X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c9a7c0824a9cee4a6a22a4b90ffe382926dea4a4..f757db3e61c8c5cbcab605a1beba36b5e21dc6f9:/src/msg/msg_gos.c

diff --git a/src/msg/msg_gos.c b/src/msg/msg_gos.c
index d5ba36ef22..339f73d89a 100644
--- a/src/msg/msg_gos.c
+++ b/src/msg/msg_gos.c
@@ -1,4 +1,5 @@
-/* Copyright (c) 2004-2012. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2004-2013. The SimGrid Team.
+ * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -125,6 +126,7 @@ msg_error_t MSG_parallel_task_execute(msg_task_t task)
  */
 msg_error_t MSG_process_sleep(double nb_sec)
 {
+  xbt_ex_t e;
   msg_error_t status = MSG_OK;
   /*msg_process_t proc = MSG_process_self();*/
 
@@ -140,7 +142,19 @@ msg_error_t MSG_process_sleep(double nb_sec)
   
   proc->simdata->waiting_action = NULL;*/
 
-  simcall_process_sleep(nb_sec);
+  TRY {
+    simcall_process_sleep(nb_sec);
+  }
+  CATCH(e) {
+    switch (e.category) {
+    case cancel_error:
+      status = MSG_TASK_CANCELED;
+      break;
+    default:
+      RETHROW;
+    }
+    xbt_ex_free(e);
+  }
 
   #ifdef HAVE_TRACING
     TRACE_msg_process_sleep_out(MSG_process_self());
@@ -186,6 +200,26 @@ MSG_task_receive_from_host(msg_task_t * task, const char *alias,
   return MSG_task_receive_ext(task, alias, -1, host);
 }
 
+/** msg_task_usage
+ *\brief Deprecated function that used to receive a task from a mailbox from a specific host
+ *\brief at a given rate
+ *
+ * \param task a memory location for storing a #msg_task_t.
+ * \param alias name of the mailbox to receive the task from
+ * \param host a #msg_host_t host from where the task was sent
+ * \param rate limit the reception to rate bandwidth
+ *
+ * \return Returns
+ * #MSG_OK if the task was successfully received,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
+ */
+msg_error_t
+MSG_task_receive_from_host_bounded(msg_task_t * task, const char *alias,
+                           msg_host_t host, double rate)
+{
+  return MSG_task_receive_ext_bounded(task, alias, -1, host, rate);
+}
+
 /** \ingroup msg_task_usage
  * \brief Receives a task from a mailbox.
  *
@@ -205,6 +239,22 @@ msg_error_t MSG_task_receive(msg_task_t * task, const char *alias)
   return MSG_task_receive_with_timeout(task, alias, -1);
 }
 
+/** \ingroup msg_task_usage
+ * \brief Receives a task from a mailbox at a given rate.
+ *
+ * \param task a memory location for storing a #msg_task_t.
+ * \param alias name of the mailbox to receive the task from
+ *  \param rate limit the reception to rate bandwidth
+ *
+ * \return Returns
+ * #MSG_OK if the task was successfully received,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
+ */
+msg_error_t MSG_task_receive_bounded(msg_task_t * task, const char *alias, double rate)
+{
+  return MSG_task_receive_with_timeout_bounded(task, alias, -1, rate);
+}
+
 /** \ingroup msg_task_usage
  * \brief Receives a task from a mailbox with a given timeout.
  *
@@ -228,6 +278,25 @@ MSG_task_receive_with_timeout(msg_task_t * task, const char *alias,
   return MSG_task_receive_ext(task, alias, timeout, NULL);
 }
 
