[485] | 1 | /*
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[1883] | 2 | * $Id: ntripserver.c,v 1.48 2009/04/27 09:47:59 stoecker Exp $
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[485] | 3 | *
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| 4 | * Copyright (c) 2003...2007
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| 5 | * German Federal Agency for Cartography and Geodesy (BKG)
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| 6 | *
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| 7 | * Developed for Networked Transport of RTCM via Internet Protocol (NTRIP)
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| 8 | * for streaming GNSS data over the Internet.
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| 9 | *
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| 10 | * Designed by Informatik Centrum Dortmund http://www.icd.de
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| 11 | *
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| 12 | * The BKG disclaims any liability nor responsibility to any person or
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| 13 | * entity with respect to any loss or damage caused, or alleged to be
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| 14 | * caused, directly or indirectly by the use and application of the NTRIP
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| 15 | * technology.
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| 16 | *
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| 17 | * For latest information and updates, access:
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| 18 | * http://igs.bkg.bund.de/index_ntrip_down.htm
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| 19 | *
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| 20 | * BKG, Frankfurt, Germany, February 2007
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| 21 | * E-mail: euref-ip@bkg.bund.de
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| 22 | *
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| 23 | * This program is free software; you can redistribute it and/or
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| 24 | * modify it under the terms of the GNU General Public License
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| 25 | * as published by the Free Software Foundation; either version 2
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| 26 | * of the License, or (at your option) any later version.
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| 27 | *
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| 28 | * This program is distributed in the hope that it will be useful,
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| 29 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 30 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 31 | * GNU General Public License for more details.
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| 32 | *
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| 33 | * You should have received a copy of the GNU General Public License
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| 34 | * along with this program; if not, write to the Free Software
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| 35 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 36 | */
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| 37 |
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| 38 | /* CVS revision and version */
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[1883] | 39 | static char revisionstr[] = "$Revision: 1.48 $";
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| 40 | static char datestr[] = "$Date: 2009/04/27 09:47:59 $";
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[485] | 41 |
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| 42 | #include <ctype.h>
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| 43 | #include <errno.h>
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| 44 | #include <fcntl.h>
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| 45 | #include <getopt.h>
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| 46 | #include <stdio.h>
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| 47 | #include <stdlib.h>
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| 48 | #include <string.h>
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[653] | 49 | #include <sys/time.h>
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| 50 | #include <sys/types.h>
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| 51 | #include <time.h>
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| 52 | #include <signal.h>
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[485] | 53 | #include <unistd.h>
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| 54 |
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[653] | 55 | #ifdef WINDOWSVERSION
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| 56 | #include <winsock2.h>
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| 57 | #include <io.h>
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[1570] | 58 | #include <sys/stat.h>
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| 59 | #include <windows.h>
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[653] | 60 | typedef SOCKET sockettype;
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| 61 | typedef u_long in_addr_t;
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| 62 | typedef size_t socklen_t;
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| 63 | typedef u_short uint16_t;
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| 64 | #else
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| 65 | typedef int sockettype;
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| 66 | #include <arpa/inet.h>
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| 67 | #include <sys/socket.h>
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| 68 | #include <netinet/in.h>
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| 69 | #include <netdb.h>
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| 70 | #include <sys/termios.h>
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| 71 | #define closesocket(sock) close(sock)
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| 72 | #define INVALID_HANDLE_VALUE -1
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| 73 | #define INVALID_SOCKET -1
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| 74 | #endif
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| 75 |
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[485] | 76 | #ifndef COMPILEDATE
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| 77 | #define COMPILEDATE " built " __DATE__
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| 78 | #endif
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| 79 |
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[653] | 80 | #define ALARMTIME (2*60)
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| 81 |
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[485] | 82 | #ifndef MSG_DONTWAIT
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| 83 | #define MSG_DONTWAIT 0 /* prevent compiler errors */
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| 84 | #endif
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| 85 | #ifndef O_EXLOCK
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| 86 | #define O_EXLOCK 0 /* prevent compiler errors */
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| 87 | #endif
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| 88 |
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| 89 | enum MODE { SERIAL = 1, TCPSOCKET = 2, INFILE = 3, SISNET = 4, UDPSOCKET = 5,
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| 90 | CASTER = 6, LAST };
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| 91 |
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[1570] | 92 | enum OUTMODE { HTTP = 1, RTSP = 2, NTRIP1 = 3, UDP = 4, END };
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[485] | 93 |
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[493] | 94 | #define AGENTSTRING "NTRIP NtripServerPOSIX"
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[485] | 95 | #define BUFSZ 1024
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| 96 | #define SZ 64
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| 97 |
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| 98 | /* default socket source */
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| 99 | #define SERV_HOST_ADDR "localhost"
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| 100 | #define SERV_TCP_PORT 2101
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| 101 |
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| 102 | /* default destination */
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| 103 | #define NTRIP_CASTER "www.euref-ip.net"
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| 104 | #define NTRIP_PORT 2101
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| 105 |
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| 106 | #define SISNET_SERVER "131.176.49.142"
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| 107 | #define SISNET_PORT 7777
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| 108 |
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| 109 | #define RTP_VERSION 2
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| 110 | #define TIME_RESOLUTION 125
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| 111 |
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| 112 | static int ttybaud = 19200;
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| 113 | static const char *ttyport = "/dev/gps";
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| 114 | static const char *filepath = "/dev/stdin";
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| 115 | static enum MODE inputmode = INFILE;
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| 116 | static int sisnet = 31;
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[653] | 117 | static int gps_file = -1;
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| 118 | static sockettype gps_socket = INVALID_SOCKET;
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| 119 | static sockettype socket_tcp = INVALID_SOCKET;
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| 120 | static sockettype socket_udp = INVALID_SOCKET;
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| 121 | #ifndef WINDOWSVERSION
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| 122 | static int gps_serial = INVALID_HANDLE_VALUE;
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| 123 | static int sigpipe_received = 0;
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| 124 | #else
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| 125 | HANDLE gps_serial = INVALID_HANDLE_VALUE;
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| 126 | #endif
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| 127 | static int sigalarm_received = 0;
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[485] | 128 | static int sigint_received = 0;
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[487] | 129 | static int reconnect_sec = 1;
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[915] | 130 | static const char * casterouthost = NTRIP_CASTER;
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| 131 | static char rtsp_extension[SZ] = "";
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| 132 | static const char * mountpoint = NULL;
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| 133 | static int udp_cseq = 1;
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[1570] | 134 | static int udp_tim, udp_seq, udp_init;
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[485] | 135 |
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| 136 | /* Forward references */
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[653] | 137 | static void send_receive_loop(sockettype sock, int outmode,
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[1811] | 138 | struct sockaddr * pcasterRTP, socklen_t length, unsigned int rtpssrc);
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[485] | 139 | static void usage(int, char *);
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| 140 | static int encode(char *buf, int size, const char *user, const char *pwd);
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[653] | 141 | static int send_to_caster(char *input, sockettype socket, int input_size);
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[915] | 142 | static void close_session(const char *caster_addr, const char *mountpoint,
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| 143 | int session, char *rtsp_ext, int fallback);
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[487] | 144 | static int reconnect(int rec_sec, int rec_sec_max);
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[485] | 145 | static void handle_sigint(int sig);
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[653] | 146 | static void setup_signal_handler(int sig, void (*handler)(int));
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| 147 | #ifndef WINDOWSVERSION
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| 148 | static int openserial(const char * tty, int blocksz, int baud);
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| 149 | static void handle_sigpipe(int sig);
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[487] | 150 | static void handle_alarm(int sig);
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[653] | 151 | #else
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| 152 | static HANDLE openserial(const char * tty, int baud);
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[1570] | 153 | #endif
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[485] | 154 |
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[653] | 155 |
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[485] | 156 | /*
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| 157 | * main
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| 158 | *
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| 159 | * Main entry point for the program. Processes command-line arguments and
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| 160 | * prepares for action.
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| 161 | *
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| 162 | * Parameters:
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| 163 | * argc : integer : Number of command-line arguments.
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| 164 | * argv : array of char : Command-line arguments as an array of
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| 165 | * zero-terminated pointers to strings.
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| 166 | *
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| 167 | * Return Value:
