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(trunk libT) extend the lifespan of the cached DNS entries

This commit is contained in:
Charles Kerr 2010-01-25 04:24:48 +00:00
parent 1d1b09b75b
commit 4164b17977
1 changed files with 9 additions and 3 deletions
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12
libtransmission/web.c
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@ -30,6 +30,8 @@ enum
TR_MEMORY_TRASH = 0xCC,
DEFAULT_TIMER_MSEC = 1500 /* arbitrary */
MIN_DNS_CACHE_TIME = 60 * 60 * 24
};
#if 0
@ -159,13 +161,15 @@ dns_get_cached_host( struct tr_web_task * task, const char * host )
}
if( item != NULL )
dbgmsg( "found cached dns entry for \"%s\": %s", host, item->resolved_host );
dbgmsg( "found cached dns entry for \"%s\": %s",
host, item->resolved_host );
return item ? item->resolved_host : NULL;
}
static const char*
dns_set_cached_host( struct tr_web_task * task, const char * host, const char * resolved, int ttl )
dns_set_cached_host( struct tr_web_task * task, const char * host,
const char * resolved, int ttl )
{
char * ret = NULL;
tr_web * g;
@ -175,6 +179,8 @@ dns_set_cached_host( struct tr_web_task * task, const char * host, const char *
assert( resolved != NULL );
assert( ttl >= 0 );
ttl = MAX( MIN_DNS_CACHE_TIME, ttl );
g = task->session->web;
if( g != NULL )
{
@ -314,7 +320,7 @@ addTask( void * vtask )
curl_easy_setopt( e, CURLOPT_SOCKOPTDATA, task );
curl_easy_setopt( e, CURLOPT_WRITEDATA, task );
curl_easy_setopt( e, CURLOPT_WRITEFUNCTION, writeFunc );
curl_easy_setopt( e, CURLOPT_DNS_CACHE_TIMEOUT, 1800L );
curl_easy_setopt( e, CURLOPT_DNS_CACHE_TIMEOUT, MIN_DNS_CACHE_TIME );
curl_easy_setopt( e, CURLOPT_FOLLOWLOCATION, 1L );
curl_easy_setopt( e, CURLOPT_AUTOREFERER, 1L );
curl_easy_setopt( e, CURLOPT_FORBID_REUSE, 1L );