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// -*- c++ -*-
//------------------------------------------------------------------------------
// ConUDPSocket.h
//------------------------------------------------------------------------------
// Copyright (C) 1997-2002 Vladislav Grinchenko
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//------------------------------------------------------------------------------
#ifndef CONUDP_SOCKET_H
#define CONUDP_SOCKET_H
#include "assa/UDPSocket.h"
namespace ASSA {
/** @file ConUDPSocket.h
Encapsulation of a connected UDP socket.
*/
class ConUDPSocket : public UDPSocket {
public:
/// Constructor
ConUDPSocket () : UDPSocket() {
char self[] = "ConUDPSocket::ConUDPSocket"; trace(self);
}
/// Destructor
virtual ~ConUDPSocket () {
char self[] = "ConUDPSocket::~ConUDPSocket"; trace(self);
}
/** Connect socket to the peer.
* @param peer_addr_ peer address
*/
bool connect (const Address& peer_addr_);
/// Unconnect connected socket
void unconnect ();
/** Read specified number of bytes off the socket.
* This function cannot be moved up in class hierarchy
* because IPv4 read() is *very* different from UDP read (one
* time shot).
*
* @param buf_ buffer to save received data into
* @param size_ expected packet size
* @return number of bytes read or -1 on error, indicating
* the reason in errno. Packets of 0 size are possible.
*/
int read (char* buf_, const unsigned int size_);
/** Perform blocking write by writing packet of specified size.
*
* @param buf_ buffer to send
* @param size_ packet size
*/
int write (const char* buf_ = NULL, const unsigned int size_ = 0);
virtual int in_avail () const { return 0; }
};
} // end namespace ASSA
#endif // CONUDP_SOCKET_H
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