]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/helperfuncs.cpp
Optimized away a memset made it potentially 10x faster
[user/henk/code/inspircd.git] / src / helperfuncs.cpp
index ea7b1f9dc574c84ae7e482fad24eebb84b9a04d7..385ecedbea86a6c9a005b4d03a8204c25b2a75f5 100644 (file)
@@ -19,7 +19,6 @@ using namespace std;
 #include "inspircd_config.h"
 #include "inspircd.h"
 #include "inspircd_io.h"
-#include "inspircd_util.h"
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/errno.h>
@@ -48,44 +47,21 @@ using namespace std;
 #include "inspstring.h"
 #include "helperfuncs.h"
 #include "hashcomp.h"
+#include "typedefs.h"
 
 extern int MODCOUNT;
 extern std::vector<Module*> modules;
-
+extern ServerConfig *Config;
 extern time_t TIME;
-extern bool nofork;
 extern char lowermap[255];
-extern char ServerName[MAXBUF];
-extern char Network[MAXBUF];
-extern char ServerDesc[MAXBUF];
-extern char list[MAXBUF];
-
-extern int debugging;
-extern int LogLevel;
-
-extern std::stringstream config_f;
-
-
-
-extern FILE *log_file;
+static char list[MAXBUF];
 extern userrec* fd_ref_table[65536];
-
-extern int statsAccept, statsRefused, statsUnknown, statsCollisions, statsDns, statsDnsGood, statsDnsBad, statsConnects, statsSent, statsRecv;
-
+extern serverstats* stats;
 static char already_sent[65536];
 extern std::vector<userrec*> all_opers;
-
-extern ClassVector Classes;
-
-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 std::deque<command_t> command_table;
-
 extern user_hash clientlist;
 extern chan_hash chanlist;
 extern command_table cmdlist;
-extern file_cache MOTD;
-extern file_cache RULES;
 
 void log(int level,char *text, ...)
 {
@@ -93,13 +69,13 @@ void log(int level,char *text, ...)
         va_list argsPtr;
         time_t rawtime;
         struct tm * timeinfo;
-        if (level < LogLevel)
+        if (level < Config->LogLevel)
                 return;
 
         time(&rawtime);
-        timeinfo = localtime (&rawtime);
+        timeinfo = localtime(&rawtime);
 
-        if (log_file)
+        if (Config->log_file)
         {
                 char b[MAXBUF];
                 va_start (argsPtr, text);
@@ -107,8 +83,9 @@ void log(int level,char *text, ...)
                 va_end(argsPtr);
                 strlcpy(b,asctime(timeinfo),MAXBUF);
                 b[24] = ':';    // we know this is the end of the time string
-                fprintf(log_file,"%s %s\n",b,textbuffer);
-                if (nofork)
+               if (Config->log_file)
+                       fprintf(Config->log_file,"%s %s\n",b,textbuffer);
+                if (Config->nofork)
                 {
                         // nofork enabled? display it on terminal too
                         printf("%s %s\n",b,textbuffer);
@@ -130,7 +107,7 @@ void readfile(file_cache &F, const char* fname)
                 {
                         fgets(linebuf,sizeof(linebuf),file);
                         linebuf[strlen(linebuf)-1]='\0';
-                        if (linebuf[0] == 0)
+                        if (!*linebuf)
                         {
                                 strcpy(linebuf,"  ");
                         }
@@ -171,7 +148,7 @@ void Write(int sock,char *text, ...)
                 int MOD_RESULT = 0;
                 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes));
                 fd_ref_table[sock]->AddWriteBuf(tb);
-                statsSent += bytes;
+                stats->statsSent += bytes;
         }
         else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
 }
@@ -193,14 +170,14 @@ void WriteServ(int sock, char* text, ...)
 
