300 lines
8.5 KiB
C++
300 lines
8.5 KiB
C++
/*
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Copyright (c) 2008, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "test.hpp"
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#include "setup_transfer.hpp"
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#include "libtorrent/socket.hpp"
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#include "libtorrent/io.hpp"
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#include <cstring>
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#include <boost/bind.hpp>
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using namespace libtorrent;
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int read_message(stream_socket& s, char* buffer)
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{
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using namespace libtorrent::detail;
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error_code ec;
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libtorrent::asio::read(s, libtorrent::asio::buffer(buffer, 4), libtorrent::asio::transfer_all(), ec);
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if (ec)
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{
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std::cout << ec.message() << std::endl;
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exit(1);
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}
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char* ptr = buffer;
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int length = read_int32(ptr);
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libtorrent::asio::read(s, libtorrent::asio::buffer(buffer, length), libtorrent::asio::transfer_all(), ec);
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if (ec)
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{
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std::cout << ec.message() << std::endl;
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exit(1);
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}
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return length;
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}
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char const* message_name[] = {"choke", "unchoke", "interested", "not_interested"
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, "have", "bitfield", "request", "piece", "cancel", "dht_port", "", "", ""
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, "suggest_piece", "have_all", "have_none", "reject_request", "allowed_fast"};
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void send_allow_fast(stream_socket& s, int piece)
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{
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std::cout << "send allow fast: " << piece << std::endl;
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using namespace libtorrent::detail;
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char msg[] = "\0\0\0\x05\x11\0\0\0\0";
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char* ptr = msg + 5;
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write_int32(piece, ptr);
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error_code ec;
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libtorrent::asio::write(s, libtorrent::asio::buffer(msg, 9), libtorrent::asio::transfer_all(), ec);
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if (ec)
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{
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std::cout << ec.message() << std::endl;
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exit(1);
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}
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}
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void send_suggest_piece(stream_socket& s, int piece)
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{
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std::cout << "send suggest piece: " << piece << std::endl;
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using namespace libtorrent::detail;
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char msg[] = "\0\0\0\x05\x0d\0\0\0\0";
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char* ptr = msg + 5;
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write_int32(piece, ptr);
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error_code ec;
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libtorrent::asio::write(s, libtorrent::asio::buffer(msg, 9), libtorrent::asio::transfer_all(), ec);
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if (ec)
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{
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std::cout << ec.message() << std::endl;
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exit(1);
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}
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}
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void send_unchoke(stream_socket& s)
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{
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std::cout << "send unchoke" << std::endl;
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char msg[] = "\0\0\0\x01\x01";
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error_code ec;
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libtorrent::asio::write(s, libtorrent::asio::buffer(msg, 5), libtorrent::asio::transfer_all(), ec);
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if (ec)
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{
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std::cout << ec.message() << std::endl;
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exit(1);
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}
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}
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void do_handshake(stream_socket& s, sha1_hash const& ih, char* buffer)
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{
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char handshake[] = "\x13" "BitTorrent protocol\0\0\0\0\0\0\0\x04"
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" " // space for info-hash
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"aaaaaaaaaaaaaaaaaaaa" // peer-id
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"\0\0\0\x01\x0e"; // have_all
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std::cout << "send handshake" << std::endl;
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error_code ec;
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std::memcpy(handshake + 28, ih.begin(), 20);
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libtorrent::asio::write(s, libtorrent::asio::buffer(handshake, sizeof(handshake) - 1), libtorrent::asio::transfer_all(), ec);
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if (ec)
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{
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std::cout << ec.message() << std::endl;
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exit(1);
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}
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// read handshake
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libtorrent::asio::read(s, libtorrent::asio::buffer(buffer, 68), libtorrent::asio::transfer_all(), ec);
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if (ec)
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{
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std::cout << ec.message() << std::endl;
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exit(1);
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}
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std::cout << "received handshake" << std::endl;
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TEST_CHECK(buffer[0] == 19);
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TEST_CHECK(std::memcmp(buffer + 1, "BitTorrent protocol", 19) == 0);
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char* extensions = buffer + 20;
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// check for fast extension support
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TEST_CHECK(extensions[7] & 0x4);
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#ifndef TORRENT_DISABLE_EXTENSIONS
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// check for extension protocol support
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TEST_CHECK(extensions[5] & 0x10);
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#endif
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#ifndef TORRENT_DISABLE_DHT
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// check for DHT support
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TEST_CHECK(extensions[7] & 0x1);
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#endif
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TEST_CHECK(std::memcmp(buffer + 28, ih.begin(), 20) == 0);
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}
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// makes sure that pieces that are allowed and then
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// rejected aren't requested again
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void test_reject_fast()
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{
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boost::intrusive_ptr<torrent_info> t = ::create_torrent();
