![markster](/assets/img/avatar_default.png)
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@3433 f38db490-d61c-443f-a65b-d21fe96a405b
812 lines
23 KiB
C
Executable file
812 lines
23 KiB
C
Executable file
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Routines implementing call parking
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*
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* Copyright (C) 1999, Mark Spencer
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*
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* Mark Spencer <markster@linux-support.net>
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License
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*/
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#include <asterisk/lock.h>
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#include <asterisk/file.h>
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#include <asterisk/logger.h>
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#include <asterisk/channel.h>
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#include <asterisk/pbx.h>
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#include <asterisk/options.h>
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#include <asterisk/module.h>
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#include <asterisk/translate.h>
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#include <asterisk/say.h>
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#include <asterisk/channel_pvt.h>
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#include <asterisk/parking.h>
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#include <asterisk/musiconhold.h>
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#include <asterisk/config.h>
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#include <asterisk/cli.h>
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#include <asterisk/manager.h>
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#include <asterisk/utils.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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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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#define DEFAULT_PARK_TIME 45000
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static char *parkedcall = "ParkedCall";
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/* No more than 45 seconds parked before you do something with them */
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static int parkingtime = DEFAULT_PARK_TIME;
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/* Context for which parking is made accessible */
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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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static char pickup_ext[AST_MAX_EXTENSION] = "*8";
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/* First available extension for parking */
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static int parking_start = 701;
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/* Last available extension for parking */
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static int parking_stop = 750;
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/* Registrar for operations */
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static char *registrar = "res_parking";
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static char *synopsis = "Answer a parked call";
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static char *descrip = "ParkedCall(exten):"
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"Used to connect to a parked call. This Application is always\n"
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"registered internally and does not need to be explicitly added\n"
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"into the dialplan, although you should include the 'parkedcalls'\n"
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"context.\n";
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struct parkeduser {
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struct ast_channel *chan;
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struct timeval start;
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int parkingnum;
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/* Where to go if our parking time expires */
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char context[AST_MAX_EXTENSION];
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char exten[AST_MAX_EXTENSION];
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int priority;
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int parkingtime;
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struct parkeduser *next;
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};
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static struct parkeduser *parkinglot;
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AST_MUTEX_DEFINE_STATIC(parking_lock);
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static pthread_t parking_thread;
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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char *ast_parking_ext(void)
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{
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return parking_ext;
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}
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char *ast_pickup_ext(void)
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{
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return pickup_ext;
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}
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int ast_park_call(struct ast_channel *chan, struct ast_channel *peer, int timeout, int *extout)
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{
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/* We put the user in the parking list, then wake up the parking thread to be sure it looks
