#include <cmath>
#include "simgrid/Exception.hpp"
+#include "simgrid/s4u/Actor.hpp"
#include "simgrid/s4u/Comm.hpp"
+#include "simgrid/s4u/Exec.hpp"
#include "simgrid/s4u/Mailbox.hpp"
#include "src/instr/instr_private.hpp"
-#include "src/kernel/activity/ExecImpl.hpp"
#include "src/msg/msg_private.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_gos, msg, "Logging specific to MSG (gos)");
-/**
- * @brief Executes a parallel task and waits for its termination.
- *
- * @param task a #msg_task_t to execute on the location on which the process is running.
- *
- * @return #MSG_OK if the task was successfully completed, #MSG_TASK_CANCELED or #MSG_HOST_FAILURE otherwise
- */
-msg_error_t MSG_parallel_task_execute(msg_task_t task)
-{
- return MSG_parallel_task_execute_with_timeout(task, -1);
-}
-
-msg_error_t MSG_parallel_task_execute_with_timeout(msg_task_t task, double timeout)
-{
- e_smx_state_t comp_state;
- msg_error_t status = MSG_OK;
-
- xbt_assert((not task->compute) && not task->is_used(), "This task is executed somewhere else. Go fix your code!");
-
- XBT_DEBUG("Computing on %s", MSG_process_get_name(MSG_process_self()));
-
- if (task->flops_amount <= 0.0 && not task->hosts_.empty()) {
- return MSG_OK;
- }
-
- if (TRACE_actor_is_enabled())
- simgrid::instr::Container::by_name(instr_pid(MSG_process_self()))->get_state("ACTOR_STATE")->push_event("execute");
-
- try {
- task->set_used();
-
- task->compute = boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(simcall_execution_parallel_start(
- std::move(task->get_name()), task->hosts_.size(), task->hosts_.data(),
- (task->flops_parallel_amount.empty() ? nullptr : task->flops_parallel_amount.data()),
- (task->bytes_parallel_amount.empty() ? nullptr : task->bytes_parallel_amount.data()), -1.0, timeout));
- XBT_DEBUG("Parallel execution action created: %p", task->compute.get());
- if (task->has_tracing_category())
- simgrid::simix::simcall([task] { task->compute->set_category(std::move(task->get_tracing_category())); });
-
- comp_state = simcall_execution_wait(task->compute);
-
- task->set_not_used();
-
- XBT_DEBUG("Execution task '%s' finished in state %d", task->get_cname(), (int)comp_state);
- } catch (simgrid::HostFailureException& e) {
- status = MSG_HOST_FAILURE;
- } catch (simgrid::TimeoutError& e) {
- status = MSG_TIMEOUT;
- } catch (simgrid::CancelException& e) {
- status = MSG_TASK_CANCELED;
- }
-
- /* action ended, set comm and compute = nullptr, the actions is already destroyed in the main function */
- task->flops_amount = 0.0;
- task->comm = nullptr;
- task->compute = nullptr;
-
- if (TRACE_actor_is_enabled())
- simgrid::instr::Container::by_name(instr_pid(MSG_process_self()))->get_state("ACTOR_STATE")->pop_event();
-
- return status;
-}
-
/**
* @brief Receives a task from a mailbox.
*
*/
msg_error_t MSG_task_receive_with_timeout(msg_task_t * task, const char *alias, double timeout)
{
- return MSG_task_receive_ext(task, alias, timeout, nullptr);
+ return MSG_task_receive_ext_bounded(task, alias, timeout, nullptr, -1);
}
/**
return ret;
}
-/* 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,
- bool detached)
-{
- TRACE_msg_task_put_start(task);
-
- /* Prepare the task to send */
- task->set_used();
- task->comm = nullptr;
- msg_global->sent_msg++;
-
- simgrid::s4u::CommPtr comm =
- simgrid::s4u::Mailbox::by_name(alias)->put_init(task, task->bytes_amount)->set_rate(task->get_rate());
- task->comm = comm;
- if (detached)
- comm->detach(cleanup);
- else
- comm->start();
-
- msg_comm_t msg_comm = nullptr;
- if (not detached) {
- msg_comm = new simgrid::msg::Comm(task, nullptr, comm);
- }
-
- if (TRACE_is_enabled() && task->has_tracing_category())
- simgrid::simix::simcall([comm, task] { comm->get_impl()->set_category(std::move(task->get_tracing_category())); });
-
- return msg_comm;
-}
-
-/**
- * @brief Sends a task on a mailbox.
- *
- * 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
- * @return the msg_comm_t communication created
- */
-msg_comm_t MSG_task_isend(msg_task_t task, const char *alias)
-{
- return MSG_task_isend_internal(task, alias, nullptr, false);
-}
-
-/**
- * @brief Sends a task on a mailbox with a maximum rate
- *
- * This is a non blocking function: use MSG_comm_wait() or MSG_comm_test() to end the communication. The maxrate
- * parameter allows the application to limit the bandwidth utilization of network links when sending the task.
- *
- * @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 (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->set_rate(maxrate);
- return MSG_task_isend_internal(task, alias, nullptr, false);
-}
-
-/**
- * @brief Sends a task on a mailbox.
- *
- * This is a non blocking detached send function.
- * Think of it as a best effort send. Keep in mind that the third parameter is only called if the communication fails.
