mirror of
https://github.com/asterisk/asterisk.git
synced 2025-10-31 02:37:10 +00:00
Version 0.1.8 from FTP
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@316 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
323
apps/app_dial.c
323
apps/app_dial.c
@@ -27,6 +27,7 @@
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#include <stdio.h>
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#include <sys/time.h>
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#include <sys/signal.h>
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#include <netinet/in.h>
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#include <pthread.h>
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@@ -36,11 +37,31 @@ static char *app = "Dial";
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static char *parkedcall = "ParkedCall";
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/* No more than 90 seconds parked before you do something with them */
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static int parkingtime = 90000;
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static char *synopsis = "Place an call and connect to the current channel";
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static char *registrar = "app_dial";
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static char *descrip =
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" Dial(Technology/resource[&Technology2/resource2...][|timeout][|transfer]): Requests one or more channels\n"
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" and places specified outgoing calls on them. As soon as a channel answers, the Dial app\n"
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" will answer the originating channel (if it needs to be answered) and will bridge a call\n"
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" with the channel which first answered. All other calls placed by the Dial app will be\n"
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" hung up. If a timeout is not specified, the Dial application will wait indefinitely until\n"
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" either one of the called channels answers, the user hangs up, or all channels return busy or\n"
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" error. In general, the dialler will return 0 if it was unable to place the call, or the\n"
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" timeout expired. However, if all channels were busy, and there exists an extension with\n"
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" priority n+101 (where n is the priority of the dialler instance), then it will be the\n"
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" next executed extension (this allows you to setup different behavior on busy from no-answer)\n."
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" This application returns -1 if the originating channel hangs up, or if the call is bridged and\n"
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" either of the parties in the bridge terminate the call. The transfer string may contain a\n"
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" 't' to allow the called user transfer a call or 'T' to allow the calling user to transfer the call.\n"
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" In addition to transferring the call, a call may be parked and then picked up by another user.\n";
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/* No more than 45 seconds parked before you do something with them */
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static int parkingtime = 45000;
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/* Context for which parking is made accessible */
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static char parking_con[AST_MAX_EXTENSION] = "default";
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static char parking_con[AST_MAX_EXTENSION] = "parkedcalls";
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/* Extension you type to park the call */
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static char parking_ext[AST_MAX_EXTENSION] = "700";
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@@ -92,7 +113,7 @@ static int park_call(struct ast_channel *chan, struct ast_channel *peer)
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int x;
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pu = malloc(sizeof(struct parkeduser));
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if (pu) {
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pthread_mutex_lock(&parking_lock);
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ast_pthread_mutex_lock(&parking_lock);
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for (x=parking_start;x<=parking_stop;x++) {
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cur = parkinglot;
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while(cur) {
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@@ -114,7 +135,7 @@ static int park_call(struct ast_channel *chan, struct ast_channel *peer)
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pu->priority = chan->priority;
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pu->next = parkinglot;
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parkinglot = pu;
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pthread_mutex_unlock(&parking_lock);
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ast_pthread_mutex_unlock(&parking_lock);
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/* Wake up the (presumably select()ing) thread */
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pthread_kill(parking_thread, SIGURG);
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if (option_verbose > 1)
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@@ -124,7 +145,7 @@ static int park_call(struct ast_channel *chan, struct ast_channel *peer)
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} else {
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ast_log(LOG_WARNING, "No more parking spaces\n");
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free(pu);
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pthread_mutex_unlock(&parking_lock);
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ast_pthread_mutex_unlock(&parking_lock);
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return -1;
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}
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} else {
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@@ -140,6 +161,7 @@ static void *do_parking_thread(void *ignore)
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struct parkeduser *pu, *pl, *pt = NULL;
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struct timeval tv;
