libtorrent sync 1567, for many fixes, including upnp and run conditions

libtorrent/include/libtorrent/aux_/session_impl.hpp

@@ -185,7 +185,7 @@ namespace libtorrent
 			~session_impl();
 
 #ifndef TORRENT_DISABLE_EXTENSIONS
-			void add_extension(boost::function<boost::shared_ptr<torrent_plugin>(torrent*)> ext);
+			void add_extension(boost::function<boost::shared_ptr<torrent_plugin>(torrent*, void*)> ext);
 #endif
 			void operator()();
 
@@ -246,7 +246,8 @@ namespace libtorrent
 				, entry const& resume_data
 				, bool compact_mode
 				, storage_constructor_type sc
-				, bool paused);
+				, bool paused
+				, void* userdata);
 
 			torrent_handle add_torrent(
 				char const* tracker_url
@@ -256,7 +257,8 @@ namespace libtorrent
 				, entry const& resume_data
 				, bool compact_mode
 				, storage_constructor_type sc
-				, bool paused);
+				, bool paused
+				, void* userdata);
 
 			void remove_torrent(torrent_handle const& h);
 
@@ -519,7 +521,7 @@ namespace libtorrent
 
 #ifndef TORRENT_DISABLE_EXTENSIONS
 			typedef std::list<boost::function<boost::shared_ptr<
-				torrent_plugin>(torrent*)> > extension_list_t;
+				torrent_plugin>(torrent*, void*)> > extension_list_t;
 
 			extension_list_t m_extensions;
 #endif

libtorrent/include/libtorrent/broadcast_socket.hpp

@@ -52,6 +52,7 @@ namespace libtorrent
 	public:
 		broadcast_socket(asio::io_service& ios, udp::endpoint const& multicast_endpoint
 			, receive_handler_t const& handler);
+		~broadcast_socket() { close(); }
 
 		void send(char const* buffer, int size, asio::error_code& ec);
 		void close();

libtorrent/include/libtorrent/disk_io_thread.hpp

@@ -50,6 +50,7 @@ namespace libtorrent
 			, buffer_size(0)
 			, piece(0)
 			, offset(0)
+			, priority(0)
 		{}
 
 		enum action_t
@@ -72,6 +73,12 @@ namespace libtorrent
 		// to the error message
 		std::string str;
 
+		// priority decides whether or not this
+		// job will skip entries in the queue or
+		// not. It always skips in front of entries
+		// with lower priority
+		int priority;
+
 		// this is called when operation completes
 		boost::function<void(int, disk_io_job const&)> callback;
 	};

libtorrent/include/libtorrent/extensions.hpp

@@ -149,6 +149,12 @@ namespace libtorrent
 		virtual bool on_cancel(peer_request const& req)
 		{ return false; }
 	
+		virtual bool on_reject(peer_request const& req)
+		{ return false; }
+
+		virtual bool on_suggest(int index)
+		{ return false; }
+
 		// called when an extended message is received. If returning true,
 		// the message is not processed by any other plugin and if false
 		// is returned the next plugin in the chain will receive it to

libtorrent/include/libtorrent/extensions/metadata_transfer.hpp

@@ -48,7 +48,7 @@ namespace libtorrent
 {
 	struct torrent_plugin;
 	class torrent;
-	TORRENT_EXPORT boost::shared_ptr<torrent_plugin> create_metadata_plugin(torrent*);
+	TORRENT_EXPORT boost::shared_ptr<torrent_plugin> create_metadata_plugin(torrent*, void*);
 }
 
 #endif // TORRENT_METADATA_TRANSFER_HPP_INCLUDED

libtorrent/include/libtorrent/extensions/ut_pex.hpp

@@ -48,7 +48,7 @@ namespace libtorrent
 {
 	struct torrent_plugin;
 	class torrent;
-	TORRENT_EXPORT boost::shared_ptr<torrent_plugin> create_ut_pex_plugin(torrent*);
+	TORRENT_EXPORT boost::shared_ptr<torrent_plugin> create_ut_pex_plugin(torrent*, void*);
 }
 
