]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/inspircd.cpp
Mass-tidyup of module global vars, theyre no longer global vars.
[user/henk/code/inspircd.git] / src / inspircd.cpp
index 91ac303c8882a00fc8f81b7a0358122e963c026f..5ed9b1cc9d331d7d11707207a41daec404dca01b 100644 (file)
@@ -1,21 +1,32 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/* ---------------------------------------------------------------------
+ * 
+ *           +------------------------------------+
+ *           | Inspire Internet Relay Chat Daemon |
+ *           +------------------------------------+
  *
- *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *               <Craig@chatspike.net>
+ *      InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
+ *                          E-mail:
+ *                   <brain@chatspike.net>
+ *                   <Craig@chatspike.net>
  *     
- * Written by Craig Edwards, Craig McLure, and others.
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ *  Written by Craig Edwards, Craig McLure, and others.
+ *  This program is free but copyrighted software; you can redistribute
+ *  it and/or modify it under the terms of the GNU General Public
+ *  License as published by the Free Software Foundation, version 2
+ *  (two) ONLY.
  *
- * ---------------------------------------------------
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * ---------------------------------------------------------------------
  */
 
-/* Now with added unF! ;) */
-
 #include <algorithm>
 #include "inspircd_config.h"
 #include "inspircd.h"
 #include <fstream>
 #include <vector>
 #include <deque>
-#ifdef THREADED_DNS
-#include <pthread.h>
-#endif
-#ifdef HAS_EXECINFO
-#include <execinfo.h>
-#endif
 #include "users.h"
 #include "ctables.h"
 #include "globals.h"
 #include "modules.h"
 #include "dynamic.h"
 #include "wildcard.h"
-#include "message.h"
 #include "mode.h"
 #include "commands.h"
 #include "xline.h"
 #include "inspstring.h"
-#include "dnsqueue.h"
 #include "helperfuncs.h"
 #include "hashcomp.h"
 #include "socketengine.h"
+#include "inspircd_se_config.h"
 #include "userprocess.h"
 #include "socket.h"
 #include "typedefs.h"
 #include "command_parse.h"
 
-InspIRCd* ServerInstance;
-
-int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
-int WHOWAS_MAX = 100;  // default 100 people maximum in the WHOWAS list
+using irc::sockets::BindPorts;
+using irc::sockets::NonBlocking;
+using irc::sockets::insp_ntoa;
+using irc::sockets::insp_inaddr;
+using irc::sockets::insp_sockaddr;
 
-extern ModuleList modules;
-extern FactoryList factory;
+InspIRCd* ServerInstance = NULL;
 
-std::vector<InspSocket*> module_sockets;
-std::vector<userrec*> local_users;
-
-extern int MODCOUNT;
-extern char LOG_FILE[MAXBUF];
-int openSockfd[MAX_DESCRIPTORS];
-int yield_depth;
 int iterations = 0;
 
 insp_sockaddr client, server;
-
 socklen_t length;
 
-extern InspSocket* socket_ref[MAX_DESCRIPTORS];
-
 time_t TIME = time(NULL), OLDTIME = time(NULL);
 
-// This table references users by file descriptor.
-// its an array to make it VERY fast, as all lookups are referenced
-// by an integer, meaning there is no need for a scan/search operation.
-userrec* fd_ref_table[MAX_DESCRIPTORS];
-
 Server* MyServer = new Server;
-ServerConfig *Config = new ServerConfig;
-
-user_hash clientlist;
-chan_hash chanlist;
-
-servernamelist servernames;
 char lowermap[255];
 
-void AddServerName(const std::string &servername)
+void InspIRCd::AddServerName(const std::string &servername)
 {
        log(DEBUG,"Adding server name: %s",servername.c_str());
        
@@ -107,7 +90,7 @@ void AddServerName(const std::string &servername)
                servernames.push_back(servername); /* Wasn't already there. */
 }
 
-const char* FindServerNamePtr(const std::string &servername)
+const char* InspIRCd::FindServerNamePtr(const std::string &servername)
 {
        servernamelist::iterator iter = find(servernames.begin(), servernames.end(), servername);
        
@@ -120,55 +103,48 @@ const char* FindServerNamePtr(const std::string &servername)
        return iter->c_str();
 }
 
