ast_module_info->self is often needed to register items with the core. Many modules have ad-hoc code to make this pointer available to auxiliary sources. This change updates the module build process to make the needed information available to all sources in a module. ASTERISK-25056 #close Reported by: Corey Farrell Change-Id: I18c8cd58fbcb1b708425f6757becaeca9fa91815
250 lines
6.5 KiB
C
250 lines
6.5 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 Parking Core
|
|
*
|
|
* \author Jonathan Rose <jrose@digium.com>
|
|
*/
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_REGISTER_FILE()
|
|
|
|
#include "asterisk/_private.h"
|
|
#include "asterisk/astobj2.h"
|
|
#include "asterisk/pbx.h"
|
|
#include "asterisk/bridge.h"
|
|
#include "asterisk/parking.h"
|
|
#include "asterisk/channel.h"
|
|
#include "asterisk/_private.h"
|
|
#include "asterisk/module.h"
|
|
|
|
/*! \brief Message type for parked calls */
|
|
STASIS_MESSAGE_TYPE_DEFN(ast_parked_call_type);
|
|
|
|
/*! \brief Topic for parking lots */
|
|
static struct stasis_topic *parking_topic;
|
|
|
|
/*! \brief The container for the parking provider */
|
|
static AO2_GLOBAL_OBJ_STATIC(parking_provider);
|
|
|
|
static void parking_stasis_cleanup(void)
|
|
{
|
|
STASIS_MESSAGE_TYPE_CLEANUP(ast_parked_call_type);
|
|
ao2_cleanup(parking_topic);
|
|
parking_topic = NULL;
|
|
}
|
|
|
|
int ast_parking_stasis_init(void)
|
|
{
|
|
if (STASIS_MESSAGE_TYPE_INIT(ast_parked_call_type)) {
|
|
return -1;
|
|
}
|
|
|
|
parking_topic = stasis_topic_create("ast_parking");
|
|
if (!parking_topic) {
|
|
return -1;
|
|
}
|
|
ast_register_cleanup(parking_stasis_cleanup);
|
|
return 0;
|
|
}
|
|
|
|
struct stasis_topic *ast_parking_topic(void)
|
|
{
|
|
return parking_topic;
|
|
}
|
|
|
|
/*! \brief Destructor for parked_call_payload objects */
|
|
static void parked_call_payload_destructor(void *obj)
|
|
{
|
|
struct ast_parked_call_payload *park_obj = obj;
|
|
|
|
ao2_cleanup(park_obj->parkee);
|
|
ao2_cleanup(park_obj->retriever);
|
|
ast_string_field_free_memory(park_obj);
|
|
}
|
|
|
|
struct ast_parked_call_payload *ast_parked_call_payload_create(enum ast_parked_call_event_type event_type,
|
|
struct ast_channel_snapshot *parkee_snapshot, const char *parker_dial_string,
|
|
struct ast_channel_snapshot *retriever_snapshot, const char *parkinglot,
|
|
unsigned int parkingspace, unsigned long int timeout,
|
|
unsigned long int duration)
|
|
{
|
|
RAII_VAR(struct ast_parked_call_payload *, payload, NULL, ao2_cleanup);
|
|
|
|
payload = ao2_alloc(sizeof(*payload), parked_call_payload_destructor);
|
|
if (!payload) {
|
|
return NULL;
|
|
}
|
|
|
|
if (ast_string_field_init(payload, 32)) {
|
|
return NULL;
|
|
}
|
|
|
|
payload->event_type = event_type;
|
|
|
|
ao2_ref(parkee_snapshot, +1);
|
|
payload->parkee = parkee_snapshot;
|
|
|
|
if (retriever_snapshot) {
|
|
ao2_ref(retriever_snapshot, +1);
|
|
payload->retriever = retriever_snapshot;
|
|
}
|
|
|
|
if (parkinglot) {
|
|
ast_string_field_set(payload, parkinglot, parkinglot);
|
|
}
|
|
|
|
if (parker_dial_string) {
|
|
ast_string_field_set(payload, parker_dial_string, parker_dial_string);
|
|
}
|
|
|
|
payload->parkingspace = parkingspace;
|
|
payload->timeout = timeout;
|
|
payload->duration = duration;
|
|
|
|
/* Bump the ref count by one since RAII_VAR is going to eat one when we leave. */
|
|
ao2_ref(payload, +1);
|
|
return payload;
|
|
}
|
|
|
|
int ast_parking_park_bridge_channel(struct ast_bridge_channel *parkee, const char *parkee_uuid, const char *parker_uuid, const char *app_data)
|
|
{
|
|
RAII_VAR(struct ast_parking_bridge_feature_fn_table *, table,
|
|
