/*
* curl_easy_perform() is the external interface that performs a transfer
* previously setup.
*/
CURLcode curl_easy_perform(CURL *curl)
{
struct SessionHandle *data = (struct SessionHandle *)curl;
if(!data)
return CURLE_BAD_FUNCTION_ARGUMENT;
if( ! (data->share && data->share->hostcache) ) {
/* this handle is not using a shared dns cache */
if(data->set.global_dns_cache &&
(data->dns.hostcachetype != HCACHE_GLOBAL)) {
/* global dns cache was requested but still isn't */
struct curl_hash *ptr;
if(data->dns.hostcachetype == HCACHE_PRIVATE) {
/* if the current cache is private, kill it first */
Curl_hash_destroy(data->dns.hostcache);
data->dns.hostcachetype = HCACHE_NONE;
data->dns.hostcache = NULL;
}
ptr = Curl_global_host_cache_init();
if(ptr) {
/* only do this if the global cache init works */
data->dns.hostcache = ptr;
data->dns.hostcachetype = HCACHE_GLOBAL;
}
}
if(!data->dns.hostcache) {
data->dns.hostcachetype = HCACHE_PRIVATE;
data->dns.hostcache = Curl_mk_dnscache();
if(!data->dns.hostcache)
/* While we possibly could survive and do good without a host cache,
the fact that creating it failed indicates that things are truly
screwed up and we should bail out! */
return CURLE_OUT_OF_MEMORY;
}
}
if(!data->state.connc) {
/* oops, no connection cache, make one up */
data->state.connc = Curl_mk_connc(CONNCACHE_PRIVATE, -1L);
if(!data->state.connc)
return CURLE_OUT_OF_MEMORY;
}
return Curl_perform(data);
}
static CURLcode unit_setup(void)
{
int res = CURLE_OK;
global_init(CURL_GLOBAL_ALL);
easy = curl_easy_init();
if(!easy) {
curl_global_cleanup();
return CURLE_OUT_OF_MEMORY;
}
hostcache = Curl_global_host_cache_init();
if(!hostcache) {
unit_stop();
return CURLE_OUT_OF_MEMORY;
}
return res;
}
