/*
* 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;
}
static int
ldapsb_tls_ctrl(Sockbuf_IO_Desc *sbiod, int opt, void *arg)
{
(void)arg;
if(opt == LBER_SB_OPT_DATA_READY) {
struct connectdata *conn = sbiod->sbiod_pvt;
return Curl_ssl_data_pending(conn, FIRSTSOCKET);
}
return 0;
}
/* Data received can be cached at various levels, so check them all here. */
bool Curl_conn_data_pending(struct connectdata *conn, int sockindex)
{
int readable;
if(Curl_ssl_data_pending(conn, sockindex) ||
Curl_recv_has_postponed_data(conn, sockindex))
return true;
readable = SOCKET_READABLE(conn->sock[sockindex], 0);
return (readable > 0 && (readable & CURL_CSELECT_IN));
}
