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606b469551
freeswitch/src/switch_loadable_module.c
Michael Jerris 606b469551 declaration after code. 
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5082 d0543943-73ff-0310-b7d9-9358b9ac24b2
2007-05-04 00:14:12 +00:00

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/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
*
*
* switch_loadable_module.c -- Loadable Modules
*
*/
#include <switch.h>
/* for apr_pstrcat */
#include <apr_strings.h>
/* for apr_env_get and apr_env_set */
#include <apr_env.h>
/* for apr file and directory handling */
#include <apr_file_io.h>
struct switch_loadable_module {
char *key;
char *filename;
int perm;
const switch_loadable_module_interface_t *module_interface;
void *lib;
switch_module_load_t switch_module_load;
switch_module_runtime_t switch_module_runtime;
switch_module_shutdown_t switch_module_shutdown;
switch_memory_pool_t *pool;
};
struct switch_loadable_module_container {
switch_hash_t *module_hash;
switch_hash_t *endpoint_hash;
switch_hash_t *codec_hash;
switch_hash_t *dialplan_hash;
switch_hash_t *timer_hash;
switch_hash_t *application_hash;
switch_hash_t *api_hash;
switch_hash_t *file_hash;
switch_hash_t *speech_hash;
switch_hash_t *asr_hash;
switch_hash_t *directory_hash;
switch_hash_t *chat_hash;
switch_hash_t *say_hash;
switch_hash_t *management_hash;
switch_mutex_t *mutex;
switch_memory_pool_t *pool;
};
static struct switch_loadable_module_container loadable_modules;
static void do_shutdown(switch_loadable_module_t *module);
static void *switch_loadable_module_exec(switch_thread_t * thread, void *obj)
{
switch_status_t status = SWITCH_STATUS_SUCCESS;
switch_core_thread_session_t *ts = obj;
switch_loadable_module_t *module = ts->objs[0];
int restarts;
assert(thread != NULL);
assert(module != NULL);
for (restarts = 0; status != SWITCH_STATUS_TERM; restarts++) {
status = module->switch_module_runtime();
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Thread ended for %s\n", module->module_interface->module_name);
if (ts->pool) {
switch_memory_pool_t *pool = ts->pool;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Destroying Pool for %s\n", module->module_interface->module_name);
switch_core_destroy_memory_pool(&pool);
}
switch_yield(1000000);
return NULL;
}
static void switch_loadable_module_runtime(void)
{
switch_hash_index_t *hi;
void *val;
switch_loadable_module_t *module;
switch_mutex_lock(loadable_modules.mutex);
for (hi = switch_hash_first(loadable_modules.pool, loadable_modules.module_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
module = (switch_loadable_module_t *) val;
if (module->switch_module_runtime) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Starting runtime thread for %s\n", module->module_interface->module_name);
switch_core_launch_thread(switch_loadable_module_exec, module, loadable_modules.pool);
}
}
switch_mutex_unlock(loadable_modules.mutex);
}
static switch_status_t switch_loadable_module_process(char *key, switch_loadable_module_t *new_module)
{
switch_event_t *event;
new_module->key = switch_core_strdup(new_module->pool, key);
switch_mutex_lock(loadable_modules.mutex);
switch_core_hash_insert(loadable_modules.module_hash, key, new_module);
if (new_module->module_interface->endpoint_interface) {
const switch_endpoint_interface_t *ptr;
for (ptr = new_module->module_interface->endpoint_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load endpoint interface from %s due to no interface name.\n", key);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding Endpoint '%s'\n", ptr->interface_name);
switch_core_hash_insert(loadable_modules.endpoint_hash, ptr->interface_name, (const void *) ptr);
}
}
}
if (new_module->module_interface->codec_interface) {
const switch_codec_implementation_t *impl;
const switch_codec_interface_t *ptr;
for (ptr = new_module->module_interface->codec_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load codec interface from %s due to no interface name.\n", key);
} else {
unsigned load_interface = 1;
for (impl = ptr->implementations; impl; impl = impl->next) {
if (!impl->iananame) {
load_interface = 0;
break;
}
}
if (!load_interface) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
"Failed to load codec interface %s from %s due to no iana name in an implementation.\n", ptr->interface_name, key);
} else {
for (impl = ptr->implementations; impl; impl = impl->next) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE,
"Adding Codec '%s' (%s) %dhz %dms\n",
impl->iananame, ptr->interface_name, impl->samples_per_second, impl->microseconds_per_frame / 1000);
if (!switch_core_hash_find(loadable_modules.codec_hash, impl->iananame)) {
switch_core_hash_insert(loadable_modules.codec_hash, impl->iananame, (const void *) ptr);
}
}
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "codec");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
