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premiere-libtorrent/simulation/test_transfer.cpp

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/*
Copyright (c) 2015, 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 <array>
#include "test.hpp"
#include "create_torrent.hpp"
#include "settings.hpp"
#include "libtorrent/session.hpp"
#include "libtorrent/session_stats.hpp"
#include "libtorrent/deadline_timer.hpp"
#include "libtorrent/settings_pack.hpp"
#include "libtorrent/ip_filter.hpp"
#include "libtorrent/alert_types.hpp"
#include "libtorrent/aux_/proxy_settings.hpp"
#include "libtorrent/settings_pack.hpp"
#include "simulator/simulator.hpp"
#include "simulator/socks_server.hpp"
#include "setup_swarm.hpp"
using namespace sim;
namespace lt = libtorrent;
enum flags_t
{
ipv6 = 1,
};
template <typename Setup, typename HandleAlerts, typename Test>
void run_test(
Setup const& setup
, HandleAlerts const& on_alert
, Test const& test
, int flags = 0)
{
using namespace libtorrent;
lt::time_point start_time = lt::clock_type::now();
const bool use_ipv6 = flags & ipv6;
char const* peer0_ip[2] = { "50.0.0.1", "feed:face:baad:f00d::1" };
char const* peer1_ip[2] = { "50.0.0.2", "feed:face:baad:f00d::2" };
using asio::ip::address;
address peer0 = addr(peer0_ip[use_ipv6]);
address peer1 = addr(peer1_ip[use_ipv6]);
address proxy = (flags & ipv6) ? addr("2001::2") : addr("50.50.50.50");
// setup the simulation
sim::default_config network_cfg;
sim::simulation sim{network_cfg};
sim::asio::io_service ios0 { sim, peer0 };
sim::asio::io_service ios1 { sim, peer1 };
lt::session_proxy zombie[2];
sim::asio::io_service proxy_ios{sim, proxy };
sim::socks_server socks4(proxy_ios, 4444, 4);
sim::socks_server socks5(proxy_ios, 5555, 5);
// setup settings pack to use for the session (customization point)
lt::settings_pack pack = settings();
// disable utp by default
pack.set_bool(settings_pack::enable_outgoing_utp, false);
pack.set_bool(settings_pack::enable_incoming_utp, false);
// disable encryption by default
pack.set_bool(settings_pack::prefer_rc4, false);
pack.set_int(settings_pack::in_enc_policy, settings_pack::pe_disabled);
pack.set_int(settings_pack::out_enc_policy, settings_pack::pe_disabled);
pack.set_int(settings_pack::allowed_enc_level, settings_pack::pe_plaintext);
pack.set_str(settings_pack::listen_interfaces, peer0_ip[use_ipv6] + std::string(":6881"));
// create session
std::shared_ptr<lt::session> ses[2];
ses[0] = std::make_shared<lt::session>(pack, ios0);
pack.set_str(settings_pack::listen_interfaces, peer1_ip[use_ipv6] + std::string(":6881"));
ses[1] = std::make_shared<lt::session>(pack, ios1);
setup(*ses[0], *ses[1]);
// only monitor alerts for session 0 (the downloader)
ses[0]->set_alert_notify([&] { ios0.post([&] {
std::vector<lt::alert*> alerts;
ses[0]->pop_alerts(&alerts);
for (lt::alert const* a : alerts)
{
printf("%-3d [0] %s\n", int(lt::duration_cast<lt::seconds>(a->timestamp()
- start_time).count()), a->message().c_str());
if (auto ta = alert_cast<lt::torrent_added_alert>(a))
{
ta->handle.connect_peer(lt::tcp::endpoint(peer1, 6881));
}
// call the user handler
on_alert(*ses[0], a);
}
} ); } );
ses[1]->set_alert_notify([&] { ios0.post([&] {
std::vector<lt::alert*> alerts;
ses[1]->pop_alerts(&alerts);
for (lt::alert const* a : alerts)
{
printf("%-3d [1] %s\n", int(lt::duration_cast<lt::seconds>(a->timestamp()
- start_time).count()), a->message().c_str());
}
} ); } );
// the first peer is a downloader, the second peer is a seed
lt::add_torrent_params params = create_torrent(1);
params.flags &= ~lt::add_torrent_params::flag_auto_managed;
params.flags &= ~lt::add_torrent_params::flag_paused;
params.save_path = save_path(0);
ses[0]->async_add_torrent(params);
params.save_path = save_path(1);
ses[1]->async_add_torrent(params);
lt::deadline_timer timer(ios0);
timer.expires_from_now(lt::seconds(60));
timer.async_wait([&](lt::error_code const& ec)
{
test(ses);
// shut down
int idx = 0;
for (auto& s : ses)
{
s->set_alert_notify([]{});
zombie[idx++] = s->abort();
s.reset();
}
});
sim.run();
}
void utp_only(lt::session& ses)
{
using namespace libtorrent;
settings_pack p;
utp_only(p);
ses.apply_settings(p);
}
void enable_enc(lt::session& ses)
{
using namespace libtorrent;
settings_pack p;
enable_enc(p);
ses.apply_settings(p);
}
void filter_ips(lt::session& ses)
{
using namespace libtorrent;
ip_filter filter;
filter.add_rule(asio::ip::address_v4::from_string("50.0.0.1")
, asio::ip::address_v4::from_string("50.0.0.2"), ip_filter::blocked);
ses.set_ip_filter(filter);
}
void set_cache_size(lt::session& ses, int val)
{
using namespace libtorrent;
settings_pack pack;
pack.set_int(settings_pack::cache_size, val);
ses.apply_settings(pack);
}