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| 168 | * The function does not return a value (although its return type is int).
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| 169 | *
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| 170 | * Remarks:
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| 171 | *
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| 172 | */
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| 173 |
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| 174 | int main(int argc, char **argv)
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| 175 | {
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| 176 | int c;
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| 177 | int size = 2048; /* for setting send buffer size */
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| 178 | struct sockaddr_in caster;
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| 179 | const char * proxyhost = "";
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| 180 | unsigned int proxyport = 0;
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| 181 | /*** INPUT ***/
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| 182 | const char * casterinhost = 0;
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| 183 | unsigned int casterinport = 0;
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| 184 | const char * inhost = 0;
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| 185 | unsigned int inport = 0;
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| 186 |
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| 187 | char get_extension[SZ] = "";
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| 188 |
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| 189 | struct hostent * he;
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| 190 |
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| 191 | const char * sisnetpassword = "";
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| 192 | const char * sisnetuser = "";
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| 193 |
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| 194 | const char * stream_name = 0;
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| 195 | const char * stream_user = 0;
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| 196 | const char * stream_password = 0;
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| 197 |
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| 198 | const char * recvrid= 0;
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| 199 | const char * recvrpwd = 0;
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| 200 |
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| 201 | const char * initfile = NULL;
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| 202 |
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| 203 | int bindmode = 0;
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| 204 |
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| 205 | /*** OUTPUT ***/
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| 206 | unsigned int casteroutport = NTRIP_PORT;
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| 207 | const char * outhost = 0;
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| 208 | unsigned int outport = 0;
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| 209 | char post_extension[SZ] = "";
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| 210 |
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[933] | 211 | const char * ntrip_str = "";
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[485] | 212 |
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| 213 | const char * user = "";
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| 214 | const char * password = "";
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| 215 |
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[487] | 216 | int outputmode = NTRIP1;
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[485] | 217 |
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| 218 | struct sockaddr_in casterRTP;
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| 219 | struct sockaddr_in local;
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| 220 | int client_port = 0;
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| 221 | int server_port = 0;
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[1811] | 222 | unsigned int session = 0;
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[485] | 223 | socklen_t len = 0;
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| 224 | int i = 0;
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| 225 |
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| 226 | char szSendBuffer[BUFSZ];
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| 227 | char authorization[SZ];
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| 228 | int nBufferBytes = 0;
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| 229 | char * dlim = " \r\n=";
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| 230 | char * token;
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| 231 | char * tok_buf[BUFSZ];
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| 232 |
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[487] | 233 | int reconnect_sec_max = 0;
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| 234 |
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[485] | 235 | setbuf(stdout, 0);
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| 236 | setbuf(stdin, 0);
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| 237 | setbuf(stderr, 0);
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| 238 |
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| 239 | {
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| 240 | char *a;
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| 241 | int i = 0;
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| 242 | for(a = revisionstr+11; *a && *a != ' '; ++a)
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| 243 | revisionstr[i++] = *a;
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| 244 | revisionstr[i] = 0;
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| 245 | datestr[0] = datestr[7];
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| 246 | datestr[1] = datestr[8];
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| 247 | datestr[2] = datestr[9];
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| 248 | datestr[3] = datestr[10];
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| 249 | datestr[5] = datestr[12];
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| 250 | datestr[6] = datestr[13];
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| 251 | datestr[8] = datestr[15];
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| 252 | datestr[9] = datestr[16];
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| 253 | datestr[4] = datestr[7] = '-';
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| 254 | datestr[10] = 0;
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| 255 | }
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| 256 |
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[653] | 257 | /* setup signal handler for CTRL+C */
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| 258 | setup_signal_handler(SIGINT, handle_sigint);
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[1570] | 259 | #ifndef WINDOWSVERSION
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[653] | 260 | /* setup signal handler for boken pipe */
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| 261 | setup_signal_handler(SIGPIPE, handle_sigpipe);
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[485] | 262 | /* setup signal handler for timeout */
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[487] | 263 | setup_signal_handler(SIGALRM, handle_alarm);
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[485] | 264 | alarm(ALARMTIME);
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[653] | 265 | #else
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| 266 | /* winsock initialization */
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| 267 | WSADATA wsaData;
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| 268 | if (WSAStartup(MAKEWORD(1,1), &wsaData))
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| 269 | {
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| 270 | fprintf(stderr, "Could not init network access.\n");
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| 271 | return 20;
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| 272 | }
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| 273 | #endif
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[1570] | 274 |
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[485] | 275 | /* get and check program arguments */
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| 276 | if(argc <= 1)
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| 277 | {
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| 278 | usage(2, argv[0]);
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| 279 | exit(1);
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| 280 | }
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| 281 | while((c = getopt(argc, argv,
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[487] | 282 | "M:i:h:b:p:s:a:m:c:H:P:f:x:y:l:u:V:D:U:W:O:E:F:R:N:n:B")) != EOF)
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[485] | 283 | {
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| 284 | switch (c)
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| 285 | {
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| 286 | case 'M': /*** InputMode ***/
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| 287 | if(!strcmp(optarg, "serial")) inputmode = SERIAL;
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| 288 | else if(!strcmp(optarg, "tcpsocket")) inputmode = TCPSOCKET;
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| 289 | else if(!strcmp(optarg, "file")) inputmode = INFILE;
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| 290 | else if(!strcmp(optarg, "sisnet")) inputmode = SISNET;
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| 291 | else if(!strcmp(optarg, "udpsocket")) inputmode = UDPSOCKET;
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| 292 | else if(!strcmp(optarg, "caster")) inputmode = CASTER;
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| 293 | else inputmode = atoi(optarg);
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| 294 | if((inputmode == 0) || (inputmode >= LAST))
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| 295 | {
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| 296 | fprintf(stderr, "ERROR: can't convert <%s> to a valid InputMode\n",
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| 297 | optarg);
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| 298 | usage(-1, argv[0]);
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| 299 | }
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| 300 | break;
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| 301 | case 'i': /* serial input device */
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| 302 | ttyport = optarg;
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| 303 | break;
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| 304 | case 'B': /* bind to incoming UDP stream */
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| 305 | bindmode = 1;
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| 306 | break;
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| 307 | case 'V': /* Sisnet data server version number */
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| 308 | if(!strcmp("3.0", optarg)) sisnet = 30;
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| 309 | else if(!strcmp("3.1", optarg)) sisnet = 31;
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| 310 | else if(!strcmp("2.1", optarg)) sisnet = 21;
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| 311 | else
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| 312 | {
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| 313 | fprintf(stderr, "ERROR: unknown SISNeT version <%s>\n", optarg);
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| 314 | usage(-2, argv[0]);
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| 315 | }
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| 316 | break;
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| 317 | case 'b': /* serial input baud rate */
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| 318 | ttybaud = atoi(optarg);
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| 319 | if(ttybaud <= 1)
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| 320 | {
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| 321 | fprintf(stderr, "ERROR: can't convert <%s> to valid serial baud rate\n",
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| 322 | optarg);
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| 323 | usage(1, argv[0]);
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| 324 | }
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| 325 | break;
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| 326 | case 'a': /* Destination caster address */
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| 327 | casterouthost = optarg;
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| 328 | break;
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| 329 | case 'p': /* Destination caster port */
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| 330 | casteroutport = atoi(optarg);
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| 331 | if(casteroutport <= 1 || casteroutport > 65535)
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| 332 | {
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| 333 | fprintf(stderr,
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| 334 | "ERROR: can't convert <%s> to a valid HTTP server port\n", optarg);
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| 335 | usage(1, argv[0]);
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| 336 | }
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| 337 | break;
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| 338 | case 'm': /* Destination caster mountpoint for stream upload */
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| 339 | mountpoint = optarg;
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| 340 | break;
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| 341 | case 's': /* File name for input data simulation from file */
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| 342 | filepath = optarg;
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| 343 | break;
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| 344 | case 'f': /* name of an initialization file */
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| 345 | initfile = optarg;
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| 346 | break;
