1276 lines
33 KiB
C++
1276 lines
33 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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* For more information read: http://squonk.abacab.org/dokuwiki/fgcom
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*
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* (c) H. Wirtz <dcoredump@gmail.com>
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <simgear/debug/logstream.hxx>
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#include <simgear/io/raw_socket.hxx>
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#include <simgear/timing/timestamp.hxx>
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#include "fgcom.hxx"
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#include "fgcom_init.hxx"
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#include "utils.hxx"
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#include "version.h"
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/* Global variables */
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int exitcode = 0;
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int initialized = 0;
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int connected = 0;
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int reg_id;
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const char* dialstring;
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char airport[5];
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int codec = DEFAULT_IAX_CODEC;
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simgear::Socket sgSocket;
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/* Variables declared as static */
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static double selected_frequency = 0.0;
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static char mode = 0;
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static char rep_buf[MX_REPORT_BUF+2]; /* report output buffer - used on iax callback thread - note +2 to ensure null termination */
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static char num_buf[1024]; /* number generation buffer - used on main thread */
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static char states[256]; /* buffer to hold ascii states */
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static char delim = '\t'; /* output field delimiter */
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static int last_state = 0; /* previous state of the channel */
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static const char *map[] = {
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"unknown", "active", "outgoing", "ringing", "complete", "selected",
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"busy", "transfer", NULL
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};
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static const char *radio_map[] = {"COM1", "COM2"};
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char icao[5];
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double special_frq[] = {
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910.000,
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911.000,
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700.000,
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123.450,
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122.750,
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121.500,
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123.500,
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-1.0 };
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double *special_frequencies;
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double previous_com_frequency = 0.0;
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int previous_ptt = 0;
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float previous_vol = 0.0;
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float previous_thd = 0.0;
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int com_select = 0;
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int max_com_instruments = 2;
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struct airport *airportlist;
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struct fgdata data;
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char *prog; //program name
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/* configuration values */
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static bool debug = false;
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static int port;
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static const char *voipserver;
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static const char *fgserver;
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static const char *airport_option;
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static double frequency = -1.0;
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static const char *audio_in;
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static const char *audio_out;
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static double level_in = 0.7;
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static double level_out = 0.7;
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static double silence_thd = -35.0;
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static bool mic_boost;
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static char codec_option;
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static const char *callsign;
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static const char *username;
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static const char *password;
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static bool list_audio;
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static char *positions_file;
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static char *frequency_file;
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static const OptionEntry fgcomOptionArray[] = {
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{"debug", 'd', false, OPTION_NONE, &debug, 0, "show debugging information",
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0},
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{"voipserver", 'S', true, OPTION_STRING, &voipserver, 0,
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"voip server to connect to", &DEFAULT_VOIP_SERVER},
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{"fgserver", 's', true, OPTION_STRING, &fgserver, 0, "fg to connect to ",
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&DEFAULT_FG_SERVER},
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{"port", 'p', true, OPTION_INT, &port, 0, "where we should listen to FG", &port}, // hm, good idea? don't think so...
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{"airport", 'a', true, OPTION_STRING, &airport_option, 0,
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"airport-id (ICAO) for ATC-mode", 0},
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{"frequency", 'f', true, OPTION_DOUBLE, &frequency, 0,
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"frequency for ATC-mode", 0},
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{"callsign", 'C', true, OPTION_STRING, &callsign, 0,
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"callsign to use", &DEFAULT_USER},
