add test for readwritev and experiment with SEH handler in test
This commit is contained in:
arvidn
parent
964031c070
commit
07574117ad
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@ -134,7 +134,11 @@ void sig_handler(int sig)
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output_test_log_to_terminal();
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#ifdef WIN32
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exit(sig);
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#else
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exit(128 + sig);
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#endif
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}
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void print_usage(char const* executable)
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@ -154,6 +158,17 @@ void print_usage(char const* executable)
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"by -l. If no test is specified, all tests are run\n", executable);
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}
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#ifdef WIN32
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LONG WINAPI seh_exception_handler(LPEXCEPTION_POINTERS p)
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{
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int sig = p->ExceptionRecord->ExceptionCode;
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fprintf(stderr, "SEH exception: %u\n"
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, p->ExceptionRecord->ExceptionCode);
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sig_handler(sig);
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exit(sig);
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}
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#endif
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EXPORT int main(int argc, char const* argv[])
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{
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char const* executable = argv[0];
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@ -207,6 +222,8 @@ EXPORT int main(int argc, char const* argv[])
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// modal dialogs.
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SetErrorMode( SEM_NOALIGNMENTFAULTEXCEPT
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| SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX);
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SetUnhandledExceptionFilter(&seh_exception_handler);
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#endif
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#ifdef O_NONBLOCK
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@ -54,14 +54,8 @@ using namespace libtorrent;
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namespace lt = libtorrent;
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const int piece_size = 16 * 1024 * 16;
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const int half = piece_size / 2;
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char* piece0 = page_aligned_allocator::malloc(piece_size);
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char* piece1 = page_aligned_allocator::malloc(piece_size);
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char* piece2 = page_aligned_allocator::malloc(piece_size);
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char* piece3 = page_aligned_allocator::malloc(piece_size);
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void signal_bool(bool* b, char const* string)
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{
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*b = true;
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@ -171,6 +165,15 @@ boost::shared_ptr<default_storage> setup_torrent(file_storage& fs
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return s;
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}
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typedef boost::shared_array<char> buf_ptr;
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buf_ptr new_piece(int size)
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{
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buf_ptr ret(page_aligned_allocator::malloc(size), &page_aligned_allocator::free);
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std::generate(ret.get(), ret.get() + size, random_byte);
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return ret;
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}
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void run_storage_tests(boost::shared_ptr<torrent_info> info
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, file_storage& fs
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, std::string const& test_path
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@ -194,6 +197,10 @@ void run_storage_tests(boost::shared_ptr<torrent_info> info
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int num_pieces = fs.num_pieces();
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TEST_CHECK(info->num_pieces() == num_pieces);
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buf_ptr piece0 = new_piece(piece_size);
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buf_ptr piece1 = new_piece(piece_size);
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buf_ptr piece2 = new_piece(piece_size);
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aux::session_settings set;
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set.set_int(settings_pack::disk_io_write_mode
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, unbuffered ? settings_pack::disable_os_cache
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@ -224,11 +231,11 @@ void run_storage_tests(boost::shared_ptr<torrent_info> info
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int ret = 0;
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// write piece 1 (in slot 0)
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file::iovec_t iov = { piece1, half};
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file::iovec_t iov = { piece1.get(), half};
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ret = s->writev(&iov, 1, 0, 0, 0, ec);
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if (ret != half) print_error("writev", ret, ec);
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iov.iov_base = piece1 + half;
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iov.iov_base = piece1.get() + half;
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iov.iov_len = half;
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ret = s->writev(&iov, 1, 0, half, 0, ec);
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if (ret != half) print_error("writev", ret, ec);
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@ -238,7 +245,7 @@ void run_storage_tests(boost::shared_ptr<torrent_info> info