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| 347 | case 'x': /* user ID to access incoming stream */
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| 348 | recvrid = optarg;
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| 349 | break;
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| 350 | case 'y': /* password to access incoming stream */
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| 351 | recvrpwd = optarg;
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| 352 | break;
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| 353 | case 'u': /* Sisnet data server user ID */
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| 354 | sisnetuser = optarg;
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| 355 | break;
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| 356 | case 'l': /* Sisnet data server password */
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| 357 | sisnetpassword = optarg;
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| 358 | break;
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| 359 | case 'c': /* DestinationCaster password for stream upload to mountpoint */
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| 360 | password = optarg;
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| 361 | break;
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| 362 | case 'H': /* Input host address*/
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| 363 | casterinhost = optarg;
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| 364 | break;
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| 365 | case 'P': /* Input port */
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| 366 | casterinport = atoi(optarg);
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| 367 | if(casterinport <= 1 || casterinport > 65535)
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| 368 | {
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| 369 | fprintf(stderr, "ERROR: can't convert <%s> to a valid port number\n",
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| 370 | optarg);
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| 371 | usage(1, argv[0]);
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| 372 | }
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| 373 | break;
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| 374 | case 'D': /* Source caster mountpoint for stream input */
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| 375 | stream_name = optarg;
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| 376 | break;
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| 377 | case 'U': /* Source caster user ID for input stream access */
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| 378 | stream_user = optarg;
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| 379 | break;
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| 380 | case 'W': /* Source caster password for input stream access */
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| 381 | stream_password = optarg;
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| 382 | break;
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| 383 | case 'E': /* Proxy Server */
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| 384 | proxyhost = optarg;
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| 385 | break;
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| 386 | case 'F': /* Proxy port */
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| 387 | proxyport = atoi(optarg);
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| 388 | break;
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[487] | 389 | case 'R': /* maximum delay between reconnect attempts in seconds */
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| 390 | reconnect_sec_max = atoi(optarg);
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| 391 | break;
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[485] | 392 | case 'O': /* OutputMode */
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| 393 | outputmode = 0;
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| 394 | if (!strcmp(optarg,"n") || !strcmp(optarg,"ntrip1"))
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[487] | 395 | outputmode = NTRIP1;
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[485] | 396 | else if(!strcmp(optarg,"h") || !strcmp(optarg,"http"))
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| 397 | outputmode = HTTP;
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| 398 | else if(!strcmp(optarg,"r") || !strcmp(optarg,"rtsp"))
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| 399 | outputmode = RTSP;
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[1570] | 400 | else if(!strcmp(optarg,"u") || !strcmp(optarg,"udp"))
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| 401 | outputmode = UDP;
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[485] | 402 | else outputmode = atoi(optarg);
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| 403 | if((outputmode == 0) || (outputmode >= END))
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| 404 | {
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| 405 | fprintf(stderr, "ERROR: can't convert <%s> to a valid OutputMode\n",
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| 406 | optarg);
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| 407 | usage(-1, argv[0]);
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| 408 | }
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| 409 | break;
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| 410 | case 'n': /* Destination caster user ID for stream upload to mountpoint */
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| 411 | user = optarg;
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| 412 | break;
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| 413 | case 'N': /* Ntrip-STR, optional for Ntrip Version 2.0 */
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| 414 | ntrip_str = optarg;
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| 415 | break;
|
---|
| 416 | case 'h': /* print help screen */
|
---|
| 417 | case '?':
|
---|
| 418 | usage(0, argv[0]);
|
---|
| 419 | break;
|
---|
| 420 | default:
|
---|
| 421 | usage(2, argv[0]);
|
---|
| 422 | break;
|
---|
| 423 | }
|
---|
| 424 | }
|
---|
| 425 |
|
---|
| 426 | argc -= optind;
|
---|
| 427 | argv += optind;
|
---|
| 428 |
|
---|
| 429 | /*** argument analysis ***/
|
---|
| 430 | if(argc > 0)
|
---|
| 431 | {
|
---|
| 432 | fprintf(stderr, "ERROR: Extra args on command line: ");
|
---|
| 433 | for(; argc > 0; argc--)
|
---|
| 434 | {
|
---|
| 435 | fprintf(stderr, " %s", *argv++);
|
---|
| 436 | }
|
---|
| 437 | fprintf(stderr, "\n");
|
---|
| 438 | usage(1, argv[0]); /* never returns */
|
---|
| 439 | }
|
---|
| 440 |
|
---|
[487] | 441 | if((reconnect_sec_max > 0) && (reconnect_sec_max < 256))
|
---|
| 442 | {
|
---|
| 443 | fprintf(stderr,
|
---|
| 444 | "WARNING: maximum delay between reconnect attemts changed from %d to 256 seconds\n"
|
---|
| 445 | , reconnect_sec_max);
|
---|
| 446 | reconnect_sec_max = 256;
|
---|
| 447 | }
|
---|
| 448 |
|
---|
[485] | 449 | if(!mountpoint)
|
---|
| 450 | {
|
---|
| 451 | fprintf(stderr, "ERROR: Missing mountpoint argument for stream upload\n");
|
---|
| 452 | exit(1);
|
---|
| 453 | }
|
---|
| 454 |
|
---|
| 455 | if(!password[0])
|
---|
| 456 | {
|
---|
| 457 | fprintf(stderr, "WARNING: Missing password argument for stream upload - "
|
---|
| 458 | "are you really sure?\n");
|
---|
| 459 | }
|
---|
| 460 | else
|
---|
| 461 | {
|
---|
| 462 | nBufferBytes += encode(authorization, sizeof(authorization), user,
|
---|
| 463 | password);
|
---|
| 464 | if(nBufferBytes > (int)sizeof(authorization))
|
---|
| 465 | {
|
---|
| 466 | fprintf(stderr, "ERROR: user ID and/or password too long: %d (%d)\n"
|
---|
| 467 | " user ID: %s \npassword: <%s>\n",
|
---|
| 468 | nBufferBytes, (int)sizeof(authorization), user, password);
|
---|
| 469 | exit(1);
|
---|
| 470 | }
|
---|
| 471 | }
|
---|
| 472 |
|
---|
| 473 | if(stream_name && stream_user && !stream_password)
|
---|
| 474 | {
|
---|
| 475 | fprintf(stderr, "WARNING: Missing password argument for stream download"
|
---|
| 476 | " - are you really sure?\n");
|
---|
| 477 | }
|
---|
| 478 |
|
---|
| 479 | /*** proxy server handling ***/
|
---|
| 480 | if(*proxyhost)
|
---|
| 481 | {
|
---|
| 482 | outhost = inhost = proxyhost;
|
---|
| 483 | outport = inport = proxyport;
|
---|
| 484 | i = snprintf(szSendBuffer, sizeof(szSendBuffer),"http://%s:%d",
|
---|
| 485 | casterouthost, casteroutport);
|
---|
| 486 | if((i > SZ) || (i < 0))
|
---|
| 487 | {
|
---|
| 488 | fprintf(stderr, "ERROR: Destination caster name/port to long - "
|
---|
| 489 | "length = %d (max: %d)\n", i, SZ);
|
---|
| 490 | exit(0);
|
---|
| 491 | }
|
---|
| 492 | else
|
---|
| 493 | {
|
---|
| 494 | strncpy(post_extension, szSendBuffer, (size_t)i);
|
---|
| 495 | strcpy(szSendBuffer, "");
|
---|
| 496 | i = snprintf(szSendBuffer, sizeof(szSendBuffer),":%d", casteroutport);
|
---|
| 497 | strncpy(rtsp_extension, szSendBuffer, SZ);
|
---|
| 498 | strcpy(szSendBuffer,""); i = 0;
|
---|
| 499 | }
|
---|
| 500 | i = snprintf(szSendBuffer, sizeof(szSendBuffer),"http://%s:%d", casterinhost, casterinport);
|
---|
| 501 | if((i > SZ) || (i < 0))
|
---|
| 502 | {
|
---|
[487] | 503 | fprintf(stderr,"ERROR: Destination caster name/port to long - length = %d (max: %d)\n", i, SZ);
|
---|
[485] | 504 | exit(0);
|
---|
| 505 | }
|
---|
| 506 | else
|
---|
| 507 | {
|
---|
| 508 | strncpy(get_extension, szSendBuffer, (size_t)i);
|
---|
| 509 | strcpy(szSendBuffer, "");
|
---|
| 510 | i = 0;
|
---|
| 511 | }
|
---|
| 512 | }
|
---|
| 513 | else
|
---|
| 514 | {
|
---|
| 515 | outhost = casterouthost; outport = casteroutport;
|
---|
| 516 | inhost = casterinhost; inport = casterinport;
|
---|
| 517 | }
|
---|
| 518 |
|
---|
[487] | 519 | while(inputmode != LAST)
|
---|
[485] | 520 | {
|
---|
[487] | 521 | int input_init = 1;
|
---|
[653] | 522 | if(sigint_received) break;
|
---|
[487] | 523 | /*** InputMode handling ***/
|
---|
| 524 | switch(inputmode)
|
---|
[485] | 525 | {
|
---|
[487] | 526 | case INFILE:
|
---|
[485] | 527 | {
|
---|
[1570] | 528 | if((gps_file = open(filepath, O_RDONLY)) < 0)
|
---|
| 529 | {
|
---|
[487] | 530 | perror("ERROR: opening input file");
|
---|
| 531 | exit(1);
|
---|
[1570] | 532 | }
|
---|
[653] | 533 | #ifndef WINDOWSVERSION
|
---|
[1570] | 534 | /* set blocking inputmode in case it was not set
|
---|
[487] | 535 | (seems to be sometimes for fifo's) */
|
---|
[1570] | 536 | fcntl(gps_file, F_SETFL, 0);
|
---|
[653] | 537 | #endif
|
---|
[1570] | 538 | printf("file input: file = %s\n", filepath);
|
---|
[485] | 539 | }
|
---|
[487] | 540 | break;
|
---|
| 541 | case SERIAL: /* open serial port */
|
---|
[485] | 542 | {
|
---|
[653] | 543 | #ifndef WINDOWSVERSION
|
---|
[1570] | 544 | gps_serial = openserial(ttyport, 1, ttybaud);
|
---|
[653] | 545 | #else
|
---|
[1570] | 546 | gps_serial = openserial(ttyport, ttybaud);
|
---|
[653] | 547 | #endif
|
---|
[1570] | 548 | if(gps_serial == INVALID_HANDLE_VALUE) exit(1);
|
---|
| 549 | printf("serial input: device = %s, speed = %d\n", ttyport, ttybaud);
|
---|
[1113] | 550 |
|
---|
[1570] | 551 | if(initfile)
|
---|
| 552 | {
|
---|
[1113] | 553 | char buffer[1024];
|
---|
| 554 | FILE *fh;
|
---|
| 555 | int i;
|
---|
| 556 |
|
---|
| 557 | if((fh = fopen(initfile, "r")))
|
---|
| 558 | {
|
---|
| 559 | while((i = fread(buffer, 1, sizeof(buffer), fh)) > 0)
|
---|
| 560 | {
|
---|
| 561 | #ifndef WINDOWSVERSION
|
---|
| 562 | if((write(gps_serial, buffer, i)) != i)
|
---|
| 563 | {
|
---|
[1570] | 564 | perror("WARNING: sending init file");
|
---|
| 565 | input_init = 0;
|
---|
| 566 | break;
|
---|
[1113] | 567 | }
|
---|
| 568 | #else
|
---|
[1570] | 569 | DWORD nWrite = -1;
|
---|
[1113] | 570 | if(!WriteFile(gps_serial, buffer, sizeof(buffer), &nWrite, NULL))
|
---|
| 571 | {
|
---|
| 572 | fprintf(stderr,"ERROR: sending init file \n");
|
---|
[1570] | 573 | input_init = 0;
|
---|
[1113] | 574 | break;
|
---|
| 575 | }
|
---|
| 576 | i = (int)nWrite;
|
---|
| 577 | #endif
|
---|
| 578 | }
|
---|
| 579 | if(i < 0)
|
---|
| 580 | {
|
---|
| 581 | perror("ERROR: reading init file");
|
---|
| 582 | reconnect_sec_max = 0;
|
---|
| 583 | input_init = 0;
|
---|
| 584 | break;
|
---|
| 585 | }
|
---|
| 586 | fclose(fh);
|
---|
| 587 | }
|
---|
| 588 | else
|
---|
| 589 | {
|
---|
| 590 | fprintf(stderr, "ERROR: can't read init file <%s>\n", initfile);
|
---|
| 591 | reconnect_sec_max = 0;
|
---|
| 592 | input_init = 0;
|
---|
| 593 | break;
|
---|
| 594 | }
|
---|
[1570] | 595 | }
|
---|
[485] | 596 | }
|
---|
[487] | 597 | break;
|
---|
| 598 | case TCPSOCKET: case UDPSOCKET: case SISNET: case CASTER:
|
---|
[485] | 599 | {
|
---|
[1570] | 600 | if(inputmode == SISNET)
|
---|
| 601 | {
|
---|
[487] | 602 | if(!inhost) inhost = SISNET_SERVER;
|
---|
| 603 | if(!inport) inport = SISNET_PORT;
|
---|
[1570] | 604 | }
|
---|
| 605 | else if(inputmode == CASTER)
|
---|
| 606 | {
|
---|
[487] | 607 | if(!inport) inport = NTRIP_PORT;
|
---|
| 608 | if(!inhost) inhost = NTRIP_CASTER;
|
---|
[1570] | 609 | }
|
---|
| 610 | else if((inputmode == TCPSOCKET) || (inputmode == UDPSOCKET))
|
---|
| 611 | {
|
---|
[487] | 612 | if(!inport) inport = SERV_TCP_PORT;
|
---|
| 613 | if(!inhost) inhost = SERV_HOST_ADDR;
|
---|
[1570] | 614 | }
|
---|
[485] | 615 |
|
---|
[1570] | 616 | if(!(he = gethostbyname(inhost)))
|
---|
| 617 | {
|
---|
[487] | 618 | fprintf(stderr, "ERROR: Input host <%s> unknown\n", inhost);
|
---|
| 619 | usage(-2, argv[0]);
|
---|
[1570] | 620 | }
|
---|
[485] | 621 |
|
---|
[1570] | 622 | if((gps_socket = socket(AF_INET, inputmode == UDPSOCKET
|
---|
| 623 | ? SOCK_DGRAM : SOCK_STREAM, 0)) == INVALID_SOCKET)
|
---|
| 624 | {
|
---|
[487] | 625 | fprintf(stderr,
|
---|
| 626 | "ERROR: can't create socket for incoming data stream\n");
|
---|
| 627 | exit(1);
|
---|
[1570] | 628 | }
|
---|
[485] | 629 |
|
---|
[1570] | 630 | memset((char *) &caster, 0x00, sizeof(caster));
|
---|
| 631 | if(!bindmode)
|
---|
[487] | 632 | memcpy(&caster.sin_addr, he->h_addr, (size_t)he->h_length);
|
---|
[1570] | 633 | caster.sin_family = AF_INET;
|
---|
| 634 | caster.sin_port = htons(inport);
|
---|
[485] | 635 |
|
---|
[1570] | 636 | fprintf(stderr, "%s input: host = %s, port = %d, %s%s%s%s%s\n",
|
---|
| 637 | inputmode == CASTER ? "caster" : inputmode == SISNET ? "sisnet" :
|
---|
| 638 | inputmode == TCPSOCKET ? "tcp socket" : "udp socket",
|
---|
| 639 | bindmode ? "127.0.0.1" : inet_ntoa(caster.sin_addr),
|
---|
| 640 | inport, stream_name ? "stream = " : "", stream_name ? stream_name : "",
|
---|
| 641 | initfile ? ", initfile = " : "", initfile ? initfile : "",
|
---|
| 642 | bindmode ? "binding mode" : "");
|
---|
[485] | 643 |
|
---|
[1570] | 644 | if(bindmode)
|
---|
| 645 | {
|
---|
[653] | 646 | if(bind(gps_socket, (struct sockaddr *) &caster, sizeof(caster)) < 0)
|
---|
[487] | 647 | {
|
---|
