SimGrid  3.16
Versatile Simulation of Distributed Systems
examples/msg/platform-properties/platform-properties.c
/* Copyright (c) 2007-2016. 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"
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_cursor_t cursor = NULL;
char *key;
char *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"));
/* 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"));
}
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[])
{
/* this host also tests the properties of the AS*/
XBT_INFO("== Print the properties of the AS");
XBT_INFO(" Process property: filename -> %s", MSG_zone_get_property_value(root, "filename"));
XBT_INFO(" Process property: date -> %s", MSG_zone_get_property_value(root, "date"));
XBT_INFO(" Process property: author -> %s", MSG_zone_get_property_value(root, "author"));
/* Get the property list of current bob process */
xbt_dict_cursor_t cursor = NULL;
char *key;
char *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");
xbt_assert(!value, "The property is defined (it shouldnt)");
return 0;
}
int main(int argc, char *argv[])
{
unsigned int i;
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);
XBT_INFO("There are %d hosts in the environment", MSG_get_host_number());
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);
return res!=MSG_OK;
}