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after these channels too */
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struct parkeduser *pu, *cur;
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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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ast_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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if (cur->parkingnum == x)
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break;
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cur = cur->next;
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}
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if (!cur)
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break;
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}
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if (x <= parking_stop) {
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chan->appl = "Parked Call";
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chan->data = NULL;
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pu->chan = chan;
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/* Start music on hold */
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ast_moh_start(pu->chan, NULL);
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gettimeofday(&pu->start, NULL);
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pu->parkingnum = x;
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if (timeout > 0)
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pu->parkingtime = timeout;
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else
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pu->parkingtime = parkingtime;
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if (extout)
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*extout = x;
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/* Remember what had been dialed, so that if the parking
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expires, we try to come back to the same place */
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if (strlen(chan->macrocontext))
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strncpy(pu->context, chan->macrocontext, sizeof(pu->context)-1);
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else
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strncpy(pu->context, chan->context, sizeof(pu->context)-1);
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if (strlen(chan->macroexten))
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strncpy(pu->exten, chan->macroexten, sizeof(pu->exten)-1);
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else
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strncpy(pu->exten, chan->exten, sizeof(pu->exten)-1);
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if (chan->macropriority)
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pu->priority = chan->macropriority;
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else
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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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ast_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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ast_verbose(VERBOSE_PREFIX_2 "Parked %s on %d\n", pu->chan->name, pu->parkingnum);
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manager_event(EVENT_FLAG_CALL, "ParkedCall",
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"Exten: %d\r\n"
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"Channel: %s\r\n"
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"From: %s\r\n"
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"Timeout: %ld\r\n"
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"CallerID: %s\r\n"
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,pu->parkingnum, pu->chan->name, peer->name
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,(long)pu->start.tv_sec + (long)(pu->parkingtime/1000) - (long)time(NULL)
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,(pu->chan->callerid ? pu->chan->callerid : "")
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);
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if (peer)
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ast_say_digits(peer, pu->parkingnum, "", peer->language);
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return 0;
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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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ast_mutex_unlock(&parking_lock);
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return -1;
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}
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} else {
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ast_log(LOG_WARNING, "Out of memory\n");
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return -1;
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}
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return 0;
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}
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int ast_masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, int timeout, int *extout)
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{
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struct ast_channel *chan;
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struct ast_frame *f;
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/* Make a new, fake channel that we'll use to masquerade in the real one */
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chan = ast_channel_alloc(0);
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if (chan) {
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/* Let us keep track of the channel name */
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snprintf(chan->name, sizeof (chan->name), "Parked/%s",rchan->name);
