]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/inspircd.cpp
Added OnLoadModule and OnUnloadModule (OnLoadModule was not triggering)
[user/henk/code/inspircd.git] / src / inspircd.cpp
index ccf91b6decda72366a6a790ce9dbea6602410799..9523e13ca0c5abfa7f522506fef9d7c7445a95c9 100644 (file)
 
 using namespace std;
 
+#include "inspircd_config.h"
 #include "inspircd.h"
 #include "inspircd_io.h"
 #include "inspircd_util.h"
-#include "inspircd_config.h"
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/errno.h>
 #include <sys/ioctl.h>
 #include <sys/utsname.h>
+
 #ifdef USE_KQUEUE
 #include <sys/types.h>
 #include <sys/event.h>
 #include <sys/time.h>
 #endif
+
+#ifdef USE_EPOLL
+#include <sys/epoll.h>
+#define EP_DELAY 50
+#endif
+
 #include <time.h>
 #include <string>
 #ifdef GCC3
@@ -81,7 +88,9 @@ int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'sta
 int WHOWAS_MAX = 100;  // default 100 people maximum in the WHOWAS list
 int DieDelay  =  5;
 time_t startup_time = time(NULL);
-int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
+int NetBufferSize = 10240;     // NetBufferSize used as the buffer size for all read() ops
+int MaxConn = SOMAXCONN;       // size of accept() backlog (128 by default on *BSD)
+unsigned int SoftLimit = MAXCLIENTS;
 extern int MaxWhoResults;
 time_t nb_start = 0;
 int dns_timeout = 5;
@@ -92,9 +101,9 @@ bool AllowHalfop = true;
 bool AllowProtect = true;
 bool AllowFounder = true;
 
-extern std::vector<Module*, __single_client_alloc> modules;
-std::vector<std::string, __single_client_alloc> module_names;
-extern std::vector<ircd_module*, __single_client_alloc> factory;
+extern std::vector<Module*> modules;
+std::vector<std::string> module_names;
+extern std::vector<ircd_module*> factory;
 
 extern int MODCOUNT;
 int openSockfd[MAXSOCKS];
@@ -107,11 +116,20 @@ time_t TIME = time(NULL), OLDTIME = time(NULL);
 int kq, lkq, skq;
 #endif
 
-typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp, __single_client_alloc> user_hash;
-typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp, __single_client_alloc> chan_hash;
-typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp, __single_client_alloc> address_cache;
-typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp, __single_client_alloc> whowas_hash;
-typedef std::deque<command_t, __single_client_alloc> command_table;
+#ifdef USE_EPOLL
+int ep, lep, sep;
+#endif
+
+bool has_been_netsplit = false;
+extern std::vector<std::string> include_stack;
+
+typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
+typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
+typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp> address_cache;
+typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp> whowas_hash;
+typedef std::deque<command_t> command_table;
+typedef std::map<std::string,time_t> autoconnects;
+typedef std::vector<std::string> servernamelist;
 
 // This table references users by file descriptor.
 // its an array to make it VERY fast, as all lookups are referenced
@@ -128,11 +146,13 @@ user_hash clientlist;
 chan_hash chanlist;
 whowas_hash whowas;
 command_table cmdlist;
+autoconnects autoconns;
 file_cache MOTD;
 file_cache RULES;
 address_cache IP;
 
 ClassVector Classes;
+servernamelist servernames;
 
 struct linger linger = { 0 };
 char MyExecutable[1024];
@@ -153,7 +173,7 @@ void AddWhoWas(userrec* u);
 std::vector<long> auth_cookies;
 std::stringstream config_f(stringstream::in | stringstream::out);
 
-std::vector<userrec*, __single_client_alloc> all_opers;
+std::vector<userrec*> all_opers;
 
 char lowermap[255];
 
@@ -163,6 +183,27 @@ void AddOper(userrec* user)
        all_opers.push_back(user);
 }
 
+void AddServerName(std::string servername)
+{
+       log(DEBUG,"Adding server name: %s",servername.c_str());
+       for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
+       {
+               if (*a == servername)
+                       return;
+       }
+       servernames.push_back(servername);
+}
+
+const char* FindServerNamePtr(std::string servername)
+{
+       for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
+       {
+               if (*a == servername)
+                       return a->c_str();
+       }
+       return "";
+}
+
 void DeleteOper(userrec* user)
 {
         for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
@@ -176,7 +217,7 @@ void DeleteOper(userrec* user)
         }
 }
 
-long GetRevision()
+std::string GetRevision()
 {
        char Revision[] = "$Revision$";
        char *s1 = Revision;
@@ -185,7 +226,7 @@ long GetRevision()
        s1 = savept;
        v2 = strtok_r(s1," ",&savept);
        s1 = savept;
-       return (long)(atof(v2)*10000);
+       return std::string(v2);
 }
 
 
@@ -221,14 +262,16 @@ std::string getadminnick()
 
 void ReadConfig(bool bail, userrec* user)
 {
-       char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF];
-       char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF];
+       char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF],MCON[MAXBUF];
+       char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF],SLIMT[MAXBUF];
        ConnectClass c;
        std::stringstream errstr;
+       include_stack.clear();
        
        if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
        {
                errstr.seekg(0);
+               log(DEFAULT,"There were errors in your configuration:\n%s",errstr.str().c_str());
                if (bail)
                {
                        printf("There were errors in your configuration:\n%s",errstr.str().c_str());
@@ -282,12 +325,25 @@ void ReadConfig(bool bail, userrec* user)
        ConfValue("dns","timeout",0,DNT,&config_f);
        ConfValue("options","moduledir",0,ModPath,&config_f);
         ConfValue("disabled","commands",0,DisabledCommands,&config_f);
+       ConfValue("options","somaxconn",0,MCON,&config_f);
+       ConfValue("options","softlimit",0,SLIMT,&config_f);
 
