307 lines
7.7 KiB
C++
Executable File
307 lines
7.7 KiB
C++
Executable File
/*
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* Copyright (C) 2010-2011 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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#include "ProxyPluginMgr.h"
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#include "ProxyConsumer.h"
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#include "ProxyProducer.h"
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//
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// "twrap_proxy_plugin_t" Declarations
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//
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typedef struct twrap_proxy_plugin_s
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{
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TSK_DECLARE_OBJECT;
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ProxyPlugin* plugin;
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}
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twrap_proxy_plugin_t;
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#define TWRAP_PROXY_PLUGIN(self) ((twrap_proxy_plugin_t*)(self))
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static int pred_find_plugin_by_value(const tsk_list_item_t *item, const void *proxyPlugin);
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static twrap_proxy_plugin_t* twrap_proxy_plugin_create(ProxyPlugin** plugin);
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//
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// "ProxyPluginMgr" Class Implementation
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//
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ProxyPluginMgr* ProxyPluginMgr::instance = tsk_null;
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static uint64_t __uniqueId = 0;
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ProxyPluginMgr::ProxyPluginMgr(ProxyPluginMgrCallback* _callback)
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:callback(_callback)
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{
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this->plugins = tsk_list_create();
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if(!this->callback){
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TSK_DEBUG_WARN("Callback function is Null => You will have big problems as we won't check it before call");
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}
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}
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ProxyPluginMgr::~ProxyPluginMgr()
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{
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if(this == ProxyPluginMgr::instance){
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ProxyPluginMgr::instance = tsk_null;
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}
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TSK_OBJECT_SAFE_FREE(this->plugins);
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}
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ProxyPluginMgr* ProxyPluginMgr::createInstance(ProxyPluginMgrCallback* pCallback)
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{
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if(!ProxyPluginMgr::instance){
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ProxyPluginMgr::instance = new ProxyPluginMgr(pCallback);
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}
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else{
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TSK_DEBUG_WARN("Plugin instance already exist");
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ProxyPluginMgr::instance->callback = pCallback;
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}
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return ProxyPluginMgr::instance;
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}
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void ProxyPluginMgr::destroyInstance(ProxyPluginMgr** ppInstance)
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{
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if(ppInstance && *ppInstance){
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bool bMatch = ProxyPluginMgr::instance && (*ppInstance == ProxyPluginMgr::instance);
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delete *ppInstance, *ppInstance = tsk_null;
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if(bMatch){
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ProxyPluginMgr::instance = tsk_null;
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}
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}
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}
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ProxyPluginMgr* ProxyPluginMgr::getInstance()
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{
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if(!ProxyPluginMgr::instance){
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TSK_DEBUG_ERROR("No instance of the manager could be found");
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}
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return ProxyPluginMgr::instance;
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}
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uint64_t ProxyPluginMgr::getUniqueId()
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{
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return ++__uniqueId;
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}
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int ProxyPluginMgr::addPlugin(ProxyPlugin** plugin)
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{
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twrap_proxy_plugin_t* twrap_plugin;
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int ret = -1;
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tsk_list_lock(this->plugins);
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if(!plugin || !*plugin){
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TSK_DEBUG_ERROR("Invalid parameter");
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goto bail;
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}
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if(tsk_list_find_item_by_pred(this->plugins, pred_find_plugin_by_value, *plugin)){
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TSK_DEBUG_ERROR("Plugin already exist");
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goto bail;
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}
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if((twrap_plugin = twrap_proxy_plugin_create(plugin))){
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tsk_list_push_back_data(this->plugins, (void**)&twrap_plugin);
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ret = 0;
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}
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else{
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TSK_DEBUG_ERROR("Failed to create plugin");
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goto bail;
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}
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bail:
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tsk_list_unlock(this->plugins);
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return ret;
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}
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int ProxyPluginMgr::removePlugin(ProxyPlugin** plugin)
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{
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if(!plugin || !*plugin){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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return this->removePlugin((*plugin)->getId());
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}
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const ProxyPlugin* ProxyPluginMgr::findPlugin(uint64_t id)
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{
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ProxyPlugin* ret = tsk_null;
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tsk_list_item_t* item;
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tsk_list_lock(this->plugins);
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tsk_list_foreach(item, this->plugins){
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if(TWRAP_PROXY_PLUGIN(item->data)->plugin->getId() == id){
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ret = TWRAP_PROXY_PLUGIN(item->data)->plugin;
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break;
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}
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}
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tsk_list_unlock(this->plugins);
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return ret;
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}
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const ProxyPlugin* ProxyPluginMgr::findPlugin(tsk_object_t* wrapped_plugin)
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{
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ProxyPlugin* ret = tsk_null;
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tsk_list_item_t* item;
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if(!wrapped_plugin){
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TSK_DEBUG_ERROR("Invalid parameter");
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return tsk_null;
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}
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tsk_list_lock(this->plugins);
