-/* Copyright (c) 2004-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2004-2018. 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. */
#include <xbt/ex.hpp>
+#include "simgrid/s4u/Mailbox.hpp"
+#include "src/instr/instr_private.hpp"
#include "src/kernel/activity/ExecImpl.hpp"
-#include "src/msg/msg_private.h"
-#include "src/simix/smx_private.h" /* MSG_task_listen looks inside the rdv directly. Not clean. */
+#include "src/msg/msg_private.hpp"
+#include "src/simix/smx_private.hpp" /* MSG_task_listen looks inside the rdv directly. Not clean. */
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_gos, msg, "Logging specific to MSG (gos)");
-SG_BEGIN_DECL()
-
/** \ingroup msg_task_usage
* \brief Executes a task and waits for its termination.
*
*/
msg_error_t MSG_task_execute(msg_task_t task)
{
- /* TODO: add this to other locations */
- msg_host_t host = MSG_process_get_host(MSG_process_self());
- MSG_host_add_task(host, task);
-
- msg_error_t ret = MSG_parallel_task_execute(task);
-
- MSG_host_del_task(host, task);
- return ret;
+ return MSG_parallel_task_execute(task);
}
/** \ingroup msg_task_usage
if (simdata->host_nb > 0) {
simdata->compute =
boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(simcall_execution_parallel_start(
- task->name, simdata->host_nb, simdata->host_list, simdata->flops_parallel_amount,
- simdata->bytes_parallel_amount, 1.0, -1.0, timeout));
+ task->name ?: "", simdata->host_nb, simdata->host_list, simdata->flops_parallel_amount,
+ simdata->bytes_parallel_amount, -1.0, timeout));
XBT_DEBUG("Parallel execution action created: %p", simdata->compute.get());
} else {
simdata->compute = boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(
- simcall_execution_start(task->name, simdata->flops_amount, simdata->priority, simdata->bound));
+ simcall_execution_start(task->name ?: "", simdata->flops_amount, simdata->priority, simdata->bound,
+ MSG_process_get_host(MSG_process_self())));
}
simcall_set_category(simdata->compute, task->category);
comp_state = simcall_execution_wait(simdata->compute);
{
msg_error_t status = MSG_OK;
- TRACE_msg_process_sleep_in(MSG_process_self());
-
try {
- simcall_process_sleep(nb_sec);
+ simgrid::s4u::this_actor::sleep_for(nb_sec);
}
catch(xbt_ex& e) {
if (e.category == cancel_error) {
throw;
}
- TRACE_msg_process_sleep_out(MSG_process_self());
return status;
}
*
* \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
+ * \param rate limit the reception to rate bandwidth (byte/sec)
+ *
+ * The rate parameter can be used to receive a task with a limited
+ * bandwidth (smaller than the physical available value). Use
+ * MSG_task_receive() if you don't limit the rate (or pass -1 as a
+ * rate value do disable this feature).
*
* \return Returns
* #MSG_OK if the task was successfully received,
* \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
+ * \param rate limit the reception to rate bandwidth (byte/sec)
+ *
+ * The rate parameter can be used to send a task with a limited
+ * bandwidth (smaller than the physical available value). Use
+ * MSG_task_receive() if you don't limit the rate (or pass -1 as a
+ * rate value do disable this feature).
*
* \return Returns
* #MSG_OK if the task was successfully received,
* \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
+ * \param rate limit the reception to rate bandwidth (byte/sec)
+ *
+ * The rate parameter can be used to receive a task with a limited
+ * bandwidth (smaller than the physical available value). Use
+ * MSG_task_receive_ext() if you don't limit the rate (or pass -1 as a
+ * rate value do disable this feature).