 #endif // TORRENT_UT_PEX_EXTENSION_HPP_INCLUDED

libtorrent/include/libtorrent/peer_info.hpp

@@ -72,7 +72,8 @@ namespace libtorrent
 			dht = 0x2,
 			pex = 0x4,
 			lsd = 0x8,
-			resume_data = 0x10
+			resume_data = 0x10,
+			incoming = 0x20
 		};
 
 		int source;

libtorrent/include/libtorrent/piece_picker.hpp

@@ -233,7 +233,7 @@ namespace libtorrent
 		bool is_finished(piece_block block) const;
 
 		// marks this piece-block as queued for downloading
-		void mark_as_downloading(piece_block block, void* peer
+		bool mark_as_downloading(piece_block block, void* peer
 			, piece_state_t s);
 		void mark_as_writing(piece_block block, void* peer);
 		void mark_as_finished(piece_block block, void* peer);

libtorrent/include/libtorrent/session.hpp

@@ -150,7 +150,8 @@ namespace libtorrent
 			, entry const& resume_data = entry()
 			, bool compact_mode = true
 			, bool paused = false
-			, storage_constructor_type sc = default_storage_constructor);
+			, storage_constructor_type sc = default_storage_constructor
+			, void* userdata = 0);
 
 		torrent_handle add_torrent(
 			char const* tracker_url
@@ -160,7 +161,8 @@ namespace libtorrent
 			, entry const& resume_data = entry()
 			, bool compact_mode = true
 			, bool paused = false
-			, storage_constructor_type sc = default_storage_constructor);
+			, storage_constructor_type sc = default_storage_constructor
+			, void* userdata = 0);
 
 		session_proxy abort() { return session_proxy(m_impl); }
 
@@ -181,7 +183,7 @@ namespace libtorrent
 #endif
 
 #ifndef TORRENT_DISABLE_EXTENSIONS
-		void add_extension(boost::function<boost::shared_ptr<torrent_plugin>(torrent*)> ext);
+		void add_extension(boost::function<boost::shared_ptr<torrent_plugin>(torrent*, void*)> ext);
 #endif
 
 		void set_ip_filter(ip_filter const& f);

libtorrent/include/libtorrent/storage.hpp

@@ -202,7 +202,8 @@ namespace libtorrent
 		void async_read(
 			peer_request const& r
 			, boost::function<void(int, disk_io_job const&)> const& handler
-			, char* buffer = 0);
+			, char* buffer = 0
+			, int priority = 0);
 
 		void async_write(
 			peer_request const& r

libtorrent/src/broadcast_socket.cpp

@@ -60,8 +60,6 @@ namespace libtorrent
 		{
 			// ignore the loopback
 			if (i->endpoint().address() == address_v4((127 << 24) + 1)) continue;
-			// ignore addresses that are not on a local network
-			if (!is_local(i->endpoint().address())) continue;
 			// ignore non-IPv4 addresses
 			if (i->endpoint().address().is_v4()) break;
 		}
@@ -96,17 +94,24 @@ namespace libtorrent
 			if (ec) continue;
 			s->set_option(datagram_socket::reuse_address(true), ec);
 			if (ec) continue;
-			s->bind(udp::endpoint(*i, 0), ec);
+			s->bind(udp::endpoint(address_v4::any(), multicast_endpoint.port()), ec);
 			if (ec) continue;
 			s->set_option(join_group(multicast_endpoint.address()), ec);
 			if (ec) continue;
 			s->set_option(outbound_interface(i->to_v4()), ec);
 			if (ec) continue;
-			s->set_option(hops(255));
+			s->set_option(hops(255), ec);
+			if (ec) continue;
+			s->set_option(enable_loopback(true), ec);
+			if (ec) continue;
 			m_sockets.push_back(socket_entry(s));
 			socket_entry& se = m_sockets.back();
 			s->async_receive_from(asio::buffer(se.buffer, sizeof(se.buffer))
 				, se.remote, bind(&broadcast_socket::on_receive, this, &se, _1, _2));
+#ifndef NDEBUG
+//			std::cerr << "broadcast socket [ if: " << i->to_v4().to_string()
+//				<< " group: " << multicast_endpoint.address() << " ]" << std::endl;
+#endif
 		}
 	}
 