| 648 | fprintf(stderr, "ERROR: can't bind input to port %d\n", inport);
|
---|
| 649 | reconnect_sec_max = 0;
|
---|
| 650 | input_init = 0;
|
---|
| 651 | break;
|
---|
| 652 | }
|
---|
[1570] | 653 | } /* connect to input-caster or proxy server*/
|
---|
| 654 | else if(connect(gps_socket, (struct sockaddr *)&caster, sizeof(caster)) < 0)
|
---|
| 655 | {
|
---|
[487] | 656 | fprintf(stderr, "WARNING: can't connect input to %s at port %d\n",
|
---|
| 657 | inet_ntoa(caster.sin_addr), inport);
|
---|
| 658 | input_init = 0;
|
---|
| 659 | break;
|
---|
[1570] | 660 | }
|
---|
[485] | 661 |
|
---|
[1570] | 662 | if(stream_name) /* input from Ntrip Version 1.0 caster*/
|
---|
| 663 | {
|
---|
[487] | 664 | int init = 0;
|
---|
[485] | 665 |
|
---|
[487] | 666 | /* set socket buffer size */
|
---|
[653] | 667 | setsockopt(gps_socket, SOL_SOCKET, SO_SNDBUF, (const char *) &size,
|
---|
[487] | 668 | sizeof(const char *));
|
---|
| 669 | if(stream_user && stream_password)
|
---|
[485] | 670 | {
|
---|
[487] | 671 | /* leave some space for login */
|
---|
| 672 | nBufferBytes=snprintf(szSendBuffer, sizeof(szSendBuffer)-40,
|
---|
| 673 | "GET %s/%s HTTP/1.0\r\n"
|
---|
| 674 | "User-Agent: %s/%s\r\n"
|
---|
[598] | 675 | "Connection: close\r\n"
|
---|
[487] | 676 | "Authorization: Basic ", get_extension, stream_name,
|
---|
| 677 | AGENTSTRING, revisionstr);
|
---|
| 678 | /* second check for old glibc */
|
---|
| 679 | if(nBufferBytes > (int)sizeof(szSendBuffer)-40 || nBufferBytes < 0)
|
---|
| 680 | {
|
---|
| 681 | fprintf(stderr, "ERROR: Source caster request too long\n");
|
---|
| 682 | input_init = 0;
|
---|
| 683 | reconnect_sec_max =0;
|
---|
| 684 | break;
|
---|
| 685 | }
|
---|
| 686 | nBufferBytes += encode(szSendBuffer+nBufferBytes,
|
---|
| 687 | sizeof(szSendBuffer)-nBufferBytes-4, stream_user, stream_password);
|
---|
| 688 | if(nBufferBytes > (int)sizeof(szSendBuffer)-4)
|
---|
| 689 | {
|
---|
| 690 | fprintf(stderr,
|
---|
| 691 | "ERROR: Source caster user ID and/or password too long\n");
|
---|
| 692 | input_init = 0;
|
---|
| 693 | reconnect_sec_max =0;
|
---|
| 694 | break;
|
---|
[1570] | 695 | }
|
---|
[487] | 696 | szSendBuffer[nBufferBytes++] = '\r';
|
---|
| 697 | szSendBuffer[nBufferBytes++] = '\n';
|
---|
| 698 | szSendBuffer[nBufferBytes++] = '\r';
|
---|
| 699 | szSendBuffer[nBufferBytes++] = '\n';
|
---|
[485] | 700 | }
|
---|
[487] | 701 | else
|
---|
[485] | 702 | {
|
---|
[487] | 703 | nBufferBytes = snprintf(szSendBuffer, sizeof(szSendBuffer),
|
---|
| 704 | "GET %s/%s HTTP/1.0\r\n"
|
---|
| 705 | "User-Agent: %s/%s\r\n"
|
---|
[598] | 706 | "Connection: close\r\n"
|
---|
[487] | 707 | "\r\n", get_extension, stream_name, AGENTSTRING, revisionstr);
|
---|
[485] | 708 | }
|
---|
[653] | 709 | if((send(gps_socket, szSendBuffer, (size_t)nBufferBytes, 0))
|
---|
[487] | 710 | != nBufferBytes)
|
---|
[485] | 711 | {
|
---|
[487] | 712 | fprintf(stderr, "WARNING: could not send Source caster request\n");
|
---|
| 713 | input_init = 0;
|
---|
| 714 | break;
|
---|
| 715 | }
|
---|
| 716 | nBufferBytes = 0;
|
---|
| 717 | /* check Source caster's response */
|
---|
| 718 | while(!init && nBufferBytes < (int)sizeof(szSendBuffer)
|
---|
[653] | 719 | && (nBufferBytes += recv(gps_socket, szSendBuffer,
|
---|
[487] | 720 | sizeof(szSendBuffer)-nBufferBytes, 0)) > 0)
|
---|
| 721 | {
|
---|
| 722 | if(strstr(szSendBuffer, "\r\n"))
|
---|
[1570] | 723 | {
|
---|
[768] | 724 | if(!strstr(szSendBuffer, "ICY 200 OK"))
|
---|
[485] | 725 | {
|
---|
[487] | 726 | int k;
|
---|
| 727 | fprintf(stderr,
|
---|
| 728 | "ERROR: could not get requested data from Source caster: ");
|
---|
| 729 | for(k = 0; k < nBufferBytes && szSendBuffer[k] != '\n'
|
---|
| 730 | && szSendBuffer[k] != '\r'; ++k)
|
---|
| 731 | {
|
---|
| 732 | fprintf(stderr, "%c", isprint(szSendBuffer[k])
|
---|
| 733 | ? szSendBuffer[k] : '.');
|
---|
[1570] | 734 | }
|
---|
[487] | 735 | fprintf(stderr, "\n");
|
---|
[768] | 736 | if(!strstr(szSendBuffer, "SOURCETABLE 200 OK"))
|
---|
[487] | 737 | {
|
---|
| 738 | reconnect_sec_max =0;
|
---|
| 739 | }
|
---|
| 740 | input_init = 0;
|
---|
| 741 | break;
|
---|
[485] | 742 | }
|
---|
[487] | 743 | else init = 1;
|
---|
[485] | 744 | }
|
---|
| 745 | }
|
---|
[1570] | 746 | } /* end input from Ntrip Version 1.0 caster */
|
---|
[485] | 747 |
|
---|
[1570] | 748 | if(initfile && inputmode != SISNET)
|
---|
| 749 | {
|
---|
[487] | 750 | char buffer[1024];
|
---|
| 751 | FILE *fh;
|
---|
| 752 | int i;
|
---|
[485] | 753 |
|
---|
[487] | 754 | if((fh = fopen(initfile, "r")))
|
---|
[485] | 755 | {
|
---|
[487] | 756 | while((i = fread(buffer, 1, sizeof(buffer), fh)) > 0)
|
---|
[485] | 757 | {
|
---|
[653] | 758 | if((send(gps_socket, buffer, (size_t)i, 0)) != i)
|
---|
[487] | 759 | {
|
---|
[1570] | 760 | perror("WARNING: sending init file");
|
---|
| 761 | input_init = 0;
|
---|
| 762 | break;
|
---|
[487] | 763 | }
|
---|
[485] | 764 | }
|
---|
[487] | 765 | if(i < 0)
|
---|
| 766 | {
|
---|
| 767 | perror("ERROR: reading init file");
|
---|
| 768 | reconnect_sec_max = 0;
|
---|
| 769 | input_init = 0;
|
---|
| 770 | break;
|
---|
| 771 | }
|
---|
| 772 | fclose(fh);
|
---|
[485] | 773 | }
|
---|
[487] | 774 | else
|
---|
[485] | 775 | {
|
---|
[487] | 776 | fprintf(stderr, "ERROR: can't read init file <%s>\n", initfile);
|
---|
| 777 | reconnect_sec_max = 0;
|
---|
| 778 | input_init = 0;
|
---|
| 779 | break;
|
---|
[485] | 780 | }
|
---|
[1570] | 781 | }
|
---|
[485] | 782 | }
|
---|
[487] | 783 | if(inputmode == SISNET)
|
---|
| 784 | {
|
---|
[1570] | 785 | int i, j;
|
---|
| 786 | char buffer[1024];
|
---|
[485] | 787 |
|
---|
[1570] | 788 | i = snprintf(buffer, sizeof(buffer), sisnet >= 30 ? "AUTH,%s,%s\r\n"
|
---|
[487] | 789 | : "AUTH,%s,%s", sisnetuser, sisnetpassword);
|
---|
[1570] | 790 | if((send(gps_socket, buffer, (size_t)i, 0)) != i)
|
---|
| 791 | {
|
---|
[487] | 792 | perror("WARNING: sending authentication for SISNeT data server");
|
---|
| 793 | input_init = 0;
|
---|
| 794 | break;
|
---|
[1570] | 795 | }
|
---|
| 796 | i = sisnet >= 30 ? 7 : 5;
|
---|
| 797 | if((j = recv(gps_socket, buffer, i, 0)) != i && strncmp("*AUTH", buffer, 5))
|
---|
| 798 | {
|
---|
[487] | 799 | fprintf(stderr, "WARNING: SISNeT connect failed:");
|
---|
| 800 | for(i = 0; i < j; ++i)
|
---|
| 801 | {
|
---|
| 802 | if(buffer[i] != '\r' && buffer[i] != '\n')
|
---|
| 803 | {
|
---|
| 804 | fprintf(stderr, "%c", isprint(buffer[i]) ? buffer[i] : '.');
|
---|
| 805 | }
|
---|
| 806 | }
|
---|
| 807 | fprintf(stderr, "\n");
|
---|
| 808 | input_init = 0;
|
---|
| 809 | break;
|
---|
[1570] | 810 | }
|
---|
| 811 | if(sisnet >= 31)
|
---|
| 812 | {
|
---|
[653] | 813 | if((send(gps_socket, "START\r\n", 7, 0)) != i)
|
---|
[487] | 814 | {
|
---|
| 815 | perror("WARNING: sending Sisnet start command");
|
---|
| 816 | input_init = 0;
|
---|
| 817 | break;
|
---|
| 818 | }
|
---|
[1570] | 819 | }
|
---|
[485] | 820 | }
|
---|
[487] | 821 | /*** receiver authentication ***/
|
---|
| 822 | if (recvrid && recvrpwd && ((inputmode == TCPSOCKET)
|
---|
| 823 | || (inputmode == UDPSOCKET)))
|
---|
[485] | 824 | {
|
---|
[1570] | 825 | if (strlen(recvrid) > (BUFSZ-3))
|
---|
| 826 | {
|
---|
[487] | 827 | fprintf(stderr, "ERROR: Receiver ID too long\n");
|
---|
| 828 | reconnect_sec_max = 0;
|
---|
| 829 | input_init = 0;
|
---|
| 830 | break;
|
---|
[1570] | 831 | }
|
---|
| 832 | else
|
---|
| 833 | {
|
---|
[487] | 834 | fprintf(stderr, "Sending user ID for receiver...\n");
|
---|
[653] | 835 | nBufferBytes = recv(gps_socket, szSendBuffer, BUFSZ, 0);
|
---|
[487] | 836 | strcpy(szSendBuffer, recvrid);
|
---|
| 837 | strcat(szSendBuffer,"\r\n");
|
---|
[653] | 838 | if(send(gps_socket,szSendBuffer, strlen(szSendBuffer), MSG_DONTWAIT) < 0)
|
---|
[485] | 839 | {
|
---|
[487] | 840 | perror("WARNING: sending user ID for receiver");
|
---|
| 841 | input_init = 0;
|
---|
| 842 | break;
|
---|
[485] | 843 | }
|
---|
[1570] | 844 | }
|
---|
[487] | 845 |
|
---|
[1570] | 846 | if (strlen(recvrpwd) > (BUFSZ-3))
|
---|
| 847 | {
|
---|
| 848 | fprintf(stderr, "ERROR: Receiver password too long\n");
|
---|
[487] | 849 | reconnect_sec_max = 0;
|
---|
| 850 | input_init = 0;
|
---|
| 851 | break;
|
---|
[1570] | 852 | }
|
---|
| 853 | else
|
---|
| 854 | {
|
---|
[487] | 855 | fprintf(stderr, "Sending user password for receiver...\n");
|
---|
[653] | 856 | nBufferBytes = recv(gps_socket, szSendBuffer, BUFSZ, 0);
|
---|
[487] | 857 | strcpy(szSendBuffer, recvrpwd);
|
---|
| 858 | strcat(szSendBuffer,"\r\n");
|
---|
[653] | 859 | if(send(gps_socket, szSendBuffer, strlen(szSendBuffer), MSG_DONTWAIT) < 0)
|
---|
[487] | 860 | {
|
---|
| 861 | perror("WARNING: sending user password for receiver");
|
---|
| 862 | input_init = 0;
|
---|
| 863 | break;
|
---|
| 864 | }
|
---|
[1570] | 865 | }
|
---|
[485] | 866 | }
|
---|
[487] | 867 | break;
|
---|
| 868 | default:
|
---|
| 869 | usage(-1, argv[0]);
|
---|
| 870 | break;
|
---|
[485] | 871 | }
|
---|
[1570] | 872 |
|
---|
[487] | 873 | /* ----- main part ----- */
|
---|
[925] | 874 | int output_init = 1, fallback = 0;
|
---|
[487] | 875 |
|
---|
| 876 | while((input_init) && (output_init))
|
---|
[485] | 877 | {
|
---|
[653] | 878 | #ifndef WINDOWSVERSION
|
---|
| 879 | if((sigalarm_received) || (sigint_received) || (sigpipe_received)) break;
|
---|
| 880 | #else
|
---|
| 881 | if((sigalarm_received) || (sigint_received)) break;
|
---|
| 882 | #endif
|
---|
[487] | 883 | if(!(he = gethostbyname(outhost)))
|
---|
[485] | 884 | {
|
---|
[1570] | 885 | fprintf(stderr, "ERROR: Destination caster or proxy host <%s> unknown\n",
|
---|
| 886 | outhost);
|
---|
[915] | 887 | close_session(casterouthost, mountpoint, session, rtsp_extension, 0);
|
---|
[1570] | 888 | usage(-2, argv[0]);
|
---|
[485] | 889 | }
|
---|
| 890 |
|
---|
[487] | 891 | /* create socket */
|
---|
[1570] | 892 | if((socket_tcp = socket(AF_INET, (outputmode == UDP ? SOCK_DGRAM
|
---|
| 893 | : SOCK_STREAM), 0)) == INVALID_SOCKET)
|
---|
[485] | 894 | {
|
---|
[1570] | 895 | perror("ERROR: tcp socket");
|
---|
[487] | 896 | reconnect_sec_max = 0;
|
---|
| 897 | break;
|
---|
[485] | 898 | }
|
---|
| 899 |
|
---|
[487] | 900 | memset((char *) &caster, 0x00, sizeof(caster));
|
---|
| 901 | memcpy(&caster.sin_addr, he->h_addr, (size_t)he->h_length);
|
---|
| 902 | caster.sin_family = AF_INET;
|
---|
| 903 | caster.sin_port = htons(outport);
|
---|
[485] | 904 |
|
---|
[487] | 905 | /* connect to Destination caster or Proxy server*/
|
---|
| 906 | fprintf(stderr, "caster output: host = %s, port = %d, mountpoint = %s"
|
---|
| 907 | ", mode = %s\n\n", inet_ntoa(caster.sin_addr), outport, mountpoint,
|
---|
[1570] | 908 | outputmode == NTRIP1 ? "ntrip1" : outputmode == HTTP ? "http" :
|
---|
| 909 | outputmode == UDP ? "udp" : "rtsp");
|
---|
[485] | 910 |
|
---|
[487] | 911 | if(connect(socket_tcp, (struct sockaddr *) &caster, sizeof(caster)) < 0)
|
---|
| 912 | {
|
---|
[1570] | 913 | fprintf(stderr, "WARNING: can't connect output to %s at port %d\n",
|
---|
[487] | 914 | inet_ntoa(caster.sin_addr), outport);
|
---|
| 915 | break;
|
---|
| 916 | }
|
---|
[485] | 917 |
|
---|
[487] | 918 | /*** OutputMode handling ***/
|
---|
| 919 | switch(outputmode)
|
---|
| 920 | {
|
---|
[1570] | 921 | case UDP:
|
---|
| 922 | {
|
---|
[1811] | 923 | unsigned int session;
|
---|
[1570] | 924 | char rtpbuf[1526];
|
---|
| 925 | int i=12, j;
|
---|
| 926 |
|
---|
| 927 | udp_init = time(0);
|
---|
| 928 | srand(udp_init);
|
---|
| 929 | session = rand();
|
---|
| 930 | udp_tim = rand();
|
---|
| 931 | udp_seq = rand();
|
---|
| 932 |
|
---|
| 933 | rtpbuf[0] = (2<<6);
|
---|
| 934 | /* padding, extension, csrc are empty */
|
---|
| 935 | rtpbuf[1] = 97;
|
---|
| 936 | /* marker is empty */
|
---|
| 937 | rtpbuf[2] = (udp_seq>>8)&0xFF;
|
---|
| 938 | rtpbuf[3] = (udp_seq)&0xFF;
|
---|
| 939 | rtpbuf[4] = (udp_tim>>24)&0xFF;
|
---|
| 940 | rtpbuf[5] = (udp_tim>>16)&0xFF;
|
---|
| 941 | rtpbuf[6] = (udp_tim>>8)&0xFF;
|
---|
| 942 | rtpbuf[7] = (udp_tim)&0xFF;
|
---|
| 943 | /* sequence and timestamp are empty */
|
---|
| 944 | rtpbuf[8] = (session>>24)&0xFF;
|
---|
| 945 | rtpbuf[9] = (session>>16)&0xFF;
|
---|
| 946 | rtpbuf[10] = (session>>8)&0xFF;
|
---|
| 947 | rtpbuf[11] = (session)&0xFF;
|
---|
| 948 | ++udp_seq;
|
---|
| 949 |
|
---|
| 950 | j = snprintf(rtpbuf+i, sizeof(rtpbuf)-i-40, /* leave some space for login */
|
---|
| 951 | "POST /%s HTTP/1.1\r\n"
|
---|
| 952 | "Host: %s\r\n"
|
---|
| 953 | "Ntrip-Version: Ntrip/2.0\r\n"
|
---|
| 954 | "User-Agent: %s/%s\r\n"
|
---|
| 955 | "Authorization: Basic %s%s%s\r\n"
|
---|
| 956 | "Connection: close\r\n"
|
---|
| 957 | "Transfer-Encoding: chunked\r\n\r\n",
|
---|
| 958 | mountpoint, casterouthost, AGENTSTRING,
|
---|
[1883] | 959 | revisionstr, authorization, ntrip_str ? (outputmode == NTRIP1 ? "\r\nSTR: " : "\r\nNtrip-STR: ") : "",
|
---|
[1570] | 960 | ntrip_str);
|
---|
| 961 | i += j;
|
---|
| 962 | if(i > (int)sizeof(rtpbuf)-40 || j < 0) /* second check for old glibc */
|
---|
| 963 | {
|
---|
| 964 | fprintf(stderr, "Requested data too long\n");
|
---|
| 965 | reconnect_sec_max = 0;
|
---|
| 966 | output_init = 0;
|
---|
| 967 | break;
|
---|
| 968 | }
|
---|
| 969 | else
|
---|
| 970 | {
|
---|
| 971 | rtpbuf[i++] = '\r';
|
---|
| 972 | rtpbuf[i++] = '\n';
|
---|
| 973 | rtpbuf[i++] = '\r';
|
---|
| 974 | rtpbuf[i++] = '\n';
|
---|
| 975 |
|
---|
| 976 | if(send(socket_tcp, rtpbuf, i, 0) != i)
|
---|
| 977 | {
|
---|
| 978 | perror("Could not send UDP packet");
|
---|
| 979 | reconnect_sec_max = 0;
|
---|
| 980 | output_init = 0;
|
---|
| 981 | break;
|
---|
| 982 | }
|
---|
| 983 | else
|
---|
| 984 | {
|
---|
| 985 | int stop = 0;
|
---|
| 986 | int numbytes;
|
---|
| 987 | if((numbytes=recv(socket_tcp, rtpbuf, sizeof(rtpbuf)-1, 0)) > 0)
|
---|
| 988 | {
|
---|
| 989 | /* we don't expect message longer than 1513, so we cut the last
|
---|
| 990 | byte for security reasons to prevent buffer overrun */
|
---|
| 991 | rtpbuf[numbytes] = 0;
|
---|
| 992 | if(numbytes > 17+12 &&
|
---|
| 993 | (!strncmp(rtpbuf+12, "HTTP/1.1 200 OK\r\n", 17) ||
|
---|
| 994 | !strncmp(rtpbuf+12, "HTTP/1.0 200 OK\r\n", 17)))
|
---|
| 995 | {
|
---|
| 996 | const char *sessioncheck = "session: ";
|
---|
| 997 | int l = strlen(sessioncheck)-1;
|
---|
| 998 | int j=0;
|
---|
| 999 | for(i = 12; j != l && i < numbytes-l; ++i)
|
---|
| 1000 | {
|
---|
| 1001 | for(j = 0; j < l && tolower(rtpbuf[i+j]) == sessioncheck[j]; ++j)
|
---|
| 1002 | ;
|
---|
| 1003 | }
|
---|
| 1004 | if(i != numbytes-l) /* found a session number */
|
---|
| 1005 | {
|
---|
| 1006 | i+=l;
|
---|
| 1007 | session = 0;
|
---|
| 1008 | while(i < numbytes && rtpbuf[i] >= '0' && rtpbuf[i] <= '9')
|
---|
| 1009 | session = session * 10 + rtpbuf[i++]-'0';
|
---|
| 1010 | if(rtpbuf[i] != '\r')
|
---|
| 1011 | {
|
---|
| 1012 | fprintf(stderr, "Could not extract session number\n");
|
---|
| 1013 | stop = 1;
|
---|
| 1014 | }
|
---|
| 1015 | }
|
---|
| 1016 | }
|
---|
| 1017 | else
|
---|
| 1018 | {
|
---|
