premiere-libtorrent/test/test_torrent.cpp

#include "libtorrent/session.hpp"
#include "libtorrent/session_settings.hpp"
#include "libtorrent/hasher.hpp"
#include "libtorrent/create_torrent.hpp"
#include "libtorrent/alert_types.hpp"
#include <boost/thread.hpp>
#include <boost/tuple/tuple.hpp>

#include "test.hpp"
#include "setup_transfer.hpp"

using namespace libtorrent;

void test_running_torrent(boost::intrusive_ptr<torrent_info> info, size_type file_size)
{
	session ses(fingerprint("LT", 0, 1, 0, 0), std::make_pair(48130, 48140), "0.0.0.0", 0);
	ses.set_alert_mask(alert::storage_notification);

	add_torrent_params p;
	p.ti = info;
	p.save_path = ".";
	torrent_handle h = ses.add_torrent(p);

	test_sleep(500);
	torrent_status st = h.status();

	std::cout << "total_wanted: " << st.total_wanted << " : " << file_size * 3 << std::endl;
	TEST_CHECK(st.total_wanted == file_size * 3);
	std::cout << "total_wanted_done: " << st.total_wanted_done << " : 0" << std::endl;
	TEST_CHECK(st.total_wanted_done == 0);

	std::vector<int> prio(3, 1);
	prio[0] = 0;
	h.prioritize_files(prio);

	test_sleep(500);
	st = h.status();

	std::cout << "total_wanted: " << st.total_wanted << " : " << file_size * 2 << std::endl;
	TEST_CHECK(st.total_wanted == file_size * 2);
	std::cout << "total_wanted_done: " << st.total_wanted_done << " : 0" << std::endl;
	TEST_CHECK(st.total_wanted_done == 0);

	prio[1] = 0;
	h.prioritize_files(prio);

	test_sleep(500);
	st = h.status();

	std::cout << "total_wanted: " << st.total_wanted << " : " << file_size << std::endl;
	TEST_CHECK(st.total_wanted == file_size);
	std::cout << "total_wanted_done: " << st.total_wanted_done << " : 0" << std::endl;
	TEST_CHECK(st.total_wanted_done == 0);

	if (info->num_pieces() > 0)
	{
		h.piece_priority(0, 1);
		st = h.status();
		TEST_CHECK(st.pieces[0] == false);
		std::vector<char> piece(info->piece_length());
		for (int i = 0; i < int(piece.size()); ++i)
			piece[i] = (i % 26) + 'A';
		h.add_piece(0, &piece[0]);
		test_sleep(10000);
		st = h.status();
		TEST_CHECK(st.pieces[0] == true);

		std::cout << "reading piece 0" << std::endl;
		h.read_piece(0);
		alert const* a = ses.wait_for_alert(seconds(10));
		bool passed = false;
		while (a)
		{
			std::auto_ptr<alert> al = ses.pop_alert();
			assert(al.get());
			std::cout << "  " << al->message() << std::endl;
			if (read_piece_alert* rpa = dynamic_cast<read_piece_alert*>(al.get()))
			{
				std::cout << "SUCCEEDED!" << std::endl;
				passed = true;
				TEST_CHECK(memcmp(&piece[0], rpa->buffer.get(), piece.size()) == 0);
				TEST_CHECK(rpa->size == info->piece_size(0));
				TEST_CHECK(rpa->piece == 0);
				break;
			}
			a = ses.wait_for_alert(seconds(10));
			TEST_CHECK(a);
		}
		TEST_CHECK(passed);
	}
}

int test_main()
{
	{
		remove("test_torrent_dir2/tmp1");
		remove("test_torrent_dir2/tmp2");
		remove("test_torrent_dir2/tmp3");
		file_storage fs;
		size_type file_size = 1 * 1024 * 1024 * 1024;
		fs.add_file("test_torrent_dir2/tmp1", file_size);
		fs.add_file("test_torrent_dir2/tmp2", file_size);
		fs.add_file("test_torrent_dir2/tmp3", file_size);
		libtorrent::create_torrent t(fs, 4 * 1024 * 1024);
		t.add_tracker("http://non-existing.com/announce");

		std::vector<char> piece(4 * 1024 * 1024);
		for (int i = 0; i < int(piece.size()); ++i)
			piece[i] = (i % 26) + 'A';
		
		// calculate the hash for all pieces
		sha1_hash ph = hasher(&piece[0], piece.size()).final();
		int num = t.num_pieces();
		TEST_CHECK(t.num_pieces() > 0);
		for (int i = 0; i < num; ++i)
			t.set_hash(i, ph);

		std::vector<char> tmp;
		std::back_insert_iterator<std::vector<char> > out(tmp);
		bencode(out, t.generate());
		boost::intrusive_ptr<torrent_info> info(new torrent_info(&tmp[0], tmp.size()));
		TEST_CHECK(info->num_pieces() > 0);

		test_running_torrent(info, file_size);
	}

	{
		file_storage fs;

		fs.add_file("test_torrent_dir2/tmp1", 0);
		libtorrent::create_torrent t(fs, 4 * 1024 * 1024);
		t.add_tracker("http://non-existing.com/announce");

		std::vector<char> tmp;
		std::back_insert_iterator<std::vector<char> > out(tmp);
		bencode(out, t.generate());
		boost::intrusive_ptr<torrent_info> info(new torrent_info(&tmp[0], tmp.size()));
		test_running_torrent(info, 0);
	}

	return 0;
}