@@ -117,7 +122,9 @@ namespace libtorrent
 		{
 			asio::error_code e;
 			i->socket->send_to(asio::buffer(buffer, size), m_multicast_endpoint, 0, e);
+#ifndef NDEBUG
 //			std::cerr << " sending on " << i->socket->local_endpoint().address().to_string() << std::endl;
+#endif
 			if (e) ec = e;
 		}
 	}

libtorrent/src/bt_peer_connection.cpp

@@ -1221,7 +1221,7 @@ namespace libtorrent
 			{
 				tcp::endpoint adr(remote().address()
 					, (unsigned short)listen_port->integer());
-				t->get_policy().peer_from_tracker(adr, pid(), 0, 0);
+				t->get_policy().peer_from_tracker(adr, pid(), peer_info::incoming, 0);
 			}
 		}
 		// there should be a version too

libtorrent/src/disk_io_thread.cpp

@@ -89,8 +89,15 @@ namespace libtorrent
 	
 	namespace
 	{
+		// The semantic of this operator is:
+		// shouls lhs come before rhs in the job queue
 		bool operator<(disk_io_job const& lhs, disk_io_job const& rhs)
 		{
+			// NOTE: comparison inverted to make higher priority
+			// skip _in_front_of_ lower priority
+			if (lhs.priority > rhs.priority) return true;
+			if (lhs.priority < rhs.priority) return false;
+
 			if (lhs.storage.get() < rhs.storage.get()) return true;
 			if (lhs.storage.get() > rhs.storage.get()) return false;
 			if (lhs.piece < rhs.piece) return true;

libtorrent/src/file.cpp

@@ -247,19 +247,16 @@ namespace libtorrent
 
 		void set_size(size_type s)
 		{
-			size_type pos = tell();
-			// Only set size if current file size not equals s.
-			// 2 as "m" argument is to be sure seek() sets SEEK_END on
-			// all compilers.
-			if(s != seek(0, 2))
+#ifdef _WIN32
+#error file.cpp is for posix systems only. use file_win.cpp on windows
+#else
+			if (ftruncate(m_fd, s) < 0)
 			{
-				seek(s - 1);
-				char dummy = 0;
-				read(&dummy, 1);
-				seek(s - 1);
-				write(&dummy, 1);
+				std::stringstream msg;
+				msg << "ftruncate failed: '" << strerror(errno);
+				throw file_error(msg.str());
 			}
-			seek(pos);
+#endif
 		}
 
 		size_type seek(size_type offset, int m = 1)

libtorrent/src/metadata_transfer.cpp

@@ -556,7 +556,7 @@ namespace libtorrent { namespace
 namespace libtorrent
 {
 
-	boost::shared_ptr<torrent_plugin> create_metadata_plugin(torrent* t)
+	boost::shared_ptr<torrent_plugin> create_metadata_plugin(torrent* t, void*)
 	{
 		return boost::shared_ptr<torrent_plugin>(new metadata_plugin(*t));
 	}

libtorrent/src/peer_connection.cpp

@@ -687,6 +687,14 @@ namespace libtorrent
 		boost::shared_ptr<torrent> t = m_torrent.lock();
 		assert(t);
 
