-/* 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 "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */
+#include "simgrid/msg.h" /* Yeah! If you want to use msg, you need to include simgrid/msg.h */
#include "xbt/sysdep.h" /* calloc, printf */
/* Create a log channel to have nice outputs. */
XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
"Messages specific for this msg example");
+/** @addtogroup MSG_examples
+ *
+ * - <b>masterslave/masterslave_forwarder.c: Master/slaves
+ * example</b>. This good old example is also very simple. Its basic
+ * version is fully commented on this page: \ref MSG_ex_master_slave,
+ * but several variants can be found in the same directory.
+ */
+
+
int master(int argc, char *argv[]);
int slave(int argc, char *argv[]);
int forwarder(int argc, char *argv[]);
-MSG_error_t test_all(const char *platform_file,
+msg_error_t test_all(const char *platform_file,
const char *application_file);
-typedef enum {
- PORT_22 = 0,
- MAX_CHANNEL
-} channel_t;
-
#define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
/** Emitter function */
int master(int argc, char *argv[])
{
int slaves_count = 0;
- m_host_t *slaves = NULL;
- m_task_t *todo = NULL;
+ msg_host_t *slaves = NULL;
+ msg_task_t *todo = NULL;
int number_of_tasks = 0;
double task_comp_size = 0;
double task_comm_size = 0;
int i;
- int res = sscanf(argv[1], "%d", &number_of_tasks);
- xbt_assert1(res,"Invalid argument %s\n", argv[1]);
+ XBT_ATTRIB_UNUSED int res = sscanf(argv[1], "%d", &number_of_tasks);
+ xbt_assert(res,"Invalid argument %s\n", argv[1]);
res = sscanf(argv[2], "%lg", &task_comp_size);
- xbt_assert1(res, "Invalid argument %s\n", argv[2]);
+ xbt_assert(res, "Invalid argument %s\n", argv[2]);
res = sscanf(argv[3], "%lg", &task_comm_size);
- xbt_assert1(res, "Invalid argument %s\n", argv[3]);
+ xbt_assert(res, "Invalid argument %s\n", argv[3]);
{ /* Task creation */
char sprintf_buffer[64];
- todo = xbt_new0(m_task_t, number_of_tasks);
+ todo = xbt_new0(msg_task_t, number_of_tasks);
for (i = 0; i < number_of_tasks; i++) {
sprintf(sprintf_buffer, "Task_%d", i);
}
}
- { /* Process organisation */
+ { /* Process organization */
slaves_count = argc - 4;
- slaves = xbt_new0(m_host_t, slaves_count);
+ slaves = xbt_new0(msg_host_t, slaves_count);
for (i = 4; i < argc; i++) {
- slaves[i - 4] = MSG_get_host_by_name(argv[i]);
- xbt_assert1(slaves[i - 4] != NULL, "Unknown host %s. Stopping Now! ",
+ slaves[i - 4] = MSG_host_by_name(argv[i]);
+ xbt_assert(slaves[i - 4] != NULL, "Unknown host %s. Stopping Now! ",
argv[i]);
}
}
XBT_INFO("Got %d slaves and %d tasks to process", slaves_count,
number_of_tasks);
for (i = 0; i < slaves_count; i++)
- XBT_DEBUG("%s", slaves[i]->name);
+ XBT_DEBUG("%s", MSG_host_get_name(slaves[i]));
for (i = 0; i < number_of_tasks; i++) {
XBT_INFO("Sending \"%s\" to \"%s\"",
- todo[i]->name, slaves[i % slaves_count]->name);
+ todo[i]->name, MSG_host_get_name(slaves[i % slaves_count]));
if (MSG_host_self() == slaves[i % slaves_count]) {
XBT_INFO("Hey ! It's me ! :)");
}
- MSG_task_put(todo[i], slaves[i % slaves_count], PORT_22);
+ MSG_task_send(todo[i], MSG_host_get_name(slaves[i % slaves_count]));
XBT_INFO("Sent");
}
XBT_INFO
("All tasks have been dispatched. Let's tell everybody the computation is over.");