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/* Make formats okay */
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chan->readformat = rchan->readformat;
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chan->writeformat = rchan->writeformat;
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ast_channel_masquerade(chan, rchan);
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/* Setup the extensions and such */
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strncpy(chan->context, rchan->context, sizeof(chan->context) - 1);
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strncpy(chan->exten, rchan->exten, sizeof(chan->exten) - 1);
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chan->priority = rchan->priority;
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/* Make the masq execute */
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f = ast_read(chan);
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if (f)
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ast_frfree(f);
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ast_park_call(chan, peer, timeout, extout);
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} else {
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ast_log(LOG_WARNING, "Unable to create parked channel\n");
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return -1;
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}
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return 0;
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}
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int ast_bridge_call(struct ast_channel *chan,struct ast_channel *peer,struct ast_bridge_config *config)
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{
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/* Copy voice back and forth between the two channels. Give the peer
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the ability to transfer calls with '#<extension' syntax. */
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int len;
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struct ast_frame *f;
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struct ast_channel *who;
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char newext[256], *ptr;
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int res;
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struct ast_option_header *aoh;
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struct ast_channel *transferer;
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struct ast_channel *transferee;
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char *transferer_real_context;
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int allowdisconnect,allowredirect_in,allowredirect_out;
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allowdisconnect = config->allowdisconnect;
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allowredirect_in = config->allowredirect_in;
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allowredirect_out = config->allowredirect_out;
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/* Answer if need be */
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if (ast_answer(chan))
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return -1;
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peer->appl = "Bridged Call";
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peer->data = chan->name;
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/* copy the userfield from the B-leg to A-leg if applicable */
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if (chan->cdr && peer->cdr && strlen(peer->cdr->userfield)) {
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char tmp[256];
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if (strlen(chan->cdr->userfield)) {
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snprintf(tmp, sizeof(tmp), "%s;%s",chan->cdr->userfield, peer->cdr->userfield);
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ast_cdr_appenduserfield(chan, tmp);
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} else
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ast_cdr_setuserfield(chan, peer->cdr->userfield);
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/* free the peer's cdr without ast_cdr_free complaining */
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free(peer->cdr);
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peer->cdr = NULL;
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}
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for (;;) {
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res = ast_channel_bridge(chan,peer,config,&f, &who);
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if (res < 0) {
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ast_log(LOG_WARNING, "Bridge failed on channels %s and %s\n", chan->name, peer->name);
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return -1;
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}
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if (!f || ((f->frametype == AST_FRAME_CONTROL) && ((f->subclass == AST_CONTROL_HANGUP) || (f->subclass == AST_CONTROL_BUSY) ||
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(f->subclass == AST_CONTROL_CONGESTION)))) {
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res = -1;
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break;
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}
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if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_RINGING)) {
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if (who == chan)
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ast_indicate(peer, AST_CONTROL_RINGING);
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else
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ast_indicate(chan, AST_CONTROL_RINGING);
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}
