-/* $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. */
+/* 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 "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 "simgrid/msg.h"
-#include <stdio.h>
-#include <stdlib.h>
+/** @addtogroup MSG_examples
+ *
+ * - <b>properties/msg_prop.c</b> Attaching arbitrary informations to host, processes and such, and retrieving them
+ * with @ref MSG_host_get_properties, @ref MSG_host_get_property_value, @ref MSG_process_get_properties and
+ * @ref MSG_process_get_property_value. Also make sure to read the platform and deployment XML files to see how to
+ * declare these data.
+ */
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,"Messages specific for this msg example");
+XBT_LOG_NEW_DEFAULT_CATEGORY(test, "Property test");
-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);
+static void test_host(const char*hostname)
+{
+ msg_host_t thehost = MSG_host_by_name(hostname);
+ xbt_dict_t props = MSG_host_get_properties(thehost);
+ xbt_dict_cursor_t cursor = NULL;
+ char *key, *data;
+ const char *noexist = "Unknown";
+ const char *value;
+ char exist[] = "Hdd";
+
+ XBT_INFO("== Print the properties of the host '%s'", hostname);
+ xbt_dict_foreach(props, cursor, key, data)
+ XBT_INFO(" Host property: '%s' -> '%s'", key, data);
+
+ XBT_INFO("== Try to get a host property that does not exist");
+ value = MSG_host_get_property_value(thehost, noexist);
+ xbt_assert(!value, "The key exists (it's not supposed to)");
+
+ XBT_INFO("== Try to get a host property that does exist");
+ value = MSG_host_get_property_value(thehost, exist);
+ xbt_assert(value, "\tProperty %s is undefined (where it should)", exist);
+ xbt_assert(!strcmp(value, "180"), "\tValue of property %s is defined to %s (where it should be 180)", exist, value);
+ XBT_INFO(" Property: %s old value: %s", exist, value);
+
+ XBT_INFO("== Trying to modify a host property");
+ MSG_host_set_property_value(thehost, exist, xbt_strdup("250"), xbt_free_f);
+
+ /* Test if we have changed the value */
+ value = MSG_host_get_property_value(thehost, exist);
+ xbt_assert(value, "Property %s is undefined (where it should)", exist);
+ xbt_assert(!strcmp(value, "250"), "Value of property %s is defined to %s (where it should be 250)", exist, value);
+ XBT_INFO(" Property: %s old value: %s", exist, value);
+
+ /* Restore the value for the next test */
+ MSG_host_set_property_value(thehost, exist, xbt_strdup("180"), xbt_free_f);
+}
+
+static int alice(int argc, char *argv[]) { /* Dump what we have on the current host */
+ test_host("host1");
+ return 0;
+}
-typedef enum {
- PORT_22 = 0,
- MAX_CHANNEL
-} channel_t;
+static int carole(int argc, char *argv[]) {/* Dump what we have on a remote host */
+ MSG_process_sleep(1); // Wait for alice to be done with its experiment
+ test_host("host1");
+ return 0;
+}
-#define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
+static int david(int argc, char *argv[]) {/* Dump what we have on a remote host */
+ MSG_process_sleep(2); // Wait for alice and carole to be done with its experiment
+ test_host("node-0.acme.org");
+ return 0;
+}
-/** Emitter function */
-int master(int argc, char *argv[])
+static int bob(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;
+ /* Get the property list of current bob process */
+ xbt_dict_t props = MSG_process_get_properties(MSG_process_self());
+ xbt_dict_cursor_t cursor = NULL;
+ char *key, *data;
+ const char *noexist = "UnknownProcessProp";
+ XBT_ATTRIB_UNUSED const char *value;
+ XBT_INFO("== Print the properties of the process");
+ xbt_dict_foreach(props, cursor, key, data)
+ XBT_INFO(" Process property: %s -> %s", key, data);
- int i;
+ XBT_INFO("== Try to get a process property that does not exist");
- 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]);
+ value = MSG_process_get_property_value(MSG_process_self(), noexist);
+ xbt_assert(!value, "The property is defined (it shouldnt)");
- { /* Task creation */
- char sprintf_buffer[64];
+ return 0;
+}
- todo = calloc(number_of_tasks, sizeof(m_task_t));
+int main(int argc, char *argv[])
+{
+ msg_error_t res = MSG_OK;
+ unsigned int i;
+ xbt_dynar_t hosts;
+ msg_host_t host;
- 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);
- }
- }
+ 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]);
- { /* 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();
- }
- }
- }
+ MSG_function_register("alice", alice);
+ MSG_function_register("bob", bob);
+ MSG_function_register("carole", carole);
+ MSG_function_register("david", david);
- for (i = 0; i < number_of_tasks; i++) {
- if(MSG_host_self()==slaves[i % slaves_count]) {
- }
+ MSG_create_environment(argv[1]);
- 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 */
+ XBT_INFO("There are %d hosts in the environment", MSG_get_host_number());
-/** 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 */
+ hosts = MSG_hosts_as_dynar();
-/** 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();
- }
- }
+ xbt_dynar_foreach(hosts, i, host){
+ XBT_INFO("Host '%s' runs at %.0f flops/s",MSG_host_get_name(host), MSG_get_host_speed(host));
}
- 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_launch_application(argv[2]);
- /* 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;
+ xbt_dynar_free(&hosts);
- 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 */
+ return res!=MSG_OK;
+}
