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First attempts at NXDN GPS to aprs.fi.

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This commit is contained in:
Jonathan Naylor 2018-05-22 20:43:04 +01:00
parent 4d09647a7e
commit 9c3673687d
18 changed files with 1482 additions and 7 deletions
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157
NXDNGateway/APRSWriter.cpp Normal file
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@ -0,0 +1,157 @@
/*
* Copyright (C) 2010-2014,2016,2017,2018 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 "APRSWriter.h"
#include <cstdio>
#include <cassert>
#include <cstring>
#include <cmath>
CAPRSWriter::CAPRSWriter(const std::string& callsign, const std::string& suffix, const std::string& password, const std::string& address, unsigned int port) :
m_thread(NULL),
m_enabled(false),
m_idTimer(1000U, 20U * 60U), // 20 minutes
m_callsign(callsign),
m_txFrequency(0U),
m_rxFrequency(0U),
m_latitude(0.0F),
m_longitude(0.0F),
m_height(0),
m_desc()
{
assert(!callsign.empty());
assert(!password.empty());
assert(!address.empty());
assert(port > 0U);
if (!suffix.empty()) {
m_callsign.append("-");
m_callsign.append(suffix.substr(0U, 1U));
}
m_thread = new CAPRSWriterThread(m_callsign, password, address, port);
}
CAPRSWriter::~CAPRSWriter()
{
}
void CAPRSWriter::setInfo(unsigned int txFrequency, unsigned int rxFrequency, float latitude, float longitude, int height, const std::string& desc)
{
m_txFrequency = txFrequency;
m_rxFrequency = rxFrequency;
m_latitude = latitude;
m_longitude = longitude;
m_height = height;
m_desc = desc;
}
bool CAPRSWriter::open()
{
m_idTimer.start();
return m_thread->start();
}
void CAPRSWriter::write(const char* data)
{
assert(data != NULL);
m_thread->write(data);
}
void CAPRSWriter::clock(unsigned int ms)
{
m_idTimer.clock(ms);
if (m_idTimer.hasExpired()) {
sendIdFrames();
m_idTimer.start();
}
}
void CAPRSWriter::close()
{
m_thread->stop();
}
void CAPRSWriter::sendIdFrames()
{
if (!m_thread->isConnected())
return;
// Default values aren't passed on
if (m_latitude == 0.0F && m_longitude == 0.0F)
return;
char desc[200U];
if (m_txFrequency != 0U) {
float offset = float(int(m_rxFrequency) - int(m_txFrequency)) / 1000000.0F;
::sprintf(desc, "MMDVM Voice %.5LfMHz %c%.4lfMHz%s%s",
(long double)(m_txFrequency) / 1000000.0F,
offset < 0.0F ? '-' : '+',
::fabs(offset), m_desc.empty() ? "" : ", ", m_desc.c_str());
} else {
::sprintf(desc, "MMDVM Voice%s%s", m_desc.empty() ? "" : ", ", m_desc.c_str());
}
const char* band = "4m";
if (m_txFrequency >= 1200000000U)
band = "1.2";
else if (m_txFrequency >= 420000000U)
band = "440";
else if (m_txFrequency >= 144000000U)
band = "2m";
else if (m_txFrequency >= 50000000U)
band = "6m";
else if (m_txFrequency >= 28000000U)
band = "10m";
double tempLat = ::fabs(m_latitude);
double tempLong = ::fabs(m_longitude);
double latitude = ::floor(tempLat);
double longitude = ::floor(tempLong);
latitude = (tempLat - latitude) * 60.0 + latitude * 100.0;
longitude = (tempLong - longitude) * 60.0 + longitude * 100.0;
char lat[20U];
::sprintf(lat, "%07.2lf", latitude);
char lon[20U];
::sprintf(lon, "%08.2lf", longitude);
std::string server = m_callsign;
size_t pos = server.find_first_of('-');
if (pos == std::string::npos)
server.append("-S");
else
server.append("S");
char output[500U];
::sprintf(output, "%s>APDG04,TCPIP*,qAC,%s:!%s%cD%s%c&/A=%06.0f%s %s",
m_callsign.c_str(), server.c_str(),
lat, (m_latitude < 0.0F) ? 'S' : 'N',
lon, (m_longitude < 0.0F) ? 'W' : 'E',
float(m_height) * 3.28F, band, desc);
m_thread->write(output);
m_idTimer.start();
}

57
NXDNGateway/APRSWriter.h Normal file
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@ -0,0 +1,57 @@
/*
* Copyright (C) 2010,2011,2012,2016,2017,2018 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 APRSWriter_H
#define APRSWriter_H
#include "APRSWriterThread.h"
#include "Timer.h"
#include <string>
class CAPRSWriter {
public:
CAPRSWriter(const std::string& callsign, const std::string& suffix, const std::string& password, const std::string& address, unsigned int port);
~CAPRSWriter();
bool open();
void setInfo(unsigned int txFrequency, unsigned int rxFrequency, float latitude, float longitude, int height, const std::string& desc);
void write(const char* data);
void clock(unsigned int ms);
void close();
private:
CAPRSWriterThread* m_thread;
bool m_enabled;
CTimer m_idTimer;
std::string m_callsign;
unsigned int m_txFrequency;
unsigned int m_rxFrequency;
float m_latitude;
float m_longitude;
int m_height;
std::string m_desc;
void sendIdFrames();
};
#endif

