end of reorganizing cloud examples

[simgrid.git] / examples / msg / cloud-two-tasks / cloud-two-tasks.c

diff --git a/examples/msg/cloud-two-tasks/cloud-two-tasks.c b/examples/msg/cloud-two-tasks/cloud-two-tasks.c
new file mode 100644 (file)
index 0000000..15c9698
--- /dev/null
+++ b/examples/msg/cloud-two-tasks/cloud-two-tasks.c
@@ -0,0 +1,105 @@
+/* Copyright (c) 2014-2015. 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/msg.h"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
+
+msg_task_t atask = NULL;
+
+static int computation_fun(int argc, char *argv[])
+{
+  const char *pr_name = MSG_process_get_name(MSG_process_self());
+  const char *host_name = MSG_host_get_name(MSG_host_self());
+  double clock_sta, clock_end;
+  atask = MSG_task_create("Task1", 1e9, 1e9, NULL);
+  clock_sta = MSG_get_clock();
+  XBT_INFO("%s:%s task 1 created %g", host_name, pr_name, clock_sta);
+  MSG_task_execute(atask);
+  clock_end = MSG_get_clock();
+
+  XBT_INFO("%s:%s task 1 executed %g", host_name, pr_name, clock_end - clock_sta);
+
+  MSG_task_destroy(atask);
+  atask = NULL;
+
+  MSG_process_sleep(1);
+
+  atask = MSG_task_create("Task2", 1e10, 1e10, NULL);
+
+  clock_sta = MSG_get_clock();
+  XBT_INFO("%s:%s task 2 created %g", host_name, pr_name, clock_sta);
+  MSG_task_execute(atask);
+  clock_end = MSG_get_clock();
+
+  XBT_INFO("%s:%s task 2 executed %g", host_name, pr_name, clock_end - clock_sta);
+
+  MSG_task_destroy(atask);
+  atask = NULL;
+
+  return 0;
+}
+
+static void launch_computation_worker(msg_host_t host)
+{
+  const char *pr_name = "compute";
+  char **argv = xbt_new(char *, 2);
+  argv[0] = xbt_strdup(pr_name);
+  argv[1] = NULL;
+
+  MSG_process_create_with_arguments(pr_name, computation_fun, NULL, host, 1, argv);
+}
+
+static int master_main(int argc, char *argv[])
+{
+  xbt_dynar_t hosts_dynar = MSG_hosts_as_dynar();
+  msg_host_t pm0 = xbt_dynar_get_as(hosts_dynar, 0, msg_host_t);
+  msg_vm_t vm0;
+  vm0 = MSG_vm_create_core(pm0, "VM0");
+  MSG_vm_start(vm0);
+  //MSG_process_sleep(1);
+
+  launch_computation_worker(vm0);
+
+  while(MSG_get_clock()<100) {
+  if (atask != NULL)
+    XBT_INFO("aTask remaining duration: %g", MSG_task_get_flops_amount(atask));
+  MSG_process_sleep(1);
+  }
+
+  MSG_process_sleep(10000);
+  MSG_vm_destroy(vm0);
+  xbt_dynar_free(&hosts_dynar);
+  return 1;
+}
+
+static void launch_master(msg_host_t host)
+{
+  const char *pr_name = "master_";
+  char **argv = xbt_new(char *, 2);
+  argv[0] = xbt_strdup(pr_name);
+  argv[1] = NULL;
+
+  MSG_process_create_with_arguments(pr_name, master_main, NULL, host, 1, argv);
+}
+
+int main(int argc, char *argv[]){
+  MSG_init(&argc, argv);
+
+  xbt_assert(argc == 2);
+  MSG_create_environment(argv[1]);
+
+  xbt_dynar_t hosts_dynar = MSG_hosts_as_dynar();
+  msg_host_t pm0 = xbt_dynar_get_as(hosts_dynar, 0, msg_host_t);
+  launch_master(pm0);
+
+  int res = MSG_main();
+  XBT_INFO("Bye (simulation time %g)", MSG_get_clock());
+  xbt_dynar_free(&hosts_dynar);
+
+  return !(res == MSG_OK);
+}
+