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/*
Copyright (C) 2020-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "lib/dcpomatic_socket.h"
#include "lib/server.h"
#include <dcp/raw_convert.h>
#include <boost/test/unit_test.hpp>
#include <boost/thread.hpp>
#include <cstring>
#include <iostream>
using std::make_shared;
using std::shared_ptr;
using std::string;
using boost::bind;
#define TEST_SERVER_PORT 9142
#define TEST_SERVER_BUFFER_LENGTH 1024
class TestServer : public Server
{
public:
TestServer (bool digest)
: Server (TEST_SERVER_PORT, 30)
, _buffer (TEST_SERVER_BUFFER_LENGTH)
, _size (0)
, _result (false)
, _digest (digest)
{
_thread = boost::thread(bind(&TestServer::run, this));
}
~TestServer ()
{
boost::this_thread::disable_interruption dis;
stop ();
try {
_thread.join ();
} catch (...) {}
}
void expect (int size)
{
boost::mutex::scoped_lock lm (_mutex);
_size = size;
}
uint8_t const * buffer() const {
return _buffer.data();
}
void await ()
{
boost::mutex::scoped_lock lm (_mutex);
if (_size) {
_condition.wait (lm);
}
}
bool result () const {
return _result;
}
private:
void handle (std::shared_ptr<Socket> socket)
{
boost::mutex::scoped_lock lm (_mutex);
BOOST_REQUIRE (_size);
if (_digest) {
Socket::ReadDigestScope ds (socket);
socket->read (_buffer.data(), _size);
_size = 0;
_condition.notify_one ();
_result = ds.check();
} else {
socket->read (_buffer.data(), _size);
_size = 0;
_condition.notify_one ();
}
}
boost::thread _thread;
boost::mutex _mutex;
boost::condition _condition;
std::vector<uint8_t> _buffer;
int _size;
bool _result;
bool _digest;
};
void
send (shared_ptr<Socket> socket, char const* message)
{
socket->write (reinterpret_cast<uint8_t const *>(message), strlen(message) + 1);
}
/** Basic test to see if Socket can send and receive data */
BOOST_AUTO_TEST_CASE (socket_basic_test)
{
using boost::asio::ip::tcp;
TestServer server(false);
server.expect (13);
boost::asio::io_service io_service;
tcp::resolver resolver (io_service);
tcp::resolver::query query ("127.0.0.1", dcp::raw_convert<string>(TEST_SERVER_PORT));
tcp::resolver::iterator endpoint_iterator = resolver.resolve (query);
auto socket = make_shared<Socket>();
socket->connect (*endpoint_iterator);
send (socket, "Hello world!");
server.await ();
BOOST_CHECK_EQUAL(strcmp(reinterpret_cast<char const *>(server.buffer()), "Hello world!"), 0);
}
/** Check that the socket "auto-digest" creation works */
BOOST_AUTO_TEST_CASE (socket_digest_test1)
{
using boost::asio::ip::tcp;
TestServer server(false);
server.expect (13 + 16);
boost::asio::io_service io_service;
tcp::resolver resolver (io_service);
tcp::resolver::query query ("127.0.0.1", dcp::raw_convert<string>(TEST_SERVER_PORT));
tcp::resolver::iterator endpoint_iterator = resolver.resolve (query);
shared_ptr<Socket> socket(new Socket);
socket->connect (*endpoint_iterator);
{
Socket::WriteDigestScope ds(socket);
send (socket, "Hello world!");
}
server.await ();
BOOST_CHECK_EQUAL(strcmp(reinterpret_cast<char const *>(server.buffer()), "Hello world!"), 0);
/* printf "%s\0" "Hello world!" | md5sum" in bash */
char ref[] = "\x59\x86\x88\xed\x18\xc8\x71\xdd\x57\xb9\xb7\x9f\x4b\x03\x14\xcf";
BOOST_CHECK_EQUAL (memcmp(server.buffer() + 13, ref, 16), 0);
}
/** Check that the socket "auto-digest" round-trip works */
BOOST_AUTO_TEST_CASE (socket_digest_test2)
{
using boost::asio::ip::tcp;
TestServer server(true);
server.expect (13);
boost::asio::io_service io_service;
tcp::resolver resolver (io_service);
tcp::resolver::query query ("127.0.0.1", dcp::raw_convert<string>(TEST_SERVER_PORT));
tcp::resolver::iterator endpoint_iterator = resolver.resolve (query);
shared_ptr<Socket> socket(new Socket);
socket->connect (*endpoint_iterator);
{
Socket::WriteDigestScope ds(socket);
send (socket, "Hello world!");
}
server.await ();
BOOST_CHECK_EQUAL(strcmp(reinterpret_cast<char const *>(server.buffer()), "Hello world!"), 0);
BOOST_CHECK (server.result());
}
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