}
}
}
}
if (new_module->module_interface->dialplan_interface) {
const switch_dialplan_interface_t *ptr;
for (ptr = new_module->module_interface->dialplan_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load dialplan interface from %s due to no interface name.\n", key);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding Dialplan '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "dialplan");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_insert(loadable_modules.dialplan_hash, ptr->interface_name, (const void *) ptr);
}
}
}
if (new_module->module_interface->timer_interface) {
const switch_timer_interface_t *ptr;
for (ptr = new_module->module_interface->timer_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load timer interface from %s due to no interface name.\n", key);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding Timer '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "timer");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_insert(loadable_modules.timer_hash, ptr->interface_name, (const void *) ptr);
}
}
}
if (new_module->module_interface->application_interface) {
const switch_application_interface_t *ptr;
for (ptr = new_module->module_interface->application_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load application interface from %s due to no interface name.\n", key);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding Application '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "application");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "description", "%s", switch_str_nil(ptr->short_desc));
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "syntax", "%s", switch_str_nil(ptr->syntax));
switch_event_fire(&event);
}
switch_core_hash_insert(loadable_modules.application_hash, ptr->interface_name, (const void *) ptr);
}
}
}
if (new_module->module_interface->api_interface) {
const switch_api_interface_t *ptr;
for (ptr = new_module->module_interface->api_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load api interface from %s due to no interface name.\n", key);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding API Function '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "api");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "description", "%s", switch_str_nil(ptr->desc));
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "syntax", "%s", switch_str_nil(ptr->syntax));
switch_event_fire(&event);
}
switch_core_hash_insert(loadable_modules.api_hash, ptr->interface_name, (const void *) ptr);
}
}
}
if (new_module->module_interface->file_interface) {
const switch_file_interface_t *ptr;
for (ptr = new_module->module_interface->file_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load file interface from %s due to no interface name.\n", key);
} else {
int i;
for (i = 0; ptr->extens[i]; i++) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding File Format '%s'\n", ptr->extens[i]);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "file");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->extens[i]);
switch_event_fire(&event);
}
switch_core_hash_insert(loadable_modules.file_hash, ptr->extens[i], (const void *) ptr);
}
}
}
}
if (new_module->module_interface->speech_interface) {
const switch_speech_interface_t *ptr;
for (ptr = new_module->module_interface->speech_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load speech interface from %s due to no interface name.\n", key);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding Speech interface '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "speech");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_insert(loadable_modules.speech_hash, ptr->interface_name, (const void *) ptr);
}
}
}
if (new_module->module_interface->asr_interface) {
const switch_asr_interface_t *ptr;
for (ptr = new_module->module_interface->asr_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load asr interface from %s due to no interface name.\n", key);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding Asr interface '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "asr");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_insert(loadable_modules.asr_hash, ptr->interface_name, (const void *) ptr);
}
}
}
if (new_module->module_interface->directory_interface) {
const switch_directory_interface_t *ptr;
for (ptr = new_module->module_interface->directory_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load directory interface from %s due to no interface name.\n", key);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding Directory interface '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "directory");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_insert(loadable_modules.directory_hash, ptr->interface_name, (const void *) ptr);
}
}
}
