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authorBlockhead <jbis1337@hotmail.com>2020-03-03 20:53:25 +1100
committerBlockhead <jbis1337@hotmail.com>2020-03-03 23:00:20 +1100
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parent9d7b21c451ac5ae9475236814f33e5627061ece1 (diff)
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Draft copy tool
The copy tool copies a train to a global clipboard. It copies the Line number, Routing code, inside text and outside text. It copies the kinds of wagons in the train and whether they are flipped around. Pasting with the copy tool will conditionally flip the train such that 'your front' of the train, rather than the absolute front of the train, is what is output. The new train is oriented to travel forward with the placing player's view. Conditons are: - Multi-unit/push-pull train (= has locomotives on both ends): Never flipped - Locomotive-hauled train (= has one end with a locomotive): Flipped so that the locomotive is always at the front. If the locomotive points long hood forward, it will still point long hood forward. - Rake of wagons (= has no locomotives on ends): Flipped according to which end of the train the player copies from. If the player is towards the back (wagon out of train divded by total wagons > 0.5), then the back becomes the new front. If the player is towards the front, no change.
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generated by cgit v1.2.3 (git 2.39.1) at 2025-01-30 22:31:05 +0000
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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include "test.h"

#include "log.h"
#include "socket.h"
#include "settings.h"
#include "util/serialize.h"
#include "network/connection.h"

class TestConnection : public TestBase {
public:
	TestConnection()
	{
		if (INTERNET_SIMULATOR == false)
			TestManager::registerTestModule(this);
	}

	const char *getName() { return "TestConnection"; }

	void runTests(IGameDef *gamedef);

	void testHelpers();
	void testConnectSendReceive();
};

static TestConnection g_test_instance;

void TestConnection::runTests(IGameDef *gamedef)
{
	TEST(testHelpers);
	TEST(testConnectSendReceive);
}

////////////////////////////////////////////////////////////////////////////////

struct Handler : public con::PeerHandler
{
	Handler(const char *a_name)
	{
		count = 0;
		last_id = 0;
		name = a_name;
	}

	void peerAdded(con::Peer *peer)
	{
		infostream << "Handler(" << name << ")::peerAdded(): "
			"id=" << peer->id << std::endl;
		last_id = peer->id;
		count++;
	}

	void deletingPeer(con::Peer *peer, bool timeout)
	{
		infostream << "Handler(" << name << ")::deletingPeer(): "
			"id=" << peer->id << ", timeout=" << timeout << std::endl;
		last_id = peer->id;
		count--;
	}

	s32 count;
	u16 last_id;
	const char *name;
};

void TestConnection::testHelpers()
{
	// Some constants for testing
	u32 proto_id = 0x12345678;
	u16 peer_id = 123;
	u8 channel = 2;
	SharedBuffer<u8> data1(1);
	data1[0] = 100;
	Address a(127,0,0,1, 10);
	const u16 seqnum = 34352;

	con::BufferedPacket p1 = con::makePacket(a, data1,
			proto_id, peer_id, channel);
	/*
		We should now have a packet with this data:
		Header:
			[0] u32 protocol_id
			[4] u16 sender_peer_id
			[6] u8 channel
		Data:
			[7] u8 data1[0]
	*/
	UASSERT(readU32(&p1.data[0]) == proto_id);
	UASSERT(readU16(&p1.data[4]) == peer_id);
	UASSERT(readU8(&p1.data[6]) == channel);
	UASSERT(readU8(&p1.data[7]) == data1[0]);

	//infostream<<"initial data1[0]="<<((u32)data1[0]&0xff)<<std::endl;

	SharedBuffer<u8> p2 = con::makeReliablePacket(data1, seqnum);

	/*infostream<<"p2.getSize()="<<p2.getSize()<<", data1.getSize()="
			<<data1.getSize()<<std::endl;
	infostream<<"readU8(&p2[3])="<<readU8(&p2[3])
			<<" p2[3]="<<((u32)p2[3]&0xff)<<std::endl;
	infostream<<"data1[0]="<<((u32)data1[0]&0xff)<<std::endl;*/

	UASSERT(p2.getSize() == 3 + data1.getSize());
	UASSERT(readU8(&p2[0]) == TYPE_RELIABLE);
	UASSERT(readU16(&p2[1]) == seqnum);
	UASSERT(readU8(&p2[3]) == data1[0]);
}


void TestConnection::testConnectSendReceive()
{
	DSTACK("TestConnection::Run");

	/*
		Test some real connections

		NOTE: This mostly tests the legacy interface.
	*/

	u32 proto_id = 0xad26846a;

	Handler hand_server("server");
	Handler hand_client("client");

	Address address(0, 0, 0, 0, 30001);
	Address bind_addr(0, 0, 0, 0, 30001);
	/*
	 * Try to use the bind_address for servers with no localhost address
	 * For example: FreeBSD jails
	 */
	std::string bind_str = g_settings->get("bind_address");
	try {
		bind_addr.Resolve(bind_str.c_str());

		if (!bind_addr.isIPv6()) {
			address = bind_addr;
		}
	} catch (ResolveError &e) {
	}

	infostream << "** Creating server Connection" << std::endl;
	con::Connection server(proto_id, 512, 5.0, false, &hand_server);
	server.Serve(address);

	infostream << "** Creating client Connection" << std::endl;
	con::Connection client(proto_id, 512, 5.0, false, &hand_client);

	UASSERT(hand_server.count == 0);
	UASSERT(hand_client.count == 0);