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if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == -1)) {
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if (who == chan)
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ast_indicate(peer, -1);
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else
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ast_indicate(chan, -1);
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}
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if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_OPTION)) {
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aoh = f->data;
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/* Forward option Requests */
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if (aoh && (aoh->flag == AST_OPTION_FLAG_REQUEST)) {
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if (who == chan)
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ast_channel_setoption(peer, ntohs(aoh->option), aoh->data, f->datalen - sizeof(struct ast_option_header), 0);
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else
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ast_channel_setoption(chan, ntohs(aoh->option), aoh->data, f->datalen - sizeof(struct ast_option_header), 0);
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}
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}
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if (f && (f->frametype == AST_FRAME_DTMF) && (who == chan) && allowdisconnect &&
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(f->subclass == '*')) {
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if (option_verbose > 3)
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ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
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res = -1;
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break;
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}
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if ((f->frametype == AST_FRAME_DTMF) &&
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((allowredirect_in && who == peer) || (allowredirect_out && who == chan)) &&
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(f->subclass == '#')) {
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if(allowredirect_in && who == peer) {
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transferer = peer;
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transferee = chan;
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}
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else {
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transferer = chan;
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transferee = peer;
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}
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/* Use the non-macro context to transfer the call */
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if(strlen(transferer->macrocontext))
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transferer_real_context=transferer->macrocontext;
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else
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transferer_real_context=transferer->context;
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/* Start autoservice on chan while we talk
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to the originator */
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ast_autoservice_start(transferee);
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ast_moh_start(transferee, NULL);
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memset(newext, 0, sizeof(newext));
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ptr = newext;
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/* Transfer */
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if ((res=ast_streamfile(transferer, "pbx-transfer", transferer->language))) {
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ast_moh_stop(transferee);
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ast_autoservice_stop(transferee);
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break;
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}
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if ((res=ast_waitstream(transferer, AST_DIGIT_ANY)) < 0) {
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ast_moh_stop(transferee);
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ast_autoservice_stop(transferee);
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break;
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}
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ast_stopstream(transferer);
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if (res > 0) {
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/* If they've typed a digit already, handle it */
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newext[0] = res;
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ptr++;
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len --;
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}
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res = 0;
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while(strlen(newext) < sizeof(newext) - 1) {
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res = ast_waitfordigit(transferer, 3000);
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if (res < 1)
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break;
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if (res == '#')
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break;
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*(ptr++) = res;
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if (!ast_matchmore_extension(transferer, transferer_real_context
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, newext, 1, transferer->callerid)) {
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break;
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}