+       SoftLimit = atoi(SLIMT);
+       if ((SoftLimit < 1) || (SoftLimit > MAXCLIENTS))
+       {
+               log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
+               SoftLimit = MAXCLIENTS;
+       }
+       MaxConn = atoi(MCON);
+       if (MaxConn > SOMAXCONN)
+               log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
        NetBufferSize = atoi(NB);
        MaxWhoResults = atoi(MW);
        dns_timeout = atoi(DNT);
        if (!dns_timeout)
                dns_timeout = 5;
+       if (!MaxConn)
+               MaxConn = SOMAXCONN;
        if (!DNSServer[0])
                strlcpy(DNSServer,"127.0.0.1",MAXBUF);
        if (!ModPath[0])
@@ -380,6 +436,20 @@ void ReadConfig(bool bail, userrec* user)
        read_xline_defaults();
        log(DEFAULT,"Applying K lines, Q lines and Z lines...");
        apply_lines();
+
+       autoconns.clear();
+        for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
+        {
+               char Link_ServerName[MAXBUF],Link_AConn[MAXBUF];
+                ConfValue("link","name",i,Link_ServerName,&config_f);
+                ConfValue("link","autoconnect",i,Link_AConn,&config_f);
+               if (strcmp(Link_AConn,""))
+               {
+                       autoconns[std::string(Link_ServerName)] = atoi(Link_AConn) + time(NULL);
+               }
+        }
+
+
        log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
        if (!bail)
        {
@@ -480,9 +550,9 @@ chanrec* add_channel(userrec *user, const char* cn, const char* key, bool overri
        // we MUST declare this wherever we use FOREACH_RESULT
        int MOD_RESULT = 0;
 
-       if (strlen(cname) > CHANMAX-1)
+       if (strlen(cname) > CHANMAX)
        {
-               cname[CHANMAX-1] = '\0';
+               cname[CHANMAX] = '\0';
        }
 
        log(DEBUG,"add_channel: %s %s",user->nick,cname);
@@ -783,6 +853,8 @@ chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool
                        chanlist.erase(iter);
                }
        }
+
+       return NULL;
 }
 
 
@@ -1063,6 +1135,8 @@ void kill_link(userrec *user,const char* r)
                NetSendToAll(buffer);
        }
 
+       user->FlushWriteBuf();
+
        FOREACH_MOD OnUserDisconnect(user);
 
        if (user->fd > -1)
@@ -1077,18 +1151,28 @@ void kill_link(userrec *user,const char* r)
                        log(DEBUG,"kqueue: Failed to remove user from queue!");
                }
 #endif
-                shutdown(user->fd,2);
-                close(user->fd);
-       }
-       
-       if (user->registered == 7) {
-               WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
-               AddWhoWas(user);
+#ifdef USE_EPOLL
+               struct epoll_event ev;
+               ev.events = EPOLLIN | EPOLLET;
+               ev.data.fd = user->fd;
+               int i = epoll_ctl(ep, EPOLL_CTL_DEL, user->fd, &ev);
+               if (i < 0)
+               {
+                       log(DEBUG,"epoll: List deletion failure!");
+               }
+#endif
+               user->CloseSocket();
        }
 
+       // this must come before the WriteOpers so that it doesnt try to fill their buffer with anything
+       // if they were an oper with +s.
         if (user->registered == 7) {
                 purge_empty_chans(user);
-        }
+               // fix by brain: only show local quits because we only show local connects (it just makes SENSE)
+               if (!strcmp(user->server,ServerName))
+                       WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
+               AddWhoWas(user);
+       }
 
        if (iter != clientlist.end())
        {
@@ -1117,6 +1201,8 @@ void kill_link_silent(userrec *user,const char* r)
        Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
        log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
 
+       user->FlushWriteBuf();
+
        if (user->registered == 7) {
                FOREACH_MOD OnUserQuit(user);
                WriteCommonExcept(user,"QUIT :%s",reason);
@@ -1141,8 +1227,17 @@ void kill_link_silent(userrec *user,const char* r)
                         log(DEBUG,"kqueue: Failed to remove user from queue!");
                 }
 #endif
-                shutdown(user->fd,2);
-                close(user->fd);
+#ifdef USE_EPOLL
+                struct epoll_event ev;
+                ev.events = EPOLLIN | EPOLLET;
+                ev.data.fd = user->fd;
+                int i = epoll_ctl(ep, EPOLL_CTL_DEL, user->fd, &ev);
+                if (i < 0)
+                {
+                        log(DEBUG,"epoll: List deletion failure!");
+                }
+#endif
+               user->CloseSocket();
         }
 
         if (user->registered == 7) {
@@ -1189,15 +1284,15 @@ int main(int argc, char** argv)
        strlcpy(MyExecutable,argv[0],MAXBUF);
        
        // initialize the lowercase mapping table
-       for (int cn = 0; cn < 256; cn++)
+       for (unsigned int cn = 0; cn < 256; cn++)
                lowermap[cn] = cn;
        // lowercase the uppercase chars
-       for (int cn = 65; cn < 91; cn++)
+       for (unsigned int cn = 65; cn < 91; cn++)
                lowermap[cn] = tolower(cn);
        // now replace the specific chars for scandanavian comparison
-       lowermap['['] = '{';
-       lowermap[']'] = '}';
-       lowermap['\\'] = '|';
+       lowermap[(unsigned)'['] = '{';
+       lowermap[(unsigned)']'] = '}';
+       lowermap[(unsigned)'\\'] = '|';
 
        if (InspIRCd(argv,argc) == ERROR)
        {
@@ -1251,10 +1346,10 @@ void AddWhoWas(userrec* u)
        whowas_hash::iterator iter = whowas.find(u->nick);
        WhoWasUser *a = new WhoWasUser();
        strlcpy(a->nick,u->nick,NICKMAX);
-       strlcpy(a->ident,u->ident,15);
+       strlcpy(a->ident,u->ident,IDENTMAX);
        strlcpy(a->dhost,u->dhost,160);
        strlcpy(a->host,u->host,160);
-       strlcpy(a->fullname,u->fullname,128);
+       strlcpy(a->fullname,u->fullname,MAXGECOS);
        strlcpy(a->server,u->server,256);
        a->signon = u->signon;
 
