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xlxd 2.0.0

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Added compatibility with protocols DMR Homebrew (MMDVM)  and DMR Plus
(dongle)
This commit is contained in:
LX3JL 2017-08-22 20:23:57 +02:00
parent 41465e236d
commit 83278d1363
65 changed files with 6366 additions and 175 deletions
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341
src/cbptc19696.cpp Normal file
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@ -0,0 +1,341 @@
/*
* Copyright (C) 2012 by Ian Wraith
* Copyright (C) 2015 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cbptc19696.h"
#include "chamming.h"
#include "cutils.h"
#include <cstdio>
#include <cassert>
#include <cstring>
CBPTC19696::CBPTC19696()
{
}
CBPTC19696::~CBPTC19696()
{
}
// The main decode function
void CBPTC19696::decode(const unsigned char* in, unsigned char* out)
{
assert(in != NULL);
assert(out != NULL);
// Get the raw binary
decodeExtractBinary(in);
// Deinterleave
decodeDeInterleave();
// Error check
decodeErrorCheck();
// Extract Data
decodeExtractData(out);
}
// The main encode function
void CBPTC19696::encode(const unsigned char* in, unsigned char* out)
{
assert(in != NULL);
assert(out != NULL);
// Extract Data
encodeExtractData(in);
// Error check
encodeErrorCheck();
// Deinterleave
encodeInterleave();
// Get the raw binary
encodeExtractBinary(out);
}
void CBPTC19696::decodeExtractBinary(const unsigned char* in)
{
// First block
CUtils::byteToBitsBE(in[0U], m_rawData + 0U);
CUtils::byteToBitsBE(in[1U], m_rawData + 8U);
CUtils::byteToBitsBE(in[2U], m_rawData + 16U);
CUtils::byteToBitsBE(in[3U], m_rawData + 24U);
CUtils::byteToBitsBE(in[4U], m_rawData + 32U);
CUtils::byteToBitsBE(in[5U], m_rawData + 40U);
CUtils::byteToBitsBE(in[6U], m_rawData + 48U);
CUtils::byteToBitsBE(in[7U], m_rawData + 56U);
CUtils::byteToBitsBE(in[8U], m_rawData + 64U);
CUtils::byteToBitsBE(in[9U], m_rawData + 72U);
CUtils::byteToBitsBE(in[10U], m_rawData + 80U);
CUtils::byteToBitsBE(in[11U], m_rawData + 88U);
CUtils::byteToBitsBE(in[12U], m_rawData + 96U);
// Handle the two bits
bool bits[8U];
CUtils::byteToBitsBE(in[20U], bits);
m_rawData[98U] = bits[6U];
m_rawData[99U] = bits[7U];
// Second block
CUtils::byteToBitsBE(in[21U], m_rawData + 100U);
CUtils::byteToBitsBE(in[22U], m_rawData + 108U);
CUtils::byteToBitsBE(in[23U], m_rawData + 116U);
CUtils::byteToBitsBE(in[24U], m_rawData + 124U);
CUtils::byteToBitsBE(in[25U], m_rawData + 132U);
CUtils::byteToBitsBE(in[26U], m_rawData + 140U);
CUtils::byteToBitsBE(in[27U], m_rawData + 148U);
CUtils::byteToBitsBE(in[28U], m_rawData + 156U);
CUtils::byteToBitsBE(in[29U], m_rawData + 164U);
CUtils::byteToBitsBE(in[30U], m_rawData + 172U);
CUtils::byteToBitsBE(in[31U], m_rawData + 180U);
CUtils::byteToBitsBE(in[32U], m_rawData + 188U);
}
// Deinterleave the raw data
void CBPTC19696::decodeDeInterleave()
{
for (unsigned int i = 0U; i < 196U; i++)
m_deInterData[i] = false;
// The first bit is R(3) which is not used so can be ignored
for (unsigned int a = 0U; a < 196U; a++) {
// Calculate the interleave sequence
unsigned int interleaveSequence = (a * 181U) % 196U;
// Shuffle the data
m_deInterData[a] = m_rawData[interleaveSequence];
}
}
// Check each row with a Hamming (15,11,3) code and each column with a Hamming (13,9,3) code
void CBPTC19696::decodeErrorCheck()
{
bool fixing;
unsigned int count = 0U;
do {
fixing = false;
// Run through each of the 15 columns
bool col[13U];
for (unsigned int c = 0U; c < 15U; c++) {
unsigned int pos = c + 1U;
for (unsigned int a = 0U; a < 13U; a++) {
col[a] = m_deInterData[pos];
pos = pos + 15U;
}
if (CHamming::decode1393(col)) {
unsigned int pos = c + 1U;
for (unsigned int a = 0U; a < 13U; a++) {
m_deInterData[pos] = col[a];
pos = pos + 15U;
}
fixing = true;
}
}
// Run through each of the 9 rows containing data
for (unsigned int r = 0U; r < 9U; r++) {
unsigned int pos = (r * 15U) + 1U;
if (CHamming::decode15113_2(m_deInterData + pos))
fixing = true;
}
count++;
} while (fixing && count < 5U);
}
// Extract the 96 bits of payload
void CBPTC19696::decodeExtractData(unsigned char* data) const
{
bool bData[96U];
unsigned int pos = 0U;
for (unsigned int a = 4U; a <= 11U; a++, pos++)
bData[pos] = m_deInterData[a];
for (unsigned int a = 16U; a <= 26U; a++, pos++)
bData[pos] = m_deInterData[a];
for (unsigned int a = 31U; a <= 41U; a++, pos++)
bData[pos] = m_deInterData[a];
for (unsigned int a = 46U; a <= 56U; a++, pos++)
bData[pos] = m_deInterData[a];
for (unsigned int a = 61U; a <= 71U; a++, pos++)
bData[pos] = m_deInterData[a];
for (unsigned int a = 76U; a <= 86U; a++, pos++)
bData[pos] = m_deInterData[a];
for (unsigned int a = 91U; a <= 101U; a++, pos++)
bData[pos] = m_deInterData[a];
for (unsigned int a = 106U; a <= 116U; a++, pos++)
bData[pos] = m_deInterData[a];
for (unsigned int a = 121U; a <= 131U; a++, pos++)
bData[pos] = m_deInterData[a];
CUtils::bitsToByteBE(bData + 0U, data[0U]);
CUtils::bitsToByteBE(bData + 8U, data[1U]);
CUtils::bitsToByteBE(bData + 16U, data[2U]);
CUtils::bitsToByteBE(bData + 24U, data[3U]);
CUtils::bitsToByteBE(bData + 32U, data[4U]);
CUtils::bitsToByteBE(bData + 40U, data[5U]);
CUtils::bitsToByteBE(bData + 48U, data[6U]);
CUtils::bitsToByteBE(bData + 56U, data[7U]);
CUtils::bitsToByteBE(bData + 64U, data[8U]);
CUtils::bitsToByteBE(bData + 72U, data[9U]);
CUtils::bitsToByteBE(bData + 80U, data[10U]);
CUtils::bitsToByteBE(bData + 88U, data[11U]);
}
// Extract the 96 bits of payload
void CBPTC19696::encodeExtractData(const unsigned char* in)
{
bool bData[96U];
CUtils::byteToBitsBE(in[0U], bData + 0U);
CUtils::byteToBitsBE(in[1U], bData + 8U);
CUtils::byteToBitsBE(in[2U], bData + 16U);
CUtils::byteToBitsBE(in[3U], bData + 24U);
CUtils::byteToBitsBE(in[4U], bData + 32U);
CUtils::byteToBitsBE(in[5U], bData + 40U);
CUtils::byteToBitsBE(in[6U], bData + 48U);
CUtils::byteToBitsBE(in[7U], bData + 56U);
CUtils::byteToBitsBE(in[8U], bData + 64U);
CUtils::byteToBitsBE(in[9U], bData + 72U);
CUtils::byteToBitsBE(in[10U], bData + 80U);
CUtils::byteToBitsBE(in[11U], bData + 88U);
for (unsigned int i = 0U; i < 196U; i++)
m_deInterData[i] = false;
unsigned int pos = 0U;
for (unsigned int a = 4U; a <= 11U; a++, pos++)
m_deInterData[a] = bData[pos];
for (unsigned int a = 16U; a <= 26U; a++, pos++)
m_deInterData[a] = bData[pos];
for (unsigned int a = 31U; a <= 41U; a++, pos++)
m_deInterData[a] = bData[pos];
for (unsigned int a = 46U; a <= 56U; a++, pos++)
m_deInterData[a] = bData[pos];
for (unsigned int a = 61U; a <= 71U; a++, pos++)
m_deInterData[a] = bData[pos];
for (unsigned int a = 76U; a <= 86U; a++, pos++)
m_deInterData[a] = bData[pos];
for (unsigned int a = 91U; a <= 101U; a++, pos++)
m_deInterData[a] = bData[pos];
for (unsigned int a = 106U; a <= 116U; a++, pos++)
m_deInterData[a] = bData[pos];
for (unsigned int a = 121U; a <= 131U; a++, pos++)
m_deInterData[a] = bData[pos];
}
// Check each row with a Hamming (15,11,3) code and each column with a Hamming (13,9,3) code
void CBPTC19696::encodeErrorCheck()
{
// Run through each of the 9 rows containing data
for (unsigned int r = 0U; r < 9U; r++) {
unsigned int pos = (r * 15U) + 1U;
CHamming::encode15113_2(m_deInterData + pos);
}
// Run through each of the 15 columns
bool col[13U];
for (unsigned int c = 0U; c < 15U; c++) {
unsigned int pos = c + 1U;
for (unsigned int a = 0U; a < 13U; a++) {
col[a] = m_deInterData[pos];
pos = pos + 15U;
}
CHamming::encode1393(col);
pos = c + 1U;
for (unsigned int a = 0U; a < 13U; a++) {
m_deInterData[pos] = col[a];
pos = pos + 15U;
}
}
}
// Interleave the raw data
void CBPTC19696::encodeInterleave()
{
for (unsigned int i = 0U; i < 196U; i++)
m_rawData[i] = false;
// The first bit is R(3) which is not used so can be ignored
for (unsigned int a = 0U; a < 196U; a++) {
// Calculate the interleave sequence
unsigned int interleaveSequence = (a * 181U) % 196U;
// Unshuffle the data
m_rawData[interleaveSequence] = m_deInterData[a];
}
}
void CBPTC19696::encodeExtractBinary(unsigned char* data)
{
// First block
CUtils::bitsToByteBE(m_rawData + 0U, data[0U]);
CUtils::bitsToByteBE(m_rawData + 8U, data[1U]);
CUtils::bitsToByteBE(m_rawData + 16U, data[2U]);
CUtils::bitsToByteBE(m_rawData + 24U, data[3U]);
CUtils::bitsToByteBE(m_rawData + 32U, data[4U]);
CUtils::bitsToByteBE(m_rawData + 40U, data[5U]);
CUtils::bitsToByteBE(m_rawData + 48U, data[6U]);
CUtils::bitsToByteBE(m_rawData + 56U, data[7U]);
CUtils::bitsToByteBE(m_rawData + 64U, data[8U]);
CUtils::bitsToByteBE(m_rawData + 72U, data[9U]);
CUtils::bitsToByteBE(m_rawData + 80U, data[10U]);
CUtils::bitsToByteBE(m_rawData + 88U, data[11U]);
// Handle the two bits
unsigned char byte;
CUtils::bitsToByteBE(m_rawData + 96U, byte);
data[12U] = (data[12U] & 0x3FU) | ((byte >> 0) & 0xC0U);
data[20U] = (data[20U] & 0xFCU) | ((byte >> 4) & 0x03U);
// Second block
CUtils::bitsToByteBE(m_rawData + 100U, data[21U]);
CUtils::bitsToByteBE(m_rawData + 108U, data[22U]);
CUtils::bitsToByteBE(m_rawData + 116U, data[23U]);
CUtils::bitsToByteBE(m_rawData + 124U, data[24U]);
CUtils::bitsToByteBE(m_rawData + 132U, data[25U]);
CUtils::bitsToByteBE(m_rawData + 140U, data[26U]);
CUtils::bitsToByteBE(m_rawData + 148U, data[27U]);
CUtils::bitsToByteBE(m_rawData + 156U, data[28U]);
CUtils::bitsToByteBE(m_rawData + 164U, data[29U]);
CUtils::bitsToByteBE(m_rawData + 172U, data[30U]);
CUtils::bitsToByteBE(m_rawData + 180U, data[31U]);
CUtils::bitsToByteBE(m_rawData + 188U, data[32U]);
}

47
src/cbptc19696.h Normal file
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@ -0,0 +1,47 @@
/*
* Copyright (C) 2015 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(BPTC19696_H)
#define BPTC19696_H
class CBPTC19696
{
public:
CBPTC19696();
~CBPTC19696();
void decode(const unsigned char* in, unsigned char* out);
void encode(const unsigned char* in, unsigned char* out);
private:
bool m_rawData[196];
bool m_deInterData[196];
void decodeExtractBinary(const unsigned char* in);
void decodeErrorCheck();
void decodeDeInterleave();
void decodeExtractData(unsigned char* data) const;
void encodeExtractData(const unsigned char* in);
void encodeInterleave();
void encodeErrorCheck();
void encodeExtractBinary(unsigned char* data);
};
#endif

70
src/cbuffer.cpp
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@ -78,12 +78,54 @@ void CBuffer::Append(uint16 ui)
::memcpy(&(data()[n]), &ui, sizeof(uint16));
}
void CBuffer::Append(uint32 ui)
{
int n = (int)size();
resize(n+sizeof(uint32));
::memcpy(&(data()[n]), &ui, sizeof(uint32));
}
void CBuffer::Append(const char *sz)
{
Append((uint8 *)sz, (int)strlen(sz));
Append((uint8)0x00);
}
void CBuffer::ReplaceAt(int i, uint8 ui)
{
if ( size() < (i+sizeof(uint8)) )
{
resize(i+sizeof(uint8));
}
*(uint8 *)(&(data()[i])) = ui;
}
void CBuffer::ReplaceAt(int i, uint16 ui)
{
if ( size() < (i+sizeof(uint16)) )
{
resize(i+sizeof(uint16));
}
*(uint16 *)(&(data()[i])) = ui;
}
void CBuffer::ReplaceAt(int i, uint32 ui)
{
if ( size() < (i+sizeof(uint32)) )
{
resize(i+sizeof(uint32));
}
*(uint32 *)(&(data()[i])) = ui;
}
void CBuffer::ReplaceAt(int i, const uint8 *ptr, int len)
{
if ( size() < (i+len) )
{
resize(i+len);
}
::memcpy(&(data()[i]), ptr, len);
}
////////////////////////////////////////////////////////////////////////////////////////
// operation
@ -129,3 +171,31 @@ bool CBuffer::operator ==(const char *sz) const
}
return false;
}
CBuffer::operator const char *() const
{
return (const char *)data();
}
////////////////////////////////////////////////////////////////////////////////////////
// debug
void CBuffer::DebugDump(std::ofstream &debugout) const
{
for ( int i = 0; i < size(); i++ )
{
char sz[16];
//sprintf(sz, "%02X", data()[i]);
sprintf(sz, "0x%02X", data()[i]);
debugout << sz;
if ( i == size()-1 )
{
debugout << std::endl;
}
else
{
debugout << ',';
}
}
}

10
src/cbuffer.h
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@ -44,16 +44,24 @@ public:
void Append(uint8, int);
void Append(uint8);
void Append(uint16);
void Append(uint32);
void Append(const char *);
void ReplaceAt(int, uint8);
void ReplaceAt(int, uint16);
void ReplaceAt(int, uint32);
void ReplaceAt(int, const uint8 *, int);
// operation
int Compare(uint8 *, int) const;
int Compare(uint8 *, int, int) const;
// operator
bool operator ==(const CBuffer &) const;
bool operator ==(const char *) const;
operator const char *() const;
// debug
void DebugDump(std::ofstream &) const;
};
////////////////////////////////////////////////////////////////////////////////////////

81
src/ccallsign.cpp
View File

@ -25,6 +25,7 @@
#include "main.h"
#include <string.h>
#include <cctype>
#include "cdmriddir.h"
#include "ccallsign.h"
////////////////////////////////////////////////////////////////////////////////////////
@ -36,19 +37,39 @@ CCallsign::CCallsign()
::memset(m_Callsign, ' ', sizeof(m_Callsign));
::memset(m_Suffix, ' ', sizeof(m_Suffix));
m_Module = ' ';
m_uiDmrid = 0;
}
CCallsign::CCallsign(const char *sz)
CCallsign::CCallsign(const char *sz, uint32 dmrid)
{
// blank all
::memset(m_Callsign, ' ', sizeof(m_Callsign));
::memset(m_Suffix, ' ', sizeof(m_Suffix));
m_Module = ' ';
// and copy
::memcpy(m_Callsign, sz, MIN(strlen(sz), sizeof(m_Callsign)-1));
if ( strlen(sz) >= sizeof(m_Callsign) )
m_uiDmrid = dmrid;
// and populate
if ( ::strlen(sz) > 0 )
{
m_Module = sz[sizeof(m_Callsign)-1];
// callsign valid
::memcpy(m_Callsign, sz, MIN(strlen(sz), sizeof(m_Callsign)-1));
if ( strlen(sz) >= sizeof(m_Callsign) )
{
m_Module = sz[sizeof(m_Callsign)-1];
}
// dmrid ok ?
if ( m_uiDmrid == 0 )
{
m_uiDmrid = g_DmridDir.FindDmrid(*this);
}
}
else if ( m_uiDmrid != 0 )
{
const CCallsign *callsign = g_DmridDir.FindCallsign(m_uiDmrid);
if ( callsign != NULL )
{
::memcpy(m_Callsign, callsign->m_Callsign, sizeof(m_Callsign));
}
}
}
@ -57,9 +78,9 @@ CCallsign::CCallsign(const CCallsign &callsign)
::memcpy(m_Callsign, callsign.m_Callsign, sizeof(m_Callsign));
::memcpy(m_Suffix, callsign.m_Suffix, sizeof(m_Suffix));
m_Module = callsign.m_Module;
m_uiDmrid = callsign.m_uiDmrid;
}
////////////////////////////////////////////////////////////////////////////////////////
// status
@ -97,6 +118,9 @@ bool CCallsign::IsValid(void) const
// is an letter or space
valid &= IsLetter(m_Module) || IsSpace(m_Module);
// dmrid is not tested, as it can be NULL
// if station does is not dmr registered
// done
return valid;
}
@ -114,8 +138,9 @@ bool CCallsign::HasSuffix(void) const
////////////////////////////////////////////////////////////////////////////////////////
// set
void CCallsign::SetCallsign(const char *sz)
void CCallsign::SetCallsign(const char *sz, bool UpdateDmrid)
{
// set callsign
::memset(m_Callsign, ' ', sizeof(m_Callsign));
m_Module = ' ';
::memcpy(m_Callsign, sz, MIN(strlen(sz), sizeof(m_Callsign)-1));
@ -123,10 +148,16 @@ void CCallsign::SetCallsign(const char *sz)
{
m_Module = sz[sizeof(m_Callsign)-1];
}
// and update dmrid
if ( UpdateDmrid )
{
m_uiDmrid = g_DmridDir.FindDmrid(*this);
}
}
void CCallsign::SetCallsign(const uint8 *buffer, int len)
void CCallsign::SetCallsign(const uint8 *buffer, int len, bool UpdateDmrid)
{
// set callsign
::memset(m_Callsign, ' ', sizeof(m_Callsign));
m_Module = ' ';
::memcpy(m_Callsign, buffer, MIN(len, sizeof(m_Callsign)-1));
@ -141,6 +172,31 @@ void CCallsign::SetCallsign(const uint8 *buffer, int len)
{
m_Module = (char)buffer[sizeof(m_Callsign)-1];
}
if ( UpdateDmrid )
{
m_uiDmrid = g_DmridDir.FindDmrid(*this);
}
}
void CCallsign::SetDmrid(uint32 dmrid, bool UpdateCallsign)
{
m_uiDmrid = dmrid;
if ( UpdateCallsign )
{
const CCallsign *callsign = g_DmridDir.FindCallsign(dmrid);
if ( callsign != NULL )
{
::memcpy(m_Callsign, callsign->m_Callsign, sizeof(m_Callsign));
}
}
}
void CCallsign::SetDmrid(const uint8 *buffer, bool UpdateCallsign)
{
char sz[9];
::memcpy(sz, buffer, 8);
sz[8] = 0;
SetDmrid((uint32)::strtol(sz, NULL, 16), UpdateCallsign);
}
void CCallsign::SetModule(char c)
@ -224,11 +280,17 @@ bool CCallsign::HasSameCallsignWithWildcard(const CCallsign &callsign) const
return same;
}
bool CCallsign::HasLowerCallsign(const CCallsign &Callsign) const
{
return (::memcmp(m_Callsign, Callsign.m_Callsign, sizeof(m_Callsign)) < 0);
}
bool CCallsign::HasSameModule(const CCallsign &Callsign) const
{
return (m_Module == Callsign.m_Module);
}
////////////////////////////////////////////////////////////////////////////////////////
// operators
@ -236,7 +298,8 @@ bool CCallsign::operator ==(const CCallsign &callsign) const
{
return ((::memcmp(callsign.m_Callsign, m_Callsign, sizeof(m_Callsign)) == 0) &&
(m_Module == callsign.m_Module) &&
(::memcmp(callsign.m_Suffix, m_Suffix, sizeof(m_Suffix)) == 0));
(::memcmp(callsign.m_Suffix, m_Suffix, sizeof(m_Suffix)) == 0) &&
(m_uiDmrid == callsign.m_uiDmrid) );
}
CCallsign::operator const char *() const

15
src/ccallsign.h
View File

@ -40,7 +40,7 @@ class CCallsign
public:
// contructors
CCallsign();
CCallsign(const char *);
CCallsign(const char *, uint32 = 0);
CCallsign(const CCallsign &);
// destructor
@ -49,11 +49,13 @@ public:
// status
bool IsValid(void) const;
bool HasSuffix(void) const;
bool HasModule(void) const { return m_Module != ' '; }
bool HasModule(void) const { return m_Module != ' '; }
// set
void SetCallsign(const char *);
void SetCallsign(const uint8 *, int);
void SetCallsign(const char *, bool = true);
void SetCallsign(const uint8 *, int, bool = true);
void SetDmrid(uint32, bool = true);
void SetDmrid(const uint8 *, bool = true);
void SetModule(char);
void SetSuffix(const char *);
void SetSuffix(const uint8 *, int);
@ -64,12 +66,14 @@ public:
// get
void GetCallsign(uint8 *) const;
void GetCallsignString(char *) const;
uint32 GetDmrid(void) const { return m_uiDmrid; }
void GetSuffix(uint8 *) const;
char GetModule(void) const { return m_Module; }
char GetModule(void) const { return m_Module; }
// compare
bool HasSameCallsign(const CCallsign &) const;
bool HasSameCallsignWithWildcard(const CCallsign &) const;
bool HasLowerCallsign(const CCallsign &) const;
bool HasSameModule(const CCallsign &) const;
// operators
@ -88,6 +92,7 @@ protected:
char m_Suffix[CALLSUFFIX_LEN];
char m_Module;
char m_sz[CALLSIGN_LEN+CALLSUFFIX_LEN+5];
uint32 m_uiDmrid;
};
////////////////////////////////////////////////////////////////////////////////////////

2
src/cclient.h
View File

@ -55,6 +55,7 @@ public:
const CIp &GetIp(void) const { return m_Ip; }
bool HasModule(void) const { return m_Callsign.HasModule(); }
char GetModule(void) const { return m_Callsign.GetModule(); }
bool HasReflectorModule(void) const { return m_ReflectorModule != ' '; }
char GetReflectorModule(void) const { return m_ReflectorModule; }
// set
@ -64,6 +65,7 @@ public:
// identity
virtual int GetProtocol(void) const { return PROTOCOL_NONE; }
virtual int GetProtocolRevision(void) const { return 0; }
virtual int GetCodec(void) const { return CODEC_NONE; }
virtual const char *GetProtocolName(void) const { return "none"; }
virtual bool IsNode(void) const { return false; }
virtual bool IsPeer(void) const { return false; }

16
src/cclients.cpp
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@ -85,8 +85,12 @@ void CClients::AddClient(CClient *client)
// and append
m_Clients.push_back(client);
std::cout << "New client " << client->GetCallsign() << " at " << client->GetIp()
<< " added with protocol " << client->GetProtocolName()
<< " on module " << client->GetReflectorModule() << std::endl;
<< " added with protocol " << client->GetProtocol();
if ( client->GetReflectorModule() != ' ' )
{
std::cout << " on module " << client->GetReflectorModule();
}
std::cout << std::endl;
// notify
g_Reflector.OnClientsChanged();
}
@ -106,8 +110,12 @@ void CClients::RemoveClient(CClient *client)
{
// remove it
std::cout << "Client " << m_Clients[i]->GetCallsign() << " at " << m_Clients[i]->GetIp()
<< " removed with protocol " << client->GetProtocolName()
<< " on module " << client->GetReflectorModule() << std::endl;
<< " removed with protocol " << client->GetProtocol();
if ( client->GetReflectorModule() != ' ' )
{
std::cout << " on module " << client->GetReflectorModule();
}
std::cout << std::endl;
delete m_Clients[i];
m_Clients.erase(m_Clients.begin()+i);
found = true;

264
src/ccodecstream.cpp Normal file
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@ -0,0 +1,264 @@
//
// ccodecstream.cpp
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 13/04/2017.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#include "main.h"
#include <string.h>
#include "ccodecstream.h"
#include "cdvframepacket.h"
#include "creflector.h"
////////////////////////////////////////////////////////////////////////////////////////
// define
////////////////////////////////////////////////////////////////////////////////////////
// constructor
CCodecStream::CCodecStream(CPacketStream *PacketStream, uint16 uiId, uint8 uiCodecIn, uint8 uiCodecOut)
{
m_bStopThread = false;
m_pThread = NULL;
m_uiStreamId = uiId;
m_uiPid = 0;
m_uiCodecIn = uiCodecIn;
m_uiCodecOut = uiCodecOut;
m_bConnected = false;
m_fPingMin = -1;
m_fPingMax = -1;
m_fPingSum = 0;
m_fPingCount = 0;
m_uiTotalPackets = 0;
m_uiTimeoutPackets = 0;
m_PacketStream = PacketStream;
}
////////////////////////////////////////////////////////////////////////////////////////
// destructor
CCodecStream::~CCodecStream()
{
// close socket
m_Socket.Close();
// kill threads
m_bStopThread = true;
if ( m_pThread != NULL )
{
m_pThread->join();
delete m_pThread;
}
// empty local queue
while ( !m_LocalQueue.empty() )
{
delete m_LocalQueue.front();
m_LocalQueue.pop();
}
// empty ourselves
while ( !empty() )
{
delete front();
pop();
}
}
////////////////////////////////////////////////////////////////////////////////////////
// initialization
bool CCodecStream::Init(uint16 uiPort)
{
bool ok;
// reset stop flag
m_bStopThread = false;
// create server's IP
m_Ip = g_Reflector.GetTrasncoderIp();
m_uiPort = uiPort;
// create our socket
ok = m_Socket.Open(uiPort);
if ( ok )
{
// start thread;
m_pThread = new std::thread(CCodecStream::Thread, this);
m_bConnected = true;
}
else
{
std::cout << "Error opening socket on port UDP" << uiPort << " on ip " << g_Reflector.GetListenIp() << std::endl;
m_bConnected = false;
}
// done
return ok;
}
void CCodecStream::Close(void)
{
// close socket
m_bConnected = false;
m_Socket.Close();
// kill threads
m_bStopThread = true;
if ( m_pThread != NULL )
{
m_pThread->join();
delete m_pThread;
m_pThread = NULL;
}
}
////////////////////////////////////////////////////////////////////////////////////////
// get
bool CCodecStream::IsEmpty(void) const
{
return (m_LocalQueue.empty() && m_PacketStream->empty());
}
////////////////////////////////////////////////////////////////////////////////////////
// thread
void CCodecStream::Thread(CCodecStream *This)
{
while ( !This->m_bStopThread )
{
This->Task();
}
}
void CCodecStream::Task(void)
{
CBuffer Buffer;
CIp Ip;
uint8 Ambe[AMBE_SIZE];
uint8 DStarSync[] = { 0x55,0x2D,0x16 };
// any packet from transcoder
if ( m_Socket.Receive(&Buffer, &Ip, 5) != -1 )
{
// crack
if ( IsValidAmbePacket(Buffer, Ambe) )
{
// tickle
m_TimeoutTimer.Now();
// update statistics
double ping = m_StatsTimer.DurationSinceNow();
if ( m_fPingMin == -1 )
{
m_fPingMin = ping;
m_fPingMax = ping;
}
else
{
m_fPingMin = MIN(m_fPingMin, ping);
m_fPingMax = MAX(m_fPingMax, ping);
}
m_fPingSum += ping;
m_fPingCount += 1;
// pop the original packet
if ( !m_LocalQueue.empty() )
{
CDvFramePacket *Packet = (CDvFramePacket *)m_LocalQueue.front();
m_LocalQueue.pop();
// todo: check the PID
// update content with transcoded ambe
Packet->SetAmbe(m_uiCodecOut, Ambe);
// tag syncs in DvData
if ( (m_uiCodecOut == CODEC_AMBEPLUS) && (Packet->GetPacketId() % 21) == 0 )
{
Packet->SetDvData(DStarSync);
}
// and push it back to client
m_PacketStream->Lock();
m_PacketStream->push(Packet);
m_PacketStream->Unlock();
}
else
{
std::cout << "Unexpected transcoded packet received from ambed" << std::endl;
}
}
}
// anything in our queue
while ( !empty() )
{
// yes, pop it from queue
CPacket *Packet = front();
pop();
// yes, send to ambed
// this assume that thread pushing the Packet
// have verified that the CodecStream is connected
// and that the packet needs transcoding
m_StatsTimer.Now();
m_uiTotalPackets++;
EncodeAmbePacket(&Buffer, ((CDvFramePacket *)Packet)->GetAmbe(m_uiCodecIn));
m_Socket.Send(Buffer, m_Ip, m_uiPort);
// and push to our local queue
m_LocalQueue.push(Packet);
}
// handle timeout
if ( !m_LocalQueue.empty() && (m_TimeoutTimer.DurationSinceNow() >= (TRANSCODER_AMBEPACKET_TIMEOUT/1000.0f)) )
{
//std::cout << "ambed packet timeout" << std::endl;
m_uiTimeoutPackets++;
}
}
////////////////////////////////////////////////////////////////////////////////////////
/// packet decoding helpers
bool CCodecStream::IsValidAmbePacket(const CBuffer &Buffer, uint8 *Ambe)
{
bool valid = false;
if ( (Buffer.size() == 11) && (Buffer.data()[0] == m_uiCodecOut) )
{
::memcpy(Ambe, &(Buffer.data()[2]), 9);
valid = true;
}
return valid;
}
////////////////////////////////////////////////////////////////////////////////////////
/// packet encoding helpers
void CCodecStream::EncodeAmbePacket(CBuffer *Buffer, const uint8 *Ambe)
{
Buffer->clear();
Buffer->Append(m_uiCodecIn);
Buffer->Append(m_uiPid);
Buffer->Append((uint8 *)Ambe, 9);
}

