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premiere-libtorrent/test/test_storage.cpp

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/*
Copyright (c) 2008, Arvid Norberg
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the distribution.
* Neither the name of the author nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#include "libtorrent/storage.hpp"
#include "libtorrent/file_pool.hpp"
#include "libtorrent/hasher.hpp"
#include "libtorrent/session.hpp"
#include "libtorrent/alert_types.hpp"
#include "libtorrent/aux_/session_impl.hpp"
#include "libtorrent/create_torrent.hpp"
#include <boost/utility.hpp>
#include <boost/filesystem/operations.hpp>
#include <boost/filesystem/convenience.hpp>
#include <boost/thread/mutex.hpp>
#include "test.hpp"
#include "setup_transfer.hpp"
using namespace libtorrent;
using namespace boost::filesystem;
const int piece_size = 16 * 1024;
const int half = piece_size / 2;
char* piece0 = page_aligned_allocator::malloc(piece_size);
char* piece1 = page_aligned_allocator::malloc(piece_size);
char* piece2 = page_aligned_allocator::malloc(piece_size);
void on_read_piece(int ret, disk_io_job const& j, char const* data, int size)
{
std::cerr << "on_read_piece piece: " << j.piece << std::endl;
TEST_CHECK(ret == size);
if (ret > 0) TEST_CHECK(std::equal(j.buffer, j.buffer + ret, data));
}
void on_check_resume_data(int ret, disk_io_job const& j)
{
std::cerr << "on_check_resume_data ret: " << ret;
switch (ret)
{
case 0: std::cerr << " success" << std::endl; break;
case -1: std::cerr << " need full check" << std::endl; break;
case -2: std::cerr << " disk error: " << j.str
<< " file: " << j.error_file << std::endl; break;
case -3: std::cerr << " aborted" << std::endl; break;
}
}
void on_check_files(int ret, disk_io_job const& j)
{
std::cerr << "on_check_files ret: " << ret;
switch (ret)
{
case 0: std::cerr << " done" << std::endl; break;
case -1: std::cerr << " current slot: " << j.piece << " have: " << j.offset << std::endl; break;
case -2: std::cerr << " disk error: " << j.str
<< " file: " << j.error_file << std::endl; break;
case -3: std::cerr << " aborted" << std::endl; break;
}
}
void on_move_storage(int ret, disk_io_job const& j, std::string path)
{
std::cerr << "on_move_storage ret: " << ret << " path: " << j.str << std::endl;
TEST_CHECK(ret == 0);
TEST_CHECK(j.str == path);
}
void print_error(int ret, boost::scoped_ptr<storage_interface> const& s)
{
std::cerr << "returned: " << ret
<< " error: " << s->error().message()
<< " file: " << s->error_file()
<< std::endl;
}
void run_storage_tests(boost::intrusive_ptr<torrent_info> info
, file_storage& fs
, path const& test_path
, libtorrent::storage_mode_t storage_mode
, bool unbuffered)
{
TORRENT_ASSERT(fs.num_files() > 0);
create_directory(test_path / "temp_storage");
int num_pieces = fs.num_pieces();
TEST_CHECK(info->num_pieces() == num_pieces);
session_settings set;
set.disk_io_write_mode = set.disk_io_read_mode
= unbuffered ? session_settings::disable_os_cache_for_aligned_files
: session_settings::enable_os_cache;
char* piece = page_aligned_allocator::malloc(piece_size);
{ // avoid having two storages use the same files
file_pool fp;
disk_buffer_pool dp(16 * 1024);
boost::scoped_ptr<storage_interface> s(
default_storage_constructor(fs, test_path, fp));
s->m_settings = &set;
s->m_disk_pool = &dp;
int ret = 0;
// write piece 1 (in slot 0)
ret = s->write(piece1, 0, 0, half);
if (ret != half) print_error(ret, s);
ret = s->write(piece1 + half, 0, half, half);
if (ret != half) print_error(ret, s);
// test unaligned read (where the bytes are aligned)
ret = s->read(piece + 3, 0, 3, piece_size-9);
if (ret != piece_size - 9) print_error(ret, s);
