/*
* Curl_pp_multi_statemach()
*
* called repeatedly until done when the multi interface is used.
*/
CURLcode Curl_pp_multi_statemach(struct pingpong *pp)
{
struct connectdata *conn = pp->conn;
curl_socket_t sock = conn->sock[FIRSTSOCKET];
int rc;
struct SessionHandle *data=conn->data;
CURLcode result = CURLE_OK;
long timeout_ms = Curl_pp_state_timeout(pp);
if(timeout_ms <= 0) {
failf(data, "server response timeout");
return CURLE_OPERATION_TIMEDOUT;
}
rc = Curl_socket_ready(pp->sendleft?CURL_SOCKET_BAD:sock, /* reading */
pp->sendleft?sock:CURL_SOCKET_BAD, /* writing */
0);
if(rc == -1) {
failf(data, "select/poll error");
return CURLE_OUT_OF_MEMORY;
}
else if(rc != 0)
result = pp->statemach_act(conn);
/* if rc == 0, then select() timed out */
return result;
}
/*
* Curl_pp_statemach()
*/
CURLcode Curl_pp_statemach(struct pingpong *pp, bool block,
bool disconnecting)
{
struct connectdata *conn = pp->conn;
curl_socket_t sock = conn->sock[FIRSTSOCKET];
int rc;
time_t interval_ms;
time_t timeout_ms = Curl_pp_state_timeout(pp, disconnecting);
struct Curl_easy *data = conn->data;
CURLcode result = CURLE_OK;
if(timeout_ms <= 0) {
failf(data, "server response timeout");
return CURLE_OPERATION_TIMEDOUT; /* already too little time */
}
if(block) {
interval_ms = 1000; /* use 1 second timeout intervals */
if(timeout_ms < interval_ms)
interval_ms = timeout_ms;
}
else
interval_ms = 0; /* immediate */
if(Curl_ssl_data_pending(conn, FIRSTSOCKET))
rc = 1;
else if(Curl_pp_moredata(pp))
/* We are receiving and there is data in the cache so just read it */
rc = 1;
else if(!pp->sendleft && Curl_ssl_data_pending(conn, FIRSTSOCKET))
/* We are receiving and there is data ready in the SSL library */
rc = 1;
else
rc = Curl_socket_check(pp->sendleft?CURL_SOCKET_BAD:sock, /* reading */
CURL_SOCKET_BAD,
pp->sendleft?sock:CURL_SOCKET_BAD, /* writing */
interval_ms);
if(block) {
/* if we didn't wait, we don't have to spend time on this now */
if(Curl_pgrsUpdate(conn))
result = CURLE_ABORTED_BY_CALLBACK;
else
result = Curl_speedcheck(data, Curl_now());
if(result)
return result;
}
if(rc == -1) {
failf(data, "select/poll error");
result = CURLE_OUT_OF_MEMORY;
}
else if(rc)
result = pp->statemach_act(conn);
return result;
}
/*
* Curl_pp_easy_statemach()
*
* called repeatedly until done when the easy interface is used.
*/
CURLcode Curl_pp_easy_statemach(struct pingpong *pp)
{
struct connectdata *conn = pp->conn;
curl_socket_t sock = conn->sock[FIRSTSOCKET];
int rc;
long interval_ms;
long timeout_ms = Curl_pp_state_timeout(pp);
struct SessionHandle *data=conn->data;
CURLcode result;
if(timeout_ms <=0 ) {
failf(data, "server response timeout");
return CURLE_OPERATION_TIMEDOUT; /* already too little time */
}
interval_ms = 1000; /* use 1 second timeout intervals */
if(timeout_ms < interval_ms)
interval_ms = timeout_ms;
rc = Curl_socket_ready(pp->sendleft?CURL_SOCKET_BAD:sock, /* reading */
pp->sendleft?sock:CURL_SOCKET_BAD, /* writing */
(int)interval_ms);
if(Curl_pgrsUpdate(conn))
result = CURLE_ABORTED_BY_CALLBACK;
else
result = Curl_speedcheck(data, Curl_tvnow());
if(result)
;
else if(rc == -1) {
failf(data, "select/poll error");
result = CURLE_OUT_OF_MEMORY;
}
else if(rc)
result = pp->statemach_act(conn);
return result;
}