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}
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if (res < 0) {
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ast_moh_stop(transferee);
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ast_autoservice_stop(transferee);
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break;
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}
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if (!strcmp(newext, ast_parking_ext())) {
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ast_moh_stop(transferee);
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if (ast_autoservice_stop(transferee))
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res = -1;
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else if (!ast_park_call(transferee, transferer, 0, NULL)) {
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/* We return non-zero, but tell the PBX not to hang the channel when
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the thread dies -- We have to be careful now though. We are responsible for
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hanging up the channel, else it will never be hung up! */
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if(transferer==peer)
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res=AST_PBX_KEEPALIVE;
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else
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res=AST_PBX_NO_HANGUP_PEER;
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break;
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} else {
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ast_log(LOG_WARNING, "Unable to park call %s\n", transferee->name);
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}
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/* XXX Maybe we should have another message here instead of invalid extension XXX */
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} else if (ast_exists_extension(transferee, transferer_real_context, newext, 1, transferer->callerid)) {
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ast_moh_stop(transferee);
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res=ast_autoservice_stop(transferee);
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if (!transferee->pbx) {
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/* Doh! Use our handy async_goto funcitons */
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if (option_verbose > 2)
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ast_verbose(VERBOSE_PREFIX_3 "Transferring %s to '%s' (context %s) priority 1\n"
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,transferee->name, newext, transferer_real_context);
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if (ast_async_goto(transferee, transferer_real_context, newext, 1))
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ast_log(LOG_WARNING, "Async goto fialed :(\n");
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res = -1;
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} else {
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/* Set the channel's new extension, since it exists, using transferer context */
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strncpy(transferee->exten, newext, sizeof(transferee->exten)-1);
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strncpy(transferee->context, transferer_real_context, sizeof(transferee->context)-1);
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transferee->priority = 0;
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ast_frfree(f);
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}
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break;
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} else {
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if (option_verbose > 2)
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ast_verbose(VERBOSE_PREFIX_3 "Unable to find extension '%s' in context '%s'\n", newext, transferer_real_context);
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}
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res = ast_streamfile(transferer, "pbx-invalid", transferee->language);
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if (res) {
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ast_moh_stop(transferee);
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ast_autoservice_stop(transferee);
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break;
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}
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res = ast_waitstream(transferer, AST_DIGIT_ANY);
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ast_stopstream(transferer);
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ast_moh_stop(transferee);
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res = ast_autoservice_stop(transferee);
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if (res) {
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if (option_verbose > 1)
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ast_verbose(VERBOSE_PREFIX_2 "Hungup during autoservice stop on '%s'\n", transferee->name);
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}
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} else {
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if (f && (f->frametype == AST_FRAME_DTMF)) {
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if (who == peer)
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ast_write(chan, f);
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else
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ast_write(peer, f);
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}
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#if 1
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ast_log(LOG_DEBUG, "Read from %s (%d,%d)\n", who->name, f->frametype, f->subclass);
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#endif
