bool NFCPluginManager::LoadPluginLibrary(const std::string& strPluginDLLName)
{
PluginLibMap::iterator it = mPluginLibMap.find(strPluginDLLName);
if (it == mPluginLibMap.end())
{
NFCDynLib* pLib = new NFCDynLib(strPluginDLLName);
bool bLoad = pLib->Load();
if (bLoad)
{
mPluginLibMap.insert(PluginLibMap::value_type(strPluginDLLName, pLib));
DLL_START_PLUGIN_FUNC pFunc = (DLL_START_PLUGIN_FUNC)pLib->GetSymbol("DllStartPlugin");
if (!pFunc)
{
std::cout << "Find function DllStartPlugin Failed in [" << pLib->GetName() << "]" << std::endl;
assert(0);
return false;
}
pFunc(this);
return true;
}
else
{
#if NF_PLATFORM == NF_PLATFORM_LINUX
char* error = dlerror();
if (error)
{
std::cout << stderr << " Load shared lib[" << pLib->GetName() << "] failed, ErrorNo. = [" << error << "]" << std::endl;
std::cout << "Load [" << pLib->GetName() << "] failed" << std::endl;
assert(0);
return false;
}
#elif NF_PLATFORM == NF_PLATFORM_WIN
std::cout << stderr << " Load DLL[" << pLib->GetName() << "] failed, ErrorNo. = [" << GetLastError() << "]" << std::endl;
std::cout << "Load [" << pLib->GetName() << "] failed" << std::endl;
assert(0);
return false;
#endif // NF_PLATFORM
}
}
return false;
}
bool NFCPluginManager::ReLoadPlugin(const std::string & strPluginDLLName)
{
//1.shut all module of this plugin
//2.unload this plugin
//3.load new plugin
//4.init new module
//5.tell others who has been reloaded
PluginInstanceMap::iterator itInstance = mPluginInstanceMap.find(strPluginDLLName);
if (itInstance == mPluginInstanceMap.end())
{
return false;
}
//1
NFIPlugin* pPlugin = itInstance->second;
NFIModule* pModule = pPlugin->First();
while (pModule)
{
pModule->BeforeShut();
pModule->Shut();
pModule->Finalize();
pModule = pPlugin->Next();
}
//2
PluginLibMap::iterator it = mPluginLibMap.find(strPluginDLLName);
if (it != mPluginLibMap.end())
{
NFCDynLib* pLib = it->second;
DLL_STOP_PLUGIN_FUNC pFunc = (DLL_STOP_PLUGIN_FUNC)pLib->GetSymbol("DllStopPlugin");
if (pFunc)
{
pFunc(this);
}
pLib->UnLoad();
delete pLib;
pLib = NULL;
mPluginLibMap.erase(it);
}
//3
NFCDynLib* pLib = new NFCDynLib(strPluginDLLName);
bool bLoad = pLib->Load();
if (bLoad)
{
mPluginLibMap.insert(PluginLibMap::value_type(strPluginDLLName, pLib));
DLL_START_PLUGIN_FUNC pFunc = (DLL_START_PLUGIN_FUNC)pLib->GetSymbol("DllStartPlugin");
if (!pFunc)
{
std::cout << "Reload Find function DllStartPlugin Failed in [" << pLib->GetName() << "]" << std::endl;
assert(0);
return false;
}
pFunc(this);
}
else
{
#if NF_PLATFORM == NF_PLATFORM_LINUX
char* error = dlerror();
if (error)
{
std::cout << stderr << " Reload shared lib[" << pLib->GetName() << "] failed, ErrorNo. = [" << error << "]" << std::endl;
std::cout << "Reload [" << pLib->GetName() << "] failed" << std::endl;
assert(0);
return false;
}
#elif NF_PLATFORM == NF_PLATFORM_WIN
std::cout << stderr << " Reload DLL[" << pLib->GetName() << "] failed, ErrorNo. = [" << GetLastError() << "]" << std::endl;
std::cout << "Reload [" << pLib->GetName() << "] failed" << std::endl;
assert(0);
return false;
#endif // NF_PLATFORM
}
//4
PluginInstanceMap::iterator itReloadInstance = mPluginInstanceMap.begin();
for (itReloadInstance; itReloadInstance != mPluginInstanceMap.end(); itReloadInstance++)
{
if (strPluginDLLName != itReloadInstance->first)
{
itReloadInstance->second->OnReloadPlugin();
}
}
return true;
}