premiere-libtorrent/test/test_checking.cpp

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/*
Copyright (c) 2013, 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/session.hpp"
#include "test.hpp"
#include "setup_transfer.hpp"
#include "libtorrent/create_torrent.hpp"
#include <sys/stat.h> // for chmod
#include "libtorrent/torrent_info.hpp"
#include "libtorrent/torrent_status.hpp"
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static const int file_sizes[] =
{ 5, 16 - 5, 16000, 17, 10, 8000, 8000, 1,1,1,1,1,100,1,1,1,1,100,1,1,1,1,1,1
,1,1,1,1,1,1,13,65000,34,75,2,30,400,500,23000,900,43000,400,4300,6, 4};
const int num_files = sizeof(file_sizes)/sizeof(file_sizes[0]);
enum
{
// make sure we don't accidentally require files to be writable just to
// check their hashes
read_only_files = 1,
// make sure we detect corrupt files and mark the appropriate pieces
// as not had
corrupt_files = 2,
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incomplete_files = 4,
};
void test_checking(int flags = read_only_files)
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{
using namespace libtorrent;
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namespace lt = libtorrent;
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fprintf(stderr, "\n==== TEST CHECKING %s%s%s=====\n\n"
, (flags & read_only_files) ? "read-only-files ":""
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, (flags & corrupt_files) ? "corrupt ":""
, (flags & incomplete_files) ? "incomplete ":"");
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// make the files writable again
for (int i = 0; i < num_files; ++i)
{
char name[1024];
snprintf(name, sizeof(name), "test%d", i);
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char dirname[200];
snprintf(dirname, sizeof(dirname), "test_dir%d", i / 5);
std::string path = combine_path(combine_path("tmp1_checking", "test_torrent_dir"), dirname);
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path = combine_path(path, name);
#ifdef TORRENT_WINDOWS
SetFileAttributesA(path.c_str(), FILE_ATTRIBUTE_NORMAL);
#else
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chmod(path.c_str(), S_IRUSR | S_IWUSR);
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#endif
}
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// in case the previous run was terminated
error_code ec;
remove_all("tmp1_checking", ec);
if (ec) fprintf(stderr, "ERROR: removing tmp1_checking: (%d) %s\n"
, ec.value(), ec.message().c_str());
create_directory("tmp1_checking", ec);
if (ec) fprintf(stderr, "ERROR: creating directory tmp1_checking: (%d) %s\n"
, ec.value(), ec.message().c_str());
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create_directory(combine_path("tmp1_checking", "test_torrent_dir"), ec);
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if (ec) fprintf(stderr, "ERROR: creating directory test_torrent_dir: (%d) %s\n"
, ec.value(), ec.message().c_str());
file_storage fs;
std::srand(10);
int piece_size = 0x4000;
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create_random_files(combine_path("tmp1_checking", "test_torrent_dir")
, file_sizes, num_files);
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add_files(fs, combine_path("tmp1_checking", "test_torrent_dir"));
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libtorrent::create_torrent t(fs, piece_size, 0x4000, libtorrent::create_torrent::optimize);
// calculate the hash for all pieces
set_piece_hashes(t, "tmp1_checking", ec);
if (ec) fprintf(stderr, "ERROR: set_piece_hashes: (%d) %s\n"
, ec.value(), ec.message().c_str());
std::vector<char> buf;
bencode(std::back_inserter(buf), t.generate());
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boost::shared_ptr<torrent_info> ti(new torrent_info(&buf[0], buf.size(), ec));
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fprintf(stderr, "generated torrent: %s tmp1_checking/test_torrent_dir\n"
, to_hex(ti->info_hash().to_string()).c_str());
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// truncate every file in half
if (flags & incomplete_files)
{
for (int i = 0; i < num_files; ++i)
{
char name[1024];
snprintf(name, sizeof(name), "test%d", i);
char dirname[200];
snprintf(dirname, sizeof(dirname), "test_dir%d", i / 5);
std::string path = combine_path(combine_path("tmp1_checking", "test_torrent_dir"), dirname);
path = combine_path(path, name);
error_code ec;
file f(path, file::read_write, ec);
if (ec) fprintf(stderr, "ERROR: opening file \"%s\": (%d) %s\n"
, path.c_str(), ec.value(), ec.message().c_str());
f.set_size(file_sizes[i] / 2, ec);
if (ec) fprintf(stderr, "ERROR: truncating file \"%s\": (%d) %s\n"
, path.c_str(), ec.value(), ec.message().c_str());
}
}
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// overwrite the files with new random data
if (flags & corrupt_files)
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{
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fprintf(stderr, "corrupt file test. overwriting files\n");
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// increase the size of some files. When they're read only that forces
// the checker to open them in write-mode to truncate them
static const int file_sizes2[] =
{ 5, 16 - 5, 16001, 30, 10, 8000, 8000, 1,1,1,1,1,100,1,1,1,1,100,1,1,1,1,1,1
,1,1,1,1,1,1,13,65000,34,75,2,30,400,500,23000,900,43000,400,4300,6, 4};
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create_random_files(combine_path("tmp1_checking", "test_torrent_dir"), file_sizes2, num_files);
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}
// make the files read only
if (flags & read_only_files)
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{
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fprintf(stderr, "making files read-only\n");
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for (int i = 0; i < num_files; ++i)
{
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char name[1024];
snprintf(name, sizeof(name), "test%d", i);
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char dirname[200];
snprintf(dirname, sizeof(dirname), "test_dir%d", i / 5);
std::string path = combine_path(combine_path("tmp1_checking", "test_torrent_dir"), dirname);
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path = combine_path(path, name);
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fprintf(stderr, " %s\n", path.c_str());
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#ifdef TORRENT_WINDOWS
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SetFileAttributesA(path.c_str(), FILE_ATTRIBUTE_READONLY);
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#else
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chmod(path.c_str(), S_IRUSR);
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#endif
}
}
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int mask = alert::all_categories
& ~(alert::progress_notification
| alert::performance_warning
| alert::stats_notification);
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settings_pack pack;
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pack.set_bool(settings_pack::enable_lsd, false);
pack.set_bool(settings_pack::enable_natpmp, false);
pack.set_bool(settings_pack::enable_upnp, false);
pack.set_bool(settings_pack::enable_dht, false);
pack.set_int(settings_pack::alert_mask, mask);
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pack.set_str(settings_pack::listen_interfaces, "0.0.0.0:48000");
pack.set_int(settings_pack::max_retry_port_bind, 1000);
lt::session ses1(pack);
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add_torrent_params p;
p.save_path = "tmp1_checking";
p.ti = ti;
torrent_handle tor1 = ses1.add_torrent(p, ec);
TEST_CHECK(!ec);
torrent_status st;
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for (int i = 0; i < 20; ++i)
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{
print_alerts(ses1, "ses1");
st = tor1.status();
printf("%d %f %s\n", st.state, st.progress_ppm / 10000.f, st.errc.message().c_str());
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if (
#ifndef TORRENT_NO_DEPRECATE
st.state != torrent_status::queued_for_checking &&
#endif
st.state != torrent_status::checking_files
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&& st.state != torrent_status::checking_resume_data)
break;
if (st.errc) break;
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test_sleep(500);
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}
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if (flags & incomplete_files)
{
TEST_CHECK(!st.is_seeding);
test_sleep(500);
st = tor1.status();
TEST_CHECK(!st.is_seeding);
}
if (flags & corrupt_files)
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{
TEST_CHECK(!st.is_seeding);
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if (flags & read_only_files)
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{
// we expect our checking of the files to trigger
// attempts to truncate them, since the files are
// read-only here, we expect the checking to fail.
TEST_CHECK(st.errc);
if (st.errc)
fprintf(stderr, "error: %s\n", st.errc.message().c_str());
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// wait a while to make sure libtorrent survived the error
test_sleep(1000);
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st = tor1.status();
TEST_CHECK(!st.is_seeding);
TEST_CHECK(st.errc);
if (st.errc)
fprintf(stderr, "error: %s\n", st.errc.message().c_str());
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}
else
{
TEST_CHECK(!st.errc);
if (st.errc)
fprintf(stderr, "error: %s\n", st.errc.message().c_str());
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}
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}
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if ((flags & (incomplete_files | corrupt_files)) == 0)
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{
TEST_CHECK(st.is_seeding);
if (st.errc)
fprintf(stderr, "error: %s\n", st.errc.message().c_str());
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}
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// make the files writable again
if (flags & read_only_files)
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{
for (int i = 0; i < num_files; ++i)
{
char name[1024];
snprintf(name, sizeof(name), "test%d", i);
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char dirname[200];
snprintf(dirname, sizeof(dirname), "test_dir%d", i / 5);
std::string path = combine_path(combine_path("tmp1_checking", "test_torrent_dir"), dirname);
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path = combine_path(path, name);
#ifdef TORRENT_WINDOWS
SetFileAttributesA(path.c_str(), FILE_ATTRIBUTE_NORMAL);
#else
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chmod(path.c_str(), S_IRUSR | S_IWUSR);
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#endif
}
}
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remove_all("tmp1_checking", ec);
if (ec) fprintf(stderr, "ERROR: removing tmp1_checking: (%d) %s\n"
, ec.value(), ec.message().c_str());
}
TORRENT_TEST(checking)
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{
test_checking();
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}
TORRENT_TEST(read_only_corrupt)
{
test_checking(read_only_files | corrupt_files);
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}
TORRENT_TEST(read_only)
{
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test_checking(read_only_files);
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}
TORRENT_TEST(incomplete)
{
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test_checking(incomplete_files);
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}
TORRENT_TEST(corrupt)
{
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test_checking(corrupt_files);
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}