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tsk_list_foreach(item, this->plugins){
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if(TWRAP_PROXY_PLUGIN(item->data)->plugin->isWrapping(wrapped_plugin)){
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ret = TWRAP_PROXY_PLUGIN(item->data)->plugin;
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break;
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}
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}
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tsk_list_unlock(this->plugins);
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return ret;
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}
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int ProxyPluginMgr::removePlugin(uint64_t id)
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{
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tsk_list_item_t* item;
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tsk_list_lock(this->plugins);
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tsk_list_foreach(item, this->plugins){
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if(TWRAP_PROXY_PLUGIN(item->data)->plugin->getId() == id){
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tsk_list_remove_item(this->plugins, item);
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break;
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}
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}
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tsk_list_unlock(this->plugins);
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return 0;
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}
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const ProxyAudioConsumer* ProxyPluginMgr::findAudioConsumer(uint64_t id)
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{
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const ProxyPlugin* audioConsumer = this->findPlugin(id);
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if(audioConsumer && audioConsumer->getType() == twrap_proxy_plugin_audio_consumer){
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return dyn_cast<const ProxyAudioConsumer*>(audioConsumer);
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}
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return tsk_null;
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}
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const ProxyVideoConsumer* ProxyPluginMgr::findVideoConsumer(uint64_t id)
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{
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const ProxyPlugin* videoConsumer = this->findPlugin(id);
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if(videoConsumer && videoConsumer->getType() == twrap_proxy_plugin_video_consumer){
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return dyn_cast<const ProxyVideoConsumer*>(videoConsumer);
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}
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return tsk_null;
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}
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const ProxyAudioProducer* ProxyPluginMgr::findAudioProducer(uint64_t id)
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{
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const ProxyPlugin* audioProducer = this->findPlugin(id);
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if(audioProducer && audioProducer->getType() == twrap_proxy_plugin_audio_producer){
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return dyn_cast<const ProxyAudioProducer*>(audioProducer);
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}
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return tsk_null;
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}
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const ProxyVideoProducer* ProxyPluginMgr::findVideoProducer(uint64_t id)
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{
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const ProxyPlugin* videoProducer = this->findPlugin(id);
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if(videoProducer && videoProducer->getType() == twrap_proxy_plugin_video_producer){
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return dyn_cast<const ProxyVideoProducer*>(videoProducer);
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}
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return tsk_null;
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}
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//
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// "twrap_proxy_plugin_t" Implementations
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//
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static tsk_object_t* twrap_proxy_plugin_ctor(tsk_object_t * self, va_list * app)
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{
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twrap_proxy_plugin_t *_self = dyn_cast<twrap_proxy_plugin_t *>(TWRAP_PROXY_PLUGIN(self));
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if(_self){
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}
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return self;
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}
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static tsk_object_t* twrap_proxy_plugin_dtor(tsk_object_t * self)
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{
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twrap_proxy_plugin_t *_self = dyn_cast<twrap_proxy_plugin_t *>(TWRAP_PROXY_PLUGIN(self));
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if(_self){
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if(_self->plugin){
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delete _self->plugin, _self->plugin = tsk_null;
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}
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}
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return self;
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}
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static int twrap_proxy_plugin_cmp(const tsk_object_t *_c1, const tsk_object_t *_c2)
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{
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const twrap_proxy_plugin_t *c1 = dyn_cast<const twrap_proxy_plugin_t *>(TWRAP_PROXY_PLUGIN(_c1));
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const twrap_proxy_plugin_t *c2 = dyn_cast<const twrap_proxy_plugin_t *>(TWRAP_PROXY_PLUGIN(_c2));
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if(c1 && c2){
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return (c1->plugin == c2->plugin); // See "ProxyPlugin::operator =="
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}
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else if(!c1 && !c2) return 0;
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else return -1;
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}
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static const tsk_object_def_t twrap_proxy_plugin_def_s =
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{
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sizeof(twrap_proxy_plugin_t),
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twrap_proxy_plugin_ctor,
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twrap_proxy_plugin_dtor,
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twrap_proxy_plugin_cmp,
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};
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const tsk_object_def_t *twrap_proxy_plugin_def_t = &twrap_proxy_plugin_def_s;
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static int pred_find_plugin_by_value(const tsk_list_item_t *item, const void *proxyPlugin)
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{
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if(item && item->data){
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const twrap_proxy_plugin_t *twrap_plugin = dyn_cast<const twrap_proxy_plugin_t *>(TWRAP_PROXY_PLUGIN(item->data));
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return (twrap_plugin->plugin == dyn_cast<const ProxyPlugin *>((const ProxyPlugin*)proxyPlugin)) ? 0 : -1;
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}
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return -1;
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}
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static twrap_proxy_plugin_t* twrap_proxy_plugin_create(ProxyPlugin** plugin)
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{
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if(!plugin || !*plugin){
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TSK_DEBUG_ERROR("Invalid parameter");
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return tsk_null;
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}
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twrap_proxy_plugin_t* twrap_plugin = (twrap_proxy_plugin_t*)tsk_object_new(twrap_proxy_plugin_def_t);
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if(!twrap_plugin){
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TSK_DEBUG_ERROR("Failed to create new instance of 'twrap_proxy_plugin_t'");
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return tsk_null;
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}
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twrap_plugin->plugin = *plugin,
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*plugin = tsk_null;
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return twrap_plugin;
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}
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