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) 2007-2009 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 as published by
21
* the Free Software Foundation, either version 3 of the License, or
24
* Anytun is distributed in the hope that it will be useful,
25
* but WITHOUT ANY WARRANTY; without even the implied warranty of
26
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27
* GNU General Public License for more details.
29
* You should have received a copy of the GNU General Public License
30
* along with anytun. If not, see <http://www.gnu.org/licenses/>.
33
#ifndef ANYTUN_resolver_h_INCLUDED
34
#define ANYTUN_resolver_h_INCLUDED
37
#include <boost/asio.hpp>
38
#include <boost/function.hpp>
40
#include "datatypes.h"
41
#include "threadUtils.hpp"
43
typedef boost::function<void (boost::asio::ip::udp::endpoint)> UdpResolveCallback;
44
typedef boost::function<void (boost::asio::ip::tcp::endpoint)> TcpResolveCallback;
45
typedef boost::function<void (std::runtime_error const&)> ErrorCallback;
51
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);
52
void operator()(const boost::system::error_code& e, const boost::asio::ip::basic_resolver_iterator<Proto>);
57
boost::function<void (boost::asio::ip::basic_endpoint<Proto>)> onResolve_;
58
ErrorCallback onError_;
59
ResolvAddrType resolv_addr_type_;
62
typedef ResolveHandler<boost::asio::ip::udp> UdpResolveHandler;
63
typedef ResolveHandler<boost::asio::ip::tcp> TcpResolveHandler;
68
static Resolver& instance();
73
void resolveUdp(const std::string& addr, const std::string& port, UdpResolveCallback const& onResolve, ErrorCallback const& onError, ResolvAddrType r = ANY);
74
void resolveTcp(const std::string& addr, const std::string& port, TcpResolveCallback const& onResolve, ErrorCallback const& onError, ResolvAddrType r = ANY);
79
Resolver(const Resolver &r);
80
void operator=(const Resolver &r);
82
static Resolver* inst;
83
static ::Mutex instMutex;
84
class instanceCleaner {
85
public: ~instanceCleaner() {
86
if(Resolver::inst != 0)
87
delete Resolver::inst;
90
friend class instanceCleaner;
92
boost::asio::io_service io_service_;
93
boost::asio::ip::udp::resolver udp_resolver_;
94
boost::asio::ip::tcp::resolver tcp_resolver_;
95
boost::thread* thread_;
98
extern Resolver& gResolver;