diff options
Diffstat (limited to 'lib/hostip.c')
-rw-r--r-- | lib/hostip.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/hostip.c b/lib/hostip.c index 44ed0a424..03c3bc981 100644 --- a/lib/hostip.c +++ b/lib/hostip.c @@ -743,3 +743,69 @@ void Curl_hostcache_destroy(struct SessionHandle *data) data->dns.hostcachetype = HCACHE_NONE; data->dns.hostcache = NULL; } + +CURLcode Curl_loadhostpairs(struct SessionHandle *data) +{ + struct curl_slist *hostp; + char hostname[256]; + char address[256]; + int port; + + for(hostp = data->change.resolve; hostp; hostp = hostp->next ) { + if(!hostp->data) + continue; + if(hostp->data[0] == '-') { + /* TODO: mark an entry for removal */ + } + else if(3 == sscanf(hostp->data, "%255[^:]:%d:%255s", hostname, &port, + address)) { + struct Curl_dns_entry *dns; + Curl_addrinfo *addr; + char *entry_id; + size_t entry_len; + + addr = Curl_str2addr(address, port); + if(!addr) { + infof(data, "Resolve %s found illegal!\n", hostp->data); + continue; + } + + /* Create an entry id, based upon the hostname and port */ + entry_id = create_hostcache_id(hostname, port); + /* If we can't create the entry id, fail */ + if(!entry_id) + return CURLE_OUT_OF_MEMORY; + + entry_len = strlen(entry_id); + + if(data->share) + Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE); + + /* See if its already in our dns cache */ + dns = Curl_hash_pick(data->dns.hostcache, entry_id, entry_len+1); + + /* free the allocated entry_id again */ + free(entry_id); + + if(!dns) + /* if not in the cache already, put this host in the cache */ + dns = Curl_cache_addr(data, addr, hostname, port); + else + /* this is a duplicate, free it again */ + Curl_freeaddrinfo(addr); + + if(data->share) + Curl_share_unlock(data, CURL_LOCK_DATA_DNS); + + if(!dns) { + Curl_freeaddrinfo(addr); + return CURLE_OUT_OF_MEMORY; + } + infof(data, "Added %s:%d:%s to DNS cache\n", + hostname, port, address); + } + } + data->change.resolve = NULL; /* dealt with now */ + + return CURLE_OK; +} |