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iov.iov_len = piece_size - 9;
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ret = s->readv(&iov, 1, 0, 3, 0, ec);
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if (ret != piece_size - 9) print_error("readv",ret, ec);
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TEST_CHECK(std::equal(piece+3, piece + piece_size-9, piece1+3));
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TEST_CHECK(std::equal(piece+3, piece + piece_size-9, piece1.get()+3));
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// test unaligned read (where the bytes are not aligned)
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iov.iov_base = piece;
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@ -246,7 +253,7 @@ void run_storage_tests(boost::shared_ptr<torrent_info> info
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ret = s->readv(&iov, 1, 0, 3, 0, ec);
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TEST_CHECK(ret == piece_size - 9);
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if (ret != piece_size - 9) print_error("readv", ret, ec);
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TEST_CHECK(std::equal(piece, piece + piece_size-9, piece1+3));
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TEST_CHECK(std::equal(piece, piece + piece_size-9, piece1.get()+3));
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// verify piece 1
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iov.iov_base = piece;
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@ -254,15 +261,15 @@ void run_storage_tests(boost::shared_ptr<torrent_info> info
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ret = s->readv(&iov, 1, 0, 0, 0, ec);
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TEST_CHECK(ret == piece_size);
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if (ret != piece_size) print_error("readv", ret, ec);
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TEST_CHECK(std::equal(piece, piece + piece_size, piece1));
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TEST_CHECK(std::equal(piece, piece + piece_size, piece1.get()));
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// do the same with piece 0 and 2 (in slot 1 and 2)
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iov.iov_base = piece0;
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iov.iov_base = piece0.get();
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iov.iov_len = piece_size;
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ret = s->writev(&iov, 1, 1, 0, 0, ec);
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if (ret != piece_size) print_error("writev", ret, ec);
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iov.iov_base = piece2;
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iov.iov_base = piece2.get();
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iov.iov_len = piece_size;
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ret = s->writev(&iov, 1, 2, 0, 0, ec);
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if (ret != piece_size) print_error("writev", ret, ec);
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@ -272,13 +279,13 @@ void run_storage_tests(boost::shared_ptr<torrent_info> info
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iov.iov_len = piece_size;
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ret = s->readv(&iov, 1, 1, 0, 0, ec);
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if (ret != piece_size) print_error("readv", ret, ec);
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TEST_CHECK(std::equal(piece, piece + piece_size, piece0));
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TEST_CHECK(std::equal(piece, piece + piece_size, piece0.get()));
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iov.iov_base = piece;
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iov.iov_len = piece_size;
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ret = s->readv(&iov, 1, 2, 0, 0, ec);
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if (ret != piece_size) print_error("readv", ret, ec);
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TEST_CHECK(std::equal(piece, piece + piece_size, piece2));
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TEST_CHECK(std::equal(piece, piece + piece_size, piece2.get()));
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s->release_files(ec);
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}
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@ -416,17 +423,14 @@ void test_check_files(std::string const& test_path
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fs.add_file("temp_storage/test2.tmp", piece_size * 2);
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fs.add_file("temp_storage/test3.tmp", piece_size);
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char piece0[piece_size];
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char piece2[piece_size];
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std::generate(piece0, piece0 + piece_size, random_byte);
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std::generate(piece2, piece2 + piece_size, random_byte);
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buf_ptr piece0 = new_piece(piece_size);
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buf_ptr piece2 = new_piece(piece_size);
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libtorrent::create_torrent t(fs, piece_size, -1, 0);
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t.set_hash(0, hasher(piece0, piece_size).final());
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t.set_hash(0, hasher(piece0.get(), piece_size).final());
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t.set_hash(1, sha1_hash(0));
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t.set_hash(2, sha1_hash(0));
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t.set_hash(3, hasher(piece2, piece_size).final());
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t.set_hash(3, hasher(piece2.get(), piece_size).final());
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create_directory(combine_path(test_path, "temp_storage"), ec);
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if (ec) std::cerr << "create_directory: " << ec.message() << std::endl;
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@ -434,11 +438,11 @@ void test_check_files(std::string const& test_path
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std::ofstream f;
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f.open(combine_path(test_path, combine_path("temp_storage", "test1.tmp")).c_str()
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, std::ios::trunc | std::ios::binary);
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f.write(piece0, sizeof(piece0));
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f.write(piece0.get(), piece_size);