| 1019 | int k;
|
---|
| 1020 | fprintf(stderr, "Could not access mountpoint: ");
|
---|
| 1021 | for(k = 12; k < numbytes && rtpbuf[k] != '\n' && rtpbuf[k] != '\r'; ++k)
|
---|
| 1022 | {
|
---|
| 1023 | fprintf(stderr, "%c", isprint(rtpbuf[k]) ? rtpbuf[k] : '.');
|
---|
| 1024 | }
|
---|
| 1025 | fprintf(stderr, "\n");
|
---|
| 1026 | stop = 1;
|
---|
| 1027 | }
|
---|
| 1028 | }
|
---|
| 1029 | if(!stop)
|
---|
| 1030 | {
|
---|
| 1031 | send_receive_loop(socket_tcp, outputmode, NULL, 0, session);
|
---|
| 1032 | input_init = output_init = 0;
|
---|
| 1033 | /* send connection close always to allow nice session closing */
|
---|
| 1034 | udp_tim += (time(0)-udp_init)*1000000/TIME_RESOLUTION;
|
---|
| 1035 | rtpbuf[0] = (2<<6);
|
---|
| 1036 | /* padding, extension, csrc are empty */
|
---|
| 1037 | rtpbuf[1] = 98;
|
---|
| 1038 | /* marker is empty */
|
---|
| 1039 | rtpbuf[2] = (udp_seq>>8)&0xFF;
|
---|
| 1040 | rtpbuf[3] = (udp_seq)&0xFF;
|
---|
| 1041 | rtpbuf[4] = (udp_tim>>24)&0xFF;
|
---|
| 1042 | rtpbuf[5] = (udp_tim>>16)&0xFF;
|
---|
| 1043 | rtpbuf[6] = (udp_tim>>8)&0xFF;
|
---|
| 1044 | rtpbuf[7] = (udp_tim)&0xFF;
|
---|
| 1045 | /* sequence and timestamp are empty */
|
---|
| 1046 | rtpbuf[8] = (session>>24)&0xFF;
|
---|
| 1047 | rtpbuf[9] = (session>>16)&0xFF;
|
---|
| 1048 | rtpbuf[10] = (session>>8)&0xFF;
|
---|
| 1049 | rtpbuf[11] = (session)&0xFF;
|
---|
| 1050 |
|
---|
| 1051 | send(socket_tcp, rtpbuf, 12, 0); /* cleanup */
|
---|
| 1052 | }
|
---|
| 1053 | else
|
---|
| 1054 | {
|
---|
| 1055 | reconnect_sec_max = 600;
|
---|
| 1056 | output_init = 0;
|
---|
| 1057 | }
|
---|
| 1058 | }
|
---|
| 1059 | }
|
---|
| 1060 | }
|
---|
| 1061 | break;
|
---|
| 1062 | case NTRIP1: /*** OutputMode Ntrip Version 1.0 ***/
|
---|
[925] | 1063 | fallback = 0;
|
---|
[487] | 1064 | nBufferBytes = snprintf(szSendBuffer, sizeof(szSendBuffer),
|
---|
| 1065 | "SOURCE %s %s/%s\r\n"
|
---|
| 1066 | "Source-Agent: %s/%s\r\n\r\n",
|
---|
| 1067 | password, post_extension, mountpoint, AGENTSTRING, revisionstr);
|
---|
| 1068 | if((nBufferBytes > (int)sizeof(szSendBuffer)) || (nBufferBytes < 0))
|
---|
[485] | 1069 | {
|
---|
[487] | 1070 | fprintf(stderr, "ERROR: Destination caster request to long\n");
|
---|
| 1071 | reconnect_sec_max = 0;
|
---|
| 1072 | output_init = 0;
|
---|
| 1073 | break;
|
---|
[485] | 1074 | }
|
---|
[487] | 1075 | if(!send_to_caster(szSendBuffer, socket_tcp, nBufferBytes))
|
---|
[485] | 1076 | {
|
---|
[487] | 1077 | output_init = 0;
|
---|
| 1078 | break;
|
---|
[485] | 1079 | }
|
---|
[487] | 1080 | /* check Destination caster's response */
|
---|
| 1081 | nBufferBytes = recv(socket_tcp, szSendBuffer, sizeof(szSendBuffer), 0);
|
---|
| 1082 | szSendBuffer[nBufferBytes] = '\0';
|
---|
| 1083 | if(!strstr(szSendBuffer, "OK"))
|
---|
[485] | 1084 | {
|
---|
[487] | 1085 | char *a;
|
---|
[485] | 1086 | fprintf(stderr,
|
---|
[487] | 1087 | "ERROR: Destination caster's or Proxy's reply is not OK: ");
|
---|
| 1088 | for(a = szSendBuffer; *a && *a != '\n' && *a != '\r'; ++a)
|
---|
| 1089 | {
|
---|
| 1090 | fprintf(stderr, "%.1s", isprint(*a) ? a : ".");
|
---|
| 1091 | }
|
---|
| 1092 | fprintf(stderr, "\n");
|
---|
| 1093 | if((strstr(szSendBuffer,"ERROR - Bad Password"))
|
---|
[1570] | 1094 | || (strstr(szSendBuffer,"400 Bad Request")))
|
---|
[487] | 1095 | reconnect_sec_max = 0;
|
---|
| 1096 | output_init = 0;
|
---|
[485] | 1097 | break;
|
---|
| 1098 | }
|
---|
| 1099 | #ifndef NDEBUG
|
---|
[487] | 1100 | else
|
---|
| 1101 | {
|
---|
| 1102 | fprintf(stderr, "Destination caster response:\n%s\n",
|
---|
| 1103 | szSendBuffer);
|
---|
| 1104 | }
|
---|
[485] | 1105 | #endif
|
---|
[765] | 1106 | send_receive_loop(socket_tcp, outputmode, NULL, 0, 0);
|
---|
[653] | 1107 | input_init = output_init = 0;
|
---|
[485] | 1108 | break;
|
---|
[1570] | 1109 | case HTTP: /*** Ntrip-Version 2.0 HTTP/1.1 ***/
|
---|
[487] | 1110 | nBufferBytes = snprintf(szSendBuffer, sizeof(szSendBuffer),
|
---|
| 1111 | "POST %s/%s HTTP/1.1\r\n"
|
---|
| 1112 | "Host: %s\r\n"
|
---|
| 1113 | "Ntrip-Version: Ntrip/2.0\r\n"
|
---|
| 1114 | "User-Agent: %s/%s\r\n"
|
---|
[915] | 1115 | "Authorization: Basic %s%s%s\r\n"
|
---|
[598] | 1116 | "Connection: close\r\n"
|
---|
[487] | 1117 | "Transfer-Encoding: chunked\r\n\r\n",
|
---|
| 1118 | post_extension, mountpoint, casterouthost, AGENTSTRING,
|
---|
[915] | 1119 | revisionstr, authorization, ntrip_str ? "\r\nNtrip-STR: " : "",
|
---|
| 1120 | ntrip_str);
|
---|
[487] | 1121 | if((nBufferBytes > (int)sizeof(szSendBuffer)) || (nBufferBytes < 0))
|
---|
| 1122 | {
|
---|
| 1123 | fprintf(stderr, "ERROR: Destination caster request to long\n");
|
---|
| 1124 | reconnect_sec_max = 0;
|
---|
| 1125 | output_init = 0;
|
---|
| 1126 | break;
|
---|
| 1127 | }
|
---|
| 1128 | if(!send_to_caster(szSendBuffer, socket_tcp, nBufferBytes))
|
---|
| 1129 | {
|
---|
| 1130 | output_init = 0;
|
---|
| 1131 | break;
|
---|
| 1132 | }
|
---|
[485] | 1133 | /* check Destination caster's response */
|
---|
[487] | 1134 | nBufferBytes = recv(socket_tcp, szSendBuffer, sizeof(szSendBuffer), 0);
|
---|
[485] | 1135 | szSendBuffer[nBufferBytes] = '\0';
|
---|
[487] | 1136 | if(!strstr(szSendBuffer, "HTTP/1.1 200 OK"))
|
---|
[485] | 1137 | {
|
---|
| 1138 | char *a;
|
---|
| 1139 | fprintf(stderr,
|
---|
| 1140 | "ERROR: Destination caster's%s reply is not OK: ",
|
---|
| 1141 | *proxyhost ? " or Proxy's" : "");
|
---|
| 1142 | for(a = szSendBuffer; *a && *a != '\n' && *a != '\r'; ++a)
|
---|
| 1143 | {
|
---|
[487] | 1144 | fprintf(stderr, "%.1s", isprint(*a) ? a : ".");
|
---|
[485] | 1145 | }
|
---|
| 1146 | fprintf(stderr, "\n");
|
---|
| 1147 | /* fallback if necessary */
|
---|
[487] | 1148 | if(!strstr(szSendBuffer,"Ntrip-Version: Ntrip/2.0\r\n"))
|
---|
[485] | 1149 | {
|
---|
[487] | 1150 | fprintf(stderr,
|
---|
| 1151 | " Ntrip Version 2.0 not implemented at Destination caster"
|
---|
| 1152 | " <%s>%s%s%s\n%s\n"
|
---|
| 1153 | "ntripserver falls back to Ntrip Version 1.0\n\n",
|
---|
| 1154 | casterouthost,
|
---|
| 1155 | *proxyhost ? " or Proxy <" : "", proxyhost, *proxyhost ? ">" : "",
|
---|
| 1156 | *proxyhost ? " or HTTP/1.1 not implemented at Proxy\n" : "");
|
---|
[915] | 1157 | close_session(casterouthost, mountpoint, session, rtsp_extension, 1);
|
---|
[487] | 1158 | outputmode = NTRIP1;
|
---|
| 1159 | break;
|
---|
[485] | 1160 | }
|
---|
[487] | 1161 | else if((strstr(szSendBuffer,"HTTP/1.1 401 Unauthorized"))
|
---|
| 1162 | || (strstr(szSendBuffer,"501 Not Implemented")))
|
---|
[485] | 1163 | {
|
---|
[487] | 1164 | reconnect_sec_max = 0;
|
---|
[485] | 1165 | }
|
---|
[487] | 1166 | output_init = 0;
|
---|
| 1167 | break;
|
---|
[485] | 1168 | }
|
---|
| 1169 | #ifndef NDEBUG
|
---|
| 1170 | else
|
---|
| 1171 | {
|
---|
| 1172 | fprintf(stderr, "Destination caster response:\n%s\n",szSendBuffer);
|
---|
| 1173 | }
|
---|
| 1174 | #endif
|
---|
[765] | 1175 | send_receive_loop(socket_tcp, outputmode, NULL, 0, 0);
|
---|
[653] | 1176 | input_init = output_init = 0;
|
---|
[487] | 1177 | break;
|
---|
[1570] | 1178 | case RTSP: /*** Ntrip-Version 2.0 RTSP / RTP ***/
|
---|
[653] | 1179 | if((socket_udp = socket(AF_INET, SOCK_DGRAM,0)) == INVALID_SOCKET)
|
---|
[485] | 1180 | {
|
---|
[487] | 1181 | perror("ERROR: udp socket");
|
---|
| 1182 | exit(4);
|
---|
| 1183 | }
|
---|
| 1184 | /* fill structure with local address information for UDP */
|
---|
| 1185 | memset(&local, 0, sizeof(local));
|
---|
| 1186 | local.sin_family = AF_INET;
|
---|
| 1187 | local.sin_port = htons(0);
|
---|
| 1188 | local.sin_addr.s_addr = htonl(INADDR_ANY);
|
---|
| 1189 | len = (socklen_t)sizeof(local);
|
---|
| 1190 | /* bind() in order to get a random RTP client_port */
|
---|
| 1191 | if((bind(socket_udp,(struct sockaddr *)&local, len)) < 0)
|
---|
| 1192 | {
|
---|
| 1193 | perror("ERROR: udp bind");
|
---|
| 1194 | reconnect_sec_max = 0;
|
---|
| 1195 | output_init = 0;
|
---|
| 1196 | break;
|
---|
| 1197 | }
|
---|
| 1198 | if((getsockname(socket_udp, (struct sockaddr*)&local, &len)) != -1)
|
---|
| 1199 | {
|
---|
| 1200 | client_port = (unsigned int)ntohs(local.sin_port);
|
---|
| 1201 | }
|
---|
| 1202 | else
|
---|
| 1203 | {
|
---|
| 1204 | perror("ERROR: getsockname(localhost)");
|
---|
| 1205 | reconnect_sec_max = 0;
|
---|
| 1206 | output_init = 0;
|
---|
| 1207 | break;
|
---|
| 1208 | }
|
---|
| 1209 | nBufferBytes = snprintf(szSendBuffer, sizeof(szSendBuffer),
|
---|
| 1210 | "SETUP rtsp://%s%s/%s RTSP/1.0\r\n"
|
---|
[915] | 1211 | "CSeq: %d\r\n"
|
---|
[487] | 1212 | "Ntrip-Version: Ntrip/2.0\r\n"
|
---|
| 1213 | "Ntrip-Component: Ntripserver\r\n"
|
---|
| 1214 | "User-Agent: %s/%s\r\n"
|
---|
| 1215 | "Transport: RTP/GNSS;unicast;client_port=%u\r\n"
|
---|
[915] | 1216 | "Authorization: Basic %s%s%s\r\n\r\n",
|
---|
| 1217 | casterouthost, rtsp_extension, mountpoint, udp_cseq++, AGENTSTRING,
|
---|
| 1218 | revisionstr, client_port, authorization, ntrip_str
|
---|
| 1219 | ? "\r\nNtrip-STR: " : "", ntrip_str);
|
---|
[487] | 1220 | if((nBufferBytes > (int)sizeof(szSendBuffer)) || (nBufferBytes < 0))
|
---|
| 1221 | {
|
---|
| 1222 | fprintf(stderr, "ERROR: Destination caster request to long\n");
|
---|
| 1223 | reconnect_sec_max = 0;
|
---|
| 1224 | output_init = 0;
|
---|
| 1225 | break;
|
---|
| 1226 | }
|
---|
| 1227 | if(!send_to_caster(szSendBuffer, socket_tcp, nBufferBytes))
|
---|
| 1228 | {
|
---|
| 1229 | output_init = 0;
|
---|
| 1230 | break;
|
---|
| 1231 | }
|
---|
| 1232 | while((nBufferBytes = recv(socket_tcp, szSendBuffer,
|
---|
| 1233 | sizeof(szSendBuffer), 0)) > 0)
|
---|
| 1234 | {
|
---|
| 1235 | /* check Destination caster's response */
|
---|
| 1236 | szSendBuffer[nBufferBytes] = '\0';
|
---|
| 1237 | if(!strstr(szSendBuffer, "RTSP/1.0 200 OK"))
|
---|
[485] | 1238 | {
|
---|
[487] | 1239 | char *a;
|
---|
| 1240 | fprintf(stderr,
|
---|
| 1241 | "ERROR: Destination caster's%s reply is not OK: ",
|
---|
| 1242 | *proxyhost ? " or Proxy's" : "");
|
---|
| 1243 | for(a = szSendBuffer; *a && *a != '\n' && *a != '\r'; ++a)
|
---|
| 1244 | {
|
---|
[1570] | 1245 | fprintf(stderr, "%c", isprint(*a) ? *a : '.');
|
---|
[487] | 1246 | }
|
---|
| 1247 | fprintf(stderr, "\n");
|
---|
| 1248 | /* fallback if necessary */
|
---|
| 1249 | if(strncmp(szSendBuffer, "RTSP",4) != 0)
|
---|
| 1250 | {
|
---|
[1570] | 1251 | if(strstr(szSendBuffer,"Ntrip-Version: Ntrip/2.0\r\n"))
|
---|
| 1252 | {
|
---|
[487] | 1253 | fprintf(stderr,
|
---|
| 1254 | " RTSP not implemented at Destination caster <%s>%s%s%s\n\n"
|
---|
| 1255 | "ntripserver falls back to Ntrip Version 2.0 in TCP/IP"
|
---|
| 1256 | " mode\n\n", casterouthost,
|
---|
| 1257 | *proxyhost ? " or Proxy <" :"", proxyhost, *proxyhost ? ">":"");
|
---|
[915] | 1258 | close_session(casterouthost, mountpoint, session, rtsp_extension, 1);
|
---|
[487] | 1259 | outputmode = HTTP;
|
---|
[925] | 1260 | fallback = 1;
|
---|
[487] | 1261 | break;
|
---|
[1570] | 1262 | }
|
---|
| 1263 | else
|
---|
| 1264 | {
|
---|
[487] | 1265 | fprintf(stderr,
|
---|
| 1266 | " Ntrip-Version 2.0 not implemented at Destination caster"
|
---|
| 1267 | "<%s>%s%s%s\n%s"
|
---|
| 1268 | " or RTSP/1.0 not implemented at Destination caster%s\n\n"
|
---|
| 1269 | "ntripserver falls back to Ntrip Version 1.0\n\n",
|
---|
| 1270 | casterouthost, *proxyhost ? " or Proxy <" :"", proxyhost,
|
---|
| 1271 | *proxyhost ? ">":"",
|
---|
| 1272 | *proxyhost ? " or HTTP/1.1 not implemented at Proxy\n" : "",
|
---|
| 1273 | *proxyhost ? " or Proxy" :"");
|
---|
[915] | 1274 | close_session(casterouthost, mountpoint, session, rtsp_extension, 1);
|
---|
[487] | 1275 | outputmode = NTRIP1;
|
---|
[925] | 1276 | fallback = 1;
|
---|
[487] | 1277 | break;
|
---|
[1570] | 1278 | }
|
---|
[487] | 1279 | }
|
---|
| 1280 | else if((strstr(szSendBuffer, "RTSP/1.0 401 Unauthorized"))
|
---|
| 1281 | || (strstr(szSendBuffer, "RTSP/1.0 501 Not Implemented")))
|
---|
| 1282 | {
|
---|
| 1283 | reconnect_sec_max = 0;
|
---|
| 1284 | }
|
---|
| 1285 | output_init = 0;
|
---|
| 1286 | break;
|
---|
[485] | 1287 | }
|
---|
[487] | 1288 | #ifndef NDEBUG
|
---|
| 1289 | else
|
---|
[485] | 1290 | {
|
---|
[487] | 1291 | fprintf(stderr, "Destination caster response:\n%s\n",szSendBuffer);
|
---|
[485] | 1292 | }
|
---|
[487] | 1293 | #endif
|
---|
| 1294 | if((strstr(szSendBuffer,"RTSP/1.0 200 OK\r\n"))
|
---|
| 1295 | && (strstr(szSendBuffer,"CSeq: 1\r\n")))
|
---|
[485] | 1296 | {
|
---|
[487] | 1297 | for(token = strtok(szSendBuffer, dlim); token != NULL;
|
---|
| 1298 | token = strtok(NULL, dlim))
|
---|
| 1299 | {
|
---|
[1570] | 1300 | tok_buf[i] = token; i++;
|
---|
[487] | 1301 | }
|
---|
| 1302 | session = atoi(tok_buf[6]);
|
---|
| 1303 | server_port = atoi(tok_buf[10]);
|
---|
| 1304 | nBufferBytes = snprintf(szSendBuffer, sizeof(szSendBuffer),
|
---|
[1570] | 1305 | "RECORD rtsp://%s%s/%s RTSP/1.0\r\n"
|
---|
| 1306 | "CSeq: %d\r\n"
|
---|
[1811] | 1307 | "Session: %u\r\n"
|
---|
[1570] | 1308 | "\r\n",
|
---|
| 1309 | casterouthost, rtsp_extension, mountpoint, udp_cseq++,
|
---|
| 1310 | session);
|
---|
[487] | 1311 | if((nBufferBytes >= (int)sizeof(szSendBuffer))
|
---|
| 1312 | || (nBufferBytes < 0))
|
---|
| 1313 | {
|
---|
[1570] | 1314 | fprintf(stderr, "ERROR: Destination caster request to long\n");
|
---|
[487] | 1315 | reconnect_sec_max = 0;
|
---|
| 1316 | output_init = 0;
|
---|
[1570] | 1317 | break;
|
---|
[487] | 1318 | }
|
---|
| 1319 | if(!send_to_caster(szSendBuffer, socket_tcp, nBufferBytes))
|
---|
| 1320 | {
|
---|
[653] | 1321 | output_init = 0;
|
---|
[1570] | 1322 | break;
|
---|
[487] | 1323 | }
|
---|
[485] | 1324 | }
|
---|
[487] | 1325 | else if((strstr(szSendBuffer,"RTSP/1.0 200 OK\r\n")) && (strstr(szSendBuffer,
|
---|
[1570] | 1326 | "CSeq: 2\r\n")))
|
---|
[487] | 1327 | {
|
---|
| 1328 | /* fill structure with caster address information for UDP */
|
---|
| 1329 | memset(&casterRTP, 0, sizeof(casterRTP));
|
---|
| 1330 | casterRTP.sin_family = AF_INET;
|
---|
| 1331 | casterRTP.sin_port = htons(((uint16_t)server_port));
|
---|
[1570] | 1332 | if((he = gethostbyname(outhost))== NULL)
|
---|
[487] | 1333 | {
|
---|
[1570] | 1334 | fprintf(stderr, "ERROR: Destination caster unknown\n");
|
---|
[487] | 1335 | reconnect_sec_max = 0;
|
---|
| 1336 | output_init = 0;
|
---|
| 1337 | break;
|
---|
| 1338 | }
|
---|
| 1339 | else
|
---|
| 1340 | {
|
---|
[1570] | 1341 | memcpy((char *)&casterRTP.sin_addr.s_addr,
|
---|
| 1342 | he->h_addr_list[0], (size_t)he->h_length);
|
---|
[487] | 1343 | }
|
---|
| 1344 | len = (socklen_t)sizeof(casterRTP);
|
---|
[1570] | 1345 | send_receive_loop(socket_udp, outputmode, (struct sockaddr *)&casterRTP,
|
---|
[765] | 1346 | (socklen_t)len, session);
|
---|
[487] | 1347 | break;
|
---|
[485] | 1348 | }
|
---|
[487] | 1349 | else{break;}
|
---|
| 1350 | }
|
---|
[653] | 1351 | input_init = output_init = 0;
|
---|
[487] | 1352 | break;
|
---|
[765] | 1353 | }
|
---|
[485] | 1354 | }
|
---|
[915] | 1355 | close_session(casterouthost, mountpoint, session, rtsp_extension, 0);