-bool FindServerName(const std::string &servername)
+bool InspIRCd::FindServerName(const std::string &servername)
 {
        return (find(servernames.begin(), servernames.end(), servername) != servernames.end());
 }
 
-void Exit(int status)
+void InspIRCd::Exit(int status)
 {
-       if (Config->log_file)
-               fclose(Config->log_file);
-       send_error("Server shutdown.");
+       if (ServerInstance->Config->log_file)
+               fclose(ServerInstance->Config->log_file);
+       ServerInstance->SendError("Server shutdown.");
        exit (status);
 }
 
-void Start()
+void InspIRCd::Start()
 {
        printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
        printf("(C) ChatSpike Development team.\033[0m\n\n");
-       printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om\033[0m\n");
+       printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special\033[0m\n");
        printf("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
        printf("Name concept:\t\t\033[1;32mLord_Zathras\033[0m\n\n");
 }
 
-void Killed(int status)
-{
-       if (Config->log_file)
-               fclose(Config->log_file);
-       send_error("Server terminated.");
-       exit(status);
-}
-
-void Rehash(int status)
+void InspIRCd::Rehash(int status)
 {
-       WriteOpers("Rehashing config file %s due to SIGHUP",CleanFilename(CONFIG_FILE));
-       fclose(Config->log_file);
-       OpenLog(NULL,0);
-       Config->Read(false,NULL);
+       ServerInstance->WriteOpers("Rehashing config file %s due to SIGHUP",ServerConfig::CleanFilename(CONFIG_FILE));
+       fclose(ServerInstance->Config->log_file);
+       ServerInstance->OpenLog(NULL,0);
+       ServerInstance->Config->Read(false,NULL);
        FOREACH_MOD(I_OnRehash,OnRehash(""));
 }
 
-void SetSignals()
+void InspIRCd::SetSignals(bool SEGVHandler)
 {
        signal (SIGALRM, SIG_IGN);
-       signal (SIGHUP, Rehash);
+       signal (SIGHUP, InspIRCd::Rehash);
        signal (SIGPIPE, SIG_IGN);
-       signal (SIGTERM, Exit);
-       signal (SIGSEGV, Error);
+       signal (SIGTERM, InspIRCd::Exit);
+       if (SEGVHandler)
+               signal (SIGSEGV, InspIRCd::Error);
 }
 
-bool DaemonSeed()
+bool InspIRCd::DaemonSeed()
 {
        int childpid;
        if ((childpid = fork ()) < 0)
@@ -199,7 +175,7 @@ bool DaemonSeed()
        return true;
 }
 
-void WritePID(const std::string &filename)
+void InspIRCd::WritePID(const std::string &filename)
 {
        std::ofstream outfile(filename.c_str());
        if (outfile.is_open())
@@ -234,21 +210,28 @@ void InspIRCd::MakeLowerMap()
        lowermap[(unsigned)'\\'] = '|';
 }
 
-InspIRCd::InspIRCd(int argc, char** argv)
+InspIRCd::InspIRCd(int argc, char** argv) : ModCount(-1)
 {
-       Start();
-       module_sockets.clear();
+       bool SEGVHandler = false;
+       ServerInstance = this;
+
+       modules.resize(255);
+       factory.resize(255);
+
+       this->Config = new ServerConfig(this);
+       this->Start();
+       this->module_sockets.clear();
        this->startup_time = time(NULL);
        srand(time(NULL));
        log(DEBUG,"*** InspIRCd starting up!");
-       if (!FileExists(CONFIG_FILE))
+       if (!ServerConfig::FileExists(CONFIG_FILE))
        {
                printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
                log(DEFAULT,"main: no config");
                printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
                Exit(ERROR);
        }
-       *LOG_FILE = 0;
+       *this->LogFileName = 0;
        if (argc > 1) {
                for (int i = 1; i < argc; i++)
                {
@@ -272,18 +255,28 @@ InspIRCd::InspIRCd(int argc, char** argv)
                        {
                                printf("WARNING: The `-nolimit' option is deprecated, and now on by default. This behaviour may change in the future.\n");
                        }
+                       else if (!strcmp(argv[i],"-notraceback"))
+                       {
+                               SEGVHandler = false;
+                       }
                        else if (!strcmp(argv[i],"-logfile"))
                        {
                                if (argc > i+1)
                                {
-                                       strlcpy(LOG_FILE,argv[i+1],MAXBUF);
-                                       printf("LOG: Setting logfile to %s\n",LOG_FILE);
+                                       strlcpy(LogFileName,argv[i+1],MAXBUF);
+                                       printf("LOG: Setting logfile to %s\n",LogFileName);
                                }
                                else
                                {
                                        printf("ERROR: The -logfile parameter must be followed by a log file name and path.\n");
                                        Exit(ERROR);
                                }
+                               i++;
+                       }
+                       else
+                       {
+                               printf("Usage: %s [-nofork] [-nolog] [-debug] [-wait] [-nolimit] [-notraceback] [-logfile <filename>]\n",argv[0]);
+                               Exit(ERROR);
                        }
                }
        }
@@ -294,13 +287,15 @@ InspIRCd::InspIRCd(int argc, char** argv)
 