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{"user", 'U', true, OPTION_STRING, &username, 0,
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"username for VoIP account", &DEFAULT_USER},
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{"password", 'P', true, OPTION_STRING, &password, 0,
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"password for VoIP account", &DEFAULT_PASSWORD},
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{"mic", 'i', true, OPTION_DOUBLE, &level_in, 0,
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"mic input level (0.0 - 1.0)", 0},
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{"speaker", 'o', true, OPTION_DOUBLE, &level_out, 0,
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"speaker output level (0.0 - 1.0)", 0},
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{"mic-boost", 'b', false, OPTION_BOOL, &mic_boost, 0, "enable mic boost",
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0},
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{"silence-threshold", 't', false, OPTION_DOUBLE, &silence_thd, 0, "set silence threshold (-60.0 - 0.0)",
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0},
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{"list-audio", 'l', false, OPTION_BOOL, &list_audio, 0,
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"list audio devices", 0},
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{"set-audio-in", 'r', true, OPTION_STRING, &audio_in, 0,
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"use <devicename> as audio input", 0},
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{"set-audio-out", 'k', true, OPTION_STRING, &audio_out, 0,
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"use <devicename> as audio output", 0},
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{"codec", 'c', true, OPTION_CHAR, &codec_option, 0,
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"use codec <codec> as transfer codec", &codec_option},
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{"positions", 'T', true, OPTION_STRING, &positions_file, 0,
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"location positions file", &DEFAULT_POSITIONS_FILE},
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{"special", 'Q', true, OPTION_STRING, &frequency_file, 0,
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"location spl. frequency file (opt)", &SPECIAL_FREQUENCIES_FILE},
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{NULL}
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};
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void
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process_packet (char *buf)
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{
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/* cut off ending \n */
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buf[strlen (buf) - 1] = '\0';
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/* parse the data into a struct */
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parse_fgdata (&data, buf);
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/* get the selected frequency */
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if (com_select == 0 && data.COM1_SRV == 1)
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selected_frequency = data.COM1_FRQ;
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else if (com_select == 1 && data.COM2_SRV == 1)
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selected_frequency = data.COM2_FRQ;
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/* Check for com frequency changes */
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if (previous_com_frequency != selected_frequency)
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{
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SG_LOG( SG_GENERAL, SG_ALERT, "Selected frequency: " << selected_frequency );
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/* remark the new frequency */
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previous_com_frequency = selected_frequency;
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if (connected == 1)
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{
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/* hangup call, if connected */
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iaxc_dump_call ();
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iaxc_millisleep (5 * DEFAULT_MILLISLEEP);
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connected = 0;
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}
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strcpy (icao,
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icaobypos (airportlist, selected_frequency, data.LAT,
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data.LON, DEFAULT_RANGE));
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icao2number (icao, selected_frequency, num_buf);
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SG_LOG( SG_GENERAL, SG_DEBUG, "Dialing " << icao << " " << selected_frequency << " MHz: " << num_buf );
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do_iaxc_call (username, password, voipserver, num_buf);
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connected = 1;
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}
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/* Check for pressed PTT key */
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if (previous_ptt != data.PTT)
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{
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if (data.PTT == 2)
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{
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/* select the next com equipment */
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com_select = (com_select + 1) % 2;
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SG_LOG( SG_GENERAL, SG_ALERT, "Radio selected is " << radio_map[com_select] );
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}
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else if (connected == 1)
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{
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ptt (data.PTT);
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}
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previous_ptt = data.PTT;
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}
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/* Check for output volume change */
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if (previous_vol != data.OUTPUT_VOL)
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{
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SG_LOG( SG_GENERAL, SG_ALERT, "Set speaker volume to " << data.OUTPUT_VOL );
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iaxc_output_level_set( data.OUTPUT_VOL );
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previous_vol = data.OUTPUT_VOL;
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}
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/* Check for silence threshold change */
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if (previous_thd != data.SILENCE_THD)
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{
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SG_LOG( SG_GENERAL, SG_ALERT, "Set silent threshold to " << data.SILENCE_THD );
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iaxc_set_silence_threshold( data.SILENCE_THD );
