app_queue.c

	/* Parse our arguments XXX Check for failure XXX */
	strncpy(info, (char *) data, sizeof(info) - 1);
	queuename = strsep(&info_ptr, "|");
	options = strsep(&info_ptr, "|");
	url = strsep(&info_ptr, "|");
	announceoverride = strsep(&info_ptr, "|");
	queuetimeoutstr = info_ptr;

	/* set the expire time based on the supplied timeout; */
	if (queuetimeoutstr)
		qe.expire = qe.start + atoi(queuetimeoutstr);
	else
		qe.expire = 0;

	/* Get the priority from the variable ${QUEUE_PRIO} */
	user_priority = pbx_builtin_getvar_helper(chan, "QUEUE_PRIO");
	if (user_priority) {
		if (sscanf(user_priority, "%d", &prio) == 1) {
			if (option_debug)
				ast_log(LOG_DEBUG, "%s: Got priority %d from ${QUEUE_PRIO}.\n",
								chan->name, prio);
		} else {
			ast_log(LOG_WARNING, "${QUEUE_PRIO}: Invalid value (%s), channel %s.\n",
							user_priority, chan->name);
			prio = 0;
		}
	} else {
		if (option_debug > 2)
			ast_log(LOG_DEBUG, "NO QUEUE_PRIO variable found. Using default.\n");
		prio = 0;
	}

	if (options) {
		if (strchr(options, 'r')) {
			ringing = 1;
		}
	}

	if (option_debug)  
		ast_log(LOG_DEBUG, "queue: %s, options: %s, url: %s, announce: %s, expires: %ld, priority: %d\n",
				queuename, options, url, announceoverride, (long)qe.expire, (int)prio);

	qe.chan = chan;
	qe.prio = (int)prio;
	qe.last_pos_said = 0;
	qe.last_pos = 0;
	if (!join_queue(queuename, &qe)) {
		ast_queue_log(queuename, chan->uniqueid, "NONE", "ENTERQUEUE", "%s|%s", url ? url : "", chan->cid.cid_num ? chan->cid.cid_num : "");
		/* Start music on hold */
check_turns:
		if (ringing) {
			ast_indicate(chan, AST_CONTROL_RINGING);
		} else {              
			ast_moh_start(chan, qe.moh);
		}
		for (;;) {
			/* This is the wait loop for callers 2 through maxlen */

			res = wait_our_turn(&qe, ringing);
			/* If they hungup, return immediately */
			if (res < 0) {
				/* Record this abandoned call */
				record_abandoned(&qe);
				ast_queue_log(queuename, chan->uniqueid, "NONE", "ABANDON", "%d|%d|%ld", qe.pos, qe.opos, (long)time(NULL) - qe.start);
				if (option_verbose > 2) {
					ast_verbose(VERBOSE_PREFIX_3 "User disconnected from queue %s while waiting their turn\n", queuename);
					res = -1;
				}
				break;
			}
			if (!res) 
				break;
			if (valid_exit(&qe, res)) {
				ast_queue_log(queuename, chan->uniqueid, "NONE", "EXITWITHKEY", "%c|%d", res, qe.pos);
				break;
			}
		}
		if (!res) {
			int makeannouncement = 0;
			for (;;) {
				/* This is the wait loop for the head caller*/
				/* To exit, they may get their call answered; */
				/* they may dial a digit from the queue context; */
				/* or, they may timeout. */

				/* Leave if we have exceeded our queuetimeout */
				if (qe.expire && (time(NULL) > qe.expire)) {
					res = 0;
					break;
				}

				if (makeannouncement) {
					/* Make a position announcement, if enabled */
					if (qe.parent->announcefrequency && !ringing)
						say_position(&qe);
				}
				makeannouncement = 1;