*
* \return Returns
* #MSG_OK if the task was successfully received,
double rate)
{
XBT_DEBUG("MSG_task_receive_ext: Trying to receive a message on mailbox '%s'", alias);
- simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(alias);
+ simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::by_name(alias);
msg_error_t ret = MSG_OK;
/* We no longer support getting a task from a specific host */
if (host)
THROW_UNIMPLEMENTED;
TRACE_msg_task_get_start();
- double start_time = MSG_get_clock();
/* Sanity check */
xbt_assert(task, "Null pointer for the task storage");
/* Try to receive it by calling SIMIX network layer */
try {
- simcall_comm_recv(MSG_process_self()->getImpl(), mailbox->getImpl(), task, nullptr, nullptr, nullptr, nullptr, timeout, rate);
- XBT_DEBUG("Got task %s from %s",(*task)->name,mailbox->name());
+ simcall_comm_recv(MSG_process_self()->get_impl(), mailbox->get_impl(), task, nullptr, nullptr, nullptr, nullptr,
+ timeout, rate);
+ XBT_DEBUG("Got task %s from %s", (*task)->name, mailbox->get_cname());
(*task)->simdata->setNotUsed();
}
catch (xbt_ex& e) {
}
if (ret != MSG_HOST_FAILURE && ret != MSG_TRANSFER_FAILURE && ret != MSG_TIMEOUT) {
- TRACE_msg_task_get_end(start_time, *task);
+ TRACE_msg_task_get_end(*task);
}
return ret;
}
-/* Internal function used to factorize code between MSG_task_isend_with_matching() and MSG_task_dsend(). */
-static inline msg_comm_t MSG_task_isend_internal(msg_task_t task, const char *alias,
- int (*match_fun)(void*,void*, smx_activity_t),
- void *match_data, void_f_pvoid_t cleanup, int detached)
+/* Internal function used to factorize code between MSG_task_isend(), MSG_task_isend_bounded(), and MSG_task_dsend(). */
+static inline msg_comm_t MSG_task_isend_internal(msg_task_t task, const char* alias,
+ void_f_pvoid_t cleanup, int detached)
{
simdata_task_t t_simdata = nullptr;
msg_process_t myself = MSG_process_self();
- simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(alias);
- int call_end = TRACE_msg_task_put_start(task);
+ simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::by_name(alias);
+ TRACE_msg_task_put_start(task);
/* Prepare the task to send */
t_simdata = task->simdata;
msg_global->sent_msg++;
/* Send it by calling SIMIX network layer */
- smx_activity_t act = simcall_comm_isend(myself->getImpl(), mailbox->getImpl(), t_simdata->bytes_amount, t_simdata->rate,
- task, sizeof(void *), match_fun, cleanup, nullptr, match_data,detached);
+ smx_activity_t act =
+ simcall_comm_isend(myself->get_impl(), mailbox->get_impl(), t_simdata->bytes_amount, t_simdata->rate, task,
+ sizeof(void*), nullptr, cleanup, nullptr, nullptr, detached);
t_simdata->comm = boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(act);
msg_comm_t comm = nullptr;
if (not detached) {
- comm = xbt_new0(s_msg_comm_t, 1);
- comm->task_sent = task;
- comm->task_received = nullptr;
- comm->status = MSG_OK;
- comm->s_comm = act;
+ comm = new simgrid::msg::Comm(task, nullptr, act);
}
if (TRACE_is_enabled())
simcall_set_category(act, task->category);
- if (call_end)
- TRACE_msg_task_put_end();
+ TRACE_msg_task_put_end();
return comm;
}
*/
msg_comm_t MSG_task_isend(msg_task_t task, const char *alias)
{
- return MSG_task_isend_internal(task, alias, nullptr, nullptr, nullptr, 0);
+ return MSG_task_isend_internal(task, alias, nullptr, 0);
}
/** \ingroup msg_task_usage
*
* \param task a #msg_task_t to send on another location.
* \param alias name of the mailbox to sent the task to
- * \param maxrate the maximum communication rate for sending this task .
+ * \param maxrate the maximum communication rate for sending this task (byte/sec).
* \return the msg_comm_t communication created
*/
msg_comm_t MSG_task_isend_bounded(msg_task_t task, const char *alias, double maxrate)
{
task->simdata->rate = maxrate;
- return MSG_task_isend_internal(task, alias, nullptr, nullptr, nullptr, 0);
-}
-
-/** \ingroup msg_task_usage
- * \brief Sends a task on a mailbox, with support for matching requests
- *
- * This is a non blocking function: use MSG_comm_wait() or MSG_comm_test() to end the communication.