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previous_thd = data.SILENCE_THD;
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}
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/* Check for callsign change */
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if (strcmp(callsign, data.CALLSIGN) != 0)
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{
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iaxc_dump_call ();
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callsign = data.CALLSIGN;
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SG_LOG( SG_GENERAL, SG_ALERT, "FGCom will restart now with callsign " << callsign );
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std::string app = "FGCOM-";
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app += FGCOM_VERSION;
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iaxc_set_callerid ( callsign, app.c_str() );
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}
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}
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static char *base_name( char *name )
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{
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char *bn = name;
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size_t len = strlen(name);
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size_t i;
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int c;
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for ( i = 0; i < len; i++ ) {
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c = name[i];
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if (( c == '/' ) || ( c == '\\'))
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bn = &name[i+1];
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}
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return bn;
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}
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// if default FAILS, for OSX and WIN try EXE path
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int fix_input_files()
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{
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int iret = 0;
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char *def_freq = (char *) SPECIAL_FREQUENCIES_FILE;
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char *def_pos = (char *) DEFAULT_POSITIONS_FILE;
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char exepath[MX_PATH_SIZE+2];
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exepath[0] = 0;
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if (strcmp( frequency_file,def_freq) == 0) {
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/* ok is default value - do some fixes */
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if (is_file_or_directory( frequency_file ) != 1) {
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exepath[0] = 0;
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iret |= get_data_path_per_os( exepath, MX_PATH_SIZE );
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strcat(exepath,def_freq);
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frequency_file = strdup(exepath);
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}
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}
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if (strcmp( positions_file,def_pos) == 0) {
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// if default FAILS, for OSX and WIN try EXE path
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if (is_file_or_directory( positions_file ) != 1) {
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exepath[0] = 0;
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iret |= get_data_path_per_os( exepath, MX_PATH_SIZE );
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strcat(exepath,def_pos);
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positions_file = strdup(exepath);
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}
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}
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return iret;
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}
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int
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main (int argc, char *argv[])
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{
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int numbytes;
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static char pkt_buf[MAXBUFLEN+2];
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simgear::requestConsole();
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sglog().setLogLevels( SG_ALL, SG_ALERT );
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prog = strdup( base_name(argv[0]) );
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/* program header */
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SG_LOG( SG_GENERAL, SG_ALERT, prog << " - a communication radio based on VoIP with IAX/Asterisk" );
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SG_LOG( SG_GENERAL, SG_ALERT, "Original (c) 2007-2011 by H. Wirtz <wirtz@dfn.de>" );
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SG_LOG( SG_GENERAL, SG_ALERT, "OSX and Windows ports 2012-2013 by Yves Sablonier and Geoff R. McLane, resp." );
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SG_LOG( SG_GENERAL, SG_ALERT, "Version " << FGCOM_VERSION << " compiled " << __DATE__ << ", at " << __TIME__ );
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SG_LOG( SG_GENERAL, SG_ALERT, "Using iaxclient library Version " << iaxc_version (pkt_buf) );
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SG_LOG( SG_GENERAL, SG_ALERT, "" );
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/* init values */
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voipserver = DEFAULT_VOIP_SERVER;
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fgserver = DEFAULT_FG_SERVER;
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port = DEFAULT_FG_PORT;
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username = DEFAULT_USER;
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password = DEFAULT_PASSWORD;
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codec_option = DEFAULT_CODEC;
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mode = 0; // 0 = ATC mode, 1 = FG mode
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positions_file = (char *) DEFAULT_POSITIONS_FILE;
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frequency_file = (char *) SPECIAL_FREQUENCIES_FILE;
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#ifndef _WIN32
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/* catch signals */
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signal (SIGINT, quit);
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signal (SIGQUIT, quit);
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signal (SIGTERM, quit);
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#endif
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/* setup iax */
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#ifdef _MSC_VER
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/* MSVC only - In certain circumstances the addresses placed in iaxc_sendto and iaxc_recvfrom
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can be an offset to a jump table, making a compare of the current address to the address of