@@ -1265,7 +1360,7 @@ void AddWhoWas(userrec* u)
        
        if (iter == whowas.end())
        {
-               if (whowas.size() >= WHOWAS_MAX)
+               if (whowas.size() >= (unsigned)WHOWAS_MAX)
                {
                        for (whowas_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
                        {
@@ -1338,16 +1433,16 @@ void AddClient(int socket, char* host, int port, bool iscached, char* ip)
        log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
 
        clientlist[tempnick]->fd = socket;
-       strncpy(clientlist[tempnick]->nick, tn2,NICKMAX);
-       strncpy(clientlist[tempnick]->host, host,160);
-       strncpy(clientlist[tempnick]->dhost, host,160);
-       strncpy(clientlist[tempnick]->server, ServerName,256);
-       strncpy(clientlist[tempnick]->ident, "unknown",15);
+       strlcpy(clientlist[tempnick]->nick, tn2,NICKMAX);
+       strlcpy(clientlist[tempnick]->host, host,160);
+       strlcpy(clientlist[tempnick]->dhost, host,160);
+       clientlist[tempnick]->server = (char*)FindServerNamePtr(ServerName);
+       strlcpy(clientlist[tempnick]->ident, "unknown",IDENTMAX);
        clientlist[tempnick]->registered = 0;
        clientlist[tempnick]->signon = TIME+dns_timeout;
        clientlist[tempnick]->lastping = 1;
        clientlist[tempnick]->port = port;
-       strncpy(clientlist[tempnick]->ip,ip,16);
+       strlcpy(clientlist[tempnick]->ip,ip,16);
 
        // set the registration timeout for this user
        unsigned long class_regtimeout = 90;
@@ -1383,9 +1478,15 @@ void AddClient(int socket, char* host, int port, bool iscached, char* ip)
                clientlist[tempnick]->chans[i].uc_modes = 0;
        }
 
-       if (clientlist.size() == MAXCLIENTS)
+       if (clientlist.size() > SoftLimit)
        {
-               kill_link(clientlist[tempnick],"No more connections allowed in this class");
+               kill_link(clientlist[tempnick],"No more connections allowed");
+               return;
+       }
+
+       if (clientlist.size() >= MAXCLIENTS)
+       {
+               kill_link(clientlist[tempnick],"No more connections allowed");
                return;
        }
 
@@ -1396,7 +1497,7 @@ void AddClient(int socket, char* host, int port, bool iscached, char* ip)
        // irc server at once (or the irc server otherwise initiating this many connections, files etc)
        // which for the time being is a physical impossibility (even the largest networks dont have more
        // than about 10,000 users on ONE server!)
-       if (socket > 65534)
+       if ((unsigned)socket > 65534)
        {
                kill_link(clientlist[tempnick],"Server is full");
                return;
@@ -1417,6 +1518,17 @@ void AddClient(int socket, char* host, int port, bool iscached, char* ip)
        }
        fd_ref_table[socket] = clientlist[tempnick];
 
+#ifdef USE_EPOLL
+       struct epoll_event ev;
+       log(DEBUG,"epoll: Adduser to events, ep=%d socket=%d",ep,socket);
+       ev.events = EPOLLIN | EPOLLET;
+       ev.data.fd = socket;
+       int i = epoll_ctl(ep, EPOLL_CTL_ADD, socket, &ev);
+       if (i < 0)
+       {
+               log(DEBUG,"epoll: List insertion failure!");
+       }
+#endif
 #ifdef USE_KQUEUE
        struct kevent ke;
        log(DEBUG,"kqueue: Add user to events, kq=%d socket=%d",kq,socket);
@@ -1424,37 +1536,7 @@ void AddClient(int socket, char* host, int port, bool iscached, char* ip)
         int i = kevent(kq, &ke, 1, 0, 0, NULL);
         if (i == -1)
         {
-               switch (errno)
-               {
-                       case EACCES:
-                               log(DEBUG,"kqueue: EACCES");
-                       break;
-                       case EFAULT:
-                               log(DEBUG,"kqueue: EFAULT");
-                       break;
-                       case EBADF:
-                               log(DEBUG,"kqueue: EBADF=%d",ke.ident);
-                       break;
-                       case EINTR:
-                               log(DEBUG,"kqueue: EINTR");
-                       break;
-                       case EINVAL:
-                               log(DEBUG,"kqueue: EINVAL");
-                       break;
-                       case ENOENT:
-                               log(DEBUG,"kqueue: ENOENT");
-                       break;
-                       case ENOMEM:
-                               log(DEBUG,"kqueue: ENOMEM");
-                       break;
-                       case ESRCH:
-                               log(DEBUG,"kqueue: ESRCH");
-                       break;
-                       default:
-                               log(DEBUG,"kqueue: UNKNOWN!");
-                       break;
-               }
-                log(DEBUG,"kqueue: Failed to add user to queue!");
+                log(DEBUG,"kqueue: List insertion failure!");
         }
 
 #endif
@@ -1513,7 +1595,7 @@ void FullConnectUser(userrec* user)
         std::stringstream v;
         v << "MESHED WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
         v << " MAXBANS=60 NICKLEN=" << NICKMAX;
-        v << " TOPICLEN=307 KICKLEN=307 MAXTARGETS=20 AWAYLEN=307 CHANMODES=ohvb,k,l,psmnti NETWORK=";
+        v << " TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=20 AWAYLEN=" << MAXAWAY << " CHANMODES=ohvb,k,l,psmnti NETWORK=";
         v << Network;
         std::string data005 = v.str();
         FOREACH_MOD On005Numeric(data005);
@@ -1543,6 +1625,7 @@ void FullConnectUser(userrec* user)
 
        // fix by brain: these should be AFTER the N token, so other servers know what the HELL we're on about... :)
        FOREACH_MOD OnUserConnect(user);
+       FOREACH_MOD OnGlobalConnect(user);
        WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
 }
 