        OpenLog(argv, argc);
        this->stats = new serverstats();
+       this->Parser = new CommandParser();
+       this->Timers = new TimerManager();
        Config->ClearStack();
-       Config->Read(true,NULL);
+       Config->Read(true, NULL);
        CheckRoot();
        this->ModeGrok = new ModeParser();
-       this->Parser = new CommandParser();
-       AddServerName(Config->ServerName);
+       this->AddServerName(Config->ServerName);
        CheckDie();
+       InitializeDisabledCommands(Config->DisabledCommands, this);
        stats->BoundPortCount = BindPorts(true);
 
        for(int t = 0; t < 255; t++)
@@ -309,10 +304,10 @@ InspIRCd::InspIRCd(int argc, char** argv)
        memset(&Config->implement_lists,0,sizeof(Config->implement_lists));
 
        printf("\n");
-       SetSignals();
+       this->SetSignals(SEGVHandler);
        if (!Config->nofork)
        {
-               if (!DaemonSeed())
+               if (!this->DaemonSeed())
                {
                        printf("ERROR: could not go into daemon mode. Shutting down.\n");
                        Exit(ERROR);
@@ -322,7 +317,9 @@ InspIRCd::InspIRCd(int argc, char** argv)
        /* Because of limitations in kqueue on freebsd, we must fork BEFORE we
         * initialize the socket engine.
         */
-       SE = new SocketEngine();
+       SocketEngineFactory* SEF = new SocketEngineFactory();
+       SE = SEF->Create();
+       delete SEF;
 
        /* We must load the modules AFTER initializing the socket engine, now */
 
@@ -332,11 +329,7 @@ InspIRCd::InspIRCd(int argc, char** argv)
 std::string InspIRCd::GetVersionString()
 {
        char versiondata[MAXBUF];
-#ifdef THREADED_DNS
-       char dnsengine[] = "multithread";
-#else
-       char dnsengine[] = "singlethread";
-#endif
+       char dnsengine[] = "singlethread-object";
        if (*Config->CustomVersion)
        {
                snprintf(versiondata,MAXBUF,"%s %s :%s",VERSION,Config->ServerName,Config->CustomVersion);
@@ -353,7 +346,7 @@ char* InspIRCd::ModuleError()
        return MODERR;
 }
 
-void InspIRCd::erase_factory(int j)
+void InspIRCd::EraseFactory(int j)
 {
        int v = 0;
        for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
@@ -368,14 +361,14 @@ void InspIRCd::erase_factory(int j)
        }
 }
 
-void InspIRCd::erase_module(int j)
+void InspIRCd::EraseModule(int j)
 {
        int v1 = 0;
-       for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
+       for (ModuleList::iterator m = modules.begin(); m!= modules.end(); m++)
        {
                if (v1 == j)
                {
-                       delete *m;
+                       DELETE(*m);
                        modules.erase(m);
                        modules.push_back(NULL);
                        break;
@@ -402,7 +395,7 @@ void InspIRCd::MoveTo(std::string modulename,int slot)
        {
                if (Config->module_names[v] == modulename)
                {
-                       // found an instance, swap it with the item at MODCOUNT
+                       // found an instance, swap it with the item at the end
                        v2 = v;
                        break;
                }
@@ -473,7 +466,7 @@ void InspIRCd::MoveToFirst(std::string modulename)
 
 void InspIRCd::MoveToLast(std::string modulename)
 {
-       MoveTo(modulename,MODCOUNT);
+       MoveTo(modulename,this->GetModuleCount());
 }
 
