1 /* Copyright (c) 2007-2019. 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 #include <stdio.h> /* snprintf */
10 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
12 int timer_start; //set as 1 in the master process
14 //keep a pointer to all surf running tasks.
16 double start_time, end_time, elapsed_time;
17 double gl_data_size[NTASKS];
18 msg_task_t gl_task_array[NTASKS];
19 const char *workernames[NTASKS];
20 const char *masternames[NTASKS];
21 int gl_task_array_id = 0;
22 int count_finished = 0;
24 #define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
26 static int master(int argc, char *argv[])
30 xbt_assert(argc==4,"Strange number of arguments expected 3 got %d", argc - 1);
32 XBT_DEBUG ("Master started");
35 double task_comm_size = xbt_str_parse_double(argv[1], "Invalid task communication size: %s");
38 char *workername = argv[2];
39 int id = xbt_str_parse_int(argv[3], "Invalid ID as argument 3: %s"); //unique id to control statistics
40 char *id_alias = xbt_malloc(20*sizeof(char));
41 snprintf(id_alias, 20, "flow_%d", id);
42 workernames[id] = workername;
43 TRACE_category(id_alias);
45 masternames[id] = MSG_host_get_name(MSG_host_self());
47 { /* Task creation. */
48 todo = MSG_task_create("Task_0", 100*task_comm_size, task_comm_size, NULL);
49 MSG_task_set_category(todo, id_alias);
50 //keep track of running tasks
51 gl_task_array[id] = todo;
52 gl_data_size[id] = task_comm_size;
55 MSG_host_by_name(workername);
60 /* time measurement */
61 snprintf(id_alias,20,"%d", id);
62 start_time = MSG_get_clock();
63 MSG_task_send(todo, id_alias);
64 end_time = MSG_get_clock();
66 XBT_DEBUG ("Finished");
71 static int timer(int argc, char *argv[])
76 xbt_assert(argc==3,"Strange number of arguments expected 2 got %d", argc - 1);
78 sscanf(argv[1], "%lf", &first_sleep);
79 sscanf(argv[2], "%lf", &sleep_time);
81 XBT_DEBUG ("Timer started");
84 MSG_process_sleep(first_sleep);
88 XBT_DEBUG ("Get sleep");
89 MSG_process_sleep(sleep_time);
92 XBT_DEBUG ("Finished");
96 static int worker(int argc, char *argv[])
98 msg_task_t task = NULL;
101 xbt_assert(argc==2,"Strange number of arguments expected 1 got %d", argc - 1);
103 XBT_DEBUG ("Worker started");
105 int id = xbt_str_parse_int(argv[1], "Invalid id: %s");
106 snprintf(id_alias,10, "%d", id);
108 msg_error_t a = MSG_task_receive(&(task), id_alias);
111 if(count_finished == 0){
115 xbt_assert(a == MSG_OK,"Hey?! What's up? Unexpected behavior");
117 elapsed_time = MSG_get_clock() - start_time;
119 XBT_INFO("FLOW[%d] : Receive %.0f bytes from %s to %s", id, MSG_task_get_bytes_amount(task), masternames[id],
121 // MSG_task_execute(task);
122 MSG_task_destroy(task);
124 XBT_DEBUG ("Finished");
128 int main(int argc, char *argv[])
130 MSG_init(&argc, argv);
131 xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
132 "\tExample: %s platform.xml deployment.xml\n", argv[0], argv[0]);
134 MSG_create_environment(argv[1]);
135 TRACE_declare_mark("endmark");
137 MSG_function_register("master", master);
138 MSG_function_register("worker", worker);
139 MSG_function_register("timer", timer);
141 MSG_launch_application(argv[2]);
143 msg_error_t res = MSG_main();
145 return res != MSG_OK;