source: vscpl/src/hu/varadiistvan/scpl/io/_win32/LocalSocket.h@ 24:f60eded155f3

Last change on this file since 24:f60eded155f3 was 14:e46811708269, checked in by István Váradi <ivaradi@…>, 12 years ago

Added test programs for a server serving multiple clients

File size: 4.3 KB
Line 
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_WIN32_LOCALSOCKET_H
30#define HU_VARADIISTVAN_SCPL_IO_WIN32_LOCALSOCKET_H
31//------------------------------------------------------------------------------
32
33#include "BufferedStream.h"
34
35#include "Overlapped.h"
36
37#include <cstdio>
38
39//------------------------------------------------------------------------------
40
41namespace hu { namespace varadiistvan { namespace scpl { namespace io {
42
43//------------------------------------------------------------------------------
44
45/**
46 * Basically a different name for a buffered stream.
47 */
48class LocalSocket : public BufferedStream
49{
50public:
51 /**
52 * Create a concrete pipe path from the given user-specified name.
53 *
54 * @param dest the destination buffer, which should be at least
55 * 256 bytes long.
56 */
57 static void setupPath(char* dest, const char* name);
58
59protected:
60 /**
61 * Construct the local socket
62 */
63 LocalSocket(Waiter* waiter = 0, HANDLE handle = 0,
64 size_t readingCapacity = DEFAULT_CAPACITY,
65 size_t writingCapacity = DEFAULT_CAPACITY);
66
67
68protected:
69 /**
70 * Connect the client socket to the server.
71 */
72 bool connect(const char* path);
73
74 friend class LocalAcceptor;
75 friend class LocalConnector;
76};
77
78//------------------------------------------------------------------------------
79// Inline definitions
80//------------------------------------------------------------------------------
81
82inline void LocalSocket::setupPath(char* dest, const char* name)
83{
84 snprintf(dest, 256, "\\\\.\\pipe\\%s", name);
85}
86
87//------------------------------------------------------------------------------
88
89inline LocalSocket::LocalSocket(Waiter* waiter, HANDLE handle,
90 size_t readingCapacity, size_t writingCapacity):
91 BufferedStream(waiter, handle, readingCapacity, writingCapacity)
92{
93}
94
95//------------------------------------------------------------------------------
96
97inline bool LocalSocket::connect(const char* path)
98{
99 handle = CreateFile(path, GENERIC_READ|GENERIC_WRITE,
100 0, 0, OPEN_EXISTING,
101 FILE_FLAG_NO_BUFFERING | FILE_FLAG_OVERLAPPED, 0);
102
103 if (handle==INVALID_HANDLE_VALUE) {
104 setErrorCode(GetLastError());
105 }
106
107 return handle!=INVALID_HANDLE_VALUE;
108}
109
110//------------------------------------------------------------------------------
111
112} /* namespace hu::varadiistvan::scpl::io */ } /* namespace hu::varadiistvan::scpl */ } /* namespace hu::varadiistvan */ } /* namespace hu */
113
114//------------------------------------------------------------------------------
115#endif // HU_VARADIISTVAN_SCPL_IO_WIN32_LOCALSOCKET_H
116
117// Local Variables:
118// mode: C++
119// c-basic-offset: 4
120// indent-tabs-mode: nil
121// End:
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