248
NXDNGateway/APRSWriterThread.cpp Normal file
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@ -0,0 +1,248 @@
/*
* Copyright (C) 2010-2014,2016 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 "APRSWriterThread.h"
#include "Utils.h"
#include "Log.h"
#include <algorithm>
#include <functional>
#include <cctype>
#include <cstdint>
#include <cstdio>
#include <cassert>
// #define DUMP_TX
const unsigned int CALLSIGN_LENGTH = 8U;
const unsigned int APRS_TIMEOUT = 10U;
CAPRSWriterThread::CAPRSWriterThread(const std::string& callsign, const std::string& password, const std::string& address, unsigned int port) :
CThread(),
m_username(callsign),
m_password(password),
m_socket(address, port),
m_queue(20U, "APRS Queue"),
m_exit(false),
m_connected(false),
m_APRSReadCallback(NULL),
m_filter(),
m_clientName("YSFGateway")
{
assert(!callsign.empty());
assert(!password.empty());
assert(!address.empty());
assert(port > 0U);
m_username.resize(CALLSIGN_LENGTH, ' ');
m_username.erase(std::find_if(m_username.rbegin(), m_username.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), m_username.end());
std::transform(m_username.begin(), m_username.end(), m_username.begin(), ::toupper);
}
CAPRSWriterThread::CAPRSWriterThread(const std::string& callsign, const std::string& password, const std::string& address, unsigned int port, const std::string& filter, const std::string& clientName) :
CThread(),
m_username(callsign),
m_password(password),
m_socket(address, port),
m_queue(20U, "APRS Queue"),
m_exit(false),
m_connected(false),
m_APRSReadCallback(NULL),
m_filter(filter),
m_clientName(clientName)
{
assert(!callsign.empty());
assert(!password.empty());
assert(!address.empty());
assert(port > 0U);
m_username.resize(CALLSIGN_LENGTH, ' ');
m_username.erase(std::find_if(m_username.rbegin(), m_username.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), m_username.end());
std::transform(m_username.begin(), m_username.end(), m_username.begin(), ::toupper);
}
CAPRSWriterThread::~CAPRSWriterThread()
{
m_username.clear();
}
bool CAPRSWriterThread::start()
{
run();
return true;
}
void CAPRSWriterThread::entry()
{
LogMessage("Starting the APRS Writer thread");
m_connected = connect();
try {
while (!m_exit) {
if (!m_connected) {
m_connected = connect();
if (!m_connected){
LogError("Reconnect attempt to the APRS server has failed");
sleep(10000UL); // 10 secs
}
}
if (m_connected) {
if (!m_queue.isEmpty()){
char* p = NULL;
m_queue.getData(&p, 1U);
LogMessage("APRS ==> %s", p);
::strcat(p, "\r\n");
bool ret = m_socket.write((unsigned char*)p, ::strlen(p));
if (!ret) {
m_connected = false;
m_socket.close();
LogError("Connection to the APRS thread has failed");
}
delete[] p;
}
{
std::string line;
int length = m_socket.readLine(line, APRS_TIMEOUT);
if (length < 0) {
m_connected = false;
m_socket.close();
LogError("Error when reading from the APRS server");
}
if(length > 0 && line.at(0U) != '#'//check if we have something and if that something is an APRS frame
&& m_APRSReadCallback != NULL)//do we have someone wanting an APRS Frame?
{
//wxLogMessage(wxT("Received APRS Frame : ") + line);
m_APRSReadCallback(std::string(line));
}
}
}
}
if (m_connected)
m_socket.close();
while (!m_queue.isEmpty()) {
char* p = NULL;
m_queue.getData(&p, 1U);
delete[] p;
}
}
catch (std::exception& e) {
LogError("Exception raised in the APRS Writer thread - \"%s\"", e.what());
}
catch (...) {
LogError("Unknown exception raised in the APRS Writer thread");
}
LogMessage("Stopping the APRS Writer thread");
}
void CAPRSWriterThread::setReadAPRSCallback(ReadAPRSFrameCallback cb)
{
m_APRSReadCallback = cb;
}
void CAPRSWriterThread::write(const char* data)
{
assert(data != NULL);
if (!m_connected)
return;
unsigned int len = ::strlen(data);
char* p = new char[len + 5U];
::strcpy(p, data);
m_queue.addData(&p, 1U);
}
bool CAPRSWriterThread::isConnected() const
{
return m_connected;
}
void CAPRSWriterThread::stop()
{
m_exit = true;
wait();
}
bool CAPRSWriterThread::connect()
{
bool ret = m_socket.open();
if (!ret)
return false;
//wait for lgin banner
int length;
std::string serverResponse;
length = m_socket.readLine(serverResponse, APRS_TIMEOUT);
if (length == 0) {
LogError("No reply from the APRS server after %u seconds", APRS_TIMEOUT);
m_socket.close();
return false;
}
LogMessage("Received login banner : %s", serverResponse.c_str());
std::string filter(m_filter);
if (filter.length() > 0)
filter.insert(0U, " filter ");
char connectString[200U];
::sprintf(connectString, "user %s pass %s vers %s%s\n", m_username.c_str(), m_password.c_str(), (m_clientName.length() ? m_clientName : "YSFGateway").c_str(), filter.c_str());
ret = m_socket.writeLine(std::string(connectString));
if (!ret) {
m_socket.close();
return false;
}
length = m_socket.readLine(serverResponse, APRS_TIMEOUT);
if (length == 0) {
LogError("No reply from the APRS server after %u seconds", APRS_TIMEOUT);
m_socket.close();
return false;
}
if (length < 0) {
LogError("Error when reading from the APRS server");
m_socket.close();
return false;
}
LogMessage("Response from APRS server: %s", serverResponse.c_str());
LogMessage("Connected to the APRS server");
return true;
}

