-/* $Id$ */
-
-/* Copyright (c) 2002,2003,2004 Arnaud Legrand. All rights reserved. */
+/* Copyright (c) 2007, 2008, 2009, 2010. 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 "xbt/sysdep.h" /* calloc, printf */
+#include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */
+#include "xbt/sysdep.h" /* calloc, printf */
/* 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");
+
+/** @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, const char *application_file);
-
-typedef enum {
- PORT_22 = 0,
- MAX_CHANNEL
-} channel_t;
+MSG_error_t test_all(const char *platform_file,
+ const char *application_file);
-#define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
+#define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
/** Emitter function */
int master(int argc, char *argv[])
double task_comp_size = 0;
double task_comm_size = 0;
-
int i;
- xbt_assert1(sscanf(argv[1],"%d", &number_of_tasks),
- "Invalid argument %s\n",argv[1]);
- xbt_assert1(sscanf(argv[2],"%lg", &task_comp_size),
- "Invalid argument %s\n",argv[2]);
- xbt_assert1(sscanf(argv[3],"%lg", &task_comm_size),
- "Invalid argument %s\n",argv[3]);
+ _XBT_GNUC_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_assert(res, "Invalid argument %s\n", argv[2]);
+ res = sscanf(argv[3], "%lg", &task_comm_size);
+ xbt_assert(res, "Invalid argument %s\n", argv[3]);
- { /* Task creation */
+ { /* Task creation */
char sprintf_buffer[64];
- todo = calloc(number_of_tasks, sizeof(m_task_t));
+ todo = xbt_new0(m_task_t, number_of_tasks);
for (i = 0; i < number_of_tasks; i++) {
sprintf(sprintf_buffer, "Task_%d", i);
- todo[i] = MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size, NULL);
+ todo[i] =
+ MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size,
+ NULL);
}
}
- { /* Process organisation */
+ { /* Process organisation */
slaves_count = argc - 4;
- slaves = calloc(slaves_count, sizeof(m_host_t));
-
+ slaves = xbt_new0(m_host_t, slaves_count);
+
for (i = 4; i < argc; i++) {
- slaves[i-4] = MSG_get_host_by_name(argv[i]);
- if(slaves[i-4]==NULL) {
- INFO1("Unknown host %s. Stopping Now! ", argv[i]);
- abort();
- }
+ slaves[i - 4] = MSG_get_host_by_name(argv[i]);
+ xbt_assert(slaves[i - 4] != NULL, "Unknown host %s. Stopping Now! ",
+ argv[i]);
}
}
- INFO1("Got %d slave(s) :", slaves_count);
+ XBT_INFO("Got %d slaves and %d tasks to process", slaves_count,
+ number_of_tasks);
for (i = 0; i < slaves_count; i++)
- INFO1("%s", slaves[i]->name);
-
- INFO1("Got %d task to process :", number_of_tasks);
-
- for (i = 0; i < number_of_tasks; i++)
- INFO1("\"%s\"", todo[i]->name);
+ XBT_DEBUG("%s", MSG_host_get_name(slaves[i]));
for (i = 0; i < number_of_tasks; i++) {
- INFO2("Sending \"%s\" to \"%s\"",
- todo[i]->name,
- slaves[i % slaves_count]->name);
- if(MSG_host_self()==slaves[i % slaves_count]) {
- INFO0("Hey ! It's me ! :)");
+ XBT_INFO("Sending \"%s\" to \"%s\"",
+ 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);
- INFO0("Send completed");
+ MSG_task_send(todo[i], MSG_host_get_name(slaves[i % slaves_count]));
+ XBT_INFO("Sent");
}
-
- INFO0("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);
-
- INFO0("Goodbye now!");
+
+ 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_send(finalize, MSG_host_get_name(slaves[i]));
+ }
+
+ XBT_INFO("Goodbye now!");
free(slaves);
free(todo);
return 0;
-} /* end_of_master */
+} /* end_of_master */
/** Receiver function */
int slave(int argc, char *argv[])
{
- while(1) {
- m_task_t task = NULL;
- int a;
- a = MSG_task_get(&(task), PORT_22);
- if (a == MSG_OK) {
- INFO1("Received \"%s\"", MSG_task_get_name(task));
- if(MSG_task_get_data(task)==FINALIZE) {
