Index: /trunk/ntripserver/NtripLinuxServer.c =================================================================== --- /trunk/ntripserver/NtripLinuxServer.c (revision 17) +++ /trunk/ntripserver/NtripLinuxServer.c (revision 18) @@ -1,4 +1,4 @@ /* - * main.c + * NtripServerLinux.c * * Copyright (c) 2003...2005 @@ -41,59 +41,68 @@ */ -/* $Id: NtripLinuxServer.c,v 1.7 2005/02/17 09:22:23 stoecker Exp $ - * Changes - Version 0.7 - * Thu Sep 22 08:10:45 2003 actina AG - * - * Steffen Tschirpke - * * main.c +/* $Id: NtripLinuxServer.c,v 1.8 2005/03/21 13:02:47 stoecker Exp $ + * Changes - Version 0.7 + * Sep 22 2003 Steffen Tschirpke * - socket support * - command line option handling * - error handling * - help screen + * + * Changes - Version 0.9 + * Feb 15 2005 Dirk Stoecker + * - some minor updates, fixed serial baudrate settings + * + * Changes - Version 0.10 + * Apr 05 2005 Dirk Stoecker + * - some cleanup and miscellaneous fixes + * - replaced non-working simulate with file input (stdin) + * - TCP sending now somewhat more stable + * - cleanup of error handling */ -/* Changes - Version 0.9 - * Feb 15 2005 Dirk Stoecker - */ - +#include +#include +#include +#include +#include #include +#include #include #include -#include +#include +#include +#include +#include #include -#include -#include -#include -#include -#include -#include -#include -#include "NtripServerLinux.h" - -#define VERSION "NTRIP NtripServerLinux/0.9" - -#define SIMULATE 0 -#define SERIAL 1 -#define TCPSOCKET 2 + +#ifndef MSG_DONTWAIT +#define MSG_DONTWAIT 0 /* prevent compiler errors */ +#endif +#ifndef O_EXLOCK +#define O_EXLOCK 0 /* prevent compiler errors */ +#endif + +enum MODE { SERIAL = 1, TCPSOCKET = 2, INFILE = 3 }; + +#define VERSION "NTRIP NtripServerLinux/0.10" +#define BUFSZ 1024 /* default socket source */ -#define SERV_HOST_ADDR "127.0.0.1" -#define SERV_TCP_PORT 1025 +#define SERV_HOST_ADDR "127.0.0.1" +#define SERV_TCP_PORT 1025 /* default destination */ -#define NTRIP_CASTER "www.euref-ip.net" -#define NTRIP_PORT 80 - -int verbose = 0; -int simulate = 0; -int tickinterval = 1; -int ttybaud = 19200; -char * ttyport = "/dev/gps"; -int mode = 0; +#define NTRIP_CASTER "www.euref-ip.net" +#define NTRIP_PORT 80 + +int ttybaud = 19200; +char *ttyport = "/dev/gps"; +char *filepath = "/dev/stdin"; +enum MODE mode = INFILE; /* Forward references */ -int openserial (u_char * tty, int blocksz, int ttybaud); -int send_receive_loop(int socket, int fd); -void usage (int); +int openserial(u_char * tty, int blocksz, int ttybaud); +void send_receive_loop(int socket, int fd); +void usage(int); /* @@ -115,24 +124,21 @@ */ -int main (int argc, char ** argv) +int main(int argc, char **argv) { - u_char * ttyin = ttyport; - char * logfilepath = NULL; - FILE * fp = NULL; - int c, gpsfd = -1; - int size = 2048; //for setting send buffer size - + u_char *ttyin = ttyport; + int c, gpsfd = -1; + int size = 2048; /* for setting send buffer size */ + unsigned int out_port = 0; unsigned int in_port = 0; - char *mountpoint = NULL; - char *password = NULL; - int sock_id; - char szSendBuffer[BUFSZ]; - int nBufferBytes; - int sockfd; + char *mountpoint = NULL; + char *password = ""; + int sock_id; + char szSendBuffer[BUFSZ]; + int nBufferBytes; struct hostent *inhost; struct hostent *outhost; - + struct sockaddr_in in_addr; struct sockaddr_in out_addr; @@ -140,5 +146,5 @@ if(!