ao2_global_obj_ref(parking_provider), ao2_cleanup);
|
|
|
|
if (!table || !table->parking_park_bridge_channel) {
|
|
return -1;
|
|
}
|
|
|
|
if (table->module) {
|
|
SCOPED_MODULE_USE(table->module);
|
|
return table->parking_park_bridge_channel(parkee, parkee_uuid, parker_uuid, app_data);
|
|
}
|
|
|
|
return table->parking_park_bridge_channel(parkee, parkee_uuid, parker_uuid, app_data);
|
|
}
|
|
|
|
int ast_parking_blind_transfer_park(struct ast_bridge_channel *parker,
|
|
const char *context, const char *exten, transfer_channel_cb parked_channel_cb,
|
|
struct transfer_channel_data *parked_channel_data)
|
|
{
|
|
RAII_VAR(struct ast_parking_bridge_feature_fn_table *, table,
|
|
ao2_global_obj_ref(parking_provider), ao2_cleanup);
|
|
|
|
if (!table || !table->parking_blind_transfer_park) {
|
|
return -1;
|
|
}
|
|
|
|
if (table->module) {
|
|
SCOPED_MODULE_USE(table->module);
|
|
return table->parking_blind_transfer_park(parker, context, exten, parked_channel_cb, parked_channel_data);
|
|
}
|
|
|
|
return table->parking_blind_transfer_park(parker, context, exten, parked_channel_cb, parked_channel_data);
|
|
}
|
|
|
|
int ast_parking_park_call(struct ast_bridge_channel *parker, char *exten, size_t length)
|
|
{
|
|
RAII_VAR(struct ast_parking_bridge_feature_fn_table *, table,
|
|
ao2_global_obj_ref(parking_provider), ao2_cleanup);
|
|
|
|
if (!table || !table->parking_park_call) {
|
|
return -1;
|
|
}
|
|
|
|
if (table->module) {
|
|
SCOPED_MODULE_USE(table->module);
|
|
return table->parking_park_call(parker, exten, length);
|
|
}
|
|
|
|
return table->parking_park_call(parker, exten, length);
|
|
}
|
|
|
|
int ast_parking_is_exten_park(const char *context, const char *exten)
|
|
{
|
|
RAII_VAR(struct ast_parking_bridge_feature_fn_table *, table,
|
|
ao2_global_obj_ref(parking_provider), ao2_cleanup);
|
|
|
|
if (!table || !table->parking_is_exten_park) {
|
|
return -1;
|
|
}
|
|
|
|
if (table->module) {
|
|
SCOPED_MODULE_USE(table->module);
|
|
return table->parking_is_exten_park(context, exten);
|
|
}
|
|
|
|
return table->parking_is_exten_park(context, exten);
|
|
}
|
|
|
|
int ast_parking_register_bridge_features(struct ast_parking_bridge_feature_fn_table *fn_table)
|
|
{
|
|
RAII_VAR(struct ast_parking_bridge_feature_fn_table *, wrapper,
|
|
ao2_global_obj_ref(parking_provider), ao2_cleanup);
|
|
|
|
if (fn_table->module_version != PARKING_MODULE_VERSION) {
|
|
ast_log(AST_LOG_WARNING, "Parking module provided incorrect parking module "
|
|
"version: %u (expected: %d)\n", fn_table->module_version, PARKING_MODULE_VERSION);
|
|
return -1;
|
|
}
|
|
|
|
if (wrapper) {
|
|
ast_log(AST_LOG_WARNING, "Parking provider already registered by %s!\n",
|
|
wrapper->module_name);
|
|
return -1;
|
|
}
|
|
|
|
wrapper = ao2_alloc(sizeof(*wrapper), NULL);
|
|
if (!wrapper) {
|
|
return -1;
|
|
}
|
|
*wrapper = *fn_table;
|
|
|
|
ao2_global_obj_replace_unref(parking_provider, wrapper);
|
|
return 0;
|
|
}
|
|
|
|
int ast_parking_unregister_bridge_features(const char *module_name)
|
|
{
|
|
RAII_VAR(struct ast_parking_bridge_feature_fn_table *, wrapper,
|
|
ao2_global_obj_ref(parking_provider), ao2_cleanup);
|
|
|
|
if (!wrapper) {
|
|
return -1;
|
|
}
|
|
|
|
if (strcmp(wrapper->module_name, module_name)) {
|
|
ast_log(AST_LOG_WARNING, "%s has not registered the parking provider\n", module_name);
|
|
return -1;
|
|
}
|
|
|
|
ao2_global_obj_release(parking_provider);
|
|
return 0;
|
|
}
|
|
|
|
int ast_parking_provider_registered(void)
|
|
{
|
|
RAII_VAR(struct ast_parking_bridge_feature_fn_table *, table,
|
|
ao2_global_obj_ref(parking_provider), ao2_cleanup);
|
|
|
|
return !!table;
|
|
}
|