@@ -1569,8 +1652,12 @@ std::string GetVersionString()
         s1 = savept;
 #ifdef USE_KQUEUE
        char socketengine[] = "kqueue";
-#else
+#endif
+#ifdef USE_SELECT
        char socketengine[] = "select";
+#endif
+#ifdef USE_EPOLL
+       char socketengine[] = "epoll";
 #endif
        snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu) [SE=%s]",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION,socketengine);
        return versiondata;
@@ -1590,7 +1677,7 @@ void handle_version(char **parameters, int pcnt, userrec *user)
                        {
                                if (me[j] != NULL)
                                {
-                                       for (int x = 0; x < me[j]->connectors.size(); x++)
+                                       for (unsigned int x = 0; x < me[j]->connectors.size(); x++)
                                        {
                                                WriteServ(user->fd,"351 %s :Server %d:%d (%s): %s",user->nick,j,x,me[j]->connectors[x].GetServerName().c_str(),me[j]->connectors[x].GetVersionString().c_str());
                                        }
@@ -1608,7 +1695,7 @@ void handle_version(char **parameters, int pcnt, userrec *user)
                 {
                         if (me[j] != NULL)
                         {
-                                for (int x = 0; x < me[j]->connectors.size(); x++)
+                                for (unsigned int x = 0; x < me[j]->connectors.size(); x++)
                                 {
                                         if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
                                         {
@@ -1640,7 +1727,7 @@ void handle_version(char **parameters, int pcnt, userrec *user)
 
 void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
 {
-               for (int i = 0; i < cmdlist.size(); i++)
+               for (unsigned int i = 0; i < cmdlist.size(); i++)
                {
                        if (!strcasecmp(cmdlist[i].command,commandname))
                        {
@@ -1702,6 +1789,7 @@ void DoSplitEveryone()
                        }
                }
        }
+       has_been_netsplit = true;
 }
 
 
@@ -1817,7 +1905,7 @@ void process_command(userrec *user, char* cmd)
        int total_params = 0;
        if (strlen(cmd)>2)
        {
-               for (int q = 0; q < strlen(cmd)-1; q++)
+               for (unsigned int q = 0; q < strlen(cmd)-1; q++)
                {
                        if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
                        {
@@ -1864,7 +1952,7 @@ void process_command(userrec *user, char* cmd)
                items = 0;
                command_p[0] = NULL;
                parameters = NULL;
-               for (int i = 0; i <= strlen(cmd); i++)
+               for (unsigned int i = 0; i <= strlen(cmd); i++)
                {
                        cmd[i] = toupper(cmd[i]);
                }
@@ -1875,7 +1963,7 @@ void process_command(userrec *user, char* cmd)
                strcpy(cmd,"");
                j = 0;
                /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
-               for (int i = 0; i < strlen(temp); i++)
+               for (unsigned int i = 0; i < strlen(temp); i++)
                {
                        if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
                        {
@@ -1889,7 +1977,7 @@ void process_command(userrec *user, char* cmd)
                command = cmd;
                if (strchr(cmd,' '))
                {
-                       for (int i = 0; i <= strlen(cmd); i++)
+                       for (unsigned int i = 0; i <= strlen(cmd); i++)
                        {
                                /* capitalise the command ONLY, leave params intact */
                                cmd[i] = toupper(cmd[i]);
@@ -1905,7 +1993,7 @@ void process_command(userrec *user, char* cmd)
                }
                else
                {
-                       for (int i = 0; i <= strlen(cmd); i++)
+                       for (unsigned int i = 0; i <= strlen(cmd); i++)
                        {
                                cmd[i] = toupper(cmd[i]);
                        }
@@ -1920,7 +2008,7 @@ void process_command(userrec *user, char* cmd)
                return;
        }
        
-       for (int x = 0; x < strlen(command); x++)
+       for (unsigned int x = 0; x < strlen(command); x++)
        {
                if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
                {
@@ -1936,7 +2024,7 @@ void process_command(userrec *user, char* cmd)
                }
        }
 
-       for (int i = 0; i != cmdlist.size(); i++)
+       for (unsigned int i = 0; i != cmdlist.size(); i++)
        {
                if (cmdlist[i].command[0])
                {
@@ -1997,21 +2085,18 @@ void process_command(userrec *user, char* cmd)
                                        }
                                        if ((user->registered == 7) && (!strchr(user->modes,'o')))
                                        {
-                                               char* mycmd;
-                                               char* savept2;
-                                               mycmd = strtok_r(DisabledCommands," ",&savept2);
-                                               while (mycmd)
+                                               std::stringstream dcmds(DisabledCommands);
+                                               while (!dcmds.eof())
                                                {
-                                                       if (!strcasecmp(mycmd,command))
+                                                       std::string thiscmd;
+                                                       dcmds >> thiscmd;
+                                                       if (!strcasecmp(thiscmd.c_str(),command))
                                                        {
                                                                // command is disabled!
                                                                WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
                                                                return;
                                                        }
-                                                       mycmd = strtok_r(NULL," ",&savept2);
                                                }
-        
-
                                        }
                                        if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
                                        {
@@ -2148,7 +2233,7 @@ void DoSync(serverrec* serv, char* tcp_host)
         {
                 if (me[j] != NULL)
                 {
-                        for (int k = 0; k < me[j]->connectors.size(); k++)
+                        for (unsigned int k = 0; k < me[j]->connectors.size(); k++)
                         {
                                 if (is_uline(me[j]->connectors[k].GetServerName().c_str()))
                                 {
@@ -2176,7 +2261,7 @@ void DoSync(serverrec* serv, char* tcp_host)
                for (int i = 0; i <= MODCOUNT; i++)
                {
                        string_list l = modules[i]->OnUserSync(u->second);
-                       for (int j = 0; j < l.size(); j++)
+                       for (unsigned int j = 0; j < l.size(); j++)
                        {
                                snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
                                serv->SendPacket(data,tcp_host);
@@ -2197,7 +2282,7 @@ void DoSync(serverrec* serv, char* tcp_host)
                for (int i = 0; i <= MODCOUNT; i++)
                {
                        string_list l = modules[i]->OnChannelSync(c->second);
-                       for (int j = 0; j < l.size(); j++)
+                       for (unsigned int j = 0; j < l.size(); j++)
                        {
                                snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
                                serv->SendPacket(data,tcp_host);
@@ -2241,7 +2326,7 @@ void NetSendMyRoutingTable()
        {
                if (me[i] != NULL)
                {
-                       for (int j = 0; j < me[i]->connectors.size(); j++)
+                       for (unsigned int j = 0; j < me[i]->connectors.size(); j++)
                        {
                                if ((me[i]->connectors[j].GetState() != STATE_DISCONNECTED) || (is_uline(me[i]->connectors[j].GetServerName().c_str())))
                                {
@@ -2301,6 +2386,7 @@ void DoSplit(const char* params)
                        }
                }
        }
+       has_been_netsplit = true;
 }
 
