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Add network late entry.

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This commit is contained in:
Jonathan Naylor 2020-05-19 16:45:20 +01:00
parent a1b4a00c32
commit 9941df13c2
6 changed files with 143 additions and 59 deletions
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14
NXDNGateway/IcomNetwork.cpp
View File

@ -87,7 +87,7 @@ bool CIcomNetwork::write(const unsigned char* data, unsigned int length)
return m_socket.write(buffer, 102U, m_address, m_port);
}
bool CIcomNetwork::read(unsigned char* data)
unsigned int CIcomNetwork::read(unsigned char* data)
{
assert(data != NULL);
@ -97,16 +97,16 @@ bool CIcomNetwork::read(unsigned char* data)
int length = m_socket.read(buffer, BUFFER_LENGTH, address, port);
if (length <= 0)
return false;
return 0U;
if (m_address.s_addr != address.s_addr || m_port != port) {
LogWarning("Icom Data received from an unknown address or port - %08X:%u", ntohl(address.s_addr), port);
return false;
return 0U;
}
// Invalid packet type?
if (::memcmp(buffer, "ICOM", 4U) != 0)
return false;
return 0U;
// An Icom repeater connect request
if (buffer[4U] == 0x01U && buffer[5U] == 0x61U) {
@ -115,18 +115,18 @@ bool CIcomNetwork::read(unsigned char* data)
buffer[38U] = 0x4FU;
buffer[39U] = 0x4BU;
m_socket.write(buffer, length, address, port);
return false;
return 0U;
}
if (length != 102)
return false;
return 0U;
if (m_debug)
CUtils::dump(1U, "Icom Data Received", buffer, length);
::memcpy(data, buffer + 40U, 33U);
return true;
return 33U;
}
void CIcomNetwork::close()

2
NXDNGateway/IcomNetwork.h
View File

@ -34,7 +34,7 @@ public:
virtual bool write(const unsigned char* data, unsigned int length);
virtual bool read(unsigned char* data);
virtual unsigned int read(unsigned char* data);
virtual void close();

