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asterisk/apps/app_queue.c

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/*
* Asterisk -- A telephony toolkit for Linux.
*
* True call queues with optional send URL on answer
*
* Copyright (C) 1999, Mark Spencer
*
* Mark Spencer <markster@linux-support.net>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#include <asterisk/lock.h>
#include <asterisk/file.h>
#include <asterisk/logger.h>
#include <asterisk/channel.h>
#include <asterisk/pbx.h>
#include <asterisk/options.h>
#include <asterisk/module.h>
#include <asterisk/translate.h>
#include <asterisk/say.h>
#include <asterisk/parking.h>
#include <asterisk/musiconhold.h>
#include <asterisk/cli.h>
#include <asterisk/manager.h> /* JDG */
#include <asterisk/config.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/time.h>
#include <sys/signal.h>
#include <netinet/in.h>
#include <pthread.h>
#define DEFAULT_RETRY 5
#define DEFAULT_TIMEOUT 15
#define RECHECK 1 /* Recheck every second to see we we're at the top yet */
static char *tdesc = "True Call Queueing";
static char *app = "Queue";
static char *synopsis = "Queue a call for a call queue";
static char *descrip =
" Queue(queuename[|options[|URL][|announceoverride]]):\n"
"Queues an incoming call in a particular call queue as defined in queues.conf.\n"
" This application returns -1 if the originating channel hangs up, or if the\n"
"call is bridged and either of the parties in the bridge terminate the call.\n"
"Returns 0 if the queue is full, nonexistant, or has no members.\n"
"The option string may contain zero or more of the following characters:\n"
" 't' -- allow the called user transfer the calling user\n"
" 'T' -- to allow the calling user to transfer the call.\n"
" 'd' -- data-quality (modem) call (minimum delay).\n"
" 'H' -- allow caller to hang up by hitting *.\n"
" In addition to transferring the call, a call may be parked and then picked\n"
"up by another user.\n"
" The optionnal URL will be sent to the called party if the channel supports\n"
"it.\n";
/* We define a customer "local user" structure because we
use it not only for keeping track of what is in use but
also for keeping track of who we're dialing. */
struct localuser {
struct ast_channel *chan;
int stillgoing;
int allowredirect;
int ringbackonly;
int musiconhold;
int dataquality;
int allowdisconnect;
struct localuser *next;
};
LOCAL_USER_DECL;
struct queue_ent {
struct ast_call_queue *parent; /* What queue is our parent */
char moh[80]; /* Name of musiconhold to be used */
char announce[80]; /* Announcement to play */
char context[80]; /* Context when user exits queue */
int pos; /* Where we are in the queue */
time_t start; /* When we started holding */
struct ast_channel *chan; /* Our channel */
struct queue_ent *next; /* The next queue entry */
};
struct member {
char tech[80]; /* Technology */
char loc[256]; /* Location */
struct member *next; /* Next member */
};
struct ast_call_queue {
pthread_mutex_t lock;
char name[80]; /* Name of the queue */
char moh[80]; /* Name of musiconhold to be used */
char announce[80]; /* Announcement to play */
char context[80]; /* Announcement to play */
int announcetimeout; /* How often to announce their position */