         vsnprintf(textbuffer, MAXBUF, text, argsPtr);
         va_end(argsPtr);
-        int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",ServerName,textbuffer);
+        int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",Config->ServerName,textbuffer);
         chop(tb);
         if (fd_ref_table[sock])
         {
                 int MOD_RESULT = 0;
                 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes));
                 fd_ref_table[sock]->AddWriteBuf(tb);
-                statsSent += bytes;
+                stats->statsSent += bytes;
         }
         else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
 }
@@ -229,7 +206,7 @@ void WriteFrom(int sock, userrec *user,char* text, ...)
                 int MOD_RESULT = 0;
                 FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes));
                 fd_ref_table[sock]->AddWriteBuf(tb);
-                statsSent += bytes;
+                stats->statsSent += bytes;
         }
         else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
 }
@@ -255,7 +232,7 @@ void WriteTo(userrec *source, userrec *dest,char *data, ...)
         // if no source given send it from the server.
         if (!source)
         {
-                WriteServ(dest->fd,":%s %s",ServerName,textbuffer);
+                WriteServ(dest->fd,":%s %s",Config->ServerName,textbuffer);
         }
         else
         {
@@ -385,7 +362,7 @@ std::string GetServerDescription(char* servername)
        }
        else
        {
-               return ServerDesc; // not a remote server that can be found, it must be me.
+               return Config->ServerDesc; // not a remote server that can be found, it must be me.
        }
 }
 
@@ -412,16 +389,17 @@ void WriteCommon(userrec *u, char* text, ...)
         va_end(argsPtr);
 
         // FIX: Stops a message going to the same person more than once
-        memset(&already_sent,0,65536);
+        memset(&already_sent,0,MAXCLIENTS);
 
         bool sent_to_at_least_one = false;
 
-        for (int i = 0; i < MAXCHANS; i++)
+        for (unsigned int i = 0; i < u->chans.size(); i++)
         {
                 if (u->chans[i].channel)
                 {
                         std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
-                        for (unsigned int j = 0; j < ulist->size(); j++)
+                       unsigned int x = ulist->size();
+                        for (unsigned int j = 0; j < x; j++)
                         {
                                 char* o = (*ulist)[j];
                                 userrec* otheruser = (userrec*)o;
@@ -466,7 +444,7 @@ void WriteCommonExcept(userrec *u, char* text, ...)
 
         memset(&already_sent,0,65536);
 
-        for (int i = 0; i < MAXCHANS; i++)
+        for (unsigned int i = 0; i < u->chans.size(); i++)
         {
                 if (u->chans[i].channel)
                 {
@@ -516,75 +494,46 @@ void WriteOpers(char* text, ...)
         }
 }
 
-void NoticeAllOpers(userrec *source, bool local_only, char* text, ...)
+void ServerNoticeAll(char* text, ...)
 {
-        if ((!text) || (!source))
-        {
-                log(DEFAULT,"*** BUG *** NoticeAllOpers was given an invalid parameter");
-                return;
-        }
+       if (!text)
+               return;
 
-        char textbuffer[MAXBUF];
-        va_list argsPtr;
-        va_start (argsPtr, text);
-        vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-        va_end(argsPtr);
-
-        for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
-        {
-                userrec* a = *i;
-                if ((a) && (a->fd != FD_MAGIC_NUMBER))
-                {
-                        if (strchr(a->modes,'s'))
-                        {
-                                // send server notices to all with +s
-                                WriteServ(a->fd,"NOTICE %s :*** Notice From %s: %s",a->nick,source->nick,textbuffer);
-                        }
-                }
-        }
+       char textbuffer[MAXBUF];
+       va_list argsPtr;
+       va_start (argsPtr, text);
+       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+       va_end(argsPtr);
 
+       for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
+       {
+               if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
+               {
+                       WriteServ(i->second->fd,"NOTICE $%s :%s",Config->ServerName,textbuffer);
+               }
+       }
 }
-// returns TRUE of any users on channel C occupy server 'servername'.
 
-bool ChanAnyOnThisServer(chanrec *c,char* servername)
+void ServerPrivmsgAll(char* text, ...)
 {
-        log(DEBUG,"ChanAnyOnThisServer");
-
-        std::vector<char*> *ulist = c->GetUsers();
-        for (unsigned int j = 0; j < ulist->size(); j++)
-        {
-                char* o = (*ulist)[j];
-                userrec* user = (userrec*)o;
-                if (!strcasecmp(user->server,servername))
-                        return true;
-        }
-        return false;
-}
-
-// returns true if user 'u' shares any common channels with any users on server 'servername'
+       if (!text)
+               return;
 