116
src/ccodecstream.h Normal file
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@ -0,0 +1,116 @@
//
// ccodecstream.h
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 13/04/2017.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef ccodecstream_h
#define ccodecstream_h
#include "csemaphore.h"
#include "cudpsocket.h"
#include "cpacketqueue.h"
////////////////////////////////////////////////////////////////////////////////////////
// define
// frame sizes
#define AMBE_SIZE 9
#define AMBEPLUS_SIZE 9
////////////////////////////////////////////////////////////////////////////////////////
// class
class CPacketStream;
class CCodecStream : public CPacketQueue
{
public:
// constructor
CCodecStream(CPacketStream *, uint16, uint8, uint8);
// destructor
virtual ~CCodecStream();
// initialization
bool Init(uint16);
void Close(void);
// get
bool IsConnected(void) const { return m_bConnected; }
uint16 GetStreamId(void) const { return m_uiStreamId; }
double GetPingMin(void) const { return m_fPingMin; }
double GetPingMax(void) const { return m_fPingMax; }
double GetPingAve(void) const { return (m_fPingCount != 0) ? m_fPingSum/m_fPingCount : 0; }
uint32 GetTotalPackets(void) const { return m_uiTotalPackets; }
uint32 GetTimeoutPackets(void) const { return m_uiTimeoutPackets; }
bool IsEmpty(void) const;
// task
static void Thread(CCodecStream *);
void Task(void);
protected:
// packet decoding helpers
bool IsValidAmbePacket(const CBuffer &, uint8 *);
// packet encoding helpers
void EncodeAmbePacket(CBuffer *, const uint8 *);
protected:
// data
uint16 m_uiStreamId;
uint16 m_uiPort;
uint8 m_uiPid;
uint8 m_uiCodecIn;
uint8 m_uiCodecOut;
// socket
CIp m_Ip;
CUdpSocket m_Socket;
bool m_bConnected;
// associated packet stream
CPacketStream *m_PacketStream;
CPacketQueue m_LocalQueue;
// thread
bool m_bStopThread;
std::thread *m_pThread;
CTimePoint m_TimeoutTimer;
CTimePoint m_StatsTimer;
// statistics
double m_fPingMin;
double m_fPingMax;
double m_fPingSum;
double m_fPingCount;
uint32 m_uiTotalPackets;
uint32 m_uiTimeoutPackets;
};
////////////////////////////////////////////////////////////////////////////////////////
#endif /* ccodecstream_h */

239
src/ccrc.cpp Normal file
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@ -0,0 +1,239 @@
/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "ccrc.h"
#include "cutils.h"
#include <cstdint>
#include <cstdio>
#include <cassert>
#include <cmath>
const uint8_t CRC8_TABLE[] = {
0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15, 0x38, 0x3F, 0x36, 0x31,
0x24, 0x23, 0x2A, 0x2D, 0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65,
0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D, 0xE0, 0xE7, 0xEE, 0xE9,
0xFC, 0xFB, 0xF2, 0xF5, 0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85, 0xA8, 0xAF, 0xA6, 0xA1,
0xB4, 0xB3, 0xBA, 0xBD, 0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2,
0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA, 0xB7, 0xB0, 0xB9, 0xBE,
0xAB, 0xAC, 0xA5, 0xA2, 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32, 0x1F, 0x18, 0x11, 0x16,
0x03, 0x04, 0x0D, 0x0A, 0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42,
0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A, 0x89, 0x8E, 0x87, 0x80,
0x95, 0x92, 0x9B, 0x9C, 0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC, 0xC1, 0xC6, 0xCF, 0xC8,
0xDD, 0xDA, 0xD3, 0xD4, 0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C,
0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44, 0x19, 0x1E, 0x17, 0x10,
0x05, 0x02, 0x0B, 0x0C, 0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B, 0x76, 0x71, 0x78, 0x7F,
0x6A, 0x6D, 0x64, 0x63, 0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B,
0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13, 0xAE, 0xA9, 0xA0, 0xA7,
0xB2, 0xB5, 0xBC, 0xBB, 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, 0xE6, 0xE1, 0xE8, 0xEF,
0xFA, 0xFD, 0xF4, 0xF3, 0x01 };
const uint16_t CCITT16_TABLE1[] = {
0x0000U, 0x1189U, 0x2312U, 0x329bU, 0x4624U, 0x57adU, 0x6536U, 0x74bfU,
0x8c48U, 0x9dc1U, 0xaf5aU, 0xbed3U, 0xca6cU, 0xdbe5U, 0xe97eU, 0xf8f7U,
0x1081U, 0x0108U, 0x3393U, 0x221aU, 0x56a5U, 0x472cU, 0x75b7U, 0x643eU,
0x9cc9U, 0x8d40U, 0xbfdbU, 0xae52U, 0xdaedU, 0xcb64U, 0xf9ffU, 0xe876U,
0x2102U, 0x308bU, 0x0210U, 0x1399U, 0x6726U, 0x76afU, 0x4434U, 0x55bdU,
0xad4aU, 0xbcc3U, 0x8e58U, 0x9fd1U, 0xeb6eU, 0xfae7U, 0xc87cU, 0xd9f5U,
0x3183U, 0x200aU, 0x1291U, 0x0318U, 0x77a7U, 0x662eU, 0x54b5U, 0x453cU,
0xbdcbU, 0xac42U, 0x9ed9U, 0x8f50U, 0xfbefU, 0xea66U, 0xd8fdU, 0xc974U,
0x4204U, 0x538dU, 0x6116U, 0x709fU, 0x0420U, 0x15a9U, 0x2732U, 0x36bbU,
0xce4cU, 0xdfc5U, 0xed5eU, 0xfcd7U, 0x8868U, 0x99e1U, 0xab7aU, 0xbaf3U,
0x5285U, 0x430cU, 0x7197U, 0x601eU, 0x14a1U, 0x0528U, 0x37b3U, 0x263aU,
0xdecdU, 0xcf44U, 0xfddfU, 0xec56U, 0x98e9U, 0x8960U, 0xbbfbU, 0xaa72U,
0x6306U, 0x728fU, 0x4014U, 0x519dU, 0x2522U, 0x34abU, 0x0630U, 0x17b9U,
0xef4eU, 0xfec7U, 0xcc5cU, 0xddd5U, 0xa96aU, 0xb8e3U, 0x8a78U, 0x9bf1U,
0x7387U, 0x620eU, 0x5095U, 0x411cU, 0x35a3U, 0x242aU, 0x16b1U, 0x0738U,
0xffcfU, 0xee46U, 0xdcddU, 0xcd54U, 0xb9ebU, 0xa862U, 0x9af9U, 0x8b70U,
0x8408U, 0x9581U, 0xa71aU, 0xb693U, 0xc22cU, 0xd3a5U, 0xe13eU, 0xf0b7U,
0x0840U, 0x19c9U, 0x2b52U, 0x3adbU, 0x4e64U, 0x5fedU, 0x6d76U, 0x7cffU,
0x9489U, 0x8500U, 0xb79bU, 0xa612U, 0xd2adU, 0xc324U, 0xf1bfU, 0xe036U,
0x18c1U, 0x0948U, 0x3bd3U, 0x2a5aU, 0x5ee5U, 0x4f6cU, 0x7df7U, 0x6c7eU,
0xa50aU, 0xb483U, 0x8618U, 0x9791U, 0xe32eU, 0xf2a7U, 0xc03cU, 0xd1b5U,
0x2942U, 0x38cbU, 0x0a50U, 0x1bd9U, 0x6f66U, 0x7eefU, 0x4c74U, 0x5dfdU,
0xb58bU, 0xa402U, 0x9699U, 0x8710U, 0xf3afU, 0xe226U, 0xd0bdU, 0xc134U,
0x39c3U, 0x284aU, 0x1ad1U, 0x0b58U, 0x7fe7U, 0x6e6eU, 0x5cf5U, 0x4d7cU,
0xc60cU, 0xd785U, 0xe51eU, 0xf497U, 0x8028U, 0x91a1U, 0xa33aU, 0xb2b3U,
0x4a44U, 0x5bcdU, 0x6956U, 0x78dfU, 0x0c60U, 0x1de9U, 0x2f72U, 0x3efbU,
0xd68dU, 0xc704U, 0xf59fU, 0xe416U, 0x90a9U, 0x8120U, 0xb3bbU, 0xa232U,
0x5ac5U, 0x4b4cU, 0x79d7U, 0x685eU, 0x1ce1U, 0x0d68U, 0x3ff3U, 0x2e7aU,
0xe70eU, 0xf687U, 0xc41cU, 0xd595U, 0xa12aU, 0xb0a3U, 0x8238U, 0x93b1U,
0x6b46U, 0x7acfU, 0x4854U, 0x59ddU, 0x2d62U, 0x3cebU, 0x0e70U, 0x1ff9U,
0xf78fU, 0xe606U, 0xd49dU, 0xc514U, 0xb1abU, 0xa022U, 0x92b9U, 0x8330U,
0x7bc7U, 0x6a4eU, 0x58d5U, 0x495cU, 0x3de3U, 0x2c6aU, 0x1ef1U, 0x0f78U };
const uint16_t CCITT16_TABLE2[] = {
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0 };
bool CCRC::checkFiveBit(bool* in, unsigned int tcrc)
{
assert(in != NULL);
unsigned int crc;
encodeFiveBit(in, crc);
return crc == tcrc;
}
void CCRC::encodeFiveBit(const bool* in, unsigned int& tcrc)
{
assert(in != NULL);
unsigned short total = 0U;
for (unsigned int i = 0U; i < 72U; i += 8U) {
unsigned char c;
CUtils::bitsToByteBE(in + i, c);
total += c;
}
total %= 31U;
tcrc = total;
}
void CCRC::addCCITT162(unsigned char *in, unsigned int length)
{
assert(in != NULL);
assert(length > 2U);
union {
uint16_t crc16;
uint8_t crc8[2U];
};
crc16 = 0U;
for (unsigned i = 0U; i < (length - 2U); i++)
crc16 = (uint16_t(crc8[0U]) << 8) ^ CCITT16_TABLE2[crc8[1U] ^ in[i]];
crc16 = ~crc16;
in[length - 1U] = crc8[0U];
in[length - 2U] = crc8[1U];
}
bool CCRC::checkCCITT162(const unsigned char *in, unsigned int length)
{
assert(in != NULL);
assert(length > 2U);
union {
uint16_t crc16;
uint8_t crc8[2U];
};
crc16 = 0U;
for (unsigned i = 0U; i < (length - 2U); i++)
crc16 = (uint16_t(crc8[0U]) << 8) ^ CCITT16_TABLE2[crc8[1U] ^ in[i]];
crc16 = ~crc16;
return crc8[0U] == in[length - 1U] && crc8[1U] == in[length - 2U];
}
void CCRC::addCCITT161(unsigned char *in, unsigned int length)
{
assert(in != NULL);
assert(length > 2U);
union {
uint16_t crc16;
uint8_t crc8[2U];
};
crc16 = 0xFFFFU;
for (unsigned int i = 0U; i < (length - 2U); i++)
crc16 = uint16_t(crc8[1U]) ^ CCITT16_TABLE1[crc8[0U] ^ in[i]];
crc16 = ~crc16;
in[length - 2U] = crc8[0U];
in[length - 1U] = crc8[1U];
}
bool CCRC::checkCCITT161(const unsigned char *in, unsigned int length)
{
assert(in != NULL);
assert(length > 2U);
union {
uint16_t crc16;
uint8_t crc8[2U];
};
crc16 = 0xFFFFU;
for (unsigned int i = 0U; i < (length - 2U); i++)
crc16 = uint16_t(crc8[1U]) ^ CCITT16_TABLE1[crc8[0U] ^ in[i]];
crc16 = ~crc16;
return crc8[0U] == in[length - 2U] && crc8[1U] == in[length - 1U];
}
unsigned char CCRC::crc8(const unsigned char *in, unsigned int length)
{
assert(in != NULL);
uint8_t crc = 0U;
for (unsigned int i = 0U; i < length; i++)
crc = CRC8_TABLE[crc ^ in[i]];
return crc;
}

37
src/ccrc.h Normal file
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@ -0,0 +1,37 @@
/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(CRC_H)
#define CRC_H
class CCRC
{
public:
static bool checkFiveBit(bool* in, unsigned int tcrc);
static void encodeFiveBit(const bool* in, unsigned int& tcrc);
static void addCCITT161(unsigned char* in, unsigned int length);
static void addCCITT162(unsigned char* in, unsigned int length);
static bool checkCCITT161(const unsigned char* in, unsigned int length);
static bool checkCCITT162(const unsigned char* in, unsigned int length);
static unsigned char crc8(const unsigned char* in, unsigned int length);
};
#endif

1
src/cdcsclient.h
View File

@ -48,6 +48,7 @@ public:
// identity
int GetProtocol(void) const { return PROTOCOL_DCS; }
const char *GetProtocolName(void) const { return "DCS"; }
int GetCodec(void) const { return CODEC_AMBEPLUS; }
bool IsNode(void) const { return true; }
// status

37
src/cdcsprotocol.cpp
View File

@ -29,18 +29,6 @@
#include "creflector.h"
#include "cgatekeeper.h"
////////////////////////////////////////////////////////////////////////////////////////
// constructor
CDcsProtocol::CDcsProtocol()
{
for ( int i = 0; i < m_iSeqCounters.size(); i++ )
{
m_iSeqCounters[i] = 0;
}
}
////////////////////////////////////////////////////////////////////////////////////////
// operation
@ -95,7 +83,7 @@ void CDcsProtocol::Task(void)
{
// handle it
OnDvHeaderPacketIn(Header, Ip);
if ( !Frame->IsLastPacket() )
{
//std::cout << "DCS DV frame" << std::endl;
@ -103,8 +91,8 @@ void CDcsProtocol::Task(void)
}
else
{
//std::cout << "DCS DV last frame" << std::endl;
OnDvLastFramePacketIn((CDvLastFramePacket *)Frame, &Ip);
//std::cout << "DCS DV last frame" << std::endl;
OnDvLastFramePacketIn((CDvLastFramePacket *)Frame, &Ip);
}
}
else
@ -284,8 +272,8 @@ void CDcsProtocol::HandleQueue(void)
if ( packet->IsDvHeader() )
{
// this relies on queue feeder setting valid module id
m_DvHeadersCache[iModId] = CDvHeaderPacket((const CDvHeaderPacket &)*packet);
m_iSeqCounters[iModId] = 0;
m_StreamsCache[iModId].m_dvHeader = CDvHeaderPacket((const CDvHeaderPacket &)*packet);
m_StreamsCache[iModId].m_iSeqCounter = 0;
}
else
{
@ -293,11 +281,19 @@ void CDcsProtocol::HandleQueue(void)
CBuffer buffer;
if ( packet->IsLastPacket() )
{
EncodeDvLastPacket(m_DvHeadersCache[iModId], (const CDvFramePacket &)*packet, m_iSeqCounters[iModId]++, &buffer);
EncodeDvLastPacket(
m_StreamsCache[iModId].m_dvHeader,
(const CDvFramePacket &)*packet,
m_StreamsCache[iModId].m_iSeqCounter++,
&buffer);
}
else if ( packet->IsDvFrame() )
{
EncodeDvPacket(m_DvHeadersCache[iModId], (const CDvFramePacket &)*packet, m_iSeqCounters[iModId]++, &buffer);
EncodeDvPacket(
m_StreamsCache[iModId].m_dvHeader,
(const CDvFramePacket &)*packet,
m_StreamsCache[iModId].m_iSeqCounter++,
&buffer);
}
// send it
@ -558,9 +554,6 @@ void CDcsProtocol::EncodeDvPacket(const CDvHeaderPacket &Header, const CDvFrameP
void CDcsProtocol::EncodeDvLastPacket(const CDvHeaderPacket &Header, const CDvFramePacket &DvFrame, uint32 iSeq, CBuffer *Buffer) const
{
//uint8 tag[] = { 0x4e,0x8d,0x32,0x88,0x26,0x1a,0x3f,0x61,0xe8,0x55,0x55,0x55 };
EncodeDvPacket(Header, DvFrame, iSeq, Buffer);
(Buffer->data())[45] |= 0x40;
//Buffer->Ser
}

15
src/cdcsprotocol.h
View File

@ -37,11 +37,21 @@
////////////////////////////////////////////////////////////////////////////////////////
// class
class CDcsStreamCacheItem
{
public:
CDcsStreamCacheItem() { m_iSeqCounter = 0; }
~CDcsStreamCacheItem() {}
CDvHeaderPacket m_dvHeader;
uint32 m_iSeqCounter;
};
class CDcsProtocol : public CProtocol
{
public:
// constructor
CDcsProtocol();
CDcsProtocol() {};
// destructor
virtual ~CDcsProtocol() {};
@ -83,8 +93,7 @@ protected:
CTimePoint m_LastKeepaliveTime;
// for queue header caches
std::array<CDvHeaderPacket, NB_OF_MODULES> m_DvHeadersCache;
std::array<uint32, NB_OF_MODULES> m_iSeqCounters;
std::array<CDcsStreamCacheItem, NB_OF_MODULES> m_StreamsCache;
};
////////////////////////////////////////////////////////////////////////////////////////

3
src/cdextraclient.h
View File

@ -48,7 +48,8 @@ public:
// identity
int GetProtocol(void) const { return PROTOCOL_DEXTRA; }
int GetProtocolRevision(void) const { return m_ProtRev; }
const char *GetProtocolName(void) const { return "DExtra"; }
const char *GetProtocolName(void) const { return "Dextra"; }
int GetCodec(void) const { return CODEC_AMBEPLUS; }
bool IsNode(void) const { return true; }
// status

286
src/cdmriddir.cpp Normal file
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@ -0,0 +1,286 @@
//
// cdmriddir.cpp
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 08/10/2016.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#include <string.h>
#include "main.h"
#include "creflector.h"
#include "cdmriddir.h"
CDmridDir g_DmridDir;
////////////////////////////////////////////////////////////////////////////////////////
// find
const CCallsign *CDmridDir::FindCallsign(uint32 dmrid)
{
auto found = m_CallsignMap.find(dmrid);
if ( found != m_CallsignMap.end() )
{
return &(found->second);
}
return NULL;
}
uint32 CDmridDir::FindDmrid(const CCallsign &callsign)
{
auto found = m_DmridMap.find(callsign);
if ( found != m_DmridMap.end() )
{
return (found->second);
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////
// refresh
#if (DMRIDDB_USE_RLX_SERVER == 1)
bool CDmridDir::RefreshContent(void)
{
bool ok = true;
CBuffer buffer;
// get file from xlxapi server
if ( (ok = HttpGet("xlxapi.rlx.lu", "/api/exportdmr.php", 80, &buffer)) )
{
// clear directory
m_CallsignMap.clear();
m_DmridMap.clear();
// scan file
if ( buffer.size() > 0 )
{
char *ptr1 = (char *)buffer.data();
char *ptr2;
// get next line
while ( (ptr2 = ::strchr(ptr1, '\n')) != NULL )
{
*ptr2 = 0;
// get items
char *dmrid;
char *callsign;
if ( ((dmrid = ::strtok(ptr1, ";")) != NULL) && IsValidDmrid(dmrid) )
{
if ( ((callsign = ::strtok(NULL, ";")) != NULL) )
{
// new entry
uint32 ui = atoi(dmrid);
CCallsign cs(callsign, ui);
if ( cs.IsValid() )
{
m_CallsignMap.insert(std::pair<uint32,CCallsign>(ui, cs));
m_DmridMap.insert(std::pair<CCallsign,uint32>(cs,ui));
}
}
}
// next line
ptr1 = ptr2+1;
}
// done
ok = true;
}
}
// report
std::cout << "Read " << m_DmridMap.size() << " DMR id from online database " << std::endl;
// done
return ok;
}
#else
bool CDmridDir::RefreshContent(void)
{
bool ok = true;
CBuffer buffer;
std::ifstream file;
std::streampos size;
// open file
file.open(DMRIDDB_PATH, std::ios::in | std::ios::binary | std::ios::ate);
if ( file.is_open() )
{
// clear directory
m_CallsignMap.clear();
m_DmridMap.clear();
// scan file
size = file.tellg();
if ( size > 0 )
{
// read file into buffer
buffer.resize((int)size+1);
file.seekg (0, std::ios::beg);
file.read((char *)buffer.data(), (int)size);
// close file
file.close();
// crack it
char *ptr1 = (char *)buffer.data();
char *ptr2;
// get next line
while ( (ptr2 = ::strchr(ptr1, '\n')) != NULL )
{
*ptr2 = 0;
// get items
char *dmrid;
char *callsign;
if ( ((dmrid = ::strtok(ptr1, ";")) != NULL) && IsValidDmrid(dmrid) )
{
if ( ((callsign = ::strtok(NULL, ";")) != NULL) )
{
// new entry
uint32 ui = atoi(dmrid);
CCallsign cs(callsign, ui);
if ( cs.IsValid() )
{
m_CallsignMap.insert(std::pair<uint32,CCallsign>(ui, cs));
m_DmridMap.insert(std::pair<CCallsign,uint32>(cs,ui));
}
}
}
// next line
ptr1 = ptr2+1;
}
// done
ok = true;
}
}
// report
std::cout << "Read " << m_DmridMap.size() << " DMR id from online database " << std::endl;
// done
return ok;
}
#endif
////////////////////////////////////////////////////////////////////////////////////////
// httpd helpers
#define DMRID_HTTPGET_SIZEMAX (256)
#define DMRID_TEXTFILE_SIZEMAX (10*1024*1024)
bool CDmridDir::HttpGet(const char *hostname, const char *filename, int port, CBuffer *buffer)
{
bool ok = false;
int sock_id;
// open socket
if ( (sock_id = ::socket(AF_INET, SOCK_STREAM, 0)) >= 0 )
{
// get hostname address
struct sockaddr_in servaddr;
struct hostent *hp;
::memset(&servaddr,0,sizeof(servaddr));
if( (hp = gethostbyname(hostname)) != NULL )
{
// dns resolved
::memcpy((char *)&servaddr.sin_addr.s_addr, (char *)hp->h_addr, hp->h_length);
servaddr.sin_port = htons(port);
servaddr.sin_family = AF_INET;
// connect
if ( ::connect(sock_id, (struct sockaddr *)&servaddr, sizeof(servaddr)) == 0)
{
// send the GET request
char request[DMRID_HTTPGET_SIZEMAX];
::sprintf(request, "GET /%s HTTP/1.0\nFrom: %s\nUser-Agent: xlxd\n\n",
filename, (const char *)g_Reflector.GetCallsign());
::write(sock_id, request, strlen(request));
// config receive timeouts
fd_set read_set;
struct timeval timeout;
timeout.tv_sec = 5;
timeout.tv_usec = 0;
FD_ZERO(&read_set);
FD_SET(sock_id, &read_set);
// get the reply back
buffer->clear();
bool done = false;
do
{
char buf[1440];
ssize_t len = 0;
select(sock_id+1, &read_set, NULL, NULL, &timeout);
//if ( (ret > 0) || ((ret < 0) && (errno == EINPROGRESS)) )
//if ( ret >= 0 )
//{
usleep(5000);
len = read(sock_id, buf, 1440);
if ( len > 0 )
{
buffer->Append((uint8 *)buf, (int)len);
ok = true;
}
//}
done = (len <= 0);
} while (!done);
buffer->Append((uint8)0);
// and disconnect
close(sock_id);
}
else
{
std::cout << "Cannot establish connection with host " << hostname << std::endl;
}
}
else
{
std::cout << "Host " << hostname << " not found" << std::endl;
}
}
else
{
std::cout << "Failed to open wget socket" << std::endl;
}
// done
return ok;
}
////////////////////////////////////////////////////////////////////////////////////////
// syntax helpers
bool CDmridDir::IsValidDmrid(const char *sz)
{
bool ok = false;
size_t n = ::strlen(sz);
if ( (n > 0) && (n <= 8) )
{
ok = true;
for ( size_t i = 0; (i < n) && ok; i++ )
{
ok &= ::isdigit(sz[i]);
}
}
return ok;
}

78
src/cdmriddir.h Normal file
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@ -0,0 +1,78 @@
//
// cdmriddir.h
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 08/10/2016.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef cdmriddir_h
#define cdmriddir_h
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include "cbuffer.h"
#include "ccallsign.h"
// compare function for std::map::find
struct CallsignCompare
{
bool operator() (const CCallsign &cs1, const CCallsign &cs2) const
{ return cs1.HasLowerCallsign(cs2);}
};
////////////////////////////////////////////////////////////////////////////////////////
class CDmridDir
{
public:
// constructor
CDmridDir() {}
// destructor
~CDmridDir() {}
// refresh
bool RefreshContent(void);
// find
const CCallsign *FindCallsign(uint32);
uint32 FindDmrid(const CCallsign &);
protected:
// httpd helpers
bool HttpGet(const char *, const char *, int, CBuffer *);
// syntax helpers
bool IsValidDmrid(const char *);
protected:
// directory
std::map <uint32, CCallsign> m_CallsignMap;
std::map <CCallsign, uint32, CallsignCompare> m_DmridMap;
};
////////////////////////////////////////////////////////////////////////////////////////
#endif /* cdmriddir_h */

52
src/cdmrmmdvmclient.cpp Normal file
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@ -0,0 +1,52 @@
//
// cdmrmmdvmclient.cpp
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 04/03/2017.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#include "main.h"
#include "cdmrmmdvmclient.h"
////////////////////////////////////////////////////////////////////////////////////////
// constructors
CDmrmmdvmClient::CDmrmmdvmClient()
{
}
CDmrmmdvmClient::CDmrmmdvmClient(const CCallsign &callsign, const CIp &ip, char reflectorModule)
: CClient(callsign, ip, reflectorModule)
{
}
CDmrmmdvmClient::CDmrmmdvmClient(const CDmrmmdvmClient &client)
: CClient(client)
{
}
////////////////////////////////////////////////////////////////////////////////////////
// status
bool CDmrmmdvmClient::IsAlive(void) const
{
return (m_LastKeepaliveTime.DurationSinceNow() < DMRMMDVM_KEEPALIVE_TIMEOUT);
}

60
src/cdmrmmdvmclient.h Normal file
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@ -0,0 +1,60 @@
//
// cdmrmmdvmclient.h
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 04/03/2017.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef cdmrmmdvmclient_h
#define cdmrmmdvmclient_h
#include "cclient.h"
////////////////////////////////////////////////////////////////////////////////////////
// define
////////////////////////////////////////////////////////////////////////////////////////
// class
class CDmrmmdvmClient : public CClient
{
public:
// constructors
CDmrmmdvmClient();
CDmrmmdvmClient(const CCallsign &, const CIp &, char = ' ');
CDmrmmdvmClient(const CDmrmmdvmClient &);
// destructor
virtual ~CDmrmmdvmClient() {};
// identity
int GetProtocol(void) const { return PROTOCOL_DMRMMDVM; }
const char *GetProtocolName(void) const { return "DMRMmdvm"; }
int GetCodec(void) const { return CODEC_AMBE2PLUS; }
bool IsNode(void) const { return true; }
// status
bool IsAlive(void) const;
};
////////////////////////////////////////////////////////////////////////////////////////
#endif /* cdmrmmdvmclient_h */

