143 lines
4.5 KiB
C++
143 lines
4.5 KiB
C++
/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "modulemanager.h"
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#include "resourcemanager.h"
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#include <framework/otml/otml.h>
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#include <framework/core/application.h>
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ModuleManager g_modules;
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void ModuleManager::clear()
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{
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m_modules.clear();
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m_autoLoadModules.clear();
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}
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void ModuleManager::discoverModules()
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{
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// remove modules that are not loaded
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m_autoLoadModules.clear();
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auto moduleDirs = g_resources.listDirectoryFiles("/");
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for(const std::string& moduleDir : moduleDirs) {
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auto moduleFiles = g_resources.listDirectoryFiles("/" + moduleDir);
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for(const std::string& moduleFile : moduleFiles) {
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if(stdext::ends_with(moduleFile, ".otmod")) {
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ModulePtr module = discoverModule("/" + moduleDir + "/" + moduleFile);
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if(module && module->isAutoLoad())
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m_autoLoadModules.insert(std::make_pair(module->getAutoLoadPriority(), module));
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}
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}
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}
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}
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void ModuleManager::autoLoadModules(int maxPriority)
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{
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for(auto& pair : m_autoLoadModules) {
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int priority = pair.first;
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if(priority > maxPriority)
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break;
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ModulePtr module = pair.second;
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module->load();
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}
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}
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ModulePtr ModuleManager::discoverModule(const std::string& moduleFile)
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{
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ModulePtr module;
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try {
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OTMLDocumentPtr doc = OTMLDocument::parse(moduleFile);
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OTMLNodePtr moduleNode = doc->at("Module");
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std::string name = moduleNode->valueAt("name");
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bool push = false;
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module = getModule(name);
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if(!module) {
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module = ModulePtr(new Module(name));
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push = true;
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}
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module->discover(moduleNode);
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// not loaded modules are always in back
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if(push)
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m_modules.push_back(module);
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} catch(stdext::exception& e) {
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g_logger.error(stdext::format("Unable to discover module from file '%s': %s", moduleFile, e.what()));
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}
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return module;
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}
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void ModuleManager::ensureModuleLoaded(const std::string& moduleName)
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{
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ModulePtr module = g_modules.getModule(moduleName);
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if(!module || !module->load())
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g_logger.fatal(stdext::format("Unable to load '%s' module", moduleName));
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}
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void ModuleManager::unloadModules()
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{
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auto modulesBackup = m_modules;
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for(const ModulePtr& module : modulesBackup)
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module->unload();
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}
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void ModuleManager::reloadModules()
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{
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std::deque<ModulePtr> toLoadList;
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// unload in the reverse direction, try to unload upto 10 times (because of dependencies)
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for(int i=0;i<10;++i) {
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auto modulesBackup = m_modules;
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for(const ModulePtr& module : modulesBackup) {
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if(module->isLoaded() && module->canUnload()) {
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module->unload();
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toLoadList.push_front(module);
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}
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}
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}
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for(const ModulePtr& module : toLoadList)
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module->load();
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}
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ModulePtr ModuleManager::getModule(const std::string& moduleName)
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{
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for(const ModulePtr& module : m_modules)
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if(module->getName() == moduleName)
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return module;
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return nullptr;
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}
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void ModuleManager::updateModuleLoadOrder(ModulePtr module)
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{
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auto it = std::find(m_modules.begin(), m_modules.end(), module);
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if(it != m_modules.end())
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m_modules.erase(it);
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if(module->isLoaded())
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m_modules.push_front(module);
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else
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m_modules.push_back(module);
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}
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