D:/Programmierung/C/TRTK/include/TRTK/ClientServer.hpp

Go to the documentation of this file.

/*
    Estimation and computation of a multivariate multidimensional polynomial.

    Copyright (C) 2010 - 2014 Christoph Haenisch

    Chair of Medical Engineering (mediTEC)
    RWTH Aachen University
    Pauwelsstr. 20
    52074 Aachen
    Germany

    See license.txt for more information.

    Version 0.1.1 (2014-07-05)
*/

#ifndef CLIENT_SERVER_HPP_4749718748
#define CLIENT_SERVER_HPP_4749718748


#include <stdexcept>
#include <utility>


namespace TRTK
{


class NetworkError : public std::runtime_error
{
public:
    explicit NetworkError(const std::string & what);
};


class ConnectionClosed : public NetworkError
{
public:
    explicit ConnectionClosed(const std::string & what);
};


class Client
{
public:
    Client();
    virtual ~Client();

    void connect(std::string host, short port);
    void disconnect();
    std::pair<char *, size_t> request(const char * data, size_t size);

private:
    void receiveData(char * & data, size_t & size);
    void sendData(const char * data, size_t size);

    int socket_fd;
    bool connected;
};


class Server
{
public:
    Server();
    virtual ~Server();

    void startServer(short port);
    void stopServer();

    virtual std::pair<char *, size_t> handleRequest(const char * received_data, size_t length) = 0;

    void closeConnection();

private:
    void receiveData(char * & data, size_t & size);
    void sendData(const char * data, size_t size);

    int client_fd;
    bool close_connection;
    volatile bool stop_server;
};


} // namespace TRTK


#endif // CLIENT_SERVER_HPP_4749718748