1193
src/cdmrmmdvmprotocol.cpp Normal file
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138
src/cdmrmmdvmprotocol.h Normal file
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@ -0,0 +1,138 @@
//
// cdmrmmdvmprotocol.h
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 04/03/2017.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef cdmrmmdvmprotocol_h
#define cdmrmmdvmprotocol_h
#include "ctimepoint.h"
#include "cprotocol.h"
#include "cdvheaderpacket.h"
#include "cdvframepacket.h"
#include "cdvlastframepacket.h"
////////////////////////////////////////////////////////////////////////////////////////
// define
// frame type
#define DMRMMDVM_FRAMETYPE_VOICE 0
#define DMRMMDVM_FRAMETYPE_VOICESYNC 1
#define DMRMMDVM_FRAMETYPE_DATASYNC 2
// slot type
#define MMDVM_SLOTTYPE_HEADER 1
#define MMDVM_SLOTTYPE_TERMINATOR 2
////////////////////////////////////////////////////////////////////////////////////////
// class
class CDmrmmdvmStreamCacheItem
{
public:
CDmrmmdvmStreamCacheItem() {}
~CDmrmmdvmStreamCacheItem() {}
CDvHeaderPacket m_dvHeader;
CDvFramePacket m_dvFrame0;
CDvFramePacket m_dvFrame1;
uint8 m_uiSeqId;
};
class CDmrmmdvmProtocol : public CProtocol
{
public:
// constructor
CDmrmmdvmProtocol() {};
// destructor
virtual ~CDmrmmdvmProtocol() {};
// initialization
bool Init(void);
// task
void Task(void);
protected:
// queue helper
void HandleQueue(void);
// keepalive helpers
void HandleKeepalives(void);
// stream helpers
bool OnDvHeaderPacketIn(CDvHeaderPacket *, const CIp &, uint8, uint8);
// packet decoding helpers
bool IsValidConnectPacket(const CBuffer &, CCallsign *);
bool IsValidAuthenticationPacket(const CBuffer &, CCallsign *);
bool IsValidDisconnectPacket(const CBuffer &, CCallsign *);
bool IsValidConfigPacket(const CBuffer &, CCallsign *);
bool IsValidOptionPacket(const CBuffer &, CCallsign *);
bool IsValidKeepAlivePacket(const CBuffer &, CCallsign *);
bool IsValidRssiPacket(const CBuffer &, CCallsign *, int *);
bool IsValidDvHeaderPacket(const CBuffer &, CDvHeaderPacket **, uint8 *, uint8 *);
bool IsValidDvFramePacket(const CBuffer &, CDvFramePacket **);
bool IsValidDvLastFramePacket(const CBuffer &, CDvLastFramePacket **);
// packet encoding helpers
void EncodeKeepAlivePacket(CBuffer *, CClient *);
void EncodeAckPacket(CBuffer *, const CCallsign &);
void EncodeConnectAckPacket(CBuffer *, const CCallsign &, uint32);
void EncodeNackPacket(CBuffer *, const CCallsign &);
void EncodeClosePacket(CBuffer *, CClient *);
bool EncodeDvHeaderPacket(const CDvHeaderPacket &, uint8, CBuffer *) const;
void EncodeDvPacket(const CDvHeaderPacket &, const CDvFramePacket &, const CDvFramePacket &, const CDvFramePacket &, uint8, CBuffer *) const;
void EncodeDvLastPacket(const CDvHeaderPacket &, uint8, CBuffer *) const;
// dmr DstId to Module helper
char DmrDstIdToModule(uint32) const;
uint32 ModuleToDmrDestId(char) const;
// Buffer & LC helpers
void AppendVoiceLCToBuffer(CBuffer *, uint32) const;
void AppendTerminatorLCToBuffer(CBuffer *, uint32) const;
void ReplaceEMBInBuffer(CBuffer *, uint8) const;
void AppendDmrIdToBuffer(CBuffer *, uint32) const;
void AppendDmrRptrIdToBuffer(CBuffer *, uint32) const;
protected:
// for keep alive
CTimePoint m_LastKeepaliveTime;
// for stream id
uint16 m_uiStreamId;
// for queue header caches
std::array<CDmrmmdvmStreamCacheItem, NB_OF_MODULES> m_StreamsCache;
// for authentication
uint32 m_uiAuthSeed;
};
////////////////////////////////////////////////////////////////////////////////////////
#endif /* cdmrmmdvmprotocol_h */

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//
// cdmrplusclient.cpp
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL on 10/01/2016.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#include "main.h"
#include "cdmrplusclient.h"
////////////////////////////////////////////////////////////////////////////////////////
// constructors
CDmrplusClient::CDmrplusClient()
{
}
CDmrplusClient::CDmrplusClient(const CCallsign &callsign, const CIp &ip, char reflectorModule)
: CClient(callsign, ip, reflectorModule)
{
}
CDmrplusClient::CDmrplusClient(const CDmrplusClient &client)
: CClient(client)
{
}
////////////////////////////////////////////////////////////////////////////////////////
// status
bool CDmrplusClient::IsAlive(void) const
{
return (m_LastKeepaliveTime.DurationSinceNow() < DMRPLUS_KEEPALIVE_TIMEOUT);
}

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//
// cdmrplusclient.h
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 10/01/2016.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef cdmrplusclient_h
#define cdmrplusclient_h
#include "cclient.h"
////////////////////////////////////////////////////////////////////////////////////////
// define
////////////////////////////////////////////////////////////////////////////////////////
// class
class CDmrplusClient : public CClient
{
public:
// constructors
CDmrplusClient();
CDmrplusClient(const CCallsign &, const CIp &, char = ' ');
CDmrplusClient(const CDmrplusClient &);
// destructor
virtual ~CDmrplusClient() {};
// identity
int GetProtocol(void) const { return PROTOCOL_DMRPLUS; }
const char *GetProtocolName(void) const { return "DMRplus"; }
int GetCodec(void) const { return CODEC_AMBE2PLUS; }
bool IsNode(void) const { return true; }
// status
bool IsAlive(void) const;
};
////////////////////////////////////////////////////////////////////////////////////////
#endif /* cdmrplusclient_h */

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//
// cdmrplusprotocol.cpp
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 10/01/2016.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#include "main.h"
#include <string.h>
#include "cdmrplusclient.h"
#include "cdmrplusprotocol.h"
#include "creflector.h"
#include "cgatekeeper.h"
#include "cdmriddir.h"
#include "cbptc19696.h"
#include "crs129.h"
#include "cgolay2087.h"
#include "cqr1676.h"
////////////////////////////////////////////////////////////////////////////////////////
// constants
static uint8 g_DmrSyncBSVoice[] = { 0x07,0x55,0xFD,0x7D,0xF7,0x5F,0x70 };
static uint8 g_DmrSyncBSData[] = { 0x0D,0xFF,0x57,0xD7,0x5D,0xF5,0xD0 };
static uint8 g_DmrSyncMSVoice[] = { 0x07,0xF7,0xD5,0xDD,0x57,0xDF,0xD0 };
static uint8 g_DmrSyncMSData[] = { 0x0D,0x5D,0x7F,0x77,0xFD,0x75,0x70 };
////////////////////////////////////////////////////////////////////////////////////////
// operation
bool CDmrplusProtocol::Init(void)
{
bool ok;
// base class
ok = CProtocol::Init();
// update the reflector callsign
//m_ReflectorCallsign.PatchCallsign(0, (const uint8 *)"DMR", 3);
// create our socket
ok &= m_Socket.Open(DMRPLUS_PORT);
// update time
m_LastKeepaliveTime.Now();
// random number generator
time_t t;
::srand((unsigned) time(&t));
// done
return ok;
}
////////////////////////////////////////////////////////////////////////////////////////
// task
void CDmrplusProtocol::Task(void)
{
CBuffer Buffer;
CIp Ip;
CCallsign Callsign;
char ToLinkModule;
CDvHeaderPacket *Header;
CDvFramePacket *Frames[3];
// handle incoming packets
if ( m_Socket.Receive(&Buffer, &Ip, 20) != -1 )
{
// crack the packet
if ( IsValidDvFramePacket(Ip, Buffer, Frames) )
{
//std::cout << "DMRplus DV frame" << std::endl;
//Buffer.DebugDump(g_Reflector.m_DebugFile);
for ( int i = 0; i < 3; i++ )
{
OnDvFramePacketIn(Frames[i], &Ip);
/*if ( !Frames[i]->IsLastPacket() )
{
//std::cout << "DMRplus DV frame" << std::endl;
OnDvFramePacketIn(Frames[i], &Ip);
}
else
{
//std::cout << "DMRplus DV last frame" << std::endl;
OnDvLastFramePacketIn((CDvLastFramePacket *)Frames[i], &Ip);
}*/
}
}
else if ( IsValidDvHeaderPacket(Ip, Buffer, &Header) )
{
//std::cout << "DMRplus DV header:" << std::endl;
//std::cout << "DMRplus DV header:" << std::endl << *Header << std::endl;
//Buffer.DebugDump(g_Reflector.m_DebugFile);
// callsign muted?
if ( g_GateKeeper.MayTransmit(Header->GetMyCallsign(), Ip, PROTOCOL_DMRPLUS) )
{
// handle it
OnDvHeaderPacketIn(Header, Ip);
}
else
{
delete Header;
}
}
else if ( IsValidConnectPacket(Buffer, &Callsign, &ToLinkModule) )
{
//std::cout << "DMRplus keepalive/connect packet for module " << ToLinkModule << " from " << Callsign << " at " << Ip << std::endl;
// callsign authorized?
if ( g_GateKeeper.MayLink(Callsign, Ip, PROTOCOL_DMRPLUS) )
{
// acknowledge the request
EncodeConnectAckPacket(&Buffer);
m_Socket.Send(Buffer, Ip);
// add client if needed
CClients *clients = g_Reflector.GetClients();
CClient *client = clients->FindClient(Callsign, Ip, PROTOCOL_DMRPLUS);
// client already connected ?
if ( client == NULL )
{
std::cout << "DMRplus connect packet for module " << ToLinkModule << " from " << Callsign << " at " << Ip << std::endl;
// create the client
CDmrplusClient *newclient = new CDmrplusClient(Callsign, Ip, ToLinkModule);
// and append
clients->AddClient(newclient);
}
else
{
client->Alive();
}
// and done
g_Reflector.ReleaseClients();
}
else
{
// deny the request
EncodeConnectNackPacket(&Buffer);
m_Socket.Send(Buffer, Ip);
}
}
else if ( IsValidDisconnectPacket(Buffer, &Callsign, &ToLinkModule) )
{
std::cout << "DMRplus disconnect packet for module " << ToLinkModule << " from " << Callsign << " at " << Ip << std::endl;
// find client & remove it
CClients *clients = g_Reflector.GetClients();
CClient *client = clients->FindClient(Ip, PROTOCOL_DMRPLUS);
if ( client != NULL )
{
clients->RemoveClient(client);
}
g_Reflector.ReleaseClients();
}
else
{
//std::cout << "DMRPlus packet (" << Buffer.size() << ")" << " at " << Ip << std::endl;
}
}
// handle end of streaming timeout
CheckStreamsTimeout();
// handle queue from reflector
HandleQueue();
// keep client alive
if ( m_LastKeepaliveTime.DurationSinceNow() > DMRPLUS_KEEPALIVE_PERIOD )
{
//
HandleKeepalives();
// update time
m_LastKeepaliveTime.Now();
}
}
////////////////////////////////////////////////////////////////////////////////////////
// streams helpers
bool CDmrplusProtocol::OnDvHeaderPacketIn(CDvHeaderPacket *Header, const CIp &Ip)
{
bool newstream = false;
// find the stream
CPacketStream *stream = GetStream(Header->GetStreamId());
if ( stream == NULL )
{
// no stream open yet, open a new one
// find this client
CClient *client = g_Reflector.GetClients()->FindClient(Ip, PROTOCOL_DMRPLUS);
if ( client != NULL )
{
// and try to open the stream
if ( (stream = g_Reflector.OpenStream(Header, client)) != NULL )
{
// keep the handle
m_Streams.push_back(stream);
newstream = true;
}
}
// release
g_Reflector.ReleaseClients();
}
else
{
// stream already open
// skip packet, but tickle the stream
stream->Tickle();
// and delete packet
delete Header;
}
// update last heard
g_Reflector.GetUsers()->Hearing(Header->GetMyCallsign(), Header->GetRpt1Callsign(), Header->GetRpt2Callsign());
g_Reflector.ReleaseUsers();
// delete header if needed
if ( !newstream )
{
delete Header;
}
// done
return newstream;
}
////////////////////////////////////////////////////////////////////////////////////////
// queue helper
void CDmrplusProtocol::HandleQueue(void)
{
m_Queue.Lock();
while ( !m_Queue.empty() )
{
// get the packet
CPacket *packet = m_Queue.front();
m_Queue.pop();
// get our sender's id
int iModId = g_Reflector.GetModuleIndex(packet->GetModuleId());
// encode
CBuffer buffer;
// check if it's header
if ( packet->IsDvHeader() )
{
// update local stream cache
// this relies on queue feeder setting valid module id
m_StreamsCache[iModId].m_dvHeader = CDvHeaderPacket((const CDvHeaderPacket &)*packet);
m_StreamsCache[iModId].m_uiSeqId = 4;
// encode it
EncodeDvHeaderPacket((const CDvHeaderPacket &)*packet, &buffer);
}
else
{
// update local stream cache or send triplet when needed
switch ( packet->GetDmrPacketSubid() )
{
case 1:
m_StreamsCache[iModId].m_dvFrame0 = CDvFramePacket((const CDvFramePacket &)*packet);
break;
case 2:
m_StreamsCache[iModId].m_dvFrame1 = CDvFramePacket((const CDvFramePacket &)*packet);
break;
case 3:
EncodeDvPacket(
m_StreamsCache[iModId].m_dvHeader,
m_StreamsCache[iModId].m_dvFrame0,
m_StreamsCache[iModId].m_dvFrame1,
(const CDvFramePacket &)*packet,
m_StreamsCache[iModId].m_uiSeqId,
&buffer);
m_StreamsCache[iModId].m_uiSeqId = GetNextSeqId(m_StreamsCache[iModId].m_uiSeqId);
break;
default:
break;
}
}
// send it
if ( buffer.size() > 0 )
{
// and push it to all our clients linked to the module and who are not streaming in
CClients *clients = g_Reflector.GetClients();
int index = -1;
CClient *client = NULL;
while ( (client = clients->FindNextClient(PROTOCOL_DMRPLUS, &index)) != NULL )
{
// is this client busy ?
if ( !client->IsAMaster() && (client->GetReflectorModule() == packet->GetModuleId()) )
{
// no, send the packet
m_Socket.Send(buffer, client->GetIp());
}
}
g_Reflector.ReleaseClients();
// debug
//buffer.DebugDump(g_Reflector.m_DebugFile);
}
// done
delete packet;
}
m_Queue.Unlock();
}
void CDmrplusProtocol::SendBufferToClients(const CBuffer &buffer, uint8 module)
{
if ( buffer.size() > 0 )
{
// and push it to all our clients linked to the module and who are not streaming in
CClients *clients = g_Reflector.GetClients();
int index = -1;
CClient *client = NULL;
while ( (client = clients->FindNextClient(PROTOCOL_DMRPLUS, &index)) != NULL )
{
// is this client busy ?
if ( !client->IsAMaster() && (client->GetReflectorModule() == module) )
{
// no, send the packet
m_Socket.Send(buffer, client->GetIp());
}
}
g_Reflector.ReleaseClients();
// debug
//buffer.DebugDump(g_Reflector.m_DebugFile);
}
}
////////////////////////////////////////////////////////////////////////////////////////
// keepalive helpers
void CDmrplusProtocol::HandleKeepalives(void)
{
// DMRplus protocol keepalive request is client tasks
// here, just check that all clients are still alive
// and disconnect them if not
// iterate on clients
CClients *clients = g_Reflector.GetClients();
int index = -1;
CClient *client = NULL;
while ( (client = clients->FindNextClient(PROTOCOL_DMRPLUS, &index)) != NULL )
{
// is this client busy ?
if ( client->IsAMaster() )
{
// yes, just tickle it
client->Alive();
}
// check it's still with us
else if ( !client->IsAlive() )
{
// no, disconnect
//CBuffer disconnect;
//EncodeDisconnectPacket(&disconnect, client);
//m_Socket.Send(disconnect, client->GetIp());
// remove it
std::cout << "DMRplus client " << client->GetCallsign() << " keepalive timeout" << std::endl;
clients->RemoveClient(client);
}
}
g_Reflector.ReleaseClients();
}
////////////////////////////////////////////////////////////////////////////////////////
// packet decoding helpers
bool CDmrplusProtocol::IsValidConnectPacket(const CBuffer &Buffer, CCallsign *callsign, char *reflectormodule)
{
bool valid = false;
if ( Buffer.size() == 31 )
{
char sz[9];
::memcpy(sz, Buffer.data(), 8);
sz[8] = 0;
uint32 dmrid = atoi(sz);
callsign->SetDmrid(dmrid, true);
callsign->SetModule('B');
::memcpy(sz, &Buffer.data()[8], 4);
sz[4] = 0;
*reflectormodule = DmrDstIdToModule(atoi(sz));
valid = (callsign->IsValid() && (std::isupper(*reflectormodule) || (*reflectormodule == ' ')) );
if ( !valid)
{
std::cout << "DMRplus connect packet from unrecognized id " << (int)callsign->GetDmrid() << std::endl;
}
}
return valid;
}
bool CDmrplusProtocol::IsValidDisconnectPacket(const CBuffer &Buffer, CCallsign *callsign, char *reflectormodule)
{
bool valid = false;
if ( Buffer.size() == 32 )
{
char sz[9];
::memcpy(sz, Buffer.data(), 8);
sz[8] = 0;
uint32 dmrid = atoi(sz);
callsign->SetDmrid(dmrid, true);
callsign->SetModule('B');
*reflectormodule = Buffer.data()[11] - '0' + 'A';
valid = (callsign->IsValid() && std::isupper(*reflectormodule));
}
return valid;
}
bool CDmrplusProtocol::IsValidDvHeaderPacket(const CIp &Ip, const CBuffer &Buffer, CDvHeaderPacket **Header)
{
bool valid = false;
*Header = NULL;
uint8 uiPacketType = Buffer.data()[8];
if ( (Buffer.size() == 72) && ( uiPacketType == 2 ) )
{
// frame details
uint8 uiSlot = (Buffer.data()[16] == 0x22) ? DMR_SLOT2 : DMR_SLOT1;
uint8 uiCallType = (Buffer.data()[62] == 1) ? DMR_GROUP_CALL : DMR_PRIVATE_CALL;
uint8 uiColourCode = Buffer.data()[20] & 0x0F;
if ( (uiSlot == DMRPLUS_REFLECTOR_SLOT) && (uiCallType == DMR_GROUP_CALL) && (uiColourCode == DMRPLUS_REFLECTOR_COLOUR) )
{
// more frames details
//uint8 uiSeqId = Buffer.data()[4];
//uint8 uiVoiceSeq = (Buffer.data()[18] & 0x0F) - 7; // aka slot type
uint32 uiDstId = *(uint32 *)(&Buffer.data()[64]) & 0x00FFFFFF;
uint32 uiSrcId = *(uint32 *)(&Buffer.data()[68]) & 0x00FFFFFF;
// build DVHeader
CCallsign csMY = CCallsign("", uiSrcId);
CCallsign rpt1 = CCallsign("", uiSrcId);
rpt1.SetModule('B');
CCallsign rpt2 = m_ReflectorCallsign;
rpt2.SetModule(DmrDstIdToModule(uiDstId));
uint32 uiStreamId = IpToStreamId(Ip);
// and packet
*Header = new CDvHeaderPacket(uiSrcId, CCallsign("CQCQCQ"), rpt1, rpt2, uiStreamId, 0, 0);
valid = (*Header)->IsValid();
if ( !valid )
{
delete *Header;
*Header = NULL;
}
}
}
// done
return valid;
}
bool CDmrplusProtocol::IsValidDvFramePacket(const CIp &Ip, const CBuffer &Buffer, CDvFramePacket **frames)
{
bool valid = false;
frames[0] = NULL;
frames[1] = NULL;
frames[2] = NULL;
uint8 uiPacketType = Buffer.data()[8];
if ( (Buffer.size() == 72) && ((uiPacketType == 1) || (uiPacketType == 3)) )
{
// frame details
uint8 uiSlot = (Buffer.data()[16] == 0x22) ? DMR_SLOT2 : DMR_SLOT1;
uint8 uiCallType = (Buffer.data()[62] == 1) ? DMR_GROUP_CALL : DMR_PRIVATE_CALL;
uint8 uiColourCode = Buffer.data()[20] & 0x0F;
if ( (uiSlot == DMRPLUS_REFLECTOR_SLOT) && (uiCallType == DMR_GROUP_CALL) && (uiColourCode == DMRPLUS_REFLECTOR_COLOUR) )
{
// more frames details
//uint8 uiSeqId = Buffer.data()[4];
uint8 uiVoiceSeq = (Buffer.data()[18] & 0x0F) - 7; // aka slot type
//uint32 uiDstId = *(uint32 *)(&Buffer.data()[64]) & 0x00FFFFFF;
//uint32 uiSrcId = *(uint32 *)(&Buffer.data()[68]) & 0x00FFFFFF;
// crack payload
uint8 dmrframe[33];
uint8 dmr3ambe[27];
uint8 dmrambe[9];
uint8 dmrsync[7];
// get the 33 bytes ambe
memcpy(dmrframe, &(Buffer.data()[26]), 33);
// handle endianess
SwapEndianess(dmrframe, sizeof(dmrframe));
// extract the 3 ambe frames
memcpy(dmr3ambe, dmrframe, 14);
dmr3ambe[13] &= 0xF0;
dmr3ambe[13] |= (dmrframe[19] & 0x0F);
memcpy(&dmr3ambe[14], &dmrframe[20], 14);
// extract sync
dmrsync[0] = dmrframe[13] & 0x0F;
::memcpy(&dmrsync[1], &dmrframe[14], 5);
dmrsync[6] = dmrframe[19] & 0xF0;
// and create 3 dv frames
uint32 uiStreamId = IpToStreamId(Ip);
// frame1
memcpy(dmrambe, &dmr3ambe[0], 9);
frames[0] = new CDvFramePacket(dmrambe, dmrsync, uiStreamId, uiVoiceSeq, 1);
// frame2
memcpy(dmrambe, &dmr3ambe[9], 9);
frames[1] = new CDvFramePacket(dmrambe, dmrsync, uiStreamId, uiVoiceSeq, 2);
// frame3
memcpy(dmrambe, &dmr3ambe[18], 9);
if ( uiPacketType == 3 )
{
frames[2] = new CDvLastFramePacket(dmrambe, dmrsync, uiStreamId, uiVoiceSeq, 3);
}
else
{
frames[2] = new CDvFramePacket(dmrambe, dmrsync, uiStreamId, uiVoiceSeq, 3);
}
// check
valid = true;
}
}
// done
return valid;
}
////////////////////////////////////////////////////////////////////////////////////////
// packet encoding helpers
void CDmrplusProtocol::EncodeConnectAckPacket(CBuffer *Buffer)
{
uint8 tag[] = { 'A','C','K',' ','O','K',0x0A,0x00 };
Buffer->Set(tag, sizeof(tag));
}
void CDmrplusProtocol::EncodeConnectNackPacket(CBuffer *Buffer)
{
uint8 tag[] = { 'N','A','K',' ','O','K',0x0A,0x00 };
Buffer->Set(tag, sizeof(tag));
}
bool CDmrplusProtocol::EncodeDvHeaderPacket(const CDvHeaderPacket &Packet, CBuffer *Buffer) const
{
uint8 tag[] = { 0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x02,
0x00,0x05,0x01,0x02,0x00,0x00,0x00 } ;
Buffer->Set(tag, sizeof(tag));
// uiSeqId
//Buffer->ReplaceAt(4, 2);
// uiPktType
//Buffer->ReplaceAt(8, 2);
// uiSlot
Buffer->Append((uint16)((DMRPLUS_REFLECTOR_SLOT == DMR_SLOT1) ? 0x1111 : 0x2222));
// uiSlotType
Buffer->Append((uint16)0xEEEE);
// uiColourCode
uint8 uiColourCode = DMRPLUS_REFLECTOR_COLOUR | (DMRPLUS_REFLECTOR_COLOUR << 4);
Buffer->Append((uint8)uiColourCode);
Buffer->Append((uint8)uiColourCode);
// uiFrameType
Buffer->Append((uint16)0x1111);
// reserved
Buffer->Append((uint16)0x0000);
// payload
uint32 uiSrcId = Packet.GetMyCallsign().GetDmrid() & 0x00FFFFFF;
uint32 uiDstId = ModuleToDmrDestId(Packet.GetRpt2Module()) & 0x00FFFFFF;
Buffer->Append((uint8)0x00, 34);
Buffer->ReplaceAt(36, HIBYTE(HIWORD(uiSrcId)));
Buffer->ReplaceAt(38, LOBYTE(HIWORD(uiSrcId)));
Buffer->ReplaceAt(40, HIBYTE(LOWORD(uiSrcId)));
Buffer->ReplaceAt(42, LOBYTE(LOWORD(uiSrcId)));
// reserved
Buffer->Append((uint16)0x0000);
// uiCallType
Buffer->Append((uint8)0x01);
// reserved
Buffer->Append((uint8)0x00);
// uiDstId
Buffer->Append(uiDstId);
// uiSrcId
Buffer->Append(uiSrcId);
// done
return true;
}
void CDmrplusProtocol::EncodeDvPacket
(const CDvHeaderPacket &Header,
const CDvFramePacket &DvFrame0, const CDvFramePacket &DvFrame1, const CDvFramePacket &DvFrame2,
uint8 seqid, CBuffer *Buffer) const
{
uint8 tag[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,
0x00,0x05,0x01,0x02,0x00,0x00,0x00 } ;
Buffer->Set(tag, sizeof(tag));
// uiSeqId
Buffer->ReplaceAt(4, seqid);
// uiPktType
//Buffer->ReplaceAt(8, 1);
// uiSlot
Buffer->Append((uint16)((DMRPLUS_REFLECTOR_SLOT == DMR_SLOT1) ? 0x1111 : 0x2222));
// uiVoiceSeq
uint8 uiVoiceSeq = (DvFrame0.GetDmrPacketId() + 7) | ((DvFrame0.GetDmrPacketId() + 7) << 4);
Buffer->Append((uint8)uiVoiceSeq);
Buffer->Append((uint8)uiVoiceSeq);
// uiColourCode
uint8 uiColourCode = DMRPLUS_REFLECTOR_COLOUR | (DMRPLUS_REFLECTOR_COLOUR << 4);
Buffer->Append((uint8)uiColourCode);
Buffer->Append((uint8)uiColourCode);
// uiFrameType
Buffer->Append((uint16)0x1111);
// reserved
Buffer->Append((uint16)0x0000);
// payload
uint32 uiSrcId = Header.GetMyCallsign().GetDmrid() & 0x00FFFFFF;
uint32 uiDstId = ModuleToDmrDestId(Header.GetRpt2Module()) & 0x00FFFFFF;
// frame0
Buffer->ReplaceAt(26, DvFrame0.GetAmbePlus(), 9);
// 1/2 frame1
Buffer->ReplaceAt(35, DvFrame1.GetAmbePlus(), 5);
Buffer->ReplaceAt(39, (uint8)(Buffer->at(39) & 0xF0));
// 1/2 frame1
Buffer->ReplaceAt(45, DvFrame1.GetAmbePlus()+4, 5);
Buffer->ReplaceAt(45, (uint8)(Buffer->at(45) & 0x0F));
// frame2
Buffer->ReplaceAt(50, DvFrame2.GetAmbePlus(), 9);
// sync or embedded signaling
ReplaceEMBInBuffer(Buffer, DvFrame0.GetDmrPacketId());
// reserved
Buffer->Append((uint16)0x0000);
Buffer->Append((uint8)0x00);
// uiCallType
Buffer->Append((uint8)0x01);
// reserved
Buffer->Append((uint8)0x00);
// uiDstId
Buffer->Append(uiDstId);
// uiSrcId
Buffer->Append(uiSrcId);
// handle indianess
SwapEndianess(&(Buffer->data()[26]), 34);
}
void CDmrplusProtocol::EncodeDvLastPacket
(const CDvHeaderPacket &Header,
const CDvFramePacket &DvFrame0, const CDvFramePacket &DvFrame1, const CDvFramePacket &DvFrame2,
uint8 seqid, CBuffer *Buffer) const
{
EncodeDvPacket(Header, DvFrame0, DvFrame1, DvFrame2, seqid, Buffer);
Buffer->ReplaceAt(8, (uint8)3);
Buffer->ReplaceAt(18, (uint16)0x2222);
}
void CDmrplusProtocol::SwapEndianess(uint8 *buffer, int len) const
{
for ( int i = 0; i < len; i += 2 )
{
uint8 t = buffer[i];
buffer[i] = buffer[i+1];
buffer[i+1] = t;
}
}
////////////////////////////////////////////////////////////////////////////////////////
// SeqId helper
uint8 CDmrplusProtocol::GetNextSeqId(uint8 uiSeqId) const
{
return (uiSeqId + 1) & 0xFF;
}
////////////////////////////////////////////////////////////////////////////////////////
// DestId to Module helper
char CDmrplusProtocol::DmrDstIdToModule(uint32 tg) const
{
// is it a 4xxx ?
if ( (tg >= 4001) && (tg <= (4000 + NB_OF_MODULES)) )
{
return ((char)(tg - 4001) + 'A');
}
return ' ';
}
uint32 CDmrplusProtocol::ModuleToDmrDestId(char m) const
{
return (uint32)(m - 'A')+4001;
}
////////////////////////////////////////////////////////////////////////////////////////
// Buffer & LC helpers
void CDmrplusProtocol::AppendVoiceLCToBuffer(CBuffer *buffer, uint32 uiSrcId) const
{
uint8 payload[34];
// fill payload
CBPTC19696 bptc;
::memset(payload, 0, sizeof(payload));
// LC data
uint8 lc[12];
{
::memset(lc, 0, sizeof(lc));
// uiDstId = TG9
lc[5] = 9;
// uiSrcId
lc[6] = (uint8)LOBYTE(HIWORD(uiSrcId));
lc[7] = (uint8)HIBYTE(LOWORD(uiSrcId));
lc[8] = (uint8)LOBYTE(LOWORD(uiSrcId));
// parity
uint8 parity[4];
CRS129::encode(lc, 9, parity);
lc[9] = parity[2] ^ DMR_VOICE_LC_HEADER_CRC_MASK;
lc[10] = parity[1] ^ DMR_VOICE_LC_HEADER_CRC_MASK;
lc[11] = parity[0] ^ DMR_VOICE_LC_HEADER_CRC_MASK;
}
// sync
::memcpy(payload+13, g_DmrSyncBSData, sizeof(g_DmrSyncBSData));
// slot type
{
// slot type
uint8 slottype[3];
::memset(slottype, 0, sizeof(slottype));
slottype[0] = (DMRPLUS_REFLECTOR_COLOUR << 4) & 0xF0;
slottype[0] |= (DMR_DT_VOICE_LC_HEADER << 0) & 0x0FU;
CGolay2087::encode(slottype);
payload[12U] = (payload[12U] & 0xC0U) | ((slottype[0U] >> 2) & 0x3FU);
payload[13U] = (payload[13U] & 0x0FU) | ((slottype[0U] << 6) & 0xC0U) | ((slottype[1U] >> 2) & 0x30U);
payload[19U] = (payload[19U] & 0xF0U) | ((slottype[1U] >> 2) & 0x0FU);
payload[20U] = (payload[20U] & 0x03U) | ((slottype[1U] << 6) & 0xC0U) | ((slottype[2U] >> 2) & 0x3CU);
}
// and encode
bptc.encode(lc, payload);
// and append
buffer->Append(payload, sizeof(payload));
}
void CDmrplusProtocol::ReplaceEMBInBuffer(CBuffer *buffer, uint8 uiDmrPacketId) const
{
// voice packet A ?
if ( uiDmrPacketId == 0 )
{
// sync
buffer->ReplaceAt(39, (uint8)(buffer->at(39) | (g_DmrSyncBSVoice[0] & 0x0F)));
buffer->ReplaceAt(40, g_DmrSyncBSVoice+1, 5);
buffer->ReplaceAt(45, (uint8)(buffer->at(45) | (g_DmrSyncBSVoice[6] & 0xF0)));
}
// voice packet B,C,D,E ?
else if ( (uiDmrPacketId >= 1) && (uiDmrPacketId <= 4 ) )
{
// EMB LC
uint8 emb[2];
emb[0] = (DMRMMDVM_REFLECTOR_COLOUR << 4) & 0xF0;
//emb[0] |= PI ? 0x08U : 0x00;
//emb[0] |= (LCSS << 1) & 0x06;
emb[1] = 0x00;
// encode
CQR1676::encode(emb);
// and append
buffer->ReplaceAt(39, (uint8)((buffer->at(39) & 0xF0) | ((emb[0U] >> 4) & 0x0F)));
buffer->ReplaceAt(40, (uint8)((buffer->at(40) & 0x0F) | ((emb[0U] << 4) & 0xF0)));
buffer->ReplaceAt(40, (uint8)(buffer->at(40) & 0xF0));
buffer->ReplaceAt(41, (uint8)0);
buffer->ReplaceAt(42, (uint8)0);
buffer->ReplaceAt(43, (uint8)0);
buffer->ReplaceAt(44, (uint8)(buffer->at(44) & 0x0F));
buffer->ReplaceAt(44, (uint8)((buffer->at(44) & 0xF0) | ((emb[1U] >> 4) & 0x0F)));
buffer->ReplaceAt(45, (uint8)((buffer->at(45) & 0x0F) | ((emb[1U] << 4) & 0xF0)));
}
// voice packet F
else
{
// NULL
uint8 emb[2];
emb[0] = (DMRMMDVM_REFLECTOR_COLOUR << 4) & 0xF0;
//emb[0] |= PI ? 0x08U : 0x00;
//emb[0] |= (LCSS << 1) & 0x06;
emb[1] = 0x00;
// encode
CQR1676::encode(emb);
// and append
buffer->ReplaceAt(39, (uint8)((buffer->at(39) & 0xF0) | ((emb[0U] >> 4) & 0x0F)));
buffer->ReplaceAt(40, (uint8)((buffer->at(40) & 0x0F) | ((emb[0U] << 4) & 0xF0)));
buffer->ReplaceAt(40, (uint8)(buffer->at(40) & 0xF0));
buffer->ReplaceAt(41, (uint8)0);
buffer->ReplaceAt(42, (uint8)0);
buffer->ReplaceAt(43, (uint8)0);
buffer->ReplaceAt(44, (uint8)(buffer->at(44) & 0x0F));
buffer->ReplaceAt(44, (uint8)((buffer->at(44) & 0xF0) | ((emb[1U] >> 4) & 0x0F)));
buffer->ReplaceAt(45, (uint8)((buffer->at(45) & 0x0F) | ((emb[1U] << 4) & 0xF0)));
}
}
////////////////////////////////////////////////////////////////////////////////////////
// uiStreamId helpers
// uiStreamId helpers
uint32 CDmrplusProtocol::IpToStreamId(const CIp &ip) const
{
return ip.GetAddr() ^ (uint32)(MAKEDWORD(ip.GetPort(), ip.GetPort()));
}