int count; /* How many entries are in the queue */
int maxlen; /* Max number of entries in queue */
int dead; /* Whether this queue is dead or not */
int retry; /* Retry calling everyone after this amount of time */
int timeout; /* How long to wait for an answer */
struct member *members; /* Member channels to be tried */
struct queue_ent *head; /* Start of the actual queue */
struct ast_call_queue *next; /* Next call queue */
};
static struct ast_call_queue *queues = NULL;
static pthread_mutex_t qlock = AST_MUTEX_INITIALIZER;
static int join_queue(char *queuename, struct queue_ent *qe)
{
struct ast_call_queue *q;
struct queue_ent *cur, *prev = NULL;
int res = -1;
int pos = 0;
ast_pthread_mutex_lock(&qlock);
q = queues;
while(q) {
if (!strcasecmp(q->name, queuename)) {
/* This is our one */
ast_pthread_mutex_lock(&q->lock);
if (q->members && (!q->maxlen || (q->count < q->maxlen))) {
/* There's space for us, put us at the end */
prev = NULL;
cur = q->head;
while(cur) {
cur->pos = ++pos;
prev = cur;
cur = cur->next;
}
if (prev)
prev->next = qe;
else
q->head = qe;
/* Fix additional pointers and
information */
qe->next = NULL;
qe->parent = q;
qe->pos = ++pos;
strncpy(qe->moh, q->moh, sizeof(qe->moh));
strncpy(qe->announce, q->announce, sizeof(qe->announce));
strncpy(qe->context, q->context, sizeof(qe->context));
q->count++;
res = 0;
manager_event(EVENT_FLAG_CALL, "Join",
"Channel: %s\r\nQueue: %s\r\nPosition: %d\r\n",
qe->chan->name, q->name, qe->pos );
}
ast_pthread_mutex_unlock(&q->lock);
break;
}
q = q->next;
}
ast_pthread_mutex_unlock(&qlock);
return res;
}
static void free_members(struct ast_call_queue *q)
{
struct member *curm, *next;
curm = q->members;
while(curm) {
next = curm->next;
free(curm);
curm = next;
}
q->members = NULL;
}
static void destroy_queue(struct ast_call_queue *q)
{
struct ast_call_queue *cur, *prev = NULL;
ast_pthread_mutex_lock(&qlock);
cur = queues;
while(cur) {
if (cur == q) {
if (prev)
prev->next = cur->next;
else
queues = cur->next;
} else {
prev = cur;
}
cur = cur->next;
}
ast_pthread_mutex_unlock(&qlock);
free_members(q);
free(q);
}
static void leave_queue(struct queue_ent *qe)
{
struct ast_call_queue *q;
struct queue_ent *cur, *prev = NULL;
int pos = 0;
q = qe->parent;
if (!q)
return;
ast_pthread_mutex_lock(&q->lock);
/* Take us out of the queue */
manager_event(EVENT_FLAG_CALL, "Leave",
"Channel: %s\r\nQueue: %s\r\n",
qe->chan->name, q->name );
prev = NULL;
cur = q->head;
while(cur) {
if (cur == qe) {
q->count--;
/* Take us out of the queue */
if (prev)
prev->next = cur->next;
else
q->head = cur->next;
} else {
cur->pos = ++pos;
prev = cur;
}
cur = cur->next;
}
ast_pthread_mutex_unlock(&q->lock);
if (q->dead && !q->count) {
/* It's dead and nobody is in it, so kill it */
destroy_queue(q);
}
}
static void hanguptree(struct localuser *outgoing, struct ast_channel *exception)
{
/* Hang up a tree of stuff */
struct localuser *oo;
while(outgoing) {
/* Hangup any existing lines we have open */
if (outgoing->chan != exception)
ast_hangup(outgoing->chan);
oo = outgoing;
outgoing=outgoing->next;
free(oo);
}
}
#define MAX 256
static struct ast_channel *wait_for_answer(struct ast_channel *in, struct localuser *outgoing, int *to, int *allowredir, int *allowdisconnect, char *queue)
