src/commands/cmd_rehash.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
   6  * See: http://wiki.inspircd.org/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15 #include "xline.h"
  16 #include "commands/cmd_rehash.h"
  17
  18
  19 extern "C" DllExport Command* init_command(InspIRCd* Instance)
  20 {
  21         return new CommandRehash(Instance);
  22 }
  23
  24 CmdResult CommandRehash::Handle (const std::vector<std::string>& parameters, User *user)
  25 {
  26         std::string param = parameters.size() ? parameters[0] : "";
  27
  28         FOREACH_MOD(I_OnPreRehash,OnPreRehash(user, param));
  29
  30         if (param.empty())
  31         {
  32                 // standard rehash of local server
  33         }
  34         else if (param.find_first_of("*.") != std::string::npos)
  35         {
  36                 // rehash of servers by server name (with wildcard)
  37                 if (!InspIRCd::Match(ServerInstance->Config->ServerName, parameters[0]))
  38                 {
  39                         // Doesn't match us. PreRehash is already done, nothing left to do
  40                         return CMD_SUCCESS;
  41                 }
  42         }
  43         else
  44         {
  45                 // parameterized rehash
  46
  47                 // the leading "-" is optional; remove it if present.
  48                 if (param[0] == '-')
  49                         param = param.substr(1);
  50
  51                 FOREACH_MOD(I_OnModuleRehash,OnModuleRehash(user, param));
  52                 return CMD_SUCCESS;
  53         }
  54
  55         // Rehash for me. Try to start the rehash thread
  56         if (!ServerInstance->ConfigThread)
  57         {
  58                 std::string m = user->nick + " is rehashing config file " + ServerConfig::CleanFilename(ServerInstance->ConfigFileName) + " on " + ServerInstance->Config->ServerName;
  59                 ServerInstance->SNO->WriteGlobalSno('a', m);
  60
  61                 if (IS_LOCAL(user))
  62                         user->WriteNumeric(RPL_REHASHING, "%s %s :Rehashing",
  63                                 user->nick.c_str(),ServerConfig::CleanFilename(ServerInstance->ConfigFileName));
  64                 else
  65                         ServerInstance->PI->SendUserNotice(user, std::string("*** Rehashing server ") +
  66                                 ServerConfig::CleanFilename(ServerInstance->ConfigFileName));
  67
  68                 /* Don't do anything with the logs here -- logs are restarted
  69                  * after the config thread has completed.
  70                  */
  71
  72                 ServerInstance->RehashUsersAndChans();
  73                 FOREACH_MOD(I_OnGarbageCollect, OnGarbageCollect());
  74
  75
  76                 ServerInstance->ConfigThread = new ConfigReaderThread(ServerInstance, user->uuid);
  77                 ServerInstance->Threads->Start(ServerInstance->ConfigThread);
  78
  79                 return CMD_SUCCESS;
  80         }
  81         else
  82         {
  83                 /*
  84                  * A rehash is already in progress! ahh shit.
  85                  * XXX, todo: we should find some way to kill runaway rehashes that are blocking, this is a major problem for unrealircd users
  86                  */
  87                 if (IS_LOCAL(user))
  88                         user->WriteServ("NOTICE %s :*** Could not rehash: A rehash is already in progress.", user->nick.c_str());
  89                 else
  90                         ServerInstance->PI->SendUserNotice(user, "*** Could not rehash: A rehash is already in progress.");
  91
  92                 return CMD_FAILURE;
  93         }
  94 }
  95