|
---|
[925] | 1356 | if( (reconnect_sec_max || fallback) && !sigint_received )
|
---|
[653] | 1357 | reconnect_sec = reconnect(reconnect_sec, reconnect_sec_max);
|
---|
[487] | 1358 | else inputmode = LAST;
|
---|
[485] | 1359 | }
|
---|
| 1360 | return 0;
|
---|
| 1361 | }
|
---|
| 1362 |
|
---|
[653] | 1363 | static void send_receive_loop(sockettype sock, int outmode, struct sockaddr* pcasterRTP,
|
---|
[1811] | 1364 | socklen_t length, unsigned int rtpssrc)
|
---|
[485] | 1365 | {
|
---|
[653] | 1366 | int nodata = 0;
|
---|
| 1367 | char buffer[BUFSZ] = { 0 };
|
---|
| 1368 | char sisnetbackbuffer[200];
|
---|
| 1369 | char szSendBuffer[BUFSZ] = "";
|
---|
| 1370 | int nBufferBytes = 0;
|
---|
[485] | 1371 |
|
---|
| 1372 | /* RTSP / RTP Mode */
|
---|
[653] | 1373 | int isfirstpacket = 1;
|
---|
| 1374 | struct timeval now;
|
---|
| 1375 | struct timeval last = {0,0};
|
---|
[485] | 1376 | long int sendtimediff;
|
---|
[653] | 1377 | int rtpseq = 0;
|
---|
| 1378 | int rtptime = 0;
|
---|
[915] | 1379 | time_t laststate = time(0);
|
---|
[485] | 1380 |
|
---|
[1570] | 1381 | if(outmode == UDP)
|
---|
[915] | 1382 | {
|
---|
[1570] | 1383 | rtptime = time(0);
|
---|
[915] | 1384 | #ifdef WINDOWSVERSION
|
---|
| 1385 | u_long blockmode = 1;
|
---|
| 1386 | if(ioctlsocket(socket_tcp, FIONBIO, &blockmode))
|
---|
| 1387 | #else /* WINDOWSVERSION */
|
---|
| 1388 | if(fcntl(socket_tcp, F_SETFL, O_NONBLOCK) < 0)
|
---|
| 1389 | #endif /* WINDOWSVERSION */
|
---|
| 1390 | {
|
---|
| 1391 | fprintf(stderr, "Could not set nonblocking mode\n");
|
---|
| 1392 | return;
|
---|
| 1393 | }
|
---|
| 1394 | }
|
---|
[1570] | 1395 | else if(outmode == RTSP)
|
---|
| 1396 | {
|
---|
| 1397 | #ifdef WINDOWSVERSION
|
---|
| 1398 | u_long blockmode = 1;
|
---|
| 1399 | if(ioctlsocket(socket_tcp, FIONBIO, &blockmode))
|
---|
| 1400 | #else /* WINDOWSVERSION */
|
---|
| 1401 | if(fcntl(socket_tcp, F_SETFL, O_NONBLOCK) < 0)
|
---|
| 1402 | #endif /* WINDOWSVERSION */
|
---|
| 1403 | {
|
---|
| 1404 | fprintf(stderr, "Could not set nonblocking mode\n");
|
---|
| 1405 | return;
|
---|
| 1406 | }
|
---|
| 1407 | }
|
---|
[915] | 1408 |
|
---|
[485] | 1409 | /* data transmission */
|
---|
| 1410 | fprintf(stderr,"transfering data ...\n");
|
---|
[653] | 1411 | int send_recv_success = 0;
|
---|
[1570] | 1412 | #ifdef WINDOWSVERSION
|
---|
| 1413 | time_t nodata_begin = 0, nodata_current = 0;
|
---|
[653] | 1414 | #endif
|
---|
[485] | 1415 | while(1)
|
---|
| 1416 | {
|
---|
[1570] | 1417 | if(send_recv_success < 3) send_recv_success++;
|
---|
[653] | 1418 | if(!nodata)
|
---|
[1570] | 1419 | {
|
---|
[653] | 1420 | #ifndef WINDOWSVERSION
|
---|
| 1421 | alarm(ALARMTIME);
|
---|
| 1422 | #else
|
---|
| 1423 | time(&nodata_begin);
|
---|
| 1424 | #endif
|
---|
| 1425 | }
|
---|
[1570] | 1426 | else
|
---|
[653] | 1427 | {
|
---|
[1570] | 1428 | nodata = 0;
|
---|
| 1429 | #ifdef WINDOWSVERSION
|
---|
[653] | 1430 | time(&nodata_current);
|
---|
[1570] | 1431 | if(difftime(nodata_current, nodata_begin) >= ALARMTIME)
|
---|
[653] | 1432 | {
|
---|
| 1433 | sigalarm_received = 1;
|
---|
| 1434 | fprintf(stderr, "ERROR: more than %d seconds no activity\n", ALARMTIME);
|
---|
| 1435 | }
|
---|
| 1436 | #endif
|
---|
| 1437 | }
|
---|
[487] | 1438 | /* signal handling*/
|
---|
[653] | 1439 | #ifdef WINDOWSVERSION
|
---|
| 1440 | if((sigalarm_received) || (sigint_received)) break;
|
---|
| 1441 | #else
|
---|
| 1442 | if((sigalarm_received) || (sigint_received) || (sigpipe_received)) break;
|
---|
| 1443 | #endif
|
---|
[485] | 1444 | if(!nBufferBytes)
|
---|
| 1445 | {
|
---|
| 1446 | if(inputmode == SISNET && sisnet <= 30)
|
---|
| 1447 | {
|
---|
| 1448 | int i;
|
---|
| 1449 | /* a somewhat higher rate than 1 second to get really each block */
|
---|
| 1450 | /* means we need to skip double blocks sometimes */
|
---|
| 1451 | struct timeval tv = {0,700000};
|
---|
| 1452 | select(0, 0, 0, 0, &tv);
|
---|
| 1453 | memcpy(sisnetbackbuffer, buffer, sizeof(sisnetbackbuffer));
|
---|
| 1454 | i = (sisnet >= 30 ? 5 : 3);
|
---|
[653] | 1455 | if((send(gps_socket, "MSG\r\n", i, 0)) != i)
|
---|
[485] | 1456 | {
|
---|
[487] | 1457 | perror("WARNING: sending SISNeT data request failed");
|
---|
| 1458 | return;
|
---|
[485] | 1459 | }
|
---|
| 1460 | }
|
---|
| 1461 | /*** receiving data ****/
|
---|
[653] | 1462 | if(inputmode == INFILE)
|
---|
| 1463 | nBufferBytes = read(gps_file, buffer, sizeof(buffer));
|
---|
| 1464 | else if(inputmode == SERIAL)
|
---|
| 1465 | {
|
---|
[1570] | 1466 | #ifndef WINDOWSVERSION
|
---|
[653] | 1467 | nBufferBytes = read(gps_serial, buffer, sizeof(buffer));
|
---|
| 1468 | #else
|
---|
[1570] | 1469 | DWORD nRead = 0;
|
---|
[653] | 1470 | if(!ReadFile(gps_serial, buffer, sizeof(buffer), &nRead, NULL))
|
---|
| 1471 | {
|
---|
| 1472 | fprintf(stderr,"ERROR: reading serial input failed\n");
|
---|
| 1473 | return;
|
---|
| 1474 | }
|
---|
| 1475 | nBufferBytes = (int)nRead;
|
---|
| 1476 | #endif
|
---|
| 1477 | }
|
---|
[768] | 1478 | else
|
---|
| 1479 | #ifdef WINDOWSVERSION
|
---|
[653] | 1480 | nBufferBytes = recv(gps_socket, buffer, sizeof(buffer), 0);
|
---|
[768] | 1481 | #else
|
---|
| 1482 | nBufferBytes = read(gps_socket, buffer, sizeof(buffer));
|
---|
| 1483 | #endif
|
---|
[485] | 1484 | if(!nBufferBytes)
|
---|
| 1485 | {
|
---|
[653] | 1486 | fprintf(stderr, "WARNING: no data received from input\n");
|
---|
| 1487 | nodata = 1;
|
---|
| 1488 | #ifndef WINDOWSVERSION
|
---|
[485] | 1489 | sleep(3);
|
---|
[653] | 1490 | #else
|
---|
| 1491 | Sleep(3*1000);
|
---|
| 1492 | #endif
|
---|
[485] | 1493 | continue;
|
---|
| 1494 | }
|
---|
[487] | 1495 | else if((nBufferBytes < 0) && (!sigint_received))
|
---|
[485] | 1496 | {
|
---|
[487] | 1497 | perror("WARNING: reading input failed");
|
---|
| 1498 | return;
|
---|
[485] | 1499 | }
|
---|
| 1500 | /* we can compare the whole buffer, as the additional bytes
|
---|
| 1501 | remain unchanged */
|
---|
| 1502 | if(inputmode == SISNET && sisnet <= 30 &&
|
---|
| 1503 | !memcmp(sisnetbackbuffer, buffer, sizeof(sisnetbackbuffer)))
|
---|
| 1504 | {
|
---|
| 1505 | nBufferBytes = 0;
|
---|
| 1506 | }
|
---|
| 1507 | }
|
---|
[1570] | 1508 | if(nBufferBytes < 0)
|
---|
| 1509 | return;
|
---|
[485] | 1510 | /** send data ***/
|
---|
[487] | 1511 | if((nBufferBytes) && (outmode == NTRIP1)) /*** Ntrip-Version 1.0 ***/
|
---|
[485] | 1512 | {
|
---|
| 1513 | int i;
|
---|
| 1514 | if((i = send(sock, buffer, (size_t)nBufferBytes, MSG_DONTWAIT))
|
---|
| 1515 | != nBufferBytes)
|
---|
| 1516 | {
|
---|
| 1517 | if(i < 0)
|
---|
| 1518 | {
|
---|
| 1519 | if(errno != EAGAIN)
|
---|
| 1520 | {
|
---|
[487] | 1521 | perror("WARNING: could not send data to Destination caster");
|
---|
[485] | 1522 | return;
|
---|
| 1523 | }
|
---|
| 1524 | }
|
---|
| 1525 | else if(i)
|
---|
| 1526 | {
|
---|
| 1527 | memmove(buffer, buffer+i, (size_t)(nBufferBytes-i));
|
---|
| 1528 | nBufferBytes -= i;
|
---|
| 1529 | }
|
---|
| 1530 | }else
|
---|
| 1531 | {
|
---|
| 1532 | nBufferBytes = 0;
|
---|
| 1533 | }
|
---|
| 1534 | }
|
---|
[1570] | 1535 | else if((nBufferBytes) && (outmode == UDP))
|
---|
| 1536 | {
|
---|
| 1537 | char rtpbuf[1592];
|
---|
| 1538 | int i;
|
---|
| 1539 | int ct = time(0);
|
---|
| 1540 | udp_tim += (ct-udp_init)*1000000/TIME_RESOLUTION;
|
---|
| 1541 | udp_init = ct;
|
---|
| 1542 | rtpbuf[0] = (2<<6);
|
---|
| 1543 | rtpbuf[1] = 96;
|
---|
| 1544 | rtpbuf[2] = (udp_seq>>8)&0xFF;
|
---|
| 1545 | rtpbuf[3] = (udp_seq)&0xFF;
|
---|
| 1546 | rtpbuf[4] = (udp_tim>>24)&0xFF;
|
---|
| 1547 | rtpbuf[5] = (udp_tim>>16)&0xFF;
|
---|
| 1548 | rtpbuf[6] = (udp_tim>>8)&0xFF;
|
---|
| 1549 | rtpbuf[7] = (udp_tim)&0xFF;
|
---|
| 1550 | rtpbuf[8] = (rtpssrc>>24)&0xFF;
|
---|
| 1551 | rtpbuf[9] = (rtpssrc>>16)&0xFF;
|
---|
| 1552 | rtpbuf[10] = (rtpssrc>>8)&0xFF;
|
---|
| 1553 | rtpbuf[11] = (rtpssrc)&0xFF;
|
---|
| 1554 | ++udp_seq;
|
---|
| 1555 | memcpy(rtpbuf+12, buffer, nBufferBytes);
|
---|
| 1556 | if((i = send(socket_tcp, rtpbuf, (size_t)nBufferBytes+12, MSG_DONTWAIT))
|
---|
| 1557 | != nBufferBytes+12)
|
---|
| 1558 | {
|
---|
| 1559 | if(errno != EAGAIN)
|
---|
| 1560 | {
|
---|
| 1561 | perror("WARNING: could not send data to Destination caster");
|
---|
| 1562 | return;
|
---|
| 1563 | }
|
---|
| 1564 | }
|
---|
| 1565 | else
|
---|
| 1566 | nBufferBytes = 0;
|
---|
| 1567 | i = recv(socket_tcp, rtpbuf, sizeof(rtpbuf), 0);
|
---|
[1573] | 1568 | if(i >= 12 && (unsigned char)rtpbuf[0] == (2 << 6) && rtpssrc ==
|
---|
[1811] | 1569 | (unsigned int)(((unsigned char)rtpbuf[8]<<24)+((unsigned char)rtpbuf[9]<<16)
|
---|
[1570] | 1570 | +((unsigned char)rtpbuf[10]<<8)+(unsigned char)rtpbuf[11]))
|
---|
| 1571 | {
|
---|
[1573] | 1572 | if(rtpbuf[1] == 96)
|
---|
| 1573 | rtptime = time(0);
|
---|
| 1574 | else if(rtpbuf[1] == 98)
|
---|
| 1575 | {
|
---|
| 1576 | fprintf(stderr, "Connection end\n");
|
---|
| 1577 | return;
|
---|
| 1578 | }
|
---|
[1570] | 1579 | }
|
---|
| 1580 | else if(time(0) > rtptime+60)
|
---|
| 1581 | {
|
---|
| 1582 | fprintf(stderr, "Timeout\n");
|
---|
| 1583 | return;
|
---|
| 1584 | }
|
---|
| 1585 | }
|
---|
[485] | 1586 | /*** Ntrip-Version 2.0 HTTP/1.1 ***/
|
---|
| 1587 | else if((nBufferBytes) && (outmode == HTTP))
|
---|
| 1588 | {
|
---|
| 1589 | int i, nChunkBytes, j = 1;
|
---|
| 1590 | nChunkBytes = snprintf(szSendBuffer, sizeof(szSendBuffer),"%x\r\n",
|
---|
| 1591 | nBufferBytes);
|
---|
| 1592 | send(sock, szSendBuffer, nChunkBytes, MSG_DONTWAIT);
|
---|
| 1593 | if((i = send(sock, buffer, (size_t)nBufferBytes, MSG_DONTWAIT))
|
---|
| 1594 | != nBufferBytes)
|
---|
| 1595 | {
|
---|
| 1596 | if(i < 0)
|
---|
| 1597 | {
|
---|
| 1598 | if(errno != EAGAIN)
|
---|
| 1599 | {
|
---|
[487] | 1600 | perror("WARNING: could not send data to Destination caster");
|
---|
[485] | 1601 | return;
|
---|
| 1602 | }
|
---|
| 1603 | }
|
---|
| 1604 | else if(i)
|
---|
| 1605 | {
|
---|
| 1606 | while(j>0)
|
---|
| 1607 | {
|
---|
| 1608 | j = send(sock, buffer, (size_t)BUFSZ, MSG_DONTWAIT);
|
---|
| 1609 | }
|
---|
| 1610 | }
|
---|
| 1611 | }
|
---|
| 1612 | else
|
---|
| 1613 | {
|
---|
| 1614 | send(sock, "\r\n", strlen("\r\n"), MSG_DONTWAIT);
|
---|
| 1615 | nBufferBytes = 0;
|
---|
| 1616 | }
|
---|
| 1617 | }
|
---|
| 1618 | /*** Ntrip-Version 2.0 RTSP(TCP) / RTP(UDP) ***/
|
---|
| 1619 | else if((nBufferBytes) && (outmode == RTSP))
|
---|
| 1620 | {
|
---|
[915] | 1621 | time_t ct;
|
---|
| 1622 | int r;
|
---|
[485] | 1623 | char rtpbuffer[BUFSZ+12];
|
---|
| 1624 | int i, j;
|
---|
| 1625 | gettimeofday(&now, NULL);
|
---|
| 1626 | /* RTP data packet generation*/
|
---|
| 1627 | if(isfirstpacket){
|
---|
| 1628 | rtpseq = rand();
|
---|
| 1629 | rtptime = rand();
|
---|
| 1630 | last = now;
|
---|
| 1631 | isfirstpacket = 0;
|
---|
| 1632 | }
|
---|
| 1633 | else
|
---|
| 1634 | {
|
---|
| 1635 | ++rtpseq;
|
---|
| 1636 | sendtimediff = (((now.tv_sec - last.tv_sec)*1000000)
|
---|
| 1637 | + (now.tv_usec - last.tv_usec));
|
---|
| 1638 | rtptime += sendtimediff/TIME_RESOLUTION;
|
---|
| 1639 | }
|
---|
| 1640 | rtpbuffer[0] = (RTP_VERSION<<6);
|
---|
| 1641 | /* padding, extension, csrc are empty */
|
---|
| 1642 | rtpbuffer[1] = 96;
|
---|
| 1643 | /* marker is empty */
|
---|
| 1644 | rtpbuffer[2] = rtpseq>>8;
|
---|
| 1645 | rtpbuffer[3] = rtpseq;
|
---|
| 1646 | rtpbuffer[4] = rtptime>>24;
|
---|
| 1647 | rtpbuffer[5] = rtptime>>16;
|
---|
| 1648 | rtpbuffer[6] = rtptime>>8;
|
---|
| 1649 | rtpbuffer[7] = rtptime;
|
---|
| 1650 | rtpbuffer[8] = rtpssrc>>24;
|
---|
| 1651 | rtpbuffer[9] = rtpssrc>>16;
|
---|
| 1652 | rtpbuffer[10] = rtpssrc>>8;
|
---|
| 1653 | rtpbuffer[11] = rtpssrc;
|
---|
| 1654 | for(j=0; j<nBufferBytes; j++) {rtpbuffer[12+j] = buffer[j];}
|
---|
| 1655 | last.tv_sec = now.tv_sec;
|
---|
| 1656 | last.tv_usec = now.tv_usec;
|
---|
| 1657 | if ((i = sendto(sock, rtpbuffer, 12 + nBufferBytes, 0, pcasterRTP,
|
---|
| 1658 | length)) != (nBufferBytes + 12))
|
---|
| 1659 | {
|
---|
| 1660 | if(i < 0)
|
---|
| 1661 | {
|
---|
| 1662 | if(errno != EAGAIN)
|
---|
| 1663 | {
|
---|
[487] | 1664 | perror("WARNING: could not send data to Destination caster");
|
---|
[485] | 1665 | return;
|
---|
| 1666 | }
|
---|
| 1667 | }
|
---|
| 1668 | else if(i)
|
---|
| 1669 | {
|
---|
| 1670 | memmove(buffer, buffer+(i-12), (size_t)(nBufferBytes-(i-12)));
|
---|
| 1671 | nBufferBytes -= i-12;
|
---|
| 1672 | }
|
---|
| 1673 | }
|
---|
| 1674 | else
|
---|
| 1675 | {
|
---|
| 1676 | nBufferBytes = 0;
|
---|
| 1677 | }
|
---|
[915] | 1678 | ct = time(0);
|
---|
| 1679 | if(ct-laststate > 15)
|
---|
| 1680 | {
|
---|
| 1681 | i = snprintf(buffer, sizeof(buffer),
|
---|
| 1682 | "GET_PARAMETER rtsp://%s%s/%s RTSP/1.0\r\n"
|
---|
| 1683 | "CSeq: %d\r\n"
|
---|
[1811] | 1684 | "Session: %u\r\n"
|
---|
[915] | 1685 | "\r\n",
|
---|
[916] | 1686 | casterouthost, rtsp_extension, mountpoint, udp_cseq++, rtpssrc);
|
---|
[915] | 1687 | if(i > (int)sizeof(buffer) || i < 0)
|
---|
| 1688 | {
|
---|
| 1689 | fprintf(stderr, "Requested data too long\n");
|
---|
| 1690 | return;
|
---|
| 1691 | }
|
---|
| 1692 | else if(send(socket_tcp, buffer, (size_t)i, 0) != i)
|
---|
| 1693 | {
|
---|
| 1694 | perror("send");
|
---|
| 1695 | return;
|
---|
| 1696 | }
|
---|
| 1697 | laststate = ct;
|
---|
| 1698 | }
|
---|
| 1699 | /* ignore RTSP server replies */
|
---|
| 1700 | if((r=recv(socket_tcp, buffer, sizeof(buffer), 0)) < 0)
|
---|
| 1701 | {
|
---|
| 1702 | #ifdef WINDOWSVERSION
|
---|
| 1703 | if(WSAGetLastError() != WSAEWOULDBLOCK)
|
---|
| 1704 | #else /* WINDOWSVERSION */
|
---|
| 1705 | if(errno != EAGAIN)
|
---|
| 1706 | #endif /* WINDOWSVERSION */
|
---|
| 1707 | {
|
---|
| 1708 | fprintf(stderr, "Control connection closed\n");
|
---|
| 1709 | return;
|
---|
| 1710 | }
|
---|
| 1711 | }
|
---|
| 1712 | else if(!r)
|
---|
| 1713 | {
|
---|
| 1714 | fprintf(stderr, "Control connection read error\n");
|
---|
| 1715 | return;
|
---|
| 1716 | }
|
---|
[485] | 1717 | }
|
---|
[487] | 1718 | if(send_recv_success == 3) reconnect_sec = 1;
|
---|
[485] | 1719 | }
|
---|
| 1720 | return;
|
---|
| 1721 | }
|
---|
| 1722 |
|
---|
| 1723 |
|
---|
| 1724 | /********************************************************************
|
---|
| 1725 | * openserial
|
---|
| 1726 | *
|
---|
| 1727 | * Open the serial port with the given device name and configure it for
|
---|
| 1728 | * reading NMEA data from a GPS receiver.
|
---|
| 1729 | *
|
---|
| 1730 | * Parameters:
|
---|
| 1731 | * tty : pointer to : A zero-terminated string containing the device
|
---|
| 1732 | * unsigned char name of the appropriate serial port.
|
---|
[653] | 1733 | * blocksz : integer : Block size for port I/O (ifndef WINDOWSVERSION)
|
---|
[485] | 1734 | * baud : integer : Baud rate for port I/O
|
---|
| 1735 | *
|
---|
| 1736 | * Return Value:
|
---|
| 1737 | * The function returns a file descriptor for the opened port if successful.
|
---|
[653] | 1738 | * The function returns -1 / INVALID_HANDLE_VALUE in the event of an error.