167
NXDNGateway/KenwoodNetwork.cpp
View File

@ -39,7 +39,13 @@ m_rtcpSocket(localPort + 1U),
m_address(),
m_rtcpPort(rptPort + 1U),
m_rtpPort(rptPort + 0U),
m_sessionId(0U),
m_headerSeen(false),
m_seen1(false),
m_seen2(false),
m_seen3(false),
m_seen4(false),
m_sacch(NULL),
m_sessionId(1U),
m_seqNo(0U),
m_ssrc(0U),
m_debug(debug),
@ -55,11 +61,14 @@ m_hangDst(0U)
assert(!rptAddress.empty());
assert(rptPort > 0U);
m_sacch = new unsigned char[10U];
m_address = CUDPSocket::lookup(rptAddress);
}
CKenwoodNetwork::~CKenwoodNetwork()
{
delete[] m_sacch;
}
bool CKenwoodNetwork::open()
@ -131,10 +140,12 @@ bool CKenwoodNetwork::processIcomVoiceHeader(const unsigned char* inData)
m_rtcpTimer.start();
writeRTCPStart();
return writeRTPVoiceHeader(outData);
case 0x08U:
case 0x08U: {
m_hangTimer.start();
bool ret = writeRTPVoiceTrailer(outData);
writeRTCPHang(type, src, dst);
return writeRTPVoiceTrailer(outData);
return ret;
}
default:
return false;
}
@ -153,10 +164,6 @@ bool CKenwoodNetwork::processIcomVoiceData(const unsigned char* inData)
outData[2U] = inData[4U] & 0xC0U;
outData[3U] = inData[3U];
CUtils::dump(4U, "Icom Audio 1 + 2 + 3 + 4", inData + 5U, 28U);
CUtils::dump(4U, "Icom Audio 1 + 2", inData + 5U, 14U);
// Audio 1
::memset(temp, 0x00U, 10U);
for (unsigned int i = 0U; i < 49U; i++) {
@ -173,8 +180,6 @@ bool CKenwoodNetwork::processIcomVoiceData(const unsigned char* inData)
outData[10U] = temp[7U];
outData[11U] = temp[6U];
CUtils::dump(4U, "Kenwood unswapped Audio 1", temp, 8U);
// Audio 2
::memset(temp, 0x00U, 10U);
for (unsigned int i = 0U; i < 49U; i++) {
@ -191,10 +196,6 @@ bool CKenwoodNetwork::processIcomVoiceData(const unsigned char* inData)
outData[18U] = temp[7U];
outData[19U] = temp[6U];
CUtils::dump(4U, "Kenwood unswapped Audio 2", temp, 8U);
CUtils::dump(4U, "Icom Audio 3 + 4", inData + 19U, 14U);
// Audio 3
::memset(temp, 0x00U, 10U);
for (unsigned int i = 0U; i < 49U; i++) {
@ -211,8 +212,6 @@ bool CKenwoodNetwork::processIcomVoiceData(const unsigned char* inData)
outData[26U] = temp[7U];
outData[27U] = temp[6U];
CUtils::dump(4U, "Kenwood unswapped Audio 3", temp, 8U);
// Audio 4
::memset(temp, 0x00U, 10U);
for (unsigned int i = 0U; i < 49U; i++) {
@ -229,8 +228,6 @@ bool CKenwoodNetwork::processIcomVoiceData(const unsigned char* inData)
outData[34U] = temp[7U];
outData[35U] = temp[6U];
CUtils::dump(4U, "Kenwood unswapped Audio 4", temp, 8U);
return writeRTPVoiceData(outData);
}
@ -522,7 +519,7 @@ bool CKenwoodNetwork::writeRTCPHang()
return m_rtcpSocket.write(buffer, 20U, m_address, m_rtcpPort);
}
bool CKenwoodNetwork::read(unsigned char* data)
unsigned int CKenwoodNetwork::read(unsigned char* data)
{
assert(data != NULL);
@ -532,18 +529,19 @@ bool CKenwoodNetwork::read(unsigned char* data)
unsigned int len = readRTP(data);
switch (len) {
case 0U: // Nothing received
return false;
return 0U;
case 35U: // Voice header or trailer
return processKenwoodVoiceHeader(data);
case 47U: // Voice data
processKenwoodVoiceData(data);
return true;
if (m_headerSeen)
return processKenwoodVoiceData(data);
else
return processKenwoodVoiceLateEntry(data);
case 31U: // Data
processKenwoodData(data);
return true;
return processKenwoodData(data);
default:
CUtils::dump(5U, "Unknown data received from the Kenwood network", data, len);
return false;
return 0U;
}
}
@ -630,7 +628,7 @@ void CKenwoodNetwork::clock(unsigned int ms)
}
}
bool CKenwoodNetwork::processKenwoodVoiceHeader(unsigned char* inData)
unsigned int CKenwoodNetwork::processKenwoodVoiceHeader(unsigned char* inData)
{
assert(inData != NULL);
@ -668,16 +666,26 @@ bool CKenwoodNetwork::processKenwoodVoiceHeader(unsigned char* inData)
switch (outData[5U] & 0x3FU) {
case 0x01U:
::memcpy(inData, outData, 33U);
return true;
m_headerSeen = true;
m_seen1 = false;
m_seen2 = false;
m_seen3 = false;
m_seen4 = false;
return 33U;
case 0x08U:
::memcpy(inData, outData, 33U);
return true;
m_headerSeen = false;
m_seen1 = false;
m_seen2 = false;
m_seen3 = false;
m_seen4 = false;
return 33U;
default:
return false;
return 0U;
}
}
void CKenwoodNetwork::processKenwoodVoiceData(unsigned char* inData)
unsigned int CKenwoodNetwork::processKenwoodVoiceData(unsigned char* inData)
{
assert(inData != NULL);
@ -708,8 +716,6 @@ void CKenwoodNetwork::processKenwoodVoiceData(unsigned char* inData)
temp[6U] = inData[22U];
temp[7U] = inData[21U];
CUtils::dump(4U, "Kenwood unswapped Audio 1", temp, 8U);
for (unsigned int i = 0U; i < 49U; i++, n++) {
bool b = READ_BIT(temp, i);
WRITE_BIT(outData, n, b);
@ -724,15 +730,11 @@ void CKenwoodNetwork::processKenwoodVoiceData(unsigned char* inData)
temp[6U] = inData[30U];
temp[7U] = inData[29U];
CUtils::dump(4U, "Kenwood unswapped Audio 2", temp, 8U);
for (unsigned int i = 0U; i < 49U; i++, n++) {
bool b = READ_BIT(temp, i);
WRITE_BIT(outData, n, b);
}
CUtils::dump(4U, "Icom Audio 1 + 2", outData + 5U, 14U);
// AMBE 3+4
n = 19U * 8U;
@ -745,8 +747,6 @@ void CKenwoodNetwork::processKenwoodVoiceData(unsigned char* inData)
temp[6U] = inData[38U];
temp[7U] = inData[37U];
CUtils::dump(4U, "Kenwood unswapped Audio 3", temp, 8U);
for (unsigned int i = 0U; i < 49U; i++, n++) {
bool b = READ_BIT(temp, i);
WRITE_BIT(outData, n, b);
@ -761,24 +761,20 @@ void CKenwoodNetwork::processKenwoodVoiceData(unsigned char* inData)
temp[6U] = inData[46U];
temp[7U] = inData[45U];
CUtils::dump(4U, "Kenwood unswapped Audio 4", temp, 8U);
for (unsigned int i = 0U; i < 49U; i++, n++) {
bool b = READ_BIT(temp, i);
WRITE_BIT(outData, n, b);
}
CUtils::dump(4U, "Icom Audio 3 + 4", outData + 19U, 14U);
CUtils::dump(4U, "Icom Audio 1 + 2 + 3 + 4", outData + 5U, 28U);
::memcpy(inData, outData, 33U);
return 33U;
}
void CKenwoodNetwork::processKenwoodData(unsigned char* inData)
unsigned int CKenwoodNetwork::processKenwoodData(unsigned char* inData)
{
if (inData[7U] != 0x09U && inData[7U] != 0x0BU && inData[7U] != 0x08U)
return;
return 0U;
unsigned char outData[50U];
@ -791,6 +787,7 @@ void CKenwoodNetwork::processKenwoodData(unsigned char* inData)
outData[5U] = inData[12U];
outData[6U] = inData[11U];
::memcpy(inData, outData, 7U);
return 7U;
} else {
outData[0U] = 0x90U;
outData[1U] = inData[8U];
@ -817,6 +814,7 @@ void CKenwoodNetwork::processKenwoodData(unsigned char* inData)
outData[22U] = inData[27U];
outData[23U] = inData[29U];
::memcpy(inData, outData, 24U);
return 24U;
}
}
@ -850,3 +848,82 @@ unsigned long CKenwoodNetwork::getTimeStamp() const
return timeStamp;
}
unsigned int CKenwoodNetwork::processKenwoodVoiceLateEntry(unsigned char* inData)
{
assert(inData != NULL);
unsigned char sacch[4U];
sacch[0U] = inData[12U];
sacch[1U] = inData[11U];
sacch[2U] = inData[14U];
sacch[3U] = inData[13U];
switch (sacch[0U] & 0xC0U) {
case 0xC0U:
if (!m_seen1) {
unsigned int offset = 0U;
for (unsigned int i = 8U; i < 26U; i++, offset++) {
bool b = READ_BIT(sacch, i) != 0U;
WRITE_BIT(m_sacch, offset, b);
}
m_seen1 = true;
}
break;
case 0x80U:
if (!m_seen2) {
unsigned int offset = 18U;
for (unsigned int i = 8U; i < 26U; i++, offset++) {
bool b = READ_BIT(sacch, i) != 0U;
WRITE_BIT(m_sacch, offset, b);
}
m_seen2 = true;
}
break;
case 0x40U:
if (!m_seen3) {
unsigned int offset = 36U;
for (unsigned int i = 8U; i < 26U; i++, offset++) {
bool b = READ_BIT(sacch, i) != 0U;
WRITE_BIT(m_sacch, offset, b);
}
m_seen3 = true;
}
break;
case 0x00U:
if (!m_seen4) {
unsigned int offset = 54U;
for (unsigned int i = 8U; i < 26U; i++, offset++) {
bool b = READ_BIT(sacch, i) != 0U;
WRITE_BIT(m_sacch, offset, b);
}
m_seen4 = true;
}
break;
}
if (!m_seen1 || !m_seen2 || !m_seen3 || !m_seen4)
return 0U;
m_headerSeen = true;
// Create a dummy header
// Header SACCH
inData[11U] = 0x10U;
inData[12U] = 0x01U;
inData[13U] = 0x00U;
inData[14U] = 0x00U;
inData[15U] = m_sacch[1U];
inData[16U] = m_sacch[0U];
inData[17U] = m_sacch[3U];
inData[18U] = m_sacch[2U];
inData[19U] = m_sacch[5U];
inData[20U] = m_sacch[4U];
inData[21U] = m_sacch[7U];
inData[22U] = m_sacch[6U];
inData[23U] = 0x00U;
inData[24U] = m_sacch[8U];
return processKenwoodVoiceHeader(inData);
}

