-/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2007-2015. 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<stdio.h>
+#include "simgrid/msg.h"
-#include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */
-#include "xbt/sysdep.h" /* calloc */
+/** @addtogroup MSG_examples
+ *
+ * - <b>sendrecv/sendrecv.c: Ping-pong example</b>. It's hard to
+ * think of a simpler example. The tesh files laying in the
+ * directory are instructive concerning the way to pass options to the simulators (as described in \ref options).
+ */
-/* Create a log channel to have nice outputs. */
-#include "xbt/log.h"
-#include "xbt/asserts.h"
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
- "Messages specific for this msg example");
-
-int sender(int argc, char *argv[]);
-int receiver(int argc, char *argv[]);
-
-MSG_error_t test_all(const char *platform_file,
- const char *application_file);
-
-double task_comm_size_lat = 10e0;
+double task_comm_size_lat = 1;
double task_comm_size_bw = 10e8;
-/** Emitter function */
-int sender(int argc, char *argv[])
+static int sender(int argc, char *argv[])
{
- m_host_t host = NULL;
+ msg_host_t host = NULL;
double time;
- m_task_t task_la = NULL;
- m_task_t task_bw = NULL;
+ msg_task_t task_la = NULL;
+ msg_task_t task_bw = NULL;
char sprintf_buffer_la[64];
char sprintf_buffer_bw[64];
XBT_INFO("sender");
-
- /*host = xbt_new0(m_host_t,1); */
-
XBT_INFO("host = %s", argv[1]);
- host = MSG_get_host_by_name(argv[1]);
+ host = MSG_host_by_name(argv[1]);
- if (host == NULL) {
- XBT_INFO("Unknown host %s. Stopping Now! ", argv[1]);
- abort();
- }
+ xbt_assert(host != NULL, "Unknown host %s. Stopping Now! ", argv[1]);
/* Latency */
time = MSG_get_clock();
sprintf(sprintf_buffer_la, "latency task");
- task_la =
- MSG_task_create(sprintf_buffer_la, 0.0, task_comm_size_lat, NULL);
+ task_la = MSG_task_create(sprintf_buffer_la, 0.0, task_comm_size_lat, NULL);
task_la->data = xbt_new(double, 1);
*(double *) task_la->data = time;
- XBT_INFO("task_la->data = %le", *((double *) task_la->data));
+ XBT_INFO("task_la->data = %e", *((double *) task_la->data));
MSG_task_send(task_la, argv[1]);
/* Bandwidth */
time = MSG_get_clock();
sprintf(sprintf_buffer_bw, "bandwidth task");
- task_bw =
- MSG_task_create(sprintf_buffer_bw, 0.0, task_comm_size_bw, NULL);
+ task_bw = MSG_task_create(sprintf_buffer_bw, 0.0, task_comm_size_bw, NULL);
task_bw->data = xbt_new(double, 1);
*(double *) task_bw->data = time;
- XBT_INFO("task_bw->data = %le", *((double *) task_bw->data));
+ XBT_INFO("task_bw->data = %e", *((double *) task_bw->data));
MSG_task_send(task_bw, argv[1]);
return 0;
-} /* end_of_client */
+}
-/** Receiver function */
-int receiver(int argc, char *argv[])
+static int receiver(int argc, char *argv[])
{
- double time, time1, sender_time;
- m_task_t task_la = NULL;
- m_task_t task_bw = NULL;
- int a;
- double communication_time = 0;
+ msg_task_t task_la = NULL;
+ msg_task_t task_bw = NULL;
XBT_INFO("receiver");
- time = MSG_get_clock();
-
/* Get Latency */
- a = MSG_task_receive(&task_la,MSG_host_get_name(MSG_host_self()));
- if (a == MSG_OK) {
- time1 = MSG_get_clock();
- sender_time = *((double *) (task_la->data));
- time = sender_time;
- communication_time = time1 - time;
- XBT_INFO("Task received : %s", task_la->name);
- xbt_free(task_la->data);
- MSG_task_destroy(task_la);
