+/* $Id: msg_test.c,v 1.24 2007/03/16 13:18:24 cherierm Exp $ */
+
+/* Copyright (c) 2002,2003,2004 Arnaud Legrand. 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 "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"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,"Messages specific for this msg example");
+
+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;
+
+#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;
+ int number_of_tasks = 0;
+ 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]);
+
+ { /* Task creation */
+ char sprintf_buffer[64];
+
+ todo = calloc(number_of_tasks, sizeof(m_task_t));
+
+ 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);
+ }
+ }
+
+ { /* Process organisation */
+ slaves_count = argc - 4;
+ slaves = calloc(slaves_count, sizeof(m_host_t));
+ xbt_dict_t props;
+ for (i = 4; i < argc; i++) {
+ slaves[i-4] = MSG_get_host_by_name(argv[i]);
+ /* Get the property list of the host */
+ props = MSG_host_get_properties(slaves[i-4]);
+ xbt_dict_cursor_t cursor=NULL;
+ char *key,*data;
+
+ /* Print the properties of the host */
+ xbt_dict_foreach(props,cursor,key,data) {
+ INFO3("Property: %s for host: %s has value: %s",key,argv[i],data);
+ }
+
+ /* Try to get a property that does not exist */
+ char *noexist=xbt_strdup("Unknown");
+ const char *value = MSG_host_get_property_value(slaves[i-4],noexist);
+ if ( value == NULL)
+ INFO2("Property: %s for host %s is undefined", noexist, argv[i]);
+ else
+ INFO3("Property: %s for host %s has value: %s", noexist, argv[i], value);
+
+ if(slaves[i-4]==NULL) {
+ INFO1("Unknown host %s. Stopping Now! ", argv[i]);
+ abort();
+ }
+ }
+ }
+
+ for (i = 0; i < number_of_tasks; i++) {
+ if(MSG_host_self()==slaves[i % slaves_count]) {
+ }
+
+ MSG_task_put(todo[i], slaves[i % slaves_count],
+ PORT_22);
+ }
+
+ for (i = 0; i < slaves_count; i++)
+ MSG_task_put(MSG_task_create("finalize", 0, 0, FINALIZE),
+ slaves[i], PORT_22);
+
+ free(slaves);
+ free(todo);
+ return 0;
+} /* 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;
+ }
+
+ /* Get the property list of current slave process */
+ xbt_dict_t props = MSG_process_get_properties(MSG_process_self());
+ xbt_dict_cursor_t cursor=NULL;
+ char *key,*data;
+
+ /* Print the properties of the process */
+ xbt_dict_foreach(props,cursor,key,data) {
+ INFO3("Property: %s for process %s has value: %s",key,MSG_process_get_name(MSG_process_self()),data);
+ }
+
+ /* Try to get a property that does not exist */
+ char *noexist=xbt_strdup("UnknownProcessProp");
+ const char *value = MSG_process_get_property_value(MSG_process_self(),noexist);
+ if ( value == NULL)
+ INFO2("Property: %s for process %s is undefined", noexist, MSG_process_get_name(MSG_process_self()));
+ else
+ INFO3("Property: %s for process %s has value: %s", noexist, MSG_process_get_name(MSG_process_self()), value);
+
+ MSG_task_execute(task);
+ MSG_task_destroy(task);
+ } else {
+ INFO0("Hey ?! What's up ? ");
+ xbt_assert0(0,"Unexpected behavior");
+ }
+ }
+ return 0;
+} /* end_of_slave */
+
+/** Forwarder function */
+int forwarder(int argc, char *argv[])
+{
+ int i;
+ int slaves_count;
+ m_host_t *slaves;
+
+ { /* Process organisation */
+ slaves_count = argc - 1;
+ slaves = calloc(slaves_count, sizeof(m_host_t));
+
+ 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();
+ }
+ }
+ }
+
+ i=0;
+ 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) {
+ 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;
+ }
+ MSG_task_put(task, slaves[i % slaves_count],
+ PORT_22);
+ i++;
+ } else {
+ INFO0("Hey ?! What's up ? ");
+ xbt_assert0(0,"Unexpected behavior");
+ }
+ }
+ return 0;
+} /* end_of_forwarder */
+
+/** Test function */
+MSG_error_t test_all(const char *platform_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_create_environment(platform_file);
+ }
+ { /* 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());
+ return res;
+} /* end_of_test_all */
+
+
+/** Main function */
+int main(int argc, char *argv[])
+{
+ 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);
+ }
+ res = test_all(argv[1],argv[2]);
+ MSG_clean();
+
+ if(res==MSG_OK)
+ return 0;
+ else
+ return 1;
+} /* end_of_main */
