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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 "settings.h"
#include "network/socket.h"
class TestSocket : public TestBase {
public:
TestSocket()
{
if (INTERNET_SIMULATOR == false)
TestManager::registerTestModule(this);
}
const char *getName() { return "TestSocket"; }
void runTests(IGameDef *gamedef);
void testIPv4Socket();
void testIPv6Socket();
static const int port = 30003;
};
static TestSocket g_test_instance;
void TestSocket::runTests(IGameDef *gamedef)
{
TEST(testIPv4Socket);
if (g_settings->getBool("enable_ipv6"))
TEST(testIPv6Socket);
}
////////////////////////////////////////////////////////////////////////////////
void TestSocket::testIPv4Socket()
{
Address address(0, 0, 0, 0, port);
Address bind_addr(0, 0, 0, 0, port);
/*
* 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) {
}
UDPSocket socket(false);
socket.Bind(address);
const char sendbuffer[] = "hello world!";
/*
* If there is a bind address, use it.
* It's useful in container environments
*/
if (address != Address(0, 0, 0, 0, port))
socket.Send(address, sendbuffer, sizeof(sendbuffer));
else
socket.Send(Address(127, 0, 0, 1, port), sendbuffer, sizeof(sendbuffer));
sleep_ms(50);
char rcvbuffer[256] = { 0 };
Address sender;
for (;;) {
if (socket.Receive(sender, rcvbuffer, sizeof(rcvbuffer)) < 0)
break;
}
//FIXME: This fails on some systems
UASSERT(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer)) == 0);
if (address != Address(0, 0, 0, 0, port)) {
UASSERT(sender.getAddress().sin_addr.s_addr ==
address.getAddress().sin_addr.s_addr);
} else {
UASSERT(sender.getAddress().sin_addr.s_addr ==
Address(127, 0, 0, 1, 0).getAddress().sin_addr.s_addr);
}
}
void TestSocket::testIPv6Socket()
{
Address address6((IPv6AddressBytes *)NULL, port);
UDPSocket socket6;
if (!socket6.init(true, true)) {
/* Note: Failing to create an IPv6 socket is not technically an
error because the OS may not support IPv6 or it may
have been disabled. IPv6 is not /required/ by
minetest and therefore this should not cause the unit
test to fail
*/
dstream << "WARNING: IPv6 socket creation failed (unit test)"
<< std::endl;
return;
}
const char sendbuffer[] = "hello world!";
IPv6AddressBytes bytes;
bytes.bytes[15] = 1;
socket6.Bind(address6);
try {
socket6.Send(Address(&bytes, port), sendbuffer, sizeof(sendbuffer));
sleep_ms(50);
char rcvbuffer[256] = { 0 };
Address sender;
for(;;) {
if (socket6.Receive(sender, rcvbuffer, sizeof(rcvbuffer)) < 0)
break;
}
//FIXME: This fails on some systems
UASSERT(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer)) == 0);
UASSERT(memcmp(sender.getAddress6().sin6_addr.s6_addr,
Address(&bytes, 0).getAddress6().sin6_addr.s6_addr, 16) == 0);
} catch (SendFailedException &e) {
errorstream << "IPv6 support enabled but not available!"
<< std::endl;
}
}
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