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Hamlib/tests/rotctld.c

434 wiersze
10 KiB
C
Czysty Wina Historia

/*
* rotctld.c - (C) Stephane Fillod 2000-2010
*
* This program test/control a rotator using Hamlib.
* It takes commands from network connection.
*
* $Id: rotctld.c,v 1.7 2009-01-04 14:49:17 fillods Exp $
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <getopt.h>
#include <errno.h>
#include <sys/types.h> /* See NOTES */
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#elif HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#ifdef HAVE_PTHREAD
#include <pthread.h>
#endif
#include <hamlib/rotator.h>
#include "misc.h"
#include "rotctl_parse.h"
struct handle_data {
ROT *rot;
int sock;
struct sockaddr_in cli_addr;
socklen_t clilen;
};
void * handle_socket(void * arg);
void usage();
/*
* Reminder: when adding long options,
* keep up to date SHORT_OPTIONS, usage()'s output and man page. thanks.
* NB: do NOT use -W since it's reserved by POSIX.
* TODO: add an option to read from a file
*/
#define SHORT_OPTIONS "m:r:s:C:t:T:LuevhVl"
static struct option long_options[] =
{
{"model", 1, 0, 'm'},
{"rot-file", 1, 0, 'r'},
{"serial-speed",1, 0, 's'},
{"port", 1, 0, 't'},
{"listen-addr", 1, 0, 'T'},
{"list", 0, 0, 'l'},
{"set-conf", 1, 0, 'C'},
{"show-conf", 0, 0, 'L'},
{"dump-caps", 0, 0, 'u'},
{"end-marker", 0, 0, 'e'},
{"verbose", 0, 0, 'v'},
{"help", 0, 0, 'h'},
{"version", 0, 0, 'V'},
{0, 0, 0, 0}
};
int interactive = 1; /* no cmd because of daemon */
int prompt= 0 ; /* Daemon mode for rigparse return string */
int opt_end= 0 ; /* END marker for rotctld */
int portno = 4533;
uint32_t src_addr = INADDR_ANY;
char send_cmd_term = '\r'; /* send_cmd termination char */
#define MAXCONFLEN 128
int main (int argc, char *argv[])
{
ROT *my_rot; /* handle to rot (instance) */
rot_model_t my_model = ROT_MODEL_DUMMY;
int retcode; /* generic return code from functions */
int verbose = 0;
int show_conf = 0;
int dump_caps_opt = 0;
const char *rot_file=NULL;
int serial_rate = 0;
char conf_parms[MAXCONFLEN] = "";
int sock_listen;
struct sockaddr_in serv_addr;
int reuseaddr = 1;
int a0,a1,a2,a3;
while(1) {
int c;
int option_index = 0;
c = getopt_long (argc, argv, SHORT_OPTIONS,
long_options, &option_index);
if (c == -1)
break;
switch(c) {
case 'h':
usage();
exit(0);
case 'V':
version();
exit(0);
case 'm':
if (!optarg) {
usage(); /* wrong arg count */
exit(1);
}
my_model = atoi(optarg);
break;
case 'r':
if (!optarg) {
usage(); /* wrong arg count */
exit(1);
}
rot_file = optarg;
break;
case 's':
if (!optarg) {
usage(); /* wrong arg count */
exit(1);
}
serial_rate = atoi(optarg);
break;
case 'C':
if (!optarg) {
usage(); /* wrong arg count */
exit(1);
}
if (*conf_parms != '\0')
strcat(conf_parms, ",");
strncat(conf_parms, optarg, MAXCONFLEN-strlen(conf_parms));
break;
case 't':
if (!optarg) {
usage(); /* wrong arg count */
exit(1);
}
portno = atoi(optarg);
break;
case 'T':
if (!optarg) {
usage(); /* wrong arg count */
exit(1);
}
if (4 != sscanf(optarg, "%d.%d.%d.%d", &a0,&a1,&a2,&a3)) {
usage(); /* wrong arg count */
exit(1);
}
src_addr = (a0<<24)|(a1<<16)|(a2<<8)|a3;
break;
case 'v':
verbose++;
break;
case 'L':
show_conf++;
break;
case 'l':
list_models();
exit(0);
case 'u':
dump_caps_opt++;
break;
case 'e':
opt_end = 1;
fprintf(stderr, "-e|--end-marker option is deprecated!\nPlease consider using the Extended Response protocol instead.\n");
break;
default:
usage(); /* unknown option? */
exit(1);
}
}
rig_set_debug(verbose);
rig_debug(RIG_DEBUG_VERBOSE, "rotctld, %s\n", hamlib_version);
rig_debug(RIG_DEBUG_VERBOSE, "Report bugs to "
"<hamlib-developer@lists.sourceforge.net>\n\n");
my_rot = rot_init(my_model);
if (!my_rot) {
fprintf(stderr, "Unknown rot num %d, or initialization error.\n",
my_model);
fprintf(stderr, "Please check with --list option.\n");
exit(2);
}
retcode = set_conf(my_rot, conf_parms);
if (retcode != RIG_OK) {
fprintf(stderr, "Config parameter error: %s\n", rigerror(retcode));
exit(2);
}
if (rot_file)
strncpy(my_rot->state.rotport.pathname, rot_file, FILPATHLEN);
/* FIXME: bound checking and port type == serial */
if (serial_rate != 0)
my_rot->state.rotport.parm.serial.rate = serial_rate;
/*
* print out conf parameters
*/
if (show_conf) {
rot_token_foreach(my_rot, print_conf_list, (rig_ptr_t)my_rot);
}
/*
* print out conf parameters, and exits immediately
* We may be interested only in only caps, and rig_open may fail.