				/* Try calling all queue members for 'timeout' seconds */
				res = try_calling(&qe, options, announceoverride, url, &go_on);
				if (res) {
					if (res < 0) {
						if (!qe.handled)
							ast_queue_log(queuename, chan->uniqueid, "NONE", "ABANDON", "%d|%d|%ld", qe.pos, qe.opos, (long)time(NULL) - qe.start);
					} else if (res > 0)
						ast_queue_log(queuename, chan->uniqueid, "NONE", "EXITWITHKEY", "%c|%d", res, qe.pos);
					break;
				}

				/* leave the queue if no agents, if enabled */
				if (ast_test_flag(qe.parent, QUEUE_FLAG_LEAVEWHENEMPTY) && has_no_members(qe.parent)) {
					res = 0;
					break;
				}

				/* Leave if we have exceeded our queuetimeout */
				if (qe.expire && (time(NULL) > qe.expire)) {
					res = 0;
					break;
				}

				/* OK, we didn't get anybody; wait for 'retry' seconds; may get a digit to exit with */
				res = wait_a_bit(&qe);
				if (res < 0) {
					ast_queue_log(queuename, chan->uniqueid, "NONE", "ABANDON", "%d|%d|%ld", qe.pos, qe.opos, (long)time(NULL) - qe.start);
					if (option_verbose > 2) {
						ast_verbose(VERBOSE_PREFIX_3 "User disconnected from queue %s when they almost made it\n", queuename);
						res = -1;
					}
					break;
				}
				if (res && valid_exit(&qe, res)) {
					ast_queue_log(queuename, chan->uniqueid, "NONE", "EXITWITHKEY", "%c|%d", res, qe.pos);
					break;
				}
				/* exit after 'timeout' cycle if 'n' option enabled */
				if (go_on) {
					if (option_verbose > 2) {
						ast_verbose(VERBOSE_PREFIX_3 "Exiting on time-out cycle\n");
						res = -1;
					}
					ast_queue_log(queuename, chan->uniqueid, "NONE", "EXITWITHTIMEOUT", "%d", qe.pos);
					res = 0;
					break;
				}
				/* Since this is a priority queue and 
				 * it is not sure that we are still at the head
				 * of the queue, go and check for our turn again.
				 */
				if (!is_our_turn(&qe)) {
					if (option_debug)
						ast_log(LOG_DEBUG, "Darn priorities, going back in queue (%s)!\n",
								qe.chan->name);
					goto check_turns;
				}
			}
		}
		/* Don't allow return code > 0 */
		if (res >= 0 && res != AST_PBX_KEEPALIVE) {
			res = 0;	
			if (ringing) {
				ast_indicate(chan, -1);
			} else {
				ast_moh_stop(chan);
			}			
			ast_stopstream(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;
	char *general_val = NULL;
	
