+++ /dev/null
-/* Copyright (c) 2004-2019. 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 <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/msg/msg_private.hpp"
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_comm, msg, "Logging specific to MSG (comm)");
-
-namespace simgrid {
-namespace msg {
-
-bool Comm::test()
-{
- bool finished = false;
-
- try {
- finished = s_comm->test();
- if (finished && task_received != nullptr) {
- /* I am the receiver */
- (*task_received)->set_not_used();
- }
- } catch (simgrid::TimeoutError& e) {
- status_ = MSG_TIMEOUT;
- finished = true;
- } catch (simgrid::CancelException& e) {
- status_ = MSG_TASK_CANCELED;
- finished = true;
- } catch (xbt_ex& e) {
- if (e.category == network_error) {
- status_ = MSG_TRANSFER_FAILURE;
- finished = true;
- } else {
- throw;
- }
- }
-
- return finished;
-}
-msg_error_t Comm::wait_for(double timeout)
-{
- try {
- s_comm->wait_for(timeout);
-
- if (task_received != nullptr) {
- /* I am the receiver */
- (*task_received)->set_not_used();
- }
-
- /* FIXME: these functions are not traceable */
- } catch (simgrid::TimeoutError& e) {
- status_ = MSG_TIMEOUT;
- } catch (simgrid::CancelException& e) {
- status_ = MSG_TASK_CANCELED;
- } catch (xbt_ex& e) {
- if (e.category == network_error)
- status_ = MSG_TRANSFER_FAILURE;
- else
- throw;
- }
-
- return status_;
-}
-} // namespace msg
-} // namespace simgrid
-
-/**
- * @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
- * (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.
- */
-int MSG_comm_test(msg_comm_t comm)
-{
- return comm->test();
-}
-
-/**
- * @brief This function checks if a communication is finished.
- * @param comms a vector of communications
- * @return the position of the finished communication if any
- * (but it may have failed, use MSG_comm_get_status() to know its status), or -1 if none is finished
- */
-int MSG_comm_testany(xbt_dynar_t comms)
-{
- int finished_index = -1;
-
- /* Create the equivalent array with SIMIX objects: */
- std::vector<simgrid::kernel::activity::CommImpl*> s_comms;
- s_comms.reserve(xbt_dynar_length(comms));
- msg_comm_t comm;
- unsigned int cursor;
- xbt_dynar_foreach (comms, cursor, comm) {
- s_comms.push_back(static_cast<simgrid::kernel::activity::CommImpl*>(comm->s_comm->get_impl().get()));
- }
-
- msg_error_t status = MSG_OK;
- try {
- finished_index = simcall_comm_testany(s_comms.data(), s_comms.size());
- } catch (simgrid::TimeoutError& e) {
- finished_index = e.value;
- status = MSG_TIMEOUT;
- } catch (simgrid::CancelException& e) {
- finished_index = e.value;
- status = MSG_TASK_CANCELED;
- } catch (xbt_ex& e) {
- if (e.category != network_error)
- throw;
- finished_index = e.value;
- status = MSG_TRANSFER_FAILURE;
- }
-
- if (finished_index != -1) {
- comm = xbt_dynar_get_as(comms, finished_index, msg_comm_t);
- /* the communication is finished */
- comm->set_status(status);
-
- if (status == MSG_OK && comm->task_received != nullptr) {
- /* I am the receiver */
- (*comm->task_received)->set_not_used();
- }
- }
-
- return finished_index;
-}
-
-/** @brief Destroys the provided communication. */
-void MSG_comm_destroy(msg_comm_t comm)
-{
- delete comm;
-}
-
-/** @brief Wait for the completion of a communication.
- *
- * It takes two parameters.
- * @param comm the communication to wait.
- * @param timeout Wait until the communication terminates or the timeout occurs.
- * You can provide a -1 timeout to obtain an infinite timeout.
- * @return msg_error_t
- */
-msg_error_t MSG_comm_wait(msg_comm_t comm, double timeout)
-{
- return comm->wait_for(timeout);
-}
-
-/** @brief This function is called by a sender and permit to wait for each communication
- *
- * @param comm a vector of communication
- * @param nb_elem is the size of the comm vector
- * @param timeout for each call of MSG_comm_wait
- */
-void MSG_comm_waitall(msg_comm_t* comm, int nb_elem, double timeout)
-{
- for (int i = 0; i < nb_elem; i++)
- comm[i]->wait_for(timeout);
-}
-
-/** @brief This function waits for the first communication finished in a list.
- * @param comms a vector of communications
- * @return the position of the first finished communication
- * (but it may have failed, use MSG_comm_get_status() to know its status)
- */
-int MSG_comm_waitany(xbt_dynar_t comms)
-{
- int finished_index = -1;
-
- /* Create the equivalent array with SIMIX objects: */
- std::vector<simgrid::kernel::activity::CommImpl*> s_comms;
- s_comms.reserve(xbt_dynar_length(comms));
- msg_comm_t comm;
- unsigned int cursor;
- xbt_dynar_foreach (comms, cursor, comm) {
- s_comms.push_back(static_cast<simgrid::kernel::activity::CommImpl*>(comm->s_comm->get_impl().get()));
- }
-
- msg_error_t status = MSG_OK;
- try {
- finished_index = simcall_comm_waitany(s_comms.data(), s_comms.size(), -1);
- } catch (simgrid::TimeoutError& e) {
- finished_index = e.value;
- status = MSG_TIMEOUT;
- } catch (simgrid::CancelException& e) {
- finished_index = e.value;
- status = MSG_TASK_CANCELED;
- } catch (xbt_ex& e) {
- if (e.category == network_error) {
- finished_index = e.value;
- status = MSG_TRANSFER_FAILURE;
- } else {
- throw;
- }
- }
-
- xbt_assert(finished_index != -1, "WaitAny returned -1");
-
- comm = xbt_dynar_get_as(comms, finished_index, msg_comm_t);
- /* the communication is finished */
- comm->set_status(status);
-
- if (comm->task_received != nullptr) {
- /* I am the receiver */
- (*comm->task_received)->set_not_used();
- }
-
- return finished_index;
-}
-
-/**
- * @brief Returns the error (if any) that occurred during a finished communication.
- * @param comm a finished communication
- * @return the status of the communication, or #MSG_OK if no error occurred during the communication
- */
-msg_error_t MSG_comm_get_status(msg_comm_t comm)
-{
-
- return comm->get_status();
-}
-
-/** @brief Get a task (#msg_task_t) from a communication
- *
- * @param comm the communication where to get the task
- * @return the task from the communication
- */
-msg_task_t MSG_comm_get_task(msg_comm_t comm)
-{
- xbt_assert(comm, "Invalid parameter");
-
- return comm->task_received ? *comm->task_received : comm->task_sent;
-}
-
-/**
- * @brief This function is called by SIMIX in kernel mode to copy the data of a comm.
- * @param comm the 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);
-
- // notify the user callback if any
- if (msg_global->task_copy_callback) {
- msg_task_t task = static_cast<msg_task_t>(buff);
- msg_global->task_copy_callback(task, comm->src_actor_->ciface(), comm->dst_actor_->ciface());
- }
-}