- MSG_task_destroy(task);
- break;
- }
- INFO1("Processing \"%s\"", MSG_task_get_name(task));
- MSG_task_execute(task);
- INFO1("\"%s\" done", MSG_task_get_name(task));
+ m_task_t task = NULL;
+ _XBT_GNUC_UNUSED int res;
+ while (1) {
+ 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")) {
MSG_task_destroy(task);
- } else {
- INFO0("Hey ?! What's up ? ");
- xbt_assert0(0,"Unexpected behavior");
+ break;
}
+
+ XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
+ MSG_task_execute(task);
+ XBT_INFO("\"%s\" done", MSG_task_get_name(task));
+ MSG_task_destroy(task);
+ task = NULL;
}
- INFO0("I'm done. See you!");
+ XBT_INFO("I'm done. See you!");
return 0;
-} /* end_of_slave */
+} /* end_of_slave */
/** Forwarder function */
int forwarder(int argc, char *argv[])
int slaves_count;
m_host_t *slaves;
- { /* Process organisation */
+ { /* Process organisation */
slaves_count = argc - 1;
- slaves = calloc(slaves_count, sizeof(m_host_t));
-
+ slaves = xbt_new0(m_host_t, slaves_count);
+
for (i = 1; i < argc; i++) {
- slaves[i-1] = MSG_get_host_by_name(argv[i]);
- if(slaves[i-1]==NULL) {
- INFO1("Unknown host %s. Stopping Now! ", argv[i]);
- abort();
+ slaves[i - 1] = MSG_get_host_by_name(argv[i]);
+ if (slaves[i - 1] == NULL) {
+ XBT_INFO("Unknown host %s. Stopping Now! ", argv[i]);
+ abort();
}
}
}
- i=0;
- while(1) {
+ i = 0;
+ while (1) {
m_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) {
- INFO1("Received \"%s\"", MSG_task_get_name(task));
- if(MSG_task_get_data(task)==FINALIZE) {
- INFO0("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_destroy(task);
- break;
+ 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_send(MSG_task_create("finalize", 0, 0, FINALIZE),
+ MSG_host_get_name(slaves[i]));
+ MSG_task_destroy(task);
+ break;
}
- INFO2("Sending \"%s\" to \"%s\"",
- MSG_task_get_name(task),
- slaves[i% slaves_count]->name);
- MSG_task_put(task, slaves[i % slaves_count],
- PORT_22);
+ XBT_INFO("Sending \"%s\" to \"%s\"",
+ 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 {
- INFO0("Hey ?! What's up ? ");
- xbt_assert0(0,"Unexpected behavior");
+ XBT_INFO("Hey ?! What's up ? ");
+ xbt_die("Unexpected behavior");
}
}
+ xbt_free(slaves);
- INFO0("I'm done. See you!");
+ XBT_INFO("I'm done. See you!");
return 0;
-} /* end_of_forwarder */
+} /* end_of_forwarder */
/** Test function */
MSG_error_t test_all(const char *platform_file,
- const char *application_file)
+ const char *application_file)
{
MSG_error_t res = MSG_OK;
- /* MSG_config("surf_workstation_model","KCCFLN05"); */
- { /* Simulation setting */
- MSG_set_channel_number(MAX_CHANNEL);
- MSG_paje_output("msg_test.trace");
+ /* MSG_config("workstation/model","KCCFLN05"); */
+ { /* Simulation setting */
MSG_create_environment(platform_file);
}
- { /* Application deployment */
+ { /* Application deployment */
MSG_function_register("master", master);
MSG_function_register("slave", slave);
MSG_function_register("forwarder", forwarder);
MSG_launch_application(application_file);
}
res = MSG_main();
-
- INFO1("Simulation time %g",MSG_get_clock());
+
+ XBT_INFO("Simulation time %g", MSG_get_clock());
return res;
-} /* end_of_test_all */
+} /* end_of_test_all */
/** Main function */
{
MSG_error_t res = MSG_OK;
- MSG_global_init(&argc,argv);
+ MSG_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);
+ printf("Usage: %s platform_file deployment_file\n", argv[0]);
+ printf("example: %s msg_platform.xml msg_deployment.xml\n", argv[0]);
+ exit(1);
}
- res = test_all(argv[1],argv[2]);
+ res = test_all(argv[1], argv[2]);
MSG_clean();
- if(res==MSG_OK)
+ if (res == MSG_OK)
return 0;
else
return 1;
-} /* end_of_main */
+} /* end_of_main */