TEST_CHECK(std::equal(piece+3, piece + piece_size-9, piece1+3));
// test unaligned read (where the bytes are not aligned)
ret = s->read(piece, 0, 3, piece_size-9);
if (ret != piece_size - 9) print_error(ret, s);
TEST_CHECK(std::equal(piece, piece + piece_size-9, piece1+3));
// verify piece 1
ret = s->read(piece, 0, 0, piece_size);
if (ret != piece_size) print_error(ret, s);
TEST_CHECK(std::equal(piece, piece + piece_size, piece1));
// do the same with piece 0 and 2 (in slot 1 and 2)
ret = s->write(piece0, 1, 0, piece_size);
if (ret != piece_size) print_error(ret, s);
ret = s->write(piece2, 2, 0, piece_size);
if (ret != piece_size) print_error(ret, s);
// verify piece 0 and 2
ret = s->read(piece, 1, 0, piece_size);
if (ret != piece_size) print_error(ret, s);
TEST_CHECK(std::equal(piece, piece + piece_size, piece0));
ret = s->read(piece, 2, 0, piece_size);
if (ret != piece_size) print_error(ret, s);
TEST_CHECK(std::equal(piece, piece + piece_size, piece2));
s->release_files();
}
// make sure the piece_manager can identify the pieces
{
file_pool fp;
libtorrent::asio::io_service ios;
disk_io_thread io(ios);
boost::shared_ptr<int> dummy(new int);
boost::intrusive_ptr<piece_manager> pm = new piece_manager(dummy, info
, test_path, fp, io, default_storage_constructor, storage_mode);
boost::mutex lock;
error_code ec;
lazy_entry frd;
pm->async_check_fastresume(&frd, &on_check_resume_data);
ios.reset();
ios.run(ec);
pm->async_check_files(&on_check_files);
for (int i = 0; i < 4; ++i)
{
ios.reset();
ios.run_one(ec);
}
ios.reset();
ios.poll(ec);
// test rename_file
remove(test_path / "part0");
TEST_CHECK(exists(test_path / "temp_storage/test1.tmp"));
TEST_CHECK(!exists(test_path / "part0"));
boost::function<void(int, disk_io_job const&)> none;
pm->async_rename_file(0, "part0", none);
test_sleep(1000);
ios.reset();
ios.poll(ec);
TEST_CHECK(!exists(test_path / "temp_storage/test1.tmp"));
TEST_CHECK(exists(test_path / "part0"));
// test move_storage with two files in the root directory
TEST_CHECK(exists(test_path / "temp_storage"));
pm->async_move_storage(test_path / "temp_storage2", bind(on_move_storage, _1, _2, (test_path / "temp_storage2").string()));
test_sleep(2000);
ios.reset();
ios.poll(ec);
if (fs.num_files() > 1)
{
TEST_CHECK(!exists(test_path / "temp_storage"));
TEST_CHECK(exists(test_path / "temp_storage2/temp_storage"));
}
TEST_CHECK(exists(test_path / "temp_storage2/part0"));
pm->async_move_storage(test_path, bind(on_move_storage, _1, _2, test_path.string()));
test_sleep(2000);
ios.reset();
ios.poll(ec);
TEST_CHECK(exists(test_path / "part0"));
TEST_CHECK(!exists(test_path / "temp_storage2/temp_storage"));
TEST_CHECK(!exists(test_path / "temp_storage2/part0"));
peer_request r;
r.piece = 0;
r.start = 0;
r.length = piece_size;
pm->async_read(r, bind(&on_read_piece, _1, _2, piece0, piece_size));
r.piece = 1;
pm->async_read(r, bind(&on_read_piece, _1, _2, piece1, piece_size));
r.piece = 2;
pm->async_read(r, bind(&on_read_piece, _1, _2, piece2, piece_size));
pm->async_release_files(none);
pm->async_rename_file(0, "temp_storage/test1.tmp", none);
test_sleep(2000);
ios.reset();
ios.poll(ec);
TEST_CHECK(!exists(test_path / "part0"));
TEST_CHECK(exists(test_path / "temp_storage/test1.tmp"));
ios.run(ec);
io.join();
remove_all(test_path / "temp_storage2");
remove_all(test_path / "part0");
}
page_aligned_allocator::free(piece);
}
void test_remove(path const& test_path, bool unbuffered)
{
file_storage fs;
fs.add_file("temp_storage/test1.tmp", 8);
fs.add_file("temp_storage/folder1/test2.tmp", 8);
fs.add_file("temp_storage/folder2/test3.tmp", 0);
fs.add_file("temp_storage/_folder3/test4.tmp", 0);
fs.add_file("temp_storage/_folder3/subfolder/test5.tmp", 8);