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f.close();
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f.open(combine_path(test_path, combine_path("temp_storage", "test3.tmp")).c_str()
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, std::ios::trunc | std::ios::binary);
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f.write(piece2, sizeof(piece2));
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f.write(piece2.get(), piece_size);
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f.close();
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std::vector<char> buf;
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@ -486,6 +490,11 @@ void run_test(bool unbuffered)
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boost::shared_ptr<torrent_info> info;
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buf_ptr piece0 = new_piece(piece_size);
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buf_ptr piece1 = new_piece(piece_size);
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buf_ptr piece2 = new_piece(piece_size);
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buf_ptr piece3 = new_piece(piece_size);
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{
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error_code ec;
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remove_all(combine_path(test_path, "temp_storage"), ec);
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@ -511,10 +520,10 @@ void run_test(bool unbuffered)
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libtorrent::create_torrent t(fs, piece_size, -1, 0);
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TEST_CHECK(t.num_pieces() == 4);
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t.set_hash(0, hasher(piece0, piece_size).final());
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t.set_hash(1, hasher(piece1, piece_size).final());
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t.set_hash(2, hasher(piece2, piece_size).final());
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t.set_hash(3, hasher(piece3, piece_size).final());
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t.set_hash(0, hasher(piece0.get(), piece_size).final());
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t.set_hash(1, hasher(piece1.get(), piece_size).final());
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t.set_hash(2, hasher(piece2.get(), piece_size).final());
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t.set_hash(3, hasher(piece3.get(), piece_size).final());
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std::vector<char> buf;
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bencode(std::back_inserter(buf), t.generate());
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@ -556,9 +565,9 @@ void run_test(bool unbuffered)
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fs.add_file(combine_path("temp_storage", "test1.tmp"), 3 * piece_size);
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libtorrent::create_torrent t(fs, piece_size, -1, 0);
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TEST_CHECK(fs.file_path(0) == combine_path("temp_storage", "test1.tmp"));
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t.set_hash(0, hasher(piece0, piece_size).final());
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t.set_hash(1, hasher(piece1, piece_size).final());
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t.set_hash(2, hasher(piece2, piece_size).final());
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t.set_hash(0, hasher(piece0.get(), piece_size).final());
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t.set_hash(1, hasher(piece1.get(), piece_size).final());
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t.set_hash(2, hasher(piece2.get(), piece_size).final());
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std::vector<char> buf;
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bencode(std::back_inserter(buf), t.generate());
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@ -863,6 +872,17 @@ void fill_pattern(file::iovec_t* iov, int num_bufs)
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}
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}
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bool check_pattern(std::vector<char> const& buf, int counter)
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{
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unsigned char* p = (unsigned char*)&buf[0];
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for (int k = 0; k < int(buf.size()); ++k)
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{
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if (p[k] != (counter & 0xff)) return false;
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++counter;
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}
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return true;
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}
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void fill_pattern2(file::iovec_t* iov, int num_bufs)
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{
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for (int i = 0; i < num_bufs; ++i)
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@ -978,35 +998,261 @@ TORRENT_TEST(iovec_advance_bufs)
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free_iov(iov1, 10);
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}
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TORRENT_TEST(storage)
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{
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// initialize test pieces
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for (char* p = piece0, *end(piece0 + piece_size); p < end; ++p)
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*p = random_byte();
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for (char* p = piece1, *end(piece1 + piece_size); p < end; ++p)
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*p = random_byte();
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for (char* p = piece2, *end(piece2 + piece_size); p < end; ++p)
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*p = random_byte();
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for (char* p = piece3, *end(piece3 + piece_size); p < end; ++p)
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*p = random_byte();
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std::vector<std::string> test_paths;
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char* env = std::getenv("TORRENT_TEST_PATHS");
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if (env == 0)
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{
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test_paths.push_back(current_working_directory());
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}
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else