- * If the communication does work, it is responsibility of the receiver code to free anything related to the task, as
- * usual. More details on this can be obtained on
- * <a href="http://lists.gforge.inria.fr/pipermail/simgrid-user/2011-November/002649.html">this thread</a>
- * in the SimGrid-user mailing list archive.
- *
- * @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)
- */
-void MSG_task_dsend(msg_task_t task, const char *alias, void_f_pvoid_t cleanup)
-{
- msg_comm_t XBT_ATTRIB_UNUSED comm = MSG_task_isend_internal(task, alias, cleanup, true);
- xbt_assert(comm == nullptr);
-}
-
-/**
- * @brief Sends a task on a mailbox with a maximal rate.
- *
- * This is a non blocking detached send function.
- * Think of it as a best effort send. Keep in mind that the third parameter is only called if the communication fails.
- * If the communication does work, it is responsibility of the receiver code to free anything related to the task, as
- * usual. More details on this can be obtained on
- * <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 (byte/sec)
- *
- */
-void MSG_task_dsend_bounded(msg_task_t task, const char *alias, void_f_pvoid_t cleanup, double maxrate)
-{
- task->set_rate(maxrate);
- MSG_task_dsend(task, alias, cleanup);
-}
/**
* @brief Starts listening for receiving a task from an asynchronous communication.
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 = new simgrid::msg::Comm(
- nullptr, task, mbox->get_init()->set_dst_data((void**)task, sizeof(msg_task_t*))->set_rate(rate)->start());
+ simgrid::s4u::CommPtr comm = simgrid::s4u::Mailbox::by_name(name)
+ ->get_init()
+ ->set_dst_data((void**)task, sizeof(msg_task_t*))
+ ->set_rate(rate)
+ ->start();
- return comm;
+ return new simgrid::msg::Comm(nullptr, task, comm);
}
/**
* @param buff the data copied
* @param buff_size size of the buffer
*/
+// deprecated but used by MSG_set_copy_callback. Should be removed in v325
void MSG_comm_copy_data_from_SIMIX(simgrid::kernel::activity::CommImpl* comm, void* buff, size_t buff_size)
{
SIMIX_comm_copy_pointer_callback(comm, buff, buff_size);
}
}
-/**
- * @brief Sends a task to a mailbox
- *
- * This is a blocking function, the execution flow will be blocked until the task is sent (and received on the other
- * side if #MSG_task_receive is used).
- * See #MSG_task_isend for sending tasks asynchronously.
- *
- * @param task the task to be sent
- * @param alias the mailbox name to where the task is sent
- *
- * @return Returns #MSG_OK if the task was successfully sent,
- * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
- */
-msg_error_t MSG_task_send(msg_task_t task, const char *alias)
-{
- XBT_DEBUG("MSG_task_send: Trying to send a message on mailbox '%s'", alias);
- return MSG_task_send_with_timeout(task, alias, -1);
-}
-
-/**
- * @brief Sends a task to a mailbox with a maximum rate
- *
- * 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 (byte/sec)
- *
- * @return Returns #MSG_OK if the task was successfully sent,
- * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
- */
-msg_error_t MSG_task_send_bounded(msg_task_t task, const char *alias, double maxrate)
-{
- task->set_rate(maxrate);
- return MSG_task_send(task, alias);
-}
-
-/**
- * @brief Sends a task to a mailbox with a timeout
- *
- * This is a blocking function, the execution flow will be blocked until the task is sent or the timeout is achieved.
- *
- * @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)
- *
- * @return Returns #MSG_OK if the task was successfully sent,
- * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise.
- */
-msg_error_t MSG_task_send_with_timeout(msg_task_t task, const char *alias, double timeout)
-{
- msg_error_t ret = MSG_OK;
-
- TRACE_msg_task_put_start(task);
-
- /* Prepare the task to send */
- task->set_used();
-
- msg_global->sent_msg++;
-
- /* Try to send it */
- try {
- simgrid::s4u::CommPtr comm =
- simgrid::s4u::Mailbox::by_name(alias)->put_init(task, task->bytes_amount)->set_rate(task->get_rate());
- task->comm = comm;
- comm->start();
- if (TRACE_is_enabled() && task->has_tracing_category())
- simgrid::simix::simcall(
- [comm, task] { comm->get_impl()->set_category(std::move(task->get_tracing_category())); });
- comm->wait_for(timeout);
- } catch (simgrid::TimeoutError& e) {
- ret = MSG_TIMEOUT;
- } catch (simgrid::CancelException& e) {
- ret = MSG_HOST_FAILURE;
- } catch (xbt_ex& e) {
- if (e.category == network_error)
- ret = MSG_TRANSFER_FAILURE;
- else
- throw;
-
- /* If the send failed, it is not used anymore */
- task->set_not_used();
- }
-
- return ret;
-}
-
-/**
- * @brief Sends a task to a mailbox with a timeout and with a maximum rate
- *
- * 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 (byte/sec)
- *
- * @return Returns #MSG_OK if the task was successfully sent,
- * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise.
- */
-msg_error_t MSG_task_send_with_timeout_bounded(msg_task_t task, const char *alias, double timeout, double maxrate)
-{
- task->set_rate(maxrate);
- return MSG_task_send_with_timeout(task, alias, timeout);
-}
-
/**
* @brief Look if there is a communication on a mailbox and return the PID of the sender process.
*
else
return -1;
}
-
