4 * The secure anycast tunneling protocol (satp) defines a protocol used
5 * for communication between any combination of unicast and anycast
6 * tunnel endpoints. It has less protocol overhead than IPSec in Tunnel
7 * mode and allows tunneling of every ETHER TYPE protocol (e.g.
8 * ethernet, ip, arp ...). satp directly includes cryptography and
9 * message authentication based on the methodes used by SRTP. It is
10 * intended to deliver a generic, scaleable and secure solution for
11 * tunneling and relaying of packets of any protocol.
14 * Copyright (C) 2007-2008 Othmar Gsenger, Erwin Nindl,
15 * Christian Pointner <satp@wirdorange.org>
17 * This file is part of Anytun.
19 * Anytun is free software: you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License version 3 as
21 * published by the Free Software Foundation.
23 * Anytun is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
28 * You should have received a copy of the GNU General Public License
29 * along with anytun. If not, see <http://www.gnu.org/licenses/>.
36 #include <boost/asio.hpp>
37 #include <boost/function.hpp>
39 #include "datatypes.h"
40 #include "threadUtils.hpp"
42 typedef boost::function<void (boost::asio::ip::udp::endpoint)> UdpResolveCallback;
43 typedef boost::function<void (boost::asio::ip::tcp::endpoint)> TcpResolveCallback;
44 typedef boost::function<void (std::runtime_error const&)> ErrorCallback;
50 ResolveHandler(const std::string& addr, const std::string& port, boost::function<void (boost::asio::ip::basic_endpoint<Proto>)> const& onResolve, ErrorCallback const& onError, ResolvAddrType r = ANY);
51 void operator()(const boost::system::error_code& e, const boost::asio::ip::basic_resolver_iterator<Proto>);
56 boost::function<void (boost::asio::ip::basic_endpoint<Proto>)> onResolve_;
57 ErrorCallback onError_;
58 ResolvAddrType resolv_addr_type_;
61 typedef ResolveHandler<boost::asio::ip::udp> UdpResolveHandler;
62 typedef ResolveHandler<boost::asio::ip::tcp> TcpResolveHandler;
67 static Resolver& instance();
72 void resolveUdp(const std::string& addr, const std::string& port, UdpResolveCallback const& onResolve, ErrorCallback const& onError, ResolvAddrType r = ANY);
73 void resolveTcp(const std::string& addr, const std::string& port, TcpResolveCallback const& onResolve, ErrorCallback const& onError, ResolvAddrType r = ANY);
78 Resolver(const Resolver &r);
79 void operator=(const Resolver &r);
81 static Resolver* inst;
82 static ::Mutex instMutex;
83 class instanceCleaner {
84 public: ~instanceCleaner() {
85 if(Resolver::inst != 0)
86 delete Resolver::inst;
89 friend class instanceCleaner;
91 boost::asio::io_service io_service_;
92 boost::asio::ip::udp::resolver udp_resolver_;
93 boost::asio::ip::tcp::resolver tcp_resolver_;
94 boost::thread* thread_;
97 extern Resolver& gResolver;