62
NXDNGateway/APRSWriterThread.h Normal file
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@ -0,0 +1,62 @@
/*
* Copyright (C) 2010,2011,2012,2016 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 APRSWriterThread_H
#define APRSWriterThread_H
#include "TCPSocket.h"
#include "RingBuffer.h"
#include "Thread.h"
#include <string>
typedef void (*ReadAPRSFrameCallback)(const std::string&);
class CAPRSWriterThread : public CThread {
public:
CAPRSWriterThread(const std::string& callsign, const std::string& password, const std::string& address, unsigned int port);
CAPRSWriterThread(const std::string& callsign, const std::string& password, const std::string& address, unsigned int port, const std::string& filter, const std::string& clientName);
virtual ~CAPRSWriterThread();
virtual bool start();
virtual bool isConnected() const;
virtual void write(const char* data);
virtual void entry();
virtual void stop();
void setReadAPRSCallback(ReadAPRSFrameCallback cb);
private:
std::string m_username;
std::string m_password;
CTCPSocket m_socket;
CRingBuffer<char*> m_queue;
bool m_exit;
bool m_connected;
ReadAPRSFrameCallback m_APRSReadCallback;
std::string m_filter;
std::string m_clientName;
bool connect();
};
#endif

123
NXDNGateway/Conf.cpp
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@ -29,20 +29,31 @@ const int BUFFER_SIZE = 500;
enum SECTION {
SECTION_NONE,
SECTION_GENERAL,
SECTION_INFO,
SECTION_ID_LOOKUP,
SECTION_VOICE,
SECTION_LOG,
SECTION_APRS_FI,
SECTION_NETWORK
};
CConf::CConf(const std::string& file) :
m_file(file),
m_callsign(),
m_suffix(),
m_rptAddress(),
m_rptPort(0U),
m_myPort(0U),
m_rptDebug(false),
m_daemon(false),
m_rxFrequency(0U),
m_txFrequency(0U),
m_power(0U),
m_latitude(0.0F),
m_longitude(0.0F),
m_height(0),
m_name(),
m_description(),
m_lookupName(),
m_lookupTime(0U),
m_voiceEnabled(true),
@ -50,6 +61,11 @@ m_voiceLanguage("en_GB"),
m_voiceDirectory(),
m_logFilePath(),
m_logFileRoot(),
m_aprsEnabled(false),
m_aprsServer(),
m_aprsPort(0U),
m_aprsPassword(),
m_aprsDescription(),
m_networkPort(0U),
m_networkHosts(),
m_networkReloadTime(0U),
@ -85,12 +101,16 @@ bool CConf::read()
if (buffer[0U] == '[') {
if (::strncmp(buffer, "[General]", 9U) == 0)
section = SECTION_GENERAL;
else if (::strncmp(buffer, "[Info]", 6U) == 0)
section = SECTION_INFO;
else if (::strncmp(buffer, "[Id Lookup]", 11U) == 0)
section = SECTION_ID_LOOKUP;
else if (::strncmp(buffer, "[Voice]", 7U) == 0)
section = SECTION_VOICE;
else if (::strncmp(buffer, "[Log]", 5U) == 0)
section = SECTION_LOG;
else if (::strncmp(buffer, "[aprs.fi]", 9U) == 0)
section = SECTION_APRS_FI;
else if (::strncmp(buffer, "[Network]", 9U) == 0)
section = SECTION_NETWORK;
else
@ -110,6 +130,11 @@ bool CConf::read()
for (unsigned int i = 0U; value[i] != 0; i++)
value[i] = ::toupper(value[i]);
m_callsign = value;
} else if (::strcmp(key, "Suffix") == 0) {
// Convert the callsign to upper case
for (unsigned int i = 0U; value[i] != 0; i++)
value[i] = ::toupper(value[i]);
m_suffix = value;
} else if (::strcmp(key, "RptAddress") == 0)
m_rptAddress = value;
else if (::strcmp(key, "RptPort") == 0)
@ -120,6 +145,23 @@ bool CConf::read()
m_rptDebug = ::atoi(value) == 1;
else if (::strcmp(key, "Daemon") == 0)
m_daemon = ::atoi(value) == 1;
} else if (section == SECTION_INFO) {
if (::strcmp(key, "TXFrequency") == 0)
m_txFrequency = (unsigned int)::atoi(value);
else if (::strcmp(key, "RXFrequency") == 0)
m_rxFrequency = (unsigned int)::atoi(value);
else if (::strcmp(key, "Power") == 0)
m_power = (unsigned int)::atoi(value);
else if (::strcmp(key, "Latitude") == 0)
m_latitude = float(::atof(value));
else if (::strcmp(key, "Longitude") == 0)
m_longitude = float(::atof(value));
else if (::strcmp(key, "Height") == 0)
m_height = ::atoi(value);
else if (::strcmp(key, "Name") == 0)
m_name = value;
else if (::strcmp(key, "Description") == 0)
m_description = value;
} else if (section == SECTION_ID_LOOKUP) {
if (::strcmp(key, "Name") == 0)
m_lookupName = value;
@ -137,6 +179,17 @@ bool CConf::read()
m_logFilePath = value;
else if (::strcmp(key, "FileRoot") == 0)
m_logFileRoot = value;
} else if (section == SECTION_APRS_FI) {
if (::strcmp(key, "Enable") == 0)
m_aprsEnabled = ::atoi(value) == 1;
else if (::strcmp(key, "Server") == 0)
m_aprsServer = value;
else if (::strcmp(key, "Port") == 0)
m_aprsPort = (unsigned int)::atoi(value);
else if (::strcmp(key, "Password") == 0)
m_aprsPassword = value;
else if (::strcmp(key, "Description") == 0)
m_aprsDescription = value;
} else if (section == SECTION_NETWORK) {
if (::strcmp(key, "Port") == 0)
m_networkPort = (unsigned int)::atoi(value);
@ -171,6 +224,11 @@ std::string CConf::getCallsign() const
return m_callsign;
}
std::string CConf::getSuffix() const
{
return m_suffix;
}
std::string CConf::getRptAddress() const
{
return m_rptAddress;
@ -196,6 +254,46 @@ bool CConf::getDaemon() const
return m_daemon;
}
unsigned int CConf::getRxFrequency() const
{
return m_rxFrequency;
}
unsigned int CConf::getTxFrequency() const
{
return m_txFrequency;
}
unsigned int CConf::getPower() const
{
return m_power;
}
float CConf::getLatitude() const
{
return m_latitude;
}
float CConf::getLongitude() const
{
return m_longitude;
}
int CConf::getHeight() const
{
return m_height;
}
std::string CConf::getName() const
{
return m_name;
}
std::string CConf::getDescription() const
{
return m_description;
}
std::string CConf::getLookupName() const
{
return m_lookupName;
@ -226,6 +324,31 @@ std::string CConf::getLogFilePath() const
return m_logFilePath;
}
bool CConf::getAPRSEnabled() const
{
return m_aprsEnabled;
}
std::string CConf::getAPRSServer() const
{
return m_aprsServer;
}
unsigned int CConf::getAPRSPort() const
{
return m_aprsPort;
}
std::string CConf::getAPRSPassword() const
{
return m_aprsPassword;
}
std::string CConf::getAPRSDescription() const
{
return m_aprsDescription;
}
std::string CConf::getLogFileRoot() const
{
return m_logFileRoot;