 // removes a server. Will NOT remove its users!
@@ -2384,7 +2470,7 @@ void erase_module(int j)
 bool UnloadModule(const char* filename)
 {
        std::string filename_str = filename;
-       for (int j = 0; j != module_names.size(); j++)
+       for (unsigned int j = 0; j != module_names.size(); j++)
        {
                if (module_names[j] == filename_str)
                {
@@ -2394,6 +2480,7 @@ bool UnloadModule(const char* filename)
                                snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
                                return false;
                        }
+                       FOREACH_MOD OnUnloadModule(modules[j],module_names[j]);
                        // found the module
                        log(DEBUG,"Deleting module...");
                        erase_module(j);
@@ -2414,18 +2501,26 @@ bool UnloadModule(const char* filename)
 bool LoadModule(const char* filename)
 {
        char modfile[MAXBUF];
+#ifdef STATIC_LINK
+       snprintf(modfile,MAXBUF,"%s",filename);
+#else
        snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
+#endif
        std::string filename_str = filename;
+#ifndef STATIC_LINK
        if (!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);
                return false;
        }
+#endif
        log(DEBUG,"Loading module: %s",modfile);
+#ifndef STATIC_LINK
         if (FileExists(modfile))
         {
-               for (int j = 0; j < module_names.size(); j++)
+#endif
+               for (unsigned int j = 0; j < module_names.size(); j++)
                {
                        if (module_names[j] == filename_str)
                        {
@@ -2447,6 +2542,7 @@ bool LoadModule(const char* filename)
                 {
                        Module* m = factory[MODCOUNT+1]->factory->CreateModule();
                         modules[MODCOUNT+1] = m;
+                       FOREACH_MOD OnLoadModule(m,filename_str);
                         /* save the module and the module's classfactory, if
                          * this isnt done, random crashes can occur :/ */
                         module_names.push_back(filename);
@@ -2457,6 +2553,7 @@ bool LoadModule(const char* filename)
                        snprintf(MODERR,MAXBUF,"Factory function failed!");
                        return false;
                 }
+#ifndef STATIC_LINK
         }
         else
         {
@@ -2464,10 +2561,31 @@ bool LoadModule(const char* filename)
                snprintf(MODERR,MAXBUF,"Module file could not be found");
                return false;
         }
+#endif
        MODCOUNT++;
        return true;
 }
 
+
+bool GotServer(std::string name)
+{
+        for (int j = 0; j < 32; j++)
+        {
+                if (me[j] != NULL)
+                {
+                        for (unsigned int k = 0; k < me[j]->connectors.size(); k++)
+                        {
+                               if (name == me[j]->connectors[k].GetServerName())
+                               {
+                                       return true;
+                               }
+                        }
+                }
+        }
+       return false;
+}
+
+
 int InspIRCd(char** argv, int argc)
 {
        struct sockaddr_in client,server;
@@ -2475,9 +2593,11 @@ int InspIRCd(char** argv, int argc)
        int incomingSockfd, result = TRUE;
        socklen_t length;
        int count = 0;
+#ifdef USE_SELECT
        int selectResult = 0, selectResult2 = 0;
-       char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
        fd_set selectFds;
+#endif
+       char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
        timeval tv;
 
        std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
@@ -2487,7 +2607,12 @@ int InspIRCd(char** argv, int argc)
                printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
                Exit(ERROR);
        }
+
+#ifdef IS_CYGWIN
+       printf("Logging to ircd.log...\n");
+#else
        printf("Logging to %s...\n",logpath.c_str());
+#endif
 
        log(DEFAULT,"$Id$");
        if (geteuid() == 0)
@@ -2508,6 +2633,8 @@ int InspIRCd(char** argv, int argc)
        }  
        log(DEBUG,"InspIRCd: startup: read config");
 
+       AddServerName(ServerName);
+
        int clientportcount = 0, serverportcount = 0;
 
        for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
@@ -2575,7 +2702,7 @@ int InspIRCd(char** argv, int argc)
        WritePID(PID);
          
        /* setup select call */
-#ifndef USE_KQUEUE
+#ifdef USE_SELECT
        FD_ZERO(&selectFds);
 #endif
        log(DEBUG,"InspIRCd: startup: zero selects");
@@ -2638,19 +2765,63 @@ int InspIRCd(char** argv, int argc)
         }
 #endif
 
+#ifdef USE_EPOLL
+       ep = epoll_create(MAXCLIENTS);
+       lep = epoll_create(32);
+       sep = epoll_create(128);
+       if ((ep == -1) || (lep == -1) || (sep == -1))
+       {
+               log(DEFAULT,"main: epoll_create() failed!");
+               printf("ERROR: could not initialise epoll event system. Shutting down.\n");
+               Exit(ERROR);
+       }
+#endif
 
