141 lines
2.6 KiB
C++
141 lines
2.6 KiB
C++
//
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// Stdio Daemon
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// Neal Probert
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <string.h>
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#include <strings.h>
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#include <unistd.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <arpa/inet.h>
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#include "StdioDaemon.h"
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#include "netlib.h"
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extern int optind, opterr, optopt;
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//
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// any port
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//
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static const char *helptext =
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"stdiod [options]\n"
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"\t-d debug (foreground with stdio)\n"
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"\t-h help\n"
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"\t-l UDP listen for data\n"
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"\t-m network broadcast data\n"
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"\t-S service TCP service\n";
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int main(int argc, char **argv)
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{
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char c; /* we have character */
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StdioDaemon Std;
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/* options */
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int debug = 0; // run in foreground, leaves stdio open
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/* dgpsip server */
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char *host = NULL;
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/* udp broadcast */
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char *mcast = NULL;
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/* udp listener */
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char *listen = NULL;
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/* server */
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char *service = (char *)STDIOD_PORT;
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// add command line args
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while ( (c = getopt( argc, argv, "dhm:l:r:S:" )) > 0 )
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{
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switch ( c )
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{
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case 'd':
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debug = 1;
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break;
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case 'h':
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puts( helptext );
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return 0;
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case 'l': // udp listen
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listen = optarg;
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break;
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case 'm': // udp broadcast
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mcast = optarg;
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break;
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case 'r': // remote host
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host = optarg;
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break;
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case 'S':
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service = optarg;
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break;
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default:
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fprintf( stderr, "Unknown option -%c\n", c );
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exit(1);
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}
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}
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// check options
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if ( mcast && listen )
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{
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fprintf( stderr, "Cannot do both UDP broadcast/multicast and listening!\n" );
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exit(1);
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}
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// input
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// corrections
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if ( host )
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{
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// RTCM server
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int remote = Std.TcpConnect( host );
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if ( remote < 0 )
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{
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fprintf( stderr, "Unable to connect to remote host: %s\n", host );
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exit(1);
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}
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}
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else if ( listen )
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{
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// listen on UDP broadcasts for RTCM corrrections
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int dgram = Std.UdpListen( listen );
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if ( dgram < 0 )
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{
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fprintf( stderr, "Unable to listen on UDP broadcast!\n" );
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exit(1);
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}
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}
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// output
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if ( mcast )
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{
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int bcast = Std.UdpBroadcast( mcast );
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if ( bcast < 0 )
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{
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fprintf( stderr, "Unable to create UDP broadcast!\n" );
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exit(1);
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}
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}
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// TCP listener
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if ( Std.StartService( STDIOD_NAME, NULL, service, debug ) >= 0 )
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return Std.RunService();
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return 1;
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}
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