376 lines
12 KiB
C++
376 lines
12 KiB
C++
/*
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Copyright (c) 2013, 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/file_storage.hpp"
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#include "libtorrent/file.hpp"
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using namespace libtorrent;
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void setup_test_storage(file_storage& st)
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{
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st.add_file(combine_path("test", "a"), 10000);
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st.add_file(combine_path("test", "b"), 20000);
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st.add_file(combine_path("test", combine_path("c", "a")), 30000);
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st.add_file(combine_path("test", combine_path("c", "b")), 40000);
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st.set_piece_length(0x4000);
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st.set_num_pieces((int(st.total_size()) + st.piece_length() - 1) / 0x4000);
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TEST_EQUAL(st.file_name(0), "a");
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TEST_EQUAL(st.file_name(1), "b");
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TEST_EQUAL(st.file_name(2), "a");
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TEST_EQUAL(st.file_name(3), "b");
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TEST_EQUAL(st.name(), "test");
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TEST_EQUAL(st.file_path(0), combine_path("test", "a"));
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TEST_EQUAL(st.file_path(1), combine_path("test", "b"));
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TEST_EQUAL(st.file_path(2), combine_path("test", combine_path("c", "a")));
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TEST_EQUAL(st.file_path(3), combine_path("test", combine_path("c", "b")));
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TEST_EQUAL(st.file_size(0), 10000);
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TEST_EQUAL(st.file_size(1), 20000);
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TEST_EQUAL(st.file_size(2), 30000);
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TEST_EQUAL(st.file_size(3), 40000);
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TEST_EQUAL(st.file_offset(0), 0);
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TEST_EQUAL(st.file_offset(1), 10000);
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TEST_EQUAL(st.file_offset(2), 30000);
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TEST_EQUAL(st.file_offset(3), 60000);
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TEST_EQUAL(st.total_size(), 100000);
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TEST_EQUAL(st.piece_length(), 0x4000);
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std::printf("%d\n", st.num_pieces());
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TEST_EQUAL(st.num_pieces(), (100000 + 0x3fff) / 0x4000);
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}
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TORRENT_TEST(rename_file)
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{
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// test rename_file
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file_storage st;
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setup_test_storage(st);
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st.rename_file(0, combine_path("test", combine_path("c", "d")));
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TEST_EQUAL(st.file_path(0, "."), combine_path(".", combine_path("test"
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, combine_path("c", "d"))));
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TEST_EQUAL(st.file_path(0, ""), combine_path("test"
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, combine_path("c", "d")));
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// files with absolute paths should ignore the save_path argument
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// passed in to file_path()
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#ifdef TORRENT_WINDOWS
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st.rename_file(0, "c:\\tmp\\a");
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TEST_EQUAL(st.file_path(0, "."), "c:\\tmp\\a");
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#else
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st.rename_file(0, "/tmp/a");
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TEST_EQUAL(st.file_path(0, "."), "/tmp/a");
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#endif
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}
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TORRENT_TEST(set_name)
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{
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// test set_name. Make sure the name of the torrent is not encoded
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// in the paths of each individual file. When changing the name of the
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// torrent, the path of the files should change too
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file_storage st;
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setup_test_storage(st);
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st.set_name("test_2");
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TEST_EQUAL(st.file_path(0, "."), combine_path(".", combine_path("test_2"
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, "a")));
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}
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TORRENT_TEST(rename_file2)
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{
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// test rename_file
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file_storage st;
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st.add_file("a", 10000);
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TEST_EQUAL(st.file_path(0, ""), "a");
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st.rename_file(0, combine_path("test", combine_path("c", "d")));
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TEST_EQUAL(st.file_path(0, "."), combine_path(".", combine_path("test", combine_path("c", "d"))));
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TEST_EQUAL(st.file_path(0, ""), combine_path("test", combine_path("c", "d")));
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#ifdef TORRENT_WINDOWS
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st.rename_file(0, "c:\\tmp\\a");
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TEST_EQUAL(st.file_path(0, "."), "c:\\tmp\\a");
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TEST_EQUAL(st.file_path(0, "c:\\test-1\\test2"), "c:\\tmp\\a");
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#else
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st.rename_file(0, "/tmp/a");
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TEST_EQUAL(st.file_path(0, "."), "/tmp/a");
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TEST_EQUAL(st.file_path(0, "/usr/local/temp"), "/tmp/a");
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#endif
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st.rename_file(0, combine_path("tmp", "a"));
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TEST_EQUAL(st.file_path(0, "."), combine_path("tmp", "a"));
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}
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TORRENT_TEST(pointer_offset)
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{
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// test applying pointer offset
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file_storage st;
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char const filename[] = "test1fooba";
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st.add_file_borrow(filename, 5, combine_path("test-torrent-1", "test1")
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, 10);
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// test filename_ptr and filename_len
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TEST_EQUAL(st.file_name_ptr(0), filename);
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TEST_EQUAL(st.file_name_len(0), 5);
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TEST_EQUAL(st.file_path(0, ""), combine_path("test-torrent-1", "test1"));
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TEST_EQUAL(st.file_path(0, "tmp"), combine_path("tmp"
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, combine_path("test-torrent-1", "test1")));
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// apply a pointer offset of 5 bytes. The name of the file should
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// change to "fooba".