	cfg = ast_load("queues.conf");
	if (!cfg) {
		ast_log(LOG_NOTICE, "No call queueing config file (queues.conf), so no call queues\n");
		return;
	}
	ast_mutex_lock(&qlock);
	use_weight=0;
	/* Mark all queues as dead for the moment */
	q = queues;
	while(q) {
		ast_set_flag(q, QUEUE_FLAG_DEAD);
		q = q->next;
	}
	/* Chug through config file */
	cat = ast_category_browse(cfg, NULL);
	while(cat) {
		if (strcasecmp(cat, "general")) {	/* Define queue */
			/* 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));
					ast_mutex_init(&q->lock);
					strncpy(q->name, cat, sizeof(q->name) - 1);
					new = 1;
				} else new = 0;
			} else
					new = 0;
			if (q) {
				if (!new) 
					ast_mutex_lock(&q->lock);
				/* Re-initialize the queue */
				ast_clear_flag(q, QUEUE_FLAG_DEAD);
				q->retry = 0;
				q->timeout = -1;
				q->maxlen = 0;
				q->announcefrequency = 0;
				q->announceholdtime = 0;
				q->roundingseconds = 0; /* Default - don't announce seconds */
				q->holdtime = 0;
				q->callscompleted = 0;
				q->callsabandoned = 0;
				q->callscompletedinsl = 0;
				q->servicelevel = 0;
				q->wrapuptime = 0;
				free_members(q, 0);
				q->moh[0] = '\0';
				q->announce[0] = '\0';
				q->context[0] = '\0';
				q->monfmt[0] = '\0';
				strncpy(q->sound_next, "queue-youarenext", sizeof(q->sound_next) - 1);
				strncpy(q->sound_thereare, "queue-thereare", sizeof(q->sound_thereare) - 1);
				strncpy(q->sound_calls, "queue-callswaiting", sizeof(q->sound_calls) - 1);
				strncpy(q->sound_holdtime, "queue-holdtime", sizeof(q->sound_holdtime) - 1);
				strncpy(q->sound_minutes, "queue-minutes", sizeof(q->sound_minutes) - 1);
				strncpy(q->sound_seconds, "queue-seconds", sizeof(q->sound_seconds) - 1);
				strncpy(q->sound_thanks, "queue-thankyou", sizeof(q->sound_thanks) - 1);
				strncpy(q->sound_lessthan, "queue-less-than", sizeof(q->sound_lessthan) - 1);
				strncpy(q->sound_reporthold, "queue-reporthold", sizeof(q->sound_reporthold) - 1);
				prev = q->members;
				if (prev) {
					/* find the end of any dynamic members */
					while(prev->next)
						prev = prev->next;
				}
				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->interface, var->value, sizeof(cur->interface) - 1);
							if ((tmp = strchr(cur->interface, ','))) {
								*tmp = '\0';
								tmp++;
								cur->penalty = atoi(tmp);
								if (cur->penalty < 0)
									cur->penalty = 0;
							}
							if (!strchr(cur->interface, '/'))
								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") || !strcasecmp(var->name, "musiconhold")) {
						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, "monitor-join")) {
						ast_set2_flag(q, ast_true(var->value), QUEUE_FLAG_MONJOIN);
					} else if (!strcasecmp(var->name, "monitor-format")) {
						strncpy(q->monfmt, var->value, sizeof(q->monfmt) - 1);
					} else if (!strcasecmp(var->name, "queue-youarenext")) {
						strncpy(q->sound_next, var->value, sizeof(q->sound_next) - 1);
					} else if (!strcasecmp(var->name, "queue-thereare")) {
						strncpy(q->sound_thereare, var->value, sizeof(q->sound_thereare) - 1);
					} else if (!strcasecmp(var->name, "queue-callswaiting")) {
						strncpy(q->sound_calls, var->value, sizeof(q->sound_calls) - 1);
					} else if (!strcasecmp(var->name, "queue-holdtime")) {
						strncpy(q->sound_holdtime, var->value, sizeof(q->sound_holdtime) - 1);
					} else if (!strcasecmp(var->name, "queue-minutes")) {
						strncpy(q->sound_minutes, var->value, sizeof(q->sound_minutes) - 1);