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{
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char* p = std::strtok(env, ";");
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while (p != 0)
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{
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test_paths.push_back(complete(p));
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p = std::strtok(0, ";");
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}
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}
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}
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TORRENT_TEST(unbuffered) { run_test(true); }
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TORRENT_TEST(buffered) { run_test(false); }
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file_storage make_fs()
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{
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file_storage fs;
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fs.add_file(combine_path("readwritev", "1"), 3);
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fs.add_file(combine_path("readwritev", "2"), 9);
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fs.add_file(combine_path("readwritev", "3"), 81);
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fs.add_file(combine_path("readwritev", "4"), 6561);
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fs.set_piece_length(0x1000);
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fs.set_num_pieces((fs.total_size() + 0xfff) / 0x1000);
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return fs;
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}
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struct test_fileop : fileop
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{
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test_fileop(int stripe_size) : m_stripe_size(stripe_size) {}
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int file_op(int file_index, boost::int64_t file_offset, int size
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, file::iovec_t const* bufs, storage_error& ec)
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{
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if (file_index >= int(m_file_data.size()))
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{
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m_file_data.resize(file_index + 1);
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}
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const int write_size = (std::min)(m_stripe_size, size);
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std::vector<char>& file = m_file_data[file_index];
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if (file_offset + write_size > int(file.size()))
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{
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file.resize(file_offset + write_size);
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}
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int left = write_size;
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while (left > 0)
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{
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const int copy_size = (std::min)(left, int(bufs->iov_len));
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memcpy(&file[file_offset], bufs->iov_base, copy_size);
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++bufs;
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file_offset += copy_size;
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left -= copy_size;
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}
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return write_size;
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}
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int m_stripe_size;
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std::vector<std::vector<char> > m_file_data;
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};
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struct test_read_fileop : fileop
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{
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// EOF after size bytes read
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test_read_fileop(int size) : m_size(size), m_counter(0) {}
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int file_op(int file_index, boost::int64_t file_offset, int size
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, file::iovec_t const* bufs, storage_error& ec)
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{
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size = (std::min)(m_size, size);
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const int read = size;
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while (size > 0)
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{
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unsigned char* p = (unsigned char*)bufs->iov_base;
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const int len = (std::min)(int(bufs->iov_len), size);
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for (int i = 0; i < len; ++i)
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{
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p[i] = m_counter & 0xff;
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++m_counter;
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}
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size -= len;
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m_size -= len;
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++bufs;
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}
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return read;
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}
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int m_size;
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int m_counter;
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};
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struct test_error_fileop : fileop
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{
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// EOF after size bytes read
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test_error_fileop(int error_file)
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: m_error_file(error_file) {}
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int file_op(int file_index, boost::int64_t file_offset, int size
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, file::iovec_t const* bufs, storage_error& ec)
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{
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if (m_error_file == file_index)
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{
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ec.file = file_index;