34
NXDNGateway/Conf.h
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@ -32,12 +32,23 @@ public:
// The General section
std::string getCallsign() const;
std::string getSuffix() const;
std::string getRptAddress() const;
unsigned int getRptPort() const;
unsigned int getMyPort() const;
bool getRptDebug() const;
bool getDaemon() const;
// The Info section
unsigned int getRxFrequency() const;
unsigned int getTxFrequency() const;
unsigned int getPower() const;
float getLatitude() const;
float getLongitude() const;
int getHeight() const;
std::string getName() const;
std::string getDescription() const;
// The Id Lookup section
std::string getLookupName() const;
unsigned int getLookupTime() const;
@ -47,6 +58,13 @@ public:
std::string getVoiceLanguage() const;
std::string getVoiceDirectory() const;
// The aprs.fi section
bool getAPRSEnabled() const;
std::string getAPRSServer() const;
unsigned int getAPRSPort() const;
std::string getAPRSPassword() const;
std::string getAPRSDescription() const;
// The Log section
std::string getLogFilePath() const;
std::string getLogFileRoot() const;
@ -66,12 +84,22 @@ public:
private:
std::string m_file;
std::string m_callsign;
std::string m_suffix;
std::string m_rptAddress;
unsigned int m_rptPort;
unsigned int m_myPort;
bool m_rptDebug;
bool m_daemon;
unsigned int m_rxFrequency;
unsigned int m_txFrequency;
unsigned int m_power;
float m_latitude;
float m_longitude;
int m_height;
std::string m_name;
std::string m_description;
std::string m_lookupName;
unsigned int m_lookupTime;
@ -82,6 +110,12 @@ private:
std::string m_logFilePath;
std::string m_logFileRoot;
bool m_aprsEnabled;
std::string m_aprsServer;
unsigned int m_aprsPort;
std::string m_aprsPassword;
std::string m_aprsDescription;
unsigned int m_networkPort;
std::string m_networkHosts;
unsigned int m_networkReloadTime;

