add missing file

libtorrent/include/libtorrent/broadcast_socket.hpp

@@ -0,0 +1,80 @@
+/*
+
+Copyright (c) 2007, Arvid Norberg
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the distribution.
+    * Neither the name of the author nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef TORRENT_BROADCAST_SOCKET_HPP_INCLUDED
+#define TORRENT_BROADCAST_SOCKET_HPP_INCLUDED
+
+#include "libtorrent/socket.hpp"
+#include <boost/shared_ptr.hpp>
+#include <boost/function.hpp>
+#include <list>
+
+namespace libtorrent
+{
+
+	bool is_local(address const& a);
+	address_v4 guess_local_address(asio::io_service&);
+
+	typedef boost::function<void(udp::endpoint const& from
+		, char* buffer, int size)> receive_handler_t;
+
+	class broadcast_socket
+	{
+	public:
+		broadcast_socket(asio::io_service& ios, udp::endpoint const& multicast_endpoint
+			, receive_handler_t const& handler);
+
+		void send(char const* buffer, int size, asio::error_code& ec);
+		void close();
+
+	private:
+
+		struct socket_entry
+		{
+			socket_entry(boost::shared_ptr<datagram_socket> const& s): socket(s) {}
+			boost::shared_ptr<datagram_socket> socket;
+			char buffer[1024];
+			udp::endpoint remote;
+		};
+	
+		void on_receive(socket_entry* s, asio::error_code const& ec
+			, std::size_t bytes_transferred);
+
+		std::list<socket_entry> m_sockets;
+		udp::endpoint m_multicast_endpoint;
+		receive_handler_t m_on_receive;
+		
+	};
+}
+	
+#endif
+