bool ModuleManager::Load(const std::string& modname, bool defer)
{
/* Don't allow people to specify paths for modules, it doesn't work as expected */
if (modname.find('/') != std::string::npos)
{
LastModuleError = "You can't load modules with a path: " + modname;
return false;
}
const std::string filename = ExpandModName(modname);
const std::string moduleFile = ServerInstance->Config->Paths.PrependModule(filename);
if (!FileSystem::FileExists(moduleFile))
{
LastModuleError = "Module file could not be found: " + filename;
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
return false;
}
if (Modules.find(filename) != Modules.end())
{
LastModuleError = "Module " + filename + " is already loaded, cannot load a module twice!";
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
return false;
}
Module* newmod = NULL;
DLLManager* newhandle = new DLLManager(moduleFile.c_str());
ServiceList newservices;
if (!defer)
this->NewServices = &newservices;
try
{
newmod = newhandle->CallInit();
this->NewServices = NULL;
if (newmod)
{
newmod->ModuleSourceFile = filename;
newmod->ModuleDLLManager = newhandle;
newmod->dying = false;
Modules[filename] = newmod;
std::string version = newhandle->GetVersion();
if (defer)
{
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "New module introduced: %s (Module version %s)",
filename.c_str(), version.c_str());
}
else
{
ConfigStatus confstatus;
AttachAll(newmod);
AddServices(newservices);
newmod->init();
newmod->ReadConfig(confstatus);
Version v = newmod->GetVersion();
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "New module introduced: %s (Module version %s)%s",
filename.c_str(), version.c_str(), (!(v.Flags & VF_VENDOR) ? " [3rd Party]" : " [Vendor]"));
}
}
else
{
LastModuleError = "Unable to load " + filename + ": " + newhandle->LastError();
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
delete newhandle;
return false;
}
}
catch (CoreException& modexcept)
{
this->NewServices = NULL;
// failure in module constructor
if (newmod)
{
DoSafeUnload(newmod);
ServerInstance->GlobalCulls.AddItem(newhandle);
}
else
delete newhandle;
LastModuleError = "Unable to load " + filename + ": " + modexcept.GetReason();
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
return false;
}
if (defer)
return true;
FOREACH_MOD(OnLoadModule, (newmod));
PrioritizeHooks();
ServerInstance->ISupport.Build();
return true;
}
bool ModuleManager::Load(const std::string& filename, bool defer)
{
/* Don't allow people to specify paths for modules, it doesn't work as expected */
if (filename.find('/') != std::string::npos)
return false;
char modfile[MAXBUF];
snprintf(modfile,MAXBUF,"%s/%s",ServerInstance->Config->ModPath.c_str(),filename.c_str());
if (!ServerConfig::FileExists(modfile))
{
LastModuleError = "Module file could not be found: " + filename;
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
return false;
}
if (Modules.find(filename) != Modules.end())
{
LastModuleError = "Module " + filename + " is already loaded, cannot load a module twice!";
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
return false;
}
Module* newmod = NULL;
DLLManager* newhandle = new DLLManager(modfile);
try
{
newmod = newhandle->CallInit();
if (newmod)
{
newmod->ModuleSourceFile = filename;
newmod->ModuleDLLManager = newhandle;
newmod->dying = false;
Modules[filename] = newmod;
std::string version = newhandle->GetVersion();
if (defer)
{
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT,"New module introduced: %s (Module version %s)",
filename.c_str(), version.c_str());
}
else
{
newmod->init();
Version v = newmod->GetVersion();
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT,"New module introduced: %s (Module version %s)%s",
filename.c_str(), version.c_str(), (!(v.Flags & VF_VENDOR) ? " [3rd Party]" : " [Vendor]"));
}
}
else
{
LastModuleError = "Unable to load " + filename + ": " + newhandle->LastError();
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
delete newhandle;
return false;
}
}
catch (CoreException& modexcept)
{
// failure in module constructor
if (newmod)
{
DoSafeUnload(newmod);
ServerInstance->GlobalCulls.AddItem(newhandle);
}
else
delete newhandle;
LastModuleError = "Unable to load " + filename + ": " + modexcept.GetReason();
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
return false;
}
this->ModCount++;
if (defer)
return true;
FOREACH_MOD(I_OnLoadModule,OnLoadModule(newmod));
/* We give every module a chance to re-prioritize when we introduce a new one,
* not just the one thats loading, as the new module could affect the preference
* of others
*/
for(int tries = 0; tries < 20; tries++)
{
prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST;
for (std::map<std::string, Module*>::iterator n = Modules.begin(); n != Modules.end(); ++n)
n->second->Prioritize();
if (prioritizationState == PRIO_STATE_LAST)
break;
if (tries == 19)
ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Hook priority dependency loop detected while loading " + filename);
}
ServerInstance->ISupport.Build();
return true;
}