{
struct localuser *o;
int found;
int numlines;
int sentringing = 0;
int numbusies = 0;
int orig = *to;
struct ast_frame *f;
struct ast_channel *peer = NULL;
struct ast_channel *watchers[MAX];
int pos;
struct ast_channel *winner;
while(*to && !peer) {
o = outgoing;
found = -1;
pos = 1;
numlines = 0;
watchers[0] = in;
while(o) {
/* Keep track of important channels */
if (o->stillgoing) {
watchers[pos++] = o->chan;
found = 1;
}
o = o->next;
numlines++;
}
if (found < 0) {
if (numlines == numbusies) {
ast_log(LOG_DEBUG, "Everyone is busy at this time\n");
} else {
ast_log(LOG_NOTICE, "No one is answered queue %s\n", queue);
}
*to = 0;
return NULL;
}
winner = ast_waitfor_n(watchers, pos, to);
o = outgoing;
while(o) {
if (o->stillgoing && (o->chan->_state == AST_STATE_UP)) {
if (!peer) {
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", o->chan->name, in->name);
peer = o->chan;
*allowredir = o->allowredirect;
*allowdisconnect = o->allowdisconnect;
}
} else if (o->chan == winner) {
f = ast_read(winner);
if (f) {
if (f->frametype == AST_FRAME_CONTROL) {
switch(f->subclass) {
case AST_CONTROL_ANSWER:
/* This is our guy if someone answered. */
if (!peer) {
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", o->chan->name, in->name);
peer = o->chan;
*allowredir = o->allowredirect;
*allowdisconnect = o->allowdisconnect;
}
break;
case AST_CONTROL_BUSY:
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "%s is busy\n", o->chan->name);
o->stillgoing = 0;
if (in->cdr)
ast_cdr_busy(in->cdr);
numbusies++;
break;
case AST_CONTROL_CONGESTION:
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "%s is circuit-busy\n", o->chan->name);
o->stillgoing = 0;
if (in->cdr)
ast_cdr_busy(in->cdr);
numbusies++;
break;
case AST_CONTROL_RINGING:
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "%s is ringing\n", o->chan->name);
if (!sentringing) {
#if 0
ast_indicate(in, AST_CONTROL_RINGING);
#endif
sentringing++;
}
break;
case AST_CONTROL_OFFHOOK:
/* Ignore going off hook */
break;
default:
ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
}
}
ast_frfree(f);
} else {
o->stillgoing = 0;
}
}
o = o->next;
}
if (winner == in) {
f = ast_read(in);
#if 0
if (f && (f->frametype != AST_FRAME_VOICE))
printf("Frame type: %d, %d\n", f->frametype, f->subclass);
else if (!f || (f->frametype != AST_FRAME_VOICE))
printf("Hangup received on %s\n", in->name);
#endif
if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
/* Got hung up */
*to=-1;
return NULL;
}
if (f && (f->frametype == AST_FRAME_DTMF) && allowdisconnect &&
(f->subclass == '*')) {
if (option_verbose > 3)
ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
*to=0;
return NULL;
}
}
if (!*to && (option_verbose > 2))
ast_verbose( VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
}
return peer;
}
static int wait_our_turn(struct queue_ent *qe)
{
struct queue_ent *ch;
int res = 0;
for (;;) {
/* Atomically read the parent head */
pthread_mutex_lock(&qe->parent->lock);
ch = qe->parent->head;
pthread_mutex_unlock(&qe->parent->lock);
/* If we are now at the top of the head, break out */
if (qe->parent->head == qe)
break;
/* Wait a second before checking again */
res = ast_waitfordigit(qe->chan, RECHECK * 1000);
if (res)
break;
}
return res;