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the actual imported function fail. So here ensure they are the same. */
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iaxc_set_networking( (iaxc_sendto_t)sendto, (iaxc_recvfrom_t)recvfrom );
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#endif // _MSC_VER
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if (iaxc_initialize (DEFAULT_MAX_CALLS))
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fatal_error ("cannot initialize iaxclient!\nHINT: Have you checked the mic and speakers?");
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initialized = 1;
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// option parser
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fgcomInitOptions (fgcomOptionArray, argc, argv);
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if( debug )
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sglog().setLogLevels( SG_ALL, SG_DEBUG );
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// codec
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if (codec_option)
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{
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switch (codec_option)
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{
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case 'u':
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codec = IAXC_FORMAT_ULAW;
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break;
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case 'a':
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codec = IAXC_FORMAT_ALAW;
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break;
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case 'g':
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codec = IAXC_FORMAT_GSM;
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break;
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case '7':
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codec = IAXC_FORMAT_G726;
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break;
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case 's':
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codec = IAXC_FORMAT_SPEEX;
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break;
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}
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}
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// airport
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if (airport_option)
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{
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strtoupper (airport_option, airport, sizeof (airport));
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}
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// input level
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if (level_in > 1.0)
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{
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level_in = 1.0;
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}
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if (level_in < 0.0)
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{
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level_in = 0.0;
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}
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// output level
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if (level_out > 1.0)
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{
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level_out = 1.0;
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}
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if (level_out < 0.0)
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{
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level_out = 0.0;
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}
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// microphone boost
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if (mic_boost)
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{
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iaxc_mic_boost_set (1);
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}
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if (list_audio)
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{
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SG_LOG( SG_GENERAL, SG_ALERT, "Input audio devices:" );
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SG_LOG( SG_GENERAL, SG_ALERT, report_devices(IAXC_AD_INPUT) );
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SG_LOG( SG_GENERAL, SG_ALERT, "Output audio devices:" );
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SG_LOG( SG_GENERAL, SG_ALERT, report_devices(IAXC_AD_OUTPUT) );
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iaxc_shutdown ();
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exit (1);
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}
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if (audio_in)
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{
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set_device (audio_in, 0);
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}
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if (audio_out)
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{
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set_device (audio_out, 1);
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}
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/* checking consistency of arguments */
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if (frequency > 0.0 && frequency < 1000.0)
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{
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if (strlen (airport) == 0 || strlen (airport) > 4)
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{
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strcpy (airport, "ZZZZ");
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}
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/* airport and frequency are given => ATC mode */
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mode = 0;
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}
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else
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{
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/* no airport => FG mode */
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mode = 1;
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}
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/* Read special frequencies file (if exists).
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* If no file $(INSTALL_DIR)/special_frequencies.txt exists, then default frequencies
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* are used and are hard coded.
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*/
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if (fix_input_files()) { /* adjust default input per OS */
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fatal_error ("cannot adjust default input files per OS!\nHINT: Maybe recompile with larger buffer.");
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}
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if((special_frequencies = read_special_frequencies(frequency_file)) == 0) {
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SG_LOG( SG_GENERAL, SG_ALERT, "Failed to load file [" << frequency_file << "] !" );