171
NXDNGateway/GPSHandler.cpp Normal file
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@ -0,0 +1,171 @@
/*
* Copyright (C) 2018 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 "GPSHandler.h"
#include "Utils.h"
#include <cstdint>
#include <cstdio>
#include <cassert>
#include <cstring>
const unsigned char NXDN_DATA_TYPE_GPS = 0x06U;
const unsigned int NXDN_DATA_LENGTH = 20U;
const unsigned int NXDN_DATA_MAX_LENGTH = 15U * NXDN_DATA_LENGTH;
CGPSHandler::CGPSHandler(const std::string& callsign, const std::string& suffix, const std::string& password, const std::string& address, unsigned int port) :
m_callsign(callsign),
m_writer(callsign, suffix, password, address, port),
m_data(NULL),
m_length(0U),
m_source()
{
assert(!callsign.empty());
assert(!password.empty());
assert(!address.empty());
assert(port > 0U);
m_data = new char[NXDN_DATA_MAX_LENGTH];
reset();
}
CGPSHandler::~CGPSHandler()
{
delete[] m_data;
}
bool CGPSHandler::open()
{
return m_writer.open();
}
void CGPSHandler::setInfo(unsigned int txFrequency, unsigned int rxFrequency, float latitude, float longitude, int height, const std::string& desc)
{
m_writer.setInfo(txFrequency, rxFrequency, latitude, longitude, height, desc);
}
void CGPSHandler::processHeader(const std::string& source)
{
m_source = source;
}
void CGPSHandler::processData(const unsigned char* data)
{
assert(data != NULL);
::memcpy(m_data + m_length, data + 1U, NXDN_DATA_LENGTH);
m_length += NXDN_DATA_LENGTH;
if (data[0U] == 0x00U) {
processNMEA();
reset();
}
}
void CGPSHandler::processEnd()
{
reset();
}
void CGPSHandler::clock(unsigned int ms)
{
m_writer.clock(ms);
}
void CGPSHandler::close()
{
m_writer.close();
}
void CGPSHandler::reset()
{
::memset(m_data, 0x00U, NXDN_DATA_MAX_LENGTH);
m_length = 0U;
m_source.clear();
}
void CGPSHandler::processNMEA()
{
if (m_data[0U] != NXDN_DATA_TYPE_GPS)
return;
if (::memcmp(m_data + 1U, "$G", 2U) != 0)
return;
if (::strchr(m_data + 1U, '*') == NULL)
return;
if (!checkXOR())
return;
if (::memcmp(m_data + 4U, "RMC", 3U) != 0) {
CUtils::dump("Unhandled NMEA sentence", (unsigned char*)(m_data + 1U), m_length - 1U);
return;
}
// Parse the $GxRMC string into tokens
char* pRMC[20U];
::memset(pRMC, 0x00U, 20U * sizeof(char*));
unsigned int nRMC = 0U;
char* p = NULL;
char* d = m_data + 1U;
while ((p = ::strtok(d, ",\r\n")) != NULL) {
pRMC[nRMC++] = p;
d = NULL;
}
// Is there any position data?
if (pRMC[3U] == NULL || pRMC[4U] == NULL || pRMC[5U] == NULL || pRMC[6U] == NULL || ::strlen(pRMC[3U]) == 0U || ::strlen(pRMC[4U]) == 0U || ::strlen(pRMC[5U]) == 0 || ::strlen(pRMC[6U]) == 0)
return;
// Is it a valid GPS fix?
if (::strcmp(pRMC[2U], "A") != 0)
return;
char output[300U];
if (pRMC[7U] != NULL && pRMC[8U] != NULL && ::strlen(pRMC[7U]) > 0U && ::strlen(pRMC[8U]) > 0U) {
int bearing = ::atoi(pRMC[8U]);
int speed = ::atoi(pRMC[7U]);
::sprintf(output, "%s-Y>APDPRS,NXDN*,qAR,%s:!%s%s/%s%sr%03d/%03d via MMDVM",
m_source.c_str(), m_callsign.c_str(), pRMC[3U], pRMC[4U], pRMC[5U], pRMC[6U], bearing, speed);
} else {
::sprintf(output, "%s-Y>APDPRS,NXDN*,qAR,%s:!%s%s/%s%sr via MMDVM",
m_source.c_str(), m_callsign.c_str(), pRMC[3U], pRMC[4U], pRMC[5U], pRMC[6U]);
}
m_writer.write(output);
}
bool CGPSHandler::checkXOR() const
{
char* p1 = ::strchr(m_data, '$');
char* p2 = ::strchr(m_data, '*');
unsigned char res = 0U;
for (char* q = p1; q < p2; q++)
res ^= *q;
char buffer[10U];
::sprintf(buffer, "%02X", res);
return ::memcmp(buffer, p2 + 1U, 2U) == 0;
}

57
NXDNGateway/GPSHandler.h Normal file
View File

@ -0,0 +1,57 @@
/*
* Copyright (C) 2018 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 GPSHandler_H
#define GPSHandler_H
#include "APRSWriter.h"
#include <string>
class CGPSHandler {
public:
CGPSHandler(const std::string& callsign, const std::string& suffix, const std::string& password, const std::string& address, unsigned int port);
~CGPSHandler();
bool open();
void setInfo(unsigned int txFrequency, unsigned int rxFrequency, float latitude, float longitude, int height, const std::string& desc);
void processHeader(const std::string& source);
void processData(const unsigned char* data);
void processEnd();
void clock(unsigned int ms);
void close();
private:
std::string m_callsign;
CAPRSWriter m_writer;
char* m_data;
unsigned int m_length;
std::string m_source;
void processNMEA();
bool checkXOR() const;
void reset();
};
#endif

3
NXDNGateway/Makefile
View File

@ -4,7 +4,8 @@ CFLAGS = -g -O3 -Wall -std=c++0x -pthread
LIBS = -lpthread
LDFLAGS = -g
OBJECTS = Conf.o IcomNetwork.o Log.o Mutex.o NXDNCRC.o NXDNGateway.o NXDNLookup.o NXDNNetwork.o Reflectors.o StopWatch.o Thread.o Timer.o UDPSocket.o Utils.o Voice.o
OBJECTS = APRSWriter.o APRSWriterThread.o Conf.o GPSHandler.o IcomNetwork.o Log.o Mutex.o NXDNCRC.o NXDNGateway.o NXDNLookup.o NXDNNetwork.o Reflectors.o \
StopWatch.o TCPSocket.o Thread.o Timer.o UDPSocket.o Utils.o Voice.o
all: NXDNGateway