+#ifndef TORRENT_DISABLE_EXTENSIONS
+		for (extension_list_t::iterator i = m_extensions.begin()
+			, end(m_extensions.end()); i != end; ++i)
+		{
+			if ((*i)->on_reject(r)) return;
+		}
+#endif
+
 		std::deque<piece_block>::iterator i = std::find_if(
 			m_download_queue.begin(), m_download_queue.end()
 			, bind(match_request, boost::cref(r), _1, t->block_size()));
@@ -743,7 +751,7 @@ namespace libtorrent
 	void peer_connection::incoming_suggest(int index)
 	{
 		INVARIANT_CHECK;
-		
+
 #ifdef TORRENT_VERBOSE_LOGGING
 		(*m_logger) << time_now_string()
 			<< " <== SUGGEST_PIECE [ piece: " << index << " ]\n";
@@ -751,6 +759,14 @@ namespace libtorrent
 		boost::shared_ptr<torrent> t = m_torrent.lock();
 		if (!t) return;
 
+#ifndef TORRENT_DISABLE_EXTENSIONS
+		for (extension_list_t::iterator i = m_extensions.begin()
+			, end(m_extensions.end()); i != end; ++i)
+		{
+			if ((*i)->on_suggest(index)) return;
+		}
+#endif
+
 		if (t->have_piece(index)) return;
 		
 		if (m_suggested_pieces.size() > 9)
@@ -1647,7 +1663,9 @@ namespace libtorrent
 			state = piece_picker::slow;
 		}
 
-		t->picker().mark_as_downloading(block, peer_info_struct(), state);
+		if (!t->picker().mark_as_downloading(block, peer_info_struct(), state))
+			return;
+
 		if (t->alerts().should_post(alert::info))
 		{
 			t->alerts().post_alert(block_downloading_alert(t->get_handle(), 

libtorrent/src/piece_picker.cpp

@@ -1229,6 +1229,7 @@ namespace libtorrent
 
 	bool piece_picker::can_pick(int piece, std::vector<bool> const& bitmask) const
 	{
+		assert(piece >= 0 && piece < int(m_piece_map.size()));
 		return bitmask[piece]
 			&& !m_piece_map[piece].have()
 			&& !m_piece_map[piece].downloading
@@ -1554,7 +1555,7 @@ namespace libtorrent
 	}
 
 
-	void piece_picker::mark_as_downloading(piece_block block
+	bool piece_picker::mark_as_downloading(piece_block block
 		, void* peer, piece_state_t state)
 	{
 		TORRENT_PIECE_PICKER_INVARIANT_CHECK;
@@ -1589,6 +1590,9 @@ namespace libtorrent
 				= std::find_if(m_downloads.begin(), m_downloads.end(), has_index(block.piece_index));
 			assert(i != m_downloads.end());
 			block_info& info = i->info[block.block_index];
+			if (info.state == block_info::state_writing
+				|| info.state == block_info::state_finished)
+				return false;
 			assert(info.state == block_info::state_none
 				|| (info.state == block_info::state_requested
 					&& (info.num_peers > 0)));
@@ -1601,6 +1605,7 @@ namespace libtorrent
 			++info.num_peers;
 			if (i->state == none) i->state = state;
 		}
+		return true;
 	}
 
 	int piece_picker::num_peers(piece_block block) const

libtorrent/src/session.cpp

@@ -132,7 +132,7 @@ namespace libtorrent
 			m_impl->abort();
 	}
 
-	void session::add_extension(boost::function<boost::shared_ptr<torrent_plugin>(torrent*)> ext)
+	void session::add_extension(boost::function<boost::shared_ptr<torrent_plugin>(torrent*, void*)> ext)
 	{
 		m_impl->add_extension(ext);
 	}
@@ -185,7 +185,7 @@ namespace libtorrent
 		assert(!ti.m_half_metadata);
 		boost::intrusive_ptr<torrent_info> tip(new torrent_info(ti));
 		return m_impl->add_torrent(tip, save_path, resume_data
-			, compact_mode, sc, paused);
+			, compact_mode, sc, paused, 0);
 	}
 