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}
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if (f)
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ast_frfree(f);
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}
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return res;
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}
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static void *do_parking_thread(void *ignore)
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{
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int ms, tms, max;
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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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FD_ZERO(&efds);
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for (;;) {
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ms = -1;
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max = -1;
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ast_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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FD_ZERO(&nrfds);
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FD_ZERO(&nefds);
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while(pu) {
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tms = (tv.tv_sec - pu->start.tv_sec) * 1000 + (tv.tv_usec - pu->start.tv_usec) / 1000;
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if (tms > pu->parkingtime) {
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/* They've been waiting too long, send them back to where they came. Theoretically they
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should have their original extensions and such, but we copy to be on the safe side */
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strncpy(pu->chan->exten, pu->exten, sizeof(pu->chan->exten)-1);
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strncpy(pu->chan->context, pu->context, sizeof(pu->chan->context)-1);
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pu->chan->priority = pu->priority;
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/* Stop music on hold */
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ast_moh_stop(pu->chan);
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/* Start up the PBX, or hang them up */
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if (ast_pbx_start(pu->chan)) {
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ast_log(LOG_WARNING, "Unable to restart the PBX for user on '%s', hanging them up...\n", pu->chan->name);
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ast_hangup(pu->chan);
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}
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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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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))) {
|
|
if (FD_ISSET(pu->chan->fds[x], &efds))
|
|
pu->chan->exception = 1;
|
|
pu->chan->fdno = x;
|
|
/* See if they need servicing */
|
|
f = ast_read(pu->chan);
|
|
if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
|
|
/* There's a problem, hang them up*/
|
|
if (option_verbose > 1)
|
|
ast_verbose(VERBOSE_PREFIX_2 "%s got tired of being parked\n", pu->chan->name);
|
|
ast_hangup(pu->chan);
|
|
/* And take them out of the parking lot */
|
|
if (pl)
|
|
pl->next = pu->next;
|
|
else
|
|
parkinglot = pu->next;
|
|
pt = pu;
|
|
pu = pu->next;
|
|
free(pt);
|
|
break;
|
|
} else {
|
|
/* XXX Maybe we could do something with packets, like dial "0" for operator or something XXX */
|
|
ast_frfree(f);
|
|
goto std; /* XXX Ick: jumping into an else statement??? XXX */
|
|
}
|
|
}
|
|
}
|
|
if (x >= AST_MAX_FDS) {
|
|
std: for (x=0;x<AST_MAX_FDS;x++) {
|
|
/* Keep this one for next one */
|
|
if (pu->chan->fds[x] > -1) {
|
|
FD_SET(pu->chan->fds[x], &nrfds);
|
|
FD_SET(pu->chan->fds[x], &nefds);
|
|
if (pu->chan->fds[x] > max)
|
|
max = pu->chan->fds[x];
|
|
}
|
|
}
|
|
/* Keep track of our longest wait */
|
|
if ((tms < ms) || (ms < 0))
|
|
ms = tms;
|
|
pl = pu;
|
|
pu = pu->next;
|
|
}
|
|
}
|
|
}
|
|
ast_mutex_unlock(&parking_lock);
|
|
rfds = nrfds;
|
|
efds = nefds;
|
|
tv.tv_sec = ms / 1000;
|
|
tv.tv_usec = (ms % 1000) * 1000;
|
|
/* Wait for something to happen */
|
|
ast_select(max + 1, &rfds, NULL, &efds, (ms > -1) ? &tv : NULL);
|
|
pthread_testcancel();
|
|
}
|
|
return NULL; /* Never reached */
|
|
}
|
|
|
|
static int park_exec(struct ast_channel *chan, void *data)
|
|
{
|
|
int res=0;
|
|
struct localuser *u;
|
|
struct ast_channel *peer=NULL;
|
|
struct parkeduser *pu, *pl=NULL;
|
|
int park;
|
|
int dres;
|
|
struct ast_bridge_config config;
|
|
|
|
if (!data) {
|
|
ast_log(LOG_WARNING, "Park requires an argument (extension number)\n");
|
|
return -1;
|
|
}
|
|
LOCAL_USER_ADD(u);
|
|
park = atoi((char *)data);
|
|
ast_mutex_lock(&parking_lock);
|
|
pu = parkinglot;
|
|
while(pu) {
|
|
if (pu->parkingnum == park) {
|
|
if (pl)
|
|
pl->next = pu->next;
|
|
else
|
|
parkinglot = pu->next;
|
|
break;
|
|
}
|
|
pl = pu;
|
|
pu = pu->next;
|
|
}
|
|
ast_mutex_unlock(&parking_lock);
|
|
if (pu) {
|
|
peer = pu->chan;
|
|
free(pu);
|
|
}
|
|
/* JK02: it helps to answer the channel if not already up */
|
|
if (chan->_state != AST_STATE_UP) {
|
|
ast_answer(chan);
|
|
}
|
|
|
|
if (peer) {
|
|
ast_moh_stop(peer);
|
|
res = ast_channel_make_compatible(chan, peer);
|
|
if (res < 0) {
|
|
ast_log(LOG_WARNING, "Could not make channels %s and %s compatible for bridge\n", chan->name, peer->name);
|
|
ast_hangup(peer);
|
|
return -1;
|
|
}
|
|
/* This runs sorta backwards, since we give the incoming channel control, as if it
|
|
were the person called. */
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "Channel %s connected to parked call %d\n", chan->name, park);
|
|
|
|
memset(&config,0,sizeof(struct ast_bridge_config));
|
|
config.allowredirect_in = 1;
|
|
config.allowredirect_out = 1;
|
|
config.allowdisconnect = 0;
|
|
config.timelimit = 0;
