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rpcrigd.c

/*
 * rpcrigd - (C) Stephane Fillod 2001-2003
 *
 * This program let programs control a radio through
 * the mean of RPC services using Hamlib.
 *
 *    $Id: rpcrigd.c,v 1.7 2003-08-17 22:39:07 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 "rpcrig.h"
#include <stdio.h>
#include <stdlib.h>
#include <rpc/pmap_clnt.h>
#include <string.h>
#include <memory.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
#include <netdb.h>
#ifdef HAVE_RPC_RPCENT_H
#include <rpc/rpcent.h>
#endif

#include <getopt.h>

#include <hamlib/rig.h>



/* 
 * Prototypes
 */
void usage();
void version();
void rigd_exit();

void rigprog_1(struct svc_req *rqstp, register SVCXPRT *transp);


/*
 * 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.
 */
#define SHORT_OPTIONS "m:r:p:P:d:D:c:s:C:t:vhV"
static struct option long_options[] =
{
      {"model",    1, 0, 'm'},
      {"rig-file", 1, 0, 'r'},
      {"ptt-file", 1, 0, 'p'},
      {"dcd-file", 1, 0, 'd'},
      {"ptt-type", 1, 0, 'P'},
      {"dcd-type", 1, 0, 'D'},
      {"serial-speed", 1, 0, 's'},
      {"civaddr",  1, 0, 'c'},
      {"set-conf", 1, 0, 'C'},
      {"prog", 1, 0, 't'},
      {"verbose",  0, 0, 'v'},
      {"help",     0, 0, 'h'},
      {"version",  0, 0, 'V'},
      {0, 0, 0, 0}
};


int set_conf(RIG *my_rig, char *conf_parms)
{
      char *p, *q, *n;
      int ret;

      p = conf_parms;
      while (p && *p != '\0') {
                  /* FIXME: left hand value of = cannot be null */
            q = strchr(p, '=');
            if ( !q )
                  return RIG_EINVAL;
            *q++ = '\0';
            n = strchr(q, ',');
            if (n) *n++ = '\0';

            ret = rig_set_conf(my_rig, rig_token_lookup(my_rig, p), q);
            if (ret != RIG_OK)
                        return ret;
            p = n;
      }
      return RIG_OK;
}


static unsigned long extract_prognum(const char val[])
{
      if (val[0] == '+') {
            return RIGPROG + atol(val+1);
      } else
            if (val[0] < '0' || val[0] > '9') {
                  struct rpcent *ent;
                  ent = getrpcbyname (val);
                  if (ent)
                        return ent->r_number;
                  else
                        return 0;
      } else
            return atol(val);
}


RIG *the_rpc_rig;


#define MAXCONFLEN 128

int
main (int argc, char *argv[])
{
      register SVCXPRT *transp;

      rig_model_t my_model = RIG_MODEL_DUMMY;
      int retcode;            /* generic return code from functions */

      int verbose = 0;
      const char *rig_file=NULL, *ptt_file=NULL, *dcd_file=NULL;
      ptt_type_t ptt_type = RIG_PTT_NONE;
      dcd_type_t dcd_type = RIG_DCD_NONE;
      char *civaddr = NULL;   /* NULL means no need to set conf */
      int serial_rate = 0;
      char conf_parms[MAXCONFLEN] = "";
      unsigned long prognum = RIGPROG;

      /* Arguments parsing */

      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);
                              }
                              rig_file = optarg;
                              break;
                  case 'p':
                              if (!optarg) {
                                          usage();    /* wrong arg count */
                                          exit(1);
                              }
                              ptt_file = optarg;
                              break;
                  case 'd':
                              if (!optarg) {
                                          usage();    /* wrong arg count */
                                          exit(1);
                              }
                              dcd_file = optarg;
                              break;
                  case 'P':
                              if (!optarg) {
                                          usage();    /* wrong arg count */
                                          exit(1);
                              }
                                        if (!strcmp(optarg, "RIG"))
                                    ptt_type = RIG_PTT_RIG;
                              else if (!strcmp(optarg, "DTR"))
                                    ptt_type = RIG_PTT_SERIAL_DTR;
                              else if (!strcmp(optarg, "RTS"))
                                    ptt_type = RIG_PTT_SERIAL_RTS;
                              else if (!strcmp(optarg, "PARALLEL"))
                                    ptt_type = RIG_PTT_PARALLEL;
                              else if (!strcmp(optarg, "NONE"))
                                    ptt_type = RIG_PTT_NONE;
                              else
                                    ptt_type = atoi(optarg);
                              break;
                  case 'D':
                              if (!optarg) {
                                          usage();    /* wrong arg count */
                                          exit(1);
                              }
                                        if (!strcmp(optarg, "RIG"))
                                    dcd_type = RIG_DCD_RIG;
                              else if (!strcmp(optarg, "DSR"))
                                    dcd_type = RIG_DCD_SERIAL_DSR;
                              else if (!strcmp(optarg, "CTS"))
                                    dcd_type = RIG_DCD_SERIAL_CTS;
                              else if (!strcmp(optarg, "CD"))
                                    dcd_type = RIG_DCD_SERIAL_CAR;
                              else if (!strcmp(optarg, "PARALLEL"))
                                    dcd_type = RIG_DCD_PARALLEL;
                              else if (!strcmp(optarg, "NONE"))
                                    dcd_type = RIG_DCD_NONE;
                              else
                                    dcd_type = atoi(optarg);
                              break;
                  case 'c':
                              if (!optarg) {
                                          usage();    /* wrong arg count */
                                          exit(1);
                              }
                              civaddr = 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);
                              }
                              prognum = extract_prognum(optarg);
                              break;
                  case 'v':
                              verbose++;
                              break;
                  default:
                              usage();    /* unknown option? */
                              exit(1);
            }
      }
      if (verbose < 2)
            rig_set_debug(RIG_DEBUG_WARN);


