/*
* This file is part of rasdaman community.
*
* Rasdaman community 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
* (at your option) any later version.
*
* Rasdaman community 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 rasdaman community. If not, see .
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see
* or contact Peter Baumann via .
/
/**
* INCLUDE: akgnet_socket.hh
*
* MODULE: akg network
* CLASS: Socket, ListenSocket, ServerSocket, ClientSocket
*
* COMMENTS:
* Namespace akg
*
*/
#ifndef AKGNET_SOCKET_HH
#define AKGNET_SOCKET_HH
#include "akgnet_fdescr.hh"
#include "akgnet_inetaddr.hh"
namespace akg
{
/** This class represents the sockets in the file descriptor hierarchie.
Socket is the base class of the socket hierarchie, which contains also
ListenSocket, ServerSocket and ClientSocket
*/
class Socket : public FileDescriptor
{
public:
/// Default constructor
Socket() throw();
/// Returns the SocketAddress of this socket
SocketAddress getAddress() throw();
/** Returns the SocketAddress of the peer. If the Socket is not connected
returns the SocketAddress of this socket
*/
SocketAddress getPeerAddress() throw();
protected:
/// helper function to initialize this Socket as a TCP/IP socket
bool createTcpSocket() throw();
private:
/// unimplemented, objects of this type can't be copied
Socket(const Socket&);
/// unimplemented, objects of this type can't be copied
Socket& operator=(const Socket&);
};
/** ListenSocket - socket for servers, to listen for clients
*/
class ListenSocket : public Socket
{
public:
/// Default constructor
ListenSocket() throw();
/// Destructor, closes, indirectly, the socket
~ListenSocket() throw();
/// Opens the listen socket. Returns true if succes
bool open(int port) throw();
/** Sets the OS queue size for this socket. Maximal size is SOMAXCONN
Assert: newSize > 0
*/
void setQueueSize(int newSize) throw();
/// Returns the OS queue size for this socket
int getQueueSize() throw();
private:
int queuesize;
/// unimplemented, objects of this type can't be copied
ListenSocket(const ListenSocket&);
/// unimplemented, objects of this type can't be copied
ListenSocket& operator=(const ListenSocket&);
};
/** ServerSocket - socket for servers, to communicate with clients
It opens by accepting a pending connection from a ListenSocket
*/
class ServerSocket : public Socket
{
public:
/// Default constructor
ServerSocket() throw();
/// Destructor
~ServerSocket() throw();
/// Accepts a pending connection from a ListenSocket. Returns true on succes
bool acceptFrom(ListenSocket&) throw();
private:
/// unimplemented, objects of this type can't be copied
ServerSocket(const ServerSocket&);
/// unimplemented, objects of this type can't be copied
ServerSocket& operator=(const ServerSocket&);
};
/** ClientSocket - socket for clients, to communicate with servers
*/
class ClientSocket : public Socket
{
public:
/// Default constructor
ClientSocket() throw();
/// Destructor
~ClientSocket() throw();
/// Opens the connection with the given server. Returns true on succes
bool open(const char *serverHost,int serverPort) throw();
private:
/// unimplemented, objects of this type can't be copied
ClientSocket(const ClientSocket&);
/// unimplemented, objects of this type can't be copied
ClientSocket& operator=(const ClientSocket&);
};
} // namespace
#endif