You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
154 lines
3.8 KiB
154 lines
3.8 KiB
/*
|
|
* Copyright (C) 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 "YSFReflector.h"
|
|
#include "StopWatch.h"
|
|
#include "Network.h"
|
|
#include "Version.h"
|
|
|
|
#include <cstdio>
|
|
#include <cstdlib>
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
if (argc == 1) {
|
|
::fprintf(stderr, "Usage: YSFReflector <port>\n");
|
|
return 1;
|
|
}
|
|
|
|
unsigned int port = ::atoi(argv[1]);
|
|
if (port == 0U) {
|
|
::fprintf(stderr, "YSFReflector: invalid port number\n");
|
|
return 1;
|
|
}
|
|
|
|
CYSFReflector Reflector(port);
|
|
Reflector.run();
|
|
|
|
return 0;
|
|
}
|
|
|
|
CYSFReflector::CYSFReflector(unsigned int port) :
|
|
m_port(port),
|
|
m_repeaters()
|
|
{
|
|
}
|
|
|
|
CYSFReflector::~CYSFReflector()
|
|
{
|
|
}
|
|
|
|
void CYSFReflector::run()
|
|
{
|
|
CNetwork network(m_port, false);
|
|
|
|
bool ret = network.open();
|
|
if (!ret)
|
|
return;
|
|
|
|
CStopWatch stopWatch;
|
|
stopWatch.start();
|
|
|
|
CTimer pollTimer(1000U, 60U);
|
|
pollTimer.start();
|
|
|
|
::fprintf(stdout, "Starting YSFReflector-%s\n", VERSION);
|
|
|
|
for (;;) {
|
|
unsigned char buffer[200U];
|
|
|
|
unsigned int len = network.readData(buffer);
|
|
if (len > 0U) {
|
|
std::string callsign = std::string((char*)(buffer + 4U), YSF_CALLSIGN_LENGTH);
|
|
CYSFRepeater* rpt = findRepeater(callsign);
|
|
if (rpt != NULL) {
|
|
for (std::vector<CYSFRepeater*>::const_iterator it = m_repeaters.begin(); it != m_repeaters.end(); ++it) {
|
|
if ((*it)->m_callsign != callsign)
|
|
network.writeData(buffer, (*it)->m_address, (*it)->m_port);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Refresh/add repeaters based on their polls
|
|
std::string callsign;
|
|
in_addr address;
|
|
unsigned int port;
|
|
bool ret = network.readPoll(callsign, address, port);
|
|
if (ret) {
|
|
CYSFRepeater* rpt = findRepeater(callsign);
|
|
if (rpt == NULL) {
|
|
::fprintf(stdout, "Adding %s\n", callsign.c_str());
|
|
rpt = new CYSFRepeater;
|
|
rpt->m_timer.start();
|
|
rpt->m_callsign = callsign;
|
|
rpt->m_address = address;
|
|
rpt->m_port = port;
|
|
m_repeaters.push_back(rpt);
|
|
} else {
|
|
rpt->m_timer.start();
|
|
rpt->m_address = address;
|
|
rpt->m_port = port;
|
|
}
|
|
}
|
|
|
|
unsigned int ms = stopWatch.elapsed();
|
|
stopWatch.start();
|
|
|
|
network.clock(ms);
|
|
|
|
pollTimer.clock(ms);
|
|
if (pollTimer.hasExpired()) {
|
|
for (std::vector<CYSFRepeater*>::const_iterator it = m_repeaters.begin(); it != m_repeaters.end(); ++it)
|
|
network.writePoll((*it)->m_address, (*it)->m_port);
|
|
pollTimer.start();
|
|
}
|
|
|
|
// Remove any repeaters that haven't reported for a while
|
|
for (std::vector<CYSFRepeater*>::iterator it = m_repeaters.begin(); it != m_repeaters.end(); ++it)
|
|
(*it)->m_timer.clock(ms);
|
|
|
|
for (std::vector<CYSFRepeater*>::iterator it = m_repeaters.begin(); it != m_repeaters.end(); ++it) {
|
|
if ((*it)->m_timer.hasExpired()) {
|
|
::fprintf(stdout, "Removing %s\n", (*it)->m_callsign.c_str());
|
|
m_repeaters.erase(it);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ms < 5U) {
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
::Sleep(5UL); // 5ms
|
|
#else
|
|
::usleep(5000); // 5ms
|
|
#endif
|
|
}
|
|
}
|
|
|
|
network.close();
|
|
}
|
|
|
|
CYSFRepeater* CYSFReflector::findRepeater(const std::string& callsign) const
|
|
{
|
|
for (std::vector<CYSFRepeater*>::const_iterator it = m_repeaters.begin(); it != m_repeaters.end(); ++it) {
|
|
if ((*it)->m_callsign == callsign)
|
|
return *it;
|
|
}
|
|
|
|
return NULL;
|
|
}
|