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SG_LOG( SG_GENERAL, SG_ALERT, "Using internal defaults" );
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special_frequencies = special_frq;
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} else {
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SG_LOG( SG_GENERAL, SG_ALERT, "Loaded file [" << frequency_file << "]." );
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}
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/* read airport frequencies and positions */
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airportlist = read_airports (positions_file); /* never returns if fail! */
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/* preconfigure iax */
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SG_LOG( SG_GENERAL, SG_ALERT, "Initializing IAX client as " << username << ":" << "xxxxxxxxxxx@" << voipserver );
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std::string app = "FGCOM-";
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app += FGCOM_VERSION;
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if( !callsign )
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callsign = DEFAULT_USER;
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iaxc_set_callerid ( callsign, app.c_str() );
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iaxc_set_formats (IAXC_FORMAT_SPEEX, IAXC_FORMAT_ULAW|IAXC_FORMAT_SPEEX);
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iaxc_set_speex_settings(1, 5, 0, 1, 0, 3);
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iaxc_set_filters(IAXC_FILTER_AGC | IAXC_FILTER_DENOISE);
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iaxc_set_silence_threshold(silence_thd);
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iaxc_set_event_callback (iaxc_callback);
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iaxc_start_processing_thread ();
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if (username && password && voipserver)
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{
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reg_id =
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iaxc_register (const_cast < char *>(username),
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const_cast < char *>(password),
|
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const_cast < char *>(voipserver));
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SG_LOG( SG_GENERAL, SG_DEBUG, "Registered as '" << username << "' at '" << voipserver );
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}
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else
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{
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SG_LOG( SG_GENERAL, SG_ALERT, "Failed iaxc_register !" );
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SG_LOG( SG_GENERAL, SG_ALERT, "HINT: Check username, passwordd and address of server" );
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exitcode = 130;
|
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quit (0);
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}
|
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|
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iaxc_millisleep (DEFAULT_MILLISLEEP);
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|
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/* main loop */
|
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if (mode == 1)
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{
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SG_LOG( SG_GENERAL, SG_DEBUG, "Entering main loop in mode FGFS" );
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/* only in FG mode */
|
|
simgear::Socket::initSockets();
|
|
sgSocket.open (false);
|
|
sgSocket.bind (fgserver, port);
|
|
|
|
/* mute mic, speaker on */
|
|
iaxc_input_level_set (0);
|
|
iaxc_output_level_set (level_out);
|
|
|
|
SGTimeStamp sg_clock;
|
|
sg_clock.stamp();
|
|
|
|
double sg_next_update = sg_clock.toSecs() + DEFAULT_ALARM_TIMER;
|
|
/* get data from flightgear */
|
|
while (1)
|
|
{
|
|
sg_clock.stamp();
|
|
double sg_wait = sg_next_update - sg_clock.toSecs();
|
|
if (sg_wait > 0.001)
|
|
{
|
|
simgear::Socket *readSockets[2] = { &sgSocket, 0 };
|
|
if (sgSocket.select (readSockets, readSockets + 1,
|
|
(int) (sg_wait * 1000)) == 1)
|
|
{
|
|
simgear::IPAddress their_addr;
|
|
numbytes = sgSocket.recvfrom(pkt_buf, MAXBUFLEN - 1, 0, &their_addr);
|
|
if (numbytes == -1)
|
|
{
|
|
perror ("recvfrom");
|
|
exit (1);
|
|
}
|
|
pkt_buf[numbytes] = '\0';
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "Got packet from " << their_addr.getHost () << ":" << their_addr.getPort () );
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "Packet is " << numbytes << " bytes long" );
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "Packet contains \"" << pkt_buf << "\"" );
|
|
process_packet (pkt_buf);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alarm_handler (0);
|
|
sg_clock.stamp();
|
|
sg_next_update = sg_clock.toSecs() + DEFAULT_ALARM_TIMER;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "Entering main loop in mode ATC" );
|
|
/* mic on, speaker on */
|
|
iaxc_input_level_set (1.0);
|
|
iaxc_output_level_set (1.0);
|
|
|
|
icao2atisnumber (airport, frequency, num_buf);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "Dialing " << airport << " " << frequency << " MHz: " << num_buf );
|
|
do_iaxc_call (username, password, voipserver, num_buf);
|
|
|
|
while (1)
|
|
{
|
|
/* sleep endless */
|
|
SGTimeStamp::sleepForMSec(3600000);
|
|
}
|
|
}
|
|
|
|
/* should never be reached */
|
|
exitcode = 999;
|
|
quit (0);
|
|
}
|
|
|
|
void
|
|
quit (int signal)
|
|
{
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Stopping service" );
|
|
|
|
if (initialized)
|
|
iaxc_shutdown ();
|
|
if (reg_id)
|
|
iaxc_unregister (reg_id);
|
|
|
|
exit (exitcode);
|
|
}
|
|
|
|
void
|
|
alarm_handler (int signal)
|
|
{
|
|
/* Check every DEFAULT_ALARM_TIMER seconds if position related things should happen */
|
|
if (check_special_frq (selected_frequency))
|
|
{
|
|
strcpy (icao, "ZZZZ");
|
|
}
|
|
else
|
|
{
|
|
strcpy (icao,
|
|
icaobypos (airportlist, selected_frequency, data.LAT, data.LON,
|
|
DEFAULT_RANGE));
|
|
}
|
|
|
|
/* Check if we are out of range */
|
|
if (strlen (icao) == 0 && connected == 1)
|
|
{
|
|
/* Yes, we are out of range so hangup */
|
|
iaxc_dump_call ();
|
|
iaxc_millisleep (5 * DEFAULT_MILLISLEEP);
|
|
connected = 0;
|
|
}
|
|
|
|
/* Check if we are now in range */
|
|
else if (strlen (icao) != 0 && connected == 0)
|
|
{
|
|
icao2number (icao, selected_frequency, num_buf);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "Dialing " << icao << " " << selected_frequency << " MHz: " << num_buf );
|
|
do_iaxc_call (username, password, voipserver, num_buf);
|
|
connected = 1;
|
|
}
|
|
}
|
|
|
|
void
|
|
strtoupper (const char *str, char *buf, size_t len)
|
|
{
|
|
unsigned int i;
|
|
for (i = 0; str[i] && i < len - 1; i++)
|
|
{
|
|
buf[i] = toupper (str[i]);
|
|
}
|
|
|
|
buf[i++] = '\0';
|
|
}
|
|
|
|
void
|
|
fatal_error (const char *err)
|
|
{
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "FATAL ERROR: " << err );
|
|
if (initialized)
|
|
iaxc_shutdown ();
|
|
exit (1);
|
|
}
|
|
|
|
int
|
|
iaxc_callback (iaxc_event e)
|
|
{
|
|
switch (e.type)
|
|
{
|
|
case IAXC_EVENT_LEVELS:
|
|
event_level (e.ev.levels.input, e.ev.levels.output);
|
|
break;
|
|
case IAXC_EVENT_TEXT:
|
|
event_text (e.ev.text.type, e.ev.text.message);
|
|
break;
|
|
case IAXC_EVENT_STATE:
|
|
event_state (e.ev.call.state, e.ev.call.remote, e.ev.call.remote_name,
|
|
e.ev.call.local, e.ev.call.local_context);
|
|
break;
|
|
case IAXC_EVENT_NETSTAT:
|
|
event_netstats (e.ev.netstats);
|
|
case IAXC_EVENT_REGISTRATION:
|
|
event_register (e.ev.reg.id, e.ev.reg.reply, e.ev.reg.msgcount);
|
|
break;
|
|
default:
|
|
event_unknown (e.type);
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
event_state (int state, char *remote, char *remote_name,
|
|
char *local, char *local_context)
|
|
{
|
|
last_state = state;
|
|
/* This is needed for auto-reconnect */
|
|
if (state == 0)
|
|
{
|
|
connected = 0;
|
|
/* FIXME: we should wake up the main thread somehow */
|
|
/* in fg mode the next incoming packet will do that anyway */
|
|
}
|
|
|
|
snprintf (rep_buf, MX_REPORT_BUF,
|
|
"S%c0x%x%c%s%c%.50s%c%.50s%c%.50s%c%.50s", delim, state,
|
|
delim, map_state (state), delim, remote, delim, remote_name,
|
|
delim, local, delim, local_context);
|
|
rep_buf[MX_REPORT_BUF] = 0; /* ensure null termination */
|
|
report (rep_buf);
|
|
}
|
|
|
|
void
|
|
event_text (int type, char *message)
|
|
{
|
|
snprintf (rep_buf, MX_REPORT_BUF, "T%c%d%c%.200s", delim, type, delim, message);
|
|
SG_LOG( SG_GENERAL, SG_ALERT, message );
|
|
rep_buf[MX_REPORT_BUF] = 0; /* ensure null termination */
|
|
report (rep_buf);
|
|
}
|
|
|
|
void
|
|
event_register (int id, int reply, int count)
|
|
{
|
|
const char *reason;
|
|
switch (reply)
|
|
{
|
|
case IAXC_REGISTRATION_REPLY_ACK:
|
|
reason = "accepted";
|
|
break;
|
|
case IAXC_REGISTRATION_REPLY_REJ:
|
|
reason = "denied";
|
|
if (strcmp (username, "guest") != 0)
|
|
{
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Registering denied" );
|
|
}
|
|
break;
|
|
case IAXC_REGISTRATION_REPLY_TIMEOUT:
|
|
reason = "timeout";
|
|
break;
|
|
default:
|
|
reason = "unknown";
|
|
}
|
|
snprintf (rep_buf, MX_REPORT_BUF, "R%c%d%c%s%c%d", delim, id, delim,
|
|
reason, delim, count);
|
|
rep_buf[MX_REPORT_BUF] = 0; /* ensure null termination */
|
|
report (rep_buf);
|
|
}
|
|
|
|
void
|
|
event_netstats (struct iaxc_ev_netstats stat)
|
|
{
|
|
struct iaxc_netstat local = stat.local;
|
|
struct iaxc_netstat remote = stat.remote;
|
|
snprintf (rep_buf, MX_REPORT_BUF,
|
|
"N%c%d%c%d%c%d%c%d%c%d%c%d%c%d%c%d%c%d%c%d%c%d%c%d%c%d%c%d%c%d%c%d",
|
|
delim, stat.callNo, delim, stat.rtt,
|
|
delim, local.jitter, delim, local.losspct, delim,
|
|
local.losscnt, delim, local.packets, delim, local.delay,
|
|
delim, local.dropped, delim, local.ooo, delim,
|
|
remote.jitter, delim, remote.losspct, delim, remote.losscnt,
|
|
delim, remote.packets, delim, remote.delay, delim,
|
|
remote.dropped, delim, remote.ooo);
|
|
rep_buf[MX_REPORT_BUF] = 0; /* ensure null termination */
|
|
report (rep_buf);
|
|
}
|
|
|
|
void
|
|
event_level (double in, double out)
|
|
{
|
|
snprintf (rep_buf, MX_REPORT_BUF, "L%c%.1f%c%.1f", delim, in, delim, out);
|
|
rep_buf[MX_REPORT_BUF] = 0; /* ensure null termination */
|
|
report (rep_buf);
|
|
}
|
|
|
|
const char *
|
|
map_state (int state)
|
|
{
|
|
int i, j;
|
|
int next = 0;
|
|
*states = '\0';
|
|
if (state == 0)
|
|
{
|
|
return "free";
|
|
}
|
|
for (i = 0, j = 1; map[i] != NULL; i++, j <<= 1)
|
|
{
|
|
if (state & j)
|
|
{
|
|
if (next)
|
|
strcat (states, ",");
|
|
strcat (states, map[i]);
|
|
next = 1;
|
|
}
|
|
}
|
|
return states;
|
|
}
|
|
|
|
void
|
|
event_unknown (int type)
|
|
{
|
|
snprintf (rep_buf, MX_REPORT_BUF, "U%c%d", delim, type);
|
|
rep_buf[MX_REPORT_BUF] = 0; /* ensure null termination */
|
|
report (rep_buf);
|
|
}
|
|
|
|
void
|
|
report (char *text)
|
|
{
|
|
if (debug)
|
|
{
|
|
SG_LOG( SG_GENERAL, SG_ALERT, text );
|
|
fflush (stdout);
|
|
}
|
|
}
|
|
|
|
void
|
|
ptt (int mode)
|
|
{
|
|
if (mode == 1)
|
|
{
|
|
/* mic is muted so unmute and mute speaker */
|
|
iaxc_input_level_set (level_in);
|
|
iaxc_output_level_set (0.0);
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "[SPEAK] unmute mic, mute speaker" );
|
|
}
|
|
else
|
|
{
|
|
/* mic is unmuted so mute and unmute speaker */
|
|
iaxc_input_level_set (0.0);
|
|
iaxc_output_level_set (level_out);
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "[LISTEN] mute mic, unmute speaker" );
|
|
}
|
|
}
|
|
|
|
int
|
|
split (char *string, char *fields[], int nfields, const char *sep)
|
|
{
|
|
register char *p = string;
|
|
register char c; /* latest character */
|
|
register char sepc = sep[0];
|
|
register char sepc2;
|
|
register int fn;
|
|
register char **fp = fields;
|
|
register const char *sepp;
|
|
register int trimtrail;
|
|
/* white space */
|
|
if (sepc == '\0')
|
|
{
|
|
while ((c = *p++) == ' ' || c == '\t')
|
|
continue;
|
|
p--;
|
|
trimtrail = 1;
|
|
sep = " \t"; /* note, code below knows this is 2 long */
|
|
sepc = ' ';
|
|
}
|
|
else
|
|
trimtrail = 0;
|
|
sepc2 = sep[1]; /* now we can safely pick this up */
|
|
/* catch empties */
|
|
if (*p == '\0')
|
|
return (0);
|
|
/* single separator */
|
|
if (sepc2 == '\0')
|
|
{
|
|
fn = nfields;
|
|
for (;;)
|
|
{
|
|
*fp++ = p;
|
|
fn--;
|
|
if (fn == 0)
|
|
break;
|
|
while ((c = *p++) != sepc)
|
|
if (c == '\0')
|
|
return (nfields - fn);
|
|
*(p - 1) = '\0';
|
|
}
|
|
/* we have overflowed the fields vector -- just count them */
|
|
fn = nfields;
|
|
for (;;)
|
|
{
|
|
while ((c = *p++) != sepc)
|
|
if (c == '\0')
|
|
return (fn);
|
|
fn++;
|
|
}
|
|
/* not reached */
|
|
}
|
|
|
|
/* two separators */
|
|
if (sep[2] == '\0')
|
|
{
|
|
fn = nfields;
|
|
for (;;)
|
|
{
|
|
*fp++ = p;
|
|
fn--;
|
|
while ((c = *p++) != sepc && c != sepc2)
|
|
if (c == '\0')
|
|
{
|
|
if (trimtrail && **(fp - 1) == '\0')
|
|
fn++;
|
|
return (nfields - fn);
|
|
}
|
|
if (fn == 0)
|
|
break;
|
|
*(p - 1) = '\0';
|
|
while ((c = *p++) == sepc || c == sepc2)
|
|
continue;
|
|
p--;
|
|
}
|
|
/* we have overflowed the fields vector -- just count them */
|
|
fn = nfields;
|
|
while (c != '\0')
|
|
{
|
|
while ((c = *p++) == sepc || c == sepc2)
|
|
continue;
|
|
p--;
|
|
fn++;
|
|
while ((c = *p++) != '\0' && c != sepc && c != sepc2)
|
|
continue;
|
|
}
|
|
/* might have to trim trailing white space */
|
|
if (trimtrail)
|
|
{
|
|
p--;
|
|
while ((c = *--p) == sepc || c == sepc2)
|
|
continue;
|
|
p++;
|
|
if (*p != '\0')
|
|
{
|
|
if (fn == nfields + 1)
|
|
*p = '\0';
|
|
fn--;
|
|
}
|
|
}
|
|
return (fn);
|
|
}
|
|
|
|
/* n separators */
|
|
fn = 0;
|
|
for (;;)
|
|
{
|
|
if (fn < nfields)
|
|
*fp++ = p;
|
|
fn++;
|
|
for (;;)
|
|
{
|
|
c = *p++;
|
|
if (c == '\0')
|
|
return (fn);
|
|
sepp = sep;
|
|
while ((sepc = *sepp++) != '\0' && sepc != c)
|
|
continue;
|
|
if (sepc != '\0') /* it was a separator */
|
|
break;
|
|
}
|
|
if (fn < nfields)
|
|
*(p - 1) = '\0';
|
|
for (;;)
|
|
{
|
|
c = *p++;
|
|
sepp = sep;
|
|
while ((sepc = *sepp++) != '\0' && sepc != c)
|
|
continue;
|
|
if (sepc == '\0') /* it wasn't a separator */
|
|
break;
|
|
}
|
|
p--;
|
|
}
|
|
|
|
/* not reached */
|
|
}
|
|
|
|
/**
|
|
*
|
|
* \fn double *read_special_frequencies(const char *file)
|
|
*
|
|
* \brief Reads the file "special_frequencies.txt" if it exists.
|
|
* If no file exists, then no special frequencies are useable.
|
|
*
|
|
* \param file pointer on the filename.
|
|
*
|
|
* \return Returns the pointer on an array containing doubles if file
|
|
* has been successfully opened and read, otherwise returns NULL.