+#ifdef USE_EPOLL
+       log(DEFAULT,"epoll socket engine is enabled. Filling listen list. boundPortcount=%d",boundPortCount);
+       for (count = 0; count < boundPortCount; count++)
+       {
+               struct epoll_event ev;
+               log(DEBUG,"epoll: Add listening socket to events, ep=%d socket=%d",lep,openSockfd[count]);
+               ev.events = EPOLLIN | EPOLLET;
+               ev.data.fd = openSockfd[count];
+               int i = epoll_ctl(lep, EPOLL_CTL_ADD, openSockfd[count], &ev);
+               if (i < 0)
+               {
+                       log(DEFAULT,"main: add listen ports, epoll_ctl failed!");
+                       printf("ERROR: could not initialise listening sockets in epoll list. Shutting down.\n");
+                       Exit(ERROR);
+               }
+               
+       }
+       for (int t = 0; t != SERVERportCount; t++)
+       {
+               struct epoll_event ev;
+               log(DEBUG,"epoll: Add listening server socket to events, ep=%d socket=%d",sep,me[t]->fd);
+               ev.events = EPOLLIN | EPOLLET;
+               ev.data.fd = me[t]->fd;
+               int i = epoll_ctl(sep, EPOLL_CTL_ADD, me[t]->fd, &ev);
+               if (i == -1)
+               {
+                       log(DEFAULT,"main: add server listen ports, epoll_ctl failed!");
+                       printf("ERROR: could not initialise server listening sockets in epoll list. Shutting down.\n");
+                       Exit(ERROR);
+               }
+       }
+#else
 #ifdef USE_KQUEUE
        log(DEFAULT,"kqueue socket engine is enabled. Filling listen list.");
        for (count = 0; count < boundPortCount; count++)
        {
                struct kevent ke;
                log(DEBUG,"kqueue: Add listening socket to events, kq=%d socket=%d",lkq,openSockfd[count]);
-               EV_SET(&ke, openSockfd[count], EVFILT_READ, EV_ADD, 0, 5, NULL);
+               EV_SET(&ke, openSockfd[count], EVFILT_READ, EV_ADD, 0, MaxConn, NULL);
                int i = kevent(lkq, &ke, 1, 0, 0, NULL);
                if (i == -1)
                {
                        log(DEFAULT,"main: add listen ports to kqueue failed!");
                        printf("ERROR: could not initialise listening sockets in kqueue. Shutting down.\n");
+                       Exit(ERROR);
                }
        }
         for (int t = 0; t != SERVERportCount; t++)
@@ -2659,12 +2830,13 @@ int InspIRCd(char** argv, int argc)
                 if (me[t])
                 {
                        log(DEBUG,"kqueue: Add listening SERVER socket to events, kq=%d socket=%d",skq,me[t]->fd);
-                       EV_SET(&ke, me[t]->fd, EVFILT_READ, EV_ADD, 0, 5, NULL);
+                       EV_SET(&ke, me[t]->fd, EVFILT_READ, EV_ADD, 0, MaxConn, NULL);
                        int i = kevent(skq, &ke, 1, 0, 0, NULL);
                        if (i == -1)
                        {
                                log(DEFAULT,"main: add server listen ports to kqueue failed!");
                                printf("ERROR: could not initialise listening server sockets in kqueue. Shutting down.\n");
+                               Exit(ERROR);
                        }
                }
         }
@@ -2672,6 +2844,7 @@ int InspIRCd(char** argv, int argc)
 
 #else
        log(DEFAULT,"Using standard select socket engine.");
+#endif
 #endif
 
        WritePID(PID);
@@ -2684,7 +2857,13 @@ int InspIRCd(char** argv, int argc)
        struct kevent ke_list[33];
         struct timespec ts;
 #endif
+#ifdef USE_EPOLL
+       struct epoll_event event[33];
+#endif
+#ifdef USE_SELECT
         fd_set serverfds;
+       fd_set sfd;
+#endif
         timeval tvs;
         tvs.tv_usec = 10000L;
         tvs.tv_sec = 0;
@@ -2692,7 +2871,6 @@ int InspIRCd(char** argv, int argc)
        tv.tv_usec = 10000L;
         char data[65536];
        timeval tval;
-       fd_set sfd;
         tval.tv_usec = 10000L;
         tval.tv_sec = 0;
         int total_in_this_set = 0;
@@ -2705,10 +2883,9 @@ int InspIRCd(char** argv, int argc)
 #ifdef _POSIX_PRIORITY_SCHEDULING
                sched_yield();
 #endif
-#ifndef USE_KQUEUE
+#ifdef USE_SELECT
                FD_ZERO(&sfd);
 #endif
-
                // we only read time() once per iteration rather than tons of times!
                OLDTIME = TIME;
                TIME = time(NULL);
@@ -2719,6 +2896,25 @@ int InspIRCd(char** argv, int argc)
                // them in a list, then reap the list every second or so.
                if (((TIME % 5) == 0) && (!expire_run))
                {
+                       for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
+                       {
+                               char Link_ServerName[MAXBUF],Link_AConn[MAXBUF];
+                               ConfValue("link","name",i,Link_ServerName,&config_f);
+                               ConfValue("link","autoconnect",i,Link_AConn,&config_f);
+                               if ((Link_AConn[0]) && (!GotServer(Link_ServerName)))
+                               {
+                                       autoconnects::iterator a = autoconns.find(std::string(Link_ServerName));
+                                       if (a != autoconns.end())
+                                       {
+                                               if (TIME > a->second)
+                                               {
+                                                       ConnectServer(Link_ServerName,NULL);
+                                                       a->second = TIME + atoi(Link_AConn);
+                                               }
+                                       }
+                               }
+                       }
+
                        expire_lines();
                        FOREACH_MOD OnBackgroundTimer(TIME);
                        expire_run = true;
@@ -2730,6 +2926,16 @@ int InspIRCd(char** argv, int argc)
                // fix by brain - this must be below any manipulation of the hashmap by modules
                user_hash::iterator count2 = clientlist.begin();
 
+#ifdef USE_EPOLL
+               i = epoll_wait(sep, event, 1, EP_DELAY);
+               if (i > 0)
+               {
+                       log(DEBUG,"epoll: Listening server socket event, i=%d, event.data.fd=%d",i,event[0].data.fd);
+                       for (int x = 0; x != SERVERportCount; x++)
+                       {
+                               if ((me[x]) && ((unsigned)event[0].data.fd == (unsigned)me[x]->fd))
+                               {
+#endif
 #ifdef USE_KQUEUE
                ts.tv_sec = 0;
                ts.tv_nsec = 30000L;
@@ -2739,10 +2945,11 @@ int InspIRCd(char** argv, int argc)
                        log(DEBUG,"kqueue: Listening server socket event, i=%d, ke.ident=%d",i,ke.ident);
                        for (int x = 0; x != SERVERportCount; x++)
                        {
-                               if ((me[x]) && (ke.ident == me[x]->fd))
+                               if ((me[x]) && ((unsigned)ke.ident == (unsigned)me[x]->fd))
                                {
 
-#else
+#endif
+#ifdef USE_SELECT
                FD_ZERO(&serverfds);
                for (int x = 0; x != SERVERportCount; x++)
                {
@@ -2751,7 +2958,7 @@ int InspIRCd(char** argv, int argc)
                }
                tvs.tv_usec = 30000L;
                tvs.tv_sec = 0;
-               int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
+               int servresult = select(FD_SETSIZE, &serverfds, NULL, NULL, &tvs);
                if (servresult > 0)
                {
                        for (int x = 0; x != SERVERportCount; x++)
@@ -2777,21 +2984,24 @@ int InspIRCd(char** argv, int argc)
                        }
                }
      
