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/*
* anytun
*
* The secure anycast tunneling protocol (satp) defines a protocol used
* for communication between any combination of unicast and anycast
* tunnel endpoints. It has less protocol overhead than IPSec in Tunnel
* mode and allows tunneling of every ETHER TYPE protocol (e.g.
* ethernet, ip, arp ...). satp directly includes cryptography and
* message authentication based on the methods used by SRTP. It is
* intended to deliver a generic, scaleable and secure solution for
* tunneling and relaying of packets of any protocol.
*
*
* Copyright (C) 2007-2009 Othmar Gsenger, Erwin Nindl,
* Christian Pointner <satp@wirdorange.org>
*
* This file is part of Anytun.
*
* Anytun is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* Anytun is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with anytun. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ANYTUN_signalController_h_INCLUDED
#define ANYTUN_signalController_h_INCLUDED
#include <map>
#include <queue>
#include <boost/function.hpp>
#include "threadUtils.hpp"
#ifdef WIN_SERVICE
//#include "win32/winService.h"
class WinService;
typedef WinService DaemonService;
#else
class DaemonService;
#endif
#define SIGERROR -1
#define SIGUNKNOWN -2
typedef boost::function<int (int, std::string const&)> SignalHandler;
typedef enum { CALLB_RUNNING, CALLB_STOPPING } CallbackType;
typedef boost::function<void ()> ServiceCallback;
class SignalController
{
public:
static SignalController& instance();
void init(DaemonService& service);
int run();
void inject(int sig, const std::string& msg = "");
private:
SignalController() {};
~SignalController() {};
SignalController(const SignalController& s);
void operator=(const SignalController& s);
typedef std::pair<int, std::string> SigPair;
std::queue<SigPair> sigQueue;
Mutex sigQueueMutex;
Semaphore sigQueueSem;
typedef std::map<int, SignalHandler> HandlerMap;
HandlerMap handler;
typedef std::map<CallbackType, ServiceCallback> CallbackMap;
CallbackMap callbacks;
friend void registerSignalHandler(SignalController& ctrl, DaemonService& service);
};
extern SignalController& gSignalController;
#endif
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