+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+#include <signal.h>
+#include "exitcodes.h"
+#include "inspircd.h"
+
+
+void InspIRCd::SignalHandler(int signal)
+{
+ switch (signal)
+ {
+ case SIGHUP:
+ Rehash();
+ break;
+ case SIGTERM:
+ Exit(signal);
+ break;
+ }
+}
+
+void InspIRCd::Exit(int status)
+{
+#ifdef WINDOWS
+ delete WindowsIPC;
+#endif
+ if (this)
+ {
+ this->SendError("Exiting with status " + ConvToStr(status) + " (" + std::string(ExitCodes[status]) + ")");
+ this->Cleanup();
+ }
+ exit (status);
+}
+
+void InspIRCd::Rehash()
+{
+ this->WriteOpers("*** Rehashing config file %s due to SIGHUP",ServerConfig::CleanFilename(this->ConfigFileName));
+ this->CloseLog();
+ if (!this->OpenLog(this->Config->argv, this->Config->argc))
+ this->WriteOpers("*** ERROR: Could not open logfile %s: %s", Config->logpath.c_str(), strerror(errno));
+ this->RehashUsersAndChans();
+ FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
+ this->Config->Read(false,NULL);
+ this->ResetMaxBans();
+ this->Res->Rehash();
+ FOREACH_MOD_I(this,I_OnRehash,OnRehash(NULL,""));
+ this->BuildISupport();
+}
+
+void InspIRCd::RehashServer()
+{
+ this->WriteOpers("*** Rehashing config file");
+ this->RehashUsersAndChans();
+ this->Config->Read(false,NULL);
+ this->ResetMaxBans();
+ this->Res->Rehash();
+}
+
+std::string InspIRCd::GetVersionString()
+{
+ char versiondata[MAXBUF];
+ if (*Config->CustomVersion)
+ {
+ snprintf(versiondata,MAXBUF,"%s %s :%s",VERSION,Config->ServerName,Config->CustomVersion);
+ }
+ else
+ {
+ snprintf(versiondata,MAXBUF,"%s %s :%s [FLAGS=%s,%s,%d]",VERSION,Config->ServerName,SYSTEM,REVISION,SE->GetName().c_str(),Config->sid);
+ }
+ return versiondata;
+}
+
+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=" << MAXMODES << " CHANTYPES=# PREFIX=" << this->Modes->BuildPrefixes() << " MAP MAXCHANNELS=" << Config->MaxChans << " MAXBANS=60 VBANLIST NICKLEN=" << NICKMAX-1;
+ v << " CASEMAPPING=rfc1459 STATUSMSG=@%+ CHARSET=ascii TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=" << Config->MaxTargets << " AWAYLEN=";
+ v << MAXAWAY << " CHANMODES=" << this->Modes->ChanModes() << " FNC NETWORK=" << Config->Network << " MAXPARA=32 ELIST=MU";
+ Config->data005 = v.str();
+ FOREACH_MOD_I(this,I_On005Numeric,On005Numeric(Config->data005));
+ Config->Update005();
+}
+
+std::string InspIRCd::GetRevision()
+{
+ return REVISION;
+}
+
+void InspIRCd::AddServerName(const std::string &servername)
+{
+ servernamelist::iterator itr = servernames.begin();
+ for(; itr != servernames.end(); ++itr)
+ if(**itr == servername)
+ return;
+
+ string * ns = new string(servername);
+ servernames.push_back(ns);
+}
+
+const char* InspIRCd::FindServerNamePtr(const std::string &servername)
+{
+ servernamelist::iterator itr = servernames.begin();
+ for(; itr != servernames.end(); ++itr)
+ if(**itr == servername)
+ return (*itr)->c_str();
+
+ servernames.push_back(new string(servername));
+ itr = --servernames.end();
+ return (*itr)->c_str();
+}
+
+bool InspIRCd::FindServerName(const std::string &servername)
+{
+ servernamelist::iterator itr = servernames.begin();
+ for(; itr != servernames.end(); ++itr)
+ if(**itr == servername)
+ return true;
+ return false;
+}
+
+/*
+ * Retrieve the next valid UUID that is free for this server.
+ */
+std::string InspIRCd::GetUID()
+{
+ int i;
+
+ /*
+ * This will only finish once we return a UUID that is not in use.
+ */
+ while (1)
+ {
+ /*
+ * 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
+ */
+
+ /* start at the end of the current UID string, work backwards. don't trample on SID! */
+ for (i = UUID_LENGTH - 2; i > 3; i--)
+ {
+ if (current_uid[i] == 'Z')
+ {
+ /* reached the end of alphabetical, go to numeric range */
+ current_uid[i] = '0';
+ }
+ else if (current_uid[i] == '9')
+ {
+ /* we reached the end of the sequence, set back to A */
+ current_uid[i] = 'A';
+
+ /* we also need to increment the next digit. */
+ continue;
+ }
+ else
+ {
+ /* most common case .. increment current UID */
+ current_uid[i]++;
+ }
+
+ if (current_uid[3] == 'Z')
+ {
+ /*
+ * Ugh. We have run out of room.. roll back around to the
+ * start of the UUID namespace. -- w00t
+ */
+ this->InitialiseUID();
+
+ /*
+ * and now we need to break the inner for () to continue the while (),
+ * which will start the checking process over again. -- w00t
+ */
+ break;
+
+ }
+
+ if (this->FindUUID(current_uid))
+ {
+ /*
+ * It's in use. We need to try the loop again.
+ */
+ continue;
+ }
+
+ return current_uid;
+ }
+ }
+
+ /* not reached. */
+ return "";
+}
+
+