+               std::deque<std::string> msgs;
+               std::deque<std::string> sums;
                for (int x = 0; x < SERVERportCount; x++)
                {
-                       std::deque<std::string> msgs;
-                       std::deque<std::string> sums;
-                       msgs.clear();
+                       if (me[x])
+                               me[x]->FlushWriteBuffers();
                        sums.clear();
-                       if ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host, sums)))
+                       msgs.clear();
+                       while ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host, sums))) // returns 0 or more lines (can be multiple lines!)
                        {
-                               for (int ctr = 0; ctr < msgs.size(); ctr++)
+                               has_been_netsplit = false;
+                               for (unsigned int ctr = 0; ctr < msgs.size(); ctr++)
                                {
                                        strlcpy(tcp_msg,msgs[ctr].c_str(),MAXBUF);
-                                       strlcpy(tcp_sum,msgs[ctr].c_str(),MAXBUF);
+                                       strlcpy(tcp_sum,sums[ctr].c_str(),MAXBUF);
                                        log(DEBUG,"Processing: %s",tcp_msg);
                                        if (!tcp_msg[0])
-                                       {
+                                       {
                                                log(DEBUG,"Invalid string from %s [route%lu]",tcp_host,(unsigned long)x);
                                                break;
                                        }
@@ -2811,7 +3021,13 @@ int InspIRCd(char** argv, int argc)
                                        std::string msg = tcp_msg;
                                        FOREACH_MOD OnPacketReceive(msg,tcp_host);
                                        strlcpy(tcp_msg,msg.c_str(),MAXBUF);
-                                       handle_link_packet(tcp_msg, tcp_host, me[x], tcp_sum);
+                                       if (me[x])
+                                               handle_link_packet(tcp_msg, tcp_host, me[x], tcp_sum);
+                                       if (!me[x]->FindHost(tcp_host))
+                                       {
+                                               log(DEBUG,"Connector gone, bailing!");
+                                               goto label;
+                                       }
                                }
                                goto label;
                        }
@@ -2819,7 +3035,7 @@ int InspIRCd(char** argv, int argc)
        
        while (count2 != clientlist.end())
        {
-#ifndef USE_KQUEUE
+#ifdef USE_SELECT
                FD_ZERO(&sfd);
 #endif
 
@@ -2835,6 +3051,9 @@ int InspIRCd(char** argv, int argc)
                if (count2->second)
                        curr = count2->second;
 
+               if ((long)curr == -1)
+                       goto label;
+
                if ((curr) && (curr->fd != 0))
                {
 #ifdef _POSIX_PRIORITY_SCHEDULING
@@ -2845,14 +3064,17 @@ int InspIRCd(char** argv, int argc)
                        //
                        // This should be up to 64x faster than the
                        // old implementation.
-#ifndef USE_KQUEUE
+#ifdef USE_SELECT
                        while (total_in_this_set < 1024)
                        {
                                if (count2 != clientlist.end())
                                {
                                        curr = count2->second;
+                                       if ((long)curr == -1)
+                                               goto label;
+                                       int currfd = curr->fd;
                                        // we don't check the state of remote users.
-                                       if ((curr->fd != -1) && (curr->fd != FD_MAGIC_NUMBER))
+                                       if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
                                        {
                                                curr->FlushWriteBuf();
                                                if (curr->GetWriteError() != "")
@@ -2878,13 +3100,15 @@ int InspIRCd(char** argv, int argc)
                                                        curr->dns_done = true;
                                                        statsDnsBad++;
                                                        FullConnectUser(curr);
-                                                       goto label;
+                                                        if (fd_ref_table[currfd] != curr) // something changed, bail pronto
+                                                               goto label;                                                        
                                                }
                                                if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr))) // both NICK and USER... and DNS
                                                {
                                                        log(DEBUG,"dns done, registered=3, and modules ready, OK");
                                                        FullConnectUser(curr);
-                                                       goto label;
+                                                        if (fd_ref_table[currfd] != curr) // something changed, bail pronto
+                                                                goto label;
                                                }
                                                if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
                                                {
@@ -2908,17 +3132,20 @@ int InspIRCd(char** argv, int argc)
                        endingiter = count2;
                                count2 = xcount; // roll back to where we were
 #else
-                       // KQUEUE: We don't go through a loop to fill the fd_set so instead we must manually do this loop every now and again.
+                       // KQUEUE and EPOLL: We don't go through a loop to fill the fd_set so instead we must manually do this loop every now and again.
                        // TODO: We dont need to do all this EVERY loop iteration, tone down the visits to this if we're using kqueue.
                        cycle_iter++;
-                       if (cycle_iter > 10) while (count2 != clientlist.end())
+                       if (cycle_iter > 20) while (count2 != clientlist.end())
                        {
                                cycle_iter = 0;
                                if (count2 != clientlist.end())
                                {
                                        curr = count2->second;
+                                        if ((long)curr == -1)
+                                                goto label;
+                                       int currfd = curr->fd;
                                        // we don't check the state of remote users.
-                                       if ((curr->fd != -1) && (curr->fd != FD_MAGIC_NUMBER))
+                                       if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
                                        {
 
                                                 curr->FlushWriteBuf();
@@ -2931,11 +3158,12 @@ int InspIRCd(char** argv, int argc)
 
                                                // registration timeout -- didnt send USER/NICK/HOST in the time specified in
                                                // their connection class.
-                                               if ((TIME > curr->timeout) && (curr->registered != 7))
+                                               if (((unsigned)TIME > (unsigned)curr->timeout) && (curr->registered != 7))
                                                {
                                                        log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
                                                        kill_link(curr,"Registration timeout");
-                                                       goto label;
+                                                       goto label;
+
                                                }
                                                if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
                                                {
@@ -2943,13 +3171,15 @@ int InspIRCd(char** argv, int argc)
                                                        curr->dns_done = true;
                                                        statsDnsBad++;
                                                        FullConnectUser(curr);
-                                                       goto label;
+                                                        if (fd_ref_table[currfd] != curr) // something changed, bail pronto
+                                                                goto label;
                                                }
                                                if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
                                                {
                                                        log(DEBUG,"dns done, registered=3, and modules ready, OK");
                                                        FullConnectUser(curr);
-                                                       goto label;
+                                                        if (fd_ref_table[currfd] != curr) // something changed, bail pronto
+                                                                goto label;
                                                }
                                                if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
                                                {
@@ -2973,7 +3203,14 @@ int InspIRCd(char** argv, int argc)
 #endif
         