75
NXDNGateway/NXDNGateway.cpp
View File

@ -21,6 +21,7 @@
#include "NXDNGateway.h"
#include "NXDNLookup.h"
#include "Reflectors.h"
#include "GPSHandler.h"
#include "StopWatch.h"
#include "Version.h"
#include "Thread.h"
@ -54,6 +55,10 @@ const char* DEFAULT_INI_FILE = "/etc/NXDNGateway.ini";
#include <ctime>
#include <cstring>
const unsigned char NXDN_TYPE_DCALL_HDR = 0x09U;
const unsigned char NXDN_TYPE_DCALL = 0x0BU;
const unsigned char NXDN_TYPE_TX_REL = 0x08U;
const unsigned short NXDN_VOICE_ID = 9999U;
int main(int argc, char** argv)
@ -166,6 +171,8 @@ void CNXDNGateway::run()
in_addr rptAddr = CUDPSocket::lookup(m_conf.getRptAddress());
unsigned int rptPort = m_conf.getRptPort();
createGPS();
CIcomNetwork localNetwork(m_conf.getMyPort(), m_conf.getRptDebug());
ret = localNetwork.open();
if (!ret) {
@ -236,7 +243,7 @@ void CNXDNGateway::run()
LogMessage("Linked at startup to reflector %u", currentId);
} else {
startupId = 9999U;
startupId = 9999U;
}
}
@ -274,10 +281,10 @@ void CNXDNGateway::run()
if ((buffer[0U] == 0x81U || buffer[0U] == 0x83U) && (buffer[5U] == 0x01U || buffer[5U] == 0x08U)) {
grp = (buffer[7U] & 0x20U) == 0x20U;
srcId = (buffer[8U] << 8) & 0xFF00U;
srcId = (buffer[8U] << 8) & 0xFF00U;
srcId |= (buffer[9U] << 0) & 0x00FFU;
dstId = (buffer[10U] << 8) & 0xFF00U;
dstId = (buffer[10U] << 8) & 0xFF00U;
dstId |= (buffer[11U] << 0) & 0x00FFU;
if (dstId != currentId) {
@ -308,7 +315,7 @@ void CNXDNGateway::run()
// Link to the new reflector
if (reflector != NULL) {
currentId = dstId;
currentId = dstId;
currentAddr = reflector->m_address;
currentPort = reflector->m_port;
@ -335,6 +342,29 @@ void CNXDNGateway::run()
}
}
if (m_gps != NULL) {
if ((buffer[0U] & 0xF0U) == 0x90U) {
switch (buffer[2U] & 0x3FU) {
case NXDN_TYPE_DCALL_HDR: {
unsigned short srcId = 0U;
srcId |= (buffer[5U] << 8) & 0xFF00U;
srcId |= (buffer[6U] << 0) & 0x00FFU;
std::string callsign = lookup->find(srcId);
m_gps->processHeader(callsign);
}
break;
case NXDN_TYPE_DCALL:
m_gps->processData(buffer + 3U);
break;
case NXDN_TYPE_TX_REL:
m_gps->processEnd();
break;
default:
break;
}
}
}
// If we're linked and we have a network, send it on
if (currentId != 9999U) {
remoteNetwork.writeData(buffer, len, srcId, dstId, grp, currentAddr, currentPort);
@ -424,6 +454,9 @@ void CNXDNGateway::run()
lostTimer.stop();
}
if (m_gps != NULL)
m_gps->clock(ms);
if (ms < 5U)
CThread::sleep(5U);
}
@ -436,5 +469,39 @@ void CNXDNGateway::run()
lookup->stop();
if (m_gps != NULL) {
m_gps->close();
delete m_gps;
}
::LogFinalise();
}
void CNXDNGateway::createGPS()
{
if (!m_conf.getAPRSEnabled())
return;
std::string callsign = m_conf.getCallsign();
std::string suffix = m_conf.getSuffix();
std::string hostname = m_conf.getAPRSServer();
unsigned int port = m_conf.getAPRSPort();
std::string password = m_conf.getAPRSPassword();
std::string desc = m_conf.getAPRSDescription();
m_gps = new CGPSHandler(callsign, suffix, password, hostname, port);
unsigned int txFrequency = m_conf.getTxFrequency();
unsigned int rxFrequency = m_conf.getRxFrequency();
float latitude = m_conf.getLatitude();
float longitude = m_conf.getLongitude();
int height = m_conf.getHeight();
m_gps->setInfo(txFrequency, rxFrequency, latitude, longitude, height, desc);
bool ret = m_gps->open();
if (!ret) {
delete m_gps;
m_gps = NULL;
}
}

6
NXDNGateway/NXDNGateway.h
View File

@ -19,6 +19,7 @@
#if !defined(NXDNGateway_H)
#define NXDNGateway_H
#include "GPSHandler.h"
#include "Timer.h"
#include "Conf.h"
@ -47,7 +48,10 @@ public:
void run();
private:
CConf m_conf;
CConf m_conf;
CGPSHandler* m_gps;
void createGPS();
};
#endif

19
NXDNGateway/NXDNGateway.ini
View File

@ -1,16 +1,35 @@
[General]
Callsign=G4KLX
Suffix=N
RptAddress=127.0.0.1
RptPort=14021
LocalPort=14020
Debug=0
Daemon=1
[Info]
RXFrequency=430475000
TXFrequency=439475000
Power=1
Latitude=0.0
Longitude=0.0
Height=0
Name=Nowhere
Description=Multi-Mode Repeater
[Voice]
Enabled=1
Language=en_GB
Directory=./Audio
[aprs.fi]
Enable=0
# Server=noam.aprs2.net
Server=euro.aprs2.net
Port=14580
Password=9999
Description=APRS Description
[Id Lookup]
Name=NXDN.csv
Time=24

9
NXDNGateway/NXDNGateway.vcxproj
View File

@ -146,7 +146,10 @@
</Link>
</ItemDefinitionGroup>
<ItemGroup>
<ClInclude Include="APRSWriter.h" />
<ClInclude Include="APRSWriterThread.h" />
<ClInclude Include="Conf.h" />
<ClInclude Include="GPSHandler.h" />
<ClInclude Include="IcomNetwork.h" />
<ClInclude Include="Log.h" />
<ClInclude Include="Mutex.h" />
@ -155,7 +158,9 @@
<ClInclude Include="NXDNLookup.h" />
<ClInclude Include="NXDNNetwork.h" />
<ClInclude Include="Reflectors.h" />
<ClInclude Include="RingBuffer.h" />
<ClInclude Include="StopWatch.h" />
<ClInclude Include="TCPSocket.h" />
<ClInclude Include="Thread.h" />
<ClInclude Include="Timer.h" />
<ClInclude Include="UDPSocket.h" />
@ -164,7 +169,10 @@
<ClInclude Include="Voice.h" />
</ItemGroup>
<ItemGroup>
<ClCompile Include="APRSWriter.cpp" />
<ClCompile Include="APRSWriterThread.cpp" />
<ClCompile Include="Conf.cpp" />
<ClCompile Include="GPSHandler.cpp" />
<ClCompile Include="IcomNetwork.cpp" />
<ClCompile Include="Log.cpp" />
<ClCompile Include="Mutex.cpp" />
@ -174,6 +182,7 @@
<ClCompile Include="NXDNNetwork.cpp" />
<ClCompile Include="Reflectors.cpp" />
<ClCompile Include="StopWatch.cpp" />
<ClCompile Include="TCPSocket.cpp" />
<ClCompile Include="Thread.cpp" />
<ClCompile Include="Timer.cpp" />
<ClCompile Include="UDPSocket.cpp" />