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sha1_hash ih = t->info_hash();
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session ses1(fingerprint("LT", 0, 1, 0, 0), std::make_pair(48900, 49000));
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ses1.add_torrent(t, "./tmp1");
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test_sleep(2000);
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io_service ios;
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stream_socket s(ios);
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error_code ec;
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s.connect(tcp::endpoint(address::from_string("127.0.0.1", ec), ses1.listen_port()), ec);
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char recv_buffer[1000];
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do_handshake(s, ih, recv_buffer);
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std::vector<int> allowed_fast;
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allowed_fast.push_back(0);
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allowed_fast.push_back(1);
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allowed_fast.push_back(2);
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allowed_fast.push_back(3);
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std::for_each(allowed_fast.begin(), allowed_fast.end()
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, bind(&send_allow_fast, boost::ref(s), _1));
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while (!allowed_fast.empty())
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{
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read_message(s, recv_buffer);
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int msg = recv_buffer[0];
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if (msg >= 0 && msg < int(sizeof(message_name)/sizeof(message_name[0])))
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std::cerr << message_name[msg] << std::endl;
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else
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std::cerr << msg << std::endl;
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if (recv_buffer[0] != 0x6) continue;
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using namespace libtorrent::detail;
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char* ptr = recv_buffer + 1;
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int piece = read_int32(ptr);
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std::vector<int>::iterator i = std::find(allowed_fast.begin()
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, allowed_fast.end(), piece);
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TEST_CHECK(i != allowed_fast.end());
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if (i != allowed_fast.end())
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allowed_fast.erase(i);
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// send reject request
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recv_buffer[0] = 0x10;
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error_code ec;
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libtorrent::asio::write(s, libtorrent::asio::buffer("\0\0\0\x0d", 4), libtorrent::asio::transfer_all(), ec);
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if (ec)
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{
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std::cout << ec.message() << std::endl;
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exit(1);
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}
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libtorrent::asio::write(s, libtorrent::asio::buffer(recv_buffer, 13), libtorrent::asio::transfer_all(), ec);
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std::cout << ec.message() << std::endl;
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if (ec)
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{
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std::cout << ec.message() << std::endl;
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exit(1);
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}
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}
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}
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void test_respect_suggest()
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{
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boost::intrusive_ptr<torrent_info> t = ::create_torrent();
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sha1_hash ih = t->info_hash();
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session ses1(fingerprint("LT", 0, 1, 0, 0), std::make_pair(48900, 49000));
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ses1.add_torrent(t, "./tmp1");
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test_sleep(2000);
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io_service ios;
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error_code ec;
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stream_socket s(ios);
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s.connect(tcp::endpoint(address::from_string("127.0.0.1", ec), ses1.listen_port()), ec);
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char recv_buffer[1000];
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do_handshake(s, ih, recv_buffer);
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std::vector<int> suggested;
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suggested.push_back(0);
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suggested.push_back(1);
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suggested.push_back(2);
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suggested.push_back(3);
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std::for_each(suggested.begin(), suggested.end()
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, bind(&send_suggest_piece, boost::ref(s), _1));
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send_unchoke(s);
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int fail_counter = 100;
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while (!suggested.empty() && fail_counter > 0)
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{
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read_message(s, recv_buffer);
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std::cerr << "msg: ";
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int msg = recv_buffer[0];
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if (msg >= 0 && msg < int(sizeof(message_name)/sizeof(message_name[0])))
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std::cerr << message_name[msg] << std::endl;
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else
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std::cerr << msg << std::endl;
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fail_counter--;
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if (recv_buffer[0] != 0x6) continue;
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using namespace libtorrent::detail;
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char* ptr = recv_buffer + 1;
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int piece = read_int32(ptr);
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std::vector<int>::iterator i = std::find(suggested.begin()
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, suggested.end(), piece);
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TEST_CHECK(i != suggested.end());
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if (i != suggested.end())
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suggested.erase(i);
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// send reject request
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recv_buffer[0] = 0x10;
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error_code ec;
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libtorrent::asio::write(s, libtorrent::asio::buffer("\0\0\0\x0d", 4), libtorrent::asio::transfer_all(), ec);
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if (ec)
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{
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std::cout << ec.message() << std::endl;
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exit(1);
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}
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libtorrent::asio::write(s, libtorrent::asio::buffer(recv_buffer, 13), libtorrent::asio::transfer_all(), ec);
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if (ec)
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{
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std::cout << ec.message() << std::endl;
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exit(1);
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}
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}
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TEST_CHECK(fail_counter > 0);
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}
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int test_main()
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{
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test_reject_fast();
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test_respect_suggest();
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return 0;
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}
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