121
src/cdmrplusprotocol.h Normal file
View File

@ -0,0 +1,121 @@
//
// cdmrplusprotocol.h
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 10/01/2016.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef cdmrplusprotocol_h
#define cdmrplusprotocol_h
#include "ctimepoint.h"
#include "cprotocol.h"
#include "cdvheaderpacket.h"
#include "cdvframepacket.h"
#include "cdvlastframepacket.h"
////////////////////////////////////////////////////////////////////////////////////////
// define
////////////////////////////////////////////////////////////////////////////////////////
// class
class CDmrplusStreamCacheItem
{
public:
CDmrplusStreamCacheItem() { m_uiSeqId = 0x77; }
~CDmrplusStreamCacheItem() {}
CDvHeaderPacket m_dvHeader;
CDvFramePacket m_dvFrame0;
CDvFramePacket m_dvFrame1;
uint8 m_uiSeqId;
};
class CDmrplusProtocol : public CProtocol
{
public:
// constructor
CDmrplusProtocol() {};
// destructor
virtual ~CDmrplusProtocol() {};
// initialization
bool Init(void);
// task
void Task(void);
protected:
// queue helper
void HandleQueue(void);
void SendBufferToClients(const CBuffer &, uint8);
// keepalive helpers
void HandleKeepalives(void);
// stream helpers
bool OnDvHeaderPacketIn(CDvHeaderPacket *, const CIp &);
// packet decoding helpers
bool IsValidConnectPacket(const CBuffer &, CCallsign *, char *);
bool IsValidDisconnectPacket(const CBuffer &, CCallsign *, char *);
bool IsValidDvHeaderPacket(const CIp &, const CBuffer &, CDvHeaderPacket **);
bool IsValidDvFramePacket(const CIp &, const CBuffer &, CDvFramePacket **);
// packet encoding helpers
void EncodeConnectAckPacket(CBuffer *);
void EncodeConnectNackPacket(CBuffer *);
bool EncodeDvHeaderPacket(const CDvHeaderPacket &, CBuffer *) const;
void EncodeDvPacket(const CDvHeaderPacket &, const CDvFramePacket &, const CDvFramePacket &, const CDvFramePacket &, uint8, CBuffer *) const;
void EncodeDvLastPacket(const CDvHeaderPacket &, const CDvFramePacket &, const CDvFramePacket &, const CDvFramePacket &, uint8, CBuffer *) const;
void SwapEndianess(uint8 *, int) const;
// dmr SeqId helper
uint8 GetNextSeqId(uint8) const;
// dmr DstId to Module helper
char DmrDstIdToModule(uint32) const;
uint32 ModuleToDmrDestId(char) const;
// uiStreamId helpers
uint32 IpToStreamId(const CIp &) const;
// Buffer & LC helpers
void AppendVoiceLCToBuffer(CBuffer *, uint32) const;
void AppendTerminatorLCToBuffer(CBuffer *, uint32) const;
void ReplaceEMBInBuffer(CBuffer *, uint8) const;
protected:
// for keep alive
CTimePoint m_LastKeepaliveTime;
// for queue header caches
std::array<CDmrplusStreamCacheItem, NB_OF_MODULES> m_StreamsCache;
};
////////////////////////////////////////////////////////////////////////////////////////
#endif /* cdmrplusprotocol_h */

3
src/cdplusclient.h
View File

@ -47,7 +47,8 @@ public:
// identity
int GetProtocol(void) const { return PROTOCOL_DPLUS; }
const char *GetProtocolName(void) const { return "DPlus"; }
const char *GetProtocolName(void) const { return "Dplus"; }
int GetCodec(void) const { return CODEC_AMBEPLUS; }
bool IsNode(void) const { return true; }
bool IsDextraDongle(void) const { return m_bDextraDongle; }
void SetDextraDongle(void) { m_bDextraDongle = true; }

24
src/cdplusprotocol.cpp
View File

@ -30,17 +30,6 @@
#include "cgatekeeper.h"
////////////////////////////////////////////////////////////////////////////////////////
// constructor
CDplusProtocol::CDplusProtocol()
{
for ( int i = 0; i < m_iSeqCounters.size(); i++ )
{
m_iSeqCounters[i] = 0;
}
}
////////////////////////////////////////////////////////////////////////////////////////
// operation
@ -53,7 +42,6 @@ bool CDplusProtocol::Init(void)
// update the reflector callsign
m_ReflectorCallsign.PatchCallsign(0, (const uint8 *)"REF", 3);
//m_ReflectorCallsign.PatchCallsign(0, (const uint8 *)"XRF", 3);
// create our socket
ok &= m_Socket.Open(DPLUS_PORT);
@ -250,7 +238,7 @@ bool CDplusProtocol::OnDvHeaderPacketIn(CDvHeaderPacket *Header, const CIp &Ip)
// update last heard
g_Reflector.GetUsers()->Hearing(Header->GetMyCallsign(), via, Header->GetRpt2Callsign());
g_Reflector.ReleaseUsers();
// delete header if needed
if ( !newstream )
{
@ -294,8 +282,8 @@ void CDplusProtocol::HandleQueue(void)
if ( packet->IsDvHeader() )
{
// this relies on queue feeder setting valid module id
m_DvHeadersCache[iModId] = CDvHeaderPacket((const CDvHeaderPacket &)*packet);
m_iSeqCounters[iModId] = 0;
m_StreamsCache[iModId].m_dvHeader = CDvHeaderPacket((const CDvHeaderPacket &)*packet);
m_StreamsCache[iModId].m_iSeqCounter = 0;
}
// encode it
@ -327,11 +315,11 @@ void CDplusProtocol::HandleQueue(void)
m_Socket.Send(buffer, client->GetIp());
// is it time to insert a DVheader copy ?
if ( (m_iSeqCounters[iModId]++ % 21) == 20 )
if ( (m_StreamsCache[iModId].m_iSeqCounter++ % 21) == 20 )
{
// yes, clone it
CDvHeaderPacket packet2(m_DvHeadersCache[iModId]);
// and send it
CDvHeaderPacket packet2(m_StreamsCache[iModId].m_dvHeader);
// and send it
SendDvHeader(&packet2, (CDplusClient *)client);
}
}

15
src/cdplusprotocol.h
View File

@ -39,11 +39,21 @@
class CDplusClient;
class CDPlusStreamCacheItem
{
public:
CDPlusStreamCacheItem() { m_iSeqCounter = 0; }
~CDPlusStreamCacheItem() {}
CDvHeaderPacket m_dvHeader;
uint8 m_iSeqCounter;
};
class CDplusProtocol : public CProtocol
{
public:
// constructor
CDplusProtocol();
CDplusProtocol() {};
// destructor
virtual ~CDplusProtocol() {};
@ -89,8 +99,7 @@ protected:
CTimePoint m_LastKeepaliveTime;
// for queue header caches
std::array<CDvHeaderPacket, NB_OF_MODULES> m_DvHeadersCache;
std::array<uint32, NB_OF_MODULES> m_iSeqCounters;
std::array<CDPlusStreamCacheItem, NB_OF_MODULES> m_StreamsCache;
};
////////////////////////////////////////////////////////////////////////////////////////

60
src/cdvframepacket.cpp
View File

@ -35,21 +35,41 @@ CDvFramePacket::CDvFramePacket()
{
::memset(m_uiAmbe, 0, sizeof(m_uiAmbe));
::memset(m_uiDvData, 0, sizeof(m_uiDvData));
}
::memset(m_uiAmbePlus, 0, sizeof(m_uiAmbePlus));
::memset(m_uiDvSync, 0, sizeof(m_uiDvSync));
};
// dstar constructor
CDvFramePacket::CDvFramePacket(const struct dstar_dvframe *dvframe, uint16 sid, uint8 pid)
: CPacket(sid, pid)
{
::memcpy(m_uiAmbe, dvframe->AMBE, sizeof(m_uiAmbe));
::memcpy(m_uiDvData, dvframe->DVDATA, sizeof(m_uiDvData));
::memset(m_uiAmbePlus, 0, sizeof(m_uiAmbePlus));
::memset(m_uiDvSync, 0, sizeof(m_uiDvSync));
}
// dmr constructor
CDvFramePacket::CDvFramePacket(const uint8 *ambe, const uint8 *sync, uint16 sid, uint8 pid, uint8 spid)
: CPacket(sid, pid, spid)
{
::memcpy(m_uiAmbePlus, ambe, sizeof(m_uiAmbePlus));
::memcpy(m_uiDvSync, sync, sizeof(m_uiDvSync));
::memset(m_uiAmbe, 0, sizeof(m_uiAmbe));
::memset(m_uiDvData, 0, sizeof(m_uiDvData));
}
// copy constructor
CDvFramePacket::CDvFramePacket(const CDvFramePacket &DvFrame)
: CPacket(DvFrame)
{
::memcpy(m_uiAmbe, DvFrame.m_uiAmbe, sizeof(m_uiAmbe));
::memcpy(m_uiDvData, DvFrame.m_uiDvData, sizeof(m_uiDvData));
::memcpy(m_uiAmbePlus, DvFrame.m_uiAmbePlus, sizeof(m_uiAmbePlus));
::memcpy(m_uiDvSync, DvFrame.m_uiDvSync, sizeof(m_uiDvSync));
}
////////////////////////////////////////////////////////////////////////////////////////
@ -60,6 +80,40 @@ CPacket *CDvFramePacket::Duplicate(void) const
return new CDvFramePacket(*this);
}
////////////////////////////////////////////////////////////////////////////////////////
// get
const uint8 *CDvFramePacket::GetAmbe(uint8 uiCodec) const
{
switch (uiCodec)
{
case CODEC_AMBEPLUS: return m_uiAmbe;
case CODEC_AMBE2PLUS: return m_uiAmbePlus;
default: return NULL;
}
}
////////////////////////////////////////////////////////////////////////////////////////
// set
void CDvFramePacket::SetDvData(uint8 *DvData)
{
::memcpy(m_uiDvData, DvData, sizeof(m_uiDvData));
}
void CDvFramePacket::SetAmbe(uint8 uiCodec, uint8 *Ambe)
{
switch (uiCodec)
{
case CODEC_AMBEPLUS:
::memcpy(m_uiAmbe, Ambe, sizeof(m_uiAmbe));
break;
case CODEC_AMBE2PLUS:
::memcpy(m_uiAmbePlus, Ambe, sizeof(m_uiAmbe));
break;
}
}
////////////////////////////////////////////////////////////////////////////////////////
// operators
@ -67,5 +121,7 @@ CPacket *CDvFramePacket::Duplicate(void) const
bool CDvFramePacket::operator ==(const CDvFramePacket &DvFrame) const
{
return ( (::memcmp(m_uiAmbe, DvFrame.m_uiAmbe, sizeof(m_uiAmbe)) == 0) &&
(::memcmp(m_uiDvData, DvFrame.m_uiDvData, sizeof(m_uiDvData)) == 0) );
(::memcmp(m_uiDvData, DvFrame.m_uiDvData, sizeof(m_uiDvData)) == 0) &&
(::memcmp(m_uiAmbePlus, DvFrame.m_uiAmbePlus, sizeof(m_uiAmbePlus)) == 0) &&
(::memcmp(m_uiDvSync, DvFrame.m_uiDvSync, sizeof(m_uiDvSync)) == 0) );
}

31
src/cdvframepacket.h
View File

@ -33,6 +33,9 @@
#define AMBE_SIZE 9
#define DVDATA_SIZE 3
#define AMBEPLUS_SIZE 9
#define DVSYNC_SIZE 7
// typedef & structures
struct __attribute__ ((__packed__))dstar_dvframe
@ -46,10 +49,12 @@ struct __attribute__ ((__packed__))dstar_dvframe
class CDvFramePacket : public CPacket
{
friend class CCodecStream;
public:
// constructor
CDvFramePacket();
CDvFramePacket(const struct dstar_dvframe *, uint16 = 0, uint8 = 0);
CDvFramePacket(const struct dstar_dvframe *, uint16, uint8);
CDvFramePacket(const uint8 *, const uint8 *, uint16, uint8, uint8);
CDvFramePacket(const CDvFramePacket &);
// destructor
@ -59,19 +64,35 @@ public:
CPacket *Duplicate(void) const;
// identity
bool IsDvFrame(void) const { return true; }
bool IsDvFrame(void) const { return true; }
bool HaveTranscodableAmbe(void) const { return true; }
// get
const uint8 *GetAmbe(void) const { return m_uiAmbe; }
const uint8 *GetDvData(void) const { return m_uiDvData; }
const uint8 *GetAmbe(uint8) const;
const uint8 *GetAmbe(void) const { return m_uiAmbe; }
const uint8 *GetAmbePlus(void) const { return m_uiAmbePlus; }
const uint8 *GetDvData(void) const { return m_uiDvData; }
const uint8 *GetDvSync(void) const { return m_uiDvSync; }
// set
void SetDvData(uint8 *);
void SetAmbe(uint8, uint8 *);
// operators
bool operator ==(const CDvFramePacket &) const;
protected:
// get
uint8 *GetAmbeData(void) { return m_uiAmbe; }
uint8 *GetAmbePlusData(void) { return m_uiAmbePlus; }
protected:
// data
// data (dstar)
uint8 m_uiAmbe[AMBE_SIZE];
uint8 m_uiDvData[DVDATA_SIZE];
// data (dmr)
uint8 m_uiAmbePlus[AMBEPLUS_SIZE];
uint8 m_uiDvSync[DVSYNC_SIZE];
};

25
src/cdvheaderpacket.cpp
View File

@ -25,6 +25,7 @@
#include "main.h"
#include <string.h>
#include <cstdio>
#include "cdmriddir.h"
#include "cdvheaderpacket.h"
////////////////////////////////////////////////////////////////////////////////////////
@ -38,6 +39,8 @@ CDvHeaderPacket::CDvHeaderPacket()
m_uiCrc = 0;
}
// dstar constructor
CDvHeaderPacket::CDvHeaderPacket(const struct dstar_header *buffer, uint16 sid, uint8 pid)
: CPacket(sid, pid)
{
@ -52,8 +55,25 @@ CDvHeaderPacket::CDvHeaderPacket(const struct dstar_header *buffer, uint16 sid,
m_uiCrc = buffer->Crc;
}
// dmr constructor
CDvHeaderPacket::CDvHeaderPacket(uint32 my, const CCallsign &ur, const CCallsign &rpt1, const CCallsign &rpt2, uint16 sid, uint8 pid, uint8 spid)
: CPacket(sid, pid, spid)
{
m_uiFlag1 = 0;
m_uiFlag2 = 0;
m_uiFlag3 = 0;
m_uiCrc = 0;
m_csUR = ur;
m_csRPT1 = rpt1;
m_csRPT2 = rpt2;
m_csMY = CCallsign("", my);
}
// copy constructor
CDvHeaderPacket::CDvHeaderPacket(const CDvHeaderPacket &Header)
: CPacket(Header)
: CPacket(Header)
{
m_uiFlag1 = Header.m_uiFlag1;
m_uiFlag2 = Header.m_uiFlag2;
@ -65,6 +85,7 @@ CDvHeaderPacket::CDvHeaderPacket(const CDvHeaderPacket &Header)
m_uiCrc = Header.m_uiCrc;
}
////////////////////////////////////////////////////////////////////////////////////////
// virtual duplication
@ -134,4 +155,4 @@ CDvHeaderPacket::operator const char *() const
return m_sz;
}
#endif
#endif

3
src/cdvheaderpacket.h
View File

@ -61,7 +61,8 @@ class CDvHeaderPacket : public CPacket
public:
// constructor
CDvHeaderPacket();
CDvHeaderPacket(const struct dstar_header *, uint16 = 0, uint8 = 0);
CDvHeaderPacket(const struct dstar_header *, uint16, uint8);
CDvHeaderPacket(uint32, const CCallsign &, const CCallsign &, const CCallsign &, uint16, uint8, uint8);
CDvHeaderPacket(const CDvHeaderPacket &);
// destructor

11
src/cdvlastframepacket.cpp
View File

@ -33,11 +33,22 @@ CDvLastFramePacket::CDvLastFramePacket()
{
}
// dstar constructor
CDvLastFramePacket::CDvLastFramePacket(const struct dstar_dvframe *DvFrame, uint16 sid, uint8 pid)
: CDvFramePacket(DvFrame, sid, pid)
{
}
// dmr constructor
CDvLastFramePacket::CDvLastFramePacket(const uint8 *ambe, const uint8 *sync, uint16 sid, uint8 pid, uint8 spid)
: CDvFramePacket(ambe, sync, sid, pid, spid)
{
}
// copy constructor
CDvLastFramePacket::CDvLastFramePacket(const CDvLastFramePacket &DvFrame)
: CDvFramePacket(DvFrame)
{

6
src/cdvlastframepacket.h
View File

@ -40,7 +40,8 @@ class CDvLastFramePacket : public CDvFramePacket
public:
// constructor
CDvLastFramePacket();
CDvLastFramePacket(const struct dstar_dvframe *, uint16 = 0, uint8 = 0);
CDvLastFramePacket(const struct dstar_dvframe *, uint16, uint8);
CDvLastFramePacket(const uint8 *, const uint8 *, uint16, uint8, uint8);
CDvLastFramePacket(const CDvLastFramePacket &);
// destructor
@ -50,7 +51,8 @@ public:
CPacket *Duplicate(void) const;
// identity
bool IsLastPacket(void) const { return true; }
bool IsLastPacket(void) const { return true; }
bool HaveTranscodableAmbe(void) const { return false; }
};

4
src/cgatekeeper.cpp
View File

@ -99,6 +99,8 @@ bool CGateKeeper::MayLink(const CCallsign &callsign, const CIp &ip, int protocol
case PROTOCOL_DEXTRA:
case PROTOCOL_DPLUS:
case PROTOCOL_DCS:
case PROTOCOL_DMRPLUS:
case PROTOCOL_DMRMMDVM:
// first check is IP & callsigned listed OK
ok &= IsNodeListedOk(callsign, ip);
// todo: then apply any protocol specific authorisation for the operation
@ -137,6 +139,8 @@ bool CGateKeeper::MayTransmit(const CCallsign &callsign, const CIp &ip, int prot
case PROTOCOL_DEXTRA:
case PROTOCOL_DPLUS:
case PROTOCOL_DCS:
case PROTOCOL_DMRPLUS:
case PROTOCOL_DMRMMDVM:
// first check is IP & callsigned listed OK
ok &= IsNodeListedOk(callsign, ip, module);
// todo: then apply any protocol specific authorisation for the operation

