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[simgrid.git] / src / msg / msg_mailbox.c

diff --git a/src/msg/msg_mailbox.c b/src/msg/msg_mailbox.c
index e4e633f..907ecdf 100644 (file)
--- a/src/msg/msg_mailbox.c
+++ b/src/msg/msg_mailbox.c
@@ -1,6 +1,6 @@
 /* Mailboxes in MSG */
 
-/* Copyright (c) 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2008-2013. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -44,10 +44,6 @@ MSG_mailbox_get_count_host_waiting_tasks(msg_mailbox_t mailbox,
   return simcall_rdv_comm_count_by_host(mailbox, host);
 }
 
-double MSG_set_rate_before_read(msg_mailbox_t mailbox, double newrate) {
-       return simcall_comm_change_rate_first_action(mailbox,newrate);
-}
-
 msg_mailbox_t MSG_mailbox_get_by_alias(const char *alias)
 {
 
@@ -120,6 +116,9 @@ MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, msg_task_t * task,
   }
   CATCH(e) {
     switch (e.category) {
+    case cancel_error:
+      ret = MSG_HOST_FAILURE;
+      break;
     case network_error:
       ret = MSG_TRANSFER_FAILURE;
       break;
@@ -142,8 +141,6 @@ MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, msg_task_t * task,
   MSG_RETURN(ret);
 }
 
-
-
 /** \ingroup msg_mailbox_management
  * \brief Get a task from a mailbox on a given host at a given rate
  *
@@ -151,7 +148,7 @@ MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, msg_task_t * task,
  * \param task a memory location for storing a #msg_task_t.
  * \param host a #msg_host_t host from where the task was sent
  * \param timeout a timeout
- * \param rate a bandwidth rate
+ * \param rate a rate
 
  * \return Returns
  * #MSG_OK if the task was successfully received,
@@ -161,10 +158,56 @@ msg_error_t
 MSG_mailbox_get_task_ext_bounded(msg_mailbox_t mailbox, msg_task_t * task,
                          msg_host_t host, double timeout, double rate)
 {
-       MSG_set_rate_before_read(mailbox,rate);
-       MSG_RETURN(MSG_mailbox_get_task_ext(mailbox,task,host,timeout));
-}
+  xbt_ex_t e;
+  msg_error_t ret = MSG_OK;
+  /* We no longer support getting a task from a specific host */
+  if (host)
+    THROW_UNIMPLEMENTED;
 
+#ifdef HAVE_TRACING
+  TRACE_msg_task_get_start();
+  double start_time = MSG_get_clock();
+#endif
+
+  /* Sanity check */
+  xbt_assert(task, "Null pointer for the task storage");
+
+  if (*task)
+    XBT_WARN
+        ("Asked to write the received task in a non empty struct -- proceeding.");
+
+  /* Try to receive it by calling SIMIX network layer */
+  TRY {
+    simcall_comm_recv_bounded(mailbox, task, NULL, NULL, NULL, timeout, rate);
+    XBT_DEBUG("Got task %s from %p",(*task)->name,mailbox);
+    (*task)->simdata->isused=0;
+  }
+  CATCH(e) {
+    switch (e.category) {
+    case cancel_error:
+      ret = MSG_HOST_FAILURE;
+      break;
+    case network_error:
+      ret = MSG_TRANSFER_FAILURE;
+      break;
+    case timeout_error:
+      ret = MSG_TIMEOUT;
+      break;
+    default:
+      RETHROW;
+    }
+    xbt_ex_free(e);
+  }
+
+#ifdef HAVE_TRACING
+  if (ret != MSG_HOST_FAILURE &&
+      ret != MSG_TRANSFER_FAILURE &&
+      ret != MSG_TIMEOUT) {
+    TRACE_msg_task_get_end(start_time, *task);
+  }
+#endif
+  MSG_RETURN(ret);
+}
 
 msg_error_t
 MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
@@ -211,6 +254,9 @@ MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
 
   CATCH(e) {
     switch (e.category) {
+    case cancel_error:
+      ret = MSG_HOST_FAILURE;
+      break;
     case network_error:
       ret = MSG_TRANSFER_FAILURE;
       break;