1 /* Copyright (c) 2007-2016. 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_test, "Messages specific for this msg example");
10 int timer_start; //set as 1 in the master process
12 //keep a pointer to all surf running tasks.
14 double start_time, end_time, elapsed_time;
15 double gl_data_size[NTASKS];
16 msg_task_t gl_task_array[NTASKS];
17 const char *workernames[NTASKS];
18 const char *masternames[NTASKS];
19 int gl_task_array_id = 0;
20 int count_finished = 0;
22 #define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
24 static int master(int argc, char *argv[])
28 xbt_assert(argc==4,"Strange number of arguments expected 3 got %d", argc - 1);
30 XBT_DEBUG ("Master started");
33 double task_comm_size = xbt_str_parse_double(argv[1], "Invalid task communication size: %s");
36 char *workername = argv[2];
37 int id = xbt_str_parse_int(argv[3], "Invalid ID as argument 3: %s"); //unique id to control statistics
38 char *id_alias = xbt_malloc(20*sizeof(char));
39 snprintf(id_alias, 20, "flow_%d", id);
40 workernames[id] = workername;
41 TRACE_category(id_alias);
43 masternames[id] = MSG_host_get_name(MSG_host_self());
45 { /* Task creation. */
46 todo = MSG_task_create("Task_0", 100*task_comm_size, task_comm_size, NULL);
47 MSG_task_set_category(todo, id_alias);
48 //keep track of running tasks
49 gl_task_array[id] = todo;
50 gl_data_size[id] = task_comm_size;
53 MSG_host_by_name(workername);
58 /* time measurement */
59 snprintf(id_alias,20,"%d", id);
60 start_time = MSG_get_clock();
61 MSG_task_send(todo, id_alias);
62 end_time = MSG_get_clock();
64 XBT_DEBUG ("Finished");
69 static int timer(int argc, char *argv[])
74 xbt_assert(argc==3,"Strange number of arguments expected 2 got %d", argc - 1);
76 sscanf(argv[1], "%lf", &first_sleep);
77 sscanf(argv[2], "%lf", &sleep_time);
79 XBT_DEBUG ("Timer started");
82 MSG_process_sleep(first_sleep);
86 XBT_DEBUG ("Get sleep");
87 MSG_process_sleep(sleep_time);
90 XBT_DEBUG ("Finished");
94 static int worker(int argc, char *argv[])
96 msg_task_t task = NULL;
99 xbt_assert(argc==2,"Strange number of arguments expected 1 got %d", argc - 1);
101 XBT_DEBUG ("Worker started");
103 int id = xbt_str_parse_int(argv[1], "Invalid id: %s");
104 snprintf(id_alias,10, "%d", id);
106 msg_error_t a = MSG_task_receive(&(task), id_alias);
109 if(count_finished == 0){
113 xbt_assert(a == MSG_OK,"Hey?! What's up? Unexpected behavior");
115 elapsed_time = MSG_get_clock() - start_time;
117 XBT_INFO("FLOW[%d] : Receive %.0f bytes from %s to %s", id, MSG_task_get_bytes_amount(task), masternames[id],
119 // MSG_task_execute(task);
120 MSG_task_destroy(task);
122 XBT_DEBUG ("Finished");
126 int main(int argc, char *argv[])
128 MSG_init(&argc, argv);
129 xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
130 "\tExample: %s platform.xml deployment.xml\n", argv[0], argv[0]);
132 MSG_create_environment(argv[1]);
133 TRACE_declare_mark("endmark");
135 MSG_function_register("master", master);
136 MSG_function_register("worker", worker);
137 MSG_function_register("timer", timer);
139 MSG_launch_application(argv[2]);
141 msg_error_t res = MSG_main();
143 return res != MSG_OK;