					} else if (!strcasecmp(var->name, "queue-seconds")) {
						strncpy(q->sound_seconds, var->value, sizeof(q->sound_seconds) - 1);
					} else if (!strcasecmp(var->name, "queue-lessthan")) {
						strncpy(q->sound_lessthan, var->value, sizeof(q->sound_lessthan) - 1);
					} else if (!strcasecmp(var->name, "queue-thankyou")) {
						strncpy(q->sound_thanks, var->value, sizeof(q->sound_thanks) - 1);
					} else if (!strcasecmp(var->name, "queue-reporthold")) {
						strncpy(q->sound_reporthold, var->value, sizeof(q->sound_reporthold) - 1);
					} else if (!strcasecmp(var->name, "announce-frequency")) {
						q->announcefrequency = atoi(var->value);
					} else if (!strcasecmp(var->name, "announce-round-seconds")) {
						q->roundingseconds = atoi(var->value);
						if(q->roundingseconds>60 || q->roundingseconds<0) {
							ast_log(LOG_WARNING, "'%s' isn't a valid value for queue-rounding-seconds using 0 instead at line %d of queue.conf\n", var->value, var->lineno);
							q->roundingseconds=0;
						}
					} else if (!strcasecmp(var->name, "announce-holdtime")) {
						q->announceholdtime = (!strcasecmp(var->value,"once")) ? 1 : ast_true(var->value);
					} else if (!strcasecmp(var->name, "retry")) {
						q->retry = atoi(var->value);
					} else if (!strcasecmp(var->name, "wrapuptime")) {
						q->wrapuptime = atoi(var->value);
					} else if (!strcasecmp(var->name, "maxlen")) {
						q->maxlen = atoi(var->value);
					} else if (!strcasecmp(var->name, "servicelevel")) {
						q->servicelevel= atoi(var->value);
					} else if (!strcasecmp(var->name, "strategy")) {
						q->strategy = strat2int(var->value);
						if (q->strategy < 0) {
							ast_log(LOG_WARNING, "'%s' isn't a valid strategy, using ringall instead\n", var->value);
							q->strategy = 0;
						}
					} else if (!strcasecmp(var->name, "joinempty")) {
						ast_set2_flag(q, ast_true(var->value), QUEUE_FLAG_JOINEMPTY);
					} else if (!strcasecmp(var->name, "leavewhenempty")) {
						ast_set2_flag(q, ast_true(var->value), QUEUE_FLAG_LEAVEWHENEMPTY);
					} else if (!strcasecmp(var->name, "eventwhencalled")) {
						ast_set2_flag(q, ast_true(var->value), QUEUE_FLAG_EVENTWHENCALLED);
					} else if (!strcasecmp(var->name, "reportholdtime")) {
						ast_set2_flag(q, ast_true(var->value), QUEUE_FLAG_REPORTHOLDTIME);
					} else if (!strcasecmp(var->name, "memberdelay")) {
						q->memberdelay = atoi(var->value);
					} else if (!strcasecmp(var->name, "weight")) {
						q->weight = atoi(var->value);
						if (q->weight)
							use_weight++;
					} 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_mutex_unlock(&q->lock);
				if (new) {
					q->next = queues;
					queues = q;
				}
			}
		} else {	
			/* Initialize global settings */
			queue_persistent_members = 0;
			if ((general_val = ast_variable_retrieve(cfg, "general", "persistentmembers")))
			    queue_persistent_members = ast_true(general_val);
		}
		cat = ast_category_browse(cfg, cat);
	}
	ast_destroy(cfg);
	q = queues;
	ql = NULL;
	while(q) {
		qn = q->next;
		if (ast_test_flag(q, QUEUE_FLAG_DEAD)) {
			if (ql)
				ql->next = q->next;
			else
				queues = q->next;
			if (!q->count) {
				free(q);
			} else
				ast_log(LOG_WARNING, "XXX Leaking a little memory :( XXX\n");
		} else {
			for (cur = q->members; cur; cur = cur->next)
				cur->status = ast_device_state(cur->interface);
			ql = q;
		}
		q = qn;
	}
	ast_mutex_unlock(&qlock);
}

