SimGrid  3.18
Versatile Simulation of Distributed Systems
examples/s4u/platform-properties/s4u-platform-properties.cpp
/* Copyright (c) 2017. 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. */
// TODO: also test the properties attached to links
#include <simgrid/s4u.hpp>
#include <string>
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Property test");
static void test_host(std::string hostname)
{
std::map<std::string, std::string>* props = thehost->getProperties();
const char* noexist = "Unknown";
const char* exist = "Hdd";
const char* value;
XBT_INFO("== Print the properties of the host '%s'", hostname.c_str());
for (const auto& kv : *props)
XBT_INFO(" Host property: '%s' -> '%s'", kv.first.c_str(), kv.second.c_str());
XBT_INFO("== Try to get a host property that does not exist");
value = thehost->getProperty(noexist);
xbt_assert(not value, "The key exists (it's not supposed to)");
XBT_INFO("== Try to get a host property that does exist");
value = thehost->getProperty(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");
thehost->setProperty(exist, "250");
/* Test if we have changed the value */
value = thehost->getProperty(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 */
thehost->setProperty(exist, "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 */
simgrid::s4u::this_actor::sleep_for(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 */
simgrid::s4u::this_actor::sleep_for(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 zone");
XBT_INFO(" Zone property: filename -> %s", root->getProperty("filename"));
XBT_INFO(" Zone property: date -> %s", root->getProperty("date"));
XBT_INFO(" Zone property: author -> %s", root->getProperty("author"));
/* Get the property list of current bob process */
std::map<std::string, std::string>* props = simgrid::s4u::Actor::self()->getProperties();
const char* noexist = "UnknownProcessProp";
XBT_ATTRIB_UNUSED const char* value;
XBT_INFO("== Print the properties of the actor");
for (const auto& kv : *props)
XBT_INFO(" Actor property: %s -> %s", kv.first.c_str(), kv.second.c_str());
XBT_INFO("== Try to get an actor property that does not exist");
value = simgrid::s4u::Actor::self()->getProperty(noexist);
xbt_assert(not value, "The property is defined (it shouldnt)");
return 0;
}
int main(int argc, char* argv[])
{
simgrid::s4u::Engine e(&argc, argv);
e.loadPlatform(argv[1]);
e.registerFunction("alice", alice);
e.registerFunction("bob", bob);
e.registerFunction("carole", carole);
e.registerFunction("david", david);
size_t totalHosts = sg_host_count();
XBT_INFO("There are %zu hosts in the environment", totalHosts);
for (unsigned int i = 0; i < totalHosts; i++)
XBT_INFO("Host '%s' runs at %.0f flops/s", hosts[i]->getCname(), hosts[i]->getSpeed());
xbt_free(hosts);
e.loadDeployment(argv[2]);
e.run();
return 0;
}