}
static int try_calling(struct queue_ent *qe, char *options, char *announceoverride, char *url)
{
struct member *cur;
struct localuser *outgoing=NULL, *tmp = NULL;
int to;
int allowredir=0;
int allowdisconnect=0;
char numsubst[AST_MAX_EXTENSION];
char restofit[AST_MAX_EXTENSION];
char *newnum;
struct ast_channel *peer;
int res = 0, bridge = 0;
char *announce = NULL;
/* Hold the lock while we setup the outgoing calls */
ast_pthread_mutex_lock(&qe->parent->lock);
cur = qe->parent->members;
if (strlen(qe->announce))
announce = qe->announce;
if (announceoverride && strlen(announceoverride))
announce = announceoverride;
while(cur) {
/* Get a technology/[device:]number pair */
tmp = malloc(sizeof(struct localuser));
if (!tmp) {
ast_log(LOG_WARNING, "Out of memory\n");
goto out;
}
memset(tmp, 0, sizeof(struct localuser));
if (options) {
if (strchr(options, 't'))
tmp->allowredirect = 1;
if (strchr(options, 'r'))
tmp->ringbackonly = 1;
if (strchr(options, 'm'))
tmp->musiconhold = 1;
if (strchr(options, 'd'))
tmp->dataquality = 1;
if (strchr(options, 'H'))
tmp->allowdisconnect = 1;
}
if (url) {
ast_log(LOG_DEBUG, "Queue with URL=%s_\n", url);
} else
ast_log(LOG_DEBUG, "Simple queue (no URL)\n");
strncpy(numsubst, cur->loc, sizeof(numsubst)-1);
/* 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)-1);
snprintf(newnum, sizeof(numsubst) - (newnum - numsubst), "%s%s", qe->chan->exten,restofit);
if (option_debug)
ast_log(LOG_DEBUG, "Dialing by extension %s\n", numsubst);
}
/* Request the peer */
tmp->chan = ast_request(cur->tech, qe->chan->nativeformats, numsubst);
if (!tmp->chan) {
/* If we can't, just go on to the next call */
#if 0
ast_log(LOG_NOTICE, "Unable to create channel of type '%s'\n", cur->tech);
#endif
if (qe->chan->cdr)
ast_cdr_busy(qe->chan->cdr);
free(tmp);
cur = cur->next;
continue;
}
#if 0
/* Don't honor call forwarding on a queue! */
if (strlen(tmp->chan->call_forward)) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Forwarding call to '%s@%s'\n", tmp->chan->call_forward, tmp->chan->context);
/* Setup parameters */
strncpy(chan->exten, tmp->chan->call_forward, sizeof(chan->exten));
strncpy(chan->context, tmp->chan->context, sizeof(chan->context));
chan->priority = 0;
to = 0;
ast_hangup(tmp->chan);
free(tmp);
cur = rest;
break;
}
#endif
tmp->chan->appl = "AppQueue";
tmp->chan->data = "(Outgoing Line)";
tmp->chan->whentohangup = 0;
if (tmp->chan->callerid)
free(tmp->chan->callerid);
if (tmp->chan->ani)
free(tmp->chan->ani);
if (qe->chan->callerid)
tmp->chan->callerid = strdup(qe->chan->callerid);
else
tmp->chan->callerid = NULL;
if (qe->chan->ani)
tmp->chan->ani = strdup(qe->chan->ani);
else
tmp->chan->ani = NULL;
/* Presense of ADSI CPE on outgoing channel follows ours */
tmp->chan->adsicpe = qe->chan->adsicpe;
/* Place the call, but don't wait on the answer */
res = ast_call(tmp->chan, numsubst, 0);
if (res) {
/* Again, keep going even if there's an error */
if (option_debug)
ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
else if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
ast_hangup(tmp->chan);
free(tmp);
cur = cur->next;
continue;
} else
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
/* Put them in the list of outgoing thingies... We're ready now.