      /* Opening the local rig */

      the_rpc_rig = rig_init(my_model);

      if (!the_rpc_rig) {
                  fprintf(stderr, "Unknown rig num %d, or initialization error.\n", 
                                          my_model);
                  fprintf(stderr, "Please check with rigctl --list option.\n");
                  exit(2);
      }

      retcode = set_conf(the_rpc_rig, conf_parms);
      if (retcode != RIG_OK) {
                  fprintf(stderr, "Config parameter error: %s\n", rigerror(retcode));
                  exit(2);
      }

      if (rig_file)
            strncpy(the_rpc_rig->state.rigport.pathname, rig_file, FILPATHLEN);

      /* 
       * ex: RIG_PTT_PARALLEL and /dev/parport0
       */
      if (ptt_type != RIG_PTT_NONE)
            the_rpc_rig->state.pttport.type.ptt = ptt_type;
      if (dcd_type != RIG_DCD_NONE)
            the_rpc_rig->state.dcdport.type.dcd = dcd_type;
      if (ptt_file)
            strncpy(the_rpc_rig->state.pttport.pathname, ptt_file, FILPATHLEN);
      if (dcd_file)
            strncpy(the_rpc_rig->state.dcdport.pathname, dcd_file, FILPATHLEN);
      /* FIXME: bound checking and port type == serial */
      if (serial_rate != 0)
            the_rpc_rig->state.rigport.parm.serial.rate = serial_rate;
      if (civaddr)
        rig_set_conf(the_rpc_rig, rig_token_lookup(the_rpc_rig, "civaddr"), civaddr);


      retcode = rig_open(the_rpc_rig);
      if (retcode != RIG_OK) {
                  fprintf(stderr,"rig_open: error = %s \n", rigerror(retcode));
                  exit(2);
      }

      atexit(rigd_exit);

      if (verbose > 0)
                  printf("Opened rig model %d, '%s'\n", the_rpc_rig->caps->rig_model,
                                          the_rpc_rig->caps->model_name);


      /* Setup the RPC service and fire it up */


      pmap_unset (prognum, RIGVERS);

      transp = svcudp_create(RPC_ANYSOCK);
      if (transp == NULL) {
            fprintf (stderr, "cannot create udp service.");
            exit(1);
      }
      if (!svc_register(transp, prognum, RIGVERS, rigprog_1, IPPROTO_UDP)) {
            fprintf (stderr, "unable to register (%lu, %u, udp).", prognum, RIGVERS);
            exit(1);
      }

      transp = svctcp_create(RPC_ANYSOCK, 0, 0);
      if (transp == NULL) {
            fprintf (stderr, "cannot create tcp service.");
            exit(1);
      }
      if (!svc_register(transp, prognum, RIGVERS, rigprog_1, IPPROTO_TCP)) {
            fprintf (stderr, "unable to register (%lu, %u, tcp).", prognum, RIGVERS);
            exit(1);
      }

      svc_run ();
      fprintf (stderr, "svc_run returned");

      /* the rig gets automatically closed in rigd_exit() */

      exit (1);
      /* NOTREACHED */
}


void rigd_exit()
{
      rig_close(the_rpc_rig);
      rig_cleanup(the_rpc_rig);
}



void usage()
{
            printf("Usage: rpc.rigd [OPTION]...\n"
               "Offer RPC services to remotely control a connected radio transceiver or receiver.\n\n");

            printf(
      "  -m, --model=ID             select radio model number. See model list\n"
      "  -r, --rig-file=DEVICE      set device of the radio to operate on\n"
      "  -p, --ptt-file=DEVICE      set device of the PTT device to operate on\n"
      "  -d, --dcd-file=DEVICE      set device of the DCD device to operate on\n"
      "  -P, --ptt-type=TYPE        set type of the PTT device to operate on\n"
      "  -D, --dcd-type=TYPE        set type of the DCD device to operate on\n"
      "  -s, --serial-speed=BAUD    set serial speed of the serial port\n"
      "  -c, --civaddr=ID           set CI-V address (for Icom rigs only)\n"
      "  -C, --set-conf=PARM=VAL    set config parameters\n"
      "  -t, --prog=NUMBER          set RPC program number\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"
                  );

            printf("\nReport bugs to <hamlib-developer@lists.sourceforge.net>.\n");

}

void version()
{
      printf("rpcrigd, %s\n\n", hamlib_version);
      printf("%s\n", hamlib_copyright);
}


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