645 lines
25 KiB
C++
645 lines
25 KiB
C++
/*
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* fgcom - VoIP-Client for the FlightGear-Radio-Infrastructure
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*
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* This program realizes the usage of the VoIP infractructure based
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* on flight data which is send from FlightGear with an external
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* protocol to this application.
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*
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* Clement de l'Hamaide - Jan 2014
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* Re-writting of FGCom standalone
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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#include "config.h"
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#include <simgear/sg_inlines.h>
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#include <simgear/math/SGMath.hxx>
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#include <simgear/io/raw_socket.hxx>
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#include <simgear/misc/strutils.hxx>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/timing/timestamp.hxx>
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#include <iaxclient.h>
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#include "fgcom_external.hxx"
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#include "positions.hxx" // provides _positionsData[];
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int _port = 16661;
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int _callId = -1;
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int _currentFreqKhz = -1;
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int _maxRange = 100;
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int _minRange = 10;
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int _registrationId = -1;
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bool _libInitialized = false;
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bool _running = true;
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bool _debug = false;
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bool _connected = false;
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double _frequency = -1;
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double _atis = -1;
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double _silenceThd = -35.0;
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std::string _app = "FGCOM-";
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std::string _host = "127.0.0.1";
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std::string _server = "fgcom.jingweiht.com";
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std::string _airport = "ZZZZ";
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std::string _callsign = "guest";
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std::string _username = "guest";
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std::string _password = "guest";
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SGGeod _airportPos;
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SGTimeStamp _p;
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std::multimap<int, Airport> _airportsData;
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const int special_freq[] = { // Define some freq who need to be used with icao = ZZZZ
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910000,
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911000,
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700000,
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123450,
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122750,
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121500,
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123500 };
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//
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// Main loop
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//
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int main(int argc, char** argv)
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{
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signal(SIGINT, quit);
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signal(SIGTERM, quit);
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simgear::requestConsole(true);
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sglog().setLogLevels(SG_ALL, SG_INFO);
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_app += FGCOM_VERSION;
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Modes mode = PILOT;
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std::string num = "";
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for(int count = 1; count < argc; count++) {
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std::string item = argv[count];
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std::string option = item.substr(2, item.find("=")-2);
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std::string value = item.substr(item.find("=")+1, item.size());
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if(option == "server") _server = value;
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if(option == "host") _host = value;
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if(option == "port") _port = atoi(value.c_str());
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if(option == "callsign") _callsign = value;
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if(option == "frequency") _frequency = atof(value.c_str());
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if(option == "atis") _atis = atof(value.c_str());
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if(option == "airport") _airport = simgear::strutils::uppercase(value);
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if(option == "username") _username = value;
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if(option == "password") _password = value;
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if(option == "silence-threshold") _silenceThd = atof(value.c_str());
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if(option == "debug") sglog().setLogLevels(SG_ALL, SG_DEBUG);
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if(option == "help") return usage();
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if(option == "version") return version();
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}