- *
- * \param task a #msg_task_t to send on another location.
- * \param alias name of the mailbox to sent the task to
- * \param match_fun boolean function which parameters are:
- * - match_data_provided_here
- * - match_data_provided_by_other_side_if_any
- * - the_smx_synchro_describing_the_other_side
- * \param match_data user provided data passed to match_fun
- * \return the msg_comm_t communication created
- */
-msg_comm_t MSG_task_isend_with_matching(msg_task_t task, const char *alias,
- int (*match_fun)(void*, void*, smx_activity_t), void *match_data)
-{
- return MSG_task_isend_internal(task, alias, match_fun, match_data, nullptr, 0);
+ return MSG_task_isend_internal(task, alias, nullptr, 0);
}
/** \ingroup msg_task_usage
*/
void MSG_task_dsend(msg_task_t task, const char *alias, void_f_pvoid_t cleanup)
{
- MSG_task_isend_internal(task, alias, nullptr, nullptr, cleanup, 1);
+ msg_comm_t XBT_ATTRIB_UNUSED comm = MSG_task_isend_internal(task, alias, cleanup, 1);
+ xbt_assert(comm == nullptr);
}
/** \ingroup msg_task_usage
* <a href="http://lists.gforge.inria.fr/pipermail/simgrid-user/2011-November/002649.html">this thread</a>
* in the SimGrid-user mailing list archive.
*
+ * The rate parameter can be used to send a task with a limited
+ * bandwidth (smaller than the physical available value). Use
+ * MSG_task_dsend() if you don't limit the rate (or pass -1 as a rate
+ * value do disable this feature).
+ *
* \param task a #msg_task_t to send on another location.
* \param alias name of the mailbox to sent the task to
* \param cleanup a function to destroy the task if the
* communication fails, e.g. MSG_task_destroy
* (if nullptr, no function will be called)
- * \param maxrate the maximum communication rate for sending this task
+ * \param maxrate the maximum communication rate for sending this task (byte/sec)
*
*/
void MSG_task_dsend_bounded(msg_task_t task, const char *alias, void_f_pvoid_t cleanup, double maxrate)
/** \ingroup msg_task_usage
* \brief Starts listening for receiving a task from an asynchronous communication at a given rate.
*
+ * The rate parameter can be used to receive a task with a limited
+ * bandwidth (smaller than the physical available value). Use
+ * MSG_task_irecv() if you don't limit the rate (or pass -1 as a rate
+ * value do disable this feature).
+ *
* \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
+ * \param rate limit the bandwidth to the given rate (byte/sec)
* \return the msg_comm_t communication created
*/
msg_comm_t MSG_task_irecv_bounded(msg_task_t *task, const char *name, double rate)
{
- simgrid::s4u::MailboxPtr mbox = simgrid::s4u::Mailbox::byName(name);
+ simgrid::s4u::MailboxPtr mbox = simgrid::s4u::Mailbox::by_name(name);
/* FIXME: these functions are not traceable */
/* Sanity check */
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 = nullptr;
- comm->task_received = task;
- comm->status = MSG_OK;
- comm->s_comm = simcall_comm_irecv(SIMIX_process_self(), mbox->getImpl(), task, nullptr, nullptr, nullptr, nullptr, rate);
+ msg_comm_t comm = new simgrid::msg::Comm(
+ nullptr, task,
+ simcall_comm_irecv(SIMIX_process_self(), mbox->get_impl(), task, nullptr, nullptr, nullptr, nullptr, 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
- * \return TRUE if the communication is finished
+ * \return 'true' if the communication is finished
* (but it may have failed, use MSG_comm_get_status() to know its status)
- * or FALSE if the communication is not finished yet
- * If the status is FALSE, don't forget to use MSG_process_sleep() after the test.
+ * or 'false' if the communication is not finished yet
+ * If the status is 'false', don't forget to use MSG_process_sleep() after the test.