-bool CommonOnThisServer(userrec* u,const char* servername)
-{
-        log(DEBUG,"ChanAnyOnThisServer");
+       char textbuffer[MAXBUF];
+       va_list argsPtr;
+       va_start (argsPtr, text);
+       vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+       va_end(argsPtr);
 
-        for (int i = 0; i < MAXCHANS; i++)
-        {
-                if (u->chans[i].channel)
-                {
-                        std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
-                        for (unsigned int j = 0; j < ulist->size(); j++)
-                        {
-                                char* o = (*ulist)[j];
-                                userrec* user = (userrec*)o;
-                                if (!strcasecmp(user->server,servername))
-                                        return true;
-                        }
-                }
-        }
-        return false;
+       for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
+       {
+               if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
+               {
+                       WriteServ(i->second->fd,"PRIVMSG $%s :%s",Config->ServerName,textbuffer);
+               }
+       }
 }
 
-
 void WriteMode(const char* modes, int flags, const char* text, ...)
 {
         if ((!text) || (!modes) || (!flags))
@@ -745,12 +694,12 @@ chanrec* FindChan(const char* chan)
 long GetMaxBans(char* name)
 {
         char CM[MAXBUF];
-        for (int count = 0; count < ConfValueEnum("banlist",&config_f); count++)
+        for (int count = 0; count < Config->ConfValueEnum("banlist",&Config->config_f); count++)
         {
-                ConfValue("banlist","chan",count,CM,&config_f);
+               Config->ConfValue("banlist","chan",count,CM,&Config->config_f);
                 if (match(name,CM))
                 {
-                        ConfValue("banlist","limit",count,CM,&config_f);
+                        Config->ConfValue("banlist","limit",count,CM,&Config->config_f);
                         return atoi(CM);
                 }
         }
@@ -760,10 +709,10 @@ long GetMaxBans(char* name)
 void purge_empty_chans(userrec* u)
 {
 
-        int go_again = 1, purge = 0;
+        int purge = 0;
 
         // firstly decrement the count on each channel
-        for (int f = 0; f < MAXCHANS; f++)
+        for (unsigned int f = 0; f < u->chans.size(); f++)
         {
                 if (u->chans[f].channel)
                 {
@@ -771,7 +720,7 @@ void purge_empty_chans(userrec* u)
                 }
         }
 
-        for (int i = 0; i < MAXCHANS; i++)
+        for (unsigned int i = 0; i < u->chans.size(); i++)
         {
                 if (u->chans[i].channel)
                 {
@@ -785,7 +734,6 @@ void purge_empty_chans(userrec* u)
                                         if (i2->second)
                                                 delete i2->second;
                                         chanlist.erase(i2);
-                                        go_again = 1;
                                         purge++;
                                         u->chans[i].channel = NULL;
                                 }
@@ -802,57 +750,39 @@ void purge_empty_chans(userrec* u)
 }
 
 
-char scratch[MAXBUF];
-char sparam[MAXBUF];
-
 char* chanmodes(chanrec *chan)
 {
+       static char scratch[MAXBUF];
+       static char sparam[MAXBUF];
+       char* offset = scratch;
+
         if (!chan)
         {
                 log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
-                strcpy(scratch,"");
+                *scratch = '\0';
                 return scratch;
         }
 
