2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
6 * This file is part of InspIRCd. InspIRCd is free software: you can
7 * redistribute it and/or modify it under the terms of the GNU General Public
8 * License as published by the Free Software Foundation, version 2.
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "socketengine.h"
24 #include "command_parse.h"
25 #include "exitcodes.h"
34 bool ModuleManager::Load(const std::string& filename, bool defer)
36 /* Don't allow people to specify paths for modules, it doesn't work as expected */
37 if (filename.find('/') != std::string::npos)
40 const std::string moduleFile = ServerInstance->Config->Paths.PrependModule(filename);
42 if (!ServerConfig::FileExists(moduleFile.c_str()))
44 LastModuleError = "Module file could not be found: " + filename;
45 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
49 if (Modules.find(filename) != Modules.end())
51 LastModuleError = "Module " + filename + " is already loaded, cannot load a module twice!";
52 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
56 Module* newmod = NULL;
57 DLLManager* newhandle = new DLLManager(moduleFile.c_str());
61 newmod = newhandle->CallInit();
65 newmod->ModuleSourceFile = filename;
66 newmod->ModuleDLLManager = newhandle;
67 newmod->dying = false;
68 Modules[filename] = newmod;
69 std::string version = newhandle->GetVersion();
72 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "New module introduced: %s (Module version %s)",
73 filename.c_str(), version.c_str());
77 ConfigStatus confstatus;
81 newmod->ReadConfig(confstatus);
83 Version v = newmod->GetVersion();
84 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "New module introduced: %s (Module version %s)%s",
85 filename.c_str(), version.c_str(), (!(v.Flags & VF_VENDOR) ? " [3rd Party]" : " [Vendor]"));
90 LastModuleError = "Unable to load " + filename + ": " + newhandle->LastError();
91 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
96 catch (CoreException& modexcept)
98 // failure in module constructor
101 DoSafeUnload(newmod);
102 ServerInstance->GlobalCulls.AddItem(newhandle);
106 LastModuleError = "Unable to load " + filename + ": " + modexcept.GetReason();
107 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
115 FOREACH_MOD(OnLoadModule, (newmod));
116 /* We give every module a chance to re-prioritize when we introduce a new one,
117 * not just the one thats loading, as the new module could affect the preference
120 for(int tries = 0; tries < 20; tries++)
122 prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST;
123 for (std::map<std::string, Module*>::iterator n = Modules.begin(); n != Modules.end(); ++n)
124 n->second->Prioritize();
126 if (prioritizationState == PRIO_STATE_LAST)
129 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Hook priority dependency loop detected while loading " + filename);
132 ServerInstance->ISupport.Build();
137 struct UnloadAction : public HandlerBase0<void>
140 UnloadAction(Module* m) : mod(m) {}
143 DLLManager* dll = mod->ModuleDLLManager;
144 ServerInstance->Modules->DoSafeUnload(mod);
145 ServerInstance->GlobalCulls.Apply();
147 ServerInstance->GlobalCulls.AddItem(this);
151 struct ReloadAction : public HandlerBase0<void>
154 HandlerBase1<void, bool>* const callback;
155 ReloadAction(Module* m, HandlerBase1<void, bool>* c)
156 : mod(m), callback(c) {}
159 DLLManager* dll = mod->ModuleDLLManager;
160 std::string name = mod->ModuleSourceFile;
161 ServerInstance->Modules->DoSafeUnload(mod);
162 ServerInstance->GlobalCulls.Apply();
164 bool rv = ServerInstance->Modules->Load(name.c_str());
167 ServerInstance->GlobalCulls.AddItem(this);
172 bool ModuleManager::Unload(Module* mod)
176 ServerInstance->AtomicActions.AddAction(new UnloadAction(mod));
180 void ModuleManager::Reload(Module* mod, HandlerBase1<void, bool>* callback)
183 ServerInstance->AtomicActions.AddAction(new ReloadAction(mod, callback));
185 callback->Call(false);
188 /* We must load the modules AFTER initializing the socket engine, now */
189 void ModuleManager::LoadAll()
193 std::cout << std::endl << "Loading core commands";
196 DIR* library = opendir(ServerInstance->Config->Paths.Module.c_str());
199 dirent* entry = NULL;
200 while (0 != (entry = readdir(library)))
202 if (InspIRCd::Match(entry->d_name, "cmd_*.so", ascii_case_insensitive_map))
207 if (!Load(entry->d_name, true))
209 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, this->LastError());
210 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << this->LastError() << std::endl << std::endl;
211 ServerInstance->Exit(EXIT_STATUS_MODULE);
216 std::cout << std::endl;
219 ConfigTagList tags = ServerInstance->Config->ConfTags("module");
220 for(ConfigIter i = tags.first; i != tags.second; ++i)
222 ConfigTag* tag = i->second;
223 std::string name = tag->getString("name");
224 std::cout << "[" << con_green << "*" << con_reset << "] Loading module:\t" << con_green << name << con_reset << std::endl;
226 if (!this->Load(name, true))
228 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, this->LastError());
229 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << this->LastError() << std::endl << std::endl;
230 ServerInstance->Exit(EXIT_STATUS_MODULE);
234 ConfigStatus confstatus;
236 for(std::map<std::string, Module*>::iterator i = Modules.begin(); i != Modules.end(); i++)
238 Module* mod = i->second;
241 ServerInstance->Logs->Log("MODULE", LOG_DEBUG, "Initializing %s", i->first.c_str());
244 mod->ReadConfig(confstatus);
246 catch (CoreException& modexcept)
248 LastModuleError = "Unable to initialize " + mod->ModuleSourceFile + ": " + modexcept.GetReason();
249 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
250 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << LastModuleError << std::endl << std::endl;
251 ServerInstance->Exit(EXIT_STATUS_MODULE);
255 /* We give every module a chance to re-prioritize when we introduce a new one,
256 * not just the one thats loading, as the new module could affect the preference
259 for(int tries = 0; tries < 20; tries++)
261 prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST;
262 for (std::map<std::string, Module*>::iterator n = Modules.begin(); n != Modules.end(); ++n)
263 n->second->Prioritize();
265 if (prioritizationState == PRIO_STATE_LAST)
269 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Hook priority dependency loop detected");
270 ServerInstance->Exit(EXIT_STATUS_MODULE);