1 /* Copyright (c) 2010-2016. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/msg.h"
8 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_async_waitall, "Messages specific for this msg example");
10 static int sender(int argc, char *argv[])
12 long number_of_tasks = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s");
13 double task_comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s");
14 double task_comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s");
15 long receivers_count = xbt_str_parse_int(argv[4], "Invalid amount of receivers: %s");
17 msg_comm_t *comm = xbt_new(msg_comm_t, number_of_tasks + receivers_count);
19 msg_task_t task = NULL;
20 for (i = 0; i < number_of_tasks; i++) {
22 char snprintf_buffer[256];
23 snprintf(mailbox,255, "receiver-%ld", i % receivers_count);
24 snprintf(snprintf_buffer,255, "Task_%d", i);
25 task = MSG_task_create(snprintf_buffer, task_comp_size, task_comm_size, NULL);
26 comm[i] = MSG_task_isend(task, mailbox);
27 XBT_INFO("Send to receiver-%ld Task_%d", i % receivers_count, i);
29 for (i = 0; i < receivers_count; i++) {
31 snprintf(mailbox,79, "receiver-%ld", i % receivers_count);
32 task = MSG_task_create("finalize", 0, 0, 0);
33 comm[i + number_of_tasks] = MSG_task_isend(task, mailbox);
34 XBT_INFO("Send to receiver-%ld finalize", i % receivers_count);
37 /* Here we are waiting for the completion of all communications */
38 MSG_comm_waitall(comm, (number_of_tasks + receivers_count), -1);
39 for (i = 0; i < number_of_tasks + receivers_count; i++)
40 MSG_comm_destroy(comm[i]);
42 XBT_INFO("Goodbye now!");
47 static int receiver(int argc, char *argv[])
49 msg_task_t task = NULL;
50 XBT_ATTRIB_UNUSED msg_error_t res;
54 XBT_ATTRIB_UNUSED int read;
55 read = sscanf(argv[1], "%d", &id);
56 xbt_assert(read, "Invalid argument %s\n", argv[1]);
57 MSG_process_sleep(10);
58 snprintf(mailbox,79, "receiver-%d", id);
60 res_irecv = MSG_task_irecv(&(task), mailbox);
61 XBT_INFO("Wait to receive a task");
62 res = MSG_comm_wait(res_irecv, -1);
63 MSG_comm_destroy(res_irecv);
64 xbt_assert(res == MSG_OK, "MSG_task_get failed");
65 XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
66 if (strcmp(MSG_task_get_name(task), "finalize") == 0) {
67 MSG_task_destroy(task);
71 XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
72 MSG_task_execute(task);
73 XBT_INFO("\"%s\" done", MSG_task_get_name(task));
74 MSG_task_destroy(task);
77 XBT_INFO("I'm done. See you!");
81 int main(int argc, char *argv[])
83 msg_error_t res = MSG_OK;
85 MSG_init(&argc, argv);
86 xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
87 "\tExample: %s msg_platform.xml msg_deployment.xml\n", argv[0], argv[0]);
89 MSG_create_environment(argv[1]);
90 MSG_function_register("sender", sender);
91 MSG_function_register("receiver", receiver);
92 MSG_launch_application(argv[2]);
96 XBT_INFO("Simulation time %g", MSG_get_clock());