27
NXDNGateway/NXDNGateway.vcxproj.filters
View File

@ -59,6 +59,21 @@
<ClInclude Include="NXDNCRC.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="APRSWriter.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="APRSWriterThread.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="TCPSocket.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="RingBuffer.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="GPSHandler.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="Conf.cpp">
@ -106,5 +121,17 @@
<ClCompile Include="NXDNCRC.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="APRSWriter.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="APRSWriterThread.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="TCPSocket.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="GPSHandler.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
</Project>

2
NXDNGateway/NXDNNetwork.cpp
View File

@ -71,7 +71,7 @@ bool CNXDNNetwork::writeData(const unsigned char* data, unsigned int length, uns
buffer[9U] |= data[5U] == 0x01U ? 0x04U : 0x00U;
buffer[9U] |= data[5U] == 0x08U ? 0x08U : 0x00U;
} else if ((data[0U] & 0xF0U) == 0x90U) {
// This if data.
// This is data.
buffer[9U] |= 0x02U;
if (data[0U] == 0x90U || data[0U] == 0x92U || data[0U] == 0x9CU || data[0U] == 0x9EU) {
// This is data header or trailer.

149
NXDNGateway/RingBuffer.h Normal file
View File

@ -0,0 +1,149 @@
/*
* Copyright (C) 2006-2009,2012,2013,2015,2016 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 RingBuffer_H
#define RingBuffer_H
#include "Log.h"
#include <cstdio>
#include <cassert>
#include <cstring>
template<class T> class CRingBuffer {
public:
CRingBuffer(unsigned int length, const char* name) :
m_length(length),
m_name(name),
m_buffer(NULL),
m_iPtr(0U),
m_oPtr(0U)
{
assert(length > 0U);
assert(name != NULL);
m_buffer = new T[length];
::memset(m_buffer, 0x00, m_length * sizeof(T));
}
~CRingBuffer()
{
delete[] m_buffer;
}
bool addData(const T* buffer, unsigned int nSamples)
{
if (nSamples >= freeSpace()) {
LogError("**** Overflow in %s ring buffer, %u >= %u", m_name, nSamples, freeSpace());
return false;
}
for (unsigned int i = 0U; i < nSamples; i++) {
m_buffer[m_iPtr++] = buffer[i];
if (m_iPtr == m_length)
m_iPtr = 0U;
}
return true;
}
bool getData(T* buffer, unsigned int nSamples)
{
if (dataSize() < nSamples) {
LogError("**** Underflow in %s ring buffer, %u < %u", m_name, dataSize(), nSamples);
return false;
}
for (unsigned int i = 0U; i < nSamples; i++) {
buffer[i] = m_buffer[m_oPtr++];
if (m_oPtr == m_length)
m_oPtr = 0U;
}
return true;
}
bool peek(T* buffer, unsigned int nSamples)
{
if (dataSize() < nSamples) {
LogError("**** Underflow peek in %s ring buffer, %u < %u", m_name, dataSize(), nSamples);
return false;
}
unsigned int ptr = m_oPtr;
for (unsigned int i = 0U; i < nSamples; i++) {
buffer[i] = m_buffer[ptr++];
if (ptr == m_length)
ptr = 0U;
}
return true;
}
void clear()
{
m_iPtr = 0U;
m_oPtr = 0U;
::memset(m_buffer, 0x00, m_length * sizeof(T));
}
unsigned int freeSpace() const
{
if (m_oPtr == m_iPtr)
return m_length;
if (m_oPtr > m_iPtr)
return m_oPtr - m_iPtr;
return (m_length + m_oPtr) - m_iPtr;
}
unsigned int dataSize() const
{
return m_length - freeSpace();
}
bool hasSpace(unsigned int length) const
{
return freeSpace() > length;
}
bool hasData() const
{
return m_oPtr != m_iPtr;
}
bool isEmpty() const
{
return m_oPtr == m_iPtr;
}
private:
unsigned int m_length;
const char* m_name;
T* m_buffer;
unsigned int m_iPtr;
unsigned int m_oPtr;
};
#endif