if (new_module->module_interface->chat_interface) {
const switch_chat_interface_t *ptr;
for (ptr = new_module->module_interface->chat_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load chat interface from %s due to no interface name.\n", key);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding Chat interface '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "chat");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_insert(loadable_modules.chat_hash, ptr->interface_name, (const void *) ptr);
}
}
}
if (new_module->module_interface->say_interface) {
const switch_say_interface_t *ptr;
for (ptr = new_module->module_interface->say_interface; ptr; ptr = ptr->next) {
if (!ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load say interface from %s due to no interface name.\n", key);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding Say interface '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "say");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_insert(loadable_modules.say_hash, ptr->interface_name, (const void *) ptr);
}
}
}
if (new_module->module_interface->management_interface) {
const switch_management_interface_t *ptr;
for (ptr = new_module->module_interface->management_interface; ptr; ptr = ptr->next) {
if (!ptr->relative_oid) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to load management interface from %s due to no interface name.\n", key);
} else {
if (switch_core_hash_find(loadable_modules.management_hash, ptr->relative_oid)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
"Failed to load management interface %s. OID %s already exists\n", key, ptr->relative_oid);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE,
"Adding Management interface '%s' OID[%s.%s]\n", key, FREESWITCH_OID_PREFIX, ptr->relative_oid);
switch_core_hash_insert(loadable_modules.management_hash, ptr->relative_oid, (const void *) ptr);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "management");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->relative_oid);
switch_event_fire(&event);
}
}
}
}
}
switch_mutex_unlock(loadable_modules.mutex);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t switch_loadable_module_unprocess(switch_loadable_module_t *old_module)
{
switch_event_t *event;
switch_mutex_lock(loadable_modules.mutex);
switch_core_hash_delete(loadable_modules.module_hash, old_module->key);
if (old_module->module_interface->endpoint_interface) {
const switch_endpoint_interface_t *ptr;
for (ptr = old_module->module_interface->endpoint_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deleting Endpoint '%s'\n", ptr->interface_name);
switch_core_hash_delete(loadable_modules.endpoint_hash, ptr->interface_name);
}
}
}
if (old_module->module_interface->codec_interface) {
const switch_codec_implementation_t *impl;
const switch_codec_interface_t *ptr;
for (ptr = old_module->module_interface->codec_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
unsigned load_interface = 1;
for (impl = ptr->implementations; impl; impl = impl->next) {
if (!impl->iananame) {
load_interface = 0;
break;
}
}
if (load_interface) {
for (impl = ptr->implementations; impl; impl = impl->next) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE,
"Deleting Codec '%s' (%s) %dhz %dms\n",
impl->iananame, ptr->interface_name, impl->samples_per_second, impl->microseconds_per_frame / 1000);
if (switch_core_hash_find(loadable_modules.codec_hash, impl->iananame)) {
switch_core_hash_delete(loadable_modules.codec_hash, impl->iananame);
}
}
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "codec");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
}
}
}
}
if (old_module->module_interface->dialplan_interface) {
const switch_dialplan_interface_t *ptr;
for (ptr = old_module->module_interface->dialplan_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deleting Dialplan '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "dialplan");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_delete(loadable_modules.dialplan_hash, ptr->interface_name);
}
}
}
if (old_module->module_interface->timer_interface) {
const switch_timer_interface_t *ptr;
for (ptr = old_module->module_interface->timer_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deleting Timer '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "timer");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_delete(loadable_modules.timer_hash, ptr->interface_name);
}
}
}
if (old_module->module_interface->application_interface) {
const switch_application_interface_t *ptr;
for (ptr = old_module->module_interface->application_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deleting Application '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "application");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "description", "%s", switch_str_nil(ptr->short_desc));