(outhost = gethostbyname(NTRIP_CASTER))) { - fprintf(stderr, "host %s unknown\n\n", NTRIP_CASTER); + fprintf(stderr, "WARNING: host %s unknown\n", NTRIP_CASTER); } else @@ -148,284 +154,283 @@ } - //get and check program arguments - if (argc <=1) - { + /* get and check program arguments */ + if(argc <= 1) + { + usage(2); + exit(1); + } + while((c = getopt(argc, argv, "M:i:h:b:p:s:a:m:c:H:P:")) != EOF) + { + switch (c) + { + case 'M': + mode = atoi(optarg); + if((mode == 0) || (mode > 3)) + { + fprintf(stderr, "ERROR: can't convert %s to a valid mode\n", optarg); + usage(-1); + } + break; + case 'i': /* gps serial ttyin */ + ttyin = optarg; + break; + case 'b': /* serial ttyin speed */ + ttybaud = atoi(optarg); + if(ttybaud <= 1) + { + fprintf(stderr, "ERROR: can't convert %s to valid serial speed\n", optarg); + usage(1); + } + break; + case 'a': /* http server IP address A.B.C.D */ + outhost = gethostbyname(optarg); + if(outhost == NULL) + { + fprintf(stderr, "ERROR: host %s unknown\n", optarg); + usage(-2); + } + memset((char *) &out_addr, 0x00, sizeof(out_addr)); + memcpy(&out_addr.sin_addr, outhost->h_addr, outhost->h_length); + break; + case 'p': /* http server port */ + out_port = atoi(optarg); + if(out_port <= 1) + { + fprintf(stderr, "ERROR: can't convert %s to a valid HTTP server port\n", + optarg); + usage(1); + } + break; + case 'm': /* http server mountpoint */ + mountpoint = optarg; + break; + case 'f': /* datastream from file */ + filepath = optarg; + break; + case 'c': /* password */ + password = optarg; + break; + case 'H': /* host */ + inhost = gethostbyname(optarg); + if(inhost == NULL) + { + fprintf(stderr, "ERROR: host %s unknown\n", optarg); + usage(-2); + } + memset((char *) &in_addr, 0x00, sizeof(in_addr)); + memcpy(&in_addr.sin_addr, inhost->h_addr, inhost->h_length); + break; + case 'P': /* port */ + in_port = atoi(optarg); + if(in_port <= 1) + { + fprintf(stderr, "ERROR: can't convert %s to a valid receiver port\n", + optarg); + usage(1); + } + break; + case 'h': /* help */ + case '?': + usage(0); + break; + default: usage(2); - exit(1); - } - while ((c = getopt (argc, argv, "M:i:h:b:p:s:a:m:c:H:P:")) != EOF) - { - switch (c) - { - case 'M': - mode = atoi(optarg); - if ((mode == 0) || (mode > 3)) - { - fprintf (stderr, "can't convert %s to a valid mode\n\n", optarg); - usage(-1); - } - break; - case 'i': /* gps serial ttyin */ - ttyin = optarg; - break; - case 'b': /* serial ttyin speed */ - ttybaud = atoi (optarg); - if (ttybaud <= 1) - { - fprintf (stderr, "can't convert %s to valid ttyin speed\n\n", optarg); - usage(1); - } - break; - case 'a': /* http server IP address A.B.C.D*/ - outhost = gethostbyname(optarg); - if (outhost == NULL) - { - fprintf (stderr, "host %s unknown\n\n", optarg); - usage(-2); - } - memset((char *) &out_addr, 0x00, sizeof(out_addr)); - memcpy(&out_addr.sin_addr, outhost->h_addr, outhost->h_length); - break; - case 