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->ModPath + "/" + 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());
79 Version v = newmod->GetVersion();
80 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT,"New module introduced: %s (Module version %s)%s",
81 filename.c_str(), version.c_str(), (!(v.Flags & VF_VENDOR) ? " [3rd Party]" : " [Vendor]"));
86 LastModuleError = "Unable to load " + filename + ": " + newhandle->LastError();
87 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
92 catch (CoreException& modexcept)
94 // failure in module constructor
98 ServerInstance->GlobalCulls.AddItem(newhandle);
102 LastModuleError = "Unable to load " + filename + ": " + modexcept.GetReason();
103 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
111 FOREACH_MOD(I_OnLoadModule,OnLoadModule(newmod));
112 /* We give every module a chance to re-prioritize when we introduce a new one,
113 * not just the one thats loading, as the new module could affect the preference
116 for(int tries = 0; tries < 20; tries++)
118 prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST;
119 for (std::map<std::string, Module*>::iterator n = Modules.begin(); n != Modules.end(); ++n)
120 n->second->Prioritize();
122 if (prioritizationState == PRIO_STATE_LAST)
125 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Hook priority dependency loop detected while loading " + filename);
128 ServerInstance->ISupport.Build();
133 struct UnloadAction : public HandlerBase0<void>
136 UnloadAction(Module* m) : mod(m) {}
139 DLLManager* dll = mod->ModuleDLLManager;
140 ServerInstance->Modules->DoSafeUnload(mod);
141 ServerInstance->GlobalCulls.Apply();
143 ServerInstance->GlobalCulls.AddItem(this);
147 struct ReloadAction : public HandlerBase0<void>
150 HandlerBase1<void, bool>* const callback;
151 ReloadAction(Module* m, HandlerBase1<void, bool>* c)
152 : mod(m), callback(c) {}
155 DLLManager* dll = mod->ModuleDLLManager;
156 std::string name = mod->ModuleSourceFile;
157 ServerInstance->Modules->DoSafeUnload(mod);
158 ServerInstance->GlobalCulls.Apply();
160 bool rv = ServerInstance->Modules->Load(name.c_str());
163 ServerInstance->GlobalCulls.AddItem(this);
168 bool ModuleManager::Unload(Module* mod)
172 ServerInstance->AtomicActions.AddAction(new UnloadAction(mod));
176 void ModuleManager::Reload(Module* mod, HandlerBase1<void, bool>* callback)
179 ServerInstance->AtomicActions.AddAction(new ReloadAction(mod, callback));
181 callback->Call(false);
184 /* We must load the modules AFTER initializing the socket engine, now */
185 void ModuleManager::LoadAll()
189 std::cout << std::endl << "Loading core commands";
192 DIR* library = opendir(ServerInstance->Config->ModPath.c_str());
195 dirent* entry = NULL;
196 while (0 != (entry = readdir(library)))
198 if (InspIRCd::Match(entry->d_name, "cmd_*.so", ascii_case_insensitive_map))
203 if (!Load(entry->d_name, true))
205 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, this->LastError());
206 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << this->LastError() << std::endl << std::endl;
207 ServerInstance->Exit(EXIT_STATUS_MODULE);
212 std::cout << std::endl;
215 ConfigTagList tags = ServerInstance->Config->ConfTags("module");
216 for(ConfigIter i = tags.first; i != tags.second; ++i)
218 ConfigTag* tag = i->second;
219 std::string name = tag->getString("name");
220 std::cout << "[" << con_green << "*" << con_reset << "] Loading module:\t" << con_green << name << con_reset << std::endl;
222 if (!this->Load(name, true))
224 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, this->LastError());
225 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << this->LastError() << std::endl << std::endl;
226 ServerInstance->Exit(EXIT_STATUS_MODULE);
230 for(std::map<std::string, Module*>::iterator i = Modules.begin(); i != Modules.end(); i++)
232 Module* mod = i->second;
235 ServerInstance->Logs->Log("MODULE", LOG_DEBUG, "Initializing %s", i->first.c_str());
238 catch (CoreException& modexcept)
240 LastModuleError = "Unable to initialize " + mod->ModuleSourceFile + ": " + modexcept.GetReason();
241 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
242 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << LastModuleError << std::endl << std::endl;
243 ServerInstance->Exit(EXIT_STATUS_MODULE);
247 /* We give every module a chance to re-prioritize when we introduce a new one,
248 * not just the one thats loading, as the new module could affect the preference
251 for(int tries = 0; tries < 20; tries++)
253 prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST;
254 for (std::map<std::string, Module*>::iterator n = Modules.begin(); n != Modules.end(); ++n)
255 n->second->Prioritize();
257 if (prioritizationState == PRIO_STATE_LAST)
261 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Hook priority dependency loop detected");
262 ServerInstance->Exit(EXIT_STATUS_MODULE);