15
NXDNGateway/KenwoodNetwork.h
View File

@ -35,7 +35,7 @@ public:
virtual bool write(const unsigned char* data, unsigned int length);
virtual bool read(unsigned char* data);
virtual unsigned int read(unsigned char* data);
virtual void close();
@ -47,6 +47,12 @@ private:
in_addr m_address;
unsigned int m_rtcpPort;
unsigned int m_rtpPort;
bool m_headerSeen;
bool m_seen1;
bool m_seen2;
bool m_seen3;
bool m_seen4;
unsigned char* m_sacch;
uint8_t m_sessionId;
uint16_t m_seqNo;
unsigned int m_ssrc;
@ -61,9 +67,10 @@ private:
bool processIcomVoiceHeader(const unsigned char* data);
bool processIcomVoiceData(const unsigned char* data);
bool processKenwoodVoiceHeader(unsigned char* data);
void processKenwoodVoiceData(unsigned char* data);
void processKenwoodData(unsigned char* data);
unsigned int processKenwoodVoiceHeader(unsigned char* data);
unsigned int processKenwoodVoiceData(unsigned char* data);
unsigned int processKenwoodVoiceLateEntry(unsigned char* data);
unsigned int processKenwoodData(unsigned char* data);
bool writeRTPVoiceHeader(const unsigned char* data);
bool writeRTPVoiceData(const unsigned char* data);
bool writeRTPVoiceTrailer(const unsigned char* data);

2
NXDNGateway/RptNetwork.h
View File

@ -43,7 +43,7 @@ public:
virtual bool write(const unsigned char* data, unsigned int length) = 0;
virtual bool read(unsigned char* data) = 0;
virtual unsigned int read(unsigned char* data) = 0;
virtual void close() = 0;

2
NXDNGateway/Version.h
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@ -19,6 +19,6 @@
#if !defined(VERSION_H)
#define VERSION_H
const char* VERSION = "20200509";
const char* VERSION = "20200519";
#endif