XXX If we're forcibly removed, these outgoing calls won't get
hung up XXX */
tmp->stillgoing = -1;
tmp->next = outgoing;
outgoing = tmp;
/* If this line is up, don't try anybody else */
if (outgoing->chan->_state == AST_STATE_UP)
break;
cur = cur->next;
}
if (qe->parent->timeout)
to = qe->parent->timeout * 1000;
else
to = -1;
ast_pthread_mutex_unlock(&qe->parent->lock);
peer = wait_for_answer(qe->chan, outgoing, &to, &allowredir, &allowdisconnect, qe->parent->name);
if (!peer) {
if (to)
/* Musta gotten hung up */
res = -1;
else
/* Nobody answered, next please? */
res=0;
goto out;
}
if (peer) {
/* Ah ha! Someone answered within the desired timeframe. Of course after this
we will always return with -1 so that it is hung up properly after the
conversation. */
hanguptree(outgoing, peer);
/* Stop music on hold */
ast_moh_stop(qe->chan);
outgoing = NULL;
if (announce) {
int res2;
res2 = ast_streamfile(peer, announce, peer->language);
/* XXX Need a function to wait on *both* streams XXX */
if (!res2)
res2 = ast_waitstream(peer, "");
else
res2 = 0;
if (res2) {
/* Agent must have hung up */
ast_log(LOG_WARNING, "Agent on %s hungup on the customer. They're going to be pissed.\n", peer->name);
ast_hangup(peer);
return -1;
}
}
/* If appropriate, log that we have a destination channel */
if (qe->chan->cdr)
ast_cdr_setdestchan(qe->chan->cdr, peer->name);
/* Make sure channels are compatible */
res = ast_channel_make_compatible(qe->chan, peer);
if (res < 0) {
ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", qe->chan->name, peer->name);
ast_hangup(peer);
return -1;
}
if (!strcmp(qe->chan->type,"Zap")) {
int x = 2;
if (tmp->dataquality) x = 0;
ast_channel_setoption(qe->chan,AST_OPTION_TONE_VERIFY,&x,sizeof(char),0);
}
if (!strcmp(peer->type,"Zap")) {
int x = 2;
if (tmp->dataquality) x = 0;
ast_channel_setoption(peer,AST_OPTION_TONE_VERIFY,&x,sizeof(char),0);
}
/* Drop out of the queue at this point, to prepare for next caller */
leave_queue(qe);
/* JDG: sendurl */
if( url && strlen(url) && ast_channel_supports_html(peer) ) {
ast_log(LOG_DEBUG, "app_queue: sendurl=%s.\n", url);
ast_channel_sendurl( peer, url );
} /* /JDG */
bridge = ast_bridge_call(qe->chan, peer, allowredir, allowdisconnect);
ast_hangup(peer);
if( bridge == 0 ) res=1; /* JDG: bridge successfull, leave app_queue */
else res = bridge; /* bridge error, stay in the queue */
}
out:
hanguptree(outgoing, NULL);
return res;
}
static int wait_a_bit(struct queue_ent *qe)
{
int retrywait;
/* Hold the lock while we setup the outgoing calls */
ast_pthread_mutex_lock(&qe->parent->lock);
retrywait = qe->parent->retry * 1000;
ast_pthread_mutex_unlock(&qe->parent->lock);
return ast_waitfordigit(qe->chan, retrywait);
}
static int valid_exit(struct queue_ent *qe, char digit)
{
char tmp[2];
if (!strlen(qe->context))
return 0;
tmp[0] = digit;
tmp[1] = '\0';
if (ast_exists_extension(qe->chan, qe->context, tmp, 1, qe->chan->callerid)) {
strncpy(qe->chan->context, qe->context, sizeof(qe->chan->context) - 1);
strncpy(qe->chan->exten, tmp, sizeof(qe->chan->exten) - 1);
qe->chan->priority = 0;
return 1;
}
return 0;
}
static int queue_exec(struct ast_channel *chan, void *data)
{
int res=-1;
struct localuser *u;
char *queuename;
char info[512];
char *options = NULL;
char *url = NULL;
char *announceoverride = NULL;
/* Our queue entry */
struct queue_ent qe;
