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Server.h
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Server.h
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/*
* Copyright (c) 2016 Michal Srb <[email protected]>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef SERVER_H
#define SERVER_H
#include <netdb.h>
#include <string>
#include <vector>
#include "helper.h"
#include "ControllerManager.h"
#include "GreeterManager.h"
#include "XvncManager.h"
/**
* @brief a main server class.
*
* It listen on TCP port for VNC connections and creates VncTunnel instances.
* It handles signals.
*
* @remark This class is not thread-safe and is intended to be used by main thread.
*
*/
class Server
{
private:
static constexpr int LISTEN_QUEUE = 32;
public:
Server();
Server(const Server &) = delete;
Server &operator=(const Server &) = delete;
~Server();
/**
* Start accepting incomming connections and picking-up signals.
* This method returns when a terminating signal is received.
*/
void run();
private:
void listen(addrinfo *results);
void listen(const std::vector<std::string> &addresses, const std::string &port);
void accept(int listenfd);
void prepareSignals();
void handleSignal();
private:
XvncManager m_vncManager;
GreeterManager m_greeterManager;
ControllerManager m_controlManager;
bool m_run;
int m_sigfd;
std::vector<int> m_listenfds;
};
#endif // SERVER_H