232
NXDNGateway/TCPSocket.cpp Normal file
View File

@ -0,0 +1,232 @@
/*
* Copyright (C) 2010-2013,2016 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 "TCPSocket.h"
#include "UDPSocket.h"
#include "Log.h"
#include <cstdio>
#include <cassert>
#include <cstring>
#if defined(_WIN32) || defined(_WIN64)
typedef int ssize_t;
#else
#include <cerrno>
#endif
CTCPSocket::CTCPSocket(const std::string& address, unsigned int port) :
m_address(address),
m_port(port),
m_fd(-1)
{
assert(!address.empty());
assert(port > 0U);
#if defined(_WIN32) || defined(_WIN64)
WSAData data;
int wsaRet = ::WSAStartup(MAKEWORD(2, 2), &data);
if (wsaRet != 0)
LogError("Error from WSAStartup");
#endif
}
CTCPSocket::~CTCPSocket()
{
#if defined(_WIN32) || defined(_WIN64)
::WSACleanup();
#endif
}
bool CTCPSocket::open()
{
if (m_fd != -1)
return true;
if (m_address.empty() || m_port == 0U)
return false;
m_fd = ::socket(PF_INET, SOCK_STREAM, 0);
if (m_fd < 0) {
#if defined(_WIN32) || defined(_WIN64)
LogError("Cannot create the TCP client socket, err=%d", ::GetLastError());
#else
LogError("Cannot create the TCP client socket, err=%d", errno);
#endif
return false;
}
struct sockaddr_in addr;
::memset(&addr, 0x00, sizeof(struct sockaddr_in));
addr.sin_family = AF_INET;
addr.sin_port = htons(m_port);
addr.sin_addr = CUDPSocket::lookup(m_address);
if (addr.sin_addr.s_addr == INADDR_NONE) {
close();
return false;
}
if (::connect(m_fd, (sockaddr*)&addr, sizeof(struct sockaddr_in)) == -1) {
#if defined(_WIN32) || defined(_WIN64)
LogError("Cannot connect the TCP client socket, err=%d", ::GetLastError());
#else
LogError("Cannot connect the TCP client socket, err=%d", errno);
#endif
close();
return false;
}
int noDelay = 1;
if (::setsockopt(m_fd, IPPROTO_TCP, TCP_NODELAY, (char *)&noDelay, sizeof(noDelay)) == -1) {
#if defined(_WIN32) || defined(_WIN64)
LogError("Cannot set the TCP client socket option, err=%d", ::GetLastError());
#else
LogError("Cannot set the TCP client socket option, err=%d", errno);
#endif
close();
return false;
}
return true;
}
int CTCPSocket::read(unsigned char* buffer, unsigned int length, unsigned int secs, unsigned int msecs)
{
assert(buffer != NULL);
assert(length > 0U);
assert(m_fd != -1);
// Check that the recv() won't block
fd_set readFds;
FD_ZERO(&readFds);
#if defined(_WIN32) || defined(_WIN64)
FD_SET((unsigned int)m_fd, &readFds);
#else
FD_SET(m_fd, &readFds);
#endif
// Return after timeout
timeval tv;
tv.tv_sec = secs;
tv.tv_usec = msecs * 1000;
int ret = ::select(m_fd + 1, &readFds, NULL, NULL, &tv);
if (ret < 0) {
#if defined(_WIN32) || defined(_WIN64)
LogError("Error returned from TCP client select, err=%d", ::GetLastError());
#else
LogError("Error returned from TCP client select, err=%d", errno);
#endif
return -1;
}
#if defined(_WIN32) || defined(_WIN64)
if (!FD_ISSET((unsigned int)m_fd, &readFds))
return 0;
#else
if (!FD_ISSET(m_fd, &readFds))
return 0;
#endif
ssize_t len = ::recv(m_fd, (char*)buffer, length, 0);
if (len == 0) {
return -2;
} else if (len < 0) {
#if defined(_WIN32) || defined(_WIN64)
LogError("Error returned from recv, err=%d", ::GetLastError());
#else
LogError("Error returned from recv, err=%d", errno);
#endif
return -1;
}
return len;
}
int CTCPSocket::readLine(std::string& line, unsigned int secs)
{
// Maybe there is a better way to do this like reading blocks, pushing them for later calls
// Nevermind, we'll read one char at a time for the time being.
int resultCode;
int len = 0;
line.clear();
char c[2U];
c[1U] = 0x00U;
do
{
resultCode = read((unsigned char*)c, 1U, secs);
if (resultCode == 1){
line.append(c);
len++;
}
} while (c[0U] != '\n' && resultCode == 1);
return resultCode <= 0 ? resultCode : len;
}
bool CTCPSocket::write(const unsigned char* buffer, unsigned int length)
{
assert(buffer != NULL);
assert(length > 0U);
assert(m_fd != -1);
ssize_t ret = ::send(m_fd, (char *)buffer, length, 0);
if (ret != ssize_t(length)) {
#if defined(_WIN32) || defined(_WIN64)
LogError("Error returned from send, err=%d", ::GetLastError());
#else
LogError("Error returned from send, err=%d", errno);
#endif
return false;
}
return true;
}
bool CTCPSocket::writeLine(const std::string& line)
{
std::string lineCopy(line);
if (lineCopy.length() > 0 && lineCopy.at(lineCopy.length() - 1) != '\n')
lineCopy.append("\n");
//stupidly write one char after the other
size_t len = lineCopy.length();
bool result = true;
for (size_t i = 0U; i < len && result; i++){
unsigned char c = lineCopy.at(i);
result = write(&c , 1);
}
return result;
}
void CTCPSocket::close()
{
if (m_fd != -1) {
#if defined(_WIN32) || defined(_WIN64)
::closesocket(m_fd);
#else
::close(m_fd);
#endif
m_fd = -1;
}
}

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/*
* Copyright (C) 2010,2011,2012,2013,2016 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 TCPSocket_H
#define TCPSocket_H
#if !defined(_WIN32) && !defined(_WIN64)
#include <netdb.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <errno.h>
#else
#include <winsock.h>
#endif
#include <string>
class CTCPSocket {
public:
CTCPSocket(const std::string& address, unsigned int port);
~CTCPSocket();
bool open();
int read(unsigned char* buffer, unsigned int length, unsigned int secs, unsigned int msecs = 0U);
int readLine(std::string& line, unsigned int secs);
bool write(const unsigned char* buffer, unsigned int length);
bool writeLine(const std::string& line);
void close();
private:
std::string m_address;
unsigned short m_port;
int m_fd;
};
#endif