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if(_frequency == 910.000)
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mode = TEST;
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if(_frequency <= 136.975 && _frequency >= 118.000)
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mode = OBS;
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if(_atis <= 136.975 && _atis >= 118.000 && _airport != "ZZZZ")
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mode = ATC;
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SG_LOG(SG_GENERAL, SG_INFO, "FGCom " << FGCOM_VERSION << " compiled " << __DATE__
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<< ", at " << __TIME__ );
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SG_LOG(SG_GENERAL, SG_INFO, "For help usage, use --help");
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SG_LOG(SG_GENERAL, SG_INFO, "Starting FGCom session as " << _username << ":xxxxxxxxx@" << _server);
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if( !(_libInitialized = lib_init()) )
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return EXIT_FAILURE;
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if (_username != "guest" && _password != "guest")
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_registrationId = lib_registration();
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if(mode == PILOT) {
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SG_LOG( SG_GENERAL, SG_DEBUG, "Entering main loop in mode PILOT" );
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simgear::Socket::initSockets();
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simgear::Socket sgSocket;
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sgSocket.open(false);
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sgSocket.bind(_host.c_str(), _port);
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sgSocket.setBlocking(false);
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lib_setVolume(0.0, 1.0);
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static char currentPacket[MAXBUFLEN+2], previousPacket[MAXBUFLEN+2];
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struct Data currentData, previousData, previousPosData;
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double currentFreq = -1, previousFreq = -1;
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std::string currentIcao = "";
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ActiveComm activeComm = COM1;
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_airportsData = getAirportsData();
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SG_LOG(SG_GENERAL, SG_INFO, "");
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while(_running) {
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int bytes = sgSocket.recv(currentPacket, sizeof(currentPacket)-1, 0);
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if (bytes == -1) {
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SGTimeStamp::sleepForMSec(1); // Prevent full CPU usage (loop)
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continue;
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}
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currentPacket[bytes] = '\0';
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if( strcmp(currentPacket, previousPacket) != 0 ) {
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std::string packet(currentPacket);
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std::vector<std::string> properties = simgear::strutils::split(packet, ",");
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for(size_t i=0; i < properties.size(); i++) {
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std::vector<std::string> prop = simgear::strutils::split(properties[i], "=");
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if(prop[0] == "PTT") currentData.ptt = atoi(prop[1].c_str());
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if(prop[0] == "LAT") currentData.lat = atof(prop[1].c_str());
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if(prop[0] == "LON") currentData.lon = atof(prop[1].c_str());
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if(prop[0] == "ALT") currentData.alt = atof(prop[1].c_str());
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if(prop[0] == "COM1_FRQ") currentData.com1 = atof(prop[1].c_str());
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if(prop[0] == "COM2_FRQ") currentData.com2 = atof(prop[1].c_str());
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if(prop[0] == "OUTPUT_VOL") currentData.outputVol = atof(prop[1].c_str());
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if(prop[0] == "SILENCE_THD") currentData.silenceThd = atof(prop[1].c_str());
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if(prop[0] == "CALLSIGN") currentData.callsign = prop[1];
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}
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if(currentData.ptt != previousData.ptt) {
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if(currentData.ptt == 2) {
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if(activeComm == COM1) {
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activeComm = COM2;
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currentFreq = currentData.com2;
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} else {
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activeComm = COM1;
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currentFreq = currentData.com1;
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}
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SG_LOG( SG_GENERAL, SG_INFO, "Select radio " << activeComm << " on " << currentFreq << " MHz" );
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} else if(currentData.ptt) {
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SG_LOG( SG_GENERAL, SG_INFO, "[SPEAK] unmute mic, mute speaker" );
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lib_setVolume(1.0, 0.0);
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} else {
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SG_LOG( SG_GENERAL, SG_INFO, "[LISTEN] mute mic, unmute speaker" );
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lib_setVolume(0.0, currentData.outputVol);
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}
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}
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if(currentData.outputVol != previousData.outputVol)
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lib_setVolume(0.0, currentData.outputVol);