 void InspIRCd::BuildISupport()
@@ -501,11 +494,11 @@ bool InspIRCd::UnloadModule(const char* filename)
                                return false;
                        }
                        /* Give the module a chance to tidy out all its metadata */
-                       for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
+                       for (chan_hash::iterator c = this->chanlist.begin(); c != this->chanlist.end(); c++)
                        {
                                modules[j]->OnCleanup(TYPE_CHANNEL,c->second);
                        }
-                       for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
+                       for (user_hash::iterator u = this->clientlist.begin(); u != this->clientlist.end(); u++)
                        {
                                modules[j]->OnCleanup(TYPE_USER,u->second);
                        }
@@ -528,14 +521,14 @@ bool InspIRCd::UnloadModule(const char* filename)
                        }
 
                        // found the module
-                       log(DEBUG,"Deleting module...");
-                       erase_module(j);
-                       log(DEBUG,"Erasing module entry...");
-                       erase_factory(j);
                        log(DEBUG,"Removing dependent commands...");
                        Parser->RemoveCommands(filename);
+                       log(DEBUG,"Deleting module...");
+                       this->EraseModule(j);
+                       log(DEBUG,"Erasing module entry...");
+                       this->EraseFactory(j);
                        log(DEFAULT,"Module %s unloaded",filename);
-                       MODCOUNT--;
+                       this->ModCount--;
                        BuildISupport();
                        return true;
                }
@@ -556,7 +549,7 @@ bool InspIRCd::LoadModule(const char* filename)
        std::string filename_str = filename;
 #ifndef STATIC_LINK
 #ifndef IS_CYGWIN
-       if (!DirValid(modfile))
+       if (!ServerConfig::DirValid(modfile))
        {
                log(DEFAULT,"Module %s is not within the modules directory.",modfile);
                snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
@@ -566,7 +559,7 @@ bool InspIRCd::LoadModule(const char* filename)
 #endif
        log(DEBUG,"Loading module: %s",modfile);
 #ifndef STATIC_LINK
-       if (FileExists(modfile))
+       if (ServerConfig::FileExists(modfile))
        {
 #endif
                for (unsigned int j = 0; j < Config->module_names.size(); j++)
@@ -578,37 +571,37 @@ bool InspIRCd::LoadModule(const char* filename)
                                return false;
                        }
                }
-               ircd_module* a = new ircd_module(modfile);
-               factory[MODCOUNT+1] = a;
-               if (factory[MODCOUNT+1]->LastError())
-               {
-                       log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
-                       snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
-                       return false;
-               }
                try
                {
-                       if (factory[MODCOUNT+1]->factory)
+                       ircd_module* a = new ircd_module(modfile);
+                       factory[this->ModCount+1] = a;
+                       if (factory[this->ModCount+1]->LastError())
+                       {
+                               log(DEFAULT,"Unable to load %s: %s",modfile,factory[this->ModCount+1]->LastError());
+                               snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[this->ModCount+1]->LastError());
+                               return false;
+                       }
+                       if ((long)factory[this->ModCount+1]->factory != -1)
                        {
-                               Module* m = factory[MODCOUNT+1]->factory->CreateModule(MyServer);
-                               modules[MODCOUNT+1] = m;
+                               Module* m = factory[this->ModCount+1]->factory->CreateModule(MyServer);
+                               modules[this->ModCount+1] = m;
                                /* save the module and the module's classfactory, if
                                 * this isnt done, random crashes can occur :/ */
                                Config->module_names.push_back(filename);
 
-                               char* x = &Config->implement_lists[MODCOUNT+1][0];
+                               char* x = &Config->implement_lists[this->ModCount+1][0];
                                for(int t = 0; t < 255; t++)
                                        x[t] = 0;
 
-                               modules[MODCOUNT+1]->Implements(x);
+                               modules[this->ModCount+1]->Implements(x);
 