262
src/cgolay2087.cpp Normal file
View File

@ -0,0 +1,262 @@
/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cgolay2087.h"
#include <cstdio>
#include <cassert>
const unsigned int ENCODING_TABLE_2087[] =
{0x0000U, 0xB08EU, 0xE093U, 0x501DU, 0x70A9U, 0xC027U, 0x903AU, 0x20B4U, 0x60DCU, 0xD052U, 0x804FU, 0x30C1U,
0x1075U, 0xA0FBU, 0xF0E6U, 0x4068U, 0x7036U, 0xC0B8U, 0x90A5U, 0x202BU, 0x009FU, 0xB011U, 0xE00CU, 0x5082U,
0x10EAU, 0xA064U, 0xF079U, 0x40F7U, 0x6043U, 0xD0CDU, 0x80D0U, 0x305EU, 0xD06CU, 0x60E2U, 0x30FFU, 0x8071U,
0xA0C5U, 0x104BU, 0x4056U, 0xF0D8U, 0xB0B0U, 0x003EU, 0x5023U, 0xE0ADU, 0xC019U, 0x7097U, 0x208AU, 0x9004U,
0xA05AU, 0x10D4U, 0x40C9U, 0xF047U, 0xD0F3U, 0x607DU, 0x3060U, 0x80EEU, 0xC086U, 0x7008U, 0x2015U, 0x909BU,
0xB02FU, 0x00A1U, 0x50BCU, 0xE032U, 0x90D9U, 0x2057U, 0x704AU, 0xC0C4U, 0xE070U, 0x50FEU, 0x00E3U, 0xB06DU,
0xF005U, 0x408BU, 0x1096U, 0xA018U, 0x80ACU, 0x3022U, 0x603FU, 0xD0B1U, 0xE0EFU, 0x5061U, 0x007CU, 0xB0F2U,
0x9046U, 0x20C8U, 0x70D5U, 0xC05BU, 0x8033U, 0x30BDU, 0x60A0U, 0xD02EU, 0xF09AU, 0x4014U, 0x1009U, 0xA087U,
0x40B5U, 0xF03BU, 0xA026U, 0x10A8U, 0x301CU, 0x8092U, 0xD08FU, 0x6001U, 0x2069U, 0x90E7U, 0xC0FAU, 0x7074U,
0x50C0U, 0xE04EU, 0xB053U, 0x00DDU, 0x3083U, 0x800DU, 0xD010U, 0x609EU, 0x402AU, 0xF0A4U, 0xA0B9U, 0x1037U,
0x505FU, 0xE0D1U, 0xB0CCU, 0x0042U, 0x20F6U, 0x9078U, 0xC065U, 0x70EBU, 0xA03DU, 0x10B3U, 0x40AEU, 0xF020U,
0xD094U, 0x601AU, 0x3007U, 0x8089U, 0xC0E1U, 0x706FU, 0x2072U, 0x90FCU, 0xB048U, 0x00C6U, 0x50DBU, 0xE055U,
0xD00BU, 0x6085U, 0x3098U, 0x8016U, 0xA0A2U, 0x102CU, 0x4031U, 0xF0BFU, 0xB0D7U, 0x0059U, 0x5044U, 0xE0CAU,
0xC07EU, 0x70F0U, 0x20EDU, 0x9063U, 0x7051U, 0xC0DFU, 0x90C2U, 0x204CU, 0x00F8U, 0xB076U, 0xE06BU, 0x50E5U,
0x108DU, 0xA003U, 0xF01EU, 0x4090U, 0x6024U, 0xD0AAU, 0x80B7U, 0x3039U, 0x0067U, 0xB0E9U, 0xE0F4U, 0x507AU,
0x70CEU, 0xC040U, 0x905DU, 0x20D3U, 0x60BBU, 0xD035U, 0x8028U, 0x30A6U, 0x1012U, 0xA09CU, 0xF081U, 0x400FU,
0x30E4U, 0x806AU, 0xD077U, 0x60F9U, 0x404DU, 0xF0C3U, 0xA0DEU, 0x1050U, 0x5038U, 0xE0B6U, 0xB0ABU, 0x0025U,
0x2091U, 0x901FU, 0xC002U, 0x708CU, 0x40D2U, 0xF05CU, 0xA041U, 0x10CFU, 0x307BU, 0x80F5U, 0xD0E8U, 0x6066U,
0x200EU, 0x9080U, 0xC09DU, 0x7013U, 0x50A7U, 0xE029U, 0xB034U, 0x00BAU, 0xE088U, 0x5006U, 0x001BU, 0xB095U,
0x9021U, 0x20AFU, 0x70B2U, 0xC03CU, 0x8054U, 0x30DAU, 0x60C7U, 0xD049U, 0xF0FDU, 0x4073U, 0x106EU, 0xA0E0U,
0x90BEU, 0x2030U, 0x702DU, 0xC0A3U, 0xE017U, 0x5099U, 0x0084U, 0xB00AU, 0xF062U, 0x40ECU, 0x10F1U, 0xA07FU,
0x80CBU, 0x3045U, 0x6058U, 0xD0D6U};
const unsigned int DECODING_TABLE_1987[] =
{0x00000U, 0x00001U, 0x00002U, 0x00003U, 0x00004U, 0x00005U, 0x00006U, 0x00007U, 0x00008U, 0x00009U, 0x0000AU, 0x0000BU, 0x0000CU,
0x0000DU, 0x0000EU, 0x24020U, 0x00010U, 0x00011U, 0x00012U, 0x00013U, 0x00014U, 0x00015U, 0x00016U, 0x00017U, 0x00018U, 0x00019U,
0x0001AU, 0x0001BU, 0x0001CU, 0x0001DU, 0x48040U, 0x01480U, 0x00020U, 0x00021U, 0x00022U, 0x00023U, 0x00024U, 0x00025U, 0x00026U,
0x24008U, 0x00028U, 0x00029U, 0x0002AU, 0x24004U, 0x0002CU, 0x24002U, 0x24001U, 0x24000U, 0x00030U, 0x00031U, 0x00032U, 0x08180U,
0x00034U, 0x00C40U, 0x00036U, 0x00C42U, 0x00038U, 0x43000U, 0x0003AU, 0x43002U, 0x02902U, 0x24012U, 0x02900U, 0x24010U, 0x00040U,
0x00041U, 0x00042U, 0x00043U, 0x00044U, 0x00045U, 0x00046U, 0x00047U, 0x00048U, 0x00049U, 0x0004AU, 0x02500U, 0x0004CU, 0x0004DU,
0x48010U, 0x48011U, 0x00050U, 0x00051U, 0x00052U, 0x21200U, 0x00054U, 0x00C20U, 0x48008U, 0x48009U, 0x00058U, 0x00059U, 0x48004U,
0x48005U, 0x48002U, 0x48003U, 0x48000U, 0x48001U, 0x00060U, 0x00061U, 0x00062U, 0x00063U, 0x00064U, 0x00C10U, 0x10300U, 0x0B000U,
0x00068U, 0x00069U, 0x01880U, 0x01881U, 0x40181U, 0x40180U, 0x24041U, 0x24040U, 0x00070U, 0x00C04U, 0x00072U, 0x00C06U, 0x00C01U,
0x00C00U, 0x00C03U, 0x00C02U, 0x05204U, 0x00C0CU, 0x48024U, 0x48025U, 0x05200U, 0x00C08U, 0x48020U, 0x48021U, 0x00080U, 0x00081U,
0x00082U, 0x00083U, 0x00084U, 0x00085U, 0x00086U, 0x00087U, 0x00088U, 0x00089U, 0x0008AU, 0x50200U, 0x0008CU, 0x0A800U, 0x01411U,
0x01410U, 0x00090U, 0x00091U, 0x00092U, 0x08120U, 0x00094U, 0x00095U, 0x04A00U, 0x01408U, 0x00098U, 0x00099U, 0x01405U, 0x01404U,
0x01403U, 0x01402U, 0x01401U, 0x01400U, 0x000A0U, 0x000A1U, 0x000A2U, 0x08110U, 0x000A4U, 0x000A5U, 0x42400U, 0x42401U, 0x000A8U,
0x000A9U, 0x01840U, 0x01841U, 0x40141U, 0x40140U, 0x24081U, 0x24080U, 0x000B0U, 0x08102U, 0x08101U, 0x08100U, 0x000B4U, 0x08106U,
0x08105U, 0x08104U, 0x20A01U, 0x20A00U, 0x08109U, 0x08108U, 0x01423U, 0x01422U, 0x01421U, 0x01420U, 0x000C0U, 0x000C1U, 0x000C2U,
0x000C3U, 0x000C4U, 0x000C5U, 0x000C6U, 0x000C7U, 0x000C8U, 0x000C9U, 0x01820U, 0x01821U, 0x20600U, 0x40120U, 0x16000U, 0x16001U,
0x000D0U, 0x000D1U, 0x42801U, 0x42800U, 0x03100U, 0x18200U, 0x03102U, 0x18202U, 0x000D8U, 0x000D9U, 0x48084U, 0x01444U, 0x48082U,
0x01442U, 0x48080U, 0x01440U, 0x000E0U, 0x32000U, 0x01808U, 0x04600U, 0x40109U, 0x40108U, 0x0180CU, 0x4010AU, 0x01802U, 0x40104U,
0x01800U, 0x01801U, 0x40101U, 0x40100U, 0x01804U, 0x40102U, 0x0A408U, 0x08142U, 0x08141U, 0x08140U, 0x00C81U, 0x00C80U, 0x00C83U,
0x00C82U, 0x0A400U, 0x0A401U, 0x01810U, 0x01811U, 0x40111U, 0x40110U, 0x01814U, 0x40112U, 0x00100U, 0x00101U, 0x00102U, 0x00103U,
0x00104U, 0x00105U, 0x00106U, 0x41800U, 0x00108U, 0x00109U, 0x0010AU, 0x02440U, 0x0010CU, 0x0010DU, 0x0010EU, 0x02444U, 0x00110U,
0x00111U, 0x00112U, 0x080A0U, 0x00114U, 0x00115U, 0x00116U, 0x080A4U, 0x00118U, 0x00119U, 0x15000U, 0x15001U, 0x02822U, 0x02823U,
0x02820U, 0x02821U, 0x00120U, 0x00121U, 0x00122U, 0x08090U, 0x00124U, 0x00125U, 0x10240U, 0x10241U, 0x00128U, 0x00129U, 0x0012AU,
0x24104U, 0x09400U, 0x400C0U, 0x02810U, 0x24100U, 0x00130U, 0x08082U, 0x08081U, 0x08080U, 0x31001U, 0x31000U, 0x02808U, 0x08084U,
0x02806U, 0x0808AU, 0x02804U, 0x08088U, 0x02802U, 0x02803U, 0x02800U, 0x02801U, 0x00140U, 0x00141U, 0x00142U, 0x02408U, 0x00144U,
0x00145U, 0x10220U, 0x10221U, 0x00148U, 0x02402U, 0x02401U, 0x02400U, 0x400A1U, 0x400A0U, 0x02405U, 0x02404U, 0x00150U, 0x00151U,
0x00152U, 0x02418U, 0x03080U, 0x03081U, 0x03082U, 0x03083U, 0x09801U, 0x09800U, 0x02411U, 0x02410U, 0x48102U, 0x09804U, 0x48100U,
0x48101U, 0x00160U, 0x00161U, 0x10204U, 0x10205U, 0x10202U, 0x40088U, 0x10200U, 0x10201U, 0x40085U, 0x40084U, 0x02421U, 0x02420U,
0x40081U, 0x40080U, 0x10208U, 0x40082U, 0x41402U, 0x080C2U, 0x41400U, 0x080C0U, 0x00D01U, 0x00D00U, 0x10210U, 0x10211U, 0x40095U,
0x40094U, 0x02844U, 0x080C8U, 0x40091U, 0x40090U, 0x02840U, 0x02841U, 0x00180U, 0x00181U, 0x00182U, 0x08030U, 0x00184U, 0x14400U,
0x22201U, 0x22200U, 0x00188U, 0x00189U, 0x0018AU, 0x08038U, 0x40061U, 0x40060U, 0x40063U, 0x40062U, 0x00190U, 0x08022U, 0x08021U,
0x08020U, 0x03040U, 0x03041U, 0x08025U, 0x08024U, 0x40C00U, 0x40C01U, 0x08029U, 0x08028U, 0x2C000U, 0x2C001U, 0x01501U, 0x01500U,
0x001A0U, 0x08012U, 0x08011U, 0x08010U, 0x40049U, 0x40048U, 0x08015U, 0x08014U, 0x06200U, 0x40044U, 0x30400U, 0x08018U, 0x40041U,
0x40040U, 0x40043U, 0x40042U, 0x08003U, 0x08002U, 0x08001U, 0x08000U, 0x08007U, 0x08006U, 0x08005U, 0x08004U, 0x0800BU, 0x0800AU,
0x08009U, 0x08008U, 0x40051U, 0x40050U, 0x02880U, 0x0800CU, 0x001C0U, 0x001C1U, 0x64000U, 0x64001U, 0x03010U, 0x40028U, 0x08C00U,
0x08C01U, 0x40025U, 0x40024U, 0x02481U, 0x02480U, 0x40021U, 0x40020U, 0x40023U, 0x40022U, 0x03004U, 0x03005U, 0x08061U, 0x08060U,
0x03000U, 0x03001U, 0x03002U, 0x03003U, 0x0300CU, 0x40034U, 0x30805U, 0x30804U, 0x03008U, 0x40030U, 0x30801U, 0x30800U, 0x4000DU,
0x4000CU, 0x08051U, 0x08050U, 0x40009U, 0x40008U, 0x10280U, 0x4000AU, 0x40005U, 0x40004U, 0x01900U, 0x40006U, 0x40001U, 0x40000U,
0x40003U, 0x40002U, 0x14800U, 0x08042U, 0x08041U, 0x08040U, 0x03020U, 0x40018U, 0x08045U, 0x08044U, 0x40015U, 0x40014U, 0x08049U,
0x08048U, 0x40011U, 0x40010U, 0x40013U, 0x40012U, 0x00200U, 0x00201U, 0x00202U, 0x00203U, 0x00204U, 0x00205U, 0x00206U, 0x00207U,
0x00208U, 0x00209U, 0x0020AU, 0x50080U, 0x0020CU, 0x0020DU, 0x0020EU, 0x50084U, 0x00210U, 0x00211U, 0x00212U, 0x21040U, 0x00214U,
0x00215U, 0x04880U, 0x04881U, 0x00218U, 0x00219U, 0x0E001U, 0x0E000U, 0x0021CU, 0x0021DU, 0x04888U, 0x0E004U, 0x00220U, 0x00221U,
0x00222U, 0x00223U, 0x00224U, 0x00225U, 0x10140U, 0x10141U, 0x00228U, 0x00229U, 0x0022AU, 0x24204U, 0x12401U, 0x12400U, 0x24201U,
0x24200U, 0x00230U, 0x00231U, 0x00232U, 0x21060U, 0x2A000U, 0x2A001U, 0x2A002U, 0x2A003U, 0x20881U, 0x20880U, 0x20883U, 0x20882U,
0x05040U, 0x05041U, 0x05042U, 0x24210U, 0x00240U, 0x00241U, 0x00242U, 0x21010U, 0x00244U, 0x46000U, 0x10120U, 0x10121U, 0x00248U,
0x00249U, 0x0024AU, 0x21018U, 0x20480U, 0x20481U, 0x20482U, 0x20483U, 0x00250U, 0x21002U, 0x21001U, 0x21000U, 0x18081U, 0x18080U,
0x21005U, 0x21004U, 0x12800U, 0x12801U, 0x21009U, 0x21008U, 0x05020U, 0x05021U, 0x48200U, 0x48201U, 0x00260U, 0x00261U, 0x10104U,
0x04480U, 0x10102U, 0x10103U, 0x10100U, 0x10101U, 0x62002U, 0x62003U, 0x62000U, 0x62001U, 0x05010U, 0x05011U, 0x10108U, 0x10109U,
0x0500CU, 0x21022U, 0x21021U, 0x21020U, 0x05008U, 0x00E00U, 0x10110U, 0x10111U, 0x05004U, 0x05005U, 0x05006U, 0x21028U, 0x05000U,
0x05001U, 0x05002U, 0x05003U, 0x00280U, 0x00281U, 0x00282U, 0x50008U, 0x00284U, 0x00285U, 0x04810U, 0x22100U, 0x00288U, 0x50002U,
0x50001U, 0x50000U, 0x20440U, 0x20441U, 0x50005U, 0x50004U, 0x00290U, 0x00291U, 0x04804U, 0x04805U, 0x04802U, 0x18040U, 0x04800U,
0x04801U, 0x20821U, 0x20820U, 0x50011U, 0x50010U, 0x0480AU, 0x01602U, 0x04808U, 0x01600U, 0x002A0U, 0x002A1U, 0x04441U, 0x04440U,
0x002A4U, 0x002A5U, 0x04830U, 0x04444U, 0x06100U, 0x20810U, 0x50021U, 0x50020U, 0x06104U, 0x20814U, 0x50025U, 0x50024U, 0x20809U,
0x20808U, 0x13000U, 0x08300U, 0x04822U, 0x2080CU, 0x04820U, 0x04821U, 0x20801U, 0x20800U, 0x20803U, 0x20802U, 0x20805U, 0x20804U,
0x04828U, 0x20806U, 0x002C0U, 0x002C1U, 0x04421U, 0x04420U, 0x20408U, 0x18010U, 0x2040AU, 0x18012U, 0x20404U, 0x20405U, 0x50041U,
0x50040U, 0x20400U, 0x20401U, 0x20402U, 0x20403U, 0x18005U, 0x18004U, 0x21081U, 0x21080U, 0x18001U, 0x18000U, 0x04840U, 0x18002U,
0x20414U, 0x1800CU, 0x21089U, 0x21088U, 0x20410U, 0x18008U, 0x20412U, 0x1800AU, 0x04403U, 0x04402U, 0x04401U, 0x04400U, 0x10182U,
0x04406U, 0x10180U, 0x04404U, 0x01A02U, 0x0440AU, 0x01A00U, 0x04408U, 0x20420U, 0x40300U, 0x20422U, 0x40302U, 0x04413U, 0x04412U,
0x04411U, 0x04410U, 0x18021U, 0x18020U, 0x10190U, 0x18022U, 0x20841U, 0x20840U, 0x01A10U, 0x20842U, 0x05080U, 0x05081U, 0x05082U,
0x05083U, 0x00300U, 0x00301U, 0x00302U, 0x00303U, 0x00304U, 0x00305U, 0x10060U, 0x22080U, 0x00308U, 0x00309U, 0x28800U, 0x28801U,
0x44402U, 0x44403U, 0x44400U, 0x44401U, 0x00310U, 0x00311U, 0x10C01U, 0x10C00U, 0x00314U, 0x00315U, 0x10070U, 0x10C04U, 0x00318U,
0x00319U, 0x28810U, 0x10C08U, 0x44412U, 0x00000U, 0x44410U, 0x44411U, 0x00320U, 0x60400U, 0x10044U, 0x10045U, 0x10042U, 0x0C800U,
0x10040U, 0x10041U, 0x06080U, 0x06081U, 0x06082U, 0x06083U, 0x1004AU, 0x0C808U, 0x10048U, 0x10049U, 0x58008U, 0x08282U, 0x08281U,
0x08280U, 0x10052U, 0x0C810U, 0x10050U, 0x10051U, 0x58000U, 0x58001U, 0x58002U, 0x08288U, 0x02A02U, 0x02A03U, 0x02A00U, 0x02A01U,
0x00340U, 0x00341U, 0x10024U, 0x10025U, 0x10022U, 0x10023U, 0x10020U, 0x10021U, 0x34001U, 0x34000U, 0x02601U, 0x02600U, 0x1002AU,
0x34004U, 0x10028U, 0x10029U, 0x0C400U, 0x0C401U, 0x21101U, 0x21100U, 0x60800U, 0x60801U, 0x10030U, 0x10031U, 0x0C408U, 0x34010U,
0x21109U, 0x21108U, 0x60808U, 0x60809U, 0x10038U, 0x28420U, 0x10006U, 0x10007U, 0x10004U, 0x10005U, 0x10002U, 0x10003U, 0x10000U,
0x10001U, 0x1000EU, 0x40284U, 0x1000CU, 0x1000DU, 0x1000AU, 0x40280U, 0x10008U, 0x10009U, 0x10016U, 0x10017U, 0x10014U, 0x10015U,
0x10012U, 0x10013U, 0x10010U, 0x10011U, 0x05104U, 0x44802U, 0x44801U, 0x44800U, 0x05100U, 0x05101U, 0x10018U, 0x28400U, 0x00380U,
0x00381U, 0x22005U, 0x22004U, 0x22003U, 0x22002U, 0x22001U, 0x22000U, 0x06020U, 0x06021U, 0x50101U, 0x50100U, 0x11800U, 0x11801U,
0x22009U, 0x22008U, 0x45001U, 0x45000U, 0x08221U, 0x08220U, 0x04902U, 0x22012U, 0x04900U, 0x22010U, 0x06030U, 0x45008U, 0x08229U,
0x08228U, 0x11810U, 0x11811U, 0x04908U, 0x22018U, 0x06008U, 0x06009U, 0x08211U, 0x08210U, 0x100C2U, 0x22022U, 0x100C0U, 0x22020U,
0x06000U, 0x06001U, 0x06002U, 0x06003U, 0x06004U, 0x40240U, 0x06006U, 0x40242U, 0x08203U, 0x08202U, 0x08201U, 0x08200U, 0x08207U,
0x08206U, 0x08205U, 0x08204U, 0x06010U, 0x20900U, 0x08209U, 0x08208U, 0x61002U, 0x20904U, 0x61000U, 0x61001U, 0x29020U, 0x29021U,
0x100A4U, 0x22044U, 0x100A2U, 0x22042U, 0x100A0U, 0x22040U, 0x20504U, 0x40224U, 0x0D005U, 0x0D004U, 0x20500U, 0x40220U, 0x0D001U,
0x0D000U, 0x03204U, 0x18104U, 0x08261U, 0x08260U, 0x03200U, 0x18100U, 0x03202U, 0x18102U, 0x11421U, 0x11420U, 0x00000U, 0x11422U,
0x03208U, 0x18108U, 0x0D011U, 0x0D010U, 0x29000U, 0x29001U, 0x10084U, 0x04500U, 0x10082U, 0x40208U, 0x10080U, 0x10081U, 0x06040U,
0x40204U, 0x06042U, 0x40206U, 0x40201U, 0x40200U, 0x10088U, 0x40202U, 0x29010U, 0x08242U, 0x08241U, 0x08240U, 0x10092U, 0x40218U,
0x10090U, 0x10091U, 0x11401U, 0x11400U, 0x11403U, 0x11402U, 0x40211U, 0x40210U, 0x10098U, 0x40212U, 0x00400U, 0x00401U, 0x00402U,
0x00403U, 0x00404U, 0x00405U, 0x00406U, 0x00407U, 0x00408U, 0x00409U, 0x0040AU, 0x02140U, 0x0040CU, 0x0040DU, 0x01091U, 0x01090U,
0x00410U, 0x00411U, 0x00412U, 0x00413U, 0x00414U, 0x00860U, 0x01089U, 0x01088U, 0x00418U, 0x38000U, 0x01085U, 0x01084U, 0x01083U,
0x01082U, 0x01081U, 0x01080U, 0x00420U, 0x00421U, 0x00422U, 0x00423U, 0x00424U, 0x00850U, 0x42080U, 0x42081U, 0x00428U, 0x00429U,
0x48801U, 0x48800U, 0x09100U, 0x12200U, 0x24401U, 0x24400U, 0x00430U, 0x00844U, 0x00432U, 0x00846U, 0x00841U, 0x00840U, 0x1C000U,
0x00842U, 0x00438U, 0x0084CU, 0x010A5U, 0x010A4U, 0x00849U, 0x00848U, 0x010A1U, 0x010A0U, 0x00440U, 0x00441U, 0x00442U, 0x02108U,
0x00444U, 0x00830U, 0x70001U, 0x70000U, 0x00448U, 0x02102U, 0x02101U, 0x02100U, 0x20280U, 0x20281U, 0x02105U, 0x02104U, 0x00450U,
0x00824U, 0x00452U, 0x00826U, 0x00821U, 0x00820U, 0x00823U, 0x00822U, 0x24802U, 0x02112U, 0x24800U, 0x02110U, 0x00829U, 0x00828U,
0x48400U, 0x010C0U, 0x00460U, 0x00814U, 0x04281U, 0x04280U, 0x00811U, 0x00810U, 0x00813U, 0x00812U, 0x54000U, 0x54001U, 0x02121U,
0x02120U, 0x00819U, 0x00818U, 0x0081BU, 0x0081AU, 0x00805U, 0x00804U, 0x41100U, 0x00806U, 0x00801U, 0x00800U, 0x00803U, 0x00802U,
0x0A080U, 0x0080CU, 0x0A082U, 0x0080EU, 0x00809U, 0x00808U, 0x0080BU, 0x0080AU, 0x00480U, 0x00481U, 0x00482U, 0x00483U, 0x00484U,
0x14100U, 0x42020U, 0x01018U, 0x00488U, 0x00489U, 0x01015U, 0x01014U, 0x20240U, 0x01012U, 0x01011U, 0x01010U, 0x00490U, 0x00491U,
0x0100DU, 0x0100CU, 0x0100BU, 0x0100AU, 0x01009U, 0x01008U, 0x40900U, 0x01006U, 0x01005U, 0x01004U, 0x01003U, 0x01002U, 0x01001U,
0x01000U, 0x004A0U, 0x004A1U, 0x42004U, 0x04240U, 0x42002U, 0x42003U, 0x42000U, 0x42001U, 0x30102U, 0x30103U, 0x30100U, 0x30101U,
0x4200AU, 0x01032U, 0x42008U, 0x01030U, 0x25000U, 0x25001U, 0x08501U, 0x08500U, 0x008C1U, 0x008C0U, 0x42010U, 0x01028U, 0x0A040U,
0x0A041U, 0x01025U, 0x01024U, 0x01023U, 0x01022U, 0x01021U, 0x01020U, 0x004C0U, 0x49000U, 0x04221U, 0x04220U, 0x20208U, 0x20209U,
0x08900U, 0x08901U, 0x20204U, 0x20205U, 0x02181U, 0x02180U, 0x20200U, 0x20201U, 0x20202U, 0x01050U, 0x0A028U, 0x008A4U, 0x0104DU,
0x0104CU, 0x008A1U, 0x008A0U, 0x01049U, 0x01048U, 0x0A020U, 0x0A021U, 0x01045U, 0x01044U, 0x20210U, 0x01042U, 0x01041U, 0x01040U,
0x04203U, 0x04202U, 0x04201U, 0x04200U, 0x00891U, 0x00890U, 0x42040U, 0x04204U, 0x0A010U, 0x0A011U, 0x01C00U, 0x04208U, 0x20220U,
0x40500U, 0x20222U, 0x40502U, 0x0A008U, 0x00884U, 0x04211U, 0x04210U, 0x00881U, 0x00880U, 0x00883U, 0x00882U, 0x0A000U, 0x0A001U,
0x0A002U, 0x0A003U, 0x0A004U, 0x00888U, 0x01061U, 0x01060U, 0x00500U, 0x00501U, 0x00502U, 0x02048U, 0x00504U, 0x14080U, 0x00506U,
0x14082U, 0x00508U, 0x02042U, 0x02041U, 0x02040U, 0x09020U, 0x09021U, 0x44200U, 0x02044U, 0x00510U, 0x00511U, 0x10A01U, 0x10A00U,
0x4A001U, 0x4A000U, 0x4A003U, 0x4A002U, 0x40880U, 0x40881U, 0x02051U, 0x02050U, 0x40884U, 0x01182U, 0x01181U, 0x01180U, 0x00520U,
0x60200U, 0x00522U, 0x60202U, 0x09008U, 0x09009U, 0x0900AU, 0x0900BU, 0x09004U, 0x09005U, 0x30080U, 0x02060U, 0x09000U, 0x09001U,
0x09002U, 0x09003U, 0x41042U, 0x08482U, 0x41040U, 0x08480U, 0x00941U, 0x00940U, 0x41044U, 0x00942U, 0x09014U, 0x09015U, 0x02C04U,
0x08488U, 0x09010U, 0x09011U, 0x02C00U, 0x02C01U, 0x00540U, 0x0200AU, 0x02009U, 0x02008U, 0x08882U, 0x0200EU, 0x08880U, 0x0200CU,
0x02003U, 0x02002U, 0x02001U, 0x02000U, 0x02007U, 0x02006U, 0x02005U, 0x02004U, 0x0C200U, 0x0C201U, 0x41020U, 0x02018U, 0x00921U,
0x00920U, 0x41024U, 0x00922U, 0x02013U, 0x02012U, 0x02011U, 0x02010U, 0x02017U, 0x02016U, 0x02015U, 0x02014U, 0x41012U, 0x0202AU,
0x41010U, 0x02028U, 0x26000U, 0x00910U, 0x10600U, 0x10601U, 0x02023U, 0x02022U, 0x02021U, 0x02020U, 0x09040U, 0x40480U, 0x02025U,
0x02024U, 0x41002U, 0x00904U, 0x41000U, 0x41001U, 0x00901U, 0x00900U, 0x41004U, 0x00902U, 0x4100AU, 0x02032U, 0x41008U, 0x02030U,
0x00909U, 0x00908U, 0x28201U, 0x28200U, 0x00580U, 0x14004U, 0x00582U, 0x14006U, 0x14001U, 0x14000U, 0x08840U, 0x14002U, 0x40810U,
0x40811U, 0x30020U, 0x020C0U, 0x14009U, 0x14008U, 0x01111U, 0x01110U, 0x40808U, 0x40809U, 0x08421U, 0x08420U, 0x14011U, 0x14010U,
0x01109U, 0x01108U, 0x40800U, 0x40801U, 0x40802U, 0x01104U, 0x40804U, 0x01102U, 0x01101U, 0x01100U, 0x03801U, 0x03800U, 0x30008U,
0x08410U, 0x14021U, 0x14020U, 0x42100U, 0x42101U, 0x30002U, 0x30003U, 0x30000U, 0x30001U, 0x09080U, 0x40440U, 0x30004U, 0x30005U,
0x08403U, 0x08402U, 0x08401U, 0x08400U, 0x08407U, 0x08406U, 0x08405U, 0x08404U, 0x40820U, 0x40821U, 0x30010U, 0x08408U, 0x40824U,
0x01122U, 0x01121U, 0x01120U, 0x08806U, 0x0208AU, 0x08804U, 0x02088U, 0x08802U, 0x14040U, 0x08800U, 0x08801U, 0x02083U, 0x02082U,
0x02081U, 0x02080U, 0x20300U, 0x40420U, 0x08808U, 0x02084U, 0x03404U, 0x03405U, 0x08814U, 0x02098U, 0x03400U, 0x03401U, 0x08810U,
0x08811U, 0x40840U, 0x40841U, 0x02091U, 0x02090U, 0x40844U, 0x01142U, 0x01141U, 0x01140U, 0x04303U, 0x04302U, 0x04301U, 0x04300U,
0x40409U, 0x40408U, 0x08820U, 0x08821U, 0x40405U, 0x40404U, 0x30040U, 0x020A0U, 0x40401U, 0x40400U, 0x40403U, 0x40402U, 0x41082U,
0x08442U, 0x41080U, 0x08440U, 0x00981U, 0x00980U, 0x41084U, 0x00982U, 0x0A100U, 0x11200U, 0x0A102U, 0x11202U, 0x40411U, 0x40410U,
0x40413U, 0x40412U, 0x00600U, 0x00601U, 0x00602U, 0x00603U, 0x00604U, 0x00605U, 0x00606U, 0x00607U, 0x00608U, 0x05800U, 0x0060AU,
0x05802U, 0x200C0U, 0x12020U, 0x44100U, 0x44101U, 0x00610U, 0x00611U, 0x10901U, 0x10900U, 0x51000U, 0x51001U, 0x51002U, 0x10904U,
0x00618U, 0x05810U, 0x01285U, 0x01284U, 0x51008U, 0x01282U, 0x01281U, 0x01280U, 0x00620U, 0x60100U, 0x040C1U, 0x040C0U, 0x12009U,
0x12008U, 0x21800U, 0x21801U, 0x12005U, 0x12004U, 0x12007U, 0x12006U, 0x12001U, 0x12000U, 0x12003U, 0x12002U, 0x00630U, 0x00A44U,
0x040D1U, 0x040D0U, 0x00A41U, 0x00A40U, 0x21810U, 0x00A42U, 0x12015U, 0x12014U, 0x00000U, 0x12016U, 0x12011U, 0x12010U, 0x12013U,
0x12012U, 0x00640U, 0x00641U, 0x040A1U, 0x040A0U, 0x20088U, 0x20089U, 0x2008AU, 0x040A4U, 0x20084U, 0x20085U, 0x19000U, 0x02300U,
0x20080U, 0x20081U, 0x20082U, 0x20083U, 0x0C100U, 0x0C101U, 0x21401U, 0x21400U, 0x00A21U, 0x00A20U, 0x00A23U, 0x00A22U, 0x20094U,
0x20095U, 0x19010U, 0x21408U, 0x20090U, 0x20091U, 0x20092U, 0x28120U, 0x04083U, 0x04082U, 0x04081U, 0x04080U, 0x00A11U, 0x00A10U,
0x10500U, 0x04084U, 0x200A4U, 0x0408AU, 0x04089U, 0x04088U, 0x200A0U, 0x12040U, 0x200A2U, 0x12042U, 0x00A05U, 0x00A04U, 0x04091U,
0x04090U, 0x00A01U, 0x00A00U, 0x00A03U, 0x00A02U, 0x05404U, 0x00A0CU, 0x28105U, 0x28104U, 0x05400U, 0x00A08U, 0x28101U, 0x28100U,
0x00680U, 0x00681U, 0x04061U, 0x04060U, 0x20048U, 0x20049U, 0x2004AU, 0x04064U, 0x20044U, 0x20045U, 0x50401U, 0x50400U, 0x20040U,
0x20041U, 0x20042U, 0x01210U, 0x68002U, 0x68003U, 0x68000U, 0x68001U, 0x04C02U, 0x0120AU, 0x04C00U, 0x01208U, 0x20054U, 0x01206U,
0x01205U, 0x01204U, 0x20050U, 0x01202U, 0x01201U, 0x01200U, 0x18800U, 0x04042U, 0x04041U, 0x04040U, 0x42202U, 0x04046U, 0x42200U,
0x04044U, 0x20064U, 0x0404AU, 0x04049U, 0x04048U, 0x20060U, 0x12080U, 0x20062U, 0x12082U, 0x18810U, 0x04052U, 0x04051U, 0x04050U,
0x4C009U, 0x4C008U, 0x42210U, 0x04054U, 0x20C01U, 0x20C00U, 0x20C03U, 0x20C02U, 0x4C001U, 0x4C000U, 0x01221U, 0x01220U, 0x2000CU,
0x04022U, 0x04021U, 0x04020U, 0x20008U, 0x20009U, 0x2000AU, 0x04024U, 0x20004U, 0x20005U, 0x20006U, 0x04028U, 0x20000U, 0x20001U,
0x20002U, 0x20003U, 0x2001CU, 0x04032U, 0x04031U, 0x04030U, 0x20018U, 0x18400U, 0x2001AU, 0x18402U, 0x20014U, 0x20015U, 0x20016U,
0x01244U, 0x20010U, 0x20011U, 0x20012U, 0x01240U, 0x04003U, 0x04002U, 0x04001U, 0x04000U, 0x20028U, 0x04006U, 0x04005U, 0x04004U,
0x20024U, 0x0400AU, 0x04009U, 0x04008U, 0x20020U, 0x20021U, 0x20022U, 0x0400CU, 0x04013U, 0x04012U, 0x04011U, 0x04010U, 0x00A81U,
0x00A80U, 0x04015U, 0x04014U, 0x0A200U, 0x11100U, 0x04019U, 0x04018U, 0x20030U, 0x20031U, 0x50800U, 0x50801U, 0x00700U, 0x60020U,
0x10811U, 0x10810U, 0x4400AU, 0x60024U, 0x44008U, 0x44009U, 0x44006U, 0x02242U, 0x44004U, 0x02240U, 0x44002U, 0x44003U, 0x44000U,
0x44001U, 0x0C040U, 0x10802U, 0x10801U, 0x10800U, 0x0C044U, 0x10806U, 0x10805U, 0x10804U, 0x23000U, 0x23001U, 0x10809U, 0x10808U,
0x44012U, 0x44013U, 0x44010U, 0x44011U, 0x60001U, 0x60000U, 0x60003U, 0x60002U, 0x60005U, 0x60004U, 0x10440U, 0x10441U, 0x60009U,
0x60008U, 0x44024U, 0x6000AU, 0x09200U, 0x12100U, 0x44020U, 0x44021U, 0x60011U, 0x60010U, 0x10821U, 0x10820U, 0x07003U, 0x07002U,
0x07001U, 0x07000U, 0x23020U, 0x60018U, 0x28045U, 0x28044U, 0x09210U, 0x28042U, 0x28041U, 0x28040U, 0x0C010U, 0x0C011U, 0x02209U,
0x02208U, 0x10422U, 0x10423U, 0x10420U, 0x10421U, 0x02203U, 0x02202U, 0x02201U, 0x02200U, 0x20180U, 0x20181U, 0x44040U, 0x02204U,
0x0C000U, 0x0C001U, 0x0C002U, 0x10840U, 0x0C004U, 0x0C005U, 0x0C006U, 0x10844U, 0x0C008U, 0x0C009U, 0x02211U, 0x02210U, 0x0C00CU,
0x28022U, 0x28021U, 0x28020U, 0x60041U, 0x60040U, 0x10404U, 0x04180U, 0x10402U, 0x10403U, 0x10400U, 0x10401U, 0x02223U, 0x02222U,
0x02221U, 0x02220U, 0x1040AU, 0x28012U, 0x10408U, 0x28010U, 0x0C020U, 0x0C021U, 0x41200U, 0x41201U, 0x00B01U, 0x00B00U, 0x10410U,
0x28008U, 0x11081U, 0x11080U, 0x28005U, 0x28004U, 0x28003U, 0x28002U, 0x28001U, 0x28000U, 0x52040U, 0x14204U, 0x22405U, 0x22404U,
0x14201U, 0x14200U, 0x22401U, 0x22400U, 0x20144U, 0x20145U, 0x44084U, 0x022C0U, 0x20140U, 0x20141U, 0x44080U, 0x44081U, 0x40A08U,
0x10882U, 0x10881U, 0x10880U, 0x14211U, 0x14210U, 0x1A008U, 0x10884U, 0x40A00U, 0x40A01U, 0x40A02U, 0x01304U, 0x1A002U, 0x01302U,
0x1A000U, 0x01300U, 0x60081U, 0x60080U, 0x04141U, 0x04140U, 0x60085U, 0x60084U, 0x104C0U, 0x04144U, 0x06400U, 0x06401U, 0x30200U,
0x30201U, 0x06404U, 0x40640U, 0x30204U, 0x30205U, 0x08603U, 0x08602U, 0x08601U, 0x08600U, 0x00000U, 0x08606U, 0x08605U, 0x08604U,
0x11041U, 0x11040U, 0x30210U, 0x11042U, 0x11045U, 0x11044U, 0x1A020U, 0x01320U, 0x52000U, 0x52001U, 0x04121U, 0x04120U, 0x20108U,
0x20109U, 0x08A00U, 0x08A01U, 0x20104U, 0x20105U, 0x02281U, 0x02280U, 0x20100U, 0x20101U, 0x20102U, 0x20103U, 0x0C080U, 0x0C081U,
0x0C082U, 0x04130U, 0x0C084U, 0x06808U, 0x08A10U, 0x08A11U, 0x11021U, 0x11020U, 0x11023U, 0x11022U, 0x20110U, 0x06800U, 0x20112U,
0x06802U, 0x04103U, 0x04102U, 0x04101U, 0x04100U, 0x10482U, 0x04106U, 0x10480U, 0x04104U, 0x11011U, 0x11010U, 0x04109U, 0x04108U,
0x20120U, 0x40600U, 0x20122U, 0x40602U, 0x11009U, 0x11008U, 0x22800U, 0x04110U, 0x1100DU, 0x1100CU, 0x22804U, 0x04114U, 0x11001U,
0x11000U, 0x11003U, 0x11002U, 0x11005U, 0x11004U, 0x28081U, 0x28080U};
#define X18 0x00040000 /* vector representation of X^{18} */
#define X11 0x00000800 /* vector representation of X^{11} */
#define MASK8 0xfffff800 /* auxiliary vector for testing */
#define GENPOL 0x00000c75 /* generator polinomial, g(x) */
unsigned int CGolay2087::getSyndrome1987(unsigned int pattern)
/*
* Compute the syndrome corresponding to the given pattern, i.e., the
* remainder after dividing the pattern (when considering it as the vector
* representation of a polynomial) by the generator polynomial, GENPOL.
* In the program this pattern has several meanings: (1) pattern = infomation
* bits, when constructing the encoding table; (2) pattern = error pattern,
* when constructing the decoding table; and (3) pattern = received vector, to
* obtain its syndrome in decoding.
*/
{
unsigned int aux = X18;
if (pattern >= X11) {
while (pattern & MASK8) {
while (!(aux & pattern))
aux = aux >> 1;
pattern ^= (aux / X11) * GENPOL;
}
}
return pattern;
}
unsigned char CGolay2087::decode(const unsigned char* data)
{
assert(data != NULL);
unsigned int code = (data[0U] << 11) + (data[1U] << 3) + (data[2U] >> 5);
unsigned int syndrome = getSyndrome1987(code);
unsigned int error_pattern = DECODING_TABLE_1987[syndrome];
if (error_pattern != 0x00U)
code ^= error_pattern;
return code >> 11;
}
void CGolay2087::encode(unsigned char* data)
{
assert(data != NULL);
unsigned int value = data[0U];
unsigned int cksum = ENCODING_TABLE_2087[value];
data[1U] = cksum & 0xFFU;
data[2U] = cksum >> 8;
}