|
---|
[485] | 1739 | *
|
---|
| 1740 | * Remarks:
|
---|
| 1741 | *
|
---|
| 1742 | ********************************************************************/
|
---|
[653] | 1743 | #ifndef WINDOWSVERSION
|
---|
[485] | 1744 | static int openserial(const char * tty, int blocksz, int baud)
|
---|
| 1745 | {
|
---|
| 1746 | struct termios termios;
|
---|
| 1747 |
|
---|
[653] | 1748 | /*** opening the serial port ***/
|
---|
| 1749 | gps_serial = open(tty, O_RDWR | O_NONBLOCK | O_EXLOCK);
|
---|
| 1750 | if(gps_serial < 0)
|
---|
[485] | 1751 | {
|
---|
| 1752 | perror("ERROR: opening serial connection");
|
---|
| 1753 | return (-1);
|
---|
| 1754 | }
|
---|
[653] | 1755 |
|
---|
| 1756 | /*** configuring the serial port ***/
|
---|
| 1757 | if(tcgetattr(gps_serial, &termios) < 0)
|
---|
[485] | 1758 | {
|
---|
| 1759 | perror("ERROR: get serial attributes");
|
---|
| 1760 | return (-1);
|
---|
| 1761 | }
|
---|
| 1762 | termios.c_iflag = 0;
|
---|
| 1763 | termios.c_oflag = 0; /* (ONLRET) */
|
---|
| 1764 | termios.c_cflag = CS8 | CLOCAL | CREAD;
|
---|
| 1765 | termios.c_lflag = 0;
|
---|
| 1766 | {
|
---|
| 1767 | int cnt;
|
---|
| 1768 | for(cnt = 0; cnt < NCCS; cnt++)
|
---|
| 1769 | termios.c_cc[cnt] = -1;
|
---|
| 1770 | }
|
---|
| 1771 | termios.c_cc[VMIN] = blocksz;
|
---|
| 1772 | termios.c_cc[VTIME] = 2;
|
---|
| 1773 |
|
---|
| 1774 | #if (B4800 != 4800)
|
---|
| 1775 | /* Not every system has speed settings equal to absolute speed value. */
|
---|
| 1776 | switch (baud)
|
---|
| 1777 | {
|
---|
| 1778 | case 300:
|
---|
| 1779 | baud = B300;
|
---|
| 1780 | break;
|
---|
| 1781 | case 1200:
|
---|
| 1782 | baud = B1200;
|
---|
| 1783 | break;
|
---|
| 1784 | case 2400:
|
---|
| 1785 | baud = B2400;
|
---|
| 1786 | break;
|
---|
| 1787 | case 4800:
|
---|
| 1788 | baud = B4800;
|
---|
| 1789 | break;
|
---|
| 1790 | case 9600:
|
---|
| 1791 | baud = B9600;
|
---|
| 1792 | break;
|
---|
| 1793 | case 19200:
|
---|
| 1794 | baud = B19200;
|
---|
| 1795 | break;
|
---|
| 1796 | case 38400:
|
---|
| 1797 | baud = B38400;
|
---|
| 1798 | break;
|
---|
| 1799 | #ifdef B57600
|
---|
| 1800 | case 57600:
|
---|
| 1801 | baud = B57600;
|
---|
| 1802 | break;
|
---|
| 1803 | #endif
|
---|
| 1804 | #ifdef B115200
|
---|
| 1805 | case 115200:
|
---|
| 1806 | baud = B115200;
|
---|
| 1807 | break;
|
---|
| 1808 | #endif
|
---|
| 1809 | #ifdef B230400
|
---|
| 1810 | case 230400:
|
---|
| 1811 | baud = B230400;
|
---|
| 1812 | break;
|
---|
| 1813 | #endif
|
---|
| 1814 | default:
|
---|
| 1815 | fprintf(stderr, "WARNING: Baud settings not useful, using 19200\n");
|
---|
| 1816 | baud = B19200;
|
---|
| 1817 | break;
|
---|
| 1818 | }
|
---|
| 1819 | #endif
|
---|
| 1820 |
|
---|
| 1821 | if(cfsetispeed(&termios, baud) != 0)
|
---|
| 1822 | {
|
---|
| 1823 | perror("ERROR: setting serial speed with cfsetispeed");
|
---|
| 1824 | return (-1);
|
---|
| 1825 | }
|
---|
| 1826 | if(cfsetospeed(&termios, baud) != 0)
|
---|
| 1827 | {
|
---|
| 1828 | perror("ERROR: setting serial speed with cfsetospeed");
|
---|
| 1829 | return (-1);
|
---|
| 1830 | }
|
---|
[653] | 1831 | if(tcsetattr(gps_serial, TCSANOW, &termios) < 0)
|
---|
[485] | 1832 | {
|
---|
| 1833 | perror("ERROR: setting serial attributes");
|
---|
| 1834 | return (-1);
|
---|
| 1835 | }
|
---|
[653] | 1836 | if(fcntl(gps_serial, F_SETFL, 0) == -1)
|
---|
[485] | 1837 | {
|
---|
| 1838 | perror("WARNING: setting blocking inputmode failed");
|
---|
| 1839 | }
|
---|
[653] | 1840 | return (gps_serial);
|
---|
| 1841 | }
|
---|
| 1842 | #else
|
---|
| 1843 | static HANDLE openserial(const char * tty, int baud)
|
---|
| 1844 | {
|
---|
[1570] | 1845 | DCB dcb;
|
---|
[653] | 1846 | COMMTIMEOUTS cmt;
|
---|
[654] | 1847 | char compath[15] = "";
|
---|
[653] | 1848 |
|
---|
[654] | 1849 | snprintf(compath, sizeof(compath), "\\\\.\\%s", tty);
|
---|
[653] | 1850 | /*** opening the serial port ***/
|
---|
[1570] | 1851 | gps_serial = CreateFile(compath, GENERIC_READ | GENERIC_WRITE, 0, 0,
|
---|
[653] | 1852 | OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
|
---|
| 1853 | if(gps_serial == INVALID_HANDLE_VALUE)
|
---|
| 1854 | {
|
---|
| 1855 | fprintf(stderr, "ERROR: opening serial connection\n");
|
---|
| 1856 | return (INVALID_HANDLE_VALUE);
|
---|
| 1857 | }
|
---|
| 1858 | /*** configuring the serial port ***/
|
---|
| 1859 | FillMemory(&dcb, sizeof(dcb), 0);
|
---|
| 1860 | dcb.DCBlength = sizeof(dcb);
|
---|
| 1861 | if(!GetCommState(gps_serial, &dcb))
|
---|
| 1862 | {
|
---|
| 1863 | fprintf(stderr, "ERROR: get serial attributes\n");
|
---|
| 1864 | return (INVALID_HANDLE_VALUE);
|
---|
| 1865 | }
|
---|
| 1866 | switch (baud)
|
---|
| 1867 | {
|
---|
| 1868 | case 110:
|
---|
| 1869 | baud = CBR_110;
|
---|
| 1870 | break;
|
---|
| 1871 | case 300:
|
---|
| 1872 | baud = CBR_300;
|
---|
| 1873 | break;
|
---|
| 1874 | case 600:
|
---|
| 1875 | baud = CBR_600;
|
---|
| 1876 | break;
|
---|
| 1877 | case 1200:
|
---|
| 1878 | baud = CBR_1200;
|
---|
| 1879 | break;
|
---|
| 1880 | case 2400:
|
---|
| 1881 | baud = CBR_2400;
|
---|
| 1882 | break;
|
---|
| 1883 | case 4800:
|
---|
| 1884 | baud = CBR_4800;
|
---|
| 1885 | break;
|
---|
| 1886 | case 9600:
|
---|
| 1887 | baud = CBR_9600;
|
---|
| 1888 | break;
|
---|
| 1889 | case 14400:
|
---|
| 1890 | baud = CBR_14400;
|
---|
| 1891 | break;
|
---|
| 1892 | case 19200:
|
---|
| 1893 | baud = CBR_19200;
|
---|
| 1894 | break;
|
---|
| 1895 | case 38400:
|
---|
| 1896 | baud = CBR_38400;
|
---|
| 1897 | break;
|
---|
| 1898 | case 56000:
|
---|
| 1899 | baud = CBR_56000;
|
---|
| 1900 | break;
|
---|
| 1901 | case 57600:
|
---|
| 1902 | baud = CBR_57600;
|
---|
| 1903 | break;
|
---|
| 1904 | case 115200:
|
---|
| 1905 | baud = CBR_115200;
|
---|
| 1906 | break;
|
---|
| 1907 | case 128000:
|
---|
| 1908 | baud = CBR_128000;
|
---|
| 1909 | break;
|
---|
| 1910 | case 256000:
|
---|
| 1911 | baud = CBR_256000;
|
---|
| 1912 | break;
|
---|
| 1913 | default:
|
---|
| 1914 | fprintf(stderr, "WARNING: Baud settings not useful, using 19200\n");
|
---|
| 1915 | baud = CBR_19200;
|
---|
| 1916 | break;
|
---|
| 1917 | }
|
---|
[1570] | 1918 | dcb.BaudRate = baud;
|
---|
[653] | 1919 | dcb.ByteSize = 8;
|
---|
| 1920 | dcb.StopBits = ONESTOPBIT;
|
---|
| 1921 | dcb.Parity = NOPARITY;
|
---|
| 1922 | if(!GetCommState(gps_serial, &dcb))
|
---|
| 1923 | {
|
---|
| 1924 | fprintf(stderr, "ERROR: get serial attributes\n");
|
---|
| 1925 | return (INVALID_HANDLE_VALUE);
|
---|
| 1926 | }
|
---|
| 1927 | FillMemory(&cmt, sizeof(cmt), 0);
|
---|
| 1928 | cmt.ReadIntervalTimeout = 1000;
|
---|
| 1929 | cmt.ReadTotalTimeoutMultiplier = 1;
|
---|
| 1930 | cmt.ReadTotalTimeoutConstant = 0;
|
---|
| 1931 | if(!SetCommTimeouts(gps_serial, &cmt))
|
---|
| 1932 | {
|
---|
| 1933 | fprintf(stderr, "ERROR: set serial timeouts\n");
|
---|
[1570] | 1934 | return (INVALID_HANDLE_VALUE);
|
---|
[653] | 1935 | }
|
---|
| 1936 | return (gps_serial);
|
---|
[485] | 1937 | } /* openserial */
|
---|
[653] | 1938 | #endif
|
---|
[485] | 1939 |
|
---|
| 1940 | /********************************************************************
|
---|
| 1941 | * usage
|
---|
| 1942 | *
|
---|
| 1943 | * Send a usage message to standard error and quit the program.
|
---|
| 1944 | *
|
---|
| 1945 | * Parameters:
|
---|
| 1946 | * None.
|
---|
| 1947 | *
|
---|
| 1948 | * Return Value:
|
---|
| 1949 | * The function does not return a value.
|
---|
| 1950 | *
|
---|
| 1951 | * Remarks:
|
---|
| 1952 | *
|
---|
| 1953 | *********************************************************************/
|
---|
| 1954 | #ifdef __GNUC__
|
---|
| 1955 | __attribute__ ((noreturn))
|
---|
| 1956 | #endif /* __GNUC__ */
|
---|
| 1957 | void usage(int rc, char *name)
|
---|
| 1958 | {
|
---|
| 1959 | fprintf(stderr, "Version %s (%s) GPL" COMPILEDATE "\nUsage:\n%s [OPTIONS]\n",
|
---|
| 1960 | revisionstr, datestr, name);
|
---|
| 1961 | fprintf(stderr, "PURPOSE\n");
|
---|
| 1962 | fprintf(stderr, " The purpose of this program is to pick up a GNSS data stream (Input, Source)\n");
|
---|
| 1963 | fprintf(stderr, " from either\n\n");
|
---|
| 1964 | fprintf(stderr, " 1. a Serial port, or\n");
|
---|
| 1965 | fprintf(stderr, " 2. an IP server, or\n");
|
---|
| 1966 | fprintf(stderr, " 3. a File, or\n");
|
---|
| 1967 | fprintf(stderr, " 4. a SISNeT Data Server, or\n");
|
---|
| 1968 | fprintf(stderr, " 5. a UDP server, or\n");
|
---|
| 1969 | fprintf(stderr, " 6. an NTRIP Version 1.0 Caster\n\n");
|
---|
| 1970 | fprintf(stderr, " and forward that incoming stream (Output, Destination) to either\n\n");
|
---|
| 1971 | fprintf(stderr, " - an NTRIP Version 1.0 Caster, or\n");
|
---|
| 1972 | fprintf(stderr, " - an NTRIP Version 2.0 Caster via TCP/IP or RTSP/RTP.\n\n\n");
|
---|
| 1973 | fprintf(stderr, "OPTIONS\n");
|
---|
| 1974 | fprintf(stderr, " -h|? print this help screen\n\n");
|
---|
| 1975 | fprintf(stderr, " -E <ProxyHost> Proxy server host name or address, required i.e. when\n");
|
---|
| 1976 | fprintf(stderr, " running the program in a proxy server protected LAN,\n");
|
---|
| 1977 | fprintf(stderr, " optional\n");
|
---|
| 1978 | fprintf(stderr, " -F <ProxyPort> Proxy server IP port, required i.e. when running\n");
|
---|
[487] | 1979 | fprintf(stderr, " the program in a proxy server protected LAN, optional\n");
|
---|
| 1980 | fprintf(stderr, " -R <maxDelay> Reconnect mechanism with maximum delay between reconnect\n");
|
---|
| 1981 | fprintf(stderr, " attemts in seconds, default: no reconnect activated,\n");
|
---|
| 1982 | fprintf(stderr, " optional\n\n");
|
---|
[485] | 1983 | fprintf(stderr, " -M <InputMode> Sets the input mode (1 = Serial Port, 2 = IP server,\n");
|
---|
| 1984 | fprintf(stderr, " 3 = File, 4 = SISNeT Data Server, 5 = UDP server, 6 = NTRIP Caster),\n");
|
---|
| 1985 | fprintf(stderr, " mandatory\n\n");
|
---|
| 1986 | fprintf(stderr, " <InputMode> = 1 (Serial Port):\n");
|
---|
| 1987 | fprintf(stderr, " -i <Device> Serial input device, default: /dev/gps, mandatory if\n");
|
---|
| 1988 | fprintf(stderr, " <InputMode>=1\n");
|
---|
| 1989 | fprintf(stderr, " -b <BaudRate> Serial input baud rate, default: 19200 bps, mandatory\n");
|
---|
[1113] | 1990 | fprintf(stderr, " if <InputMode>=1\n");
|
---|
| 1991 | fprintf(stderr, " -f <InitFile> Name of initialization file to be send to input device,\n");
|
---|
| 1992 | fprintf(stderr, " optional\n\n");
|
---|
[485] | 1993 | fprintf(stderr, " <InputMode> = 2|5 (IP port | UDP port):\n");
|
---|
| 1994 | fprintf(stderr, " -H <ServerHost> Input host name or address, default: 127.0.0.1,\n");
|
---|
| 1995 | fprintf(stderr, " mandatory if <InputMode> = 2|5\n");
|
---|
| 1996 | fprintf(stderr, " -P <ServerPort> Input port, default: 1025, mandatory if <InputMode>= 2|5\n");
|
---|
| 1997 | fprintf(stderr, " -f <ServerFile> Name of initialization file to be send to server,\n");
|
---|
| 1998 | fprintf(stderr, " optional\n");
|
---|
| 1999 | fprintf(stderr, " -x <ServerUser> User ID to access incoming stream, optional\n");
|
---|
| 2000 | fprintf(stderr, " -y <ServerPass> Password, to access incoming stream, optional\n");
|
---|
| 2001 | fprintf(stderr, " -B Bind to incoming UDP stream, optional for <InputMode> = 5\n\n");
|
---|
| 2002 | fprintf(stderr, " <InputMode> = 3 (File):\n");
|
---|
| 2003 | fprintf(stderr, " -s <File> File name to simulate stream by reading data from (log)\n");
|
---|
| 2004 | fprintf(stderr, " file, default is /dev/stdin, mandatory for <InputMode> = 3\n\n");
|
---|
| 2005 | fprintf(stderr, " <InputMode> = 4 (SISNeT Data Server):\n");
|
---|
| 2006 | fprintf(stderr, " -H <SisnetHost> SISNeT Data Server name or address,\n");
|
---|
| 2007 | fprintf(stderr, " default: 131.176.49.142, mandatory if <InputMode> = 4\n");
|
---|
| 2008 | fprintf(stderr, " -P <SisnetPort> SISNeT Data Server port, default: 7777, mandatory if\n");
|
---|
| 2009 | fprintf(stderr, " <InputMode> = 4\n");
|
---|
| 2010 | fprintf(stderr, " -u <SisnetUser> SISNeT Data Server user ID, mandatory if <InputMode> = 4\n");
|
---|
| 2011 | fprintf(stderr, " -l <SisnetPass> SISNeT Data Server password, mandatory if <InputMode> = 4\n");
|
---|
| 2012 | fprintf(stderr, " -V <SisnetVers> SISNeT Data Server Version number, options are 2.1, 3.0\n");
|
---|
| 2013 | fprintf(stderr, " or 3.1, default: 3.1, mandatory if <InputMode> = 4\n\n");
|
---|
| 2014 | fprintf(stderr, " <InputMode> = 6 (NTRIP Version 1.0 Caster):\n");
|
---|
| 2015 | fprintf(stderr, " -H <SourceHost> Source caster name or address, default: 127.0.0.1,\n");
|
---|
| 2016 | fprintf(stderr, " mandatory if <InputMode> = 6\n");
|
---|
| 2017 | fprintf(stderr, " -P <SourcePort> Source caster port, default: 2101, mandatory if\n");
|
---|
| 2018 | fprintf(stderr, " <InputMode> = 6\n");
|
---|
| 2019 | fprintf(stderr, " -D <SourceMount> Source caster mountpoint for stream input, mandatory if\n");
|
---|
| 2020 | fprintf(stderr, " <InputMode> = 6\n");
|
---|
| 2021 | fprintf(stderr, " -U <SourceUser> Source caster user Id for input stream access, mandatory\n");