'p': /* http server port*/ - out_port = atoi(optarg); - if (out_port <= 1) - { - fprintf (stderr, "can't convert %s to a valid http server port\n\n", optarg); - usage(1); - } - break; - case 'm': /* http server mountpoint*/ - mountpoint = optarg; - break; - case 's': /* simulate datastream from file */ - logfilepath = optarg; - break; - case 'c': /* password */ - password=optarg; - break; - case 'H': /* host */ - inhost = gethostbyname(optarg); - if (inhost == NULL) - { - /* TODO Errorhandling/Debugging - Output */ - fprintf (stderr, "host %s unknown\n\n", optarg); - usage(-2); - } - memset((char *) &in_addr, 0x00, sizeof(in_addr)); - memcpy(&in_addr.sin_addr, inhost->h_addr, inhost->h_length); - break; - case 'P': /* port */ - in_port = atoi(optarg); - if (in_port <= 1) - { - /* TODO Errorhandling/Debugging - Output */ - fprintf (stderr, "can't convert %s to a valid receiver port\n\n", optarg); - usage(1); - } - break; - case 'h': /* help */ - case '?': - usage(0); - break; - default: - usage(2); - break; - } - - if (in_port <= 0 ) - { - in_port = SERV_TCP_PORT; - } - if (out_port <= 0 ) - { - out_port = NTRIP_PORT; - } - } - + break; + } + + if(in_port <= 0) + { + in_port = SERV_TCP_PORT; + } + if(out_port <= 0) + { + out_port = NTRIP_PORT; + } + } + argc -= optind; argv += optind; - - if (argc > 0) - { - /* TODO Errorhandling/Debugging - Output */ - fprintf (stderr, "Extra args on command line.\n"); - for (; argc > 0; argc--) - { - fprintf (stderr, " %s", *argv++); - } - fprintf (stderr, "\n"); - usage (1); /* never returns */ - } - - if ((mode ==SIMULATE) && (tickinterval <= 0)) - { - /* TODO Errorhandling/Debugging - Output */ - fprintf (stderr, "-t parameter must be positive in simulator mode\n"); - exit (1); - } - - if (verbose >= 1) - fprintf (stderr, "%s\n", VERSION); - if (mountpoint == NULL) - { - /* TODO Errorhandling/Debugging - Output */ - fprintf(stderr,"missing mountpoint arguement\n"); - exit(1); - } - //print program arguments on screen - /* TODO Errorhandling/Debugging - Output */ - // printf("\ncaster IP :\t%s\nport :\t%d\nmountpoint :\t%s\npassword :\t%s\n\n",address,port,mountpoint,(password==NULL)?"none":"yes"); - if (password == NULL) - { - password="\0"; - } - + + if(argc > 0) + { + fprintf(stderr, "ERROR: Extra args on command line: "); + for(; argc > 0; argc--) + { + fprintf(stderr, " %s", *argv++); + } + fprintf(stderr, "\n"); + usage(1); /* never returns */ + } + + if(mountpoint == NULL) + { + fprintf(stderr, "ERROR: Missing mountpoint argument\n"); + exit(1); + } + if(!password[0]) + { + fprintf(stderr, "WARNING: Missing password argument - are you really sure?\n"); + } + switch (mode) - { - case SIMULATE: - { - fp = fopen (logfilepath, "r"); - if (!fp) - { - /* TODO Errorhandling/Debugging - Output */ - perror ("fopen logfile"); - exit (1); - } - } - break; - case SERIAL: //open serial port - { - gpsfd = openserial (ttyin, 1, ttybaud); - fp = fdopen (gpsfd, "r"); - if (!fp) - { - /* TODO Errorhandling/Debugging - Output */ - perror ("fdopen gps"); - exit (1); - } - } - break; - case TCPSOCKET: - { - in_addr.sin_family = AF_INET; - in_addr.sin_port = htons(in_port); - - if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) - { - /* TODO Errorhandling/Debugging - Output */ - fprintf (stderr, "can't create socket\n"); - exit(1); - } - - /* TODO Errorhandling/Debugging - Output */ - printf("connecting input ...