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "syntax", "%s", switch_str_nil(ptr->syntax));
switch_event_fire(&event);
}
switch_core_hash_delete(loadable_modules.application_hash, ptr->interface_name);
}
}
}
if (old_module->module_interface->api_interface) {
const switch_api_interface_t *ptr;
for (ptr = old_module->module_interface->api_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deleting API Function '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "api");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "description", "%s", switch_str_nil(ptr->desc));
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "syntax", "%s", switch_str_nil(ptr->syntax));
switch_event_fire(&event);
}
switch_core_hash_delete(loadable_modules.api_hash, ptr->interface_name);
}
}
}
if (old_module->module_interface->file_interface) {
const switch_file_interface_t *ptr;
for (ptr = old_module->module_interface->file_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
int i;
for (i = 0; ptr->extens[i]; i++) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deleting File Format '%s'\n", ptr->extens[i]);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "file");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->extens[i]);
switch_event_fire(&event);
}
switch_core_hash_delete(loadable_modules.file_hash, ptr->extens[i]);
}
}
}
}
if (old_module->module_interface->speech_interface) {
const switch_speech_interface_t *ptr;
for (ptr = old_module->module_interface->speech_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deleting Speech interface '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "speech");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_delete(loadable_modules.speech_hash, ptr->interface_name);
}
}
}
if (old_module->module_interface->asr_interface) {
const switch_asr_interface_t *ptr;
for (ptr = old_module->module_interface->asr_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deleting Asr interface '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "asr");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_delete(loadable_modules.asr_hash, ptr->interface_name);
}
}
}
if (old_module->module_interface->directory_interface) {
const switch_directory_interface_t *ptr;
for (ptr = old_module->module_interface->directory_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deleting Directory interface '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "directory");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_delete(loadable_modules.directory_hash, ptr->interface_name);
}
}
}
if (old_module->module_interface->chat_interface) {
const switch_chat_interface_t *ptr;
for (ptr = old_module->module_interface->chat_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deleting Chat interface '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "chat");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_delete(loadable_modules.chat_hash, ptr->interface_name);
}
}
}
if (old_module->module_interface->say_interface) {
const switch_say_interface_t *ptr;
for (ptr = old_module->module_interface->say_interface; ptr; ptr = ptr->next) {
if (ptr->interface_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Deleting Say interface '%s'\n", ptr->interface_name);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "say");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->interface_name);
switch_event_fire(&event);
}
switch_core_hash_delete(loadable_modules.say_hash, ptr->interface_name);
}
}
}
if (old_module->module_interface->management_interface) {
const switch_management_interface_t *ptr;
for (ptr = old_module->module_interface->management_interface; ptr; ptr = ptr->next) {
if (ptr->relative_oid) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE,
"Deleting Management interface '%s' OID[%s.%s]\n", old_module->key, FREESWITCH_OID_PREFIX, ptr->relative_oid);
switch_core_hash_delete(loadable_modules.management_hash, ptr->relative_oid);
if (switch_event_create(&event, SWITCH_EVENT_MODULE_UNLOAD) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "type", "management");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "name", "%s", ptr->relative_oid);
switch_event_fire(&event);
}
}
}
}
switch_mutex_unlock(loadable_modules.mutex);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t switch_loadable_module_load_file(char *filename, switch_loadable_module_t **new_module)
{
switch_loadable_module_t *module = NULL;
switch_dso_handle_t *dso = NULL;
apr_status_t status = SWITCH_STATUS_SUCCESS;
switch_dso_handle_sym_t load_function_handle = NULL;
switch_dso_handle_sym_t shutdown_function_handle = NULL;
switch_dso_handle_sym_t runtime_function_handle = NULL;
switch_module_load_t load_func_ptr = NULL;
int loading = 1;
const char *err = NULL;
switch_loadable_module_interface_t *module_interface = NULL;
char derr[512] = "";
switch_memory_pool_t *pool;
assert(filename != NULL);
*new_module = NULL;
