src/modmanager_static.cpp

   1 #include "inspircd.h"
   2
   3 #ifdef PURE_STATIC
   4
   5 static std::vector<AllCommandList::fn>* cmdlist = NULL;
   6 static std::vector<AllModuleList*>* modlist = NULL;
   7
   8 AllCommandList::AllCommandList(fn cmd)
   9 {
  10         if (!cmdlist)
  11                 cmdlist = new std::vector<AllCommandList::fn>();
  12         cmdlist->push_back(cmd);
  13 }
  14
  15 AllModuleList::AllModuleList(AllModuleList::fn mod, const std::string& Name) : init(mod), name(Name)
  16 {
  17         if (!modlist)
  18                 modlist = new std::vector<AllModuleList*>();
  19         modlist->push_back(this);
  20 }
  21
  22 class AllModule : public Module
  23 {
  24         std::vector<Command*> cmds;
  25  public:
  26         AllModule()
  27         {
  28                 if (!cmdlist)
  29                         return;
  30                 try
  31                 {
  32                         cmds.reserve(cmdlist->size());
  33                         for(std::vector<AllCommandList::fn>::iterator i = cmdlist->begin(); i != cmdlist->end(); ++i)
  34                         {
  35                                 Command* c = (*i)(this);
  36                                 cmds.push_back(c);
  37                                 ServerInstance->AddCommand(c);
  38                         }
  39                 }
  40                 catch (...)
  41                 {
  42                         this->AllModule::~AllModule();
  43                         throw;
  44                 }
  45         }
  46
  47         ~AllModule()
  48         {
  49                 for(std::vector<Command*>::iterator i = cmds.begin(); i != cmds.end(); ++i)
  50                         delete *i;
  51         }
  52
  53         Version GetVersion()
  54         {
  55                 return Version("All commands", VF_VENDOR|VF_CORE);
  56         }
  57 };
  58
  59 MODULE_INIT(AllModule)
  60
  61 bool ModuleManager::Load(const char* name)
  62 {
  63         for(std::vector<AllModuleList*>::iterator i = modlist->begin(); i != modlist->end(); ++i)
  64         {
  65                 if ((**i).name == name)
  66                 {
  67                         Module* c = NULL;
  68                         try
  69                         {
  70                                 c = (*(**i).init)();
  71                                 Modules[name] = c;
  72                                 c->init();
  73                                 FOREACH_MOD(I_OnLoadModule,OnLoadModule(c));
  74                                 return true;
  75                         }
  76                         catch (CoreException& modexcept)
  77                         {
  78                                 if (c)
  79                                         DoSafeUnload(c);
  80                                 delete c;
  81                                 ServerInstance->Logs->Log("MODULE", DEFAULT, "Unable to load " + (**i).name + ": " + modexcept.GetReason());
  82                         }
  83                 }
  84         }
  85         return false;
  86 }
  87
  88 bool ModuleManager::Unload(Module* mod)
  89 {
  90         return false;
  91 }
  92
  93 namespace {
  94         struct ReloadAction : public HandlerBase0<void>
  95         {
  96                 Module* const mod;
  97                 HandlerBase1<void, bool>* const callback;
  98                 ReloadAction(Module* m, HandlerBase1<void, bool>* c)
  99                         : mod(m), callback(c) {}
 100                 void Call()
 101                 {
 102                         std::string name = mod->ModuleSourceFile;
 103                         ServerInstance->Modules->DoSafeUnload(mod);
 104                         ServerInstance->GlobalCulls.Apply();
 105                         bool rv = ServerInstance->Modules->Load(name.c_str());
 106                         callback->Call(rv);
 107                         ServerInstance->GlobalCulls.AddItem(this);
 108                 }
 109         };
 110 }
 111
 112 void ModuleManager::Reload(Module* mod, HandlerBase1<void, bool>* callback)
 113 {
 114         if (CanUnload(mod))
 115                 ServerInstance->AtomicActions.AddAction(new ReloadAction(mod, callback));
 116         else
 117                 callback->Call(false);
 118 }
 119
 120 void ModuleManager::LoadAll()
 121 {
 122         ModCount = 0;
 123         for(std::vector<AllModuleList*>::iterator i = modlist->begin(); i != modlist->end(); ++i)
 124         {
 125                 Module* c = NULL;
 126                 try
 127                 {
 128                         c = (*(**i).init)();
 129                         c->ModuleSourceFile = (**i).name;
 130                         Modules[(**i).name] = c;
 131                         c->init();
 132                         FOREACH_MOD(I_OnLoadModule,OnLoadModule(c));
 133                 }
 134                 catch (CoreException& modexcept)
 135                 {
 136                         if (c)
 137                                 DoSafeUnload(c);
 138                         delete c;
 139                         ServerInstance->Logs->Log("MODULE", DEFAULT, "Unable to load " + (**i).name + ": " + modexcept.GetReason());
 140                 }
 141         }
 142
 143         /* We give every module a chance to re-prioritize when we introduce a new one,
 144          * not just the one thats loading, as the new module could affect the preference
 145          * of others
 146          */
 147         for(int tries = 0; tries < 20; tries++)
 148         {
 149                 prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST;
 150                 for (std::map<std::string, Module*>::iterator n = Modules.begin(); n != Modules.end(); ++n)
 151                         n->second->Prioritize();
 152
 153                 if (prioritizationState == PRIO_STATE_LAST)
 154                         break;
 155                 if (tries == 19)
 156                         ServerInstance->Logs->Log("MODULE", DEFAULT, "Hook priority dependency loop detected");
 157         }
 158
 159         ServerInstance->BuildISupport();
 160 }
 161
 162 void ModuleManager::UnloadAll()
 163 {
 164         // TODO don't really need this, who cares if we leak on exit?
 165 }
 166
 167 #endif