- XBT_INFO("Communic. time %le", communication_time);
- XBT_INFO("--- la %f ----", communication_time);
- } else {
- xbt_die("Unexpected behavior");
- }
+ int a = MSG_task_receive(&task_la,MSG_host_get_name(MSG_host_self()));
+ xbt_assert(a == MSG_OK, "Unexpected behavior");
+
+ double time1 = MSG_get_clock();
+ double sender_time = *((double *) (task_la->data));
+ double time = sender_time;
+ double communication_time = time1 - time;
+ XBT_INFO("Task received : %s", task_la->name);
+ xbt_free(task_la->data);
+ MSG_task_destroy(task_la);
+ XBT_INFO("Communic. time %e", communication_time);
+ XBT_INFO("--- la %f ----", communication_time);
/* Get Bandwidth */
a = MSG_task_receive(&task_bw,MSG_host_get_name(MSG_host_self()));
- if (a == MSG_OK) {
- time1 = MSG_get_clock();
- sender_time = *((double *) (task_bw->data));
- time = sender_time;
- communication_time = time1 - time;
- XBT_INFO("Task received : %s", task_bw->name);
- xbt_free(task_bw->data);
- MSG_task_destroy(task_bw);
- XBT_INFO("Communic. time %le", communication_time);
- XBT_INFO("--- bw %f ----", task_comm_size_bw / communication_time);
- } else {
- xbt_die("Unexpected behavior");
- }
-
+ xbt_assert(a == MSG_OK, "Unexpected behavior");
+
+ time1 = MSG_get_clock();
+ sender_time = *((double *) (task_bw->data));
+ time = sender_time;
+ communication_time = time1 - time;
+ XBT_INFO("Task received : %s", task_bw->name);
+ xbt_free(task_bw->data);
+ MSG_task_destroy(task_bw);
+ XBT_INFO("Communic. time %e", communication_time);
+ XBT_INFO("--- bw %f ----", task_comm_size_bw / communication_time);
return 0;
-} /* end_of_receiver */
+}
-
-/** Test function */
-MSG_error_t test_all(const char *platform_file,
- const char *application_file)
+int main(int argc, char *argv[])
{
+ msg_error_t res = MSG_OK;
- MSG_error_t res = MSG_OK;
+ MSG_init(&argc, argv);
+ xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
+ "\tExample: %s msg_platform.xml msg_deployment.xml\n", argv[0], argv[0]);
+ MSG_create_environment(argv[1]);
- XBT_INFO("test_all");
-
- /* Simulation setting */
- MSG_create_environment(platform_file);
-
- /* Application deployment */
MSG_function_register("sender", sender);
MSG_function_register("receiver", receiver);
- MSG_launch_application(application_file);
+ MSG_launch_application(argv[2]);
res = MSG_main();
- return res;
-} /* end_of_test_all */
-
-
-/** Main function */
-int main(int argc, char *argv[])
-{
- MSG_error_t res = MSG_OK;
-
-#ifdef _MSC_VER
- unsigned int prev_exponent_format =
- _set_output_format(_TWO_DIGIT_EXPONENT);
-#endif
-
- MSG_global_init(&argc, argv);
-
-
- if (argc != 3) {
- XBT_CRITICAL("Usage: %s platform_file deployment_file <model>\n",
- argv[0]);
- XBT_CRITICAL
- ("example: %s msg_platform.xml msg_deployment.xml KCCFLN05_Vegas\n",
- argv[0]);
- exit(1);
- }
-
- /* Options for the workstation/model:
-
- KCCFLN05 => for maxmin
- KCCFLN05_proportional => for proportional (Vegas)
- KCCFLN05_Vegas => for TCP Vegas
- KCCFLN05_Reno => for TCP Reno
- */
- //MSG_config("workstation/model", argv[3]);
-
- res = test_all(argv[1], argv[2]);
-
- XBT_INFO("Total simulation time: %le", MSG_get_clock());
-
- MSG_clean();
-
-#ifdef _MSC_VER
- _set_output_format(prev_exponent_format);
-#endif
-
- if (res == MSG_OK)
- return 0;
- else
- return 1;
-} /* end_of_main */
+ XBT_INFO("Total simulation time: %e", MSG_get_clock());
+ return res!=MSG_OK;
+}