status = switch_dso_load(&dso, filename, loadable_modules.pool);
if (switch_core_new_memory_pool(&pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "OH OH no pool\n");
abort();
}
while (loading) {
if (status != APR_SUCCESS) {
switch_dso_error(dso, derr, sizeof(derr));
err = derr;
break;
}
status = switch_dso_sym(&load_function_handle, dso, "switch_module_load");
load_func_ptr = (switch_module_load_t) (intptr_t) load_function_handle;
if (load_func_ptr == NULL) {
err = "Cannot locate symbol 'switch_module_load' please make sure this is a vaild module.";
break;
}
status = load_func_ptr(&module_interface, filename);
if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_NOUNLOAD) {
err = "Module load routine returned an error";
module_interface = NULL;
break;
}
if ((module = switch_core_alloc(pool, sizeof(switch_loadable_module_t))) == 0) {
err = "Could not allocate memory\n";
abort();
}
if (status == SWITCH_STATUS_NOUNLOAD) {
module->perm++;
}
loading = 0;
}
if (err) {
if (pool) {
switch_core_destroy_memory_pool(&pool);
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Loading module %s\n**%s**\n", filename, err);
return SWITCH_STATUS_GENERR;
}
module->pool = pool;
module->filename = switch_core_strdup(module->pool, filename);
module->module_interface = module_interface;
module->switch_module_load = load_func_ptr;
switch_dso_sym(&shutdown_function_handle, dso, "switch_module_shutdown");
module->switch_module_shutdown = (switch_module_shutdown_t) (intptr_t) shutdown_function_handle;
switch_dso_sym(&runtime_function_handle, dso, "switch_module_runtime");
module->switch_module_runtime = (switch_module_runtime_t) (intptr_t) runtime_function_handle;
module->lib = dso;
*new_module = module;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Successfully Loaded [%s]\n", module_interface->module_name);
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_loadable_module_load_module(char *dir, char *fname, switch_bool_t runtime, const char **err)
{
switch_size_t len = 0;
char *path;
char *file;
switch_loadable_module_t *new_module = NULL;
switch_status_t status;
#ifdef WIN32
const char *ext = ".dll";
#elif defined (MACOSX) || defined (DARWIN)
const char *ext = ".dylib";
#else
const char *ext = ".so";
#endif
if ((file = switch_core_strdup(loadable_modules.pool, fname)) == 0) {
return SWITCH_STATUS_FALSE;
}
if (*file == '/') {
path = switch_core_strdup(loadable_modules.pool, file);
} else {
if (strchr(file, '.')) {
len = strlen(dir);
len += strlen(file);
len += 4;
path = (char *) switch_core_alloc(loadable_modules.pool, len);
snprintf(path, len, "%s%s%s", dir, SWITCH_PATH_SEPARATOR, file);
} else {
len = strlen(dir);
len += strlen(file);
len += 8;
path = (char *) switch_core_alloc(loadable_modules.pool, len);
snprintf(path, len, "%s%s%s%s", dir, SWITCH_PATH_SEPARATOR, file, ext);
}
}
switch_mutex_lock(loadable_modules.mutex);
if (switch_core_hash_find(loadable_modules.module_hash, file)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Module %s Already Loaded!\n", file);
*err = "Module already loadedn\n";
status = SWITCH_STATUS_FALSE;
} else if ((status = switch_loadable_module_load_file(path, &new_module) == SWITCH_STATUS_SUCCESS)) {
if ((status = switch_loadable_module_process((char *) file, new_module)) == SWITCH_STATUS_SUCCESS && runtime) {
if (new_module->switch_module_runtime) {
switch_core_launch_thread(switch_loadable_module_exec, new_module, new_module->pool);
}
}
}
switch_mutex_unlock(loadable_modules.mutex);
return status;
}
SWITCH_DECLARE(switch_status_t) switch_loadable_module_unload_module(char *dir, char *fname, const char **err)
{
switch_size_t len = 0;
char *path = NULL;
char *file = NULL;
switch_loadable_module_t *module = NULL;
switch_status_t status = SWITCH_STATUS_SUCCESS;
#ifdef WIN32
const char *ext = ".dll";
#elif defined (MACOSX) || defined (DARWIN)
const char *ext = ".dylib";
#else
const char *ext = ".so";
#endif
if (!(file = strdup(fname))) {
abort();
}
if (*file == '/') {
path = strdup(file);
} else {
if (strchr(file, '.')) {
len = strlen(dir);
len += strlen(file);
len += 4;
path = (char *) switch_core_alloc(loadable_modules.pool, len);
snprintf(path, len, "%s%s%s", dir, SWITCH_PATH_SEPARATOR, file);
} else {
len = strlen(dir);
len += strlen(file);
len += 8;
path = (char *) malloc(len);
snprintf(path, len, "%s%s%s%s", dir, SWITCH_PATH_SEPARATOR, file, ext);
}
}
switch_mutex_lock(loadable_modules.mutex);
if ((module = switch_core_hash_find(loadable_modules.module_hash, file))) {
if (module->perm) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Module is not unloadable.\n");
*err = "Module is not unloadable";
status = SWITCH_STATUS_NOUNLOAD;
} else {
do_shutdown(module);
}
} else {
status = SWITCH_STATUS_FALSE;
}
switch_mutex_unlock(loadable_modules.mutex);
switch_safe_free(file);
switch_safe_free(path);
return status;
}
