-/* $Id$ */
-
-/* Copyright (c) 2007. SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2013. 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 */
+#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 <stdio.h>
#include <stdlib.h>
-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);
-
-/** Emitter function */
-int master(int argc, char *argv[])
+/** @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(test, "Property test");
+
+int alice(int argc, char *argv[]);
+int bob(int argc, char *argv[]);
+int carole(int argc, char *argv[]);
+msg_error_t test_all(const char *platform_file,
+ const char *application_file);
+
+static void test_host(const char*hostname)
{
- int slaves_count = 0;
- m_host_t *slaves = NULL;
- xbt_dict_t props;
- xbt_dict_cursor_t cursor=NULL;
- int i;
- char *key,*data;
- const char *noexist="Unknown";
- const char*value;
- char exist[]="Hdd";
-
- { /* Process organisation */
- slaves_count = argc - 4;
- slaves = xbt_new(m_host_t, sizeof(m_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! ", argv[i]);
-
- /* Get the property list of the host */
- props = MSG_host_get_properties(slaves[i-4]);
-
-
-
- /* 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 */
-
- 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",(char*) noexist, argv[i], value);
-
- /* Modify an existing property test. First check it exists */\
- INFO0("Trying to modify a host property");
-
- value = MSG_host_get_property_value(slaves[i-4],exist);
- xbt_assert1(value,"\tProperty %s is undefined", exist);
- INFO2("\tProperty: %s old value: %s", exist, value);
- xbt_dict_set(props, exist, xbt_strdup("250"), free);
-
- /* Test if we have changed the value */
- value = MSG_host_get_property_value(slaves[i-4],exist);
- xbt_assert1(value,"\tProperty %s is undefined", exist);
- INFO2("\tProperty: %s new value: %s", exist, value);
- }
- }
-
- free(slaves);
+ msg_host_t thehost = MSG_get_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");
+ 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"), NULL);
+
+ /* 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"), NULL);
+}
+
+int alice(int argc, char *argv[]) { /* Dump what we have on the current host */
+ test_host("host1");
return 0;
-} /* end_of_master */
+}
+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;
+}
-/** Receiver function */
-int slave(int argc, char *argv[])
+int bob(int argc, char *argv[])
{
- /* Get the property list of current slave process */
+ /* 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";
- const char *value;
+ xbt_dict_cursor_t cursor = NULL;
+ char *key, *data;
+ const char *noexist = "UnknownProcessProp";
+ _XBT_GNUC_UNUSED const char *value;
- /* 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);
- }
+ XBT_INFO("== Print the properties of the process");
+ xbt_dict_foreach(props, cursor, key, data)
+ XBT_INFO(" Process property: %s -> %s", key, data);
- /* Try to get a property that does not exist */
-
- 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);
+ XBT_INFO("== Try to get a process property that does not exist");
+
+ value = MSG_process_get_property_value(MSG_process_self(), noexist);
+ xbt_assert(!value, "The property is defined (it shouldnt)");
return 0;
-} /* end_of_slave */
+}
/** Test function */
-MSG_error_t test_all(const char *platform_file,
- const char *application_file)
+msg_error_t test_all(const char *platform_file,
+ const char *application_file)
{
- MSG_error_t res = MSG_OK;
+ int host_number;
+ unsigned int i;
+ xbt_dynar_t hosts;
+ msg_host_t host;
+ msg_error_t ret;
- /* 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_launch_application(application_file);
+ MSG_function_register("alice", alice);
+ MSG_function_register("bob", bob);
+ MSG_function_register("carole", carole);
+
+ MSG_create_environment(platform_file);
+
+ host_number = MSG_get_host_number();
+ XBT_INFO("There are %d hosts in the environment", host_number);
+
+ hosts = MSG_hosts_as_dynar();
+
+ 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));
}
- res = MSG_main();
-
- INFO1("Simulation time %g",MSG_get_clock());
- return res;
-} /* end_of_test_all */
+
+ MSG_launch_application(application_file);
+
+ ret = MSG_main();
+
+ xbt_dynar_free(&hosts);
+
+ return ret;
+} /* end_of_test_all */
/** 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);
+ 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]);
- MSG_clean();
+ res = test_all(argv[1], argv[2]);
- if(res==MSG_OK)
+ if (res == MSG_OK)
return 0;
else
return 1;
-} /* end_of_main */
+} /* end_of_main */