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struct ast_frame *f;
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int x;
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fd_set rfds, efds;
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fd_set nrfds, nefds;
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FD_ZERO(&rfds);
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@@ -147,7 +169,7 @@ static void *do_parking_thread(void *ignore)
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for (;;) {
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ms = -1;
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max = -1;
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pthread_mutex_lock(&parking_lock);
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ast_pthread_mutex_lock(&parking_lock);
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pl = NULL;
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pu = parkinglot;
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gettimeofday(&tv, NULL);
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@@ -174,43 +196,50 @@ static void *do_parking_thread(void *ignore)
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pt = pu;
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pu = pu->next;
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free(pt);
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} else if (FD_ISSET(pu->chan->fd, &rfds) || FD_ISSET(pu->chan->fd, &efds)) {
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if (FD_ISSET(pu->chan->fd, &efds))
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pu->chan->exception = 1;
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/* See if they need servicing */
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f = ast_read(pu->chan);
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if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
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/* There's a problem, hang them up*/
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if (option_verbose > 1)
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ast_verbose(VERBOSE_PREFIX_2 "%s got tired of being parked\n", pu->chan->name);
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ast_hangup(pu->chan);
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/* And take them out of the parking lot */
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if (pl)
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pl->next = pu->next;
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else
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parkinglot = pu->next;
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pt = pu;
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pu = pu->next;
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free(pt);
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} else {
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/* XXX Maybe we could do something with packets, like dial "0" for operator or something XXX */
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ast_frfree(f);
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goto std; /* XXX Ick: jumping into an else statement??? XXX */
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} else {
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for (x=0;x<AST_MAX_FDS;x++) {
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if ((pu->chan->fds[x] > -1) && (FD_ISSET(pu->chan->fds[x], &rfds) || FD_ISSET(pu->chan->fds[x], &efds))) {
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if (FD_ISSET(pu->chan->fds[x], &efds))
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pu->chan->exception = 1;
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pu->chan->fdno = x;
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/* See if they need servicing */
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f = ast_read(pu->chan);
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if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
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/* There's a problem, hang them up*/
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if (option_verbose > 1)
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ast_verbose(VERBOSE_PREFIX_2 "%s got tired of being parked\n", pu->chan->name);
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ast_hangup(pu->chan);
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/* And take them out of the parking lot */
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if (pl)
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pl->next = pu->next;
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else
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parkinglot = pu->next;
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pt = pu;
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pu = pu->next;
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free(pt);
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break;
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} else {
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/* XXX Maybe we could do something with packets, like dial "0" for operator or something XXX */
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ast_frfree(f);
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goto std; /* XXX Ick: jumping into an else statement??? XXX */
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}
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}
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}
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if (x >= AST_MAX_FDS) {
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/* Keep this one for next one */
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std: FD_SET(pu->chan->fds[x], &nrfds);
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FD_SET(pu->chan->fds[x], &nefds);
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/* Keep track of our longest wait */
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if ((tms < ms) || (ms < 0))
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ms = tms;
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if (pu->chan->fds[x] > max)
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max = pu->chan->fds[x];
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pl = pu;
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pu = pu->next;
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}
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} else {
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/* Keep this one for next one */
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std: FD_SET(pu->chan->fd, &nrfds);