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st.apply_pointer_offset(5);
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TEST_EQUAL(st.file_path(0, ""), combine_path("test-torrent-1", "fooba"));
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TEST_EQUAL(st.file_path(0, "tmp"), combine_path("tmp"
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, combine_path("test-torrent-1", "fooba")));
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// test filename_ptr and filename_len
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TEST_EQUAL(st.file_name_ptr(0), filename + 5);
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TEST_EQUAL(st.file_name_len(0), 5);
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}
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TORRENT_TEST(map_file)
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{
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// test map_file
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file_storage fs;
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fs.set_piece_length(512);
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fs.add_file(combine_path("temp_storage", "test1.tmp"), 17);
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fs.add_file(combine_path("temp_storage", "test2.tmp"), 612);
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fs.add_file(combine_path("temp_storage", "test3.tmp"), 0);
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fs.add_file(combine_path("temp_storage", "test4.tmp"), 0);
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fs.add_file(combine_path("temp_storage", "test5.tmp"), 3253);
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// size: 3882
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fs.add_file(combine_path("temp_storage", "test6.tmp"), 841);
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// size: 4723
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peer_request rq = fs.map_file(0, 0, 10);
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TEST_EQUAL(rq.piece, 0);
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TEST_EQUAL(rq.start, 0);
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TEST_EQUAL(rq.length, 10);
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rq = fs.map_file(5, 0, 10);
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TEST_EQUAL(rq.piece, 7);
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TEST_EQUAL(rq.start, 298);
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TEST_EQUAL(rq.length, 10);
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rq = fs.map_file(5, 0, 1000);
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TEST_EQUAL(rq.piece, 7);
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TEST_EQUAL(rq.start, 298);
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TEST_EQUAL(rq.length, 841);
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}
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TORRENT_TEST(file_path_hash)
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{
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// test file_path_hash and path_hash. Make sure we can detect a path
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// whose name collides with
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file_storage fs;
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fs.set_piece_length(512);
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fs.add_file(combine_path("temp_storage", "Foo"), 17);
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fs.add_file(combine_path("temp_storage", "foo"), 612);
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std::printf("path: %s\n", fs.file_path(0).c_str());
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std::printf("file: %s\n", fs.file_path(1).c_str());
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std::uint32_t file_hash0 = fs.file_path_hash(0, "a");
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std::uint32_t file_hash1 = fs.file_path_hash(1, "a");
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TEST_EQUAL(file_hash0, file_hash1);
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}
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// make sure that files whose size is a multiple by the alignment are picked
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// first, since that lets us keep placing files aligned
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TORRENT_TEST(optimize_aligned_sizes)
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{
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file_storage fs;
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fs.set_piece_length(512);
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fs.add_file(combine_path("s", "1"), 1);
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fs.add_file(combine_path("s", "2"), 40000);
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fs.add_file(combine_path("s", "3"), 1024);
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fs.optimize(512, 512, false);
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// since the size of file 3 is a multiple of the alignment (512), it should
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// be prioritized, to minimize the amount of padding.
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// after that, we want to pick the largest file (2), and since file 1 is
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// smaller than the pad-file limit (512) we won't pad it. Since tail_padding
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// is false, we won't pad the tail of the torrent either
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TEST_EQUAL(fs.num_files(), 3);
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TEST_EQUAL(fs.file_size(0), 1024);
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TEST_EQUAL(fs.file_name(0), "3");
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TEST_EQUAL(fs.pad_file_at(0), false);
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TEST_EQUAL(fs.file_size(1), 40000);
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TEST_EQUAL(fs.file_name(1), "2");
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TEST_EQUAL(fs.pad_file_at(1), false);
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TEST_EQUAL(fs.file_size(2), 1);
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TEST_EQUAL(fs.file_name(2), "1");
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TEST_EQUAL(fs.pad_file_at(2), false);
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}
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// make sure we pad the end of the torrent when tail_padding is specified
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TORRENT_TEST(optimize_tail_padding)
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{
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file_storage fs;
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fs.set_piece_length(512);
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fs.add_file(combine_path("s", "1"), 700);
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fs.optimize(512, 512, true);
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// since the size of file 3 is a multiple of the alignment (512), it should
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// be prioritized, to minimize the amount of padding.