*/
int MSG_comm_test(msg_comm_t comm)
{
- int finished = 0;
+ bool finished = false;
try {
finished = simcall_comm_test(comm->s_comm);
switch (e.category) {
case network_error:
comm->status = MSG_TRANSFER_FAILURE;
- finished = 1;
+ finished = true;
break;
case timeout_error:
comm->status = MSG_TIMEOUT;
- finished = 1;
+ finished = true;
break;
default:
throw;
*/
void MSG_comm_destroy(msg_comm_t comm)
{
- xbt_free(comm);
+ delete comm;
}
/** \ingroup msg_task_usage
* This is a blocking function, the execution flow will be blocked until the task is sent. The maxrate parameter allows
* the application to limit the bandwidth utilization of network links when sending the task.
*
+ * The maxrate parameter can be used to send a task with a limited
+ * bandwidth (smaller than the physical available value). Use
+ * MSG_task_send() if you don't limit the rate (or pass -1 as a rate
+ * value do disable this feature).
+ *
* \param task the task to be sent
* \param alias the mailbox name to where the task is sent
- * \param maxrate the maximum communication rate for sending this task
+ * \param maxrate the maximum communication rate for sending this task (byte/sec)
*
* \return Returns #MSG_OK if the task was successfully sent,
* #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
msg_error_t ret = MSG_OK;
simdata_task_t t_simdata = nullptr;
msg_process_t process = MSG_process_self();
- simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::byName(alias);
+ simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::by_name(alias);
- int call_end = TRACE_msg_task_put_start(task);
+ TRACE_msg_task_put_start(task);
/* Prepare the task to send */
t_simdata = task->simdata;
/* Try to send it by calling SIMIX network layer */
try {
smx_activity_t comm = nullptr; /* MC needs the comm to be set to nullptr during the simix call */
- comm = simcall_comm_isend(SIMIX_process_self(), mailbox->getImpl(),t_simdata->bytes_amount,
- t_simdata->rate, task, sizeof(void *), nullptr, nullptr, nullptr, task, 0);
+ comm = simcall_comm_isend(SIMIX_process_self(), mailbox->get_impl(), t_simdata->bytes_amount, t_simdata->rate, task,
+ sizeof(void*), nullptr, nullptr, nullptr, nullptr, 0);
if (TRACE_is_enabled())
simcall_set_category(comm, task->category);
t_simdata->comm = boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(comm);
t_simdata->setNotUsed();
}
- if (call_end)
- TRACE_msg_task_put_end();
+ TRACE_msg_task_put_end();
return ret;
}
*
* This is a blocking function, the execution flow will be blocked until the task is sent or the timeout is achieved.
*
+ * The maxrate parameter can be used to send a task with a limited
+ * bandwidth (smaller than the physical available value). Use
+ * MSG_task_send_with_timeout() if you don't limit the rate (or pass -1 as a rate
+ * value do disable this feature).
+ *
* \param task the task to be sent
* \param alias the mailbox name to where the task is sent
* \param timeout is the maximum wait time for completion (if -1, this call is the same as #MSG_task_send)
- * \param maxrate the maximum communication rate for sending this task
+ * \param maxrate the maximum communication rate for sending this task (byte/sec)
*
* \return Returns #MSG_OK if the task was successfully sent,
* #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise.
return MSG_task_send_with_timeout(task, alias, timeout);
}
-/** \ingroup msg_task_usage
- * \brief Check if there is a communication going on in a mailbox.
- *
- * \param alias the name of the mailbox to be considered
- *
- * \return Returns 1 if there is a communication, 0 otherwise
- */
-int MSG_task_listen(const char *alias)
-{
- simgrid::s4u::MailboxPtr mbox = simgrid::s4u::Mailbox::byName(alias);
- return mbox->listen() ? 1 : 0;
-}
-
/** \ingroup msg_task_usage
* \brief Look if there is a communication on a mailbox and return the PID of the sender process.
*
*/
int MSG_task_listen_from(const char *alias)
{
- simgrid::s4u::MailboxPtr mbox = simgrid::s4u::Mailbox::byName(alias);
+ simgrid::s4u::MailboxPtr mbox = simgrid::s4u::Mailbox::by_name(alias);
simgrid::kernel::activity::CommImplPtr comm =
boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(mbox->front());
{
return task->category;
}
-
-SG_END_DECL()