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ec.ec.assign(boost::system::errc::permission_denied
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, boost::system::generic_category());
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ec.operation = storage_error::read;
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return -1;
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}
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return size;
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}
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int m_error_file;
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};
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int count_bufs(file::iovec_t const* bufs, int bytes)
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{
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int size = 0;
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int count = 1;
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if (bytes == 0) return 0;
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for (file::iovec_t const* i = bufs;; ++i, ++count)
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{
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size += i->iov_len;
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if (size >= bytes) return count;
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}
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}
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TORRENT_TEST(readwritev_stripe_1)
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{
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const int num_bufs = 30;
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file::iovec_t iov[num_bufs];
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alloc_iov(iov, num_bufs);
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fill_pattern(iov, num_bufs);
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file_storage fs = make_fs();
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test_fileop fop(1);
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storage_error ec;
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TEST_CHECK(bufs_size(iov, num_bufs) >= fs.total_size());
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file::iovec_t iov2[num_bufs];
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copy_bufs(iov, fs.total_size(), iov2);
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int num_bufs2 = count_bufs(iov2, fs.total_size());
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TEST_CHECK(num_bufs2 <= num_bufs);
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int ret = readwritev(fs, iov2, 0, 0, num_bufs2, fop, ec);
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TEST_EQUAL(ret, fs.total_size());
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TEST_EQUAL(fop.m_file_data.size(), 4);
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TEST_EQUAL(fop.m_file_data[0].size(), 3);
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||||
TEST_EQUAL(fop.m_file_data[1].size(), 9);
|
||||
TEST_EQUAL(fop.m_file_data[2].size(), 81);
|
||||
TEST_EQUAL(fop.m_file_data[3].size(), 6561);
|
||||
|
||||
TEST_CHECK(check_pattern(fop.m_file_data[0], 0));
|
||||
TEST_CHECK(check_pattern(fop.m_file_data[1], 3));
|
||||
TEST_CHECK(check_pattern(fop.m_file_data[2], 3 + 9));
|
||||
TEST_CHECK(check_pattern(fop.m_file_data[3], 3 + 9 + 81));
|
||||
|
||||
free_iov(iov, num_bufs);
|
||||
}
|
||||
|
||||
TORRENT_TEST(readwritev_single_buffer)
|
||||
{
|
||||
file_storage fs = make_fs();
|
||||
test_fileop fop(10000000);
|
||||
storage_error ec;
|
||||
|
||||
std::vector<char> buf(fs.total_size());
|
||||
file::iovec_t iov = { &buf[0], buf.size() };
|
||||
fill_pattern(&iov, 1);
|
||||
|
||||
int ret = readwritev(fs, &iov, 0, 0, 1, fop, ec);
|
||||
|
||||
TEST_EQUAL(ret, fs.total_size());
|
||||
TEST_EQUAL(fop.m_file_data.size(), 4);
|
||||
TEST_EQUAL(fop.m_file_data[0].size(), 3);
|
||||
TEST_EQUAL(fop.m_file_data[1].size(), 9);
|
||||
TEST_EQUAL(fop.m_file_data[2].size(), 81);
|
||||
TEST_EQUAL(fop.m_file_data[3].size(), 6561);
|
||||
|
||||
TEST_CHECK(check_pattern(fop.m_file_data[0], 0));
|
||||
TEST_CHECK(check_pattern(fop.m_file_data[1], 3));
|
||||
TEST_CHECK(check_pattern(fop.m_file_data[2], 3 + 9));
|
||||
TEST_CHECK(check_pattern(fop.m_file_data[3], 3 + 9 + 81));
|
||||
}
|
||||
|
||||
TORRENT_TEST(readwritev_read)
|
||||
{
|
||||
file_storage fs = make_fs();
|
||||
test_read_fileop fop(10000000);
|
||||
storage_error ec;
|
||||
|
||||
std::vector<char> buf(fs.total_size());
|
||||
file::iovec_t iov = { &buf[0], buf.size() };
|
||||
|
||||
// read everything
|
||||
int ret = readwritev(fs, &iov, 0, 0, 1, fop, ec);
|
||||
|
||||
TEST_EQUAL(ret, fs.total_size());
|
||||
TEST_CHECK(check_pattern(buf, 0));
|
||||
}
|
||||
|
||||
TORRENT_TEST(readwritev_read_short)
|
||||
{
|
||||
file_storage fs = make_fs();
|
||||
test_read_fileop fop(100);
|
||||
storage_error ec;
|
||||
|
||||
std::vector<char> buf(fs.total_size());
|
||||
file::iovec_t iov = { &buf[0]
|
||||
, static_cast<size_t>(fs.total_size()) };
|
||||
|
||||
// read everything
|
||||
int ret = readwritev(fs, &iov, 0, 0, 1, fop, ec);
|
||||
|
||||
TEST_EQUAL(ec.file, 3);
|
||||
|
||||
TEST_EQUAL(ret, 100);
|
||||
buf.resize(100);
|
||||
TEST_CHECK(check_pattern(buf, 0));
|
||||
}
|
||||
|
||||
TORRENT_TEST(readwritev_error)
|
||||
{
|
||||
file_storage fs = make_fs();
|
||||
test_error_fileop fop(2);
|
||||
storage_error ec;
|
||||
|
||||
std::vector<char> buf(fs.total_size());
|
||||
file::iovec_t iov = { &buf[0]
|
||||
, static_cast<size_t>(fs.total_size()) };
|
||||
|
||||
// read everything
|
||||
int ret = readwritev(fs, &iov, 0, 0, 1, fop, ec);
|
||||
|
||||
TEST_EQUAL(ret, -1);
|
||||
TEST_EQUAL(ec.file, 2);
|
||||
TEST_EQUAL(ec.operation, storage_error::read);
|
||||
TEST_EQUAL(ec.ec, boost::system::errc::permission_denied);
|
||||
printf("error: %s\n", ec.ec.message().c_str());
|
||||
}
|
||||
|
||||
TORRENT_TEST(readwritev_zero_size_files)
|
||||
{
|
||||
file_storage fs;
|
||||
fs.add_file(combine_path("readwritev", "1"), 3);
|
||||
fs.add_file(combine_path("readwritev", "2"), 0);
|
||||
fs.add_file(combine_path("readwritev", "3"), 81);
|
||||
fs.add_file(combine_path("readwritev", "4"), 0);
|
||||
fs.add_file(combine_path("readwritev", "5"), 6561);
|
||||
fs.set_piece_length(0x1000);
|
||||
fs.set_num_pieces((fs.total_size() + 0xfff) / 0x1000);
|
||||
test_read_fileop fop(10000000);
|
||||
storage_error ec;
|
||||
|
||||
std::vector<char> buf(fs.total_size());
|
||||
file::iovec_t iov = { &buf[0]
|
||||
, static_cast<size_t>(fs.total_size()) };
|
||||
|
||||
// read everything
|
||||
int ret = readwritev(fs, &iov, 0, 0, 1, fop, ec);
|
||||
|
||||
TEST_EQUAL(ret, fs.total_size());
|
||||
TEST_CHECK(check_pattern(buf, 0));
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue