Mostly complete processing of RF frames.

This commit is contained in:
Jonathan Naylor
2020-10-17 21:59:27 +01:00
parent 9a72e95ec0
commit 48f95be982
8 changed files with 118 additions and 35 deletions

View File

@@ -29,7 +29,8 @@
const unsigned int BUFFER_LENGTH = 200U;
CM17Network::CM17Network(unsigned int port, bool debug) :
CM17Network::CM17Network(const std::string& callsign, unsigned int port, bool debug) :
m_callsign(callsign),
m_socket(port),
m_addr(),
m_addrLen(0U),
@@ -40,7 +41,7 @@ m_inId(0U),
m_buffer(1000U, "M17 Network"),
m_random(),
m_state(M17N_NOTLINKED),
m_reflector(NULL),
m_encoded(NULL),
m_module(' '),
m_timer(1000U, 5U)
{
@@ -49,6 +50,8 @@ m_timer(1000U, 5U)
m_random = mt;
m_encoded = new unsigned char[6U];
CM17Utils::encodeCallsign(m_callsign, m_encoded);
}
CM17Network::~CM17Network()
@@ -63,17 +66,14 @@ bool CM17Network::open()
return m_socket.open(m_addr);
}
bool CM17Network::link(const std::string& address, unsigned int port, const std::string& reflector, char module)
bool CM17Network::link(const std::string& address, unsigned int port, char module)
{
if (CUDPSocket::lookup(address, port, m_addr, m_addrLen) != 0) {
m_state = M17N_NOTLINKED;
return false;
}
m_reflector = reflector;
m_module = module;
CM17Utils::encodeCallsign(m_reflector, m_encoded);
m_module = module;
m_state = M17N_LINKING;
@@ -119,10 +119,12 @@ bool CM17Network::write(const unsigned char* data)
buffer[4U] = m_outId / 256U; // Unique session id
buffer[5U] = m_outId % 256U;
if (m_debug)
CUtils::dump(1U, "M17 data transmitted", buffer, 36U);
::memcpy(buffer + 6U, data, 48U);
return m_socket.write(buffer, 36U, m_addr, m_addrLen);
if (m_debug)
CUtils::dump(1U, "M17 data transmitted", buffer, 54U);
return m_socket.write(buffer, 54U, m_addr, m_addrLen);
}
void CM17Network::clock(unsigned int ms)
@@ -163,21 +165,21 @@ void CM17Network::clock(unsigned int ms)
if (::memcmp(buffer + 0U, "ACKN", 4U) == 0) {
m_timer.stop();
m_state = M17N_LINKED;
LogMessage("M17, linked to %s", m_reflector.c_str());
LogMessage("M17, linked to reflector");
return;
}
if (::memcmp(buffer + 0U, "NACK", 4U) == 0) {
m_timer.stop();
m_state = M17N_NOTLINKED;
LogMessage("M17, link refused by %s", m_reflector.c_str());
LogMessage("M17, link refused by reflector");
return;
}
if (::memcmp(buffer + 0U, "DISC", 4U) == 0) {
m_timer.stop();
m_state = M17N_NOTLINKED;
LogMessage("M17, unlinked from %s", m_reflector.c_str());
LogMessage("M17, unlinked from reflector");
return;
}
@@ -208,10 +210,10 @@ void CM17Network::clock(unsigned int ms)
if ((fn & 0x8000U) == 0x8000U)
m_inId = 0U;
unsigned char c = length;
unsigned char c = length - 6U;
m_buffer.addData(&c, 1U);
m_buffer.addData(buffer, length);
m_buffer.addData(buffer + 6U, length - 6U);
}
bool CM17Network::read(unsigned char* data)