                        v = 0;
-
+#ifdef USE_EPOLL
+                       int i = epoll_wait(ep, event, 1, 5);
+                       if (i > 0)
+                       {
+                               log(DEBUG,"epoll_wait call: ep=%d, i=%d",ep,i);
+                               // EPOLL: we asked epoll_wait for ONE fd which is ready. Do something.
+                               userrec* cu = fd_ref_table[event[0].data.fd];
+#endif
 #ifdef USE_KQUEUE
                        ts.tv_sec = 0;
                        ts.tv_nsec = 1000L;
@@ -2984,15 +3221,18 @@ int InspIRCd(char** argv, int argc)
                                log(DEBUG,"kevent call: kq=%d, i=%d",kq,i);
                                // KQUEUE: kevent gives us ONE fd which is ready to have something done to it. Do something to it.
                                userrec* cu = fd_ref_table[ke.ident];
-#else
+#endif
+#ifdef USE_SELECT
+                       tval.tv_sec = 0;
                        tval.tv_usec = 1000L;
-                       selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
-                       
+                       selectResult2 = select(FD_SETSIZE, &sfd, NULL, NULL, &tval);
                        // now loop through all of the items in this pool if any are waiting
-                       if (selectResult2 > 0)
+                       if ((selectResult2 > 0) && (xcount != clientlist.end()))
                        for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
                        {
                                // SELECT: we have to iterate...
+                               if (count2a == clientlist.end())
+                                       break;
                                userrec* cu = count2a->second;
 #endif
 
@@ -3000,10 +3240,15 @@ int InspIRCd(char** argv, int argc)
                                sched_yield();
 #endif
                                result = EAGAIN;
+#ifdef USE_EPOLL
+                               // EPOLL: We already know we have a valid FD. No checks needed.
+                               if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
+#endif
 #ifdef USE_KQUEUE
                                // KQUEUE: We already know we have a valid FD. No checks needed.
                                if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
-#else
+#endif
+#ifdef USE_SELECT
                                // SELECT: We don't know if our FD is valid.
                                if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1) && (FD_ISSET (cu->fd, &sfd)))
 #endif
@@ -3014,7 +3259,7 @@ int InspIRCd(char** argv, int argc)
                                        FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
                                        if (!MOD_RESULT)
                                        {
-                                               result = read(cu->fd, data, 65535);
+                                               result = cu->ReadData(data, 65535);
                                        }
                                        else result = result2;
                                        log(DEBUG,"Read result: %d",result);
@@ -3052,7 +3297,7 @@ int InspIRCd(char** argv, int argc)
                                                         }
                                                         goto label;
                                                }
-                                               if (current->recvq.length() > NetBufferSize)
+                                               if (current->recvq.length() > (unsigned)NetBufferSize)
                                                {
                                                        if (current->registered == 7)
                                                        {
@@ -3145,7 +3390,7 @@ int InspIRCd(char** argv, int argc)
                                else
                                if (result == 0)
                                {
-#ifndef USE_KQUEUE
+#ifdef USE_SELECT
                                        if (count2->second)
                                        {
 #endif
@@ -3154,7 +3399,7 @@ int InspIRCd(char** argv, int argc)
                                                // must bail here? kill_link removes the hash, corrupting the iterator
                                                log(DEBUG,"Bailing from client exit");
                                                goto label;
-#ifndef USE_KQUEUE
+#ifdef USE_SELECT
                                        }
 #endif
                                }
@@ -3173,7 +3418,7 @@ int InspIRCd(char** argv, int argc)
         sched_yield();
 #endif
        
-#ifndef USE_KQUEUE
+#ifdef USE_SELECT
        // set up select call
        for (count = 0; count < boundPortCount; count++)
        {
@@ -3190,20 +3435,31 @@ int InspIRCd(char** argv, int argc)
                {
                        if (FD_ISSET (openSockfd[count], &selectFds))
                        {
-#else
+#endif
+#ifdef USE_KQUEUE
        ts.tv_sec = 0;
        ts.tv_nsec = 30000L;
        i = kevent(lkq, NULL, 0, ke_list, 32, &ts);
        if (i > 0) for (j = 0; j < i; j++)
        {
-               log(DEBUG,"kqueue: Listening socket event, i=%d, ke.ident=%d",i,ke.ident);
+               log(DEBUG,"kqueue: Listening socket event, i=%d, ke.ident=%d",i,ke_list[j].ident);
                // this isnt as efficient as it could be, we could create a reference table
                // to reference bound ports by fd, but this isnt a big bottleneck as the actual
                // number of listening ports on the average ircd is a small number (less than 20)
                // compared to the number of clients (possibly over 2000)
                for (count = 0; count < boundPortCount; count++)
                {
-                       if (ke_list[j].ident == openSockfd[count])
+                       if ((unsigned)ke_list[j].ident == (unsigned)openSockfd[count])
+                       {
+#endif
+#ifdef USE_EPOLL
+       i = epoll_wait(lep, event, 32, EP_DELAY);
+       if (i > 0) for (j = 0; j < i; j++)
+       {
+               log(DEBUG,"epoll: Listening socket event, i=%d,events[j].data.fd=%d",i,event[j].data.fd);
+               for (count = 0; count < boundPortCount; count++)
+               {
+                       if ((unsigned)event[j].data.fd == (unsigned)openSockfd[count])
                        {
 #endif
                                char target[MAXBUF], resolved[MAXBUF];
@@ -3226,7 +3482,6 @@ int InspIRCd(char** argv, int argc)
                                        AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
                                        log(DEBUG,"InspIRCd: adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
                                }
-                               //goto label;
                        }
                }
        }
@@ -3239,5 +3494,6 @@ int InspIRCd(char** argv, int argc)
 }
 /* not reached */
 close (incomingSockfd);
+return 0;
 }