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Add the FCS protocol and the beginnings of the control for it.

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This commit is contained in:
Jonathan Naylor 2018-02-21 21:53:58 +00:00
parent 9dc484ea64
commit a52d831ba5
7 changed files with 149 additions and 82 deletions
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104
YSFGateway/FCSNetwork.cpp
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@ -25,59 +25,31 @@
#include <cassert>
#include <cstring>
const char* FCS_VERSION = "MMDVM v.01";
const unsigned int BUFFER_LENGTH = 200U;
CFCSNetwork::CFCSNetwork(const std::string& address, unsigned int port, const std::string& callsign, bool debug) :
m_socket(address, port),
m_debug(debug),
m_address(),
m_port(0U),
m_poll(NULL),
m_unlink(NULL),
m_buffer(1000U, "FCS Network Buffer")
{
m_poll = new unsigned char[14U];
::memcpy(m_poll + 0U, "YSFP", 4U);
m_unlink = new unsigned char[14U];
::memcpy(m_unlink + 0U, "YSFU", 4U);
std::string node = callsign;
node.resize(YSF_CALLSIGN_LENGTH, ' ');
for (unsigned int i = 0U; i < YSF_CALLSIGN_LENGTH; i++) {
m_poll[i + 4U] = node.at(i);
m_unlink[i + 4U] = node.at(i);
}
}
CFCSNetwork::CFCSNetwork(unsigned int port, const std::string& callsign, bool debug) :
CFCSNetwork::CFCSNetwork(unsigned int port, const std::string& callsign, unsigned int rxFrequency, unsigned int txFrequency, const std::string& locator, unsigned int id, bool debug) :
m_socket(port),
m_debug(debug),
m_address(),
m_port(0U),
m_poll(NULL),
m_unlink(NULL),
m_info(NULL),
m_callsign(callsign),
m_reflector(),
m_buffer(1000U, "FCS Network Buffer")
{
m_poll = new unsigned char[14U];
::memcpy(m_poll + 0U, "YSFP", 4U);
m_info = new unsigned char[100U];
::memset(m_info, ' ', 100U);
m_unlink = new unsigned char[14U];
::memcpy(m_unlink + 0U, "YSFU", 4U);
m_callsign.resize(6U, ' ');
std::string node = callsign;
node.resize(YSF_CALLSIGN_LENGTH, ' ');
for (unsigned int i = 0U; i < YSF_CALLSIGN_LENGTH; i++) {
m_poll[i + 4U] = node.at(i);
m_unlink[i + 4U] = node.at(i);
}
::sprintf((char*)m_info, "%9u%9u%-6.6s%-12.12s%7u", rxFrequency, txFrequency, locator.c_str(), FCS_VERSION, id);
}
CFCSNetwork::~CFCSNetwork()
{
delete[] m_poll;
delete[] m_info;
}
bool CFCSNetwork::open()
@ -106,18 +78,35 @@ bool CFCSNetwork::write(const unsigned char* data)
if (m_port == 0U)
return true;
if (m_debug)
CUtils::dump(1U, "FCS Network Data Sent", data, 155U);
unsigned char buffer[130U];
::memset(buffer + 0U, ' ', 130U);
::memcpy(buffer + 0U, data + 35U, 120U);
::memcpy(buffer + 121U, m_reflector.c_str(), 8U);
return m_socket.write(data, 155U, m_address, m_port);
if (m_debug)
CUtils::dump(1U, "FCS Network Data Sent", buffer, 130U);
return m_socket.write(buffer, 130U, m_address, m_port);
}
bool CFCSNetwork::writePoll()
bool CFCSNetwork::writeLink(const std::string& reflector)
{
if (m_port == 0U)
return true;
return m_socket.write(m_poll, 14U, m_address, m_port);
m_reflector = reflector;
m_reflector.resize(8U, ' ');
unsigned char buffer[25U];
::memset(buffer + 0U, ' ', 25U);
::memcpy(buffer + 0U, "PING", 4U);
::memcpy(buffer + 4U, m_callsign.c_str(), 6U);
::memcpy(buffer + 10U, m_reflector.c_str(), 6U);
if (m_debug)
CUtils::dump(1U, "FCS Network Data Sent", buffer, 25U);
return m_socket.write(buffer, 25U, m_address, m_port);
}
bool CFCSNetwork::writeUnlink()
@ -125,7 +114,7 @@ bool CFCSNetwork::writeUnlink()
if (m_port == 0U)
return true;
return m_socket.write(m_unlink, 14U, m_address, m_port);
return m_socket.write((unsigned char*)"CLOSE ", 11U, m_address, m_port);
}
void CFCSNetwork::clock(unsigned int ms)
@ -147,10 +136,11 @@ void CFCSNetwork::clock(unsigned int ms)
if (m_debug)
CUtils::dump(1U, "FCS Network Data Received", buffer, length);
unsigned char len = length;
m_buffer.addData(&len, 1U);
if (length == 7 || length == 10)
writeInfo();
m_buffer.addData(buffer, length);
if (length == 130)
m_buffer.addData(buffer, 130U);
}
unsigned int CFCSNetwork::read(unsigned char* data)
@ -160,12 +150,9 @@ unsigned int CFCSNetwork::read(unsigned char* data)
if (m_buffer.isEmpty())
return 0U;
unsigned char len = 0U;
m_buffer.getData(&len, 1U);
m_buffer.getData(data, 130U);
m_buffer.getData(data, len);
return len;
return 155U;
}
void CFCSNetwork::close()
@ -174,3 +161,14 @@ void CFCSNetwork::close()
LogMessage("Closing FCS network connection");
}
void CFCSNetwork::writeInfo()
{
if (m_port == 0U)
return;
if (m_debug)
CUtils::dump(1U, "FCS Network Data Sent", m_info, 100U);
m_socket.write(m_info, 100U, m_address, m_port);
}