+++ /dev/null
-/* Copyright (c) 2010-2020. 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 "simgrid/actor.h"
-#include "simgrid/comm.h"
-#include "simgrid/engine.h"
-#include "simgrid/forward.h"
-#include "simgrid/mailbox.h"
-#include "xbt/asserts.h"
-#include "xbt/log.h"
-#include "xbt/str.h"
-
-#include <stdio.h> /* snprintf */
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(async_waitany, "Messages specific for this example");
-
-static int sender(int argc, char* argv[])
-{
- xbt_assert(argc == 4, "Expecting 3 parameters from the XML deployment file but got %d", argc);
- long messages_count = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s");
- long msg_size = xbt_str_parse_int(argv[2], "Invalid communication size: %s");
- long receivers_count = xbt_str_parse_int(argv[3], "Invalid amount of receivers: %s");
-
- /* Array in which we store all ongoing communications */
- sg_comm_t* pending_comms = malloc(sizeof(sg_comm_t) * (messages_count + receivers_count));
- int pending_comms_count = 0;
-
- /* Make an array of the mailboxes to use */
- sg_mailbox_t* mboxes = malloc(sizeof(sg_mailbox_t) * receivers_count);
- for (long i = 0; i < receivers_count; i++) {
- char mailbox_name[80];
- snprintf(mailbox_name, 79, "receiver-%ld", (i));
- sg_mailbox_t mbox = sg_mailbox_by_name(mailbox_name);
- mboxes[i] = mbox;
- }
-
- /* Start dispatching all messages to receivers, in a round robin fashion */
- for (int i = 0; i < messages_count; i++) {
- char msg_content[80];
- snprintf(msg_content, 79, "Message_%d", i);
- sg_mailbox_t mbox = mboxes[i % receivers_count];
- XBT_INFO("Send '%s' to '%s'", msg_content, sg_mailbox_get_name(mbox));
-
- sg_comm_t comm = sg_mailbox_put_async(mbox, xbt_strdup(msg_content), msg_size);
- pending_comms[pending_comms_count++] = comm;
- }
- /* Start sending messages to let the workers know that they should stop */
- for (int i = 0; i < receivers_count; i++) {
- XBT_INFO("Send 'finalize' to 'receiver-%d'", i);
- char* end_msg = xbt_strdup("finalize");
- sg_mailbox_t mbox = mboxes[i % receivers_count];
- sg_comm_t comm = sg_mailbox_put_async(mbox, end_msg, 0);
- pending_comms[pending_comms_count++] = comm;
- }
-
- XBT_INFO("Done dispatching all messages");
-
- /* Now that all message exchanges were initiated, wait for their completion, in order of termination.
- *
- * This loop waits for first terminating message with wait_any() and remove it with erase(), until all comms are
- * terminated
- * Even in this simple example, the pending comms do not terminate in the exact same order of creation.
- */
- while (pending_comms_count != 0) {
- int changed_pos = sg_comm_wait_any_for(pending_comms, pending_comms_count, -1);
- memmove(pending_comms + changed_pos, pending_comms + changed_pos + 1,
- sizeof(sg_comm_t) * (pending_comms_count - changed_pos - 1));
- pending_comms_count--;
-
- if (changed_pos != 0)
- XBT_INFO("Remove the %dth pending comm: it terminated earlier than another comm that was initiated first.",
- changed_pos);
- }
-
- free(pending_comms);
- free(mboxes);
-
- XBT_INFO("Goodbye now!");
- return 0;
-}
-
-static int receiver(int argc, char* argv[])
-{
- xbt_assert(argc == 2, "Expecting one parameter from the XML deployment file but got %d", argc);
- int id = xbt_str_parse_int(argv[1], "ID should be numerical, not %s");
- char mailbox_name[80];
- snprintf(mailbox_name, 79, "receiver-%d", id);
- sg_mailbox_t mbox = sg_mailbox_by_name(mailbox_name);
- XBT_INFO("Wait for my first message on '%s'", mailbox_name);
- while (1) {
- char* received = (char*)sg_mailbox_get(mbox);
- XBT_INFO("I got a '%s'.", received);
- if (!strcmp(received, "finalize")) { // If it's a finalize message, we're done
- xbt_free(received);
- break;
- }
- xbt_free(received);
- }
-
- XBT_INFO("I'm done. See you!");
- return 0;
-}
-
-int main(int argc, char* argv[])
-{
- simgrid_init(&argc, argv);
- xbt_assert(argc > 2,
- "Usage: %s platform_file deployment_file\n"
- "\tExample: %s msg_platform.xml msg_deployment.xml\n",
- argv[0], argv[0]);
-
- simgrid_load_platform(argv[1]);
-
- simgrid_register_function("sender", sender);
- simgrid_register_function("receiver", receiver);
- simgrid_load_deployment(argv[2]);
-
- simgrid_run();
-
- XBT_INFO("Simulation time %g", simgrid_get_clock());
-
- return 0;
-}
