1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef _OSL_PIPE_DECL_HXX_
#define _OSL_PIPE_DECL_HXX_
#include <osl/pipe.h>
# include <osl/security.hxx>
#include <rtl/ustring.hxx>
namespace osl {
class StreamPipe;
/** Represents a pipe.
*/
class Pipe
{
protected:
oslPipe m_handle;
public:
/** Does not create a pipe. Use assignment operator to
make this a useable pipe.
*/
inline Pipe();
/** Creates an insecure pipe that is accessible for all users.
@param strName
@param Options
*/
inline Pipe(const ::rtl::OUString& strName, oslPipeOptions Options);
/** Creates a secure pipe that access depends on the umask settings.
@param strName
@param Options
@param rSecurity
*/
inline Pipe(const ::rtl::OUString& strName, oslPipeOptions Options,const Security & rSecurity);
/** Copy constructor.
*/
inline Pipe(const Pipe& pipe);
/** Constructs a Pipe reference without acquiring the handle
*/
inline Pipe( oslPipe pipe, __sal_NoAcquire noacquire );
/** Creates pipe as wrapper around the underlying oslPipe.
@param Pipe
*/
inline Pipe(oslPipe Pipe);
/** Destructor. Destroys the underlying oslPipe.
*/
inline ~Pipe();
inline sal_Bool SAL_CALL is() const;
/** Creates an insecure pipe that is accessible for all users
with the given attributes.
If the pipe was already created, the old one will be discarded.
@param strName
@param Options
@param rSec
@return True if socket was successfully created.
*/
inline sal_Bool create( const ::rtl::OUString & strName,
oslPipeOptions Options, const Security &rSec );
/** Creates a secure that access rights depend on the umask settings
with the given attributes.
If socket was already created, the old one will be discarded.
@param strName
@param Options
@return True if socket was successfully created.
*/
inline sal_Bool create( const ::rtl::OUString & strName, oslPipeOptions Options = osl_Pipe_OPEN );
/** releases the underlying handle
*/
inline void SAL_CALL clear();
/** Assignment operator. If pipe was already created, the old one will
be discarded.
*/
inline Pipe& SAL_CALL operator= (const Pipe& pipe);
/** Assignment operator. If pipe was already created, the old one will
be discarded.
*/
inline Pipe& SAL_CALL operator= (const oslPipe pipe );
/** Checks if the pipe is valid.
@return True if the object represents a valid pipe.
*/
inline sal_Bool SAL_CALL isValid() const;
inline sal_Bool SAL_CALL operator==( const Pipe& rPipe ) const;
/** Closes the pipe.
*/
inline void SAL_CALL close();
/** Accept connection on an existing pipe
*/
inline oslPipeError SAL_CALL accept(StreamPipe& Connection);
/** Delivers a constant decribing the last error for the pipe system.
@return ENONE if no error occurred, invalid_PipeError if
an unknown (unmapped) error occurred, otherwise an enum describing the
error.
*/
inline oslPipeError SAL_CALL getError() const;
inline oslPipe SAL_CALL getHandle() const;
};
/** A pipe to send or receive a stream of data.
*/
class StreamPipe : public Pipe
{
public:
/** Creates an unattached pipe. You must attach the pipe to an oslPipe
e.g. by using the operator=(oslPipe), before you can use the stream-
functionality of the object.
*/
inline StreamPipe();
/** Creates pipe as wrapper around the underlying oslPipe.
@param Pipe
*/
inline StreamPipe(oslPipe Pipe);
/** Copy constructor.
@param Pipe
*/
inline StreamPipe(const StreamPipe& Pipe);
/** Creates a pipe.
@param strName
@param Options
*/
inline StreamPipe(const ::rtl::OUString& strName, oslPipeOptions Options = osl_Pipe_OPEN);
/** Creates a pipe.
@param strName
@param Options
@param rSec
*/
inline StreamPipe(const ::rtl::OUString& strName, oslPipeOptions Options, const Security &rSec );
/** Constructs a Pipe reference without acquiring the handle
*/
inline StreamPipe( oslPipe pipe, __sal_NoAcquire noacquire );
/** Attaches the oslPipe to this object. If the object
already was attached to an oslPipe, the old one will
be closed and destroyed.
@param Pipe
*/
inline StreamPipe & SAL_CALL operator=(oslPipe Pipe);
/** Assignment operator
*/
inline StreamPipe& SAL_CALL operator=(const Pipe& pipe);
/** Tries to receives BytesToRead data from the connected pipe,
@param pBuffer [out] Points to a buffer that will be filled with the received
data.
@param BytesToRead [in] The number of bytes to read. pBuffer must have at least
this size.
@return the number of received bytes.
*/
inline sal_Int32 SAL_CALL recv(void* pBuffer, sal_Int32 BytesToRead) const;
/** Tries to sends BytesToSend data from the connected pipe.
@param pBuffer [in] Points to a buffer that contains the send-data.
@param BytesToSend [in] The number of bytes to send. pBuffer must have at least
this size.
@return the number of transfered bytes.
*/
inline sal_Int32 SAL_CALL send(const void* pBuffer, sal_Int32 BytesToSend) const;
/** Retrieves n bytes from the stream and copies them into pBuffer.
The method avoids incomplete reads due to packet boundaries.
@param pBuffer receives the read data.
@param n the number of bytes to read. pBuffer must be large enough
to hold the n bytes!
@return the number of read bytes. The number will only be smaller than
n if an exceptional condition (e.g. connection closed) occurs.
*/
inline sal_Int32 SAL_CALL read(void* pBuffer, sal_Int32 n) const;
/** Writes n bytes from pBuffer to the stream. The method avoids
incomplete writes due to packet boundaries.
@param pBuffer contains the data to be written.
@param n the number of bytes to write.
@return the number of written bytes. The number will only be smaller than
n if an exceptional condition (e.g. connection closed) occurs.
*/
sal_Int32 SAL_CALL write(const void* pBuffer, sal_Int32 n) const;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