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/*
* Copyright (C) 2015 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef Golay2087_H
#define Golay2087_H
class CGolay2087 {
public:
static void encode(unsigned char* data);
static unsigned char decode(const unsigned char* data);
private:
static unsigned int getSyndrome1987(unsigned int pattern);
};
#endif

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/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "chamming.h"
#include <cstdio>
#include <cassert>
// Hamming (15,11,3) check a boolean data array
bool CHamming::decode15113_1(bool* d)
{
assert(d != NULL);
// Calculate the parity it should have
bool c0 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[6];
bool c1 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[7] ^ d[8] ^ d[9];
bool c2 = d[0] ^ d[1] ^ d[4] ^ d[5] ^ d[7] ^ d[8] ^ d[10];
bool c3 = d[0] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[9] ^ d[10];
unsigned char n = 0U;
n |= (c0 != d[11]) ? 0x01U : 0x00U;
n |= (c1 != d[12]) ? 0x02U : 0x00U;
n |= (c2 != d[13]) ? 0x04U : 0x00U;
n |= (c3 != d[14]) ? 0x08U : 0x00U;
switch (n)
{
// Parity bit errors
case 0x01U: d[11] = !d[11]; return true;
case 0x02U: d[12] = !d[12]; return true;
case 0x04U: d[13] = !d[13]; return true;
case 0x08U: d[14] = !d[14]; return true;
// Data bit errors
case 0x0FU: d[0] = !d[0]; return true;
case 0x07U: d[1] = !d[1]; return true;
case 0x0BU: d[2] = !d[2]; return true;
case 0x03U: d[3] = !d[3]; return true;
case 0x0DU: d[4] = !d[4]; return true;
case 0x05U: d[5] = !d[5]; return true;
case 0x09U: d[6] = !d[6]; return true;
case 0x0EU: d[7] = !d[7]; return true;
case 0x06U: d[8] = !d[8]; return true;
case 0x0AU: d[9] = !d[9]; return true;
case 0x0CU: d[10] = !d[10]; return true;
// No bit errors
default: return false;
}
}
void CHamming::encode15113_1(bool* d)
{
assert(d != NULL);
// Calculate the checksum this row should have
d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[6];
d[12] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[7] ^ d[8] ^ d[9];
d[13] = d[0] ^ d[1] ^ d[4] ^ d[5] ^ d[7] ^ d[8] ^ d[10];
d[14] = d[0] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[9] ^ d[10];
}
// Hamming (15,11,3) check a boolean data array
bool CHamming::decode15113_2(bool* d)
{
assert(d != NULL);
// Calculate the checksum this row should have
bool c0 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
bool c1 = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9];
bool c2 = d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[10];
bool c3 = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[10];
unsigned char n = 0x00U;
n |= (c0 != d[11]) ? 0x01U : 0x00U;
n |= (c1 != d[12]) ? 0x02U : 0x00U;
n |= (c2 != d[13]) ? 0x04U : 0x00U;
n |= (c3 != d[14]) ? 0x08U : 0x00U;
switch (n) {
// Parity bit errors
case 0x01U: d[11] = !d[11]; return true;
case 0x02U: d[12] = !d[12]; return true;
case 0x04U: d[13] = !d[13]; return true;
case 0x08U: d[14] = !d[14]; return true;
// Data bit errors
case 0x09U: d[0] = !d[0]; return true;
case 0x0BU: d[1] = !d[1]; return true;
case 0x0FU: d[2] = !d[2]; return true;
case 0x07U: d[3] = !d[3]; return true;
case 0x0EU: d[4] = !d[4]; return true;
case 0x05U: d[5] = !d[5]; return true;
case 0x0AU: d[6] = !d[6]; return true;
case 0x0DU: d[7] = !d[7]; return true;
case 0x03U: d[8] = !d[8]; return true;
case 0x06U: d[9] = !d[9]; return true;
case 0x0CU: d[10] = !d[10]; return true;
// No bit errors
default: return false;
}
}
void CHamming::encode15113_2(bool* d)
{
assert(d != NULL);
// Calculate the checksum this row should have
d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
d[12] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9];
d[13] = d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[10];
d[14] = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[10];
}
// Hamming (13,9,3) check a boolean data array
bool CHamming::decode1393(bool* d)
{
assert(d != NULL);
// Calculate the checksum this column should have
bool c0 = d[0] ^ d[1] ^ d[3] ^ d[5] ^ d[6];
bool c1 = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7];
bool c2 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
bool c3 = d[0] ^ d[2] ^ d[4] ^ d[5] ^ d[8];
unsigned char n = 0x00U;
n |= (c0 != d[9]) ? 0x01U : 0x00U;
n |= (c1 != d[10]) ? 0x02U : 0x00U;
n |= (c2 != d[11]) ? 0x04U : 0x00U;
n |= (c3 != d[12]) ? 0x08U : 0x00U;
switch (n) {
// Parity bit errors
case 0x01U: d[9] = !d[9]; return true;
case 0x02U: d[10] = !d[10]; return true;
case 0x04U: d[11] = !d[11]; return true;
case 0x08U: d[12] = !d[12]; return true;
// Data bit erros
case 0x0FU: d[0] = !d[0]; return true;
case 0x07U: d[1] = !d[1]; return true;
case 0x0EU: d[2] = !d[2]; return true;
case 0x05U: d[3] = !d[3]; return true;
case 0x0AU: d[4] = !d[4]; return true;
case 0x0DU: d[5] = !d[5]; return true;
case 0x03U: d[6] = !d[6]; return true;
case 0x06U: d[7] = !d[7]; return true;
case 0x0CU: d[8] = !d[8]; return true;
// No bit errors
default: return false;
}
}
void CHamming::encode1393(bool* d)
{
assert(d != NULL);
// Calculate the checksum this column should have
d[9] = d[0] ^ d[1] ^ d[3] ^ d[5] ^ d[6];
d[10] = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7];
d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
d[12] = d[0] ^ d[2] ^ d[4] ^ d[5] ^ d[8];
}
// Hamming (10,6,3) check a boolean data array
bool CHamming::decode1063(bool* d)
{
assert(d != NULL);
// Calculate the checksum this column should have
bool c0 = d[0] ^ d[1] ^ d[2] ^ d[5];
bool c1 = d[0] ^ d[1] ^ d[3] ^ d[5];
bool c2 = d[0] ^ d[2] ^ d[3] ^ d[4];
bool c3 = d[1] ^ d[2] ^ d[3] ^ d[4];
unsigned char n = 0x00U;
n |= (c0 != d[6]) ? 0x01U : 0x00U;
n |= (c1 != d[7]) ? 0x02U : 0x00U;
n |= (c2 != d[8]) ? 0x04U : 0x00U;
n |= (c3 != d[9]) ? 0x08U : 0x00U;
switch (n) {
// Parity bit errors
case 0x01U: d[6] = !d[6]; return true;
case 0x02U: d[7] = !d[7]; return true;
case 0x04U: d[8] = !d[8]; return true;
case 0x08U: d[9] = !d[9]; return true;
// Data bit erros
case 0x07U: d[0] = !d[0]; return true;
case 0x0BU: d[1] = !d[1]; return true;
case 0x0DU: d[2] = !d[2]; return true;
case 0x0EU: d[3] = !d[3]; return true;
case 0x0CU: d[4] = !d[4]; return true;
case 0x03U: d[5] = !d[5]; return true;
// No bit errors
default: return false;
}
}
void CHamming::encode1063(bool* d)
{
assert(d != NULL);
// Calculate the checksum this column should have
d[6] = d[0] ^ d[1] ^ d[2] ^ d[5];
d[7] = d[0] ^ d[1] ^ d[3] ^ d[5];
d[8] = d[0] ^ d[2] ^ d[3] ^ d[4];
d[9] = d[1] ^ d[2] ^ d[3] ^ d[4];
}
// A Hamming (16,11,4) Check
bool CHamming::decode16114(bool* d)
{
assert(d != NULL);
// Calculate the checksum this column should have
bool c0 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
bool c1 = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9];
bool c2 = d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[10];
bool c3 = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[10];
bool c4 = d[0] ^ d[2] ^ d[5] ^ d[6] ^ d[8] ^ d[9] ^ d[10];
// Compare these with the actual bits
unsigned char n = 0x00U;
n |= (c0 != d[11]) ? 0x01U : 0x00U;
n |= (c1 != d[12]) ? 0x02U : 0x00U;
n |= (c2 != d[13]) ? 0x04U : 0x00U;
n |= (c3 != d[14]) ? 0x08U : 0x00U;
n |= (c4 != d[15]) ? 0x10U : 0x00U;
switch (n) {
// Parity bit errors
case 0x01U: d[11] = !d[11]; return true;
case 0x02U: d[12] = !d[12]; return true;
case 0x04U: d[13] = !d[13]; return true;
case 0x08U: d[14] = !d[14]; return true;
case 0x10U: d[15] = !d[15]; return true;
// Data bit errors
case 0x19U: d[0] = !d[0]; return true;
case 0x0BU: d[1] = !d[1]; return true;
case 0x1FU: d[2] = !d[2]; return true;
case 0x07U: d[3] = !d[3]; return true;
case 0x0EU: d[4] = !d[4]; return true;
case 0x15U: d[5] = !d[5]; return true;
case 0x1AU: d[6] = !d[6]; return true;
case 0x0DU: d[7] = !d[7]; return true;
case 0x13U: d[8] = !d[8]; return true;
case 0x16U: d[9] = !d[9]; return true;
case 0x1CU: d[10] = !d[10]; return true;
// No bit errors
case 0x00U: return true;
// Unrecoverable errors
default: return false;
}
}
void CHamming::encode16114(bool* d)
{
assert(d != NULL);
d[11] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[5] ^ d[7] ^ d[8];
d[12] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[6] ^ d[8] ^ d[9];
d[13] = d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[7] ^ d[9] ^ d[10];
d[14] = d[0] ^ d[1] ^ d[2] ^ d[4] ^ d[6] ^ d[7] ^ d[10];
d[15] = d[0] ^ d[2] ^ d[5] ^ d[6] ^ d[8] ^ d[9] ^ d[10];
}
// A Hamming (17,12,3) Check
bool CHamming::decode17123(bool* d)
{
assert(d != NULL);
// Calculate the checksum this column should have
bool c0 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[6] ^ d[7] ^ d[9];
bool c1 = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[7] ^ d[8] ^ d[10];
bool c2 = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[8] ^ d[9] ^ d[11];
bool c3 = d[0] ^ d[1] ^ d[4] ^ d[5] ^ d[7] ^ d[10];
bool c4 = d[0] ^ d[1] ^ d[2] ^ d[5] ^ d[6] ^ d[8] ^ d[11];
// Compare these with the actual bits
unsigned char n = 0x00U;
n |= (c0 != d[12]) ? 0x01U : 0x00U;
n |= (c1 != d[13]) ? 0x02U : 0x00U;
n |= (c2 != d[14]) ? 0x04U : 0x00U;
n |= (c3 != d[15]) ? 0x08U : 0x00U;
n |= (c4 != d[16]) ? 0x10U : 0x00U;
switch (n) {
// Parity bit errors
case 0x01U: d[12] = !d[12]; return true;
case 0x02U: d[13] = !d[13]; return true;
case 0x04U: d[14] = !d[14]; return true;
case 0x08U: d[15] = !d[15]; return true;
case 0x10U: d[16] = !d[16]; return true;
// Data bit errors
case 0x1BU: d[0] = !d[0]; return true;
case 0x1FU: d[1] = !d[1]; return true;
case 0x17U: d[2] = !d[2]; return true;
case 0x07U: d[3] = !d[3]; return true;
case 0x0EU: d[4] = !d[4]; return true;
case 0x1CU: d[5] = !d[5]; return true;
case 0x11U: d[6] = !d[6]; return true;
case 0x0BU: d[7] = !d[7]; return true;
case 0x16U: d[8] = !d[8]; return true;
case 0x05U: d[9] = !d[9]; return true;
case 0x0AU: d[10] = !d[10]; return true;
case 0x14U: d[11] = !d[11]; return true;
// No bit errors
case 0x00U: return true;
// Unrecoverable errors
default: return false;
}
}
void CHamming::encode17123(bool* d)
{
assert(d != NULL);
d[12] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[6] ^ d[7] ^ d[9];
d[13] = d[0] ^ d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[7] ^ d[8] ^ d[10];
d[14] = d[1] ^ d[2] ^ d[3] ^ d[4] ^ d[5] ^ d[8] ^ d[9] ^ d[11];
d[15] = d[0] ^ d[1] ^ d[4] ^ d[5] ^ d[7] ^ d[10];
d[16] = d[0] ^ d[1] ^ d[2] ^ d[5] ^ d[6] ^ d[8] ^ d[11];
}

43
src/chamming.h Normal file
View File

@ -0,0 +1,43 @@
/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef Hamming_H
#define Hamming_H
class CHamming {
public:
static void encode15113_1(bool* d);
static bool decode15113_1(bool* d);
static void encode15113_2(bool* d);
static bool decode15113_2(bool* d);
static void encode1393(bool* d);
static bool decode1393(bool* d);
static void encode1063(bool* d);
static bool decode1063(bool* d);
static void encode16114(bool* d);
static bool decode16114(bool* d);
static void encode17123(bool* d);
static bool decode17123(bool* d);
};
#endif

6
src/cip.h
View File

@ -44,7 +44,11 @@ public:
// sockaddr
void SetSockAddr(struct sockaddr_in *);
struct sockaddr_in *GetSockAddr(void) { return &m_Addr; }
struct sockaddr_in *GetSockAddr(void) { return &m_Addr; }
// convertor
uint32 GetAddr(void) const { return m_Addr.sin_addr.s_addr; }
uint16 GetPort(void) const { return m_Addr.sin_port; }
// operator
bool operator ==(const CIp &) const;

45
src/cpacket.cpp
View File

@ -25,21 +25,36 @@
#include "main.h"
#include "cpacket.h"
////////////////////////////////////////////////////////////////////////////////////////
// constructor
CPacket::CPacket()
{
m_uiStreamId = 0;
m_uiPacketId = 0;
m_uiDstarPacketId = 0;
m_uiDmrPacketId = 0;
m_uiModuleId = ' ';
m_uiOriginId = ORIGIN_LOCAL;
};
CPacket::CPacket(uint16 sid, uint8 pid)
CPacket::CPacket(uint16 sid, uint8 dstarpid)
{
m_uiStreamId = sid;
m_uiPacketId = pid;
m_uiDstarPacketId = dstarpid;
m_uiDmrPacketId = 0xFF;
m_uiDmrPacketSubid = 0xFF;
m_uiModuleId = ' ';
m_uiOriginId = ORIGIN_LOCAL;
};
CPacket::CPacket(uint16 sid, uint8 dmrpid, uint8 dmrspid)
{
m_uiStreamId = sid;
m_uiDmrPacketId = dmrpid;
m_uiDmrPacketSubid = dmrspid;
m_uiDstarPacketId = 0xFF;
m_uiModuleId = ' ';
m_uiOriginId = ORIGIN_LOCAL;
};
@ -51,3 +66,27 @@ CPacket *CPacket::Duplicate(void) const
{
return new CPacket(*this);
}
////////////////////////////////////////////////////////////////////////////////////////
// pid conversion
void CPacket::UpdatePids(uint32 pid)
{
// called while phusing this packet in a stream queue
// so now packet sequence number is known and undefined pids can be updated
// this is needed as dtsar & dmt pids are different and cannot be
// derived from each other
// dstar pid needs update ?
if ( m_uiDstarPacketId == 0xFF )
{
m_uiDstarPacketId = (pid % 21);
}
// dmr pids need update ?
if ( m_uiDmrPacketId == 0xFF )
{
m_uiDmrPacketId = ((pid / 3) % 6);
m_uiDmrPacketSubid = ((pid % 3) + 1);
}
}

36
src/cpacket.h
View File

@ -40,7 +40,8 @@ class CPacket
public:
// constructor
CPacket();
CPacket(uint16 sid, uint8 pid);
CPacket(uint16 sid, uint8 dstarpid);
CPacket(uint16 sid, uint8 dmrpid, uint8 dmrsubpid);
// destructor
virtual ~CPacket() {};
@ -49,26 +50,33 @@ public:
virtual CPacket *Duplicate(void) const;
// identity
virtual bool IsDvHeader(void) const { return false; }
virtual bool IsDvFrame(void) const { return false; }
virtual bool IsLastPacket(void) const { return false; }
virtual bool IsDvHeader(void) const { return false; }
virtual bool IsDvFrame(void) const { return false; }
virtual bool IsLastPacket(void) const { return false; }
virtual bool HaveTranscodableAmbe(void) const { return false; }
// get
virtual bool IsValid(void) const { return true; }
uint16 GetStreamId(void) const { return m_uiStreamId; }
uint8 GetPacketId(void) const { return m_uiPacketId; }
uint8 GetModuleId(void) const { return m_uiModuleId; }
bool IsLocalOrigin(void) const { return (m_uiOriginId == ORIGIN_LOCAL); }
virtual bool IsValid(void) const { return true; }
uint16 GetStreamId(void) const { return m_uiStreamId; }
uint8 GetPacketId(void) const { return m_uiDstarPacketId; }
uint8 GetDstarPacketId(void) const { return m_uiDstarPacketId; }
uint8 GetDmrPacketId(void) const { return m_uiDmrPacketId; }
uint8 GetDmrPacketSubid(void) const { return m_uiDmrPacketSubid; }
uint8 GetModuleId(void) const { return m_uiModuleId; }
bool IsLocalOrigin(void) const { return (m_uiOriginId == ORIGIN_LOCAL); }
// set
void SetModuleId(uint8 uiId) { m_uiModuleId = uiId; }
void SetLocalOrigin(void) { m_uiOriginId = ORIGIN_LOCAL; }
void SetRemotePeerOrigin(void) { m_uiOriginId = ORIGIN_PEER; }
void UpdatePids(uint32);
void SetModuleId(uint8 uiId) { m_uiModuleId = uiId; }
void SetLocalOrigin(void) { m_uiOriginId = ORIGIN_LOCAL; }
void SetRemotePeerOrigin(void) { m_uiOriginId = ORIGIN_PEER; }
protected:
// data
uint16 m_uiStreamId;
uint8 m_uiPacketId;
uint8 m_uiDstarPacketId;
uint8 m_uiDmrPacketId;
uint8 m_uiDmrPacketSubid;
uint8 m_uiModuleId;
uint8 m_uiOriginId;
};

2
src/cpacketqueue.h
View File

@ -33,6 +33,8 @@
////////////////////////////////////////////////////////////////////////////////////////
// CPacketQueue
class CClient;
class CPacketQueue : public std::queue<CPacket *>
{
public:

50
src/cpacketstream.cpp
View File

@ -32,7 +32,9 @@ CPacketStream::CPacketStream()
{
m_bOpen = false;
m_uiStreamId = 0;
m_uiPacketCntr = 0;
m_OwnerClient = NULL;
m_CodecStream = NULL;
}
////////////////////////////////////////////////////////////////////////////////////////
@ -48,9 +50,11 @@ bool CPacketStream::Open(const CDvHeaderPacket &DvHeader, CClient *client)
// update status
m_bOpen = true;
m_uiStreamId = DvHeader.GetStreamId();
m_uiPacketCntr = 0;
m_DvHeader = DvHeader;
m_OwnerClient = client;
m_LastPacketTime.Now();
m_CodecStream = g_Transcoder.GetStream(this, client->GetCodec());
ok = true;
}
return ok;
@ -62,6 +66,8 @@ void CPacketStream::Close(void)
m_bOpen = false;
m_uiStreamId = 0;
m_OwnerClient = NULL;
g_Transcoder.ReleaseStream(m_CodecStream);
m_CodecStream = NULL;
}
////////////////////////////////////////////////////////////////////////////////////////
@ -69,8 +75,50 @@ void CPacketStream::Close(void)
void CPacketStream::Push(CPacket *Packet)
{
// update stream dependent packet data
m_LastPacketTime.Now();
push(Packet);
Packet->UpdatePids(m_uiPacketCntr++);
// transcoder avaliable ?
if ( m_CodecStream != NULL )
{
// todo: verify no possibilty of double lock here
m_CodecStream->Lock();
{
// transcoder ready & frame need transcoding ?
if ( m_CodecStream->IsConnected() && Packet->HaveTranscodableAmbe() )
{
// yes, push packet to trancoder queue
// trancoder will push it after transcoding
// is completed
m_CodecStream->push(Packet);
}
else
{
// no, just bypass tarnscoder
push(Packet);
}
}
m_CodecStream->Unlock();
}
else
{
// otherwise, push direct push
push(Packet);
}
}
bool CPacketStream::IsEmpty(void) const
{
bool bEmpty = empty();
// also check no packets still in Codec stream's queue
if ( bEmpty && (m_CodecStream != NULL) )
{
bEmpty &= m_CodecStream->IsEmpty();
}
// done
return bEmpty;
}
////////////////////////////////////////////////////////////////////////////////////////

7
src/cpacketstream.h
View File

@ -28,10 +28,12 @@
#include "cpacketqueue.h"
#include "ctimepoint.h"
#include "cdvheaderpacket.h"
#include "ctranscoder.h"
////////////////////////////////////////////////////////////////////////////////////////
#define STREAM_TIMEOUT (0.200)
//#define STREAM_TIMEOUT (0.600)
#define STREAM_TIMEOUT (1.600)
////////////////////////////////////////////////////////////////////////////////////////
// class
@ -52,6 +54,7 @@ public:
// push & pop
void Push(CPacket *);
void Tickle(void) { m_LastPacketTime.Now(); }
bool IsEmpty(void) const;
// get
CClient *GetOwnerClient(void) { return m_OwnerClient; }
@ -65,9 +68,11 @@ protected:
// data
bool m_bOpen;
uint16 m_uiStreamId;
uint32 m_uiPacketCntr;
CClient *m_OwnerClient;
CTimePoint m_LastPacketTime;
CDvHeaderPacket m_DvHeader;
CCodecStream *m_CodecStream;
};
////////////////////////////////////////////////////////////////////////////////////////

2
src/cpeers.cpp
View File

@ -85,7 +85,7 @@ void CPeers::AddPeer(CPeer *peer)
// append peer to reflector peer list
m_Peers.push_back(peer);
std::cout << "New peer " << peer->GetCallsign() << " at " << peer->GetIp()
<< " added with protocol " << peer->GetProtocolName() << std::endl;
<< " added with protocol " << peer->GetProtocol() << std::endl;
// and append all peer's client to reflector client list
// it is double lock safe to lock Clients list after Peers list
CClients *clients = g_Reflector.GetClients();

15
src/cprotocol.cpp
View File

@ -140,7 +140,7 @@ void CProtocol::OnDvFramePacketIn(CDvFramePacket *Frame, const CIp *Ip)
CPacketStream *stream = GetStream(Frame->GetStreamId(), Ip);
if ( stream != NULL )
{
//std::cout << "DV frame" << std::endl;
//std::cout << "DV frame" << "from " << *Ip << std::endl;
// and push
stream->Lock();
stream->Push(Frame);
@ -241,4 +241,17 @@ bool CProtocol::IsSpace(char c) const
return (c == ' ');
}
////////////////////////////////////////////////////////////////////////////////////////
// DestId to Module helper
char CProtocol::DmrDstIdToModule(uint32 tg) const
{
return ((char)((tg % 26)-1) + 'A');
}
uint32 CProtocol::ModuleToDmrDestId(char m) const
{
return (uint32)(m - 'A')+1;
}