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FD_SET(pu->chan->fd, &nefds);
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/* Keep track of our longest wait */
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if ((tms < ms) || (ms < 0))
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ms = tms;
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if (pu->chan->fd > max)
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max = pu->chan->fd;
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pl = pu;
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pu = pu->next;
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}
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}
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pthread_mutex_unlock(&parking_lock);
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ast_pthread_mutex_unlock(&parking_lock);
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rfds = nrfds;
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efds = nefds;
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tv.tv_sec = ms / 1000;
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@@ -236,43 +265,46 @@ static void hanguptree(struct localuser *outgoing, struct ast_channel *exception
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}
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}
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#define MAX 256
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static struct ast_channel *wait_for_answer(struct ast_channel *in, struct localuser *outgoing, int *to, int *allowredir)
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{
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fd_set rfds, efds;
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struct localuser *o;
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int found;
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int numlines;
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int sentringing = 0;
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int numbusies = 0;
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int orig = *to;
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struct timeval tv;
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struct ast_frame *f;
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struct ast_channel *peer = NULL;
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/* Watch all outgoing channels looking for an answer of some sort. */
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tv.tv_sec = *to / 1000;
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tv.tv_usec = (*to % 1000) * 1000;
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while((tv.tv_sec || tv.tv_usec) && !peer) {
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FD_ZERO(&rfds);
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FD_ZERO(&efds);
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/* Always watch the input fd */
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FD_SET(in->fd, &rfds);
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FD_SET(in->fd, &efds);
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struct ast_channel *watchers[MAX];
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int pos;
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int single;
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struct ast_channel *winner;
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single = (outgoing && !outgoing->next);
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if (single) {
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/* If we are calling a single channel, make them compatible for in-band tone purpose */
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ast_channel_make_compatible(outgoing->chan, in);
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}
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while(*to && !peer) {
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o = outgoing;
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found = -1;
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pos = 1;
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numlines = 0;
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watchers[0] = in;
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while(o) {
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/* Keep track of important channels */
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if (o->stillgoing) {
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/* Pay attention to this one */
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CHECK_BLOCKING(o->chan);
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FD_SET(o->chan->fd, &rfds);
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FD_SET(o->chan->fd, &efds);
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if (o->chan->fd > found)
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found = o->chan->fd;
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watchers[pos++] = o->chan;
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found = 1;
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}
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numlines++;
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o = o->next;
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numlines++;
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}
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/* If nobody is left, just go ahead and stop */
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if (found<0) {
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if (found < 0) {
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if (numlines == numbusies) {
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if (option_verbose > 2)
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ast_verbose( VERBOSE_PREFIX_2 "Everyone is busy at this time\n");
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@@ -283,76 +315,58 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in, struct localu
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if (option_verbose > 2)
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ast_verbose( VERBOSE_PREFIX_2 "No one is available to answer at this time\n");
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}
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break;
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}
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if (in->fd > found)
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found = in->fd;
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if (*to > -1)
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found = select(found + 1, &rfds, NULL, &efds, &tv);