static char *status2str(int status, char *buf, int buflen)
{
	switch(status) {
	case AST_DEVICE_UNKNOWN:
		strncpy(buf, "unknown", buflen - 1);
		break;
	case AST_DEVICE_NOT_INUSE:
		strncpy(buf, "notinuse", buflen - 1);
		break;
	case AST_DEVICE_INUSE:
		strncpy(buf, "inuse", buflen - 1);
		break;
	case AST_DEVICE_BUSY:
		strncpy(buf, "busy", buflen - 1);
		break;
	case AST_DEVICE_INVALID:
		strncpy(buf, "invalid", buflen - 1);
		break;
	case AST_DEVICE_UNAVAILABLE:
		strncpy(buf, "unavailable", buflen - 1);
		break;
	default:
		snprintf(buf, buflen, "unknown status %d", status);
	}
	return buf;
}

static int __queues_show(int fd, int argc, char **argv, int queue_show)
{
	struct ast_call_queue *q;
	struct queue_ent *qe;
	struct member *mem;
	int pos;
	time_t now;
	char max[80] = "";
	char calls[80] = "";
	char tmpbuf[80] = "";
	float sl = 0;

	time(&now);
	if ((!queue_show && argc != 2) || (queue_show && argc != 3))
		return RESULT_SHOWUSAGE;
	ast_mutex_lock(&qlock);
	q = queues;
	if (!q) {	
		ast_mutex_unlock(&qlock);
		if (queue_show)
			ast_cli(fd, "No such queue: %s.\n",argv[2]);
		else
			ast_cli(fd, "No queues.\n");
		return RESULT_SUCCESS;
	}
	while(q) {
		ast_mutex_lock(&q->lock);
		if (queue_show) {
			if (strcasecmp(q->name, argv[2]) != 0) {
				ast_mutex_unlock(&q->lock);
				q = q->next;
				if (!q) {
					ast_cli(fd, "No such queue: %s.\n",argv[2]);
					break;
				}
				continue;
			}
		}
		if (q->maxlen)
			snprintf(max, sizeof(max), "%d", q->maxlen);
		else
			strncpy(max, "unlimited", sizeof(max) - 1);
		sl = 0;
		if(q->callscompleted > 0)
			sl = 100*((float)q->callscompletedinsl/(float)q->callscompleted);
		ast_cli(fd, "%-12.12s has %d calls (max %s) in '%s' strategy (%ds holdtime), W:%d, C:%d, A:%d, SL:%2.1f%% within %ds\n",
			q->name, q->count, max, int2strat(q->strategy), q->holdtime, q->weight, q->callscompleted, q->callsabandoned,sl,q->servicelevel);
		if (q->members) {
			ast_cli(fd, "   Members: \n");
			for (mem = q->members; mem; mem = mem->next) {
				if (mem->penalty)
					snprintf(max, sizeof(max) - 20, " with penalty %d", mem->penalty);
				else
					max[0] = '\0';
				if (mem->dynamic)
					strncat(max, " (dynamic)", sizeof(max) - strlen(max) - 1);
				if (mem->status)
					snprintf(max + strlen(max), sizeof(max) - strlen(max), " (%s)", status2str(mem->status, tmpbuf, sizeof(tmpbuf)));
				if (mem->calls) {
					snprintf(calls, sizeof(calls), " has taken %d calls (last was %ld secs ago)",
							mem->calls, (long)(time(NULL) - mem->lastcall));
				} else
					strncpy(calls, " has taken no calls yet", sizeof(calls) - 1);
				ast_cli(fd, "      %s%s%s\n", mem->interface, max, calls);
			}
		} 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: %ld:%2.2ld, prio: %d)\n", pos++, qe->chan->name,
								(long)(now - qe->start) / 60, (long)(now - qe->start) % 60, qe->prio);
		} else
			ast_cli(fd, "   No Callers\n");
		ast_cli(fd, "\n");
		ast_mutex_unlock(&q->lock);
		q = q->next;
		if (queue_show)
			break;
	}
	ast_mutex_unlock(&qlock);
	return RESULT_SUCCESS;
}

static int queues_show(int fd, int argc, char **argv)
{
	return __queues_show(fd, argc, argv, 0);
}

static int queue_show(int fd, int argc, char **argv)
{
	return __queues_show(fd, argc, argv, 1);
}

static char *complete_queue(char *line, char *word, int pos, int state)
{
	struct ast_call_queue *q;
	int which=0;
	
	ast_mutex_lock(&qlock);
	for (q = queues; q; q = q->next) {
		if (!strncasecmp(word, q->name, strlen(word))) {
			if (++which > state)
				break;
		}
	}
	ast_mutex_unlock(&qlock);
	return q ? strdup(q->name) : NULL;
}

/* 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);
} 


/* Dump queue status */
static int manager_queues_status( struct mansession *s, struct message *m )
{
	time_t now;
	int pos;
	char *id = astman_get_header(m,"ActionID");
	char idText[256] = "";
	struct ast_call_queue *q;
	struct queue_ent *qe;
	float sl = 0;
	struct member *mem;

	astman_send_ack(s, m, "Queue status will follow");
	time(&now);
	ast_mutex_lock(&qlock);
	if (!ast_strlen_zero(id)) {
		snprintf(idText,256,"ActionID: %s\r\n",id);
	}
	for (q = queues; q; q = q->next) {
		ast_mutex_lock(&q->lock);

