CmdResult cmd_rehash::Handle (const char** parameters, int pcnt, userrec *user)
{
user->WriteServ("382 %s %s :Rehashing",user->nick,ServerConfig::CleanFilename(ServerInstance->ConfigFileName));
std::string parameter;
std::string old_disabled = ServerInstance->Config->DisabledCommands;
if (pcnt)
{
parameter = parameters[0];
}
else
{
ServerInstance->WriteOpers("*** %s is rehashing config file %s",user->nick,ServerConfig::CleanFilename(ServerInstance->ConfigFileName));
ServerInstance->CloseLog();
ServerInstance->OpenLog(ServerInstance->Config->argv, ServerInstance->Config->argc);
ServerInstance->RehashUsersAndChans();
FOREACH_MOD(I_OnGarbageCollect, OnGarbageCollect());
ServerInstance->Config->Read(false,user);
ServerInstance->Res->Rehash();
ServerInstance->ResetMaxBans();
}
if (old_disabled != ServerInstance->Config->DisabledCommands)
InitializeDisabledCommands(ServerInstance->Config->DisabledCommands, ServerInstance);
FOREACH_MOD(I_OnRehash,OnRehash(user, parameter));
ServerInstance->BuildISupport();
return CMD_SUCCESS;
}
void RehashHandler::Call(const std::string &reason)
{
ServerInstance->SNO->WriteToSnoMask('a', "Rehashing config file %s %s",ServerConfig::CleanFilename(ServerInstance->ConfigFileName.c_str()), reason.c_str());
FOREACH_MOD(I_OnGarbageCollect, OnGarbageCollect());
if (!ServerInstance->ConfigThread)
{
ServerInstance->ConfigThread = new ConfigReaderThread("");
ServerInstance->Threads->Start(ServerInstance->ConfigThread);
}
}
int InspIRCd::Run()
{
/* See if we're supposed to be running the test suite rather than entering the mainloop */
if (Config->cmdline.TestSuite)
{
TestSuite* ts = new TestSuite;
delete ts;
Exit(0);
}
UpdateTime();
time_t OLDTIME = TIME.tv_sec;
while (true)
{
#ifndef _WIN32
static rusage ru;
#endif
/* Check if there is a config thread which has finished executing but has not yet been freed */
if (this->ConfigThread && this->ConfigThread->IsDone())
{
/* Rehash has completed */
this->Logs->Log("CONFIG",LOG_DEBUG,"Detected ConfigThread exiting, tidying up...");
this->ConfigThread->Finish();
ConfigThread->join();
delete ConfigThread;
ConfigThread = NULL;
}
UpdateTime();
/* Run background module timers every few seconds
* (the docs say modules shouldnt rely on accurate
* timing using this event, so we dont have to
* time this exactly).
*/
if (TIME.tv_sec != OLDTIME)
{
#ifndef _WIN32
getrusage(RUSAGE_SELF, &ru);
stats->LastSampled = TIME;
stats->LastCPU = ru.ru_utime;
#else
if(QueryPerformanceCounter(&stats->LastSampled))
{
FILETIME CreationTime;
FILETIME ExitTime;
FILETIME KernelTime;
FILETIME UserTime;
GetProcessTimes(GetCurrentProcess(), &CreationTime, &ExitTime, &KernelTime, &UserTime);
stats->LastCPU.dwHighDateTime = KernelTime.dwHighDateTime + UserTime.dwHighDateTime;
stats->LastCPU.dwLowDateTime = KernelTime.dwLowDateTime + UserTime.dwLowDateTime;
}
#endif
/* Allow a buffer of two seconds drift on this so that ntpdate etc dont harass admins */
if (TIME.tv_sec < OLDTIME - 2)
{
SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)OLDTIME-TIME.tv_sec);
}
else if (TIME.tv_sec > OLDTIME + 2)
{
SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)TIME.tv_sec - OLDTIME);
}
OLDTIME = TIME.tv_sec;
if ((TIME.tv_sec % 3600) == 0)
{
Users->GarbageCollect();
FOREACH_MOD(I_OnGarbageCollect, OnGarbageCollect());
}
Timers->TickTimers(TIME.tv_sec);
this->DoBackgroundUserStuff();
if ((TIME.tv_sec % 5) == 0)
{
FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME.tv_sec));
SNO->FlushSnotices();
}
}
/* Call the socket engine to wait on the active
* file descriptors. The socket engine has everything's
* descriptors in its list... dns, modules, users,
* servers... so its nice and easy, just one call.
* This will cause any read or write events to be
* dispatched to their handlers.
*/
this->SE->DispatchTrialWrites();
this->SE->DispatchEvents();
/* if any users were quit, take them out */
GlobalCulls.Apply();
AtomicActions.Run();
if (s_signal)
{
this->SignalHandler(s_signal);
s_signal = 0;
}
}
return 0;
}
CmdResult CommandRehash::Handle (const std::vector<std::string>& parameters, User *user)
{
std::string param = parameters.size() ? parameters[0] : "";
FOREACH_MOD(I_OnPreRehash,OnPreRehash(user, param));
if (param.empty())
{
// standard rehash of local server
}
else if (param.find_first_of("*.") != std::string::npos)
{
// rehash of servers by server name (with wildcard)
if (!InspIRCd::Match(ServerInstance->Config->ServerName, parameters[0]))
{
// Doesn't match us. PreRehash is already done, nothing left to do
return CMD_SUCCESS;
}
}
else
{
// parameterized rehash
// the leading "-" is optional; remove it if present.
if (param[0] == '-')
param = param.substr(1);
FOREACH_MOD(I_OnModuleRehash,OnModuleRehash(user, param));
return CMD_SUCCESS;
}
// Rehash for me. Try to start the rehash thread
if (!ServerInstance->ConfigThread)
{
std::string m = user->nick + " is rehashing config file " + ServerConfig::CleanFilename(ServerInstance->ConfigFileName.c_str()) + " on " + ServerInstance->Config->ServerName;
ServerInstance->SNO->WriteGlobalSno('a', m);
if (IS_LOCAL(user))
user->WriteNumeric(RPL_REHASHING, "%s %s :Rehashing",
user->nick.c_str(),ServerConfig::CleanFilename(ServerInstance->ConfigFileName.c_str()));
else
ServerInstance->PI->SendUserNotice(user, std::string("*** Rehashing server ") +
ServerConfig::CleanFilename(ServerInstance->ConfigFileName.c_str()));
/* Don't do anything with the logs here -- logs are restarted
* after the config thread has completed.
*/
FOREACH_MOD(I_OnGarbageCollect, OnGarbageCollect());
ServerInstance->ConfigThread = new ConfigReaderThread(user->uuid);
ServerInstance->Threads->Start(ServerInstance->ConfigThread);
}
else
{
/*
* A rehash is already in progress! ahh shit.
* XXX, todo: we should find some way to kill runaway rehashes that are blocking, this is a major problem for unrealircd users
*/
if (IS_LOCAL(user))
user->WriteServ("NOTICE %s :*** Could not rehash: A rehash is already in progress.", user->nick.c_str());
else
ServerInstance->PI->SendUserNotice(user, "*** Could not rehash: A rehash is already in progress.");
}
// Always return success so spanningtree forwards an incoming REHASH even if we failed
return CMD_SUCCESS;
}