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if(currentData.silenceThd != previousData.silenceThd)
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lib_setSilenceThreshold(currentData.silenceThd);
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if(currentData.callsign != previousData.callsign)
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lib_setCallerId(currentData.callsign);
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if(currentData.com1 != previousData.com1 && activeComm == COM1) {
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currentFreq = currentData.com1;
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SG_LOG( SG_GENERAL, SG_INFO, "Select frequency " << currentFreq << " MHz on radio " << activeComm );
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}
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if(currentData.com2 != previousData.com2 && activeComm == COM2) {
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currentFreq = currentData.com2;
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SG_LOG( SG_GENERAL, SG_INFO, "Select frequency " << currentFreq << " MHz on radio " << activeComm );
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}
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if(previousFreq != currentFreq || currentData.callsign != previousData.callsign) {
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_currentFreqKhz = 10 * static_cast<int>(currentFreq * 100 + 0.25);
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currentIcao = getClosestAirportForFreq(currentFreq, currentData.lat, currentData.lon, currentData.alt);
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if(isInRange(currentIcao, currentData.lat, currentData.lon, currentData.alt)) {
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_connected = lib_call(currentIcao, currentFreq);
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SG_LOG( SG_GENERAL, SG_INFO, "Connecting " << currentIcao << " on " << currentFreq << " MHz" );
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} else {
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if(_connected) {
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_connected = lib_hangup();
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SG_LOG( SG_GENERAL, SG_INFO, "Disconnecting " << currentIcao << " on " << currentFreq << " MHz (out of range)" );
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}
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}
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}
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if( currentData.lat <= previousPosData.lat - 0.05 ||
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currentData.lon <= previousPosData.lon - 0.05 ||
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currentData.alt <= previousPosData.alt - 50.0 ||
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currentData.lat >= previousPosData.lat + 0.05 ||
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currentData.lon >= previousPosData.lon + 0.05 ||
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currentData.alt >= previousPosData.alt + 50.0) {
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currentIcao = getClosestAirportForFreq(currentFreq, currentData.lat, currentData.lon, currentData.alt);
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if(_connected) {
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if(!isInRange(currentIcao, currentData.lat, currentData.lon, currentData.alt)) {
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_connected = lib_hangup();
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SG_LOG( SG_GENERAL, SG_INFO, "Disconnecting " << currentIcao << " on " << currentFreq << " MHz (out of range)" );
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}
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} else {
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if(isInRange(currentIcao, currentData.lat, currentData.lon, currentData.alt)) {
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_connected = lib_call(currentIcao, currentFreq);
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SG_LOG( SG_GENERAL, SG_INFO, "Connecting " << currentIcao << " on " << currentFreq << " MHz" );
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}
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}
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previousPosData = currentData;
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}
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previousFreq = currentFreq;
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previousData = currentData;
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}
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strcpy(previousPacket, currentPacket);
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} // while()
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sgSocket.close();
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} else { // if(mode == PILOT)
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int sessionDuration = 1000;
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_p.stamp();
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if(mode == OBS) {
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SG_LOG( SG_GENERAL, SG_DEBUG, "Entering main loop in mode OBS (max duration: 6 hours)" );
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sessionDuration *= 2160; // 6 hours for OBS mode
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lib_setVolume(0.0, 1.0);
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lib_setCallerId("::OBS::");
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num = computePhoneNumber(_frequency, _airport);
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} else {
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lib_setVolume(1.0, 1.0);
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if(mode == TEST) {
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sessionDuration *= 65; // 65 seconds for TEST mode
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SG_LOG( SG_GENERAL, SG_DEBUG, "Entering main loop in mode TEST (max duration: 65 seconds)" );
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_airport = "ZZZZ";
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num = computePhoneNumber(_frequency, _airport);
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} else if(mode == ATC) {
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sessionDuration *= 45; // 45 seconds for ATC mode
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SG_LOG( SG_GENERAL, SG_DEBUG, "Entering main loop in mode ATC (max duration: 45 seconds)" );
