forked from premiere/premiere-libtorrent
134 lines
4.6 KiB
C++
134 lines
4.6 KiB
C++
/*
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Copyright (c) 2014, 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 "libtorrent/torrent_info.hpp"
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#include "libtorrent/resolve_links.hpp"
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#include "libtorrent/file.hpp" // for combine_path
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#include <boost/make_shared.hpp>
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#include <boost/bind.hpp>
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using namespace libtorrent;
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struct test_torrent_t
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{
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char const* filename1;
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char const* filename2;
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int expected_matches;
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};
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test_torrent_t test_torrents[] = {
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// no match because shared file in test2 and test3 is not padded/aligned
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{ "test2", "test1_pad_files", 0},
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{ "test3", "test1_pad_files", 0},
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// in this case, test1 happens to have the shared file as the first one,
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// which makes it padded, however, the tail of it isn't padded, so it
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// still overlaps with the next file
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{ "test1", "test1_pad_files", 0},
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// test2 and test3 don't have the shared file aligned
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{ "test2", "test1_pad_files", 0},
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{ "test3", "test1_pad_files", 0},
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{ "test2", "test1_single", 0},
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// these are all padded. The first small file will accidentally also
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// match, even though it's not tail padded, the following file is identical
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{ "test2_pad_files", "test1_pad_files", 2},
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{ "test3_pad_files", "test1_pad_files", 2},
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{ "test3_pad_files", "test2_pad_files", 2},
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{ "test1_pad_files", "test2_pad_files", 2},
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{ "test1_pad_files", "test3_pad_files", 2},
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{ "test2_pad_files", "test3_pad_files", 2},
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// one might expect this to work, but since the tail of the single file
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// torrent is not padded, the last piece hash won't match
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{ "test1_pad_files", "test1_single", 0},
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// if it's padded on the other hand, it will work
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{ "test1_pad_files", "test1_single_padded", 1},
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// TODO: test files with different piece size (negative test)
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};
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// TODO: it would be nice to test resolving of more than just 2 files as well.
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// like 3 single file torrents merged into one, resolving all 3 files.
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int test_main()
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{
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#ifndef TORRENT_DISABLE_MUTABLE_TORRENTS
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std::string path = combine_path(parent_path(current_working_directory())
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, "mutable_test_torrents");
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for (int i = 0; i < sizeof(test_torrents)/sizeof(test_torrents[0]); ++i)
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{
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test_torrent_t const& e = test_torrents[i];
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std::string p = combine_path(path, e.filename1) + ".torrent";
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fprintf(stderr, "loading %s\n", p.c_str());
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boost::shared_ptr<torrent_info> ti1 = boost::make_shared<torrent_info>(p);
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p = combine_path(path, e.filename2) + ".torrent";
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fprintf(stderr, "loading %s\n", p.c_str());
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boost::shared_ptr<torrent_info> ti2 = boost::make_shared<torrent_info>(p);
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fprintf(stderr, "resolving\n");
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resolve_links l(ti1);
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l.match(ti2, ".");
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std::vector<resolve_links::link_t> const& links = l.get_links();
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int num_matches = std::count_if(links.begin(), links.end()
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, boost::bind(&resolve_links::link_t::ti, _1));
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// some debug output in case the test fails
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if (num_matches > e.expected_matches)
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{
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file_storage const& fs = ti1->files();
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for (int i = 0; i < links.size(); ++i)
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{
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TORRENT_ASSERT(i < fs.num_files());
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fprintf(stderr, "%s --> %s : %d\n", fs.file_name(i).c_str()
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, links[i].ti ? to_hex(links[i].ti->info_hash()
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.to_string()).c_str() : "", links[i].file_idx);
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}
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}
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TEST_EQUAL(num_matches, e.expected_matches);
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}
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#endif // TORRENT_DISABLE_MUTABLE_TORRENTS
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return 0;
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}
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