		/* List queue properties */
		if(q->callscompleted > 0)
			sl = 100*((float)q->callscompletedinsl/(float)q->callscompleted);
		ast_mutex_lock(&s->lock);
		ast_cli(s->fd, "Event: QueueParams\r\n"
					"Queue: %s\r\n"
					"Max: %d\r\n"
					"Calls: %d\r\n"
					"Holdtime: %d\r\n"
					"Completed: %d\r\n"
					"Abandoned: %d\r\n"
					"ServiceLevel: %d\r\n"
					"ServicelevelPerf: %2.1f\r\n"
					"Weight: %d\r\n"
					"%s"
					"\r\n",
						q->name, q->maxlen, q->count, q->holdtime, q->callscompleted,
						q->callsabandoned, q->servicelevel, sl, q->weight, idText);

		/* List Queue Members */
		for (mem = q->members; mem; mem = mem->next) 
			ast_cli(s->fd, "Event: QueueMember\r\n"
				"Queue: %s\r\n"
				"Location: %s\r\n"
				"Membership: %s\r\n"
				"Penalty: %d\r\n"
				"CallsTaken: %d\r\n"
				"LastCall: %ld\r\n"
				"Status: %d\r\n"
				"%s"
				"\r\n",
					q->name, mem->interface, mem->dynamic ? "dynamic" : "static",
					mem->penalty, mem->calls, mem->lastcall, mem->status, idText);

		/* List Queue Entries */

		pos = 1;
		for (qe = q->head; qe; qe = qe->next) 
			ast_cli(s->fd, "Event: QueueEntry\r\n"
				"Queue: %s\r\n"
				"Position: %d\r\n"
				"Channel: %s\r\n"
				"CallerID: %s\r\n"
				"CallerIDName: %s\r\n"
				"Wait: %ld\r\n"
				"%s"
				"\r\n", 
					q->name, pos++, qe->chan->name, 
					qe->chan->cid.cid_num ? qe->chan->cid.cid_num : "unknown",
					qe->chan->cid.cid_name ? qe->chan->cid.cid_name : "unknown",
					(long)(now - qe->start), idText);
		ast_mutex_unlock(&s->lock);
		ast_mutex_unlock(&q->lock);
	}
	ast_mutex_unlock(&qlock);
	return RESULT_SUCCESS;
}

static int manager_add_queue_member(struct mansession *s, struct message *m)
{
	char *queuename, *interface, *penalty_s;
	int penalty = 0;

	queuename = astman_get_header(m, "Queue");
	interface = astman_get_header(m, "Interface");
	penalty_s = astman_get_header(m, "Penalty");

	if (ast_strlen_zero(queuename)) {
		astman_send_error(s, m, "'Queue' not specified.");
		return 0;
	}

	if (ast_strlen_zero(interface)) {
		astman_send_error(s, m, "'Interface' not specified.");
		return 0;
	}

	if (ast_strlen_zero(penalty_s))
		penalty = 0;
	else if (sscanf(penalty_s, "%d", &penalty) != 1) {
		penalty = 0;
	}

	switch (add_to_queue(queuename, interface, penalty)) {
	case RES_OKAY:
		astman_send_ack(s, m, "Added interface to queue");
		break;
	case RES_EXISTS:
		astman_send_error(s, m, "Unable to add interface: Already there");
		break;
	case RES_NOSUCHQUEUE:
		astman_send_error(s, m, "Unable to add interface to queue: No such queue");
		break;
	case RES_OUTOFMEMORY:
		astman_send_error(s, m, "Out of memory");
		break;
	}
	return 0;
}

static int manager_remove_queue_member(struct mansession *s, struct message *m)
{
	char *queuename, *interface;