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num = computePhoneNumber(_atis, _airport, true);
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}
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}
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_connected = lib_directCall(_airport, _frequency, num);
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while (_p.elapsedMSec() <= sessionDuration && _running){
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SGTimeStamp::sleepForMSec(2000);
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}
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}
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if(!lib_shutdown())
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return EXIT_FAILURE;
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return EXIT_SUCCESS;
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}
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// function: getAirportsData
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// action: parse positionsData.hxx then build multimap
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std::multimap<int, Airport> getAirportsData()
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{
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std::vector<std::string> lines;
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std::multimap<int, Airport> aptData;
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SG_LOG(SG_GENERAL, SG_INFO, "Loading airports information...");
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for(size_t i=0; i < sizeof(_positionsData)/sizeof(*_positionsData); i++) { // _positionsData is provided by positions.hxx
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std::vector<std::string> entries = simgear::strutils::split(_positionsData[i], ",");
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if(entries.size() == 6) {
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// [0]=ICAO, [1]=Frequency, [2]=Latitude, [3]=Longitude, [4]=ID/Type, [5]=Name
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std::string entryIcao = entries[0];
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double entryFreq = atof(entries[1].c_str());
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double entryLat = atof(entries[2].c_str());
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double entryLon = atof(entries[3].c_str());
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std::string entryType = entries[4];
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std::string entryName = entries[5];
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int aptFreqKhz = 10 * static_cast<int>(entryFreq * 100 + 0.25);
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Airport apt;
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apt.icao = entryIcao;
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apt.frequency = entryFreq;
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apt.latitude = entryLat;
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apt.longitude = entryLon;
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apt.type = entryType;
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apt.name = entryName;
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aptData.insert( std::pair<int, Airport>(aptFreqKhz, apt) );
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}
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}
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return aptData;
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}
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// function: orderByDistanceNm
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// action: sort airportsInRange vector by distanceNm ASC in getClosestAirportForFreq()
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bool orderByDistanceNm(Airport a, Airport b)
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{
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return a.distanceNm < b.distanceNm;
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}
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// function: gestClosestAircraftForFreq
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// action: return ICAO of closest airport with given frequency and define his position
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std::string getClosestAirportForFreq(double freq, double acftLat, double acftLon, double acftAlt)
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{
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for(size_t i=0; i<sizeof(special_freq)/sizeof(special_freq[0]); i++) { // Check if it's a special freq
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if( special_freq[i] == _currentFreqKhz )
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return std::string("ZZZZ");
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}
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std::string icao = "";
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double aptLon = 0;
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double aptLat = 0;
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int freqKhz = 10 * static_cast<int>(freq * 100 + 0.25);
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SGGeod acftPos = SGGeod::fromDegFt(acftLon, acftLat, acftAlt);
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std::vector<Airport> airportsInRange;
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std::pair <std::multimap<int, Airport>::iterator, std::multimap<int, Airport>::iterator> ret;
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ret = _airportsData.equal_range(freqKhz);
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for (std::multimap<int, Airport>::iterator it=ret.first; it!=ret.second; ++it) {
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SGGeod aptPos = SGGeod::fromDeg(it->second.longitude, it->second.latitude);
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double distNm = SGGeodesy::distanceNm(aptPos, acftPos);
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if(distNm <= _maxRange){
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it->second.distanceNm = distNm;
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airportsInRange.push_back(it->second);
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}
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}
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if(!airportsInRange.size())
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return icao;
