125 lines
3.0 KiB
C
125 lines
3.0 KiB
C
|
/*
|
||
|
|
* Asterisk -- An open source telephony toolkit.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2013, Digium, Inc.
|
||
|
|
*
|
||
|
|
* Jonathan Rose <jrose@digium.com>
|
||
|
|
*
|
||
|
|
* See http://www.asterisk.org for more information about
|
||
|
|
* the Asterisk project. Please do not directly contact
|
||
|
|
* any of the maintainers of this project for assistance;
|
||
|
|
* the project provides a web site, mailing lists and IRC
|
||
|
|
* channels for your use.
|
||
|
|
*
|
||
|
|
* This program is free software, distributed under the terms of
|
||
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
||
|
|
* at the top of the source tree.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*! \file
|
||
|
|
*
|
||
|
|
* \brief Call Parking Device State Management
|
||
|
|
*
|
||
|
|
* \author Jonathan Rose <jrose@digium.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "asterisk.h"
|
||
|
|
#include "asterisk/logger.h"
|
||
|
|
#include "res_parking.h"
|
||
|
|
#include "asterisk/devicestate.h"
|
||
|
|
|
||
|
|
struct parking_lot_extension_inuse_search {
|
||
|
|
char *context;
|
||
|
|
int exten;
|
||
|
|
};
|
||
|
|
|
||
|
|
static int retrieve_parked_user_targeted(void *obj, void *arg, int flags)
|
||
|
|
{
|
||
|
|
int *target = arg;
|
||
|
|
struct parked_user *user = obj;
|
||
|
|
if (user->parking_space == *target) {
|
||
|
|
return CMP_MATCH;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int parking_lot_search_context_extension_inuse(void *obj, void *arg, int flags)
|
||
|
|
{
|
||
|
|
struct parking_lot *lot = obj;
|
||
|
|
struct parking_lot_extension_inuse_search *search = arg;
|
||
|
|
RAII_VAR(struct parked_user *, user, NULL, ao2_cleanup);
|
||
|
|
|
||
|
|
if (strcmp(lot->cfg->parking_con, search->context)) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((search->exten < lot->cfg->parking_start) || (search->exten > lot->cfg->parking_stop)) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
user = ao2_callback(lot->parked_users, 0, retrieve_parked_user_targeted, &search->exten);
|
||
|
|
if (!user) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
ao2_lock(user);
|
||
|
|
if (user->resolution != PARK_UNSET) {
|
||
|
|
/* The parked user isn't in an answerable state. */
|
||
|
|
ao2_unlock(user);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
ao2_unlock(user);
|
||
|
|
|
||
|
|
return CMP_MATCH;
|
||
|
|
}
|
||
|
|
|
||
|
|
static enum ast_device_state metermaidstate(const char *data)
|
||
|
|
{
|
||
|
|
struct ao2_container *global_lots = get_parking_lot_container();
|
||
|
|
RAII_VAR(struct parking_lot *, lot, NULL, ao2_cleanup);
|
||
|
|
char *context;
|
||
|
|
char *exten;
|
||
|
|
struct parking_lot_extension_inuse_search search = {};
|
||
|
|
|
||
|
|
context = ast_strdupa(data);
|
||
|
|
|
||
|
|
exten = strsep(&context, "@");
|
||
|
|
|
||
|
|
if (ast_strlen_zero(context) || ast_strlen_zero(exten)) {
|
||
|
|
return AST_DEVICE_INVALID;
|
||
|
|
}
|
||
|
|
|
||
|
|
search.context = context;
|
||
|
|
if (sscanf(exten, "%d", &search.exten) != 1) {
|
||
|
|
return AST_DEVICE_INVALID;
|
||
|
|
}
|
||
|
|
|
||
|
|
ast_debug(4, "Checking state of exten %d in context %s\n", search.exten, context);
|
||
|
|
|
||
|
|
lot = ao2_callback(global_lots, 0, parking_lot_search_context_extension_inuse, &data);
|
||
|
|
if (!lot) {
|
||
|
|
return AST_DEVICE_NOT_INUSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return AST_DEVICE_INUSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
void parking_notify_metermaids(int exten, const char *context, enum ast_device_state state)
|
||
|
|
{
|
||
|
|
ast_debug(4, "Notification of state change to metermaids %d@%s\n to state '%s'\n",
|
||
|
|
exten, context, ast_devstate2str(state));
|
||
|
|
|
||
|
|
ast_devstate_changed(state, AST_DEVSTATE_CACHABLE, "park:%d@%s", exten, context);
|
||
|
|
}
|
||
|
|
|
||
|
|
void unload_parking_devstate(void)
|
||
|
|
{
|
||
|
|
ast_devstate_prov_del("Park");
|
||
|
|
}
|
||
|
|
|
||
|
|
int load_parking_devstate(void)
|
||
|
|
{
|
||
|
|
return ast_devstate_prov_add("Park", metermaidstate);
|
||
|
|
}
|