-        strcpy(scratch,"");
-        strcpy(sparam,"");
+        *scratch = '\0';
+        *sparam = '\0';
         if (chan->binarymodes & CM_NOEXTERNAL)
-        {
-                strlcat(scratch,"n",MAXMODES);
-        }
+               *offset++ = 'n';
         if (chan->binarymodes & CM_TOPICLOCK)
-        {
-                strlcat(scratch,"t",MAXMODES);
-        }
-        if (chan->key[0])
-        {
-                strlcat(scratch,"k",MAXMODES);
-        }
+               *offset++ = 't';
+        if (*chan->key)
+               *offset++ = 'k';
         if (chan->limit)
-        {
-                strlcat(scratch,"l",MAXMODES);
-        }
+               *offset++ = 'l';
         if (chan->binarymodes & CM_INVITEONLY)
-        {
-                strlcat(scratch,"i",MAXMODES);
-        }
+               *offset++ = 'i';
         if (chan->binarymodes & CM_MODERATED)
-        {
-                strlcat(scratch,"m",MAXMODES);
-        }
+               *offset++ = 'm';
         if (chan->binarymodes & CM_SECRET)
-        {
-                strlcat(scratch,"s",MAXMODES);
-        }
+               *offset++ = 's';
         if (chan->binarymodes & CM_PRIVATE)
-        {
-                strlcat(scratch,"p",MAXMODES);
-        }
-        if (chan->key[0])
-        {
-                strlcat(sparam," ",MAXBUF);
-                strlcat(sparam,chan->key,MAXBUF);
-        }
+                *offset++ = 'p';
+        if (*chan->key)
+               snprintf(sparam,MAXBUF," %s",chan->key);
         if (chan->limit)
         {
                 char foo[24];
@@ -861,8 +791,9 @@ char* chanmodes(chanrec *chan)
         }
         if (*chan->custom_modes)
         {
-                strlcat(scratch,chan->custom_modes,MAXMODES);
-                for (int z = 0; chan->custom_modes[z] != 0; z++)
+               for (char* t = chan->custom_modes; *t; t++)
+                       *offset++ = *t;
+                for (int z = 0; chan->custom_modes[z]; z++)
                 {
                         std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
                         if (extparam != "")
@@ -872,7 +803,8 @@ char* chanmodes(chanrec *chan)
                         }
                 }
         }
-        log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
+       /* Null terminate scratch */
+       *offset = '\0';
         strlcat(scratch,sparam,MAXMODES);
         return scratch;
 }
@@ -933,7 +865,6 @@ int usercount_i(chanrec *c)
                 return 0;
         }
 
-        strcpy(list,"");
         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
         {
                 if (i->second)
@@ -975,9 +906,9 @@ int usercount(chanrec *c)
 
 char* Passwd(userrec *user)
 {
-        for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
+        for (ClassVector::iterator i = Config->Classes.begin(); i != Config->Classes.end(); i++)
         {
-                if (match(user->host,i->host) && (i->type == CC_ALLOW))
+                if ((i->type == CC_ALLOW) && match(user->host,i->host))
                 {
                         return i->pass;
                 }
@@ -987,9 +918,9 @@ char* Passwd(userrec *user)
 
 bool IsDenied(userrec *user)
 {
-        for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
+        for (ClassVector::iterator i = Config->Classes.begin(); i != Config->Classes.end(); i++)
         {
-                if (match(user->host,i->host) && (i->type == CC_DENY))
+                if ((i->type == CC_DENY) && match(user->host,i->host))
                 {
                         return true;
                 }
@@ -1008,15 +939,18 @@ void send_error(char *s)
         log(DEBUG,"send_error: %s",s);
         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
         {
-                if (isnick(i->second->nick))
-                {
-                        WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
-                }
-                else
-                {
-                        // fix - unregistered connections receive ERROR, not NOTICE
-                        Write(i->second->fd,"ERROR :%s",s);
-                }
+                if (IS_LOCAL(i->second))
+               {
+                       if (i->second->registered == 7)
+                       {
+                               WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
+                       }
+                       else
+                       {
+                               // fix - unregistered connections receive ERROR, not NOTICE
+                               Write(i->second->fd,"ERROR :%s",s);
+                       }
+               }
         }
 }
 
@@ -1077,7 +1011,7 @@ int usercount_unknown(void)
 
         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
         {
-                if ((i->second->fd) && (i->second->registered != 7))
+                if ((i->second->fd > -1) && (i->second->registered != 7))
                         c++;
         }
         return c;
@@ -1088,62 +1022,49 @@ long chancount(void)
         return chanlist.size();
 }
 
-long count_servs(void)
-{
-        return 0;
-}
-
-long servercount(void)
-{
-        return count_servs()+1;
-}
-
 long local_count()
 {
         int c = 0;
         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
         {
-                if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,ServerName))) c++;
+                if ((isnick(i->second->nick)) && (i->second->fd > -1)) c++;
         }
         return c;
 }
 