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std::sort(airportsInRange.begin(), airportsInRange.end(), orderByDistanceNm);
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aptLon = airportsInRange[0].longitude;
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aptLat = airportsInRange[0].latitude;
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icao = airportsInRange[0].icao;
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_airportPos = SGGeod::fromDeg(aptLon, aptLat);
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SG_LOG(SG_GENERAL, SG_INFO, "Airport " << airportsInRange[0].icao << " " << airportsInRange[0].name << " - "
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<< airportsInRange[0].type << " on " << airportsInRange[0].frequency
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<< " - is in range " << airportsInRange[0].distanceNm << "nm ("
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<< (SG_NM_TO_METER*airportsInRange[0].distanceNm)/1000 <<"km)");
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return icao;
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}
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// function: isInRange
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// action: return TRUE if airport/freq is in range, else return FALSE
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bool isInRange(std::string icao, double acftLat, double acftLon, double acftAlt)
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{
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for(size_t i=0; i<sizeof(special_freq)/sizeof(special_freq[0]); i++) { // Check if it's a special freq
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if( special_freq[i] == _currentFreqKhz )
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return true;
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}
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if(icao.empty())
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return false;
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SGGeod acftPos = SGGeod::fromDegFt(acftLon, acftLat, acftAlt);
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double distNm = SGGeodesy::distanceNm(_airportPos, acftPos);
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double delta_elevation_ft = fabs(acftPos.getElevationFt() - _airportPos.getElevationFt());
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double rangeNm = 1.23 * sqrt(delta_elevation_ft);
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if (rangeNm > _maxRange) rangeNm = _maxRange;
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if (rangeNm < _minRange) rangeNm = _minRange;
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if( distNm > rangeNm ) return false;
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return true;
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}
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// function: quit
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// action: set _running flag to false
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void quit(int state)
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{
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SG_LOG( SG_GENERAL, SG_INFO, "Exiting FGCom" );
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_running = false;
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#ifdef _WIN32
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lib_shutdown();
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SG_LOG(SG_GENERAL, SG_INFO, "You can close the terminal now");
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#endif
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}
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// function: usage
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// action: display FGCom usage then quit
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int usage()
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{
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std::cout << "FGCom " << FGCOM_VERSION << " usage:" << std::endl;
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std::cout << " --server=fgcom.flightgear.org - Server to connect" << std::endl;
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std::cout << " --host=127.0.0.1 - Host to listen i.e where FG is running" << std::endl;
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std::cout << " --port=16661 - Port to use" << std::endl;
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std::cout << " --callsign=guest - Callsign during session e.g F-ELYD" << std::endl;
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std::cout << " --frequency=xxx.xxx - Frequency e.g 120.500" << std::endl;
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std::cout << " --airport=YYYY - ICAO of airport e.g KSFO" << std::endl;
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std::cout << " --username=guest - Username for registration" << std::endl;
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std::cout << " --password=guest - Password for registration" << std::endl;
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std::cout << " --silence-threshold=-35 - Silence threshold in dB (-60 < range < 0 )" << std::endl;
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std::cout << " --debug - Enable debug output" << std::endl;
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std::cout << " --help - Show this message" << std::endl;
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std::cout << " --version - Show version" << std::endl;
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std::cout << "" << std::endl;
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std::cout << " None of these options are required, you can simply start FGCom without option at all: it works" << std::endl;
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std::cout << " For further information, please visit: http://wiki.flightgear.org/FGCom_3.0" << std::endl;
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|
std::cout << "" << std::endl;
|
|
std::cout << " About silence-threshold:" << std::endl;
|
|
std::cout << " This is the limit, in dB, when FGCom consider no voice in your microphone." << std::endl;
|
|
std::cout << " --silence-threshold=-60 is similar to micro always ON" << std::endl;
|
|
std::cout << " --silence-threshold=0 is similar to micro always OFF" << std::endl;
|
|
std::cout << " Default value is -35.0 dB" << std::endl;
|
|
std::cout << "" << std::endl;
|
|
std::cout << " In order to make an echo-test, you have to start FGCom like:" << std::endl;