|
|
config.play_warning = 0;
|
|
config.warning_freq = 0;
|
|
config.warning_sound=NULL;
|
|
res = ast_bridge_call(chan,peer,&config);
|
|
|
|
/* Simulate the PBX hanging up */
|
|
if (res != AST_PBX_NO_HANGUP_PEER)
|
|
ast_hangup(peer);
|
|
return res;
|
|
} else {
|
|
/* XXX Play a message XXX */
|
|
dres = ast_streamfile(chan, "pbx-invalidpark", chan->language);
|
|
if (!dres)
|
|
dres = ast_waitstream(chan, "");
|
|
else {
|
|
ast_log(LOG_WARNING, "ast_streamfile of %s failed on %s\n", "pbx-invalidpark", chan->name);
|
|
dres = 0;
|
|
}
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "Channel %s tried to talk to non-existant parked call %d\n", chan->name, park);
|
|
res = -1;
|
|
}
|
|
LOCAL_USER_REMOVE(u);
|
|
return res;
|
|
}
|
|
|
|
static int handle_parkedcalls(int fd, int argc, char *argv[])
|
|
{
|
|
struct parkeduser *cur;
|
|
|
|
ast_cli(fd, "%4s %25s (%-15s %-12s %-4s) %-6s \n", "Num", "Channel"
|
|
, "Context", "Extension", "Pri", "Timeout");
|
|
|
|
ast_mutex_lock(&parking_lock);
|
|
|
|
cur=parkinglot;
|
|
while(cur) {
|
|
ast_cli(fd, "%4d %25s (%-15s %-12s %-4d) %6lds\n"
|
|
,cur->parkingnum, cur->chan->name, cur->context, cur->exten
|
|
,cur->priority, cur->start.tv_sec + (cur->parkingtime/1000) - time(NULL));
|
|
|
|
cur = cur->next;
|
|
}
|
|
|
|
ast_mutex_unlock(&parking_lock);
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static char showparked_help[] =
|
|
"Usage: show parkedcalls\n"
|
|
" Lists currently parked calls.\n";
|
|
|
|
static struct ast_cli_entry showparked =
|
|
{ { "show", "parkedcalls", NULL }, handle_parkedcalls, "Lists parked calls", showparked_help };
|
|
/* Dump lot status */
|
|
static int manager_parking_status( struct mansession *s, struct message *m )
|
|
{
|
|
struct parkeduser *cur;
|
|
char *id = astman_get_header(m,"ActionID");
|
|
char idText[256] = "";
|
|
|
|
if (id && !ast_strlen_zero(id))
|
|
snprintf(idText,256,"ActionID: %s\r\n",id);
|
|
|
|
astman_send_ack(s, m, "Parked calls will follow");
|
|
|
|
ast_mutex_lock(&parking_lock);
|
|
|
|
cur=parkinglot;
|
|
while(cur) {
|
|
ast_cli(s->fd, "Event: ParkedCall\r\n"
|
|
"Exten: %d\r\n"
|
|
"Channel: %s\r\n"
|
|
"Timeout: %ld\r\n"
|
|
"CallerID: %s\r\n"
|
|
"%s"
|
|
"\r\n"
|
|
,cur->parkingnum, cur->chan->name
|
|
,(long)cur->start.tv_sec + (long)(cur->parkingtime/1000) - (long)time(NULL)
|
|
,(cur->chan->callerid ? cur->chan->callerid : "")
|
|
,idText);
|
|
|
|
cur = cur->next;
|
|
}
|
|
|
|
ast_cli(s->fd,
|
|
"Event: ParkedCallsComplete\r\n"
|
|
"%s"
|
|
"\r\n",idText);
|
|
|
|
ast_mutex_unlock(&parking_lock);
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
|
|
|
|
int load_module(void)
|
|
{
|
|
int res;
|
|
int x;
|
|
int start, end;
|
|
struct ast_context *con;
|
|
char exten[AST_MAX_EXTENSION];
|
|
struct ast_config *cfg;
|
|
struct ast_variable *var;
|
|
|
|
ast_cli_register(&showparked);
|
|
|
|
cfg = ast_load("parking.conf");
|
|
if (cfg) {
|
|
var = ast_variable_browse(cfg, "general");
|
|
while(var) {
|
|
if (!strcasecmp(var->name, "parkext")) {
|
|
strncpy(parking_ext, var->value, sizeof(parking_ext) - 1);
|
|
} else if (!strcasecmp(var->name, "context")) {
|
|
strncpy(parking_con, var->value, sizeof(parking_con) - 1);
|
|
} else if (!strcasecmp(var->name, "parkingtime")) {
|
|
if ((sscanf(var->value, "%d", &parkingtime) != 1) || (parkingtime < 1)) {
|
|
ast_log(LOG_WARNING, "%s is not a valid parkingtime\n", var->value);
|
|
parkingtime = DEFAULT_PARK_TIME;
|
|
} else
|
|
parkingtime = parkingtime * 1000;
|
|
} else if (!strcasecmp(var->name, "parkpos")) {
|
|
if (sscanf(var->value, "%i-%i", &start, &end) != 2) {
|
|
ast_log(LOG_WARNING, "Format for parking positions is a-b, where a and b are numbers at line %d of parking.conf\n", var->lineno);
|
|
} else {
|
|
parking_start = start;
|
|
parking_stop = end;
|
|
}
|
|
}
|
|
var = var->next;
|
|
}
|
|
ast_destroy(cfg);
|
|
}
|
|
con = ast_context_find(parking_con);
|
|
if (!con) {
|
|
con = ast_context_create(NULL,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, NULL, parkedcall, strdup(exten), free, registrar);
|
|
}
|
|
pthread_create(&parking_thread, NULL, do_parking_thread, NULL);
|
|
res = ast_register_application(parkedcall, park_exec, synopsis, descrip);
|
|
if (!res) {
|
|
ast_manager_register( "ParkedCalls", 0, manager_parking_status, "List parked calls" );
|
|
}
|
|
return res;
|
|
}
|
|
|
|
int ast_pickup_call(struct ast_channel *chan)
|
|
{
|
|
struct ast_channel *cur;
|
|
int res = -1;
|
|
cur = ast_channel_walk_locked(NULL);
|
|
while(cur) {
|
|
if (!cur->pbx &&
|
|
(cur != chan) &&
|
|
(chan->pickupgroup & cur->callgroup) &&
|
|
((cur->_state == AST_STATE_RINGING) ||
|
|
(cur->_state == AST_STATE_RING))) {
|
|
break;
|
|
}
|
|
ast_mutex_unlock(&cur->lock);
|
|
cur = ast_channel_walk_locked(cur);
|
|
}
|
|
if (cur) {
|
|
ast_log(LOG_DEBUG, "Call pickup on chan '%s' by '%s'\n",cur->name, chan->name);
|
|
res = ast_answer(chan);
|
|
if (res)
|
|
ast_log(LOG_WARNING, "Unable to answer '%s'\n", chan->name);
|
|
res = ast_queue_control(chan, AST_CONTROL_ANSWER);
|
|
if (res)
|
|
ast_log(LOG_WARNING, "Unable to queue answer on '%s'\n", chan->name);
|
|
res = ast_channel_masquerade(cur, chan);
|
|
if (res)
|
|
ast_log(LOG_WARNING, "Unable to masquerade '%s' into '%s'\n", chan->name, cur->name); /* Done */
|
|
ast_mutex_unlock(&cur->lock);
|
|
} else {
|
|
ast_log(LOG_DEBUG, "No call pickup possible...\n");
|
|
}
|
|
return res;
|
|
}
|
|
|
|
int unload_module(void)
|
|
{
|
|
STANDARD_HANGUP_LOCALUSERS;
|
|
|
|
ast_manager_unregister( "ParkedCalls" );
|
|
ast_cli_unregister(&showparked);
|
|
|
|
return ast_unregister_application(parkedcall);
|
|
}
|
|
|
|
char *description(void)
|
|
{
|
|
return "Call Parking Resource";
|
|
}
|
|
|
|
int usecount(void)
|
|
{
|
|
/* Never allow parking to be unloaded because it will
|
|
unresolve needed symbols in the dialer */
|
|
#if 0
|
|
int res;
|
|
STANDARD_USECOUNT(res);
|
|
return res;
|
|
#else
|
|
return 1;
|
|
#endif
|
|
}
|
|
|
|
char *key()
|
|
{
|
|
return ASTERISK_GPL_KEY;
|
|
}
|