36
src/cprotocol.h
View File

@ -33,6 +33,35 @@
////////////////////////////////////////////////////////////////////////////////////////
// DMR defines
// slot n'
#define DMR_SLOT1 1
#define DMR_SLOT2 2
// call type
#define DMR_GROUP_CALL 0
#define DMR_PRIVATE_CALL 1
// frame type
#define DMR_FRAMETYPE_VOICE 0
#define DMR_FRAMETYPE_VOICESYNC 1
#define DMR_FRAMETYPE_DATA 2
#define DMR_FRAMETYPE_DATASYNC 3
// data type
#define DMR_DT_VOICE_PI_HEADER 0
#define DMR_DT_VOICE_LC_HEADER 1
#define DMR_DT_TERMINATOR_WITH_LC 2
#define DMR_DT_CSBK 3
#define DMR_DT_DATA_HEADER 6
#define DMR_DT_RATE_12_DATA 7
#define DMR_DT_RATE_34_DATA 8
#define DMR_DT_IDLE 9
#define DMR_DT_RATE_1_DATA 10
// CRC masks
#define DMR_VOICE_LC_HEADER_CRC_MASK 0x96
#define DMR_TERMINATOR_WITH_LC_CRC_MASK 0x99
#define DMR_PI_HEADER_CRC_MASK 0x69
#define DMR_DATA_HEADER_CRC_MASK 0xCC
#define DMR_CSBK_CRC_MASK 0xA5
////////////////////////////////////////////////////////////////////////////////////////
// class
@ -87,6 +116,10 @@ protected:
bool IsNumber(char) const;
bool IsLetter(char) const;
bool IsSpace(char) const;
// dmr DstId to Module helper
virtual char DmrDstIdToModule(uint32) const;
virtual uint32 ModuleToDmrDestId(char) const;
protected:
// socket
@ -104,6 +137,9 @@ protected:
// identity
CCallsign m_ReflectorCallsign;
// debug
CTimePoint m_DebugTimer;
};
////////////////////////////////////////////////////////////////////////////////////////

12
src/cprotocols.cpp
View File

@ -27,6 +27,8 @@
#include "cdplusprotocol.h"
#include "cdcsprotocol.h"
#include "cxlxprotocol.h"
#include "cdmrplusprotocol.h"
#include "cdmrmmdvmprotocol.h"
#include "cprotocols.h"
@ -84,6 +86,16 @@ bool CProtocols::Init(void)
delete m_Protocols[3];
m_Protocols[3] = new CXlxProtocol;
ok &= m_Protocols[3]->Init();
// create and initialize DMRPLUS
delete m_Protocols[4];
m_Protocols[4] = new CDmrplusProtocol;
ok &= m_Protocols[4]->Init();
// create and initialize DMRMMDVM
delete m_Protocols[5];
m_Protocols[5] = new CDmrmmdvmProtocol;
ok &= m_Protocols[5]->Init();
}
m_Mutex.unlock();

114
src/cqr1676.cpp Normal file
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@ -0,0 +1,114 @@
/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cqr1676.h"
#include <cstdio>
#include <cassert>
const unsigned int ENCODING_TABLE_1676[] =
{0x0000U, 0x0273U, 0x04E5U, 0x0696U, 0x09C9U, 0x0BBAU, 0x0D2CU, 0x0F5FU, 0x11E2U, 0x1391U, 0x1507U, 0x1774U,
0x182BU, 0x1A58U, 0x1CCEU, 0x1EBDU, 0x21B7U, 0x23C4U, 0x2552U, 0x2721U, 0x287EU, 0x2A0DU, 0x2C9BU, 0x2EE8U,
0x3055U, 0x3226U, 0x34B0U, 0x36C3U, 0x399CU, 0x3BEFU, 0x3D79U, 0x3F0AU, 0x411EU, 0x436DU, 0x45FBU, 0x4788U,
0x48D7U, 0x4AA4U, 0x4C32U, 0x4E41U, 0x50FCU, 0x528FU, 0x5419U, 0x566AU, 0x5935U, 0x5B46U, 0x5DD0U, 0x5FA3U,
0x60A9U, 0x62DAU, 0x644CU, 0x663FU, 0x6960U, 0x6B13U, 0x6D85U, 0x6FF6U, 0x714BU, 0x7338U, 0x75AEU, 0x77DDU,
0x7882U, 0x7AF1U, 0x7C67U, 0x7E14U, 0x804FU, 0x823CU, 0x84AAU, 0x86D9U, 0x8986U, 0x8BF5U, 0x8D63U, 0x8F10U,
0x91ADU, 0x93DEU, 0x9548U, 0x973BU, 0x9864U, 0x9A17U, 0x9C81U, 0x9EF2U, 0xA1F8U, 0xA38BU, 0xA51DU, 0xA76EU,
0xA831U, 0xAA42U, 0xACD4U, 0xAEA7U, 0xB01AU, 0xB269U, 0xB4FFU, 0xB68CU, 0xB9D3U, 0xBBA0U, 0xBD36U, 0xBF45U,
0xC151U, 0xC322U, 0xC5B4U, 0xC7C7U, 0xC898U, 0xCAEBU, 0xCC7DU, 0xCE0EU, 0xD0B3U, 0xD2C0U, 0xD456U, 0xD625U,
0xD97AU, 0xDB09U, 0xDD9FU, 0xDFECU, 0xE0E6U, 0xE295U, 0xE403U, 0xE670U, 0xE92FU, 0xEB5CU, 0xEDCAU, 0xEFB9U,
0xF104U, 0xF377U, 0xF5E1U, 0xF792U, 0xF8CDU, 0xFABEU, 0xFC28U, 0xFE5BU};
const unsigned int DECODING_TABLE_1576[] =
{0x0000U, 0x0001U, 0x0002U, 0x0003U, 0x0004U, 0x0005U, 0x0006U, 0x4020U, 0x0008U, 0x0009U, 0x000AU, 0x000BU,
0x000CU, 0x000DU, 0x2081U, 0x2080U, 0x0010U, 0x0011U, 0x0012U, 0x0013U, 0x0014U, 0x0C00U, 0x0016U, 0x0C02U,
0x0018U, 0x0120U, 0x001AU, 0x0122U, 0x4102U, 0x0124U, 0x4100U, 0x4101U, 0x0020U, 0x0021U, 0x0022U, 0x4004U,
0x0024U, 0x4002U, 0x4001U, 0x4000U, 0x0028U, 0x0110U, 0x1800U, 0x1801U, 0x002CU, 0x400AU, 0x4009U, 0x4008U,
0x0030U, 0x0108U, 0x0240U, 0x0241U, 0x0034U, 0x4012U, 0x4011U, 0x4010U, 0x0101U, 0x0100U, 0x0103U, 0x0102U,
0x0105U, 0x0104U, 0x1401U, 0x1400U, 0x0040U, 0x0041U, 0x0042U, 0x0043U, 0x0044U, 0x0045U, 0x0046U, 0x4060U,
0x0048U, 0x0049U, 0x0301U, 0x0300U, 0x004CU, 0x1600U, 0x0305U, 0x0304U, 0x0050U, 0x0051U, 0x0220U, 0x0221U,
0x3000U, 0x4200U, 0x3002U, 0x4202U, 0x0058U, 0x1082U, 0x1081U, 0x1080U, 0x3008U, 0x4208U, 0x2820U, 0x1084U,
0x0060U, 0x0061U, 0x0210U, 0x0211U, 0x0480U, 0x0481U, 0x4041U, 0x4040U, 0x0068U, 0x2402U, 0x2401U, 0x2400U,
0x0488U, 0x3100U, 0x2810U, 0x2404U, 0x0202U, 0x0880U, 0x0200U, 0x0201U, 0x0206U, 0x0884U, 0x0204U, 0x0205U,
0x0141U, 0x0140U, 0x0208U, 0x0209U, 0x2802U, 0x0144U, 0x2800U, 0x2801U, 0x0080U, 0x0081U, 0x0082U, 0x0A00U,
0x0084U, 0x0085U, 0x2009U, 0x2008U, 0x0088U, 0x0089U, 0x2005U, 0x2004U, 0x2003U, 0x2002U, 0x2001U, 0x2000U,
0x0090U, 0x0091U, 0x0092U, 0x1048U, 0x0602U, 0x0C80U, 0x0600U, 0x0601U, 0x0098U, 0x1042U, 0x1041U, 0x1040U,
0x2013U, 0x2012U, 0x2011U, 0x2010U, 0x00A0U, 0x00A1U, 0x00A2U, 0x4084U, 0x0440U, 0x0441U, 0x4081U, 0x4080U,
0x6000U, 0x1200U, 0x6002U, 0x1202U, 0x6004U, 0x2022U, 0x2021U, 0x2020U, 0x0841U, 0x0840U, 0x2104U, 0x0842U,
0x2102U, 0x0844U, 0x2100U, 0x2101U, 0x0181U, 0x0180U, 0x0B00U, 0x0182U, 0x5040U, 0x0184U, 0x2108U, 0x2030U,
0x00C0U, 0x00C1U, 0x4401U, 0x4400U, 0x0420U, 0x0421U, 0x0422U, 0x4404U, 0x0900U, 0x0901U, 0x1011U, 0x1010U,
0x0904U, 0x2042U, 0x2041U, 0x2040U, 0x0821U, 0x0820U, 0x1009U, 0x1008U, 0x4802U, 0x0824U, 0x4800U, 0x4801U,
0x1003U, 0x1002U, 0x1001U, 0x1000U, 0x0501U, 0x0500U, 0x1005U, 0x1004U, 0x0404U, 0x0810U, 0x1100U, 0x1101U,
0x0400U, 0x0401U, 0x0402U, 0x0403U, 0x040CU, 0x0818U, 0x1108U, 0x1030U, 0x0408U, 0x0409U, 0x040AU, 0x2060U,
0x0801U, 0x0800U, 0x0280U, 0x0802U, 0x0410U, 0x0804U, 0x0412U, 0x0806U, 0x0809U, 0x0808U, 0x1021U, 0x1020U,
0x5000U, 0x2200U, 0x5002U, 0x2202U};
#define X14 0x00004000 /* vector representation of X^{14} */
#define X8 0x00000100 /* vector representation of X^{8} */
#define MASK7 0xffffff00 /* auxiliary vector for testing */
#define GENPOL 0x00000139 /* generator polinomial, g(x) */
unsigned int CQR1676::getSyndrome1576(unsigned int pattern)
/*
* Compute the syndrome corresponding to the given pattern, i.e., the
* remainder after dividing the pattern (when considering it as the vector
* representation of a polynomial) by the generator polynomial, GENPOL.
* In the program this pattern has several meanings: (1) pattern = infomation
* bits, when constructing the encoding table; (2) pattern = error pattern,
* when constructing the decoding table; and (3) pattern = received vector, to
* obtain its syndrome in decoding.
*/
{
unsigned int aux = X14;
if (pattern >= X8) {
while (pattern & MASK7) {
while (!(aux & pattern))
aux = aux >> 1;
pattern ^= (aux / X8) * GENPOL;
}
}
return pattern;
}
// Compute the EMB against a precomputed list of correct words
void CQR1676::encode(unsigned char* data)
{
assert(data != NULL);
unsigned int value = (data[0U] >> 1) & 0x7FU;
unsigned int cksum = ENCODING_TABLE_1676[value];
data[0U] = cksum >> 8;
data[1U] = cksum & 0xFFU;
}
unsigned char CQR1676::decode(const unsigned char* data)
{
assert(data != NULL);
unsigned int code = (data[0U] << 7) + (data[1U] >> 1);
unsigned int syndrome = getSyndrome1576(code);
unsigned int error_pattern = DECODING_TABLE_1576[syndrome];
code ^= error_pattern;
return code >> 7;
}

32
src/cqr1676.h Normal file
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@ -0,0 +1,32 @@
/*
* Copyright (C) 2015 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef QR1676_H
#define QR1676_H
class CQR1676 {
public:
static void encode(unsigned char* data);
static unsigned char decode(const unsigned char* data);
private:
static unsigned int getSyndrome1576(unsigned int pattern);
};
#endif

87
src/creflector.cpp
View File

@ -26,7 +26,8 @@
#include <string.h>
#include "creflector.h"
#include "cgatekeeper.h"
#include "cdmriddir.h"
#include "ctranscoder.h"
////////////////////////////////////////////////////////////////////////////////////////
// constructor
@ -40,10 +41,16 @@ CReflector::CReflector()
{
m_RouterThreads[i] = NULL;
}
#ifdef DEBUG_DUMPFILE
m_DebugFile.open("/Users/jeanluc/Desktop/dmrdebug.txt");
#endif
}
CReflector::CReflector(const CCallsign &callsign)
{
#ifdef DEBUG_DUMPFILE
m_DebugFile.close();
#endif
m_bStopThreads = false;
m_XmlReportThread = NULL;
m_JsonReportThread = NULL;
@ -93,7 +100,13 @@ bool CReflector::Start(void)
// init gate keeper
ok &= g_GateKeeper.Init();
// init dmrid directory
g_DmridDir.RefreshContent();
// init the transcoder
g_Transcoder.Init();
// create protocols
ok &= m_Protocols.Init();
@ -116,7 +129,7 @@ bool CReflector::Start(void)
{
m_Protocols.Close();
}
// done
return ok;
}
@ -154,6 +167,9 @@ void CReflector::Stop(void)
// close protocols
m_Protocols.Close();
// close transcoder
g_Transcoder.Close();
// close gatekeeper
g_GateKeeper.Close();
}
@ -169,11 +185,11 @@ bool CReflector::IsStreaming(char module)
CPacketStream *CReflector::OpenStream(CDvHeaderPacket *DvHeader, CClient *client)
{
CPacketStream *retStream = NULL;
// clients MUST have bee locked by the caller
// so we can freely access it within the fuction
// check if streamid is valid
// check sid is not NULL
if ( DvHeader->GetStreamId() != 0 )
{
// check if client is valid candidate
@ -196,21 +212,21 @@ CPacketStream *CReflector::OpenStream(CDvHeaderPacket *DvHeader, CClient *client
// stream open, mark client as master
// so that it can't be deleted
client->SetMasterOfModule(module);
// update last heard time
client->Heard();
retStream = stream;
// and push header packet
stream->Push(DvHeader);
// report
std::cout << "Opening stream on module " << module << " for client " << client->GetCallsign()
<< " with sid " << DvHeader->GetStreamId() << std::endl;
// notify
g_Reflector.OnStreamOpen(stream->GetUserCallsign());
}
// unlock now
stream->Unlock();
@ -224,12 +240,7 @@ CPacketStream *CReflector::OpenStream(CDvHeaderPacket *DvHeader, CClient *client
}
}
}
else
{
// report
std::cout << "Detected null stream id for client " << client->GetCallsign() << std::endl;
}
// done
return retStream;
}
@ -240,11 +251,14 @@ void CReflector::CloseStream(CPacketStream *stream)
if ( stream != NULL )
{
// wait queue is empty
// the following waut's forever
// this waits forever
bool bEmpty = false;
do
{
stream->Lock();
// do not use stream->IsEmpty() has this "may" never succeed
// and anyway, the DvLastFramPacket short-circuit the transcoder
// loop queues
bEmpty = stream->empty();
stream->Unlock();
if ( !bEmpty )
@ -253,12 +267,12 @@ void CReflector::CloseStream(CPacketStream *stream)
CTimePoint::TaskSleepFor(10);
}
} while (!bEmpty);
// lock it
stream->Lock();
// lock clients
GetClients();
// lock stream
stream->Lock();
// get and check the master
CClient *client = stream->GetOwnerClient();
@ -273,15 +287,18 @@ void CReflector::CloseStream(CPacketStream *stream)
std::cout << "Closing stream of module " << GetStreamModule(stream) << std::endl;
}
// stop the queue
// release clients
ReleaseClients();
// unlock before closing
// to avoid double lock in assiociated
// codecstream close/thread-join
stream->Unlock();
// and stop the queue
stream->Close();
// release clients
ReleaseClients();
// and unlock
stream->Unlock();
}
}
@ -345,9 +362,11 @@ void CReflector::RouterThread(CReflector *This, CPacketStream *streamIn)
delete packet;
packet = NULL;
}
// wait a bit
CTimePoint::TaskSleepFor(10);
else
{
// wait a bit
CTimePoint::TaskSleepFor(10);
}
}
}
@ -576,12 +595,12 @@ void CReflector::WriteXmlFile(std::ofstream &xmlFile)
{
// write header
xmlFile << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" << std::endl;
// software version
char sz[64];
::sprintf(sz, "%d.%d.%d", VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION);
xmlFile << "<Version>" << sz << "</Version>" << std::endl;
// linked peers
xmlFile << "<" << m_Callsign << "linked peers>" << std::endl;
// lock
@ -610,7 +629,7 @@ void CReflector::WriteXmlFile(std::ofstream &xmlFile)
// unlock
ReleaseClients();
xmlFile << "</" << m_Callsign << "linked nodes>" << std::endl;
// last heard users
xmlFile << "<" << m_Callsign << "heard users>" << std::endl;
// lock

8
src/creflector.h
View File

@ -58,7 +58,9 @@ public:
void SetCallsign(const CCallsign &callsign) { m_Callsign = callsign; }
const CCallsign &GetCallsign(void) const { return m_Callsign; }
void SetListenIp(const CIp &ip) { m_Ip = ip; }
void SetTranscoderIp(const CIp &ip) { m_AmbedIp = ip; }
const CIp &GetListenIp(void) const { return m_Ip; }
const CIp &GetTrasncoderIp(void) const { return m_AmbedIp; }
// operation
bool Start(void);
@ -118,6 +120,7 @@ protected:
// identity
CCallsign m_Callsign;
CIp m_Ip;
CIp m_AmbedIp;
// objects
CUsers m_Users; // sorted list of lastheard stations
@ -136,6 +139,11 @@ protected:
// notifications
CNotificationQueue m_Notifications;
public:
#ifdef DEBUG_DUMPFILE
std::ofstream m_DebugFile;
#endif
};
////////////////////////////////////////////////////////////////////////////////////////

130
src/crs129.cpp Normal file
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@ -0,0 +1,130 @@
/*
* Copyright (C) 2015 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "crs129.h"
#include <cstdio>
#include <cassert>
#include <cstring>
const unsigned int NPAR = 3U;
/* Maximum degree of various polynomials. */
//const unsigned int MAXDEG = NPAR * 2U;
/* Generator Polynomial */
const unsigned char POLY[] = {64U, 56U, 14U, 1U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U};
const unsigned char EXP_TABLE[] = {
0x01U, 0x02U, 0x04U, 0x08U, 0x10U, 0x20U, 0x40U, 0x80U, 0x1DU, 0x3AU, 0x74U, 0xE8U, 0xCDU, 0x87U, 0x13U, 0x26U,
0x4CU, 0x98U, 0x2DU, 0x5AU, 0xB4U, 0x75U, 0xEAU, 0xC9U, 0x8FU, 0x03U, 0x06U, 0x0CU, 0x18U, 0x30U, 0x60U, 0xC0U,
0x9DU, 0x27U, 0x4EU, 0x9CU, 0x25U, 0x4AU, 0x94U, 0x35U, 0x6AU, 0xD4U, 0xB5U, 0x77U, 0xEEU, 0xC1U, 0x9FU, 0x23U,
0x46U, 0x8CU, 0x05U, 0x0AU, 0x14U, 0x28U, 0x50U, 0xA0U, 0x5DU, 0xBAU, 0x69U, 0xD2U, 0xB9U, 0x6FU, 0xDEU, 0xA1U,
0x5FU, 0xBEU, 0x61U, 0xC2U, 0x99U, 0x2FU, 0x5EU, 0xBCU, 0x65U, 0xCAU, 0x89U, 0x0FU, 0x1EU, 0x3CU, 0x78U, 0xF0U,
0xFDU, 0xE7U, 0xD3U, 0xBBU, 0x6BU, 0xD6U, 0xB1U, 0x7FU, 0xFEU, 0xE1U, 0xDFU, 0xA3U, 0x5BU, 0xB6U, 0x71U, 0xE2U,
0xD9U, 0xAFU, 0x43U, 0x86U, 0x11U, 0x22U, 0x44U, 0x88U, 0x0DU, 0x1AU, 0x34U, 0x68U, 0xD0U, 0xBDU, 0x67U, 0xCEU,
0x81U, 0x1FU, 0x3EU, 0x7CU, 0xF8U, 0xEDU, 0xC7U, 0x93U, 0x3BU, 0x76U, 0xECU, 0xC5U, 0x97U, 0x33U, 0x66U, 0xCCU,
0x85U, 0x17U, 0x2EU, 0x5CU, 0xB8U, 0x6DU, 0xDAU, 0xA9U, 0x4FU, 0x9EU, 0x21U, 0x42U, 0x84U, 0x15U, 0x2AU, 0x54U,
0xA8U, 0x4DU, 0x9AU, 0x29U, 0x52U, 0xA4U, 0x55U, 0xAAU, 0x49U, 0x92U, 0x39U, 0x72U, 0xE4U, 0xD5U, 0xB7U, 0x73U,
0xE6U, 0xD1U, 0xBFU, 0x63U, 0xC6U, 0x91U, 0x3FU, 0x7EU, 0xFCU, 0xE5U, 0xD7U, 0xB3U, 0x7BU, 0xF6U, 0xF1U, 0xFFU,
0xE3U, 0xDBU, 0xABU, 0x4BU, 0x96U, 0x31U, 0x62U, 0xC4U, 0x95U, 0x37U, 0x6EU, 0xDCU, 0xA5U, 0x57U, 0xAEU, 0x41U,
0x82U, 0x19U, 0x32U, 0x64U, 0xC8U, 0x8DU, 0x07U, 0x0EU, 0x1CU, 0x38U, 0x70U, 0xE0U, 0xDDU, 0xA7U, 0x53U, 0xA6U,
0x51U, 0xA2U, 0x59U, 0xB2U, 0x79U, 0xF2U, 0xF9U, 0xEFU, 0xC3U, 0x9BU, 0x2BU, 0x56U, 0xACU, 0x45U, 0x8AU, 0x09U,
0x12U, 0x24U, 0x48U, 0x90U, 0x3DU, 0x7AU, 0xF4U, 0xF5U, 0xF7U, 0xF3U, 0xFBU, 0xEBU, 0xCBU, 0x8BU, 0x0BU, 0x16U,
0x2CU, 0x58U, 0xB0U, 0x7DU, 0xFAU, 0xE9U, 0xCFU, 0x83U, 0x1BU, 0x36U, 0x6CU, 0xD8U, 0xADU, 0x47U, 0x8EU, 0x01U,
0x02U, 0x04U, 0x08U, 0x10U, 0x20U, 0x40U, 0x80U, 0x1DU, 0x3AU, 0x74U, 0xE8U, 0xCDU, 0x87U, 0x13U, 0x26U, 0x4CU,
0x98U, 0x2DU, 0x5AU, 0xB4U, 0x75U, 0xEAU, 0xC9U, 0x8FU, 0x03U, 0x06U, 0x0CU, 0x18U, 0x30U, 0x60U, 0xC0U, 0x9DU,
0x27U, 0x4EU, 0x9CU, 0x25U, 0x4AU, 0x94U, 0x35U, 0x6AU, 0xD4U, 0xB5U, 0x77U, 0xEEU, 0xC1U, 0x9FU, 0x23U, 0x46U,
0x8CU, 0x05U, 0x0AU, 0x14U, 0x28U, 0x50U, 0xA0U, 0x5DU, 0xBAU, 0x69U, 0xD2U, 0xB9U, 0x6FU, 0xDEU, 0xA1U, 0x5FU,
0xBEU, 0x61U, 0xC2U, 0x99U, 0x2FU, 0x5EU, 0xBCU, 0x65U, 0xCAU, 0x89U, 0x0FU, 0x1EU, 0x3CU, 0x78U, 0xF0U, 0xFDU,
0xE7U, 0xD3U, 0xBBU, 0x6BU, 0xD6U, 0xB1U, 0x7FU, 0xFEU, 0xE1U, 0xDFU, 0xA3U, 0x5BU, 0xB6U, 0x71U, 0xE2U, 0xD9U,
0xAFU, 0x43U, 0x86U, 0x11U, 0x22U, 0x44U, 0x88U, 0x0DU, 0x1AU, 0x34U, 0x68U, 0xD0U, 0xBDU, 0x67U, 0xCEU, 0x81U,
0x1FU, 0x3EU, 0x7CU, 0xF8U, 0xEDU, 0xC7U, 0x93U, 0x3BU, 0x76U, 0xECU, 0xC5U, 0x97U, 0x33U, 0x66U, 0xCCU, 0x85U,
0x17U, 0x2EU, 0x5CU, 0xB8U, 0x6DU, 0xDAU, 0xA9U, 0x4FU, 0x9EU, 0x21U, 0x42U, 0x84U, 0x15U, 0x2AU, 0x54U, 0xA8U,
0x4DU, 0x9AU, 0x29U, 0x52U, 0xA4U, 0x55U, 0xAAU, 0x49U, 0x92U, 0x39U, 0x72U, 0xE4U, 0xD5U, 0xB7U, 0x73U, 0xE6U,
0xD1U, 0xBFU, 0x63U, 0xC6U, 0x91U, 0x3FU, 0x7EU, 0xFCU, 0xE5U, 0xD7U, 0xB3U, 0x7BU, 0xF6U, 0xF1U, 0xFFU, 0xE3U,
0xDBU, 0xABU, 0x4BU, 0x96U, 0x31U, 0x62U, 0xC4U, 0x95U, 0x37U, 0x6EU, 0xDCU, 0xA5U, 0x57U, 0xAEU, 0x41U, 0x82U,
0x19U, 0x32U, 0x64U, 0xC8U, 0x8DU, 0x07U, 0x0EU, 0x1CU, 0x38U, 0x70U, 0xE0U, 0xDDU, 0xA7U, 0x53U, 0xA6U, 0x51U,
0xA2U, 0x59U, 0xB2U, 0x79U, 0xF2U, 0xF9U, 0xEFU, 0xC3U, 0x9BU, 0x2BU, 0x56U, 0xACU, 0x45U, 0x8AU, 0x09U, 0x12U,
0x24U, 0x48U, 0x90U, 0x3DU, 0x7AU, 0xF4U, 0xF5U, 0xF7U, 0xF3U, 0xFBU, 0xEBU, 0xCBU, 0x8BU, 0x0BU, 0x16U, 0x2CU,
0x58U, 0xB0U, 0x7DU, 0xFAU, 0xE9U, 0xCFU, 0x83U, 0x1BU, 0x36U, 0x6CU, 0xD8U, 0xADU, 0x47U, 0x8EU, 0x01U, 0x00U};
const unsigned char LOG_TABLE[] = {
0x00U, 0x00U, 0x01U, 0x19U, 0x02U, 0x32U, 0x1AU, 0xC6U, 0x03U, 0xDFU, 0x33U, 0xEEU, 0x1BU, 0x68U, 0xC7U, 0x4BU,
0x04U, 0x64U, 0xE0U, 0x0EU, 0x34U, 0x8DU, 0xEFU, 0x81U, 0x1CU, 0xC1U, 0x69U, 0xF8U, 0xC8U, 0x08U, 0x4CU, 0x71U,
0x05U, 0x8AU, 0x65U, 0x2FU, 0xE1U, 0x24U, 0x0FU, 0x21U, 0x35U, 0x93U, 0x8EU, 0xDAU, 0xF0U, 0x12U, 0x82U, 0x45U,
0x1DU, 0xB5U, 0xC2U, 0x7DU, 0x6AU, 0x27U, 0xF9U, 0xB9U, 0xC9U, 0x9AU, 0x09U, 0x78U, 0x4DU, 0xE4U, 0x72U, 0xA6U,
0x06U, 0xBFU, 0x8BU, 0x62U, 0x66U, 0xDDU, 0x30U, 0xFDU, 0xE2U, 0x98U, 0x25U, 0xB3U, 0x10U, 0x91U, 0x22U, 0x88U,
0x36U, 0xD0U, 0x94U, 0xCEU, 0x8FU, 0x96U, 0xDBU, 0xBDU, 0xF1U, 0xD2U, 0x13U, 0x5CU, 0x83U, 0x38U, 0x46U, 0x40U,
0x1EU, 0x42U, 0xB6U, 0xA3U, 0xC3U, 0x48U, 0x7EU, 0x6EU, 0x6BU, 0x3AU, 0x28U, 0x54U, 0xFAU, 0x85U, 0xBAU, 0x3DU,
0xCAU, 0x5EU, 0x9BU, 0x9FU, 0x0AU, 0x15U, 0x79U, 0x2BU, 0x4EU, 0xD4U, 0xE5U, 0xACU, 0x73U, 0xF3U, 0xA7U, 0x57U,
0x07U, 0x70U, 0xC0U, 0xF7U, 0x8CU, 0x80U, 0x63U, 0x0DU, 0x67U, 0x4AU, 0xDEU, 0xEDU, 0x31U, 0xC5U, 0xFEU, 0x18U,
0xE3U, 0xA5U, 0x99U, 0x77U, 0x26U, 0xB8U, 0xB4U, 0x7CU, 0x11U, 0x44U, 0x92U, 0xD9U, 0x23U, 0x20U, 0x89U, 0x2EU,
0x37U, 0x3FU, 0xD1U, 0x5BU, 0x95U, 0xBCU, 0xCFU, 0xCDU, 0x90U, 0x87U, 0x97U, 0xB2U, 0xDCU, 0xFCU, 0xBEU, 0x61U,
0xF2U, 0x56U, 0xD3U, 0xABU, 0x14U, 0x2AU, 0x5DU, 0x9EU, 0x84U, 0x3CU, 0x39U, 0x53U, 0x47U, 0x6DU, 0x41U, 0xA2U,
0x1FU, 0x2DU, 0x43U, 0xD8U, 0xB7U, 0x7BU, 0xA4U, 0x76U, 0xC4U, 0x17U, 0x49U, 0xECU, 0x7FU, 0x0CU, 0x6FU, 0xF6U,
0x6CU, 0xA1U, 0x3BU, 0x52U, 0x29U, 0x9DU, 0x55U, 0xAAU, 0xFBU, 0x60U, 0x86U, 0xB1U, 0xBBU, 0xCCU, 0x3EU, 0x5AU,
0xCBU, 0x59U, 0x5FU, 0xB0U, 0x9CU, 0xA9U, 0xA0U, 0x51U, 0x0BU, 0xF5U, 0x16U, 0xEBU, 0x7AU, 0x75U, 0x2CU, 0xD7U,
0x4FU, 0xAEU, 0xD5U, 0xE9U, 0xE6U, 0xE7U, 0xADU, 0xE8U, 0x74U, 0xD6U, 0xF4U, 0xEAU, 0xA8U, 0x50U, 0x58U, 0xAFU};
/* multiplication using logarithms */
static unsigned char gmult(unsigned char a, unsigned char b)
{
if (a == 0U || b == 0U)
return 0U;
unsigned int i = LOG_TABLE[a];
unsigned int j = LOG_TABLE[b];
return EXP_TABLE[i + j];
}
/* Simulate a LFSR with generator polynomial for n byte RS code.
* Pass in a pointer to the data array, and amount of data.
*
* The parity bytes are deposited into parity.
*/
void CRS129::encode(const unsigned char* msg, unsigned int nbytes, unsigned char* parity)
{
assert(msg != NULL);
assert(parity != NULL);
for (unsigned int i = 0U; i < NPAR + 1U; i++)
parity[i] = 0x00U;
for (unsigned int i = 0U; i < nbytes; i++) {
unsigned char dbyte = msg[i] ^ parity[NPAR - 1U];
for (int j = NPAR - 1; j > 0; j--)
parity[j] = parity[j - 1] ^ ::gmult(POLY[j], dbyte);
parity[0] = ::gmult(POLY[0], dbyte);
}
}
// Reed-Solomon (12,9) check
bool CRS129::check(const unsigned char* in)
{
assert(in != NULL);
unsigned char parity[4U];
encode(in, 9U, parity);
return in[9U] == parity[2U] && in[10U] == parity[1U] && in[11U] == parity[0U];
}