for (i = 0; i < slaves_count; i++) {
- m_task_t finalize = MSG_task_create("finalize", 0, 0, FINALIZE);
- MSG_task_put(finalize, slaves[i], PORT_22);
+ msg_task_t finalize = MSG_task_create("finalize", 0, 0, FINALIZE);
+ MSG_task_send(finalize, MSG_host_get_name(slaves[i]));
}
XBT_INFO("Goodbye now!");
/** Receiver function */
int slave(int argc, char *argv[])
{
- m_task_t task = NULL;
- int res;
+ msg_task_t task = NULL;
+ XBT_ATTRIB_UNUSED int res;
while (1) {
- res = MSG_task_get(&(task), PORT_22);
- xbt_assert0(res == MSG_OK, "MSG_task_get failed");
+ res = MSG_task_receive(&(task),MSG_host_get_name(MSG_host_self()));
+ xbt_assert(res == MSG_OK, "MSG_task_get failed");
XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
if (!strcmp(MSG_task_get_name(task), "finalize")) {
{
int i;
int slaves_count;
- m_host_t *slaves;
+ msg_host_t *slaves;
- { /* Process organisation */
+ { /* Process organization */
slaves_count = argc - 1;
- slaves = xbt_new0(m_host_t, slaves_count);
+ slaves = xbt_new0(msg_host_t, slaves_count);
for (i = 1; i < argc; i++) {
- slaves[i - 1] = MSG_get_host_by_name(argv[i]);
+ slaves[i - 1] = MSG_host_by_name(argv[i]);
if (slaves[i - 1] == NULL) {
XBT_INFO("Unknown host %s. Stopping Now! ", argv[i]);
abort();
i = 0;
while (1) {
- m_task_t task = NULL;
+ msg_task_t task = NULL;
int a;
- a = MSG_task_get(&(task), PORT_22);
+ a = MSG_task_receive(&(task),MSG_host_get_name(MSG_host_self()));
if (a == MSG_OK) {
XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
if (MSG_task_get_data(task) == FINALIZE) {
XBT_INFO
("All tasks have been dispatched. Let's tell everybody the computation is over.");
for (i = 0; i < slaves_count; i++)
- MSG_task_put(MSG_task_create("finalize", 0, 0, FINALIZE),
- slaves[i], PORT_22);
+ MSG_task_send(MSG_task_create("finalize", 0, 0, FINALIZE),
+ MSG_host_get_name(slaves[i]));
MSG_task_destroy(task);
break;
}
XBT_INFO("Sending \"%s\" to \"%s\"",
- MSG_task_get_name(task), slaves[i % slaves_count]->name);
- MSG_task_put(task, slaves[i % slaves_count], PORT_22);
+ MSG_task_get_name(task), MSG_host_get_name(slaves[i % slaves_count]));
+ MSG_task_send(task, MSG_host_get_name(slaves[i % slaves_count]));
i++;
} else {
XBT_INFO("Hey ?! What's up ? ");
- xbt_assert0(0, "Unexpected behavior");
+ xbt_die("Unexpected behavior");
}
}
xbt_free(slaves);
} /* end_of_forwarder */
/** Test function */
-MSG_error_t test_all(const char *platform_file,
+msg_error_t test_all(const char *platform_file,
const char *application_file)
{
- MSG_error_t res = MSG_OK;
+ msg_error_t res = MSG_OK;
- /* MSG_config("workstation/model","KCCFLN05"); */
{ /* Simulation setting */
- MSG_set_channel_number(MAX_CHANNEL);
MSG_create_environment(platform_file);
}
{ /* Application deployment */
/** Main function */
int main(int argc, char *argv[])
{
- MSG_error_t res = MSG_OK;
+ msg_error_t res = MSG_OK;
- MSG_global_init(&argc, argv);
- if (argc < 3) {
- printf("Usage: %s platform_file deployment_file\n", argv[0]);
- printf("example: %s msg_platform.xml msg_deployment.xml\n", argv[0]);
- exit(1);
- }
+ 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]);
+
res = test_all(argv[1], argv[2]);
- MSG_clean();
- if (res == MSG_OK)
- return 0;
- else
- return 1;
-} /* end_of_main */
+ return res != MSG_OK;
+}
