-gras_error_t
-gras_trp_select(double timeout,
- gras_socket_t **dst) {
-
- double startTime=gras_time();
- gras_procdata_t *pd=gras_procdata_get();
-
- do {
- if (MSG_task_Iprobe((m_channel_t) pd->chan)) {
- *dst = pd->sock;
-
- return no_error;
- } else {
- MSG_process_sleep(0.001);
+gras_socket_t gras_trp_select(double timeout)
+{
+ gras_socket_t res;
+ gras_trp_procdata_t pd =
+ (gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id);
+ gras_trp_sg_sock_data_t *sockdata;
+ gras_trp_plugin_t trp;
+ gras_socket_t active_socket = NULL;
+ gras_trp_sg_sock_data_t *active_socket_data;
+ gras_socket_t sock_iter; /* iterating over all sockets */
+ unsigned int cursor;
+
+ XBT_DEBUG("select on %s@%s with timeout=%f",
+ SIMIX_process_self_get_name(),
+ SIMIX_host_self_get_name(), timeout);
+ if (timeout >= 0) {
+ xbt_queue_shift_timed(pd->msg_selectable_sockets,
+ &active_socket, timeout);
+ } else {
+ xbt_queue_shift(pd->msg_selectable_sockets, &active_socket);
+ }
+
+ if (active_socket == NULL) {
+ XBT_DEBUG("TIMEOUT");
+ THROWF(timeout_error, 0, "Timeout");
+ }
+ active_socket_data = (gras_trp_sg_sock_data_t *) active_socket->data;
+
+ /* Ok, got something. Open a socket back to the expeditor */
+
+ /* Try to reuse an already openned socket to that expeditor */
+ XBT_DEBUG("Open sockets size %lu", xbt_dynar_length(pd->sockets));
+ xbt_dynar_foreach(pd->sockets, cursor, sock_iter) {
+ gras_trp_sg_sock_data_t *sock_data;
+ XBT_DEBUG("Consider %p as outgoing socket to expeditor", sock_iter);
+
+ if (sock_iter->meas || !sock_iter->outgoing)
+ continue;
+ sock_data = ((gras_trp_sg_sock_data_t *) sock_iter->data);
+
+ if ((sock_data->to_socket == active_socket) &&
+ (sock_data->to_host ==
+ simcall_process_get_host(active_socket_data->from_process))) {
+ xbt_dynar_cursor_unlock(pd->sockets);
+ return sock_iter;