]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/dnsqueue.cpp
Removed __single_client_alloc again because gcc devs were smoking crack and removed it
[user/henk/code/inspircd.git] / src / dnsqueue.cpp
index 043ee8d4fe98a87ce421db5d08d3ff8a76425421..116f09010b963f50f56232e1e77d303c9a639721 100644 (file)
@@ -23,7 +23,6 @@ using namespace std;
 #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>
@@ -38,11 +37,7 @@ using namespace std;
 #include <map>
 #include <sstream>
 #include <vector>
-#include <errno.h>
 #include <deque>
-#include <errno.h>
-#include <unistd.h>
-#include <sched.h>
 #include "connection.h"
 #include "users.h"
 #include "servers.h"
@@ -57,7 +52,6 @@ using namespace std;
 #include "xline.h"
 #include "inspstring.h"
 #include "dnsqueue.h"
-#include <stdlib.h>
 #include <time.h>
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -65,149 +59,79 @@ using namespace std;
 #include <sys/time.h>
 #include <netinet/in.h>
 #include <string.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-#include <fcntl.h>
 #include "dns.h"
-
-#ifdef GCC3
-#define nspace __gnu_cxx
-#else
-#define nspace std
-#endif
+#include "helperfuncs.h"
+#include "hashcomp.h"
 
 extern int MaxWhoResults;
 
 extern std::vector<Module*> modules;
 extern std::vector<std::string> module_names;
 extern std::vector<ircd_module*> factory;
-extern std::vector<int> fd_reap;
 
 extern int MODCOUNT;
 
-namespace nspace
-{
-#ifdef GCC34
-        template<> struct hash<in_addr>
-#else
-        template<> struct nspace::hash<in_addr>
-#endif
-        {
-                size_t operator()(const struct in_addr &a) const
-                {
-                        size_t q;
-                        memcpy(&q,&a,sizeof(size_t));
-                        return q;
-                }
-        };
-#ifdef GCC34
-        template<> struct hash<string>
-#else
-        template<> struct nspace::hash<string>
-#endif
-        {
-                size_t operator()(const string &s) const
-                {
-                        char a[MAXBUF];
-                        static struct hash<const char *> strhash;
-                        strlcpy(a,s.c_str(),MAXBUF);
-                        strlower(a);
-                        return strhash(a);
-                }
-        };
-}
-
-
-struct StrHashComp
-{
-
-       bool operator()(const string& s1, const string& s2) const
-       {
-               char a[MAXBUF],b[MAXBUF];
-               strlcpy(a,s1.c_str(),MAXBUF);
-               strlcpy(b,s2.c_str(),MAXBUF);
-               return (strcasecmp(a,b) == 0);
-       }
-
-};
-
-struct InAddr_HashComp
-{
-
-       bool operator()(const in_addr &s1, const in_addr &s2) const
-       {
-               size_t q;
-               size_t p;
-               
-               memcpy(&q,&s1,sizeof(size_t));
-               memcpy(&p,&s2,sizeof(size_t));
-               
-               return (q == p);
-       }
-
-};
-
-
-typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
-typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
-typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
+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;
 
 extern user_hash clientlist;
 extern chan_hash chanlist;
-extern user_hash whowas;
+extern whowas_hash whowas;
 extern command_table cmdlist;
 
 extern ClassVector Classes;
 
 extern char DNSServer[MAXBUF];
+long max_fd_alloc = 0;
+
+extern time_t TIME;
 
 class Lookup {
 private:
-       DNS* resolver;
+       DNS resolver;
        char u[NICKMAX];
 public:
        Lookup()
        {
                strcpy(u,"");
-               resolver = NULL;
        }
 
        void Reset()
        {
                strcpy(u,"");
-               if (resolver)
-                       delete resolver;
-               resolver = NULL;
        }
 
        ~Lookup()
        {
-               if (resolver)
-                       delete resolver;
        }
 
-       Lookup(std::string nick)
+       bool DoLookup(std::string nick)
        {
                userrec* usr = Find(nick);
                if (usr)
                {
                        log(DEBUG,"New Lookup class for %s with DNSServer set to '%s'",nick.c_str(),DNSServer);
-                       resolver = new DNS(std::string(DNSServer));
-                       resolver->ReverseLookup(std::string(usr->host));
+                       resolver.SetNS(std::string(DNSServer));
+                       if (!resolver.ReverseLookup(std::string(usr->host)))
+                               return false;
                        strlcpy(u,nick.c_str(),NICKMAX);
+                       return true;
                }
+               return false;
        }
 
        bool Done()
        {
                userrec* usr = NULL;
-               if (resolver->HasResult())
+               if (resolver.HasResult())
                {
-                       if (resolver->GetFD() != 0)
+                       if (resolver.GetFD() != 0)
                        {
-                               std::string hostname = resolver->GetResult();
+                               std::string hostname = resolver.GetResult();
+                               log(DEBUG,"RESULT! %s",hostname.c_str());
                                usr = Find(u);
                                if (usr)
                                {
@@ -219,6 +143,7 @@ public:
                                        if ((hostname != "") && (usr->registered != 7))
                                        {
                                                strlcpy(usr->host,hostname.c_str(),MAXBUF);
+                                               strlcpy(usr->dhost,hostname.c_str(),MAXBUF);
                                                WriteServ(usr->fd,"NOTICE Auth :Resolved your hostname: %s",hostname.c_str());
                                                usr->dns_done = true;
                                                return true;
@@ -241,13 +166,15 @@ public:
        int GetFD()
        {
                userrec* usr = Find(u);
-               if (usr)
-                       return usr->fd;
-               else return 0;
+               if (!usr)
+                       return 0;
+               if (usr->dns_done)
+                       return 0;
+               return usr->fd;
        }
 };
 
-Lookup dnsq[MAXBUF];
+Lookup dnsq[255];
 
 bool lookup_dns(std::string nick)
 {
@@ -257,14 +184,25 @@ bool lookup_dns(std::string nick)
                // place a new user into the queue...
                log(DEBUG,"Queueing DNS lookup for %s",u->nick);
                WriteServ(u->fd,"NOTICE Auth :Looking up your hostname...");
-               Lookup L(nick);
-               for (int j = 0; j < MAXBUF; j++)
+               Lookup L;
+               if (L.DoLookup(nick))
                {
-                       if (!dnsq[j].GetFD())
+                       for (int j = 0; j < 255; j++)
                        {
-                               dnsq[j] = L;
-                               return true;
+                               if (!dnsq[j].GetFD())
+                               {
+                                       dnsq[j] = L;
+                                       return true;
+                               }
                        }
+                       // calculate the maximum value, this saves cpu time later
+                       for (int p = 0; p < 255; p++)
+                               if (dnsq[p].GetFD())
+                                       max_fd_alloc = p;
+               }
+               else
+               {
+                       return false;
                }
        }
        return false;
@@ -273,7 +211,7 @@ bool lookup_dns(std::string nick)
 void dns_poll()
 {
        // do we have items in the queue?
-       for (int j = 0; j < MAXBUF; j++)
+       for (int j = 0; j <= max_fd_alloc; j++)
        {
                // are any ready, or stale?
                if (dnsq[j].GetFD())
@@ -284,5 +222,10 @@ void dns_poll()
                        }
                }
        }
-}
+       // looks like someones freed an item, recalculate end of list.
+       if ((!dnsq[max_fd_alloc].GetFD()) && (max_fd_alloc != 0))
+               for (int p = 0; p < 255; p++)
+                       if (dnsq[p].GetFD())
+                               max_fd_alloc = p;
 
+}