                                for(int t = 0; t < 255; t++)
-                                       Config->global_implementation[t] += Config->implement_lists[MODCOUNT+1][t];
+                                       Config->global_implementation[t] += Config->implement_lists[this->ModCount+1][t];
                        }
                        else
                        {
                                        log(DEFAULT,"Unable to load %s",modfile);
-                               snprintf(MODERR,MAXBUF,"Factory function failed!");
+                               snprintf(MODERR,MAXBUF,"Factory function failed: Probably missing init_module() entrypoint.");
                                return false;
                        }
                }
@@ -627,8 +620,8 @@ bool InspIRCd::LoadModule(const char* filename)
                return false;
        }
 #endif
-       MODCOUNT++;
-       FOREACH_MOD(I_OnLoadModule,OnLoadModule(modules[MODCOUNT],filename_str));
+       this->ModCount++;
+       FOREACH_MOD(I_OnLoadModule,OnLoadModule(modules[this->ModCount],filename_str));
        // now work out which modules, if any, want to move to the back of the queue,
        // and if they do, move them there.
        std::vector<std::string> put_to_back;
@@ -686,11 +679,6 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
        insp_sockaddr sock_us;     // our port number
        socklen_t uslen;         // length of our port number
 
-       if (yield_depth > 100)
-               return;
-
-       yield_depth++;
-
        /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
         * Once per loop iteration is pleanty.
         */
@@ -707,23 +695,10 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                expire_lines();
                if (process_module_sockets)
                {
-                       /* Fix by brain - the addition of DoOneIteration means that this
-                        * can end up getting called recursively in the following pattern:
-                        *
-                        * m_spanningtree DoPingChecks
-                        * (server pings out and is squit)
-                        * (squit causes call to DoOneIteration)
-                        * DoOneIteration enters here
-                        * calls DoBackground timer
-                        * enters m_spanningtree DoPingChecks... see step 1.
-                        *
-                        * This should do the job and fix the bug.
-                        */
                        FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME));
                }
-               TickMissedTimers(TIME);
+               Timers->TickMissedTimers(TIME);
                expire_run = true;
-               yield_depth--;
                return;
        }   
        else if ((TIME % 5) == 1)
@@ -734,7 +709,7 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
        if (iterations++ == 15)
        {
                iterations = 0;
-               DoBackgroundUserStuff(TIME);
+               this->DoBackgroundUserStuff(TIME);
        }
  
        /* Once a second, do the background processing */
@@ -744,7 +719,7 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                        WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME));
                if ((TIME % 3600) == 0)
                {
-                       MaintainWhoWas(TIME);
+                       irc::whowas::MaintainWhoWas(TIME);
                }
        }
 
@@ -754,9 +729,9 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
         * hit at all.   
         */ 
        if (process_module_sockets)
-               DoSocketTimeouts(TIME);  
+               this->DoSocketTimeouts(TIME);
         
-       TickTimers(TIME);
+       Timers->TickTimers(TIME);
         
        /* Call the socket engine to wait on the active
         * file descriptors. The socket engine has everything's
@@ -764,10 +739,7 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
         * servers... so its nice and easy, just one call.
         */
        if (!(numberactive = SE->Wait(activefds)))
-       {
-               yield_depth--;
                return;
-       }
 
        /**
         * Now process each of the fd's. For users, we have a fast
@@ -786,9 +758,9 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                        case X_ESTAB_CLIENT:
 
                                log(DEBUG,"Type: X_ESTAB_CLIENT: fd=%d",activefds[activefd]);
-                               cu = fd_ref_table[activefds[activefd]];
+                               cu = this->fd_ref_table[activefds[activefd]];
                                if (cu)
-                                       ProcessUser(cu);  
+                                       this->ProcessUser(cu);
        
                        break;
        
@@ -803,16 +775,16 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                                 * Modules are encouraged to inherit their sockets from
                                 * InspSocket so we can process them neatly like this.
                                 */
-                               s = socket_ref[activefds[activefd]]; 
+                               s = this->socket_ref[activefds[activefd]]; 
              
                                if ((s) && (!s->Poll()))
                                {
-                                       log(DEBUG,"inspircd.cpp: Socket poll returned false, close and bail");
+                                       log(DEBUG,"Socket poll returned false, close and bail");
                                        SE->DelFd(s->GetFd());
-                                       socket_ref[activefds[activefd]] = NULL;
+                                       this->socket_ref[activefds[activefd]] = NULL;
                                        for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
                                        {
-                                               s_del = (InspSocket*)*a;
+                                               s_del = *a;
                                                if ((s_del) && (s_del->GetFd() == activefds[activefd]))
                                                {
                                                        module_sockets.erase(a);
@@ -820,7 +792,7 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                                                }
                                        }
                                        s->Close();
-                                       delete s;
+                                       DELETE(s);
                                }
                                else if (!s)
                                {
@@ -830,22 +802,16 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                        break;
 