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else
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found = select(found + 1, &rfds, NULL, &efds, NULL);
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if (found < 0) {
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ast_log(LOG_WARNING, "select failed, returned %d (%s)\n", errno, strerror(errno));
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*to = -1;
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o = outgoing;
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while(o) {
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if (o->stillgoing) {
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o->chan->blocking = 0;
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}
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o = o->next;
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}
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*to = 0;
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return NULL;
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}
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winner = ast_waitfor_n(watchers, pos, to);
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o = outgoing;
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while(o) {
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if (o->stillgoing) {
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o->chan->blocking = 0;
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if (FD_ISSET(o->chan->fd, &rfds) || FD_ISSET(o->chan->fd, &efds)) {
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if (FD_ISSET(o->chan->fd, &efds))
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o->chan->exception = 1;
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f = ast_read(o->chan);
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if (f) {
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if (f->frametype == AST_FRAME_CONTROL) {
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switch(f->subclass) {
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case AST_CONTROL_ANSWER:
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/* This is our guy if someone answered. */
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if (!peer) {
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if (option_verbose > 2)
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ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", o->chan->name, in->name);
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peer = o->chan;
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*allowredir = o->allowredirect;
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}
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break;
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case AST_CONTROL_BUSY:
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if (o->chan == winner) {
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f = ast_read(winner);
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if (f) {
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if (f->frametype == AST_FRAME_CONTROL) {
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switch(f->subclass) {
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case AST_CONTROL_ANSWER:
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/* This is our guy if someone answered. */
|
||||
if (!peer) {
|
||||
if (option_verbose > 2)
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ast_verbose( VERBOSE_PREFIX_3 "%s is busy\n", o->chan->name);
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o->stillgoing = 0;
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numbusies++;
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break;
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case AST_CONTROL_RINGING:
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if (option_verbose > 2)
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ast_verbose( VERBOSE_PREFIX_3 "%s is ringing\n", o->chan->name);
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break;
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case AST_CONTROL_OFFHOOK:
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/* Ignore going off hook */
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break;
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default:
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ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
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ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", o->chan->name, in->name);
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peer = o->chan;
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*allowredir = o->allowredirect;
|
||||
}
|
||||
break;
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case AST_CONTROL_BUSY:
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if (option_verbose > 2)
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ast_verbose( VERBOSE_PREFIX_3 "%s is busy\n", o->chan->name);
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o->stillgoing = 0;
|
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numbusies++;
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||||
break;
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case AST_CONTROL_RINGING:
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if (option_verbose > 2)
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ast_verbose( VERBOSE_PREFIX_3 "%s is ringing\n", o->chan->name);
|
||||
if (!sentringing) {
|
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ast_indicate(in, AST_CONTROL_RINGING);
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||||
sentringing++;
|
||||
}
|
||||
break;
|
||||
case AST_CONTROL_OFFHOOK:
|
||||
/* Ignore going off hook */
|
||||
break;
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||||
default:
|
||||
ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
|
||||
}
|
||||
ast_frfree(f);
|
||||
} else {
|
||||
o->stillgoing = 0;
|
||||
} else if (single && (f->frametype == AST_FRAME_VOICE)) {
|
||||
if (ast_write(in, f))
|
||||
ast_log(LOG_WARNING, "Unable to forward frame\n");
|
||||
}
|
||||
|
||||
ast_frfree(f);
|
||||
} else {
|
||||
o->stillgoing = 0;
|
||||
}
|
||||
}
|
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o = o->next;
|
||||
}
|
||||
if (FD_ISSET(in->fd, &rfds) || FD_ISSET(in->fd, &efds)) {
|
||||
/* After unblocking the entirity of the list, check for the main channel */
|
||||
if (FD_ISSET(in->fd, &efds))
|
||||
in->exception = 1;
|
||||
if (winner == in) {
|
||||
f = ast_read(in);
|
||||
#if 0
|
||||
if (f && (f->frametype != AST_FRAME_VOICE))
|
||||
@@ -364,12 +378,11 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in, struct localu