|
|
std::cout << " fgcom --frequency=910" << std::endl;
|
|
std::cout << "" << std::endl;
|
|
std::cout << " In order to listen a frequency, you have to start FGCom like:" << std::endl;
|
|
std::cout << " fgcom --frequency=xxx.xxx --airport=YYYY" << std::endl;
|
|
std::cout << " where xxx.xxx is the frequency of the ICAO airport YYYY that you want to listen to" << std::endl;
|
|
std::cout << "" << std::endl;
|
|
std::cout << " In order to record an ATIS message, you have to start FGCom like:" << std::endl;
|
|
std::cout << " fgcom --atis=xxx.xxx --airport=YYYY" << std::endl;
|
|
std::cout << " where xxx.xxx is the ATIS frequency of the ICAO airport YYYY" << std::endl;
|
|
std::cout << "" << std::endl;
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
// function: version
|
|
// action: display FGCom version then quit
|
|
|
|
int version()
|
|
{
|
|
SG_LOG(SG_GENERAL, SG_INFO, "FGCom " << FGCOM_VERSION << " compiled " << __DATE__
|
|
<< ", at " << __TIME__ );
|
|
std::cout << "" << std::endl;
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
// function: computePhoneNumber
|
|
// action: return phone number
|
|
|
|
std::string computePhoneNumber(double freq, std::string icao, bool atis)
|
|
{
|
|
if(icao.empty())
|
|
return std::string();
|
|
|
|
char phoneNumber[256];
|
|
char exten[32];
|
|
char tmp[5];
|
|
int prefix = atis ? 99 : 01;
|
|
|
|
sprintf( tmp, "%4s", icao.c_str() );
|
|
|
|
sprintf( exten,
|
|
"%02d%02d%02d%02d%02d%06d",
|
|
prefix,
|
|
tmp[0],
|
|
tmp[1],
|
|
tmp[2],
|
|
tmp[3],
|
|
(int) (freq * 1000 + 0.5) );
|
|
exten[16] = '\0';
|
|
|
|
snprintf( phoneNumber,
|
|
sizeof(phoneNumber),
|
|
"%s:%s@%s/%s",
|
|
_username.c_str(),
|
|
_password.c_str(),
|
|
_server.c_str(),
|
|
exten);
|
|
return phoneNumber;
|
|
}
|
|
|
|
// function: lib_setVolume
|
|
// action: set input/output volume
|
|
|
|
void lib_setVolume(double input, double output)
|
|
{
|
|
SG_CLAMP_RANGE<double>(input, 0.0, 1.0);
|
|
SG_CLAMP_RANGE<double>(output, 0.0, 1.0);
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, "Set volume input=" << input << " , output=" << output);
|
|
iaxc_input_level_set(input);
|
|
iaxc_output_level_set(output);
|
|
}
|
|
|
|
// function: lib_setSilenceThreshold
|
|
// action: set silence threshold
|
|
|
|
void lib_setSilenceThreshold(double thd)
|
|
{
|
|
SG_CLAMP_RANGE<double>(thd, -60, 0);
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, "Set silence threshold=" << thd);
|
|
iaxc_set_silence_threshold(thd);
|
|
}
|
|
|
|
// function: lib_setCallerId
|
|
// action: set caller id for the session
|
|
|
|
void lib_setCallerId(std::string callsign)
|
|
{
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, "Set caller ID=" << callsign);
|
|
iaxc_set_callerid (callsign.c_str(), _app.c_str());
|
|
}
|
|
|
|
// function: lib_init
|
|
// action: init the library
|
|
|
|
bool lib_init()
|
|
{
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, "Initializing IAX library");
|
|
#ifdef _MSC_VER
|
|
iaxc_set_networking( (iaxc_sendto_t)sendto, (iaxc_recvfrom_t)recvfrom );
|
|
#endif
|
|
if (iaxc_initialize(4)) {
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Error: cannot initialize IAXClient !\nHINT: Have you checked the mic and speakers ?" );
|
|
return false;
|
|
}
|
|
|
|
iaxc_set_callerid( _callsign.c_str(), _app.c_str() );
|
|
iaxc_set_formats(IAXC_FORMAT_SPEEX, IAXC_FORMAT_ULAW|IAXC_FORMAT_SPEEX);
|
|
iaxc_set_speex_settings(1, 5, 0, 1, 0, 3);
|
|
iaxc_set_filters(IAXC_FILTER_AGC | IAXC_FILTER_DENOISE);
|
|
iaxc_set_event_callback(iaxc_callback);
|
|
iaxc_start_processing_thread ();
|
|
lib_setSilenceThreshold(_silenceThd);
|
|
return true;
|
|
}
|
|
|
|
// function: lib_shutdown
|
|
// action: stop the library
|
|
|
|
bool lib_shutdown()
|
|
{
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, "Shutdown IAX library");
|
|
lib_hangup();
|
|
if(_registrationId != -1)
|
|
iaxc_unregister(_registrationId);
|
|
return true;
|
|
}
|
|
|
|
// function: lib_call
|
|
// action: register a user on remote server then return the registration ID
|
|
|
|
int lib_registration()
|
|
{
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, "Request registration");
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, " username: " << _username);
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, " password: xxxxxxxx");
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, " server: " << _server);
|
|
int regId = iaxc_register( _username.c_str(), _password.c_str(), _server.c_str());
|
|
if(regId == -1) {
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Warning: cannot register '" << _username << "' at '" << _server );
|
|
}
|
|
return regId;
|
|
}
|
|
|
|
// function: lib_call
|
|
// action: kill current call then do a new call
|
|
|
|
bool lib_call(std::string icao, double freq)
|
|
{
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, "Request new call");
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, " icao: " << icao);
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, " freq: " << freq);
|
|
lib_hangup();
|
|
iaxc_millisleep(300);
|
|
std::string num = computePhoneNumber(freq, icao);
|
|
if(num.empty())
|
|
return false;
|
|
_callId = iaxc_call(num.c_str());
|
|
if(_callId == -1) {
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Warning: cannot call: " << num );
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool lib_directCall(std::string icao, double freq, std::string num)
|
|
{
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, "Request new call");
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, " icao: " << icao);
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, " freq: " << freq);
|
|
lib_hangup();
|
|
iaxc_millisleep(300);
|
|
if(num.empty())
|
|
return false;
|
|
_callId = iaxc_call(num.c_str());
|
|
if(_callId == -1) {
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Warning: cannot call: " << num );
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// function: lib_hangup
|
|
// action: kill current call
|
|
|
|
bool lib_hangup()
|
|
{
|
|
if(!_connected)
|
|
return false;
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, "Request hangup");
|
|
iaxc_dump_all_calls();
|
|
_callId = -1;
|
|
return false;
|
|
}
|
|
|
|
// function: iaxc_callback
|
|
// action: parse IAX event then call event handler
|
|
|
|
int iaxc_callback(iaxc_event e)
|
|
{
|
|
switch (e.type) {
|
|
case IAXC_EVENT_TEXT:
|
|
if(e.ev.text.type == IAXC_TEXT_TYPE_STATUS ||
|
|
e.ev.text.type == IAXC_TEXT_TYPE_IAX)
|
|
SG_LOG( SG_GENERAL, SG_INFO, "Message: " << e.ev.text.message );
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
// eof
|