SWITCH_DECLARE(switch_status_t) switch_loadable_module_build_dynamic(char *filename,
switch_module_load_t switch_module_load,
switch_module_runtime_t switch_module_runtime,
switch_module_shutdown_t switch_module_shutdown)
{
switch_loadable_module_t *module = NULL;
switch_module_load_t load_func_ptr = NULL;
int loading = 1;
const char *err = NULL;
switch_loadable_module_interface_t *module_interface = NULL;
switch_memory_pool_t *pool;
if (switch_core_new_memory_pool(&pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "OH OH no pool\n");
abort();
}
if ((module = switch_core_alloc(pool, sizeof(switch_loadable_module_t))) == 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Couldn't allocate memory\n");
abort();
}
while (loading) {
switch_status_t status;
load_func_ptr = (switch_module_load_t) switch_module_load;
if (load_func_ptr == NULL) {
err = "Cannot Load";
break;
}
status = load_func_ptr(&module_interface, filename);
if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_NOUNLOAD) {
err = "Module load routine returned an error";
module_interface = NULL;
break;
}
if ((module = switch_core_alloc(pool, sizeof(switch_loadable_module_t))) == 0) {
err = "Could not allocate memory\n";
abort();
}
if (status == SWITCH_STATUS_NOUNLOAD) {
module->perm++;
}
loading = 0;
}
if (err) {
switch_core_destroy_memory_pool(&pool);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Error Loading module %s\n**%s**\n", filename, err);
return SWITCH_STATUS_GENERR;
}
module->pool = pool;
module->filename = switch_core_strdup(module->pool, filename);
module->module_interface = module_interface;
module->switch_module_load = load_func_ptr;
if (switch_module_shutdown) {
module->switch_module_shutdown = switch_module_shutdown;
}
if (switch_module_runtime) {
module->switch_module_runtime = switch_module_runtime;
}
if (module->switch_module_runtime) {
switch_core_launch_thread(switch_loadable_module_exec, module, module->pool);
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Successfully Loaded [%s]\n", module_interface->module_name);
return switch_loadable_module_process((char *) module->filename, module);
}
#ifdef WIN32
static void switch_loadable_module_path_init()
{
char *path = NULL, *working = NULL;
apr_dir_t *perl_dir_handle = NULL;
apr_env_get(&path, "path", loadable_modules.pool);
apr_filepath_get(&working, APR_FILEPATH_NATIVE, loadable_modules.pool);
if (apr_dir_open(&perl_dir_handle, ".\\perl", loadable_modules.pool) == APR_SUCCESS) {
apr_dir_close(perl_dir_handle);
apr_env_set("path", apr_pstrcat(loadable_modules.pool, path, ";", working, "\\perl", NULL), loadable_modules.pool);
}
}
#endif
SWITCH_DECLARE(switch_status_t) switch_loadable_module_init()
{
apr_finfo_t finfo = { 0 };
apr_dir_t *module_dir_handle = NULL;
apr_int32_t finfo_flags = APR_FINFO_DIRENT | APR_FINFO_TYPE | APR_FINFO_NAME;
char *cf = "modules.conf";
char *pcf = "post_load_modules.conf";
switch_xml_t cfg, xml;
unsigned char all = 0;
unsigned int count = 0;
const char *err;
#ifdef WIN32
const char *ext = ".dll";
const char *EXT = ".DLL";
#elif defined (MACOSX) || defined (DARWIN)
const char *ext = ".dylib";
const char *EXT = ".DYLIB";
#else
const char *ext = ".so";
const char *EXT = ".SO";
#endif
memset(&loadable_modules, 0, sizeof(loadable_modules));
switch_core_new_memory_pool(&loadable_modules.pool);
#ifdef WIN32
switch_loadable_module_path_init();
#endif
switch_core_hash_init(&loadable_modules.module_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.endpoint_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.codec_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.timer_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.application_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.api_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.file_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.speech_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.asr_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.directory_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.chat_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.say_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.management_hash, loadable_modules.pool);
switch_core_hash_init(&loadable_modules.dialplan_hash, loadable_modules.pool);
switch_mutex_init(&loadable_modules.mutex, SWITCH_MUTEX_NESTED, loadable_modules.pool);
if ((xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_xml_t mods, ld;
if ((mods = switch_xml_child(cfg, "modules"))) {
for (ld = switch_xml_child(mods, "load"); ld; ld = ld->next) {
const char *val = switch_xml_attr_soft(ld, "module");
if (strchr(val, '.') && !strstr(val, ext) && !strstr(val, EXT)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Invalid extension for %s\n", val);
continue;
}
switch_loadable_module_load_module((char *) SWITCH_GLOBAL_dirs.mod_dir, (char *) val, SWITCH_FALSE, &err);
