/*
* 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) ) {
if (Curl_global_host_cache_use(data) &&
data->hostcache != Curl_global_host_cache_get()) {
if (data->hostcache)
Curl_hash_destroy(data->hostcache);
data->hostcache = Curl_global_host_cache_get();
}
if (!data->hostcache) {
data->hostcache = Curl_mk_dnscache();
if(!data->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;
}
}
return Curl_perform(data);
}
/*
* 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);
}
CURLSH *
curl_share_init(void)
{
struct Curl_share *share = calloc(1, sizeof(struct Curl_share));
if(share) {
share->specifier |= (1<<CURL_LOCK_DATA_SHARE);
if(Curl_mk_dnscache(&share->hostcache)) {
free(share);
return NULL;
}
}
return share;
}
static CURLcode unit_setup( void )
{
int rc;
data = curl_easy_init();
if (!data)
return CURLE_OUT_OF_MEMORY;
rc = Curl_mk_dnscache(&hp);
if(rc) {
curl_easy_cleanup(data);
curl_global_cleanup();
return CURLE_OUT_OF_MEMORY;
}
return CURLE_OK;
}
CURLM *curl_multi_init(void)
{
struct Curl_multi *multi;
multi = (void *)malloc(sizeof(struct Curl_multi));
if(multi) {
memset(multi, 0, sizeof(struct Curl_multi));
multi->type = CURL_MULTI_HANDLE;
}
else
return NULL;
multi->hostcache = Curl_mk_dnscache();
if(!multi->hostcache) {
/* failure, free mem and bail out */
free(multi);
multi = NULL;
}
return (CURLM *) multi;
}
/*
* 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) ) {
if (Curl_global_host_cache_use(data) &&
(data->dns.hostcachetype != HCACHE_GLOBAL)) {
if (data->dns.hostcachetype == HCACHE_PRIVATE)
Curl_hash_destroy(data->dns.hostcache);
data->dns.hostcache = Curl_global_host_cache_get();
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);
if(!data->state.connc)
return CURLE_OUT_OF_MEMORY;
}
return Curl_perform(data);
}
CURLSHcode
curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
{
struct Curl_share *share = (struct Curl_share *)sh;
va_list param;
int type;
curl_lock_function lockfunc;
curl_unlock_function unlockfunc;
void *ptr;
if (share->dirty)
/* don't allow setting options while one or more handles are already
using this share */
return CURLSHE_IN_USE;
va_start(param, option);
switch(option) {
case CURLSHOPT_SHARE:
/* this is a type this share will share */
type = va_arg(param, int);
share->specifier |= (1<<type);
switch( type ) {
case CURL_LOCK_DATA_DNS:
if (!share->hostcache) {
share->hostcache = Curl_mk_dnscache();
if(!share->hostcache)
return CURLSHE_NOMEM;
}
break;
#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
case CURL_LOCK_DATA_COOKIE:
if (!share->cookies) {
share->cookies = Curl_cookie_init(NULL, NULL, NULL, TRUE );
if(!share->cookies)
return CURLSHE_NOMEM;
}
break;
#endif /* CURL_DISABLE_HTTP */
case CURL_LOCK_DATA_SSL_SESSION: /* not supported (yet) */
case CURL_LOCK_DATA_CONNECT: /* not supported (yet) */
default:
return CURLSHE_BAD_OPTION;
}
break;
case CURLSHOPT_UNSHARE:
/* this is a type this share will no longer share */
type = va_arg(param, int);
share->specifier &= ~(1<<type);
switch( type )
{
case CURL_LOCK_DATA_DNS:
if (share->hostcache) {
Curl_hash_destroy(share->hostcache);
share->hostcache = NULL;
}
break;
#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
case CURL_LOCK_DATA_COOKIE:
if (share->cookies) {
Curl_cookie_cleanup(share->cookies);
share->cookies = NULL;
}
break;
#endif /* CURL_DISABLE_HTTP */
case CURL_LOCK_DATA_SSL_SESSION:
break;
case CURL_LOCK_DATA_CONNECT:
break;
default:
return CURLSHE_BAD_OPTION;
}
break;
case CURLSHOPT_LOCKFUNC:
lockfunc = va_arg(param, curl_lock_function);
share->lockfunc = lockfunc;
break;
case CURLSHOPT_UNLOCKFUNC:
unlockfunc = va_arg(param, curl_unlock_function);
share->unlockfunc = unlockfunc;
break;
case CURLSHOPT_USERDATA:
ptr = va_arg(param, void *);
share->clientdata = ptr;
break;
default:
return CURLSHE_BAD_OPTION;
}
return CURLSHE_OK;
}