int get_cache_size(lt::session& ses)
{
using namespace libtorrent;
std::vector<stats_metric> stats = session_stats_metrics();
int const read_cache_idx = find_metric_idx("disk.read_cache_blocks");
int const write_cache_idx = find_metric_idx("disk.write_cache_blocks");
TEST_CHECK(read_cache_idx >= 0);
TEST_CHECK(write_cache_idx >= 0);
ses.set_alert_notify([](){});
ses.post_session_stats();
std::vector<alert*> alerts;
ses.pop_alerts(&alerts);
int cache_size = -1;
for (auto const a : alerts)
{
if (auto const* st = alert_cast<session_stats_alert>(a))
{
cache_size = st->values[read_cache_idx];
cache_size += st->values[write_cache_idx];
break;
}
}
return cache_size;
}
void set_proxy(lt::session& ses, int proxy_type, int flags = 0, bool proxy_peer_connections = true)
{
// apply the proxy settings to session 0
using namespace libtorrent;
settings_pack p;
p.set_int(settings_pack::proxy_type, proxy_type);
if (proxy_type == settings_pack::socks4)
p.set_int(settings_pack::proxy_port, 4444);
else
p.set_int(settings_pack::proxy_port, 5555);
if (flags & ipv6)
p.set_str(settings_pack::proxy_hostname, "2001::2");
else
p.set_str(settings_pack::proxy_hostname, "50.50.50.50");
p.set_bool(settings_pack::proxy_hostnames, true);
p.set_bool(settings_pack::proxy_peer_connections, proxy_peer_connections);
p.set_bool(settings_pack::proxy_tracker_connections, true);
ses.apply_settings(p);
}
TORRENT_TEST(socks4_tcp)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1)
{
set_proxy(ses0, settings_pack::socks4);
filter_ips(ses1);
},
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
}
);
}
TORRENT_TEST(socks5_tcp)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1)
{
set_proxy(ses0, settings_pack::socks5);
filter_ips(ses1);
},
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
}
);
}
TORRENT_TEST(encryption_tcp)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1)
{ enable_enc(ses0); enable_enc(ses1); },
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
}
);
}
TORRENT_TEST(no_proxy_tcp_ipv6)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1) {},
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
},
ipv6
);
}
TORRENT_TEST(no_proxy_utp_ipv6)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1) {},
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
},
ipv6
);
}
// TODO: the socks server does not support IPv6 addresses yet
/*
TORRENT_TEST(socks5_tcp_ipv6)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1)
{
set_proxy(ses0, settings_pack::socks5);
filter_ips(ses1);
},
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
},
ipv6
);
}
*/
TORRENT_TEST(no_proxy_tcp)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1) {},
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
}
);
}
TORRENT_TEST(no_proxy_utp)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1) {},
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
}
);
}
// TODO: the socks server does not support UDP yet
/*
TORRENT_TEST(encryption_utp)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1)
{ enable_enc(ses0); enable_enc(ses1); utp_only(ses0); },
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
}
);
}
TORRENT_TEST(socks5_utp)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1)
{
set_proxy(ses0, settings_pack::socks5);
utp_only(ses0);
filter_ips(ses1);
},
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
}
);
}
*/
// the purpose of these tests is to make sure that the sessions can't actually
// talk directly to each other. i.e. they are negative tests. If they can talk
// directly to each other, all other tests in here may be broken.
TORRENT_TEST(no_proxy_tcp_banned)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1) { filter_ips(ses1); },
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), false);
}
);
}
TORRENT_TEST(no_proxy_utp_banned)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1) { filter_ips(ses1); },
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), false);
}
);
}
TORRENT_TEST(auto_disk_cache_size)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1) { set_cache_size(ses0, -1); },
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
int const cache_size = get_cache_size(*ses[0]);
printf("cache size: %d\n", cache_size);
// this assumes the test torrent is at least 4 blocks
TEST_CHECK(cache_size > 4);
}
);
}
TORRENT_TEST(disable_disk_cache)
{
using namespace libtorrent;
run_test(
[](lt::session& ses0, lt::session& ses1) { set_cache_size(ses0, 0); },
[](lt::session& ses, lt::alert const* alert) {},
[](std::shared_ptr<lt::session> ses[2]) {
TEST_EQUAL(is_seed(*ses[0]), true);
int const cache_size = get_cache_size(*ses[0]);
printf("cache size: %d\n", cache_size);
TEST_EQUAL(cache_size, 0);
}
);
}
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