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Root/netxx/recvfrom.h

1/*
2 * Copyright (C) 2001-2004 Peter J Jones (pjones@pmade.org)
3 * All Rights Reserved
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 * 3. Neither the name of the Author nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
22 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
23 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
26 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
29 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/** @file
34 * This file contains the definition of the Netxx::call_recvfrom function.
35**/
36
37#ifndef _netxx_recvfrom_h_
38#define _netxx_recvfrom_h_
39
40// local includes
41#include "netxx/types.h"
42#include "netxx/peer.h"
43#include "socket.h"
44
45// standard includes
46#include <utility>
47
48namespace Netxx {
49
50 //####################################################################
51 /**
52 * Wrapper around the recvfrom(2) system call.
53 *
54 * @param socket The server socket
55 * @param buffer Where to place the new datagram
56 * @param length The size of the datagram buffer
57 * @return A std::pair<bytes received, peer address>
58 * @author Peter Jones
59 **/
60 //####################################################################
61 std::pair<signed_size_type, Peer> call_recvfrom (Socket &socket, void *buffer, size_type length);
62
63} // end Netxx namespace
64#endif

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