libtorrent::create_torrent t(fs, 4, -1, 0);
char buf[4] = {0, 0, 0, 0};
sha1_hash h = hasher(buf, 4).final();
for (int i = 0; i < 6; ++i) t.set_hash(i, h);
boost::intrusive_ptr<torrent_info> info(new torrent_info(t.generate()));
session_settings set;
set.disk_io_write_mode = set.disk_io_read_mode
= unbuffered ? session_settings::disable_os_cache_for_aligned_files
: session_settings::enable_os_cache;
file_pool fp;
disk_buffer_pool dp(16 * 1024);
boost::scoped_ptr<storage_interface> s(
default_storage_constructor(fs, test_path, fp));
s->m_settings = &set;
s->m_disk_pool = &dp;
// allocate the files and create the directories
s->initialize(true);
TEST_CHECK(exists(test_path / "temp_storage/_folder3/subfolder/test5.tmp"));
TEST_CHECK(exists(test_path / "temp_storage/folder2/test3.tmp"));
s->delete_files();
TEST_CHECK(!exists(test_path / "temp_storage"));
}
namespace
{
void check_files_fill_array(int ret, disk_io_job const& j, bool* array, bool* done)
{
if (j.offset >= 0) array[j.offset] = true;
if (ret != -1)
{
*done = true;
return;
}
}
}
void test_check_files(path const& test_path
, libtorrent::storage_mode_t storage_mode
, bool unbuffered)
{
boost::intrusive_ptr<torrent_info> info;
const int piece_size = 16 * 1024;
remove_all(test_path / "temp_storage");
file_storage fs;
fs.add_file("temp_storage/test1.tmp", piece_size);
fs.add_file("temp_storage/test2.tmp", piece_size * 2);
fs.add_file("temp_storage/test3.tmp", piece_size);
char piece0[piece_size];
char piece2[piece_size];
std::generate(piece0, piece0 + piece_size, std::rand);
std::generate(piece2, piece2 + piece_size, std::rand);
libtorrent::create_torrent t(fs, piece_size, -1, 0);
t.set_hash(0, hasher(piece0, piece_size).final());
t.set_hash(1, sha1_hash(0));
t.set_hash(2, sha1_hash(0));
t.set_hash(3, hasher(piece2, piece_size).final());
create_directory(test_path / "temp_storage");
std::ofstream f;
f.open((test_path / "temp_storage/test1.tmp").string().c_str(), std::ios::trunc | std::ios::binary);
f.write(piece0, sizeof(piece0));
f.close();
f.open((test_path / "temp_storage/test3.tmp").string().c_str(), std::ios::trunc | std::ios::binary);
f.write(piece2, sizeof(piece2));
f.close();
info = new torrent_info(t.generate());
file_pool fp;
libtorrent::asio::io_service ios;
disk_io_thread io(ios);
boost::shared_ptr<int> dummy(new int);
boost::intrusive_ptr<piece_manager> pm = new piece_manager(dummy, info
, test_path, fp, io, default_storage_constructor, storage_mode);
boost::mutex lock;
error_code ec;
lazy_entry frd;
pm->async_check_fastresume(&frd, &on_check_resume_data);
ios.reset();
ios.run(ec);
bool pieces[4] = {false, false, false, false};
bool done = false;
pm->async_check_files(bind(&check_files_fill_array, _1, _2, pieces, &done));
while (!done)
{
ios.reset();
ios.run_one(ec);
}
TEST_CHECK(pieces[0] == true);
TEST_CHECK(pieces[1] == false);
TEST_CHECK(pieces[2] == false);
TEST_CHECK(pieces[3] == true);
io.join();
}
void run_test(path const& test_path, bool unbuffered)
{
std::cerr << "\n=== " << test_path.string() << " ===\n" << std::endl;
boost::intrusive_ptr<torrent_info> info;
{
remove_all(test_path / "temp_storage");
file_storage fs;
fs.add_file("temp_storage/test1.tmp", 17);
fs.add_file("temp_storage/test2.tmp", 612);
fs.add_file("temp_storage/test3.tmp", 0);
fs.add_file("temp_storage/test4.tmp", 0);
fs.add_file("temp_storage/test5.tmp", 3253);
fs.add_file("temp_storage/test6.tmp", 841);
const int last_file_size = 4 * piece_size - fs.total_size();
fs.add_file("temp_storage/test7.tmp", last_file_size);
libtorrent::create_torrent t(fs, piece_size, -1, 0);
t.set_hash(0, hasher(piece0, piece_size).final());
t.set_hash(1, hasher(piece1, piece_size).final());
