forked from premiere/premiere-libtorrent
127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
#include <fstream>
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#include "libtorrent/session.hpp"
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#include "libtorrent/hasher.hpp"
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#include <boost/thread.hpp>
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#include <boost/tuple/tuple.hpp>
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#include <boost/filesystem/operations.hpp>
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#include <boost/filesystem/convenience.hpp>
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#include "test.hpp"
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#include "libtorrent/assert.hpp"
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using boost::filesystem::remove_all;
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using boost::filesystem::create_directory;
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void test_sleep(int millisec)
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{
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boost::xtime xt;
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boost::xtime_get(&xt, boost::TIME_UTC);
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boost::uint64_t nanosec = (millisec % 1000) * 1000000 + xt.nsec;
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int sec = millisec / 1000;
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if (nanosec > 1000000000)
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{
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nanosec -= 1000000000;
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sec++;
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}
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xt.nsec = nanosec;
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xt.sec += sec;
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boost::thread::sleep(xt);
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}
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using namespace libtorrent;
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template <class T>
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boost::intrusive_ptr<T> clone_ptr(boost::intrusive_ptr<T> const& ptr)
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{
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return boost::intrusive_ptr<T>(new T(*ptr));
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}
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boost::tuple<torrent_handle, torrent_handle, torrent_handle>
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setup_transfer(session* ses1, session* ses2, session* ses3
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, bool clear_files, bool use_metadata_transfer)
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{
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using namespace boost::filesystem;
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assert(ses1);
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assert(ses2);
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assert(ses1->id() != ses2->id());
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if (ses3)
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assert(ses3->id() != ses2->id());
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char const* tracker_url = "http://non-existent-name.com/announce";
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boost::intrusive_ptr<torrent_info> t(new torrent_info);
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int total_size = 2 * 1024 * 1024;
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t->add_file(path("temporary"), total_size);
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t->set_piece_size(16 * 1024);
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t->add_tracker(tracker_url);
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std::vector<char> piece(16 * 1024);
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for (int i = 0; i < int(piece.size()); ++i)
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piece[i] = (i % 26) + 'A';
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// calculate the hash for all pieces
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int num = t->num_pieces();
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sha1_hash ph = hasher(&piece[0], piece.size()).final();
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for (int i = 0; i < num; ++i)
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t->set_hash(i, ph);
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create_directory("./tmp1");
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std::ofstream file("./tmp1/temporary");
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while (total_size > 0)
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{
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file.write(&piece[0], (std::min)(int(piece.size()), total_size));
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total_size -= piece.size();
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}
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file.close();
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if (clear_files) remove_all("./tmp2/temporary");
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t->create_torrent();
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std::cerr << "generated torrent: " << t->info_hash() << std::endl;
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ses1->set_severity_level(alert::debug);
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ses2->set_severity_level(alert::debug);
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// they should not use the same save dir, because the
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// file pool will complain if two torrents are trying to
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// use the same files
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sha1_hash info_hash = t->info_hash();
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torrent_handle tor1 = ses1->add_torrent(clone_ptr(t), "./tmp1");
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torrent_handle tor2;
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torrent_handle tor3;
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if (ses3) tor3 = ses3->add_torrent(clone_ptr(t), "./tmp3");
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if (use_metadata_transfer)
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tor2 = ses2->add_torrent(tracker_url
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, t->info_hash(), 0, "./tmp2");
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else
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tor2 = ses2->add_torrent(clone_ptr(t), "./tmp2");
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assert(ses1->get_torrents().size() == 1);
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assert(ses2->get_torrents().size() == 1);
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test_sleep(100);
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std::cerr << "connecting peer\n";
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tor1.connect_peer(tcp::endpoint(address::from_string("127.0.0.1")
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, ses2->listen_port()));
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if (ses3)
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{
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// give the other peers some time to get an initial
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// set of pieces before they start sharing with each-other
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tor3.connect_peer(tcp::endpoint(
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address::from_string("127.0.0.1")
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, ses2->listen_port()));
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tor3.connect_peer(tcp::endpoint(
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address::from_string("127.0.0.1")
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, ses1->listen_port()));
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}
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return boost::make_tuple(tor1, tor2, tor3);
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}
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