 	torrent_handle session::add_torrent(
@@ -194,11 +194,12 @@ namespace libtorrent
 		, entry const& resume_data
 		, bool compact_mode
 		, bool paused
-		, storage_constructor_type sc)
+		, storage_constructor_type sc
+		, void* userdata)
 	{
 		assert(!ti->m_half_metadata);
 		return m_impl->add_torrent(ti, save_path, resume_data
-			, compact_mode, sc, paused);
+			, compact_mode, sc, paused, userdata);
 	}
 
 	torrent_handle session::add_torrent(
@@ -209,10 +210,11 @@ namespace libtorrent
 		, entry const& e
 		, bool compact_mode
 		, bool paused
-		, storage_constructor_type sc)
+		, storage_constructor_type sc
+		, void* userdata)
 	{
 		return m_impl->add_torrent(tracker_url, info_hash, name, save_path, e
-			, compact_mode, sc, paused);
+			, compact_mode, sc, paused, userdata);
 	}
 
 	void session::remove_torrent(const torrent_handle& h)

libtorrent/src/session_impl.cpp

@@ -593,7 +593,7 @@ namespace detail
 
 #ifndef TORRENT_DISABLE_EXTENSIONS
 	void session_impl::add_extension(
-		boost::function<boost::shared_ptr<torrent_plugin>(torrent*)> ext)
+		boost::function<boost::shared_ptr<torrent_plugin>(torrent*, void*)> ext)
 	{
 		m_extensions.push_back(ext);
 	}
@@ -1474,7 +1474,8 @@ namespace detail
 		, entry const& resume_data
 		, bool compact_mode
 		, storage_constructor_type sc
-		, bool paused)
+		, bool paused
+		, void* userdata)
 	{
 		// if you get this assert, you haven't managed to
 		// open a listen port. call listen_on() first.
@@ -1514,7 +1515,7 @@ namespace detail
 		for (extension_list_t::iterator i = m_extensions.begin()
 			, end(m_extensions.end()); i != end; ++i)
 		{
-			boost::shared_ptr<torrent_plugin> tp((*i)(torrent_ptr.get()));
+			boost::shared_ptr<torrent_plugin> tp((*i)(torrent_ptr.get(), userdata));
 			if (tp) torrent_ptr->add_extension(tp);
 		}
 #endif
@@ -1554,7 +1555,8 @@ namespace detail
 		, entry const&
 		, bool compact_mode
 		, storage_constructor_type sc
-		, bool paused)
+		, bool paused
+		, void* userdata)
 	{
 	
 		// TODO: support resume data in this case
@@ -1593,7 +1595,7 @@ namespace detail
 		for (extension_list_t::iterator i = m_extensions.begin()
 			, end(m_extensions.end()); i != end; ++i)
 		{
-			boost::shared_ptr<torrent_plugin> tp((*i)(torrent_ptr.get()));
+			boost::shared_ptr<torrent_plugin> tp((*i)(torrent_ptr.get(), userdata));
 			if (tp) torrent_ptr->add_extension(tp);
 		}
 #endif

libtorrent/src/storage.cpp

@@ -1084,7 +1084,8 @@ namespace libtorrent
 	void piece_manager::async_read(
 		peer_request const& r
 		, boost::function<void(int, disk_io_job const&)> const& handler
-		, char* buffer)
+		, char* buffer
+		, int priority)
 	{
 		disk_io_job j;
 		j.storage = this;
@@ -1093,6 +1094,7 @@ namespace libtorrent
 		j.offset = r.start;
 		j.buffer_size = r.length;
 		j.buffer = buffer;
+		j.priority = priority;
 		// if a buffer is not specified, only one block can be read
 		// since that is the size of the pool allocator's buffers
 		assert(r.length <= 16 * 1024 || buffer != 0);

libtorrent/src/ut_pex.cpp

@@ -347,7 +347,7 @@ namespace libtorrent { namespace
 namespace libtorrent
 {
 
-	boost::shared_ptr<torrent_plugin> create_ut_pex_plugin(torrent* t)
+	boost::shared_ptr<torrent_plugin> create_ut_pex_plugin(torrent* t, void*)
 	{
 		if (t->torrent_file().priv())
 		{