                        case X_ESTAB_DNS:
-                               /* When we are using single-threaded dns,
-                                * the sockets for dns end up in our mainloop.
-                                * When we are using multi-threaded dns,
-                                * each thread has its own basic poll() loop
-                                * within it, making them 'fire and forget'
-                                * and independent of the mainloop.
+                               /* Handles instances of the Resolver class,
+                                * a simple class extended by modules and the core for
+                                * nonblocking resolving of addresses.
                                 */
-#ifndef THREADED_DNS
-                               log(DEBUG,"Type: X_ESTAB_DNS: fd=%d",activefds[activefd]);
-                               dns_poll(activefds[activefd]);
-#endif
+                               this->Res->MarshallReads(activefds[activefd]);
                        break;
 
                        case X_LISTEN:
 
-                               log(DEBUG,"Type: X_LISTEN_MODULE: fd=%d",activefds[activefd]);
+                               log(DEBUG,"Type: X_LISTEN: fd=%d",activefds[activefd]);
 
                                /* It's a listener */
                                uslen = sizeof(sock_us);
@@ -854,7 +820,11 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
        
                                if ((incomingSockfd > -1) && (!getsockname(incomingSockfd,(sockaddr*)&sock_us,&uslen)))
                                {
+#ifdef IPV6
+                                       in_port = ntohs(sock_us.sin6_port);
+#else
                                        in_port = ntohs(sock_us.sin_port);
+#endif
                                        log(DEBUG,"Accepted socket %d",incomingSockfd);
                                        /* Years and years ago, we used to resolve here
                                         * using gethostbyaddr(). That is sucky and we
@@ -865,7 +835,11 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                                        {
                                                try
                                                {
-                                                       Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, (char*)inet_ntoa(client.sin_addr), in_port);
+#ifdef IPV6
+                                                       Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, insp_ntoa(client.sin6_addr), in_port);
+#else
+                                                       Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, insp_ntoa(client.sin_addr), in_port);
+#endif
                                                }
                                                catch (ModuleException& modexcept)
                                                {
@@ -873,12 +847,18 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                                                }
                                        }
                                        stats->statsAccept++;
-                                       AddClient(incomingSockfd, in_port, false, client.sin_addr);
-                                       log(DEBUG,"Adding client on port %lu fd=%lu",(unsigned long)in_port,(unsigned long)incomingSockfd);
+#ifdef IPV6
+                                       log(DEBUG,"Add ipv6 client");
+                                       userrec::AddClient(this, incomingSockfd, in_port, false, client.sin6_addr);
+#else
+                                       log(DEBUG,"Add ipv4 client");
+                                       userrec::AddClient(this, incomingSockfd, in_port, false, client.sin_addr);
+#endif
+                                       log(DEBUG,"Adding client on port %d fd=%d",in_port,incomingSockfd);
                                }
                                else
                                {
-                                       log(DEBUG,"Accept failed on fd %lu: %s",(unsigned long)incomingSockfd,strerror(errno));
+                                       log(DEBUG,"Accept failed on fd %d: %s",incomingSockfd,strerror(errno));
                                        shutdown(incomingSockfd,2);
                                        close(incomingSockfd);
                                        stats->statsRefused++;
@@ -896,20 +876,84 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                        break;
                }
        }
-       yield_depth--;
+}
+
+bool InspIRCd::IsIdent(const char* n)
+{
+       if (!n || !*n)
+               return false;
+
+       for (char* i = (char*)n; *i; i++)
+       {
+               if ((*i >= 'A') && (*i <= '}'))
+               {
+                       continue;
+               }
+               if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.'))
+               {
+                       continue;
+               }
+               return false;
+       }
+       return true;
+}
+
+
+bool InspIRCd::IsNick(const char* n)
+{
+       if (!n || !*n)
+               return false;
+
+       int p = 0; 
+       for (char* i = (char*)n; *i; i++, p++)
+       {
+               /* "A"-"}" can occur anywhere in a nickname */
+               if ((*i >= 'A') && (*i <= '}'))
+               {
+                       continue;
+               }
+               /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */
+               if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n))
+               {
+                       continue;
+               }
+               /* invalid character! abort */
+               return false;
+       }
+       return (p < NICKMAX - 1);
 }
 
 int InspIRCd::Run()
 {
-       /* Until THIS point, ServerInstance == NULL */
-       
-       LoadAllModules(this);
+       this->Res = new DNS(this);
+
+       log(DEBUG,"RES: %08x",this->Res);
+
+       this->LoadAllModules();
 