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@ -0,0 +1,30 @@
/*
* Copyright (C) 2015 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(RS129_H)
#define RS129_H
class CRS129
{
public:
static bool check(const unsigned char* in);
static void encode(const unsigned char* msg, unsigned int nbytes, unsigned char* parity);
};
#endif

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//
// csemaphore.cpp
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 16/04/2017.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#include "main.h"
#include "csemaphore.h"
////////////////////////////////////////////////////////////////////////////////////////
// constructor
CSemaphore::CSemaphore()
{
// Initialized as locked.
m_Count = 0;
}
////////////////////////////////////////////////////////////////////////////////////////
// operation
void CSemaphore::Reset(void)
{
std::unique_lock<decltype(m_Mutex)> lock(m_Mutex);
m_Count = 0;
}
void CSemaphore::Notify(void)
{
std::unique_lock<std::mutex> lock(m_Mutex);
m_Count++;
m_Condition.notify_one();
}
void CSemaphore::Wait(void)
{
std::unique_lock<std::mutex> lock(m_Mutex);
m_Condition.wait(lock, [&]{ return m_Count > 0; });
m_Count--;
}
bool CSemaphore::WaitFor(uint ms)
{
std::chrono::milliseconds timespan(ms);
std::unique_lock<decltype(m_Mutex)> lock(m_Mutex);
auto ok = m_Condition.wait_for(lock, timespan, [&]{ return m_Count > 0; });
if ( ok )
{
m_Count--;
}
return ok;
}

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//
// csemaphore.h
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 16/04/2017.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef csemaphore_h
#define csemaphore_h
////////////////////////////////////////////////////////////////////////////////////////
// class
class CSemaphore
{
public:
// constructor
CSemaphore();
// destructor
virtual ~CSemaphore() {};
// operation
void Reset(void);
void Notify(void);
void Wait(void);
bool WaitFor(uint);
protected:
// data
std::mutex m_Mutex;
std::condition_variable m_Condition;
size_t m_Count;
};
////////////////////////////////////////////////////////////////////////////////////////
#endif /* csemaphore_h */

2
src/ctimepoint.h
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@ -39,7 +39,7 @@ public:
virtual ~CTimePoint() {}
// operation
void Now(void) { m_TimePoint = std::chrono::steady_clock::now(); }
void Now(void) { m_TimePoint = std::chrono::steady_clock::now(); }
double DurationSinceNow(void) const;
// task

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//
// ctranscoder.cpp
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 13/04/2017.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#include "main.h"
#include "creflector.h"
#include "ctranscoder.h"
////////////////////////////////////////////////////////////////////////////////////////
// define
// status
#define STATUS_IDLE 0
#define STATUS_LOGGED 1
// timeout
#define AMBED_OPENSTREAM_TIMEOUT 200 // in ms
////////////////////////////////////////////////////////////////////////////////////////
CTranscoder g_Transcoder;
////////////////////////////////////////////////////////////////////////////////////////
// constructor
CTranscoder::CTranscoder()
{
m_bStopThread = false;
m_pThread = NULL;
m_Streams.reserve(12);
m_bConnected = false;
m_LastKeepaliveTime.Now();
m_LastActivityTime.Now();
m_bStreamOpened = false;
m_StreamidOpenStream = 0;
m_PortOpenStream = 0;
}
////////////////////////////////////////////////////////////////////////////////////////
// destructor
CTranscoder::~CTranscoder()
{
// close all streams
m_Mutex.lock();
{
for ( int i = 0; i < m_Streams.size(); i++ )
{
delete m_Streams[i];
}
m_Streams.clear();
}
m_Mutex.unlock();
// kill threads
m_bStopThread = true;
if ( m_pThread != NULL )
{
m_pThread->join();
delete m_pThread;
}
}
////////////////////////////////////////////////////////////////////////////////////////
// initialization
bool CTranscoder::Init(void)
{
bool ok;
// reset stop flag
m_bStopThread = false;
// create server's IP
m_Ip = g_Reflector.GetTrasncoderIp();
// create our socket
ok = m_Socket.Open(TRANSCODER_PORT);
if ( ok )
{
// start thread;
m_pThread = new std::thread(CTranscoder::Thread, this);
}
else
{
std::cout << "Error opening socket on port UDP" << TRANSCODER_PORT << " on ip " << g_Reflector.GetListenIp() << std::endl;
}
// done
return ok;
}
void CTranscoder::Close(void)
{
// close socket
m_Socket.Close();
// close all streams
m_Mutex.lock();
{
for ( int i = 0; i < m_Streams.size(); i++ )
{
delete m_Streams[i];
}
m_Streams.clear();
}
m_Mutex.unlock();
// kill threads
m_bStopThread = true;
if ( m_pThread != NULL )
{
m_pThread->join();
delete m_pThread;
m_pThread = NULL;
}
}
////////////////////////////////////////////////////////////////////////////////////////
// thread
void CTranscoder::Thread(CTranscoder *This)
{
while ( !This->m_bStopThread )
{
This->Task();
}
}
void CTranscoder::Task(void)
{
CBuffer Buffer;
CIp Ip;
uint16 StreamId;
uint16 Port;
// anything coming in from codec server ?
//if ( (m_Socket.Receive(&Buffer, &Ip, 20) != -1) && (Ip == m_Ip) )
if ( m_Socket.Receive(&Buffer, &Ip, 20) != -1 )
{
m_LastActivityTime.Now();
// crack packet
if ( IsValidStreamDescrPacket(Buffer, &StreamId, &Port) )
{
//std::cout << "Transcoder stream " << (int) StreamId << " descr packet " << std::endl;
m_bStreamOpened = true;
m_StreamidOpenStream = StreamId;
m_PortOpenStream = Port;
m_SemaphoreOpenStream.Notify();
}
else if ( IsValidNoStreamAvailablePacket(Buffer) )
{
m_bStreamOpened = false;
m_SemaphoreOpenStream.Notify();
}
else if ( IsValidKeepAlivePacket(Buffer) )
{
if ( !m_bConnected )
{
std::cout << "Transcoder connected at " << Ip << std::endl;
}
m_bConnected = true;
}
}
// handle end of streaming timeout
//CheckStreamsTimeout();
// handle queue from reflector
//HandleQueue();
// keep client alive
if ( m_LastKeepaliveTime.DurationSinceNow() > TRANSCODER_KEEPALIVE_PERIOD )
{
//
HandleKeepalives();
// update time
m_LastKeepaliveTime.Now();
}
}
////////////////////////////////////////////////////////////////////////////////////////
// manage streams
CCodecStream *CTranscoder::GetStream(CPacketStream *PacketStream, uint8 uiCodecIn)
{
CBuffer Buffer;
CCodecStream *stream = NULL;
// do we need transcoding
if ( uiCodecIn != CODEC_NONE )
{
// are we connected to server
if ( m_bConnected )
{
// yes, post openstream request
EncodeOpenstreamPacket(&Buffer, uiCodecIn, (uiCodecIn == CODEC_AMBEPLUS) ? CODEC_AMBE2PLUS : CODEC_AMBEPLUS);
m_Socket.Send(Buffer, m_Ip, TRANSCODER_PORT);
// wait relpy here
if ( m_SemaphoreOpenStream.WaitFor(AMBED_OPENSTREAM_TIMEOUT) )
{
if ( m_bStreamOpened )
{
std::cout << "ambed openstream ok" << std::endl;
// create stream object
stream = new CCodecStream(PacketStream, m_StreamidOpenStream, uiCodecIn, (uiCodecIn == CODEC_AMBEPLUS) ? CODEC_AMBE2PLUS : CODEC_AMBEPLUS);
// init it
if ( stream->Init(m_PortOpenStream) )
{
// and append to list
Lock();
m_Streams.push_back(stream);
Unlock();
}
else
{
// send close packet
EncodeClosestreamPacket(&Buffer, stream->GetStreamId());
m_Socket.Send(Buffer, m_Ip, TRANSCODER_PORT);
// and delete
delete stream;
stream = NULL;
}
}
else
{
std::cout << "ambed openstream failed (no suitable channel available)" << std::endl;
}
}
else
{
std::cout << "ambed openstream timeout" << std::endl;
}
}
}
return stream;
}
void CTranscoder::ReleaseStream(CCodecStream *stream)
{
CBuffer Buffer;
if ( stream != NULL )
{
// look for the stream
bool found = false;
Lock();
{
for ( int i = 0; (i < m_Streams.size()) && !found; i++ )
{
// compare object pointers
if ( (m_Streams[i]) == stream )
{
// send close packet
EncodeClosestreamPacket(&Buffer, m_Streams[i]->GetStreamId());
m_Socket.Send(Buffer, m_Ip, TRANSCODER_PORT);
// display stats
if ( m_Streams[i]->GetPingMin() >= 0.0 )
{
char sz[256];
sprintf(sz, "ambed stats (ms) : %.1f/%.1f/%.1f",
m_Streams[i]->GetPingMin() * 1000.0,
m_Streams[i]->GetPingAve() * 1000.0,
m_Streams[i]->GetPingMax() * 1000.0);
std::cout << sz << std::endl;
}
if ( m_Streams[i]->GetTimeoutPackets() > 0 )
{
char sz[256];
sprintf(sz, "ambed %d of %d packets timed out",
m_Streams[i]->GetTimeoutPackets(),
m_Streams[i]->GetTotalPackets());
std::cout << sz << std::endl;
}
// and close it
m_Streams[i]->Close();
delete m_Streams[i];
m_Streams.erase(m_Streams.begin()+i);
found = true;
}
}
}
Unlock();
}
}
////////////////////////////////////////////////////////////////////////////////////////
// keepalive helpers
void CTranscoder::HandleKeepalives(void)
{
CBuffer keepalive;
// send keepalive
EncodeKeepAlivePacket(&keepalive);
m_Socket.Send(keepalive, m_Ip, TRANSCODER_PORT);
// check if still with us
if ( m_bConnected && (m_LastActivityTime.DurationSinceNow() >= TRANSCODER_KEEPALIVE_TIMEOUT) )
{
// no, disconnect
m_bConnected = false;
std::cout << "Transcoder keepalive timeout" << std::endl;
}
}
////////////////////////////////////////////////////////////////////////////////////////
// packet decoding helpers
bool CTranscoder::IsValidKeepAlivePacket(const CBuffer &Buffer)
{
uint8 tag[] = { 'A','M','B','E','D','P','O','N','G' };
bool valid = false;
if ( (Buffer.size() == 9) && (Buffer.Compare(tag, sizeof(tag)) == 0) )
{
valid = true;
}
return valid;
}
bool CTranscoder::IsValidStreamDescrPacket(const CBuffer &Buffer, uint16 *Id, uint16 *Port)
{
uint8 tag[] = { 'A','M','B','E','D','S','T','D' };
bool valid = false;
if ( (Buffer.size() == 14) && (Buffer.Compare(tag, sizeof(tag)) == 0) )
{
*Id = *(uint16 *)(&Buffer.data()[8]);
*Port = *(uint16 *)(&Buffer.data()[10]);
// uint8 CodecIn = Buffer.data()[12];
// uint8 CodecOut = Buffer.data()[13];
valid = true;
}
return valid;
}
bool CTranscoder::IsValidNoStreamAvailablePacket(const CBuffer&Buffer)
{
uint8 tag[] = { 'A','M','B','E','D','B','U','S','Y' };
return ( (Buffer.size() == 9) && (Buffer.Compare(tag, sizeof(tag)) == 0) );
}
////////////////////////////////////////////////////////////////////////////////////////
// packet encoding helpers
void CTranscoder::EncodeKeepAlivePacket(CBuffer *Buffer)
{
uint8 tag[] = { 'A','M','B','E','D','P','I','N','G' };
Buffer->Set(tag, sizeof(tag));
Buffer->Append((uint8 *)(const char *)g_Reflector.GetCallsign(), CALLSIGN_LEN);
}
void CTranscoder::EncodeOpenstreamPacket(CBuffer *Buffer, uint8 uiCodecIn, uint8 uiCodecOut)
{
uint8 tag[] = { 'A','M','B','E','D','O','S' };
Buffer->Set(tag, sizeof(tag));
Buffer->Append((uint8 *)(const char *)g_Reflector.GetCallsign(), CALLSIGN_LEN);
Buffer->Append((uint8)uiCodecIn);
Buffer->Append((uint8)uiCodecOut);
}
void CTranscoder::EncodeClosestreamPacket(CBuffer *Buffer, uint16 uiStreamId)
{
uint8 tag[] = { 'A','M','B','E','D','C','S' };
Buffer->Set(tag, sizeof(tag));
Buffer->Append((uint16)uiStreamId);
}

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//
// ctranscoder.h
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 13/04/2017.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// xlxd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef ctranscoder_h
#define ctranscoder_h
#include "csemaphore.h"
#include "ccodecstream.h"
#include "cudpsocket.h"
////////////////////////////////////////////////////////////////////////////////////////
// define
////////////////////////////////////////////////////////////////////////////////////////
// class
class CPacketStream;
class CTranscoder
{
public:
// constructor
CTranscoder();
// destructor
virtual ~CTranscoder();
// initialization
bool Init(void);
void Close(void);
// locks
void Lock(void) { m_Mutex.lock(); }
void Unlock(void) { m_Mutex.unlock(); }
// manage streams
CCodecStream *GetStream(CPacketStream *, uint8);
void ReleaseStream(CCodecStream *);
// task
static void Thread(CTranscoder *);
void Task(void);
protected:
// keepalive helpers
void HandleKeepalives(void);
// packet decoding helpers
bool IsValidKeepAlivePacket(const CBuffer &);
bool IsValidStreamDescrPacket(const CBuffer &, uint16 *, uint16 *);
bool IsValidNoStreamAvailablePacket(const CBuffer&);
// packet encoding helpers
void EncodeKeepAlivePacket(CBuffer *);
void EncodeOpenstreamPacket(CBuffer *, uint8, uint8);
void EncodeClosestreamPacket(CBuffer *, uint16);
protected:
// streams
std::mutex m_Mutex;
std::vector<CCodecStream *> m_Streams;
// sync objects for Openstream
CSemaphore m_SemaphoreOpenStream;
bool m_bStreamOpened;
uint16 m_StreamidOpenStream;
uint16 m_PortOpenStream;
// thread
bool m_bStopThread;
std::thread *m_pThread;
// socket
CIp m_Ip;
CUdpSocket m_Socket;
bool m_bConnected;
// time
CTimePoint m_LastKeepaliveTime;
CTimePoint m_LastActivityTime;
};
////////////////////////////////////////////////////////////////////////////////////////
#endif /* ctranscoder_h */

73
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@ -0,0 +1,73 @@
/*
* Copyright (C) 2009,2014,2015,2016 Jonathan Naylor, G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "cutils.h"
#include <cstdio>
#include <cassert>
void CUtils::byteToBitsBE(unsigned char byte, bool* bits)
{
assert(bits != NULL);
bits[0U] = (byte & 0x80U) == 0x80U;
bits[1U] = (byte & 0x40U) == 0x40U;
bits[2U] = (byte & 0x20U) == 0x20U;
bits[3U] = (byte & 0x10U) == 0x10U;
bits[4U] = (byte & 0x08U) == 0x08U;
bits[5U] = (byte & 0x04U) == 0x04U;
bits[6U] = (byte & 0x02U) == 0x02U;
bits[7U] = (byte & 0x01U) == 0x01U;
}
void CUtils::byteToBitsLE(unsigned char byte, bool* bits)
{
assert(bits != NULL);
bits[0U] = (byte & 0x01U) == 0x01U;
bits[1U] = (byte & 0x02U) == 0x02U;
bits[2U] = (byte & 0x04U) == 0x04U;
bits[3U] = (byte & 0x08U) == 0x08U;
bits[4U] = (byte & 0x10U) == 0x10U;
bits[5U] = (byte & 0x20U) == 0x20U;
bits[6U] = (byte & 0x40U) == 0x40U;
bits[7U] = (byte & 0x80U) == 0x80U;
}
void CUtils::bitsToByteBE(const bool* bits, unsigned char& byte)
{
assert(bits != NULL);
byte = bits[0U] ? 0x80U : 0x00U;
byte |= bits[1U] ? 0x40U : 0x00U;
byte |= bits[2U] ? 0x20U : 0x00U;
byte |= bits[3U] ? 0x10U : 0x00U;
byte |= bits[4U] ? 0x08U : 0x00U;
byte |= bits[5U] ? 0x04U : 0x00U;
byte |= bits[6U] ? 0x02U : 0x00U;
byte |= bits[7U] ? 0x01U : 0x00U;
}
void CUtils::bitsToByteLE(const bool* bits, unsigned char& byte)
{
assert(bits != NULL);
byte = bits[0U] ? 0x01U : 0x00U;
byte |= bits[1U] ? 0x02U : 0x00U;
byte |= bits[2U] ? 0x04U : 0x00U;
byte |= bits[3U] ? 0x08U : 0x00U;
byte |= bits[4U] ? 0x10U : 0x00U;
byte |= bits[5U] ? 0x20U : 0x00U;
byte |= bits[6U] ? 0x40U : 0x00U;
byte |= bits[7U] ? 0x80U : 0x00U;
}

30
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@ -0,0 +1,30 @@
/*
* Copyright (C) 2009,2014,2015 by Jonathan Naylor, G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef Utils_H
#define Utils_H
#include <string>
class CUtils {
public:
static void byteToBitsBE(unsigned char byte, bool* bits);
static void byteToBitsLE(unsigned char byte, bool* bits);
static void bitsToByteBE(const bool* bits, unsigned char& byte);
static void bitsToByteLE(const bool* bits, unsigned char& byte);
private:
};
#endif

17
src/main.cpp
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@ -87,16 +87,17 @@ int main(int argc, const char * argv[])
#endif
// check arguments
if ( argc != 3 )
if ( argc != 4 )
{
std::cout << "Usage: xlxd callsign ip" << std::endl;
std::cout << "example: xlxd XLX999 192.168.178.212" << std::endl;
std::cout << "Usage: xlxd callsign xlxdip ambedip" << std::endl;
std::cout << "example: xlxd XLX999 192.168.178.212 127.0.0.1" << std::endl;
return 1;
}
// initialize reflector
g_Reflector.SetCallsign(argv[1]);
g_Reflector.SetListenIp(CIp(argv[2]));
g_Reflector.SetTranscoderIp(CIp(CIp(argv[3])));
// and let it run
if ( !g_Reflector.Start() )
@ -116,8 +117,14 @@ int main(int argc, const char * argv[])
}
#else
// wait any key
//for (;;);
std::cin.get();
for (;;)
{
std::cin.get();
#ifdef DEBUG_DUMPFILE
g_Reflector.m_DebugFile.close();
g_Reflector.m_DebugFile.open("/Users/jeanluc/Desktop/dmrdebug.txt");
#endif
}
#endif
// and wait for end

118
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@ -27,6 +27,7 @@
#include <vector>
#include <array>
#include <map>
#include <queue>
#include <chrono>
#include <thread>
@ -46,76 +47,115 @@
// version -----------------------------------------------------
#define VERSION_MAJOR 1
#define VERSION_MINOR 4
#define VERSION_REVISION 3
#define VERSION_MAJOR 2
#define VERSION_MINOR 0
#define VERSION_REVISION 0
// global ------------------------------------------------------
#define RUN_AS_DAEMON
#define JSON_MONITOR
//#define NO_ERROR_ON_XML_OPEN_FAIL
//#define DEBUG_DUMPFILE
// reflector ---------------------------------------------------
#define NB_OF_MODULES 8
#define NB_OF_MODULES 10
//#define NB_OF_MODULES NB_MODULES_MAX
// protocols ---------------------------------------------------
#define NB_OF_PROTOCOLS 4
#define NB_OF_PROTOCOLS 6
#define PROTOCOL_ANY -1
#define PROTOCOL_NONE 0
#define PROTOCOL_DEXTRA 1
#define PROTOCOL_DPLUS 2
#define PROTOCOL_DCS 3
#define PROTOCOL_XLX 4
#define PROTOCOL_ANY -1
#define PROTOCOL_NONE 0
#define PROTOCOL_DEXTRA 1
#define PROTOCOL_DPLUS 2
#define PROTOCOL_DCS 3
#define PROTOCOL_XLX 4
#define PROTOCOL_DMRPLUS 5
#define PROTOCOL_DMRMMDVM 6
// DExtra
#define DEXTRA_PORT 30001 // UDP port
#define DEXTRA_KEEPALIVE_PERIOD 3 // in seconds
#define DEXTRA_KEEPALIVE_TIMEOUT (DEXTRA_KEEPALIVE_PERIOD*10) // in seconds
#define DEXTRA_PORT 30001 // UDP port
#define DEXTRA_KEEPALIVE_PERIOD 3 // in seconds
#define DEXTRA_KEEPALIVE_TIMEOUT (DEXTRA_KEEPALIVE_PERIOD*10) // in seconds
// DPlus
#define DPLUS_PORT 20001 // UDP port
#define DPLUS_KEEPALIVE_PERIOD 1 // in seconds
#define DPLUS_KEEPALIVE_TIMEOUT (DPLUS_KEEPALIVE_PERIOD*10) // in seconds
#define DPLUS_PORT 20001 // UDP port
#define DPLUS_KEEPALIVE_PERIOD 1 // in seconds
#define DPLUS_KEEPALIVE_TIMEOUT (DPLUS_KEEPALIVE_PERIOD*10) // in seconds
// DCS
#define DCS_PORT 30051 // UDP port
#define DCS_KEEPALIVE_PERIOD 1 // in seconds
#define DCS_KEEPALIVE_TIMEOUT (DCS_KEEPALIVE_PERIOD*30) // in seconds
#define DCS_PORT 30051 // UDP port
#define DCS_KEEPALIVE_PERIOD 1 // in seconds
#define DCS_KEEPALIVE_TIMEOUT (DCS_KEEPALIVE_PERIOD*30) // in seconds
// XLX
#define XLX_PORT 10002 // UDP port
#define XLX_KEEPALIVE_PERIOD 1 // in seconds
#define XLX_KEEPALIVE_TIMEOUT (XLX_KEEPALIVE_PERIOD*30) // in seconds
#define XLX_RECONNECT_PERIOD 5 // in seconds
#define XLX_PORT 10002 // UDP port
#define XLX_KEEPALIVE_PERIOD 1 // in seconds
#define XLX_KEEPALIVE_TIMEOUT (XLX_KEEPALIVE_PERIOD*30) // in seconds
#define XLX_RECONNECT_PERIOD 5 // in seconds
// DMRPlus (dongle)
#define DMRPLUS_PORT 8880 // UDP port
#define DMRPLUS_KEEPALIVE_PERIOD 1 // in seconds
#define DMRPLUS_KEEPALIVE_TIMEOUT (DMRPLUS_KEEPALIVE_PERIOD*10) // in seconds
#define DMRPLUS_REFLECTOR_SLOT DMR_SLOT2
#define DMRPLUS_REFLECTOR_COLOUR 1
// DMRMmdvm
#define DMRMMDVM_PORT 62030 // UDP port
#define DMRMMDVM_KEEPALIVE_PERIOD 10 // in seconds
#define DMRMMDVM_KEEPALIVE_TIMEOUT (DMRMMDVM_KEEPALIVE_PERIOD*10) // in seconds
#define DMRMMDVM_REFLECTOR_SLOT DMR_SLOT2
#define DMRMMDVM_REFLECTOR_COLOUR 1
// Transcoder server --------------------------------------------
#define TRANSCODER_PORT 10100 // UDP port
#define TRANSCODER_KEEPALIVE_PERIOD 5 // in seconds
#define TRANSCODER_KEEPALIVE_TIMEOUT 30 // in seconds
#define TRANSCODER_AMBEPACKET_TIMEOUT 400 // in ms
// codec --------------------------------------------------------
#define CODEC_NONE 0
#define CODEC_AMBEPLUS 1 // DStar
#define CODEC_AMBE2PLUS 2 // DMR
// DMRid database -----------------------------------------------
#define DMRIDDB_USE_RLX_SERVER 0
#define DMRIDDB_PATH "/xlxd/dmrid.dat"
// xml & json reporting -----------------------------------------
#define LASTHEARD_USERS_MAX_SIZE 100
#define XML_UPDATE_PERIOD 10 // in seconds
#define JSON_UPDATE_PERIOD 10 // in seconds
#define JSON_PORT 10001
#define LASTHEARD_USERS_MAX_SIZE 100
#define XML_UPDATE_PERIOD 10 // in seconds
#define JSON_UPDATE_PERIOD 10 // in seconds
#define JSON_PORT 10001
// system paths -------------------------------------------------
#define XML_PATH "/var/log/xlxd.xml"
#define WHITELIST_PATH "/xlxd/xlxd.whitelist"
#define BLACKLIST_PATH "/xlxd/xlxd.blacklist"
#define INTERLINKLIST_PATH "/xlxd/xlxd.interlink"
#define XML_PATH "/var/log/xlxd.xml"
#define WHITELIST_PATH "/xlxd/xlxd.whitelist"
#define BLACKLIST_PATH "/xlxd/xlxd.blacklist"
#define INTERLINKLIST_PATH "/xlxd/xlxd.interlink"
#define DEBUGDUMP_PATH "/var/log/xlxd.debug"
// system constants ---------------------------------------------
#define NB_MODULES_MAX 26
#define NB_MODULES_MAX 26
////////////////////////////////////////////////////////////////////////////////////////
// typedefs
typedef unsigned char uint8;
typedef unsigned short uint16;
typedef unsigned long uint32;
typedef unsigned int uint32;
typedef unsigned int uint;
@ -125,8 +165,11 @@ typedef unsigned int uint;
#define MIN(a,b) ((a) < (b))?(a):(b)
#define MAX(a,b) ((a) > (b))?(a):(b)
#define MAKEWORD(low, high) ((uint16)(((uint8)(low)) | (((uint16)((uint8)(high))) << 8)))
#define MAKEDWORD(low, high) ((uint32)(((uint16)(low)) | (((uint32)((uint16)(high))) << 16)))
#define LOBYTE(w) ((uint8)(uint16)(w & 0x00FF))
#define HIBYTE(w) ((uint8)((((uint16)(w)) >> 8) & 0xFF))
#define LOWORD(dw) ((uint16)(uint32)(dw & 0x0000FFFF))
#define HIWORD(dw) ((uint16)((((uint32)(dw)) >> 16) & 0xFFFF))
////////////////////////////////////////////////////////////////////////////////////////
// global objects
@ -137,5 +180,12 @@ extern CReflector g_Reflector;
class CGateKeeper;
extern CGateKeeper g_GateKeeper;
class CDmridDir;
extern CDmridDir g_DmridDir;
class CTranscoder;
extern CTranscoder g_Transcoder;
////////////////////////////////////////////////////////////////////////////////////////
#endif /* main_h */