count++;
}
}
switch_xml_free(xml);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "open of %s failed\n", cf);
}
if ((xml = switch_xml_open_cfg(pcf, &cfg, NULL))) {
switch_xml_t mods, ld;
if ((mods = switch_xml_child(cfg, "modules"))) {
for (ld = switch_xml_child(mods, "load"); ld; ld = ld->next) {
const char *val = switch_xml_attr_soft(ld, "module");
if (strchr(val, '.') && !strstr(val, ext) && !strstr(val, EXT)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Invalid extension for %s\n", val);
continue;
}
switch_loadable_module_load_module((char *) SWITCH_GLOBAL_dirs.mod_dir, (char *) val, SWITCH_FALSE, &err);
count++;
}
}
switch_xml_free(xml);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "open of %s failed\n", pcf);
}
if (!count) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "No modules loaded assuming 'load all'\n");
all = 1;
}
if (all) {
if (apr_dir_open(&module_dir_handle, SWITCH_GLOBAL_dirs.mod_dir, loadable_modules.pool) != APR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Can't open directory: %s\n", SWITCH_GLOBAL_dirs.mod_dir);
return SWITCH_STATUS_GENERR;
}
while (apr_dir_read(&finfo, finfo_flags, module_dir_handle) == APR_SUCCESS) {
const char *fname = finfo.fname;
const char *err;
if (finfo.filetype != APR_REG) {
continue;
}
if (!fname) {
fname = finfo.name;
}
if (!fname) {
continue;
}
if (!strstr(fname, ext) && !strstr(fname, EXT)) {
continue;
}
switch_loadable_module_load_module((char *) SWITCH_GLOBAL_dirs.mod_dir, (char *) fname, SWITCH_FALSE, &err);
}
apr_dir_close(module_dir_handle);
}
switch_loadable_module_runtime();
return SWITCH_STATUS_SUCCESS;
}
static void do_shutdown(switch_loadable_module_t *module)
{
assert(module != NULL);
switch_loadable_module_unprocess(module);
if (module->switch_module_shutdown) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Stopping: %s\n", module->module_interface->module_name);
if (module->switch_module_shutdown() == SWITCH_STATUS_UNLOAD) {
switch_memory_pool_t *pool;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "%s unloaded.\n", module->module_interface->module_name);
switch_dso_unload(module->lib);
module->lib = NULL;
if ((pool = module->pool)) {
module = NULL;
switch_core_destroy_memory_pool(&pool);
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "%s shutdown.\n", module->module_interface->module_name);
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "%s has no shutdown routine\n", module->module_interface->module_name);
}
switch_core_hash_delete_locked(loadable_modules.module_hash, module->key, loadable_modules.mutex);
}
SWITCH_DECLARE(void) switch_loadable_module_shutdown(void)
{
switch_hash_index_t *hi;
void *val;
switch_loadable_module_t *module;
for (hi = switch_hash_first(loadable_modules.pool, loadable_modules.module_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
module = (switch_loadable_module_t *) val;
do_shutdown(module);
}
}
SWITCH_DECLARE(switch_endpoint_interface_t *) switch_loadable_module_get_endpoint_interface(char *name)
{
switch_endpoint_interface_t *ptr;
switch_mutex_lock(loadable_modules.mutex);
ptr = switch_core_hash_find(loadable_modules.endpoint_hash, name);
switch_mutex_unlock(loadable_modules.mutex);
return ptr;
}
SWITCH_DECLARE(switch_codec_interface_t *) switch_loadable_module_get_codec_interface(char *name)
{
char altname[256] = "";
switch_codec_interface_t *codec;
switch_size_t x;
switch_mutex_lock(loadable_modules.mutex);
if (!(codec = switch_core_hash_find(loadable_modules.codec_hash, name))) {
for (x = 0; x < strlen(name); x++) {
altname[x] = (char) toupper((int) name[x]);
}
if (!(codec = switch_core_hash_find(loadable_modules.codec_hash, altname))) {
for (x = 0; x < strlen(name); x++) {
altname[x] = (char) tolower((int) name[x]);
}
codec = switch_core_hash_find(loadable_modules.codec_hash, altname);
}
}
switch_mutex_unlock(loadable_modules.mutex);
return codec;
}
SWITCH_DECLARE(switch_dialplan_interface_t *) switch_loadable_module_get_dialplan_interface(char *name)
{
return switch_core_hash_find_locked(loadable_modules.dialplan_hash, name, loadable_modules.mutex);
}
SWITCH_DECLARE(switch_timer_interface_t *) switch_loadable_module_get_timer_interface(char *name)
{
return switch_core_hash_find_locked(loadable_modules.timer_hash, name, loadable_modules.mutex);
}
SWITCH_DECLARE(switch_application_interface_t *) switch_loadable_module_get_application_interface(char *name)
{
return switch_core_hash_find_locked(loadable_modules.application_hash, name, loadable_modules.mutex);
}
SWITCH_DECLARE(switch_api_interface_t *) switch_loadable_module_get_api_interface(char *name)
{
return switch_core_hash_find_locked(loadable_modules.api_hash, name, loadable_modules.mutex);
}
SWITCH_DECLARE(switch_file_interface_t *) switch_loadable_module_get_file_interface(char *name)
{
return switch_core_hash_find_locked(loadable_modules.file_hash, name, loadable_modules.mutex);