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if (!*to && (option_verbose > 2))
|
||||
ast_verbose( VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
|
||||
}
|
||||
if (!(tv.tv_sec || tv.tv_usec) && (option_verbose > 2))
|
||||
ast_verbose( VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
|
||||
*to = 0;
|
||||
return peer;
|
||||
|
||||
}
|
||||
|
||||
static int bridge_call(struct ast_channel *chan, struct ast_channel *peer, int allowredirect)
|
||||
@@ -381,6 +394,7 @@ static int bridge_call(struct ast_channel *chan, struct ast_channel *peer, int a
|
||||
struct ast_channel *who;
|
||||
char newext[256], *ptr;
|
||||
int res;
|
||||
struct ast_option_header *aoh;
|
||||
/* Answer if need be */
|
||||
if (chan->state != AST_STATE_UP)
|
||||
if (ast_answer(chan))
|
||||
@@ -399,6 +413,22 @@ static int bridge_call(struct ast_channel *chan, struct ast_channel *peer, int a
|
||||
res = -1;
|
||||
break;
|
||||
}
|
||||
if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_RINGING)) {
|
||||
if (who == chan)
|
||||
ast_indicate(peer, AST_CONTROL_RINGING);
|
||||
else
|
||||
ast_indicate(chan, AST_CONTROL_RINGING);
|
||||
}
|
||||
if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_OPTION)) {
|
||||
aoh = f->data;
|
||||
/* Forward option Requests */
|
||||
if (aoh && (aoh->flag == AST_OPTION_FLAG_REQUEST)) {
|
||||
if (who == chan)
|
||||
ast_channel_setoption(peer, ntohs(aoh->option), aoh->data, f->datalen - sizeof(struct ast_option_header), 0);
|
||||
else
|
||||
ast_channel_setoption(chan, ntohs(aoh->option), aoh->data, f->datalen - sizeof(struct ast_option_header), 0);
|
||||
}
|
||||
}
|
||||
if ((f->frametype == AST_FRAME_DTMF) && (who == peer) && allowredirect &&
|
||||
(f->subclass == '#')) {
|
||||
memset(newext, 0, sizeof(newext));
|
||||
@@ -438,14 +468,8 @@ static int bridge_call(struct ast_channel *chan, struct ast_channel *peer, int a
|
||||
strncpy(chan->context, peer->context, sizeof(chan->context));
|
||||
chan->priority = 0;
|
||||
ast_frfree(f);
|
||||
res=0;
|
||||
break;
|
||||
} else if (ast_exists_extension(chan, "default", newext, 1)) {
|
||||
/* Set the channel's new extension, since it exists, using peer context */
|
||||
strncpy(chan->exten, newext, sizeof(chan->exten));
|
||||
strncpy(chan->context, "default", sizeof(chan->context));
|
||||
chan->priority = 0;
|
||||
ast_frfree(f);
|
||||
if (option_verbose > 2)
|
||||
ast_verbose(VERBOSE_PREFIX_3 "Transferring %s to '%s' (context %s) priority 1\n", chan->name, chan->exten, chan->context);
|
||||
res=0;
|
||||
break;
|
||||
}
|
||||
@@ -477,7 +501,7 @@ static int park_exec(struct ast_channel *chan, void *data)
|
||||
}
|
||||
LOCAL_USER_ADD(u);
|
||||
park = atoi((char *)data);
|
||||
pthread_mutex_lock(&parking_lock);
|
||||
ast_pthread_mutex_lock(&parking_lock);
|
||||
pu = parkinglot;
|
||||
while(pu) {
|
||||
if (pu->parkingnum == park) {
|
||||
@@ -489,7 +513,7 @@ static int park_exec(struct ast_channel *chan, void *data)
|
||||
}
|
||||
pu = pu->next;
|
||||
}
|
||||
pthread_mutex_unlock(&parking_lock);
|
||||
ast_pthread_mutex_unlock(&parking_lock);
|
||||
if (pu) {
|
||||
peer = pu->chan;
|
||||
free(pu);
|
||||
@@ -531,6 +555,7 @@ static int dial_exec(struct ast_channel *chan, void *data)
|
||||
int allowredir=0;
|
||||
char numsubst[AST_MAX_EXTENSION];
|
||||
char restofit[AST_MAX_EXTENSION];
|
||||
char *transfer = NULL;
|
||||
char *newnum;
|
||||
|
||||
if (!data) {
|
||||
@@ -553,6 +578,11 @@ static int dial_exec(struct ast_channel *chan, void *data)
|
||||
if (timeout) {
|
||||
*timeout = '\0';
|
||||
timeout++;
|
||||
transfer = strchr(timeout, '|');
|
||||
if (transfer) {
|
||||
*transfer = '\0';
|
||||
transfer++;
|
||||
}
|
||||
}
|
||||
} else
|
||||
timeout = NULL;
|
||||
@@ -583,14 +613,15 @@ static int dial_exec(struct ast_channel *chan, void *data)
|
||||
ast_log(LOG_WARNING, "Out of memory\n");
|
||||
goto out;
|
||||
}
|
||||
tmp->allowredirect = 1;
|
||||
if (transfer && (strchr(transfer, 't')))
|
||||
tmp->allowredirect = 1;
|
||||
else
|
||||
tmp->allowredirect = 0;
|
||||
strncpy(numsubst, number, sizeof(numsubst));
|
||||
/* If we're dialing by extension, look at the extension to know what to dial */
|
||||
if ((newnum = strstr(numsubst, "BYEXTENSION"))) {
|
||||
strncpy(restofit, newnum + strlen("BYEXTENSION"), sizeof(restofit));
|
||||
snprintf(newnum, sizeof(numsubst) - (newnum - numsubst), "%s%s", chan->exten,restofit);
|
||||
/* By default, if we're dialing by extension, don't permit redirecting */
|
||||
tmp->allowredirect = 0;
|
||||
if (option_debug)
|
||||
ast_log(LOG_DEBUG, "Dialing by extension %s\n", numsubst);
|
||||
}
|
||||
@@ -605,8 +636,12 @@ static int dial_exec(struct ast_channel *chan, void *data)
|
||||
}
|
||||
tmp->chan->appl = "AppDial";
|
||||
tmp->chan->data = "(Outgoing Line)";
|
||||
if (tmp->chan->callerid)
|
||||
free(tmp->chan->callerid);
|
||||
if (chan->callerid)
|
||||
tmp->chan->callerid = strdup(chan->callerid);
|
||||
else
|
||||
tmp->chan->callerid = NULL;
|
||||
/* Place the call, but don't wait on the answer */
|
||||
res = ast_call(tmp->chan, numsubst, 0);
|
||||
if (res) {
|
||||
@@ -617,6 +652,7 @@ static int dial_exec(struct ast_channel *chan, void *data)
|
||||
ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
|
||||
ast_hangup(tmp->chan);
|
||||
free(tmp);
|
||||
cur = rest;
|
||||
continue;
|
||||
} else
|
||||
if (option_verbose > 2)
|
||||
@@ -630,7 +666,7 @@ static int dial_exec(struct ast_channel *chan, void *data)
|
||||
cur = rest;
|
||||
} while(cur);
|
||||
|
||||
if (timeout)
|
||||
if (timeout && strlen(timeout))
|
||||
to = atoi(timeout) * 1000;
|
||||
else
|
||||
to = -1;
|
||||
@@ -682,17 +718,20 @@ int load_module(void)
|
||||
char exten[AST_MAX_EXTENSION];
|
||||
con = ast_context_find(parking_con);
|
||||
if (!con) {
|
||||
ast_log(LOG_ERROR, "Parking context '%s' does not exist\n", parking_con);
|
||||
return -1;
|
||||
con = ast_context_create(parking_con, registrar);
|
||||
if (!con) {
|
||||
ast_log(LOG_ERROR, "Parking context '%s' does not exist and unable to create\n", parking_con);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
for(x=parking_start; x<=parking_stop;x++) {
|
||||
snprintf(exten, sizeof(exten), "%d", x);
|
||||
ast_add_extension2(con, 1, exten, 1, parkedcall, strdup(exten), free);
|
||||
ast_add_extension2(con, 1, exten, 1, parkedcall, strdup(exten), free, registrar);
|
||||
}
|
||||
pthread_create(&parking_thread, NULL, do_parking_thread, NULL);
|
||||
res = ast_register_application(parkedcall, park_exec);
|
||||
res = ast_register_application(parkedcall, park_exec, synopsis, descrip);
|
||||
if (!res)
|
||||
res = ast_register_application(app, dial_exec);
|
||||
res = ast_register_application(app, dial_exec, synopsis, descrip);
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user