 void ShowMOTD(userrec *user)
 {
-        char buf[65536];
+        static char mbuf[MAXBUF];
+       static char crud[MAXBUF];
         std::string WholeMOTD = "";
-        if (!MOTD.size())
+        if (!Config->MOTD.size())
         {
                 WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
                 return;
         }
-        snprintf(buf,65535,":%s 375 %s :- %s message of the day\r\n", ServerName, user->nick, ServerName);
-        WholeMOTD = WholeMOTD + buf;
-        for (unsigned int i = 0; i != MOTD.size(); i++)
-        {
-                snprintf(buf,65535,":%s 372 %s :- %s\r\n", ServerName, user->nick, MOTD[i].c_str());
-                WholeMOTD = WholeMOTD + buf;
-        }
-        snprintf(buf,65535,":%s 376 %s :End of message of the day.\r\n", ServerName, user->nick);
-        WholeMOTD = WholeMOTD + buf;
+       snprintf(crud,MAXBUF,":%s 372 %s :- ", Config->ServerName, user->nick);
+        snprintf(mbuf,MAXBUF,":%s 375 %s :- %s message of the day\r\n", Config->ServerName, user->nick, Config->ServerName);
+        WholeMOTD = WholeMOTD + mbuf;
+        for (unsigned int i = 0; i < Config->MOTD.size(); i++)
+                WholeMOTD = WholeMOTD + std::string(crud) + Config->MOTD[i].c_str() + std::string("\r\n");
+        snprintf(mbuf,MAXBUF,":%s 376 %s :End of message of the day.\r\n", Config->ServerName, user->nick);
+        WholeMOTD = WholeMOTD + mbuf;
         // only one write operation
         user->AddWriteBuf(WholeMOTD);
-        statsSent += WholeMOTD.length();
+        stats->statsSent += WholeMOTD.length();
 }
 
 void ShowRULES(userrec *user)
 {
-        if (!RULES.size())
+        if (!Config->RULES.size())
         {
                 WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
                 return;
         }
-        WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
-        for (unsigned int i = 0; i != RULES.size(); i++)
-        {
-                                WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
-        }
-        WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
+        WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,Config->ServerName);
+        for (unsigned int i = 0; i < Config->RULES.size(); i++)
+                WriteServ(user->fd,"NOTICE %s :%s",user->nick,Config->RULES[i].c_str());
+        WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,Config->ServerName);
 }
 
 // this returns 1 when all modules are satisfied that the user should be allowed onto the irc server
@@ -1154,27 +1075,12 @@ bool AllModulesReportReady(userrec* user)
         for (int i = 0; i <= MODCOUNT; i++)
         {
                 int res = modules[i]->OnCheckReady(user);
-                        if (!res)
-                                return false;
+                if (!res)
+                        return false;
         }
         return true;
 }
 
-char islast(const char* s)
-{
-        return '+';
-}
-
-long map_count(const char* s)
-{
-        int c = 0;
-        for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
-        {
-                if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s))) c++;
-        }
-        return c;
-}
-
 void createcommand(char* cmd, handlerfunc f, char flags, int minparams,char* source)
 {
         command_t comm;
@@ -1251,10 +1157,11 @@ void SetupCommandTable(void)
 bool DirValid(char* dirandfile)
 {
         char work[MAXBUF];
+       char buffer[MAXBUF], otherdir[MAXBUF];
         strlcpy(work,dirandfile,MAXBUF);
         int p = strlen(work);
         // we just want the dir
-        while (strlen(work))
+        while (*work)
         {
                 if (work[p] == '/')
                 {
@@ -1263,7 +1170,6 @@ bool DirValid(char* dirandfile)
                 }
                 work[p--] = '\0';
         }
-        char buffer[MAXBUF], otherdir[MAXBUF];
         // Get the current working directory
         if( getcwd( buffer, MAXBUF ) == NULL )
                 return false;
@@ -1286,10 +1192,11 @@ bool DirValid(char* dirandfile)
 std::string GetFullProgDir(char** argv, int argc)
 {
         char work[MAXBUF];
+       char buffer[MAXBUF], otherdir[MAXBUF];
         strlcpy(work,argv[0],MAXBUF);
         int p = strlen(work);
         // we just want the dir
-        while (strlen(work))
+        while (*work)
         {
                 if (work[p] == '/')
                 {
@@ -1298,7 +1205,6 @@ std::string GetFullProgDir(char** argv, int argc)
                 }
                 work[p--] = '\0';
         }
-        char buffer[MAXBUF], otherdir[MAXBUF];
         // Get the current working directory
         if( getcwd( buffer, MAXBUF ) == NULL )
                 return "";