*/
if (dump_caps_opt) {
dumpcaps_rot(my_rot, stdout);
rot_cleanup(my_rot); /* if you care about memory */
exit(0);
}
retcode = rot_open(my_rot);
if (retcode != RIG_OK) {
fprintf(stderr,"rot_open: error = %s \n", rigerror(retcode));
exit(2);
}
if (verbose > 0)
printf("Opened rot model %d, '%s'\n", my_rot->caps->rot_model,
my_rot->caps->model_name);
rig_debug(RIG_DEBUG_VERBOSE, "Backend version: %s, Status: %s\n",
my_rot->caps->version, rig_strstatus(my_rot->caps->status));
/*
* Prepare listening socket
*/
sock_listen = socket(AF_INET, SOCK_STREAM, 0);
if (sock_listen < 0) {
perror("ERROR opening socket");
exit(1);
}
memset((char *) &serv_addr, 0, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(portno);
serv_addr.sin_addr.s_addr = htonl(src_addr);
if (setsockopt(sock_listen, SOL_SOCKET, SO_REUSEADDR,
(char *)&reuseaddr,sizeof(reuseaddr)) < 0) {
rig_debug(RIG_DEBUG_ERR, "setsockopt: %s\n", strerror(errno));
exit (1);
}
if (bind(sock_listen, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
rig_debug(RIG_DEBUG_ERR, "binding: %s\n", strerror(errno));
exit (1);
}
if (listen(sock_listen,4) < 0) {
rig_debug(RIG_DEBUG_ERR, "listening: %s\n", strerror(errno));
exit (1);
}
/*
* main loop accepting connections
*/
do {
#ifdef HAVE_PTHREAD
pthread_t thread;
pthread_attr_t attr;
#endif
struct handle_data *arg;
arg = malloc(sizeof(struct handle_data));
if (!arg) {
rig_debug(RIG_DEBUG_ERR, "malloc: %s\n", strerror(errno));
exit (1);
}
arg->rot = my_rot;
arg->clilen = sizeof(arg->cli_addr);
arg->sock = accept(sock_listen, (struct sockaddr *) &arg->cli_addr,
&arg->clilen);
if (arg->sock < 0) {
rig_debug(RIG_DEBUG_ERR, "accept: %s\n", strerror(errno));
break;
}
rig_debug(RIG_DEBUG_VERBOSE, "Connection opened from %s:%d\n",
inet_ntoa(arg->cli_addr.sin_addr),
ntohs(arg->cli_addr.sin_port));
#ifdef HAVE_PTHREAD
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
retcode = pthread_create(&thread, &attr, handle_socket, arg);
if (retcode != 0) {
rig_debug(RIG_DEBUG_ERR, "pthread_create: %s\n", strerror(retcode));
break;
}
#else
handle_socket(arg);
#endif
}
while (retcode == 0);
rot_close(my_rot); /* close port */
rot_cleanup(my_rot); /* if you care about memory */
return 0;
}
/*
* This is the function run by the threads
*/
void * handle_socket(void *arg)
{
struct handle_data *handle_data_arg = (struct handle_data *)arg;
FILE *fsockin;
FILE *fsockout;
int retcode;
fsockin = fdopen(handle_data_arg->sock, "rb");
if (!fsockin) {
rig_debug(RIG_DEBUG_ERR, "fdopen in: %s\n", strerror(errno));
free(arg);
close(handle_data_arg->sock);
#ifdef HAVE_PTHREAD
pthread_exit(NULL);
#endif
return NULL;
}
fsockout = fdopen(handle_data_arg->sock, "wb");
if (!fsockout) {
rig_debug(RIG_DEBUG_ERR, "fdopen out: %s\n", strerror(errno));
fclose(fsockin);
close(handle_data_arg->sock);
free(arg);
#ifdef HAVE_PTHREAD
pthread_exit(NULL);
#endif
return NULL;
}
do {
retcode = rotctl_parse(handle_data_arg->rot, fsockin, fsockout, NULL, 0);
if (ferror(fsockin) || ferror(fsockout))
retcode = 1;
}
while (retcode == 0);
rig_debug(RIG_DEBUG_VERBOSE, "Connection closed from %s:%d\n",
inet_ntoa(handle_data_arg->cli_addr.sin_addr),
ntohs(handle_data_arg->cli_addr.sin_port));
fclose(fsockin);
fclose(fsockout);
close(handle_data_arg->sock);
free(arg);
#ifdef HAVE_PTHREAD
pthread_exit(NULL);
#endif
return NULL;
}
void usage()
{
printf("Usage: rotctld [OPTION]... [COMMAND]...\n"
"Daemon serving COMMANDs to a connected antenna rotator.\n\n");
printf(
" -m, --model=ID select rotator model number. See model list\n"
" -r, --rot-file=DEVICE set device of the rotator to operate on\n"
" -s, --serial-speed=BAUD set serial speed of the serial port\n"
" -t, --port=NUM set TCP listening port, default %d\n"
" -T, --listen-addr=IPADDR set listening IP address, default ANY\n"
" -C, --set-conf=PARM=VAL set config parameters\n"
" -L, --show-conf list all config parameters\n"
" -l, --list list all model numbers and exit\n"
" -u, --dump-caps dump capabilities and exit\n"
" -e, --end-marker use END marker in rotctld protocol (obsolete)\n"
" -v, --verbose set verbose mode, cumulative\n"
" -h, --help display this help and exit\n"
" -V, --version output version information and exit\n\n",
portno);
usage_rot(stdout);
printf("\nReport bugs to <hamlib-developer@lists.sourceforge.net>.\n");
}
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