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// after that, we want to pick the largest file (2), and since file 1 is
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// smaller than the pad-file limit (512) we won't pad it. Since tail_padding
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// is false, we won't pad the tail of the torrent either
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TEST_EQUAL(fs.num_files(), 2);
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TEST_EQUAL(fs.file_size(0), 700);
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TEST_EQUAL(fs.file_name(0), "1");
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TEST_EQUAL(fs.pad_file_at(0), false);
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TEST_EQUAL(fs.file_size(1), 1024 - 700);
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TEST_EQUAL(fs.pad_file_at(1), true);
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}
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// make sure we fill in padding with small files
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TORRENT_TEST(optimize_pad_fillers)
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{
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file_storage fs;
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fs.set_piece_length(512);
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fs.add_file(combine_path("s", "1"), 1);
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fs.add_file(combine_path("s", "2"), 1000);
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fs.add_file(combine_path("s", "3"), 1001);
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fs.optimize(512, 512, false);
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// first we pick the largest file, then we need to add padding, since file 1
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// is smaller than the pad file limit, it won't be aligned anyway, so we
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// place that as part of the padding
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TEST_EQUAL(fs.num_files(), 4);
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TEST_EQUAL(fs.file_size(0), 1001);
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TEST_EQUAL(fs.file_name(0), "3");
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TEST_EQUAL(fs.pad_file_at(0), false);
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TEST_EQUAL(fs.file_size(1), 1);
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TEST_EQUAL(fs.file_name(1), "1");
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TEST_EQUAL(fs.pad_file_at(1), false);
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TEST_EQUAL(fs.file_size(2), 1024 - (1001 + 1));
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TEST_EQUAL(fs.pad_file_at(2), true);
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TEST_EQUAL(fs.file_size(3), 1000);
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TEST_EQUAL(fs.file_name(3), "2");
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TEST_EQUAL(fs.pad_file_at(3), false);
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}
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TORRENT_TEST(piece_range_exclusive)
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{
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int const piece_size = 16;
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file_storage fs;
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fs.set_piece_length(piece_size);
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fs.add_file(combine_path("temp_storage", "0"), piece_size);
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fs.add_file(combine_path("temp_storage", "1"), piece_size * 4 + 1);
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fs.add_file(combine_path("temp_storage", "2"), piece_size * 4 - 1);
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fs.set_num_pieces(int((fs.total_size() + piece_size - 1) / piece_size));
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// +---+---+---+---+---+---+---+---+---+
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// pieces | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
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// +---+---+---+---+---+---+---+---+---+
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// files | 0 | 1 | 2 |
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// +---+----------------+--------------+
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TEST_CHECK(aux::file_piece_range_exclusive(fs, 0) == std::make_tuple(0, 1));
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TEST_CHECK(aux::file_piece_range_exclusive(fs, 1) == std::make_tuple(1, 5));
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TEST_CHECK(aux::file_piece_range_exclusive(fs, 2) == std::make_tuple(6, 9));
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}
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TORRENT_TEST(piece_range_inclusive)
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{
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int const piece_size = 16;
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file_storage fs;
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fs.set_piece_length(piece_size);
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fs.add_file(combine_path("temp_storage", "0"), piece_size);
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fs.add_file(combine_path("temp_storage", "1"), piece_size * 4 + 1);
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fs.add_file(combine_path("temp_storage", "2"), piece_size * 4 - 1);
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fs.set_num_pieces(int((fs.total_size() + piece_size - 1) / piece_size));
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// +---+---+---+---+---+---+---+---+---+
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// pieces | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
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// +---+---+---+---+---+---+---+---+---+
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// files | 0 | 1 | 2 |
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// +---+----------------+--------------+
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TEST_CHECK(aux::file_piece_range_inclusive(fs, 0) == std::make_tuple(0, 1));
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TEST_CHECK(aux::file_piece_range_inclusive(fs, 1) == std::make_tuple(1, 6));
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TEST_CHECK(aux::file_piece_range_inclusive(fs, 2) == std::make_tuple(5, 9));
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}
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TORRENT_TEST(piece_range)
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{
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int const piece_size = 0x4000;
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file_storage fs;
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fs.set_piece_length(piece_size);
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fs.add_file(combine_path("temp_storage", "0"), piece_size * 3);
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fs.add_file(combine_path("temp_storage", "1"), piece_size * 3 + 0x30);
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fs.set_num_pieces(int((fs.total_size() + piece_size - 1) / piece_size));
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// +---+---+---+---+---+---+---+
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// pieces | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
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// +---+---+---+---+---+---+---+
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// files | 0 | 1 |
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// +---+-------+------------+
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TEST_CHECK(aux::file_piece_range_inclusive(fs, 0) == std::make_tuple(0, 3));
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TEST_CHECK(aux::file_piece_range_inclusive(fs, 1) == std::make_tuple(3, 7));
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TEST_CHECK(aux::file_piece_range_exclusive(fs, 0) == std::make_tuple(0, 3));
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TEST_CHECK(aux::file_piece_range_exclusive(fs, 1) == std::make_tuple(3, 7));
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}
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// TODO: test file_storage::optimize
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// TODO: test map_block
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// TODO: test piece_size(int piece)
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// TODO: test file_index_at_offset
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// TODO: test file attributes
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// TODO: test symlinks
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// TODO: test pad_files
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// TODO: test reorder_file (make sure internal_file_entry::swap() is used)
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