}
SWITCH_DECLARE(switch_speech_interface_t *) switch_loadable_module_get_speech_interface(char *name)
{
return switch_core_hash_find_locked(loadable_modules.speech_hash, name, loadable_modules.mutex);
}
SWITCH_DECLARE(switch_asr_interface_t *) switch_loadable_module_get_asr_interface(char *name)
{
return switch_core_hash_find_locked(loadable_modules.asr_hash, name, loadable_modules.mutex);
}
SWITCH_DECLARE(switch_directory_interface_t *) switch_loadable_module_get_directory_interface(char *name)
{
return switch_core_hash_find_locked(loadable_modules.directory_hash, name, loadable_modules.mutex);
}
SWITCH_DECLARE(switch_chat_interface_t *) switch_loadable_module_get_chat_interface(char *name)
{
return switch_core_hash_find_locked(loadable_modules.chat_hash, name, loadable_modules.mutex);
}
SWITCH_DECLARE(switch_say_interface_t *) switch_loadable_module_get_say_interface(char *name)
{
return switch_core_hash_find_locked(loadable_modules.say_hash, name, loadable_modules.mutex);
}
SWITCH_DECLARE(switch_management_interface_t *) switch_loadable_module_get_management_interface(char *relative_oid)
{
return switch_core_hash_find_locked(loadable_modules.management_hash, relative_oid, loadable_modules.mutex);
}
SWITCH_DECLARE(int) switch_loadable_module_get_codecs(switch_memory_pool_t *pool, const switch_codec_implementation_t **array, int arraylen)
{
switch_hash_index_t *hi;
void *val;
switch_codec_interface_t *codec_interface;
int i = 0;
const switch_codec_implementation_t *imp;
switch_mutex_lock(loadable_modules.mutex);
for (hi = switch_hash_first(pool, loadable_modules.codec_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
codec_interface = (switch_codec_interface_t *) val;
/* Look for a 20ms implementation because it's the safest choice */
for (imp = codec_interface->implementations; imp; imp = imp->next) {
if (imp->microseconds_per_frame / 1000 == 20) {
array[i++] = imp;
goto found;
}
}
/* oh well we will use what we have */
array[i++] = codec_interface->implementations;
found:
if (i > arraylen) {
break;
}
}
switch_mutex_unlock(loadable_modules.mutex);
return i;
}
SWITCH_DECLARE(int) switch_loadable_module_get_codecs_sorted(const switch_codec_implementation_t **array, int arraylen, char **prefs, int preflen)
{
int x, i = 0;
switch_codec_interface_t *codec_interface;
const switch_codec_implementation_t *imp;
switch_mutex_lock(loadable_modules.mutex);
for (x = 0; x < preflen; x++) {
char *cur, *last = NULL, *next = NULL, *name, *p, buf[256];
uint32_t interval = 0, rate = 0;
switch_copy_string(buf, prefs[x], sizeof(buf));
last = name = next = cur = buf;
for (;;) {
if (!next) {
break;
}
if ((p = strchr(next, '@'))) {
*p++ = '\0';
}
next = p;
if (cur != name) {
if (strchr(cur, 'i')) {
interval = atoi(cur);
} else if (strchr(cur, 'k')) {
rate = atoi(cur);
}
}
cur = next;
}
if ((codec_interface = switch_loadable_module_get_codec_interface(name)) != 0) {
/* If no specific codec interval is requested opt for 20ms above all else because lots of stuff assumes it */
if (!interval) {
for (imp = codec_interface->implementations; imp; imp = imp->next) {
uint8_t match = 1;
if ((uint32_t) (imp->microseconds_per_frame / 1000) != 20) {
match = 0;
}
if (match && rate && (uint32_t) imp->samples_per_second != rate) {
match = 0;
}
if (match) {
array[i++] = imp;
goto found;
}
}
}
/* Either looking for a specific interval or there was no interval specified and there wasn't one @20ms available */
for (imp = codec_interface->implementations; imp; imp = imp->next) {
uint8_t match = 1;
if (interval && (uint32_t) (imp->microseconds_per_frame / 1000) != interval) {
match = 0;
}
if (match && rate && (uint32_t) imp->samples_per_second != rate) {
match = 0;
}
if (match) {
array[i++] = imp;
goto found;
}
}
found:
if (i > arraylen) {
break;
}
}
}
switch_mutex_unlock(loadable_modules.mutex);
return i;
}
SWITCH_DECLARE(switch_status_t) switch_api_execute(char *cmd, char *arg, switch_core_session_t *session, switch_stream_handle_t *stream)
{
switch_api_interface_t *api;
switch_status_t status;
assert(stream != NULL);
assert(stream->data != NULL);
assert(stream->write_function != NULL);
if (!stream->event) {
switch_event_create(&stream->event, SWITCH_EVENT_API);
}
if (stream->event) {
if (cmd) {
switch_event_add_header(stream->event, SWITCH_STACK_BOTTOM, "API-Command", "%s", cmd);
}
if (arg) {
switch_event_add_header(stream->event, SWITCH_STACK_BOTTOM, "API-Command-Argument", "%s", arg);
}
}
if ((api = switch_loadable_module_get_api_interface(cmd)) != 0) {
status = api->function(arg, session, stream);
} else {
status = SWITCH_STATUS_FALSE;
stream->write_function(stream, "INVALID COMMAND!\n");
}
if (stream->event) {
switch_event_fire(&stream->event);
}
return status;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
*/
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