tibia-client/src/framework/core/modulemanager.cpp

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/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
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#include "modulemanager.h"
#include "resourcemanager.h"
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#include <framework/otml/otml.h>
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#include <framework/application.h>
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ModuleManager g_modules;
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void ModuleManager::discoverModules()
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{
auto moduleDirs = g_resources.listDirectoryFiles("/");
for(const std::string& moduleDir : moduleDirs) {
auto moduleFiles = g_resources.listDirectoryFiles("/" + moduleDir);
for(const std::string& moduleFile : moduleFiles) {
if(boost::ends_with(moduleFile, ".otmod")) {
ModulePtr module = discoverModule("/" + moduleDir + "/" + moduleFile);
if(module && module->isAutoLoad())
m_autoLoadModules.insert(make_pair(module->getAutoLoadPriority(), module));
}
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}
}
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}
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void ModuleManager::autoLoadModules(int maxPriority)
{
for(auto& pair : m_autoLoadModules) {
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int priority = pair.first;
if(priority > maxPriority)
break;
ModulePtr module = pair.second;
if(!module->isLoaded() && !module->load())
logFatal("A required module has failed to load, cannot continue to run.");
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}
}
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void ModuleManager::discoverModulesPath()
{
// search for modules directory
std::string possibleDirs[] = { "modules",
g_resources.getBaseDir() + "modules",
g_resources.getBaseDir() + "../modules",
g_resources.getBaseDir() + "../share/" + g_app->getAppName() + "/modules",
"" };
bool found = false;
for(const std::string& dir : possibleDirs) {
// try to add module directory
if(g_resources.addToSearchPath(dir)) {
logInfo("Using modules directory '", dir.c_str(), "'");
found = true;
break;
}
}
if(!found)
logFatal("Could not find modules directory");
}
ModulePtr ModuleManager::discoverModule(const std::string& moduleFile)
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{
ModulePtr module;
try {
OTMLDocumentPtr doc = OTMLDocument::parse(moduleFile);
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OTMLNodePtr moduleNode = doc->at("Module");
std::string name = moduleNode->valueAt("name");
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if(getModule(name))
Fw::throwException("module '", name, "' already exists, cannot have duplicate module names");
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module = ModulePtr(new Module(name));
module->discover(moduleNode);
m_modules.push_back(module);
} catch(Exception& e) {
logError("Unable to discover module from file '", moduleFile, "': ", e.what());
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}
return module;
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}
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void ModuleManager::ensureModuleLoaded(const std::string& moduleName)
{
ModulePtr module = g_modules.getModule(moduleName);
if(!module || !module->load())
logFatal("Unable to load '", moduleName, "' module");
}
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void ModuleManager::unloadModules()
{
for(const ModulePtr& module : m_modules)
module->unload();
}
ModulePtr ModuleManager::getModule(const std::string& moduleName)
{
for(const ModulePtr& module : m_modules)
if(module->getName() == moduleName)
return module;
return nullptr;
}