        /* Just in case no modules were loaded - fix for bug #101 */
        this->BuildISupport();
 
-       printf("\nInspIRCd is now running!\n");
-       
+       if (!stats->BoundPortCount)
+       {
+               printf("\nI couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
+               Exit(ERROR);
+       }
+
+       /* Add the listening sockets used for client inbound connections
+        * to the socket engine
+        */
+       log(DEBUG,"%d listeners",stats->BoundPortCount);
+       for (unsigned long count = 0; count < stats->BoundPortCount; count++)
+       {
+               log(DEBUG,"Add listener: %d",Config->openSockfd[count]);
+               if (!SE->AddFd(Config->openSockfd[count],true,X_LISTEN))
+               {
+                       printf("\nEH? Could not add listener to socketengine. You screwed up, aborting.\n");
+                       Exit(ERROR);
+               }
+       }
+
        if (!Config->nofork)
        {
                fclose(stdout);
@@ -917,17 +961,12 @@ int InspIRCd::Run()
                fclose(stdin);
        }
 
-       /* Add the listening sockets used for client inbound connections
-        * to the socket engine
-        */
-       for (int count = 0; count < stats->BoundPortCount; count++)
-               SE->AddFd(openSockfd[count],true,X_LISTEN);
+       printf("\nInspIRCd is now running!\n");
 
-       WritePID(Config->PID);
+       this->WritePID(Config->PID);
 
        /* main loop, this never returns */
        expire_run = false;
-       yield_depth = 0;
        iterations = 0;
 
        while (true)
@@ -946,17 +985,59 @@ int InspIRCd::Run()
 
 int main(int argc, char** argv)
 {
+       /* This is a MatchCIDR() test suite -
+       printf("Should be 0: %d\n",MatchCIDR("127.0.0.1","1.2.3.4/8"));
+       printf("Should be 1: %d\n",MatchCIDR("127.0.0.1","127.0.0.0/8"));
+       printf("Should be 1: %d\n",MatchCIDR("127.0.0.1","127.0.0.0/18"));
+       printf("Should be 0: %d\n",MatchCIDR("3ffe::0","2fc9::0/16"));
+       printf("Should be 1: %d\n",MatchCIDR("3ffe:1:3::0", "3ffe:1::0/32"));
+       exit(0); */
+
        try
        {
-               ServerInstance = new InspIRCd(argc, argv);
-               ServerInstance->Run();
-               delete ServerInstance;
+               try
+               {
+                       ServerInstance = new InspIRCd(argc, argv);
+                       ServerInstance->Run();
+                       DELETE(ServerInstance);
+               }
+               catch (std::bad_alloc&)
+               {
+                       log(SPARSE,"You are out of memory! (got exception std::bad_alloc!)");
+                       ServerInstance->SendError("**** OUT OF MEMORY **** We're gonna need a bigger boat!");
+               }
        }
-       catch (std::bad_alloc)
+       catch (...)
        {
-               log(DEFAULT,"You are out of memory! (got exception std::bad_alloc!)");
-               send_error("**** OUT OF MEMORY **** We're gonna need a bigger boat!");
-               printf("Out of memory! (got exception std::bad_alloc!");
+               log(SPARSE,"Uncaught exception, aborting.");
+               ServerInstance->SendError("Server terminating due to uncaught exception.");
        }
        return 0;
 }
+
+/* this returns true when all modules are satisfied that the user should be allowed onto the irc server
+ * (until this returns true, a user will block in the waiting state, waiting to connect up to the
+ * registration timeout maximum seconds)
+ */
+bool InspIRCd::AllModulesReportReady(userrec* user)
+{
+       if (!Config->global_implementation[I_OnCheckReady])
+               return true;
+
+       for (int i = 0; i <= this->GetModuleCount(); i++)
+       {
+               if (Config->implement_lists[i][I_OnCheckReady])
+               {
+                       int res = modules[i]->OnCheckReady(user);
+                       if (!res)
+                               return false;
+               }
+       }
+       return true;
+}
+
+int InspIRCd::GetModuleCount()
+{
+       return this->ModCount;
+}
+