//
// RouteTest.cpp
//
// $Id: //poco/1.4/Net/testsuite/src/RouteTest.cpp#2 $
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// DEALINGS IN THE SOFTWARE.
//


#include "RouteTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/Net/IPAddress.h"
#include "Poco/Net/Route.h"
#include "Poco/Net/NetException.h"
#include <iostream>
#include <iomanip>


using Poco::Net::IPAddress;
using Poco::Net::Route;
using Poco::Net::InvalidAddressException;


RouteTest::RouteTest(const std::string& name): CppUnit::TestCase(name)
{
}


RouteTest::~RouteTest()
{
}

//
// we should have on most systems at least 3 routes: one for the local subnet,
// one for the loopback subnet, and a default route.
//
// we should have at least one default route (possibly more on a multi-homed
// system).
//
// we should have at least 2 multicast all-hosts routes: one for the local subnet,
// and one for the loopback subnet.
//
// if we wish to do more sanity checking than this, we'd need to correlate it
// with results we get back from NetworkInterface::list().
//


void RouteTest::testDefaultRoute()
{
	Route::RouteList defaults = Route::defaults(IPAddress::IPv4);
	assert(defaults.size() >= 1);
}


void RouteTest::testAllHostsRoutes()
{
	IPAddress target("224.0.0.1");
	Route::RouteList targets = Route::match(target);
	assert(targets.size() >= 2);
}


void RouteTest::testLoopbackRoute()
{
	IPAddress target("127.0.0.1");
	Route::RouteList targets = Route::match(target);
	assert(targets.size() >= 1);
}


void RouteTest::setUp()
{
}


void RouteTest::tearDown()
{
}


void RouteTest::testAllRoutes()
{
	std::string metric = "Metric";
#if defined(POCO_OS_FAMILY_BSD)
	metric = "Expire";
#endif
	Route::RouteList routes = Route::list(IPAddress::IPv4);
	assert(routes.size() >= 3);
	
	std::cout << std::endl << "Active IPv4 Routes:" << std::endl;
	std::cout << "=============================================================================" << std::endl;
	std::cout << std::setw(17) << "Destinaton"
	<< std::setw(17) << "Netmask"
	<< std::setw(17) << "Gateway"
	<< std::setw(17) << "Interface"
	<< std::setw(8) << metric << std::endl;
	
	Route::RouteList::const_iterator it = routes.begin();
	Route::RouteList::const_iterator end = routes.end();
	for (; it != end; ++it)
	{
		IPAddress ip = it->getNetworkInterface().firstAddress(IPAddress::IPv4);
		if (!ip.isLinkLocal())
		{
			std::string gateway = it->getNextHop().isWildcard() ? "On-link" : it->getNextHop().toString();
			std::cout << std::setw(17) << it->getDest().toString()
			<< std::setw(17) << it->getNetmask().toString()
			<< std::setw(17) << gateway
#if defined(POCO_OS_FAMILY_BSD)
			<< std::setw(17) << it->getNetworkInterface().name();
#else
			<< std::setw(17) << ip.toString();
#endif
			if (it->getMetric() != Route::ROUTE_METRIC_UNKNOWN)
				std::cout << std::setw(8) << it->getMetric();
			std::cout << std::endl;
		}
	}
	std::cout << "=============================================================================" << std::endl;
	
	routes = Route::list(IPAddress::IPv6);
	assert(routes.size() >= 3);
	
	std::cout << std::endl << "Active IPv6 Routes:" << std::endl;
	std::cout << "=============================================================" << std::endl;
	std::cout << std::setw(4) << "If"
	<< std::setw(7) << metric
	<< std::setw(41) << "Destinaton"
	<< std::setw(41) << "Gateway"
	<< std::endl;
	
	it = routes.begin();
	for (; it != end; ++it)
	{
		IPAddress ip = it->getNetworkInterface().firstAddress(IPAddress::IPv6);
		if (!ip.isLinkLocal())
		{
			std::string gateway = it->getNextHop().isWildcard() ? "On-link" : it->getNextHop().toString();
#if defined(POCO_OS_FAMILY_BSD)
			std::cout << std::setw(4) << it->getNetworkInterface().name();
#else
			std::cout << std::setw(4) << it->getIfIndex();
#endif
			if (it->getMetric() != Route::ROUTE_METRIC_UNKNOWN)
				std::cout << std::setw(7) << it->getMetric();
			else
				std::cout << std::setw(7) << "";
			std::cout << std::setw(41) << it->getDest().toString()
			<< std::setw(41) << gateway << std::endl;
		}
	}
	std::cout << "=============================================================" << std::endl;
}


CppUnit::Test* RouteTest::suite()
{
	CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("RouteTest");

	CppUnit_addTest(pSuite, RouteTest, testDefaultRoute);
	CppUnit_addTest(pSuite, RouteTest, testAllRoutes);
//	CppUnit_addTest(pSuite, RouteTest, testAllHostsRoutes);
	CppUnit_addTest(pSuite, RouteTest, testLoopbackRoute);

	return pSuite;
}