--- /dev/null
+/* 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 "simgrid/msg.h"
+
+/** @addtogroup MSG_examples
+ *
+ * - <b>User-defined properties: properties/properties.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");
+
+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;
+}
+
+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;
+}
+
+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;
+}
+
+static int bob(int argc, char *argv[])
+{
+ /* 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);
+
+ 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;
+}
+
+int main(int argc, char *argv[])
+{
+ unsigned int i;
+ msg_host_t host;
+
+ 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]);
+
+ MSG_function_register("alice", alice);
+ MSG_function_register("bob", bob);
+ MSG_function_register("carole", carole);
+ MSG_function_register("david", david);
+
+ MSG_create_environment(argv[1]);
+
+ XBT_INFO("There are %d hosts in the environment", MSG_get_host_number());
+
+ xbt_dynar_t 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_host_get_speed(host));
+ }
+ xbt_dynar_free(&hosts);
+
+ MSG_launch_application(argv[2]);
+
+ msg_error_t res = MSG_main();
+
+ return res!=MSG_OK;
+}
