allow bitfield with different number of pieces

libtorrent/src/bt_peer_connection.cpp

@@ -973,12 +973,14 @@ namespace libtorrent
 		m_statistics.received_bytes(0, received);
 		// if we don't have the metedata, we cannot
 		// verify the bitfield size
+		/* [MF] size may differ - client may know a different number of pieces
 		if (t->valid_metadata()
 			&& packet_size() - 1 != (t->torrent_file().num_pieces() + 7) / 8)
 		{
 			disconnect(errors::invalid_bitfield_size, 2);
 			return;
 		}
+		*/
 
 		if (!packet_finished()) return;
 
@@ -986,7 +988,7 @@ namespace libtorrent
 
 		bitfield bits;
 		bits.borrow_bytes((char*)recv_buffer.begin + 1
-			, t->valid_metadata()?get_bitfield().size():(packet_size()-1)*8);
+			, (packet_size()-1)*8);
 		
 		incoming_bitfield(bits);
 	}

libtorrent/src/disk_io_thread.cpp

@@ -2205,7 +2205,7 @@ namespace libtorrent
 					mutex::scoped_lock l(m_piece_mutex);
 					INVARIANT_CHECK;
 
-                    printf("disk_io_thread:hash for piece %d hash\n", j.piece);
+					//printf("disk_io_thread:hash for piece %d hash\n", j.piece);
 					cache_piece_index_t& idx = m_pieces.get<0>();
 					cache_piece_index_t::iterator i = find_cached_piece(m_pieces, j, l);
 					if (i != idx.end())

libtorrent/src/kademlia/node.cpp

@@ -406,7 +406,9 @@ void node_impl::announce(std::string const& trackerName, sha1_hash const& info_h
 #endif
 	printf("node_impl::announce '%s' host: %s:%d myself=%d\n", trackerName.c_str(), addr.to_string().c_str(), listen_port, myself);
 
+	if( !addr.is_unspecified() ) {
 		add_peer( trackerName, info_hash, addr, listen_port, seed );
+	}
 
 	// do not announce other peers, just add them to our local m_map.
 	if( myself ) {
@@ -1239,6 +1241,8 @@ void node_impl::incoming_request(msg const& m, entry& e)
 
 		if( msg_keys[mk_r]->string_value() == "tracker" ) {
 			lookup_peers(target, 20, reply, false, false);
+			entry::list_type& pe = reply["values"].list();
+			printf("tracker=> replying with %d peers\n", pe.size());
 		} else {
 			dht_storage_table_t::iterator i = m_storage_table.find(target);
 			if (i != m_storage_table.end())

libtorrent/src/peer_connection.cpp

@@ -539,7 +539,7 @@ namespace libtorrent
 		char buf[450];
 		snprintf(buf, sizeof(buf), "%s: %s\n", time_now_string(), usr);
         //(*m_logger) << buf;
-        //printf(buf);
+        printf(buf);
 	}
 #endif
 
@@ -1767,13 +1767,16 @@ namespace libtorrent
 	// --------- BITFIELD ----------
 	// -----------------------------
 
-	void peer_connection::incoming_bitfield(bitfield const& bits)
+	void peer_connection::incoming_bitfield(bitfield const& origbits)
 	{
 		INVARIANT_CHECK;
 
 		boost::shared_ptr<torrent> t = m_torrent.lock();
 		TORRENT_ASSERT(t);
 
+		// [MF] do a deep copy (sorry) - needed for resize below
+		bitfield bits(origbits);
+
 #ifndef TORRENT_DISABLE_EXTENSIONS
 		for (extension_list_t::iterator i = m_extensions.begin()
 			, end(m_extensions.end()); i != end; ++i)
@@ -1794,12 +1797,20 @@ namespace libtorrent
 
 		// if we don't have the metedata, we cannot
 		// verify the bitfield size
-		if (t->valid_metadata()
-			&& (bits.size() + 7) / 8 != (m_have_piece.size() + 7) / 8)
+		if (t->valid_metadata() &&
+			bits.size() != t->torrent_file().num_pieces() )
 		{
+			if( bits.size() > t->torrent_file().num_pieces() ) {
+				if(validatePostNumberForUser(t->name(), bits.size())) {
+					t->increase_num_pieces(bits.size());
+				} else {
 					disconnect(errors::invalid_bitfield_size, 2);
 					return;
 				}
+			} else {
+				bits.resize( t->torrent_file().num_pieces(), false);
+			}
+		}
 
 		if (m_bitfield_received)
 		{

libtorrent/src/storage.cpp

@@ -865,6 +865,7 @@ namespace libtorrent
 		, disk_buffer_holder& buffer
 		, boost::function<void(int, disk_io_job const&)> const& handler)
 	{
+		//printf("async_write: piece %d size %d\n", r.piece, r.length );
 		TORRENT_ASSERT(r.length <= 16 * 1024);
 		// the buffer needs to be allocated through the io_thread
 		TORRENT_ASSERT(m_io_thread.is_disk_buffer(buffer.get()));

libtorrent/src/torrent.cpp

@@ -1106,7 +1106,6 @@ namespace libtorrent
 
 		TORRENT_ASSERT(piece >= 0 && piece < m_torrent_file->num_pieces());
 		int piece_size = size;
-		int blocks_in_piece = (piece_size + block_size() - 1) / block_size();
 
 		// avoid crash trying to access the picker when there is none
 		if (!has_picker()) return;
@@ -1119,13 +1118,8 @@ namespace libtorrent
 		p.piece = piece;
 		p.start = 0;
 		picker().inc_refcount(piece, 0);
-		for (int i = 0; i < blocks_in_piece; ++i, p.start += block_size())
-		{
-			if (picker().is_finished(piece_block(piece, i))
-				&& (flags & torrent::overwrite_existing) == 0)
-				continue;
 
-			p.length = (std::min)(piece_size - p.start, int(block_size()));
+		p.length = piece_size;
 		char* buffer = m_ses.allocate_disk_buffer("add piece");
 		// out of memory
 		if (buffer == 0)
@@ -1137,10 +1131,10 @@ namespace libtorrent
 		std::memcpy(buffer, data + p.start, p.length);
 		filesystem().async_write(p, holder, boost::bind(&torrent::on_disk_write_complete
 				, shared_from_this(), _1, _2, p));
-			piece_block block(piece, i);
+		piece_block block(piece, 0);
 		picker().mark_as_downloading(block, 0, piece_picker::fast);
 		picker().mark_as_writing(block, 0);
-		}
+
 		async_verify_piece(piece, boost::bind(&torrent::piece_finished
 		  , shared_from_this(), piece, _1, p.length));
 		picker().dec_refcount(piece, 0);
@@ -1149,6 +1143,8 @@ namespace libtorrent
 	void torrent::on_disk_write_complete(int ret, disk_io_job const& j
 		, peer_request p)
 	{
+		//printf("on_disk_write_complete: size %d\n", j.buffer_size);
+
 		TORRENT_ASSERT(m_ses.is_network_thread());
 
 		INVARIANT_CHECK;

src/twister.cpp

@@ -146,6 +146,7 @@ torrent_handle startTorrentUser(std::string const &username)
         load_file(filename.c_str(), tparams.resume_data, ec);
 
         m_userTorrent[username] = ses->add_torrent(tparams);
+        m_userTorrent[username].force_dht_announce();
     }
     return m_userTorrent[username];
 }