mirror of
https://github.com/minetest/minetest.git
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150 lines
3.7 KiB
C++
150 lines
3.7 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "test.h"
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#include "log.h"
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#include "settings.h"
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#include "network/socket.h"
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class TestSocket : public TestBase {
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public:
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TestSocket()
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{
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if (INTERNET_SIMULATOR == false)
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TestManager::registerTestModule(this);
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}
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const char *getName() { return "TestSocket"; }
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void runTests(IGameDef *gamedef);
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void testIPv4Socket();
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void testIPv6Socket();
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static const int port = 30003;
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};
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static TestSocket g_test_instance;
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void TestSocket::runTests(IGameDef *gamedef)
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{
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TEST(testIPv4Socket);
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if (g_settings->getBool("enable_ipv6"))
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TEST(testIPv6Socket);
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}
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////////////////////////////////////////////////////////////////////////////////
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void TestSocket::testIPv4Socket()
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{
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Address address(0, 0, 0, 0, port);
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Address bind_addr(0, 0, 0, 0, port);
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/*
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* Try to use the bind_address for servers with no localhost address
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* For example: FreeBSD jails
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*/
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std::string bind_str = g_settings->get("bind_address");
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try {
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bind_addr.Resolve(bind_str.c_str());
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if (!bind_addr.isIPv6()) {
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address = bind_addr;
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}
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} catch (ResolveError &e) {
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}
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UDPSocket socket(false);
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socket.Bind(address);
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const char sendbuffer[] = "hello world!";
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/*
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* If there is a bind address, use it.
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* It's useful in container environments
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*/
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if (address != Address(0, 0, 0, 0, port))
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socket.Send(address, sendbuffer, sizeof(sendbuffer));
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else
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socket.Send(Address(127, 0, 0, 1, port), sendbuffer, sizeof(sendbuffer));
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sleep_ms(50);
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char rcvbuffer[256] = { 0 };
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Address sender;
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for (;;) {
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if (socket.Receive(sender, rcvbuffer, sizeof(rcvbuffer)) < 0)
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break;
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}
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//FIXME: This fails on some systems
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UASSERT(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer)) == 0);
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if (address != Address(0, 0, 0, 0, port)) {
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UASSERT(sender.getAddress().s_addr ==
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address.getAddress().s_addr);
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} else {
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UASSERT(sender.getAddress().s_addr ==
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Address(127, 0, 0, 1, 0).getAddress().s_addr);
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}
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}
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void TestSocket::testIPv6Socket()
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{
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Address address6((IPv6AddressBytes *)NULL, port);
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UDPSocket socket6;
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if (!socket6.init(true, true)) {
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/* Note: Failing to create an IPv6 socket is not technically an
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error because the OS may not support IPv6 or it may
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have been disabled. IPv6 is not /required/ by
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minetest and therefore this should not cause the unit
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test to fail
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*/
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dstream << "WARNING: IPv6 socket creation failed (unit test)"
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<< std::endl;
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return;
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}
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const char sendbuffer[] = "hello world!";
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IPv6AddressBytes bytes;
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bytes.bytes[15] = 1;
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socket6.Bind(address6);
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{
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socket6.Send(Address(&bytes, port), sendbuffer, sizeof(sendbuffer));
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sleep_ms(50);
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char rcvbuffer[256] = { 0 };
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Address sender;
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for(;;) {
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if (socket6.Receive(sender, rcvbuffer, sizeof(rcvbuffer)) < 0)
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break;
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}
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//FIXME: This fails on some systems
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UASSERT(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer)) == 0);
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UASSERT(memcmp(sender.getAddress6().s6_addr,
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Address(&bytes, 0).getAddress6().s6_addr, 16) == 0);
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}
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}
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