t.set_hash(2, hasher(piece2, piece_size).final());
info = new torrent_info(t.generate());
std::cerr << "=== test 1 ===" << std::endl;
run_storage_tests(info, fs, test_path, storage_mode_compact, unbuffered);
// make sure the files have the correct size
TEST_CHECK(file_size(test_path / "temp_storage" / "test1.tmp") == 17);
TEST_CHECK(file_size(test_path / "temp_storage" / "test2.tmp") == 612);
TEST_CHECK(exists(test_path / "temp_storage/test3.tmp"));
TEST_CHECK(exists(test_path / "temp_storage/test4.tmp"));
TEST_CHECK(file_size(test_path / "temp_storage" / "test5.tmp") == 3253);
TEST_CHECK(file_size(test_path / "temp_storage" / "test6.tmp") == 841);
TEST_CHECK(file_size(test_path / "temp_storage" / "test7.tmp") == last_file_size - piece_size);
std::cerr << file_size(test_path / "temp_storage" / "test1.tmp") << std::endl;
std::cerr << file_size(test_path / "temp_storage" / "test2.tmp") << std::endl;
std::cerr << file_size(test_path / "temp_storage" / "test3.tmp") << std::endl;
std::cerr << file_size(test_path / "temp_storage" / "test4.tmp") << std::endl;
std::cerr << file_size(test_path / "temp_storage" / "test5.tmp") << std::endl;
std::cerr << file_size(test_path / "temp_storage" / "test6.tmp") << std::endl;
remove_all(test_path / "temp_storage");
}
// ==============================================
{
file_storage fs;
fs.add_file("temp_storage/test1.tmp", 3 * piece_size);
libtorrent::create_torrent t(fs, piece_size, -1, 0);
TEST_CHECK(fs.begin()->path == "temp_storage/test1.tmp");
t.set_hash(0, hasher(piece0, piece_size).final());
t.set_hash(1, hasher(piece1, piece_size).final());
t.set_hash(2, hasher(piece2, piece_size).final());
info = new torrent_info(t.generate());
std::cerr << "=== test 3 ===" << std::endl;
run_storage_tests(info, fs, test_path, storage_mode_compact, unbuffered);
TEST_CHECK(file_size(test_path / "temp_storage" / "test1.tmp") == piece_size * 3);
remove_all(test_path / "temp_storage");
// ==============================================
std::cerr << "=== test 4 ===" << std::endl;
run_storage_tests(info, fs, test_path, storage_mode_allocate, unbuffered);
std::cerr << file_size(test_path / "temp_storage" / "test1.tmp") << std::endl;
TEST_CHECK(file_size(test_path / "temp_storage" / "test1.tmp") == 3 * piece_size);
remove_all(test_path / "temp_storage");
}
// ==============================================
std::cerr << "=== test 5 ===" << std::endl;
test_remove(test_path, unbuffered);
// ==============================================
std::cerr << "=== test 6 ===" << std::endl;
test_check_files(test_path, storage_mode_sparse, unbuffered);
test_check_files(test_path, storage_mode_compact, unbuffered);
}
void test_fastresume(path const& test_path)
{
std::cout << "\n\n=== test fastresume ===" << std::endl;
remove_all(test_path / "tmp1");
create_directory(test_path / "tmp1");
std::ofstream file((test_path / "tmp1/temporary").external_file_string().c_str());
boost::intrusive_ptr<torrent_info> t = ::create_torrent(&file);
file.close();
TEST_CHECK(exists(test_path / "tmp1/temporary"));
entry resume;
{
session ses(fingerprint(" ", 0,0,0,0), 0);
ses.set_alert_mask(alert::all_categories);
torrent_handle h = ses.add_torrent(boost::intrusive_ptr<torrent_info>(new torrent_info(*t))
, test_path / "tmp1", entry()
, storage_mode_compact);
for (int i = 0; i < 10; ++i)
{
print_alerts(ses, "ses");
test_sleep(1000);
torrent_status s = h.status();
if (s.progress == 1.0f)
{
std::cout << "progress: 1.0f" << std::endl;
break;
}
}
resume = h.write_resume_data();
ses.remove_torrent(h, session::delete_files);
}
TEST_CHECK(!exists(test_path / "tmp1/temporary"));
resume.print(std::cout);
// make sure the fast resume check fails! since we removed the file
{