\n"); - fprintf (stderr, "socket input:\n"); - fprintf (stderr, "\tHost: %s\n", inet_ntoa(in_addr.sin_addr)); - fprintf (stderr, "\tPort: %d\n", in_port); - - if (connect(sockfd, (struct sockaddr *) &in_addr, sizeof(in_addr)) < 0) - { - /* TODO Errorhandling/Debugging - Output */ - fprintf (stderr, "can't connect input to %s at port %d\n", inet_ntoa(in_addr.sin_addr), in_port); - // exit(1); - } - gpsfd = sockfd; - } - break; - default: - usage(-1); - break; - } - + { + case INFILE: + { + gpsfd = open(filepath, O_RDONLY); + if(!gpsfd) + { + perror("ERROR: opening input file"); + exit(1); + } + /* set blocking mode in case it was not set (seems to be sometimes for fifo's) */ + fcntl(gpsfd, F_SETFL, 0); + printf("file input: file = %s\n", filepath); + } + break; + case SERIAL: /* open serial port */ + { + gpsfd = openserial(ttyin, 1, ttybaud); + if(gpsfd < 0) + { + exit(1); + } + printf("serial input: device = %s, speed = %d\n", ttyin, ttybaud); + } + break; + case TCPSOCKET: + { + in_addr.sin_family = AF_INET; + in_addr.sin_port = htons(in_port); + + if((gpsfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) + { + fprintf(stderr, "ERROR: can't create socket\n"); + exit(1); + } + + printf("socket input: host = %s, port = %d\n", + inet_ntoa(in_addr.sin_addr), in_port); + + if(connect(gpsfd, (struct sockaddr *) &in_addr, sizeof(in_addr)) < 0) + { + fprintf(stderr, "ERROR: can't connect input to %s at port %d\n", + inet_ntoa(in_addr.sin_addr), in_port); + exit(1); + } + } + break; + default: + usage(-1); + break; + } + out_addr.sin_family = AF_INET; - out_addr.sin_port = htons((u_short)(out_port)); - - // ----- main part ----- + out_addr.sin_port = htons((u_short) (out_port)); + + /* ----- main part ----- */ while(1) - { - //create socket - if ((sock_id = socket(AF_INET, SOCK_STREAM, 0)) < 0) - { - /* TODO Errorhandling/Debugging - Output */ - printf("ERROR : could not create socket\n"); - // sleep(5); - exit(2); - } - //connect to caster - printf("connecting output ...\n"); - fprintf (stderr, "caster output:\n"); - fprintf (stderr, "\tHost: %s\n", inet_ntoa(out_addr.sin_addr)); - fprintf (stderr, "\tPort: %d\n", out_port); - if (connect(sock_id, (struct sockaddr *) &out_addr, sizeof(out_addr)) < 0) - { - /* TODO Errorhandling/Debugging - Output */ - fprintf (stderr, "can't connect output to %s at port %d\n", inet_ntoa(out_addr.sin_addr), out_port); - close(sock_id); - // sleep(5); - exit(3); - } - - /* TODO Errorhandling/Debugging - Output */ - printf("connection succesfull\n"); - //set socket buffer size - setsockopt(sock_id,SOL_SOCKET,SO_SNDBUF,(const char *) &size,sizeof(const char *)); - //send message to caster - szSendBuffer[0] = '\0'; - sprintf(szSendBuffer,"SOURCE %s /%s\r\n",password,mountpoint); - strcat(szSendBuffer,"Source-Agent: "); - strcat(szSendBuffer,VERSION); - strcat(szSendBuffer, "\r\n"); - strcat(szSendBuffer, "\r\n"); - strcat(szSendBuffer, "\0"); - nBufferBytes=strlen(szSendBuffer); - if ((send(sock_id, szSendBuffer, nBufferBytes, 0)) != nBufferBytes) - { - /* TODO Errorhandling/Debugging - Output */ - fprintf(stderr, "ERROR : could not send to caster\n"); - close(sock_id); - sleep(5); - exit(0); - } - //check caster's response - nBufferBytes=recv(sock_id,szSendBuffer,sizeof(szSendBuffer),0); - szSendBuffer[nBufferBytes]='\0'; - if(strcmp(szSendBuffer,"OK\r\n")) - { - /* TODO Errorhandling/Debugging - Output */ - fprintf(stderr,"caster's reply is not OK\n"); - close(sock_id); - sleep(5); - exit(0); - } - send_receive_loop(sock_id, gpsfd); - } + { + /* create socket */ + if((sock_id = socket(AF_INET, SOCK_STREAM, 0)) < 0) + { + fprintf(stderr, "ERROR : could not create socket\n"); + exit(2); + } + /* connect to caster */ + fprintf(stderr, "caster output: host = %s, port = %d, mountpoint = %s\n", + inet_ntoa(out_addr.sin_addr), out_port, mountpoint); + if(connect(sock_id, (struct sockaddr *) &out_addr, sizeof(out_addr)) < 0) + { + fprintf(stderr, "ERROR: can't connect output to %s at port %d\n", + inet_ntoa(out_addr.sin_addr), out_port); + close(sock_id); + exit(3); + } + + /* set socket buffer size */ + setsockopt(sock_id, SOL_SOCKET, SO_SNDBUF, (const char *) &size, + sizeof(const char *)); + /* send message to caster */ + szSendBuffer[0] = '\0'; + sprintf(szSendBuffer, "SOURCE %s /%s\r\n", password, mountpoint); + strcat(szSendBuffer, "Source-Agent: "); + strcat(szSendBuffer, VERSION); + strcat(szSendBuffer, "\r\n"); + strcat(szSendBuffer, "\r\n"); + strcat(szSendBuffer, "\0"); + nBufferBytes = strlen(szSendBuffer); + if((send(sock_id, szSendBuffer, nBufferBytes, 0)) != nBufferBytes) + { + fprintf(stderr, "ERROR: could not send to caster\n"); + close(sock_id); + sleep(5); + exit(0); + } + /* check caster's response */ + nBufferBytes = recv(sock_id, szSendBuffer, sizeof(szSendBuffer), 0); + szSendBuffer[nBufferBytes] = '\0'; + if(strcmp(szSendBuffer, "OK\r\n")) + { + char *a; + fprintf(stderr, "ERROR: caster's reply is not OK : "); + for(a = szSendBuffer; *a && *a != '\n' && *a != '\r'; ++a) + { + fprintf(stderr, "%.1s", isprint(*a) ? a : "."); + } + fprintf(stderr, "\n"); + close(sock_id); + sleep(5); + exit(0); + } + printf("connection succesfull\n"); + send_receive_loop(sock_id, gpsfd); + } exit(0); } -int send_receive_loop(int socket, int fd) +void send_receive_loop(int socket, int fd) { - char buffer[BUFSZ]={0}; - int nBufferBytes=0; - //data transmission + char buffer[BUFSZ] = { 0 }; + int nBufferBytes = 0, i; + /* data transmission */ printf("transfering data ...\n"); while(1) - { - // recieving data + { + if(!nBufferBytes) + { + /* receiving data */ nBufferBytes = read(fd, buffer, BUFSZ); - if (nBufferBytes<=0) - { - /* TODO Errorhandling/Debugging - Output */ - printf("ERROR : no data recieved from serial port or socket\n"); - } - // send data - if((send(socket, buffer, nBufferBytes, MSG_DONTWAIT)) != nBufferBytes) - { //MSG_DONTWAIT : send works in non-blocking mode - /* TODO Errorhandling/Debugging - Output */ - fprintf(stderr,"ERROR : could not send data\n"); - close(socket); - sleep(5); - exit(4); - } - } + if(!nBufferBytes) + { + printf("WARNING: no data received from input\n"); + continue; + } + else if(nBufferBytes < 0) + { + perror("ERROR: reading input failed"); + exit(1); + } + } + /* send data */ + if((i = send(socket, buffer, nBufferBytes, MSG_DONTWAIT)) != nBufferBytes) + { + if(i < 0 && errno != EAGAIN) + { + perror("WARNING: could not send data - retry connection"); + close(socket); + sleep(5); + return; + } + else if(i) + { + memmove(buffer, buffer+i, nBufferBytes-i); + nBufferBytes -= i; + } + } + else + { + nBufferBytes = 0; + } + } } @@ -450,106 +455,101 @@ */ -int openserial (u_char * tty, int blocksz, int ttybaud) +int openserial(u_char * tty, int blocksz, int ttybaud) { - int fd; - struct termios termios; - - fd = open(tty, O_RDWR | O_NONBLOCK -#ifdef O_EXLOCK /* for Linux */ - | O_EXLOCK -#endif - ); - if (fd < 0) { - perror("open"); + int fd; + struct termios termios; + + fd = open(tty, O_RDWR | O_NONBLOCK | O_EXLOCK); + if(fd < 0) + { + perror("ERROR: opening serial connection"); return (-1); } - if (tcgetattr(fd, &termios) < 0) { - - perror("tcgetattr"); + if(tcgetattr(fd, &termios) < 0) + { + perror("ERROR: get serial attributes"); return (-1); } termios.c_iflag = 0; - termios.c_oflag = 0; /* (ONLRET) */ + termios.c_oflag = 0; /* (ONLRET) */ termios.c_cflag = CS8 | CLOCAL | CREAD; termios.c_lflag = 0; { - int cnt; - for (cnt = 0; cnt < NCCS; cnt++) + int cnt; + for(cnt = 0; cnt < NCCS; cnt++) termios.c_cc[cnt] = -1; } termios.c_cc[VMIN] = blocksz; termios.c_cc[VTIME] = 2; - + #if (B4800 != 4800) /* * Not every system has speed settings equal to absolute speed value. */ - + switch (ttybaud) - { - case 300: - ttybaud = B300; - break; - case 1200: - ttybaud = B1200; - break; - case 2400: - ttybaud = B2400; - break; - case 4800: - ttybaud = B4800; - break; - case 9600: - ttybaud = B9600; - break; - case 19200: - ttybaud = B19200; - break; - case 38400: - ttybaud = B38400; - break; + { + case 300: + ttybaud = B300; + break; + case 1200: + ttybaud = B1200; + break; + case 2400: + ttybaud = B2400; + break; + case 4800: + ttybaud = B4800; + break; + case 9600: + ttybaud = B9600; + break; + case 19200: + ttybaud = B19200; + break; + case 38400: + ttybaud = B38400; + break; #ifdef B57600 - case 57600: - ttybaud = B57600; - break; + case 57600: + ttybaud = B57600; + break; #endif #ifdef B115200 - case 115200: - ttybaud = B115200; - break; + case 115200: + ttybaud = B115200; + break; #endif #ifdef B230400 - case 230400: - ttybaud = B230400; - break; + case 230400: + ttybaud = B230400; + break; #endif - default: - fprintf(stderr, "Baud settings not useful, using 19200\n"); - ttybaud = B19200; - break; - } + default: + fprintf(stderr, "WARNING: Baud settings not useful, using 19200\n"); + ttybaud = B19200; + break; + } #endif - - if (cfsetispeed(&termios, ttybaud) != 0) - { - perror("cfsetispeed"); - return (-1); - } - if (cfsetospeed(&termios, ttybaud) != 0) - { - perror("cfsetospeed"); - return (-1); - } - if (tcsetattr(fd, TCSANOW, &termios) < 0) - { - perror("tcsetattr"); - return (-1); - } -#if 1 /* WANT_BLOCKING_READ */ - if (fcntl(fd, F_SETFL, 0) == -1) - { - perror("fcntl: set nonblock"); - } -#endif + + if(cfsetispeed(&termios, ttybaud) != 0) + { + perror("ERROR: setting serial speed with cfsetispeed"); + return (-1); + } + if(cfsetospeed(&termios, ttybaud) != 0) + { + perror("ERROR: setting serial speed with cfsetospeed"); + return (-1); + } + if(tcsetattr(fd, TCSANOW, &termios) < 0) + { + perror("ERROR: setting serial attributes"); + return (-1); + } + if(fcntl(fd, F_SETFL, 0) == -1) + { + perror("WARNING: setting blocking mode failed"); + } return (fd); } @@ -570,29 +570,29 @@ */ -void usage (int rc) +void usage(int rc) { - fprintf (stderr, "%s: application\n",VERSION); - fprintf (stderr, "Usage: %s [OPTIONS]\n",VERSION); - fprintf (stderr, " Options are:\n"); - fprintf (stderr, " -a caster name or address (default: %s)\n", NTRIP_CASTER); - fprintf (stderr, " -p caster port (default: %d)\n", NTRIP_PORT); - fprintf (stderr, " -m caster mountpoint\n"); - fprintf (stderr, " -c password for caster login\n"); - fprintf (stderr, " -h|? print this help screen\n"); - fprintf (stderr, " -M sets the mode\n"); - fprintf (stderr, " (1=serial, 2=tcpsocket, 3=simulate)\n"); - fprintf (stderr, " Mode = simulate:\n"); - fprintf (stderr, " -s file, simulate data stream by reading log file\n"); - fprintf (stderr, " default/current setting is %s\n", (simulate ? "enabled" : "disabled")); - fprintf (stderr, " Mode = serial:\n"); - fprintf (stderr, " -b baud_rate, sets serial input baud rate\n"); - fprintf (stderr, " default/current value is %d\n", ttybaud); - fprintf (stderr, " -i input_device, sets name of serial input device\n"); - fprintf (stderr, " default/current value is %s\n", ttyport); - fprintf (stderr, " (normally a symbolic link to /dev/tty\?\?)\n"); - fprintf (stderr, " Mode = tcpsocket:\n"); - fprintf (stderr, " -P receiver port (default: 1025)\n"); - fprintf (stderr, " -H hostname of TCP server (default: 127.0.0.1)\n"); - fprintf (stderr, " \n"); - exit (rc); + fprintf(stderr, "Usage: %s [OPTIONS]\n", VERSION); + fprintf(stderr, " Options are:\n"); + fprintf(stderr, " -a caster name or address (default: %s)\n", + NTRIP_CASTER); + fprintf(stderr, " -p caster port (default: %d)\n", NTRIP_PORT); + fprintf(stderr, " -m caster mountpoint\n"); + fprintf(stderr, " -c password for caster login\n"); + fprintf(stderr, " -h|? print this help screen\n"); + fprintf(stderr, " -M sets the mode\n"); + fprintf(stderr, " (1=serial, 2=tcpsocket, 3=file)\n"); + fprintf(stderr, " Mode = file:\n"); + fprintf(stderr, " -s file, simulate data stream by reading log file\n"); + fprintf(stderr, " default/current setting is %s\n", filepath); + fprintf(stderr, " Mode = serial:\n"); + fprintf(stderr, " -b baud_rate, sets serial input baud rate\n"); + fprintf(stderr, " default/current value is %d\n", ttybaud); + fprintf(stderr, " -i input_device, sets name of serial input device\n"); + fprintf(stderr, " default/current value is %s\n", ttyport); + fprintf(stderr, " (normally a symbolic link to /dev/tty\?\?)\n"); + fprintf(stderr, " Mode = tcpsocket:\n"); + fprintf(stderr, " -P receiver port (default: 1025)\n"); + fprintf(stderr, " -H hostname of TCP server (default: 127.0.0.1)\n"); + fprintf(stderr, " \n"); + exit(rc); }