1 /* Copyright (c) 2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "xbt/sysdep.h"
12 #include "xbt/asserts.h"
13 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
14 "Messages specific for this msg example");
16 msg_task_t atask = NULL;
18 static int computation_fun(int argc, char *argv[])
20 const char *pr_name = MSG_process_get_name(MSG_process_self());
21 const char *host_name = MSG_host_get_name(MSG_host_self());
22 double clock_sta, clock_end;
23 atask = MSG_task_create("Task1", 1e9, 1e9, NULL);
24 clock_sta = MSG_get_clock();
25 XBT_INFO("%s:%s task 1 created %g", host_name, pr_name, clock_sta);
26 MSG_task_execute(atask);
27 clock_end = MSG_get_clock();
29 XBT_INFO("%s:%s task 1 executed %g", host_name, pr_name, clock_end - clock_sta);
31 MSG_task_destroy(atask);
36 atask = MSG_task_create("Task2", 1e10, 1e10, NULL);
38 clock_sta = MSG_get_clock();
39 XBT_INFO("%s:%s task 2 created %g", host_name, pr_name, clock_sta);
40 MSG_task_execute(atask);
41 clock_end = MSG_get_clock();
43 XBT_INFO("%s:%s task 2 executed %g", host_name, pr_name, clock_end - clock_sta);
45 MSG_task_destroy(atask);
51 static void launch_computation_worker(msg_host_t host)
53 const char *pr_name = "compute";
54 char **argv = xbt_new(char *, 2);
55 argv[0] = xbt_strdup(pr_name);
58 MSG_process_create_with_arguments(pr_name, computation_fun, NULL, host, 1, argv);
61 static int master_main(int argc, char *argv[])
63 xbt_dynar_t hosts_dynar = MSG_hosts_as_dynar();
64 msg_host_t pm0 = xbt_dynar_get_as(hosts_dynar, 0, msg_host_t);
66 vm0 = MSG_vm_create_core(pm0, "VM0");
68 //MSG_process_sleep(1);
70 launch_computation_worker(pm0);
72 while(MSG_get_clock()<100) {
74 XBT_INFO("aTask remaining duration: %g", MSG_task_get_remaining_computation(atask));
78 MSG_process_sleep(10000);
82 static void launch_master(msg_host_t host)
84 const char *pr_name = "master_";
85 char **argv = xbt_new(char *, 2);
86 argv[0] = xbt_strdup(pr_name);
89 MSG_process_create_with_arguments(pr_name, master_main, NULL, host, 1, argv);
92 int main(int argc, char *argv[]){
93 MSG_init(&argc, argv);
95 xbt_assert(argc == 2);
96 MSG_create_environment(argv[1]);
98 xbt_dynar_t hosts_dynar = MSG_hosts_as_dynar();
99 msg_host_t pm0 = xbt_dynar_get_as(hosts_dynar, 0, msg_host_t);
102 int res = MSG_main();
103 XBT_INFO("Bye (simulation time %g)", MSG_get_clock());
105 return !(res == MSG_OK);