diff options
| author | brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7> | 2006-02-03 14:31:55 +0000 |
|---|---|---|
| committer | brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7> | 2006-02-03 14:31:55 +0000 |
| commit | e401f5bf5bb6d774f66c7bdd978f87ddf0990bc2 (patch) | |
| tree | 9a3d7c3bc3b4a5197b44049a0470cfd7131819c3 | |
| parent | 6ee0904855a75282d478c8e85b2f6381c6b33e7c (diff) | |
Added back ip->host caching now we can make it not be a performance hit (we write better code these days)
*TODO* - TTL
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@3041 e03df62e-2008-0410-955e-edbf42e46eb7
| -rw-r--r-- | src/dnsqueue.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/dnsqueue.cpp b/src/dnsqueue.cpp index dee671aa1..cd6f696d6 100644 --- a/src/dnsqueue.cpp +++ b/src/dnsqueue.cpp @@ -53,6 +53,8 @@ using namespace std; extern ServerConfig* Config; extern InspIRCd* ServerInstance; +address_cache addrcache; + class Lookup; Lookup* dnslist[MAX_DESCRIPTORS]; @@ -129,6 +131,12 @@ public: { strlcpy(usr->host,hostname.c_str(),MAXBUF); strlcpy(usr->dhost,hostname.c_str(),MAXBUF); + address_hash::iterator address = addrcache.find(usr->ip4); + if (address == addrcache.end()) + { + log(DEBUG,"Caching hostname %s -> %s",(char*)inet_ntoa(usr->ip4),hostname.c_str()); + addrcache[usr->ip4] = new std::string(hostname); + } } usr->dns_done = true; return true; @@ -201,6 +209,18 @@ bool lookup_dns(std::string nick) userrec* u = Find(nick); if (u) { + /* Check the cache */ + address_hash::iterator address = addrcache.find(u->ip4); + if (address != addrcache.end()) + { + /* Theyre in the cache, dont waste a lookup */ + WriteServ(u->fd,"NOTICE Auth :*** Found your hostname (cached)"); + log(DEBUG,"Found cached host"); + strlcpy(u->host,address->second->c_str(),MAXBUF); + strlcpy(u->dhost,address->second->c_str(),MAXBUF); + u->dns_done = true; + return true; + } /* If the user exists, create a new * lookup object, and associate it * with the user. The lookup object |