	queuename = astman_get_header(m, "Queue");
	interface = astman_get_header(m, "Interface");

	if (ast_strlen_zero(queuename) || ast_strlen_zero(interface)) {
		astman_send_error(s, m, "Need 'Queue' and 'Interface' parameters.");
		return 0;
	}

	switch (remove_from_queue(queuename, interface)) {
	case RES_OKAY:
		astman_send_ack(s, m, "Removed interface from queue");
		break;
	case RES_EXISTS:
		astman_send_error(s, m, "Unable to remove interface: Not there");
		break;
	case RES_NOSUCHQUEUE:
		astman_send_error(s, m, "Unable to remove interface from queue: No such queue");
		break;
	case RES_OUTOFMEMORY:
		astman_send_error(s, m, "Out of memory");
		break;
	}
	return 0;
}

static int handle_add_queue_member(int fd, int argc, char *argv[])
{
	char *queuename, *interface;
	int penalty;

	if ((argc != 6) && (argc != 8)) {
		return RESULT_SHOWUSAGE;
	} else if (strcmp(argv[4], "to")) {
		return RESULT_SHOWUSAGE;
	} else if ((argc == 8) && strcmp(argv[6], "penalty")) {
		return RESULT_SHOWUSAGE;
	}

	queuename = argv[5];
	interface = argv[3];
	if (argc == 8) {
		if (sscanf(argv[7], "%d", &penalty) == 1) {
			if (penalty < 0) {
				ast_cli(fd, "Penalty must be >= 0\n");
				penalty = 0;
			}
		} else {
			ast_cli(fd, "Penalty must be an integer >= 0\n");
			penalty = 0;
		}
	} else {
		penalty = 0;
	}

	switch (add_to_queue(queuename, interface, penalty)) {
	case RES_OKAY:
		ast_cli(fd, "Added interface '%s' to queue '%s'\n", interface, queuename);
		return RESULT_SUCCESS;
	case RES_EXISTS:
		ast_cli(fd, "Unable to add interface '%s' to queue '%s': Already there\n", interface, queuename);
		return RESULT_FAILURE;
	case RES_NOSUCHQUEUE:
		ast_cli(fd, "Unable to add interface to queue '%s': No such queue\n", queuename);
		return RESULT_FAILURE;
	case RES_OUTOFMEMORY:
		ast_cli(fd, "Out of memory\n");
		return RESULT_FAILURE;
	default:
		return RESULT_FAILURE;
	}
}

static char *complete_add_queue_member(char *line, char *word, int pos, int state)
{
	/* 0 - add; 1 - queue; 2 - member; 3 - <member>; 4 - to; 5 - <queue>; 6 - penalty; 7 - <penalty> */
	switch (pos) {
	case 3:
		/* Don't attempt to complete name of member (infinite possibilities) */
		return NULL;
	case 4:
		if (state == 0) {
			return strdup("to");
		} else {
			return NULL;
		}
	case 5:
		/* No need to duplicate code */
		return complete_queue(line, word, pos, state);
	case 6:
		if (state == 0) {
			return strdup("penalty");
		} else {
			return NULL;
		}
	case 7:
		if (state < 100) {	/* 0-99 */
			char *num = malloc(3);
			if (num) {
				sprintf(num, "%d", state);
			}
			return num;
		} else {
			return NULL;
		}
	default:
		return NULL;
	}
}

static int handle_remove_queue_member(int fd, int argc, char *argv[])
{
	char *queuename, *interface;

	if (argc != 6) {
		return RESULT_SHOWUSAGE;
	} else if (strcmp(argv[4], "from")) {
		return RESULT_SHOWUSAGE;
	}

	queuename = argv[5];
	interface = argv[3];

	switch (remove_from_queue(queuename, interface)) {
	case RES_OKAY:
		ast_cli(fd, "Removed interface '%s' from queue '%s'\n", interface, queuename);
		return RESULT_SUCCESS;
	case RES_EXISTS:
		ast_cli(fd, "Unable to remove interface '%s' from queue '%s': Not there\n", interface, queuename);
		return RESULT_FAILURE;
	case RES_NOSUCHQUEUE:
		ast_cli(fd, "Unable to remove interface from queue '%s': No such queue\n", queuename);
		return RESULT_FAILURE;
	case RES_OUTOFMEMORY:
		ast_cli(fd, "Out of memory\n");
		return RESULT_FAILURE;
	default:
		return RESULT_FAILURE;
	}
}

static char *complete_remove_queue_member(char *line, char *word, int pos, int state)
{
	int which = 0;
	struct ast_call_queue *q;
	struct member *m;

