-
- int r_pid, cpt;
- m_process_t remote;
- gras_hostdata_t *remote_hd;
-
- do {
- r_pid = MSG_task_probe_from((m_channel_t) pd->chan);
- if (r_pid >= 0) {
- *dst = pd->sock;
- sockdata = (*dst)->data;
-
- remote = MSG_process_from_PID(r_pid);
- sockdata->from_PID = r_pid;
- sockdata->to_PID = MSG_process_self_PID();
- sockdata->to_host = MSG_process_get_host(remote);
-
- remote_hd=(gras_hostdata_t *)MSG_host_get_data(sockdata->to_host);
- gras_assert0(remote_hd,"Run gras_process_init!!");
-
- sockdata->to_chan = -1;
- for (cpt=0; cpt< GRAS_MAX_CHANNEL; cpt++)
- if (r_pid == remote_hd->proc[cpt])
- sockdata->to_chan = cpt;
-
- gras_assert0(sockdata->to_chan>0,
- "Got a message from a process without channel");
-
- return no_error;
- } else {
- MSG_process_sleep(0.01);
+ 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 ==
+ SIMIX_req_process_get_host(active_socket_data->from_process))) {
+ xbt_dynar_cursor_unlock(pd->sockets);
+ return sock_iter;