session ses(fingerprint(" ", 0,0,0,0), 0);
ses.set_alert_mask(alert::all_categories);
torrent_handle h = ses.add_torrent(t, test_path / "tmp1", resume
, storage_mode_compact);
std::auto_ptr<alert> a = ses.pop_alert();
ptime end = time_now() + seconds(20);
while (a.get() == 0 || dynamic_cast<fastresume_rejected_alert*>(a.get()) == 0)
{
if (ses.wait_for_alert(end - time_now()) == 0)
{
std::cerr << "wait_for_alert() expired" << std::endl;
break;
}
a = ses.pop_alert();
assert(a.get());
std::cerr << a->message() << std::endl;
}
TEST_CHECK(dynamic_cast<fastresume_rejected_alert*>(a.get()) != 0);
}
remove_all(test_path / "tmp1");
}
bool got_file_rename_alert(alert* a)
{
return dynamic_cast<libtorrent::file_renamed_alert*>(a)
|| dynamic_cast<libtorrent::file_rename_failed_alert*>(a);
}
void test_rename_file_in_fastresume(path const& test_path)
{
std::cout << "\n\n=== test rename file in fastresume ===" << std::endl;
remove_all(test_path / "tmp2");
create_directory(test_path / "tmp2");
std::ofstream file((test_path / "tmp2/temporary").external_file_string().c_str());
boost::intrusive_ptr<torrent_info> t = ::create_torrent(&file);
file.close();
TEST_CHECK(exists(test_path / "tmp2/temporary"));
entry resume;
{
session ses(fingerprint(" ", 0,0,0,0), 0);
ses.set_alert_mask(alert::all_categories);
torrent_handle h = ses.add_torrent(boost::intrusive_ptr<torrent_info>(new torrent_info(*t))
, test_path / "tmp2", entry()
, storage_mode_compact);
h.rename_file(0, "testing_renamed_files");
std::cout << "renaming file" << std::endl;
bool renamed = false;
for (int i = 0; i < 100; ++i)
{
if (print_alerts(ses, "ses", true, true, true, &got_file_rename_alert)) renamed = true;
test_sleep(1000);
torrent_status s = h.status();
if (s.state == torrent_status::seeding && renamed) return;
}
std::cout << "stop loop" << std::endl;
torrent_status s = h.status();
TEST_CHECK(s.state == torrent_status::seeding);
resume = h.write_resume_data();
ses.remove_torrent(h);
}
TEST_CHECK(!exists(test_path / "tmp2/temporary"));
TEST_CHECK(exists(test_path / "tmp2/testing_renamed_files"));
TEST_CHECK(resume.dict().find("mapped_files") != resume.dict().end());
resume.print(std::cout);
// make sure the fast resume check succeeds, even though we renamed the file
{
session ses(fingerprint(" ", 0,0,0,0), 0);
ses.set_alert_mask(alert::all_categories);
torrent_handle h = ses.add_torrent(t, test_path / "tmp2", resume
, storage_mode_compact);
for (int i = 0; i < 5; ++i)
{
print_alerts(ses, "ses");
test_sleep(1000);
}
torrent_status stat = h.status();
TEST_CHECK(stat.state == torrent_status::seeding);
resume = h.write_resume_data();
ses.remove_torrent(h);
}
TEST_CHECK(resume.dict().find("mapped_files") != resume.dict().end());
resume.print(std::cout);
remove_all(test_path / "tmp2");
}
int test_main()
{
// initialize test pieces
for (char* p = piece0, *end(piece0 + piece_size); p < end; ++p)
*p = rand();
for (char* p = piece1, *end(piece1 + piece_size); p < end; ++p)
*p = rand();
for (char* p = piece2, *end(piece2 + piece_size); p < end; ++p)
*p = rand();
std::vector<path> test_paths;
char* env = std::getenv("TORRENT_TEST_PATHS");
if (env == 0)
{
test_paths.push_back(initial_path<path>());
}
else
{
char* p = std::strtok(env, ";");
while (p != 0)
{
test_paths.push_back(complete(p));
p = std::strtok(0, ";");
}
}
std::for_each(test_paths.begin(), test_paths.end(), bind(&test_fastresume, _1));
std::for_each(test_paths.begin(), test_paths.end(), bind(&test_rename_file_in_fastresume, _1));
std::for_each(test_paths.begin(), test_paths.end(), bind(&run_test, _1, true));
std::for_each(test_paths.begin(), test_paths.end(), bind(&run_test, _1, false));
return 0;
}
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