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premiere-libtorrent/test/setup_transfer.cpp

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#include <fstream>
#include <sstream>
#include "libtorrent/session.hpp"
#include "libtorrent/hasher.hpp"
#include <boost/thread.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/filesystem/operations.hpp>
#include <boost/filesystem/convenience.hpp>
#include "test.hpp"
#include "libtorrent/assert.hpp"
#include "libtorrent/alert_types.hpp"
#include "libtorrent/create_torrent.hpp"
using boost::filesystem::remove_all;
using boost::filesystem::create_directory;
using namespace libtorrent;
void print_alerts(libtorrent::session& ses, char const* name, bool allow_disconnects, bool allow_no_torrents)
{
std::vector<torrent_handle> handles = ses.get_torrents();
TEST_CHECK(!handles.empty() || allow_no_torrents);
torrent_handle h;
if (!handles.empty()) h = handles[0];
std::auto_ptr<alert> a;
a = ses.pop_alert();
while (a.get())
{
if (peer_disconnected_alert* p = dynamic_cast<peer_disconnected_alert*>(a.get()))
{
std::cerr << name << "(" << p->ip << "): " << p->msg() << "\n";
}
else if (a->msg() != "block downloading"
&& a->msg() != "block finished"
&& a->msg() != "piece finished")
{
std::cerr << name << ": " << a->msg() << "\n";
}
TEST_CHECK(dynamic_cast<peer_error_alert*>(a.get()) == 0
|| (!handles.empty() && h.is_seed())
|| a->msg() == "connecting to peer"
|| a->msg() == "closing connection to ourself"
|| a->msg() == "duplicate connection"
|| a->msg() == "duplicate peer-id, connection closed"
|| (allow_disconnects && a->msg() == "Broken pipe")
|| (allow_disconnects && a->msg() == "Connection reset by peer")
|| (allow_disconnects && a->msg() == "End of file."));
a = ses.pop_alert();
}
}
void test_sleep(int millisec)
{
boost::xtime xt;
boost::xtime_get(&xt, boost::TIME_UTC);
boost::uint64_t nanosec = (millisec % 1000) * 1000000 + xt.nsec;
int sec = millisec / 1000;
if (nanosec > 1000000000)
{
nanosec -= 1000000000;
sec++;
}
xt.nsec = nanosec;
xt.sec += sec;
boost::thread::sleep(xt);
}
void stop_web_server(int port)
{
std::stringstream cmd;
cmd << "kill `cat ./lighty" << port << ".pid` >/dev/null";
system(cmd.str().c_str());
}
void start_web_server(int port, bool ssl)
{
stop_web_server(port);
if (ssl)
{
system("echo . > tmp");
system("echo test province >>tmp");
system("echo test city >> tmp");
system("echo test company >> tmp");
system("echo test department >> tmp");
system("echo tester >> tmp");
system("echo test@test.com >> tmp");
system("openssl req -new -x509 -keyout server.pem -out server.pem "
"-days 365 -nodes <tmp");
}
std::ofstream f("lighty_config");
f << "server.modules = (\"mod_access\", \"mod_redirect\", \"mod_setenv\")\n"
"server.document-root = \"" << boost::filesystem::initial_path().string() << "\"\n"
"server.range-requests = \"enable\"\n"
"server.port = " << port << "\n"
"server.pid-file = \"./lighty" << port << ".pid\"\n"
"url.redirect = ("
"\"^/redirect$\" => \"" << (ssl?"https":"http") << "://127.0.0.1:" << port << "/test_file\""
", \"^/infinite_redirect$\" => \"" << (ssl?"https":"http") << "://127.0.0.1:" << port << "/infinite_redirect\""
", \"^/relative/redirect$\" => \"../test_file\""
")\n"
"$HTTP[\"url\"] == \"/test_file.gz\" {\n"
" setenv.add-response-header = ( \"Content-Encoding\" => \"gzip\" )\n"
"# mimetype.assign = ()\n"
"}\n";
// this requires lighttpd to be built with ssl support.