if (!data) {
ast_log(LOG_WARNING, "Queue requires an argument (queuename|optional timeout|optional URL)\n");
return -1;
}
LOCAL_USER_ADD(u);
/* Parse our arguments XXX Check for failure XXX */
strncpy(info, (char *)data, strlen((char *)data) + AST_MAX_EXTENSION-1);
queuename = info;
if (queuename) {
options = strchr(queuename, '|');
if (options) {
*options = '\0';
options++;
url = strchr(options, '|');
if (url) {
*url = '\0';
url++;
announceoverride = strchr(url, '|');
if (announceoverride) {
*announceoverride = '\0';
announceoverride++;
}
}
}
}
printf("queue: %s, options: %s, url: %s, announce: %s\n",
queuename, options, url, announceoverride);
/* Setup our queue entry */
memset(&qe, 0, sizeof(qe));
qe.chan = chan;
qe.start = time(NULL);
if (!join_queue(queuename, &qe)) {
/* Start music on hold */
ast_moh_start(chan, qe.moh);
for (;;) {
res = wait_our_turn(&qe);
/* If they hungup, return immediately */
if (res < 0) {
if (option_verbose > 2) {
ast_verbose(VERBOSE_PREFIX_3 "User disconnected while waiting their turn\n");
res = -1;
}
break;
}
if (!res)
break;
if (valid_exit(&qe, res))
break;
}
if (!res) {
for (;;) {
res = try_calling(&qe, options, announceoverride, url);
if (res)
break;
res = wait_a_bit(&qe);
if (res < 0) {
if (option_verbose > 2) {
ast_verbose(VERBOSE_PREFIX_3 "User disconnected when they almost made it\n");
res = -1;
}
break;
}
if (res && valid_exit(&qe, res))
break;
}
}
/* Don't allow return code > 0 */
if (res > 0)
res = 0;
ast_moh_stop(chan);
leave_queue(&qe);
} else {
ast_log(LOG_WARNING, "Unable to join queue '%s'\n", queuename);
res = 0;
}
LOCAL_USER_REMOVE(u);
return res;
}
static void reload_queues(void)
{
struct ast_call_queue *q, *ql, *qn;
struct ast_config *cfg;
char *cat, *tmp;
struct ast_variable *var;
struct member *prev, *cur;
int new;
cfg = ast_load("queues.conf");
if (!cfg) {
ast_log(LOG_NOTICE, "No call queueing config file, so no call queues\n");
return;
}
ast_pthread_mutex_lock(&qlock);
/* Mark all queues as dead for the moment */
q = queues;
while(q) {
q->dead = 1;
q = q->next;
}
/* Chug through config file */
cat = ast_category_browse(cfg, NULL);
while(cat) {
if (strcasecmp(cat, "general")) {
/* Look for an existing one */
q = queues;
while(q) {
if (!strcmp(q->name, cat))
break;
q = q->next;
}
if (!q) {
/* Make one then */
q = malloc(sizeof(struct ast_call_queue));
if (q) {
/* Initialize it */
memset(q, 0, sizeof(struct ast_call_queue));
strncpy(q->name, cat, sizeof(q->name));
new = 1;
} else new = 0;
} else
new = 0;
if (q) {
if (!new)
ast_pthread_mutex_lock(&q->lock);
/* Re-initialize the queue */
q->dead = 0;
q->retry = 0;
q->timeout = -1;
q->maxlen = 0;
free_members(q);
strcpy(q->moh, "");
strcpy(q->announce, "");
strcpy(q->context, "");
prev = NULL;
var = ast_variable_browse(cfg, cat);
while(var) {
if (!strcasecmp(var->name, "member")) {
/* Add a new member */
cur = malloc(sizeof(struct member));
if (cur) {
memset(cur, 0, sizeof(struct member));
strncpy(cur->tech, var->value, sizeof(cur->tech) - 1);
if ((tmp = strchr(cur->tech, '/')))
*tmp = '\0';
if ((tmp = strchr(var->value, '/'))) {
tmp++;
strncpy(cur->loc, tmp, sizeof(cur->loc) - 1);
} else
ast_log(LOG_WARNING, "No location at line %d of queue.conf\n", var->lineno);
if (prev)
prev->next = cur;
else
q->members = cur;
prev = cur;
}
} else if (!strcasecmp(var->name, "music")) {