|
|
*
|
|
*/
|
|
double *read_special_frequencies(const char *file)
|
|
{
|
|
double *l_pfrq = NULL;
|
|
double l_value;
|
|
int l_count;
|
|
int l_allocated = 0;
|
|
int l_new_size;
|
|
|
|
if((l_pfrq = (double *)malloc(ALLOC_CHUNK_SIZE * sizeof(double))) != NULL)
|
|
{
|
|
l_allocated += ALLOC_CHUNK_SIZE;
|
|
|
|
if(FGC_SUCCESS(parser_init(file)))
|
|
{
|
|
l_count = 0;
|
|
|
|
while(FGC_SUCCESS(parser_get_next_value(&l_value)))
|
|
{
|
|
if(l_count >= l_allocated)
|
|
{
|
|
l_new_size = ALLOC_CHUNK_SIZE * (l_count / ALLOC_CHUNK_SIZE + 1);
|
|
l_pfrq = (double *)realloc(l_pfrq, l_new_size * sizeof(double));
|
|
l_allocated += ALLOC_CHUNK_SIZE;
|
|
}
|
|
|
|
l_pfrq[l_count] = l_value;
|
|
|
|
l_count++;
|
|
}
|
|
|
|
/* Last value of the array must be -1.0 which is the terminator. */
|
|
if(l_count == l_allocated)
|
|
l_pfrq = (double *)realloc(l_pfrq, (l_count + 1) * sizeof(double));
|
|
l_pfrq[l_count] = -1.0;
|
|
} else {
|
|
// failed to open file
|
|
parser_exit();
|
|
free(l_pfrq);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
parser_exit();
|
|
|
|
return(l_pfrq);
|
|
}
|
|
|
|
|
|
struct airport *
|
|
read_airports (const char *file)
|
|
{
|
|
FILE *fp;
|
|
int ret;
|
|
struct airport airport_tmp;
|
|
struct airport *first = NULL;
|
|
struct airport *my_airport = NULL;
|
|
struct airport *previous_airport = NULL;
|
|
size_t counter = 0;
|
|
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Reading airports [" << file << "]" );
|
|
|
|
if ((fp = fopen (file, "rt")) == NULL)
|
|
{
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "ERROR: open failed!" );
|
|
perror ("fopen");
|
|
exitcode = 120;
|
|
quit (0);
|
|
}
|
|
|
|
airport_tmp.next = NULL;
|
|
while ((ret = fscanf (fp, " %4[^,],%f,%lf,%lf,%128[^,],%128[^\r\n]",
|
|
airport_tmp.icao, &airport_tmp.frequency,
|
|
&airport_tmp.lat, &airport_tmp.lon,
|
|
airport_tmp.type, airport_tmp.text)) == 6)
|
|
{
|
|
counter++;
|
|
if ((my_airport =
|
|
(struct airport *) malloc (sizeof (struct airport))) == NULL)
|
|
{
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Error allocating memory for airport data" );
|
|
exitcode = 900;
|
|
quit (0);
|
|
}
|
|
|
|
if (first == NULL)
|
|
first = my_airport;
|
|
memcpy (my_airport, &airport_tmp, sizeof (airport_tmp));
|
|
if (previous_airport != NULL)
|
|
{
|
|
previous_airport->next = my_airport;
|
|
}
|
|
previous_airport = my_airport;
|
|
}
|
|
|
|
fclose (fp);
|
|
if (ret != EOF)
|
|
{
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "ERROR during reading airports!" );
|
|
exitcode = 900;
|
|
quit (0);
|
|
}
|
|
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "loaded " << counter << " entries" );
|
|
return (first);
|
|
}
|
|
|
|
char *
|
|
report_devices (int in)
|
|
{
|
|
struct iaxc_audio_device *devs; //audio devices
|
|
int ndevs; //audio dedvice count
|
|
int input, output, ring; //audio device id's
|
|
int current, i;
|
|
int flag = in ? IAXC_AD_INPUT : IAXC_AD_OUTPUT;
|
|
iaxc_audio_devices_get (&devs, &ndevs, &input, &output, &ring);
|
|
current = in ? input : output;
|
|
snprintf (rep_buf, MX_REPORT_BUF, "%s\n", devs[current].name);
|
|
for (i = 0; i < ndevs; i++)
|
|
{
|
|
if (devs[i].capabilities & flag && i != current)
|
|
{
|
|
snprintf (rep_buf + strlen (rep_buf), MX_REPORT_BUF - strlen (rep_buf), "%s\n",
|
|
devs[i].name);
|
|
}
|
|
rep_buf[MX_REPORT_BUF] = 0; /* ensure null termination */
|
|
if (strlen(rep_buf) >= MX_REPORT_BUF)
|
|
break;
|
|
}
|
|
rep_buf[MX_REPORT_BUF] = 0; /* ensure null termination */
|
|
return rep_buf;
|
|
}
|
|
|
|
int
|
|
set_device (const char *name, int out)
|
|
{
|
|
struct iaxc_audio_device *devs; /* audio devices */
|
|
int ndevs; /* audio dedvice count */
|
|
int input, output, ring; /* audio device id's */
|
|
int i;
|
|
iaxc_audio_devices_get (&devs, &ndevs, &input, &output, &ring);
|
|
for (i = 0; i < ndevs; i++)
|
|
{
|
|
if (devs[i].capabilities & (out ? IAXC_AD_OUTPUT : IAXC_AD_INPUT) &&
|
|
strcmp (name, devs[i].name) == 0)
|
|
{
|
|
if (out)
|
|
{
|
|
output = devs[i].devID;
|
|
}
|
|
else
|
|
{
|
|
input = devs[i].devID;
|
|
}
|
|
fprintf (stderr, "device %s = %s (%d)\n", out ? "out" : "in", name,
|
|
devs[i].devID);
|
|
iaxc_audio_devices_set (input, output, ring);
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
parse_fgdata (struct fgdata *data, char *buf)
|
|
{
|
|
char *data_pair = NULL;
|
|
char *fields[2];
|
|
fields[0] = NULL;
|
|
fields[1] = NULL;
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "Parsing data: [" << buf << "]" );
|
|
/* Parse data from FG */
|
|
data_pair = strtok (buf, ",");
|
|
while (data_pair != NULL)
|
|
{
|
|