+/** \ingroup msg_task_usage
+ * \brief Receives a task from a mailbox with a given timeout and at a given rate.
+ *
+ * \param task a memory location for storing a #msg_task_t.
+ * \param alias name of the mailbox to receive the task from
+ * \param timeout is the maximum wait time for completion (if -1, this call is the same as #MSG_task_receive)
+ *  \param rate limit the reception to rate bandwidth
+ *
+ * \return Returns
+ * #MSG_OK if the task was successfully received,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise.
+ */
+msg_error_t
+MSG_task_receive_with_timeout_bounded(msg_task_t * task, const char *alias,
+                              double timeout,double rate)
+{
+  return MSG_task_receive_ext_bounded(task, alias, timeout, NULL,rate);
+}
+
 /** \ingroup msg_task_usage
  * \brief Receives a task from a mailbox from a specific host with a given timeout.
  *
@@ -248,12 +317,52 @@ MSG_task_receive_with_timeout(msg_task_t * task, const char *alias,
 msg_error_t
 MSG_task_receive_ext(msg_task_t * task, const char *alias, double timeout,
                      msg_host_t host)
+{
+  xbt_ex_t e;
+  msg_error_t ret = MSG_OK;
+  XBT_DEBUG
+      ("MSG_task_receive_ext: Trying to receive a message on mailbox '%s'",
+       alias);
+  TRY {
+    ret = MSG_mailbox_get_task_ext(MSG_mailbox_get_by_alias(alias), task,
+                                   host, timeout);
+  }
+  CATCH(e) {
+    switch (e.category) {
+    case cancel_error:          /* may be thrown by MSG_mailbox_get_by_alias */
+      ret = MSG_HOST_FAILURE;
+      break;
+    default:
+      RETHROW;
+    }
+    xbt_ex_free(e);
+  }
+  return ret;
+}
+
+/** \ingroup msg_task_usage
+ * \brief Receives a task from a mailbox from a specific host with a given timeout
+ *  and at a given rate.
+ *
+ * \param task a memory location for storing a #msg_task_t.
+ * \param alias name of the mailbox to receive the task from
+ * \param timeout is the maximum wait time for completion (provide -1 for no timeout)
+ * \param host a #msg_host_t host from where the task was sent
+ * \param rate limit the reception to rate bandwidth
+ *
+ * \return Returns
+ * #MSG_OK if the task was successfully received,
+* #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise.
+ */
+msg_error_t
+MSG_task_receive_ext_bounded(msg_task_t * task, const char *alias, double timeout,
+                     msg_host_t host, double rate)
 {
   XBT_DEBUG
       ("MSG_task_receive_ext: Trying to receive a message on mailbox '%s'",
        alias);
-  return MSG_mailbox_get_task_ext(MSG_mailbox_get_by_alias(alias), task,
-                                  host, timeout);
+  return MSG_mailbox_get_task_ext_bounded(MSG_mailbox_get_by_alias(alias), task,
+                                  host, timeout, rate);
 }
 
 /** \ingroup msg_task_usage
@@ -500,6 +609,40 @@ msg_comm_t MSG_task_irecv(msg_task_t *task, const char *name)
   return comm;
 }
 
+/** \ingroup msg_task_usage
+ * \brief Starts listening for receiving a task from an asynchronous communication
+ * at a given rate.
+ *
+ * \param task a memory location for storing a #msg_task_t. has to be valid until the end of the communication.
+ * \param name of the mailbox to receive the task on
+ * \param rate limit the bandwidth to the given rate
+ * \return the msg_comm_t communication created
+ */
+msg_comm_t MSG_task_irecv_bounded(msg_task_t *task, const char *name, double rate)
+{
+
+
+  smx_rdv_t rdv = MSG_mailbox_get_by_alias(name);
+
+  /* FIXME: these functions are not traceable */
+
+  /* Sanity check */
+  xbt_assert(task, "Null pointer for the task storage");
+
+  if (*task)
+    XBT_CRITICAL
+        ("MSG_task_irecv() was asked to write in a non empty task struct.");
+
+  /* Try to receive it by calling SIMIX network layer */
+  msg_comm_t comm = xbt_new0(s_msg_comm_t, 1);
+  comm->task_sent = NULL;
+  comm->task_received = task;
+  comm->status = MSG_OK;
+  comm->s_comm = simcall_comm_irecv_bounded(rdv, task, NULL, NULL, NULL, rate);
+
+  return comm;
+}
+
 /** \ingroup msg_task_usage
  * \brief Checks whether a communication is done, and if yes, finalizes it.
  * \param comm the communication to test