int wswcurl_perform()
{
int ret = 0;
wswcurl_req *r;
if (!curlmulti) return 0;
r = http_requests;
while (r) {
r->activity = 0;
r = r->next;
}
//CURLDBG(("CURL BEFORE MULTI_PERFORM\n"));
while ( curl_multi_perform(curlmulti, &ret) == CURLM_CALL_MULTI_PERFORM) {
CURLDBG((" CURL MULTI LOOP\n"));
}
ret += wswcurl_checkmsg();
//CURLDBG(("CURL after checkmsg\n"));
return ret;
}
int wswcurl_perform()
{
int ret = 0;
wswcurl_req *r, *next;
if (!curlmulti) return 0;
// process requests in FIFO manner
// check for timed out requests and requests that need to be paused
r = http_requests_hnode;
while( r )
{
next = r->prev;
if (r->status == WSTATUS_QUEUED) {
// queued
if (curlmulti_num_handles < WMAXMULTIHANDLES) {
if (curl_multi_add_handle(curlmulti, r->curl)) {
CURLDBG(("OOPS: CURL MULTI ADD HANDLE FAIL!!!"));
}
r->status = WSTATUS_STARTED;
r->last_action = wswcurl_now();
curlmulti_num_handles++;
}
else {
// stay in queue
}
}
// handle pauses for synchronous requests
if( r->status == WSTATUS_STARTED && !r->callback_read ) {
if( r->rxreceived >= r->rxreturned + WMAXBUFFERING ) {
wswcurl_pause( r );
}
}
// handle timeouts
if( r->status == WSTATUS_STARTED ) {
time_t now = wswcurl_now();
if( r->paused ) {
// paused
r->last_action = now;
} else if( r->timeout && ( r->last_action + r->timeout <= now ) ) {
// timed out
r->respcode = -1;
r->status = -CURLE_OPERATION_TIMEDOUT;
if( r->callback_done ) {
r->callback_done( r, r->status, r->customp );
}
}
}
r = next;
}
//CURLDBG(("CURL BEFORE MULTI_PERFORM\n"));
while ( curl_multi_perform(curlmulti, &ret) == CURLM_CALL_MULTI_PERFORM) {
CURLDBG((" CURL MULTI LOOP\n"));
}
ret += wswcurl_checkmsg();
//CURLDBG(("CURL after checkmsg\n"));
return ret;
}