source: vscpl/src/hu/varadiistvan/scpl/io/_posix/ServerSocket.h@ 10:1ee8d0a23099

Last change on this file since 10:1ee8d0a23099 was 8:7b2598d1ea55, checked in by István Váradi <ivaradi@…>, 12 years ago

Imported the I/O library for POSIX and the pseudo-random generator

File size: 4.0 KB
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1// Copyright (c) 2013 by István Váradi
2
3// This file is part of VSCPL, a simple cross-platform utility library
4
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are met:
7
8// 1. Redistributions of source code must retain the above copyright notice, this
9// list of conditions and the following disclaimer.
10// 2. Redistributions in binary form must reproduce the above copyright notice,
11// this list of conditions and the following disclaimer in the documentation
12// and/or other materials provided with the distribution.
13
14// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
15// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
18// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24
25// The views and conclusions contained in the software and documentation are those
26// of the authors and should not be interpreted as representing official policies,
27// either expressed or implied, of the FreeBSD Project.
28
29#ifndef HU_VARADIISTVAN_SCPL_IO_POSIX_SERVERSOCKET_H
30#define HU_VARADIISTVAN_SCPL_IO_POSIX_SERVERSOCKET_H
31//------------------------------------------------------------------------------
32
33#include "Waitable.h"
34
35#include <cstdlib>
36
37//------------------------------------------------------------------------------
38
39struct sockaddr;
40
41//------------------------------------------------------------------------------
42
43namespace hu { namespace varadiistvan { namespace scpl { namespace io {
44
45//------------------------------------------------------------------------------
46
47class Acceptor;
48
49//------------------------------------------------------------------------------
50
51/**
52 * A socket in a server role. It can only bind to a new address,
53 * listen and accept connections. It cannot connect to other sockets
54 * and cannot be read or written.
55 */
56class ServerSocket : public Waitable
57{
58protected:
59 /**
60 * Construct the server socket.
61 */
62 ServerSocket(int domain, int type, Waiter* waiter = 0, int protocol = 0);
63
64public:
65 /**
66 * Destroy the server socket.
67 */
68 virtual ~ServerSocket();
69
70protected:
71 /**
72 * Bind the socket to the given address.
73 *
74 * @param reuseaddr if set to true, the SO_REUSEADDR socket option
75 * will be set.
76 *
77 * @return if the binding has succeeded. If it is false, the error
78 * code will be set accordingly.
79 */
80 bool bind(const struct sockaddr* addr, size_t addrlen,
81 bool reuseaddr = true);
82
83 /**
84 * Start listening on the socket.
85 *
86 * @return if the call has succeeded. If it is false, the error
87 * code will be set accordingly.
88 */
89 bool listen(int backlog = 5);
90
91 /**
92 * Accept a socket.
93 *
94 * @return the accepted socket. If may be -1, if the socket is
95 * non-blocking, and no connection is available yet, or if another
96 * error occured, in which case the error code will be set properly.
97 */
98 int accept(struct sockaddr* addr, size_t* addrlen);
99
100 friend class Acceptor;
101};
102
103//------------------------------------------------------------------------------
104
105} /* namespace hu::varadiistvan::scpl::io */ } /* namespace hu::varadiistvan::scpl */ } /* namespace hu::varadiistvan */ } /* namespace hu */
106
107//------------------------------------------------------------------------------
108#endif // HU_VARADIISTVAN_SCPL_IO_POSIX_SERVERSOCKET_H
109
110// Local Variables:
111// mode: C++
112// c-basic-offset: 4
113// indent-tabs-mode: nil
114// End:
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