|
---|
| 2022 | fprintf(stderr, " for protected streams if <InputMode> = 6\n");
|
---|
| 2023 | fprintf(stderr, " -W <SourcePass> Source caster password for input stream access, mandatory\n");
|
---|
| 2024 | fprintf(stderr, " for protected streams if <InputMode> = 6\n\n");
|
---|
| 2025 | fprintf(stderr, " -O <OutputMode> Sets output mode for communatation with destination caster\n");
|
---|
[487] | 2026 | fprintf(stderr, " 1 = http: NTRIP Version 2.0 Caster in TCP/IP mode\n");
|
---|
| 2027 | fprintf(stderr, " 2 = rtsp: NTRIP Version 2.0 Caster in RTSP/RTP mode\n");
|
---|
| 2028 | fprintf(stderr, " 3 = ntrip1: NTRIP Version 1.0 Caster\n");
|
---|
[1570] | 2029 | fprintf(stderr, " 4 = udp: NTRIP Version 2.0 Caster in Plain UDP mode\n");
|
---|
[487] | 2030 | fprintf(stderr, " optional\n\n");
|
---|
| 2031 | fprintf(stderr, " Defaults to NTRIP1.0, but will change to 2.0 in future versions\n");
|
---|
| 2032 | fprintf(stderr, " Note that the program automatically falls back from mode rtsp to mode http and\n");
|
---|
| 2033 | fprintf(stderr, " further to mode ntrip1 if necessary.\n\n");
|
---|
[485] | 2034 | fprintf(stderr, " -a <DestHost> Destination caster name or address, default: 127.0.0.1,\n");
|
---|
| 2035 | fprintf(stderr, " mandatory\n");
|
---|
| 2036 | fprintf(stderr, " -p <DestPort> Destination caster port, default: 2101, mandatory\n");
|
---|
| 2037 | fprintf(stderr, " -m <DestMount> Destination caster mountpoint for stream upload,\n");
|
---|
| 2038 | fprintf(stderr, " mandatory\n");
|
---|
| 2039 | fprintf(stderr, " -n <DestUser> Destination caster user ID for stream upload to\n");
|
---|
| 2040 | fprintf(stderr, " mountpoint, only for NTRIP Version 2.0 destination\n");
|
---|
| 2041 | fprintf(stderr, " casters, mandatory\n");
|
---|
| 2042 | fprintf(stderr, " -c <DestPass> Destination caster password for stream upload to\n");
|
---|
| 2043 | fprintf(stderr, " mountpoint, mandatory\n");
|
---|
| 2044 | fprintf(stderr, " -N <STR-record> Sourcetable STR-record\n");
|
---|
[487] | 2045 | fprintf(stderr, " optional for NTRIP Version 2.0 in RTSP/RTP and TCP/IP mode\n\n");
|
---|
[485] | 2046 | exit(rc);
|
---|
| 2047 | } /* usage */
|
---|
| 2048 |
|
---|
| 2049 |
|
---|
| 2050 | /********************************************************************/
|
---|
| 2051 | /* signal handling */
|
---|
| 2052 | /********************************************************************/
|
---|
| 2053 | #ifdef __GNUC__
|
---|
| 2054 | static void handle_sigint(int sig __attribute__((__unused__)))
|
---|
| 2055 | #else /* __GNUC__ */
|
---|
| 2056 | static void handle_sigint(int sig)
|
---|
| 2057 | #endif /* __GNUC__ */
|
---|
[487] | 2058 | {
|
---|
| 2059 | sigint_received = 1;
|
---|
| 2060 | fprintf(stderr, "WARNING: SIGINT received - ntripserver terminates\n");
|
---|
| 2061 | }
|
---|
[485] | 2062 |
|
---|
[653] | 2063 | #ifndef WINDOWSVERSION
|
---|
[487] | 2064 | #ifdef __GNUC__
|
---|
| 2065 | static void handle_alarm(int sig __attribute__((__unused__)))
|
---|
| 2066 | #else /* __GNUC__ */
|
---|
| 2067 | static void handle_alarm(int sig)
|
---|
| 2068 | #endif /* __GNUC__ */
|
---|
| 2069 | {
|
---|
| 2070 | sigalarm_received = 1;
|
---|
| 2071 | fprintf(stderr, "ERROR: more than %d seconds no activity\n", ALARMTIME);
|
---|
| 2072 | }
|
---|
| 2073 |
|
---|
| 2074 | #ifdef __GNUC__
|
---|
| 2075 | static void handle_sigpipe(int sig __attribute__((__unused__)))
|
---|
| 2076 | #else /* __GNUC__ */
|
---|
| 2077 | static void handle_sigpipe(int sig)
|
---|
| 2078 | #endif /* __GNUC__ */
|
---|
[653] | 2079 | {
|
---|
| 2080 | sigpipe_received = 1;
|
---|
| 2081 | }
|
---|
| 2082 | #endif /* WINDOWSVERSION */
|
---|
[487] | 2083 |
|
---|
[485] | 2084 | static void setup_signal_handler(int sig, void (*handler)(int))
|
---|
| 2085 | {
|
---|
| 2086 | #if _POSIX_VERSION > 198800L
|
---|
| 2087 | struct sigaction action;
|
---|
| 2088 |
|
---|
| 2089 | action.sa_handler = handler;
|
---|
| 2090 | sigemptyset(&(action.sa_mask));
|
---|
| 2091 | sigaddset(&(action.sa_mask), sig);
|
---|
| 2092 | action.sa_flags = 0;
|
---|
| 2093 | sigaction(sig, &action, 0);
|
---|
| 2094 | #else
|
---|
| 2095 | signal(sig, handler);
|
---|
| 2096 | #endif
|
---|
| 2097 | return;
|
---|
| 2098 | } /* setupsignal_handler */
|
---|
| 2099 |
|
---|
[653] | 2100 |
|
---|
[485] | 2101 | /********************************************************************
|
---|
| 2102 | * base64-encoding *
|
---|
| 2103 | *******************************************************************/
|
---|
| 2104 | static const char encodingTable [64] =
|
---|
| 2105 | {
|
---|
| 2106 | 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
|
---|
| 2107 | 'Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f',
|
---|
| 2108 | 'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v',
|
---|
| 2109 | 'w','x','y','z','0','1','2','3','4','5','6','7','8','9','+','/'
|
---|
| 2110 | };
|
---|
| 2111 |
|
---|
| 2112 | /* does not buffer overrun, but breaks directly after an error */
|
---|
| 2113 | /* returns the number of required bytes */
|
---|
| 2114 | static int encode(char *buf, int size, const char *user, const char *pwd)
|
---|
| 2115 | {
|
---|
| 2116 | unsigned char inbuf[3];
|
---|
| 2117 | char *out = buf;
|
---|
| 2118 | int i, sep = 0, fill = 0, bytes = 0;
|
---|
| 2119 |
|
---|
| 2120 | while(*user || *pwd)
|
---|
| 2121 | {
|
---|
| 2122 | i = 0;
|
---|
| 2123 | while(i < 3 && *user) inbuf[i++] = *(user++);
|
---|
| 2124 | if(i < 3 && !sep) {inbuf[i++] = ':'; ++sep; }
|
---|
| 2125 | while(i < 3 && *pwd) inbuf[i++] = *(pwd++);
|
---|
| 2126 | while(i < 3) {inbuf[i++] = 0; ++fill; }
|
---|
| 2127 | if(out-buf < size-1)
|
---|
| 2128 | *(out++) = encodingTable[(inbuf [0] & 0xFC) >> 2];
|
---|
| 2129 | if(out-buf < size-1)
|
---|
| 2130 | *(out++) = encodingTable[((inbuf [0] & 0x03) << 4)
|
---|
| 2131 | | ((inbuf [1] & 0xF0) >> 4)];
|
---|
| 2132 | if(out-buf < size-1)
|
---|
| 2133 | {
|
---|
| 2134 | if(fill == 2)
|
---|
| 2135 | *(out++) = '=';
|
---|
| 2136 | else
|
---|
| 2137 | *(out++) = encodingTable[((inbuf [1] & 0x0F) << 2)
|
---|
| 2138 | | ((inbuf [2] & 0xC0) >> 6)];
|
---|
| 2139 | }
|
---|
| 2140 | if(out-buf < size-1)
|
---|
| 2141 | {
|
---|
| 2142 | if(fill >= 1)
|
---|
| 2143 | *(out++) = '=';
|
---|
| 2144 | else
|
---|
| 2145 | *(out++) = encodingTable[inbuf [2] & 0x3F];
|
---|
| 2146 | }
|
---|
| 2147 | bytes += 4;
|
---|
| 2148 | }
|
---|
| 2149 | if(out-buf < size)
|
---|
| 2150 | *out = 0;
|
---|
| 2151 | return bytes;
|
---|
| 2152 | }/* base64 Encoding */
|
---|
| 2153 |
|
---|
| 2154 |
|
---|
| 2155 | /********************************************************************
|
---|
| 2156 | * send message to caster *
|
---|
| 2157 | *********************************************************************/
|
---|
[653] | 2158 | static int send_to_caster(char *input, sockettype socket, int input_size)
|
---|
[485] | 2159 | {
|
---|
| 2160 | int send_error = 1;
|
---|
| 2161 |
|
---|
| 2162 | if((send(socket, input, (size_t)input_size, 0)) != input_size)
|
---|
| 2163 | {
|
---|
[487] | 2164 | fprintf(stderr, "WARNING: could not send full header to Destination caster\n");
|
---|
[485] | 2165 | send_error = 0;
|
---|
| 2166 | }
|
---|
| 2167 | #ifndef NDEBUG
|
---|
| 2168 | else
|
---|
| 2169 | {
|
---|
| 2170 | fprintf(stderr, "\nDestination caster request:\n");
|
---|
| 2171 | fprintf(stderr, "%s", input);
|
---|
| 2172 | }
|
---|
| 2173 | #endif
|
---|
| 2174 | return send_error;
|
---|
| 2175 | }/* send_to_caster */
|
---|
| 2176 |
|
---|
| 2177 |
|
---|
| 2178 | /********************************************************************
|
---|
[487] | 2179 | * reconnect *
|
---|
| 2180 | *********************************************************************/
|
---|
| 2181 | int reconnect(int rec_sec, int rec_sec_max)
|
---|
| 2182 | {
|
---|
| 2183 | fprintf(stderr,"reconnect in <%d> seconds\n\n", rec_sec);
|
---|
| 2184 | rec_sec *= 2;
|
---|
| 2185 | if (rec_sec > rec_sec_max) rec_sec = rec_sec_max;
|
---|
[653] | 2186 | #ifndef WINDOWSVERSION
|
---|
[487] | 2187 | sleep(rec_sec);
|
---|
[653] | 2188 | sigpipe_received = 0;
|
---|
| 2189 | #else
|
---|
| 2190 | Sleep(rec_sec*1000);
|
---|
| 2191 | #endif
|
---|
[487] | 2192 | sigalarm_received = 0;
|
---|
| 2193 | return rec_sec;
|
---|
| 2194 | } /* reconnect */
|
---|
| 2195 |
|
---|
| 2196 |
|
---|
| 2197 | /********************************************************************
|
---|
[485] | 2198 | * close session *
|
---|
| 2199 | *********************************************************************/
|
---|
[1570] | 2200 | static void close_session(const char *caster_addr, const char *mountpoint,
|
---|
[915] | 2201 | int session, char *rtsp_ext, int fallback)
|
---|
[485] | 2202 | {
|
---|
| 2203 | int size_send_buf;
|
---|
| 2204 | char send_buf[BUFSZ];
|
---|
| 2205 |
|
---|
[653] | 2206 | if(!fallback)
|
---|
[485] | 2207 | {
|
---|
[1570] | 2208 | if((gps_socket != INVALID_SOCKET) &&
|
---|
| 2209 | ((inputmode == TCPSOCKET) || (inputmode == UDPSOCKET) ||
|
---|
[653] | 2210 | (inputmode == CASTER) || (inputmode == SISNET)))
|
---|
[1570] | 2211 | {
|
---|
[653] | 2212 | if(closesocket(gps_socket) == -1)
|
---|
| 2213 | {
|
---|
| 2214 | perror("ERROR: close input device ");
|
---|
| 2215 | exit(0);
|
---|
| 2216 | }
|
---|
| 2217 | else
|
---|
| 2218 | {
|
---|
| 2219 | gps_socket = -1;
|
---|
[1570] | 2220 | #ifndef NDEBUG
|
---|
[653] | 2221 | fprintf(stderr, "close input device: successful\n");
|
---|
| 2222 | #endif
|
---|
| 2223 | }
|
---|
[485] | 2224 | }
|
---|
[653] | 2225 | else if((gps_serial != INVALID_HANDLE_VALUE) && (inputmode == SERIAL))
|
---|
[485] | 2226 | {
|
---|
[653] | 2227 | #ifndef WINDOWSVERSION
|
---|
| 2228 | if(close(gps_serial) == INVALID_HANDLE_VALUE)
|
---|
| 2229 | {
|
---|
| 2230 | perror("ERROR: close input device ");
|
---|
| 2231 | exit(0);
|
---|
| 2232 | }
|
---|
| 2233 | #else
|
---|
| 2234 | if(!CloseHandle(gps_serial))
|
---|
| 2235 | {
|
---|
| 2236 | fprintf(stderr, "ERROR: close input device ");
|
---|
| 2237 | exit(0);
|
---|
| 2238 | }
|
---|
| 2239 | #endif
|
---|
| 2240 | else
|
---|
| 2241 | {
|
---|
| 2242 | gps_serial = INVALID_HANDLE_VALUE;
|
---|
[1570] | 2243 | #ifndef NDEBUG
|
---|
[653] | 2244 | fprintf(stderr, "close input device: successful\n");
|
---|
[487] | 2245 | #endif
|
---|
[653] | 2246 | }
|
---|
[485] | 2247 | }
|
---|
[653] | 2248 | else if((gps_file != -1) && (inputmode == INFILE))
|
---|
[1570] | 2249 | {
|
---|
[653] | 2250 | if(close(gps_file) == -1)
|
---|
| 2251 | {
|
---|
| 2252 | perror("ERROR: close input device ");
|
---|
| 2253 | exit(0);
|
---|
| 2254 | }
|
---|
| 2255 | else
|
---|
| 2256 | {
|
---|
| 2257 | gps_file = -1;
|
---|
[1570] | 2258 | #ifndef NDEBUG
|
---|
[653] | 2259 | fprintf(stderr, "close input device: successful\n");
|
---|
| 2260 | #endif
|
---|
| 2261 | }
|
---|
| 2262 | }
|
---|
[485] | 2263 | }
|
---|
| 2264 |
|
---|
[915] | 2265 | if(socket_udp != INVALID_SOCKET)
|
---|
[485] | 2266 | {
|
---|
[915] | 2267 | if(udp_cseq > 2)
|
---|
[485] | 2268 | {
|
---|
| 2269 | size_send_buf = snprintf(send_buf, sizeof(send_buf),
|
---|
| 2270 | "TEARDOWN rtsp://%s%s/%s RTSP/1.0\r\n"
|
---|
[915] | 2271 | "CSeq: %d\r\n"
|
---|
[1811] | 2272 | "Session: %u\r\n"
|
---|
[485] | 2273 | "\r\n",
|
---|
[915] | 2274 | caster_addr, rtsp_ext, mountpoint, udp_cseq++, session);
|
---|
[485] | 2275 | if((size_send_buf >= (int)sizeof(send_buf)) || (size_send_buf < 0))
|
---|
| 2276 | {
|
---|
| 2277 | fprintf(stderr, "ERROR: Destination caster request to long\n");
|
---|
| 2278 | exit(0);
|
---|
| 2279 | }
|
---|
[487] | 2280 | send_to_caster(send_buf, socket_tcp, size_send_buf); strcpy(send_buf,"");
|
---|
| 2281 | size_send_buf = recv(socket_tcp, send_buf, sizeof(send_buf), 0);
|
---|
[485] | 2282 | send_buf[size_send_buf] = '\0';
|
---|
| 2283 | #ifndef NDEBUG
|
---|
| 2284 | fprintf(stderr, "Destination caster response:\n%s", send_buf);
|
---|
| 2285 | #endif
|
---|
| 2286 | }
|
---|
[653] | 2287 | if(closesocket(socket_udp)==-1)
|
---|
[485] | 2288 | {
|
---|
| 2289 | perror("ERROR: close udp socket");
|
---|
| 2290 | exit(0);
|
---|
| 2291 | }
|
---|
| 2292 | else
|
---|
| 2293 | {
|
---|
[487] | 2294 | socket_udp = -1;
|
---|
| 2295 | #ifndef NDEBUG
|
---|
| 2296 | fprintf(stderr, "close udp socket: successful\n");
|
---|
| 2297 | #endif
|
---|
[485] | 2298 | }
|
---|
| 2299 | }
|
---|
| 2300 |
|
---|
[653] | 2301 | if(socket_tcp != INVALID_SOCKET)
|
---|
[485] | 2302 | {
|
---|
[653] | 2303 | if(closesocket(socket_tcp) == -1)
|
---|
[487] | 2304 | {
|
---|
| 2305 | perror("ERROR: close tcp socket");
|
---|
| 2306 | exit(0);
|
---|
| 2307 | }
|
---|
| 2308 | else
|
---|
| 2309 | {
|
---|
| 2310 | socket_tcp = -1;
|
---|
[485] | 2311 | #ifndef NDEBUG
|
---|
[487] | 2312 | fprintf(stderr, "close tcp socket: successful\n");
|
---|
| 2313 | #endif
|
---|
| 2314 | }
|
---|
[485] | 2315 | }
|
---|
| 2316 | } /* close_session */
|
---|