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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define MODNAME cmd_all
#include "inspircd.h"
#include "exitcodes.h"
#include <iostream>
#ifdef PURE_STATIC
typedef std::map<std::string, AllModuleList*> modmap;
static std::vector<AllCommandList::fn>* cmdlist = NULL;
static modmap* modlist = NULL;
AllCommandList::AllCommandList(fn cmd)
{
if (!cmdlist)
cmdlist = new std::vector<AllCommandList::fn>();
cmdlist->push_back(cmd);
}
AllModuleList::AllModuleList(AllModuleList::fn mod, const std::string& Name) : init(mod), name(Name)
{
if (!modlist)
modlist = new modmap();
modlist->insert(std::make_pair(Name, this));
}
class AllModule : public Module
{
std::vector<Command*> cmds;
public:
AllModule()
{
if (!cmdlist)
return;
try
{
cmds.reserve(cmdlist->size());
for(std::vector<AllCommandList::fn>::iterator i = cmdlist->begin(); i != cmdlist->end(); ++i)
{
Command* c = (*i)(this);
cmds.push_back(c);
ServerInstance->AddCommand(c);
}
}
catch (...)
{
this->AllModule::~AllModule();
throw;
}
}
~AllModule()
{
for(std::vector<Command*>::iterator i = cmds.begin(); i != cmds.end(); ++i)
delete *i;
}
Version GetVersion()
{
return Version("All commands", VF_VENDOR|VF_CORE);
}
};
MODULE_INIT(AllModule)
bool ModuleManager::Load(const std::string& name, bool defer)
{
modmap::iterator it = modlist->find(name);
if (it == modlist->end())
return false;
Module* mod = NULL;
try
{
mod = (*it->second->init)();
mod->ModuleSourceFile = name;
mod->ModuleDLLManager = NULL;
Modules[name] = mod;
if (defer)
{
ServerInstance->Logs->Log("MODULE", DEFAULT,"New module introduced: %s", name.c_str());
return true;
}
else
{
mod->init();
}
}
catch (CoreException& modexcept)
{
if (mod)
DoSafeUnload(mod);
ServerInstance->Logs->Log("MODULE", DEFAULT, "Unable to load " + name + ": " + modexcept.GetReason());
return false;
}
FOREACH_MOD(I_OnLoadModule,OnLoadModule(mod));
/* 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", DEFAULT, "Hook priority dependency loop detected while loading " + name);
}
ServerInstance->BuildISupport();
return true;
}
namespace {
struct UnloadAction : public HandlerBase0<void>
{
Module* const mod;
UnloadAction(Module* m) : mod(m) {}
void Call()
{
ServerInstance->Modules->DoSafeUnload(mod);
ServerInstance->GlobalCulls.Apply();
ServerInstance->GlobalCulls.AddItem(this);
}
};
struct ReloadAction : public HandlerBase0<void>
{
Module* const mod;
HandlerBase1<void, bool>* const callback;
ReloadAction(Module* m, HandlerBase1<void, bool>* c)
: mod(m), callback(c) {}
void Call()
{
std::string name = mod->ModuleSourceFile;
ServerInstance->Modules->DoSafeUnload(mod);
ServerInstance->GlobalCulls.Apply();
bool rv = ServerInstance->Modules->Load(name.c_str());
callback->Call(rv);
ServerInstance->GlobalCulls.AddItem(this);
}
};
}
bool ModuleManager::Unload(Module* mod)
{
if (!CanUnload(mod))
return false;
ServerInstance->AtomicActions.AddAction(new UnloadAction(mod));
return true;
}
void ModuleManager::Reload(Module* mod, HandlerBase1<void, bool>* callback)
{
if (CanUnload(mod))
ServerInstance->AtomicActions.AddAction(new ReloadAction(mod, callback));
else
callback->Call(false);
}
void ModuleManager::LoadAll()
{
Load("cmd_all", true);
Load("cmd_whowas.so", true);
ConfigTagList tags = ServerInstance->Config->ConfTags("module");
for(ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
std::string name = tag->getString("name");
std::cout << "[" << con_green << "*" << con_reset << "] Loading module:\t" << con_green << name << con_reset << std::endl;
if (!this->Load(name, true))
{
ServerInstance->Logs->Log("MODULE", DEFAULT, this->LastError());
std::cout << std::endl << "[" << con_red << "*" << con_reset << "]" << this->LastError() << std::endl << std::endl;
ServerInstance->Exit(EXIT_STATUS_MODULE);
}
}
for(std::map<std::string, Module*>::iterator i = Modules.begin(); i != Modules.end(); i++)
{
Module* mod = i->second;
try
{
mod->init();
}
catch (CoreException& modexcept)
{
LastModuleError = "Unable to initialize " + mod->ModuleSourceFile + ": " + modexcept.GetReason();
ServerInstance->Logs->Log("MODULE", DEFAULT, LastModuleError);
std::cout << std::endl << "[" << con_red << "*" << con_reset << "]" << LastModuleError << std::endl << std::endl;
ServerInstance->Exit(EXIT_STATUS_MODULE);
}
}
/* 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", DEFAULT, "Hook priority dependency loop detected");
ServerInstance->Exit(EXIT_STATUS_MODULE);
}
}
}
#endif
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