// The port distribution for mac is not built with ssl
// support by default.
if (ssl)
f << "ssl.engine = \"enable\"\n"
"ssl.pemfile = \"server.pem\"\n";
f.close();
system("lighttpd -f lighty_config &");
test_sleep(1000);
}
void stop_proxy(int port)
{
std::stringstream cmd;
cmd << "delegated -P" << port << " -Fkill";
system(cmd.str().c_str());
}
void start_proxy(int port, int proxy_type)
{
using namespace libtorrent;
stop_proxy(port);
std::stringstream cmd;
// we need to echo n since dg will ask us to configure it
cmd << "echo n | delegated -P" << port << " ADMIN=test@test.com "
"PERMIT=\"*:*:localhost\" REMITTABLE=+,https RELAY=proxy,delegate";
switch (proxy_type)
{
case proxy_settings::socks4:
cmd << " SERVER=socks4";
break;
case proxy_settings::socks5:
cmd << " SERVER=socks5";
break;
case proxy_settings::socks5_pw:
cmd << " SERVER=socks5 AUTHORIZER=-list{testuser:testpass}";
break;
case proxy_settings::http:
cmd << " SERVER=http";
break;
case proxy_settings::http_pw:
cmd << " SERVER=http AUTHORIZER=-list{testuser:testpass}";
break;
}
system(cmd.str().c_str());
test_sleep(1000);
}
using namespace libtorrent;
template <class T>
boost::intrusive_ptr<T> clone_ptr(boost::intrusive_ptr<T> const& ptr)
{
return boost::intrusive_ptr<T>(new T(*ptr));
}
boost::intrusive_ptr<torrent_info> create_torrent(std::ostream* file, int piece_size)
{
char const* tracker_url = "http://non-existent-name.com/announce";
using namespace boost::filesystem;
file_storage fs;
int total_size = 2 * 1024 * 1024;
fs.add_file(path("temporary"), total_size);
libtorrent::create_torrent t(fs, piece_size);
t.add_tracker(tracker_url);
std::vector<char> piece(piece_size);
for (int i = 0; i < int(piece.size()); ++i)
piece[i] = (i % 26) + 'A';
// calculate the hash for all pieces
int num = t.num_pieces();
sha1_hash ph = hasher(&piece[0], piece.size()).final();
for (int i = 0; i < num; ++i)
t.set_hash(i, ph);
if (file)
{
while (total_size > 0)
{
file->write(&piece[0], (std::min)(int(piece.size()), total_size));
total_size -= piece.size();
}
}
std::vector<char> tmp;
std::back_insert_iterator<std::vector<char> > out(tmp);
bencode(out, t.generate());
return boost::intrusive_ptr<torrent_info>(new torrent_info(&tmp[0], tmp.size()));
}
boost::tuple<torrent_handle, torrent_handle, torrent_handle>
setup_transfer(session* ses1, session* ses2, session* ses3
, bool clear_files, bool use_metadata_transfer, bool connect_peers
, std::string suffix, int piece_size)
{
using namespace boost::filesystem;
assert(ses1);
assert(ses2);
assert(ses1->id() != ses2->id());
if (ses3)
assert(ses3->id() != ses2->id());
create_directory("./tmp1" + suffix);
std::ofstream file(("./tmp1" + suffix + "/temporary").c_str());
boost::intrusive_ptr<torrent_info> t = ::create_torrent(&file, piece_size);
file.close();
if (clear_files)
{
remove_all("./tmp2" + suffix + "/temporary");
remove_all("./tmp3" + suffix + "/temporary");
}
std::cerr << "generated torrent: " << t->info_hash() << std::endl;
ses1->set_severity_level(alert::debug);
ses2->set_severity_level(alert::debug);
// they should not use the same save dir, because the
// file pool will complain if two torrents are trying to
// use the same files
sha1_hash info_hash = t->info_hash();
torrent_handle tor1 = ses1->add_torrent(clone_ptr(t), "./tmp1" + suffix);
TEST_CHECK(!ses1->get_torrents().empty());
torrent_handle tor2;
torrent_handle tor3;
if (ses3)
{
tor3 = ses3->add_torrent(clone_ptr(t), "./tmp3" + suffix);
TEST_CHECK(!ses3->get_torrents().empty());
}
if (use_metadata_transfer)
tor2 = ses2->add_torrent("http://non-existent-name.com/announce"
, t->info_hash(), 0, "./tmp2" + suffix);
else
tor2 = ses2->add_torrent(clone_ptr(t), "./tmp2" + suffix);
TEST_CHECK(!ses2->get_torrents().empty());
assert(ses1->get_torrents().size() == 1);
assert(ses2->get_torrents().size() == 1);
test_sleep(100);
if (connect_peers)
{
std::cerr << "connecting peer\n";
tor1.connect_peer(tcp::endpoint(address::from_string("127.0.0.1")
, ses2->listen_port()));
if (ses3)
{
// give the other peers some time to get an initial
// set of pieces before they start sharing with each-other
tor3.connect_peer(tcp::endpoint(
address::from_string("127.0.0.1")
, ses2->listen_port()));
tor3.connect_peer(tcp::endpoint(
address::from_string("127.0.0.1")
, ses1->listen_port()));
}
}
return boost::make_tuple(tor1, tor2, tor3);
}
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