split (data_pair, fields, 2, "=");
|
|
if (strcmp (fields[0], "COM1_FRQ") == 0)
|
|
{
|
|
data->COM1_FRQ = atof (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "COM1_FRQ=" << data->COM1_FRQ );
|
|
}
|
|
else if (strcmp (fields[0], "COM2_FRQ") == 0)
|
|
{
|
|
data->COM2_FRQ = atof (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "COM2_FRQ=" << data->COM2_FRQ );
|
|
}
|
|
else if (strcmp (fields[0], "NAV1_FRQ") == 0)
|
|
{
|
|
data->NAV1_FRQ = atof (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "NAV1_FRQ=" << data->NAV1_FRQ );
|
|
}
|
|
else if (strcmp (fields[0], "NAV2_FRQ") == 0)
|
|
{
|
|
data->NAV2_FRQ = atof (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "NAV2_FRQ=" << data->NAV2_FRQ );
|
|
}
|
|
else if (strcmp (fields[0], "PTT") == 0)
|
|
{
|
|
data->PTT = atoi (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "PTT=" << data->PTT );
|
|
}
|
|
else if (strcmp (fields[0], "TRANSPONDER") == 0)
|
|
{
|
|
data->TRANSPONDER = atoi (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "TRANSPONDER=" << data->TRANSPONDER );
|
|
}
|
|
else if (strcmp (fields[0], "IAS") == 0)
|
|
{
|
|
data->IAS = atof (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "IAS=" << data->IAS );
|
|
}
|
|
else if (strcmp (fields[0], "GS") == 0)
|
|
{
|
|
data->GS = atof (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "GS=" << data->GS );
|
|
}
|
|
else if (strcmp (fields[0], "LON") == 0)
|
|
{
|
|
data->LON = atof (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "LON=" << data->LON );
|
|
}
|
|
else if (strcmp (fields[0], "LAT") == 0)
|
|
{
|
|
data->LAT = atof (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "LAT=" << data->LAT );
|
|
}
|
|
else if (strcmp (fields[0], "ALT") == 0)
|
|
{
|
|
data->ALT = atoi (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "ALT=" << data->ALT );
|
|
}
|
|
else if (strcmp (fields[0], "HEAD") == 0)
|
|
{
|
|
data->HEAD = atof (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "HEAD=" << data->HEAD );
|
|
}
|
|
else if (strcmp (fields[0], "COM1_SRV") == 0)
|
|
{
|
|
data->COM1_SRV = atoi (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "COM1_SRV" << data->COM1_SRV );
|
|
}
|
|
else if (strcmp (fields[0], "COM2_SRV") == 0)
|
|
{
|
|
data->COM2_SRV = atoi (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "COM2_SRV=" << data->COM2_SRV );
|
|
}
|
|
else if (strcmp (fields[0], "NAV1_SRV") == 0)
|
|
{
|
|
data->NAV1_SRV = atoi (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "NAV1_SRV=" << data->NAV1_SRV );
|
|
}
|
|
else if (strcmp (fields[0], "NAV2_SRV") == 0)
|
|
{
|
|
data->NAV2_SRV = atoi (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "NAV2_SRV=" << data->NAV2_SRV );
|
|
}
|
|
else if (strcmp (fields[0], "OUTPUT_VOL") == 0)
|
|
{
|
|
data->OUTPUT_VOL = atof (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "OUTPUT_VOL=" << data->OUTPUT_VOL );
|
|
}
|
|
else if (strcmp (fields[0], "SILENCE_THD") == 0)
|
|
{
|
|
data->SILENCE_THD = atof (fields[1]);
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "SILENCE_THD=" << data->SILENCE_THD );
|
|
}
|
|
else if (strcmp (fields[0], "CALLSIGN") == 0)
|
|
{
|
|
data->CALLSIGN = fields[1];
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "CALLSIGN=" << data->CALLSIGN );
|
|
}
|
|
else
|
|
{
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "Unknown field " << fields[0] << "=" << fields[1] );
|
|
}
|
|
|
|
data_pair = strtok (NULL, ",");
|
|
}
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "" );
|
|
}
|
|
|
|
/**
|
|
*
|
|
* \fn int check_special_frq (double frq)
|
|
*
|
|
* \brief Check to see if specified frequency is a special frequency.
|
|
*
|
|
* \param frq frequency to check against special frequencies
|
|
*
|
|
* \return Returns 1 if successful, otherwise returns 0.
|
|
*
|
|
*/
|
|
int check_special_frq (double frq)
|
|
{
|
|
int i = 0;
|
|
frq = ceilf(frq*1000.0)/1000.0; // 20130602: By Clement de l'Hamaide, to 'Make 123.450Mhz usable'
|
|
while (special_frequencies[i] >= 0.0)
|
|
{
|
|
if (frq == special_frequencies[i])
|
|
{
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Special frequency: " << frq );
|
|
return (1);
|
|
}
|
|
i++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
do_iaxc_call (const char *username, const char *password,
|
|
const char *voipserver, char *number)
|
|
{
|
|
char dest[256];
|
|
|
|
if( strcmp(number, "9990909090910000") == 0)
|
|
number = (char *)"0190909090910000";
|
|
|
|
snprintf (dest, sizeof (dest), "%s:%s@%s/%s", username, password,
|
|
voipserver, number);
|
|
iaxc_call (dest);
|
|
iaxc_millisleep (DEFAULT_MILLISLEEP);
|
|
}
|
|
|
|
/* eof - fgcom.cpp */
|