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/*
Copyright (c) 2007-2010 iMatix Corporation
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ 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
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_TCP_SOCKET_HPP_INCLUDED__
#define __ZMQ_TCP_SOCKET_HPP_INCLUDED__
#include "fd.hpp"
#include "stdint.hpp"
namespace zmq
{
// The class encapsulating simple TCP read/write socket.
class tcp_socket_t
{
public:
tcp_socket_t ();
~tcp_socket_t ();
// Associates a socket with a native socket descriptor.
int open (fd_t fd_, uint64_t sndbuf_, uint64_t rcvbuf_);
// Closes the underlying socket.
int close ();
// Returns the underlying socket. Returns retired_fd when the socket
// is in the closed state.
fd_t get_fd ();
// Writes data to the socket. Returns the number of bytes actually
// written (even zero is to be considered to be a success). In case
// of error or orderly shutdown by the other peer -1 is returned.
int write (const void *data, int size);
// Reads data from the socket (up to 'size' bytes). Returns the number
// of bytes actually read (even zero is to be considered to be
// a success). In case of error or orderly shutdown by the other
// peer -1 is returned.
int read (void *data, int size);
private:
// Underlying socket.
fd_t s;
// Disable copy construction of tcp_socket.
tcp_socket_t (const tcp_socket_t&);
void operator = (const tcp_socket_t&);
};
}
#endif
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