+++ /dev/null
-/* Copyright (c) 2012-2014, 2016-2017. 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 "peer.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_peer, "Messages specific for the peer");
-
-void peer_init_chain(peer_t peer, message_t msg)
-{
- peer->prev = msg->prev_hostname;
- peer->next = msg->next_hostname;
- peer->total_pieces = msg->num_pieces;
- peer->init = 1;
-}
-
-static void peer_forward_msg(peer_t peer, message_t msg)
-{
- msg_task_t task = task_message_data_new(NULL, msg->data_length);
- XBT_DEBUG("Sending (isend) from %s into mailbox %s", peer->me, peer->next);
- msg_comm_t comm = MSG_task_isend(task, peer->next);
- queue_pending_connection(comm, peer->pending_sends);
-}
-
-int peer_execute_task(peer_t peer, msg_task_t task)
-{
- int done = 0;
- message_t msg = MSG_task_get_data(task);
-
- XBT_DEBUG("Peer %s got message of type %u\n", peer->me, msg->type);
- if (msg->type == MESSAGE_BUILD_CHAIN)
- peer_init_chain(peer, msg);
- else if (msg->type == MESSAGE_SEND_DATA) {
- xbt_assert(peer->init, "peer_execute_task() failed: got msg_type %u before initialization", msg->type);
- if (peer->next != NULL)
- peer_forward_msg(peer, msg);
- peer->pieces++;
- peer->bytes += msg->data_length;
- if (peer->pieces >= peer->total_pieces) {
- XBT_DEBUG("%d pieces received", peer->pieces);
- done = 1;
- }
- }
-
- MSG_task_execute(task);
-
- return done;
-}
-
-msg_error_t peer_wait_for_message(peer_t peer)
-{
- msg_error_t status;
- msg_comm_t comm = NULL;
- msg_task_t task = NULL;
- int done = 0;
-
- while (done == 0) {
- comm = MSG_task_irecv(&task, peer->me);
- queue_pending_connection(comm, peer->pending_recvs);
- int idx = MSG_comm_waitany(peer->pending_recvs);
- if (idx != -1) {
- comm = xbt_dynar_get_as(peer->pending_recvs, idx, msg_comm_t);
- status = MSG_comm_get_status(comm);
- XBT_DEBUG("peer_wait_for_message: error code = %u", status);
- xbt_assert(status == MSG_OK, "peer_wait_for_message() failed");
-
- task = MSG_comm_get_task(comm);
- MSG_comm_destroy(comm);
- xbt_dynar_cursor_rm(peer->pending_recvs, (unsigned int*)&idx);
- done = peer_execute_task(peer, task);
-
- task_message_delete(task);
- task = NULL;
- }
- process_pending_connections(peer->pending_sends);
- }
-
- return status;
-}
-
-void peer_init(peer_t p, int argc, char *argv[])
-{
- p->init = 0;
- p->prev = NULL;
- p->next = NULL;
- p->pieces = 0;
- p->bytes = 0;
- p->pending_recvs = xbt_dynar_new(sizeof(msg_comm_t), NULL);
- p->pending_sends = xbt_dynar_new(sizeof(msg_comm_t), NULL);
- /* Set mailbox name: use host number from argv or hostname if no argument given */
- if (argc > 1) {
- p->me = bprintf("host%s", argv[1]);
- } else {
- p->me = xbt_strdup(MSG_host_get_name(MSG_host_self()));
- }
-}
-
-void peer_shutdown(peer_t p)
-{
- unsigned int size = xbt_dynar_length(p->pending_sends);
- unsigned int idx;
- msg_comm_t *comms = xbt_new(msg_comm_t, size);
-
- for (idx = 0; idx < size; idx++) {
- comms[idx] = xbt_dynar_get_as(p->pending_sends, idx, msg_comm_t);
- }
-
- XBT_DEBUG("Waiting for sends to finish before shutdown...");
- MSG_comm_waitall(comms, size, PEER_SHUTDOWN_DEADLINE);
-
- for (idx = 0; idx < size; idx++) {
- MSG_comm_destroy(comms[idx]);
- }
-
- xbt_free(comms);
-}
-
-void peer_delete(peer_t p)
-{
- xbt_dynar_free(&p->pending_recvs);
- xbt_dynar_free(&p->pending_sends);
- xbt_free(p->me);
- xbt_free(p->prev);
- xbt_free(p->next);
-
- xbt_free(p);
-}
-
-void peer_print_stats(peer_t p, float elapsed_time)
-{
- XBT_INFO("### %f %llu bytes (Avg %f MB/s); copy finished (simulated).", elapsed_time, p->bytes, p->bytes / 1024.0 / 1024.0 / elapsed_time);
-}
-
-/** Peer function */
-int peer(int argc, char *argv[])
-{
- peer_t p = xbt_new(s_peer_t, 1);
- msg_error_t status;
-
- XBT_DEBUG("peer");
-
- peer_init(p, argc, argv);
- float start_time = MSG_get_clock();
- status = peer_wait_for_message(p);
- peer_shutdown(p);
- float end_time = MSG_get_clock();
- peer_print_stats(p, end_time - start_time);
- peer_delete(p);
-
- return status;
-}