	/* 0 - add; 1 - queue; 2 - member; 3 - <member>; 4 - to; 5 - <queue> */
	if ((pos > 5) || (pos < 3)) {
		return NULL;
	}
	if (pos == 4) {
		if (state == 0) {
			return strdup("from");
		} else {
			return NULL;
		}
	}

	if (pos == 5) {
		/* No need to duplicate code */
		return complete_queue(line, word, pos, state);
	}

	if (queues != NULL) {
		for (q = queues ; q ; q = q->next) {
			ast_mutex_lock(&q->lock);
			for (m = q->members ; m ; m = m->next) {
				if (++which > state) {
					ast_mutex_unlock(&q->lock);
					return strdup(m->interface);
				}
			}
			ast_mutex_unlock(&q->lock);
		}
	}
	return NULL;
}

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 };

static char show_queue_usage[] = 
"Usage: show queue\n"
"       Provides summary information on a specified queue.\n";

static struct ast_cli_entry cli_show_queue = {
	{ "show", "queue", NULL }, queue_show, 
	"Show status of a specified queue", show_queue_usage, complete_queue };

static char aqm_cmd_usage[] =
"Usage: add queue member <channel> to <queue> [penalty <penalty>]\n";

static struct ast_cli_entry cli_add_queue_member = {
	{ "add", "queue", "member", NULL }, handle_add_queue_member,
	"Add a channel to a specified queue", aqm_cmd_usage, complete_add_queue_member };

static char rqm_cmd_usage[] =
"Usage: remove queue member <channel> from <queue>\n";

static struct ast_cli_entry cli_remove_queue_member = {
	{ "remove", "queue", "member", NULL }, handle_remove_queue_member,
	"Removes a channel from a specified queue", rqm_cmd_usage, complete_remove_queue_member };

int unload_module(void)
{
	STANDARD_HANGUP_LOCALUSERS;
	ast_cli_unregister(&cli_show_queue);
	ast_cli_unregister(&cli_show_queues);
	ast_cli_unregister(&cli_add_queue_member);
	ast_cli_unregister(&cli_remove_queue_member);
	ast_manager_unregister("Queues");
	ast_manager_unregister("QueueStatus");
	ast_manager_unregister("QueueAdd");
	ast_manager_unregister("QueueRemove");
	ast_devstate_del(statechange_queue, NULL);
	ast_unregister_application(app_aqm);
	ast_unregister_application(app_rqm);
	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_queue);
		ast_cli_register(&cli_show_queues);
		ast_cli_register(&cli_add_queue_member);
		ast_cli_register(&cli_remove_queue_member);
		ast_devstate_add(statechange_queue, NULL);
		ast_manager_register( "Queues", 0, manager_queues_show, "Queues" );
		ast_manager_register( "QueueStatus", 0, manager_queues_status, "Queue Status" );
		ast_manager_register( "QueueAdd", EVENT_FLAG_AGENT, manager_add_queue_member, "Add interface to queue." );
		ast_manager_register( "QueueRemove", EVENT_FLAG_AGENT, manager_remove_queue_member, "Remove interface from queue." );
		ast_register_application(app_aqm, aqm_exec, app_aqm_synopsis, app_aqm_descrip) ;
		ast_register_application(app_rqm, rqm_exec, app_rqm_synopsis, app_rqm_descrip) ;
	}
	reload_queues();
	
	if (queue_persistent_members)
	    reload_queue_members();

	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;
}