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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2010 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include <signal.h>
#include "exitcodes.h"
#include "inspircd.h"
#include "inspircd_version.h"
void InspIRCd::SignalHandler(int signal)
{
if (signal == SIGHUP)
{
Rehash("Caught SIGHUP");
}
else if (signal == SIGTERM)
{
Exit(signal);
}
}
void InspIRCd::Exit(int status)
{
#ifdef WINDOWS
if (WindowsIPC)
delete WindowsIPC;
SetServiceStopped(status);
#endif
if (this)
{
this->SendError("Exiting with status " + ConvToStr(status) + " (" + std::string(ExitCodes[status]) + ")");
this->Cleanup();
delete this;
ServerInstance = NULL;
}
exit (status);
}
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());
ServerInstance->RehashUsersAndChans();
FOREACH_MOD(I_OnGarbageCollect, OnGarbageCollect());
if (!ServerInstance->ConfigThread)
{
ServerInstance->ConfigThread = new ConfigReaderThread("");
ServerInstance->Threads->Start(ServerInstance->ConfigThread);
}
}
std::string InspIRCd::GetVersionString(bool operstring)
{
char versiondata[MAXBUF];
if (operstring)
snprintf(versiondata,MAXBUF,"%s %s :%s [%s,%s,%s]",VERSION,Config->ServerName.c_str(),SYSTEM,REVISION,SE->GetName().c_str(),Config->sid.c_str());
else
snprintf(versiondata,MAXBUF,"InspIRCd-2.0 %s :%s",Config->ServerName.c_str(),Config->CustomVersion.c_str());
return versiondata;
}
const char InspIRCd::LogHeader[] =
"Log started for " VERSION " (" REVISION ", " MODULE_INIT_STR ")"
" - compiled on " SYSTEM;
void InspIRCd::BuildISupport()
{
// the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
std::stringstream v;
v << "WALLCHOPS WALLVOICES MODES=" << Config->Limits.MaxModes << " CHANTYPES=# PREFIX=" << this->Modes->BuildPrefixes() << " MAP MAXCHANNELS=" << Config->MaxChans << " MAXBANS=60 VBANLIST NICKLEN=" << Config->Limits.NickMax;
v << " CASEMAPPING=rfc1459 STATUSMSG=" << Modes->BuildPrefixes(false) << " CHARSET=ascii TOPICLEN=" << Config->Limits.MaxTopic << " KICKLEN=" << Config->Limits.MaxKick << " MAXTARGETS=" << Config->MaxTargets;
v << " AWAYLEN=" << Config->Limits.MaxAway << " CHANMODES=" << this->Modes->GiveModeList(MASK_CHANNEL) << " FNC NETWORK=" << Config->Network << " MAXPARA=32 ELIST=MU";
Config->data005 = v.str();
FOREACH_MOD(I_On005Numeric,On005Numeric(Config->data005));
Config->Update005();
}
void InspIRCd::IncrementUID(int pos)
{
/*
* Okay. The rules for generating a UID go like this...
* -- > ABCDEFGHIJKLMNOPQRSTUVWXYZ --> 012345679 --> WRAP
* That is, we start at A. When we reach Z, we go to 0. At 9, we go to
* A again, in an iterative fashion.. so..
* AAA9 -> AABA, and so on. -- w00t
*/
if (pos == 3)
{
// At pos 3, if we hit '9', we've run out of available UIDs, and need to reset to AAA..AAA.
if (current_uid[pos] == '9')
{
for (int i = 3; i < (UUID_LENGTH - 1); i++)
{
current_uid[i] = 'A';
}
}
else
{
// Buf if we haven't, just keep incrementing merrily.
current_uid[pos]++;
}
}
else
{
// If we hit Z, wrap around to 0.
if (current_uid[pos] == 'Z')
{
current_uid[pos] = '0';
}
else if (current_uid[pos] == '9')
{
/*
* Or, if we hit 9, wrap around to pos = 'A' and (pos - 1)++,
* e.g. A9 -> BA -> BB ..
*/
current_uid[pos] = 'A';
this->IncrementUID(pos - 1);
}
else
{
// Anything else, nobody gives a shit. Just increment.
current_uid[pos]++;
}
}
}
/*
* Retrieve the next valid UUID that is free for this server.
*/
std::string InspIRCd::GetUID()
{
static int curindex = -1;
/*
* If -1, we're setting up. Copy SID into the first three digits, 9's to the rest, null term at the end
* Why 9? Well, we increment before we find, otherwise we have an unnecessary copy, and I want UID to start at AAA..AA
* and not AA..AB. So by initialising to 99999, we force it to rollover to AAAAA on the first IncrementUID call.
* Kind of silly, but I like how it looks.
* -- w
*/
if (curindex == -1)
{
current_uid[0] = Config->sid[0];
current_uid[1] = Config->sid[1];
current_uid[2] = Config->sid[2];
for (int i = 3; i < (UUID_LENGTH - 1); i++)
current_uid[i] = '9';
curindex = UUID_LENGTH - 2; // look at the end of the string now kthx, ignore null
// Null terminator. Important.
current_uid[UUID_LENGTH - 1] = '\0';
}
while (1)
{
// Add one to the last UID
this->IncrementUID(curindex);
if (this->FindUUID(current_uid))
{
/*
* It's in use. We need to try the loop again.
*/
continue;
}
return current_uid;
}
/* not reached. */
return "";
}
|