strncpy(q->moh, var->value, sizeof(q->moh) - 1);
} else if (!strcasecmp(var->name, "announce")) {
strncpy(q->announce, var->value, sizeof(q->announce) - 1);
} else if (!strcasecmp(var->name, "context")) {
strncpy(q->context, var->value, sizeof(q->context) - 1);
} else if (!strcasecmp(var->name, "timeout")) {
q->timeout = atoi(var->value);
} else if (!strcasecmp(var->name, "retry")) {
q->retry = atoi(var->value);
} else if (!strcasecmp(var->name, "maxlen")) {
q->maxlen = atoi(var->value);
} else {
ast_log(LOG_WARNING, "Unknown keyword in queue '%s': %s at line %d of queue.conf\n", cat, var->name, var->lineno);
}
var = var->next;
}
if (q->retry < 1)
q->retry = DEFAULT_RETRY;
if (q->timeout < 0)
q->timeout = DEFAULT_TIMEOUT;
if (q->maxlen < 0)
q->maxlen = 0;
if (!new)
ast_pthread_mutex_unlock(&q->lock);
if (new) {
q->next = queues;
queues = q;
}
}
}
cat = ast_category_browse(cfg, cat);
}
ast_destroy(cfg);
q = queues;
ql = NULL;
while(q) {
qn = q->next;
if (q->dead) {
if (ql)
ql->next = q->next;
else
queues = q->next;
if (!q->count) {
free(q);
} else
ast_log(LOG_WARNING, "XXX Leaking a litttle memory :( XXX\n");
} else
ql = q;
q = qn;
}
ast_pthread_mutex_unlock(&qlock);
}
static int queues_show(int fd, int argc, char **argv)
{
struct ast_call_queue *q;
struct queue_ent *qe;
struct member *mem;
int pos;
time_t now;
char max[80];
time(&now);
if (argc != 2)
return RESULT_SHOWUSAGE;
q = queues;
if (!q) {
ast_cli(fd, "No queues.\n");
return RESULT_SUCCESS;
}
while(q) {
ast_pthread_mutex_lock(&q->lock);
if (q->maxlen)
snprintf(max, sizeof(max), "%d", q->maxlen);
else
strcpy(max, "unlimited");
ast_cli(fd, "%-12.12s has %d calls (max %s)\n", q->name, q->count, max);
if (q->members) {
ast_cli(fd, " Members: \n");
for (mem = q->members; mem; mem = mem->next)
ast_cli(fd, " %s/%s\n", mem->tech, mem->loc);
} else
ast_cli(fd, " No Members\n");
if (q->head) {
pos = 1;
ast_cli(fd, " Callers: \n");
for (qe = q->head; qe; qe = qe->next)
ast_cli(fd, " %d. %s (wait: %d:%02.2d)\n", pos++, qe->chan->name,
(now - qe->start) / 60, (now - qe->start) % 60);
} else
ast_cli(fd, " No Callers\n");
ast_cli(fd, "\n");
ast_pthread_mutex_unlock(&q->lock);
q = q->next;
}
return RESULT_SUCCESS;
}
/* JDG: callback to display queues status in manager */
static int manager_queues_show( struct mansession *s, struct message *m )
{
char *a[] = { "show", "queues" };
return queues_show( s->fd, 2, a );
} /* /JDG */
static char show_queues_usage[] =
"Usage: show queues\n"
" Provides summary information on call queues.\n";
static struct ast_cli_entry cli_show_queues = {
{ "show", "queues", NULL }, queues_show,
"Show status of queues", show_queues_usage, NULL };
int unload_module(void)
{
STANDARD_HANGUP_LOCALUSERS;
ast_cli_unregister(&cli_show_queues);
ast_manager_unregister( "Queues" );
return ast_unregister_application(app);
}
int load_module(void)
{
int res;
res = ast_register_application(app, queue_exec, synopsis, descrip);
if (!res) {
ast_cli_register(&cli_show_queues);
ast_manager_register( "Queues", 0, manager_queues_show, "Queues" );
}
reload_queues();
return res;
}
int reload(void)
{
reload_queues();
return 0;
}
char *description(void)
{
return tdesc;
}
int usecount(void)
{
int res;
STANDARD_USECOUNT(res);
return res;
}
char *key()
{
return ASTERISK_GPL_KEY;
}
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