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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 : #ifndef INCLUDED_OSL_PIPE_DECL_HXX
20 : #define INCLUDED_OSL_PIPE_DECL_HXX
21 :
22 : #include <osl/pipe.h>
23 : # include <osl/security.hxx>
24 : #include <rtl/ustring.hxx>
25 :
26 : namespace osl {
27 :
28 : class StreamPipe;
29 :
30 : /** Represents a pipe.
31 : */
32 : class Pipe
33 : {
34 : protected:
35 : oslPipe m_handle;
36 :
37 : public:
38 :
39 : /** Does not create a pipe. Use assignment operator to
40 : make this a useable pipe.
41 : */
42 : inline Pipe();
43 :
44 : /** Creates an insecure pipe that is accessible for all users.
45 : @param strName
46 : @param Options
47 : */
48 : inline Pipe(const ::rtl::OUString& strName, oslPipeOptions Options);
49 :
50 : /** Creates a secure pipe that access depends on the umask settings.
51 : @param strName
52 : @param Options
53 : @param rSecurity
54 : */
55 : inline Pipe(const ::rtl::OUString& strName, oslPipeOptions Options,const Security & rSecurity);
56 :
57 : /** Copy constructor.
58 : */
59 : inline Pipe(const Pipe& pipe);
60 :
61 : /** Constructs a Pipe reference without acquiring the handle
62 : */
63 : inline Pipe( oslPipe pipe, __sal_NoAcquire noacquire );
64 :
65 : /** Creates pipe as wrapper around the underlying oslPipe.
66 : @param Pipe
67 : */
68 : inline Pipe(oslPipe Pipe);
69 :
70 : /** Destructor. Destroys the underlying oslPipe.
71 : */
72 : inline ~Pipe();
73 :
74 : inline bool SAL_CALL is() const;
75 :
76 : /** Creates an insecure pipe that is accessible for all users
77 : with the given attributes.
78 : If the pipe was already created, the old one will be discarded.
79 : @param strName
80 : @param Options
81 : @param rSec
82 : @return True if socket was successfully created.
83 : */
84 : inline bool create( const ::rtl::OUString & strName,
85 : oslPipeOptions Options, const Security &rSec );
86 :
87 : /** Creates a secure that access rights depend on the umask settings
88 : with the given attributes.
89 :
90 : If socket was already created, the old one will be discarded.
91 : @param strName
92 : @param Options
93 : @return True if socket was successfully created.
94 : */
95 : inline bool create( const ::rtl::OUString & strName, oslPipeOptions Options = osl_Pipe_OPEN );
96 :
97 : /** releases the underlying handle
98 : */
99 : inline void SAL_CALL clear();
100 :
101 : /** Assignment operator. If pipe was already created, the old one will
102 : be discarded.
103 : */
104 : inline Pipe& SAL_CALL operator= (const Pipe& pipe);
105 :
106 : /** Assignment operator. If pipe was already created, the old one will
107 : be discarded.
108 : */
109 : inline Pipe& SAL_CALL operator= (const oslPipe pipe );
110 :
111 : /** Checks if the pipe is valid.
112 : @return True if the object represents a valid pipe.
113 : */
114 : inline bool SAL_CALL isValid() const;
115 :
116 : inline bool SAL_CALL operator==( const Pipe& rPipe ) const;
117 :
118 : /** Closes the pipe.
119 : */
120 : inline void SAL_CALL close();
121 :
122 : /** Accept connection on an existing pipe
123 : */
124 : inline oslPipeError SAL_CALL accept(StreamPipe& Connection);
125 :
126 :
127 : /** Delivers a constant decribing the last error for the pipe system.
128 : @return ENONE if no error occurred, invalid_PipeError if
129 : an unknown (unmapped) error occurred, otherwise an enum describing the
130 : error.
131 : */
132 : inline oslPipeError SAL_CALL getError() const;
133 :
134 : inline oslPipe SAL_CALL getHandle() const;
135 : };
136 :
137 : /** A pipe to send or receive a stream of data.
138 : */
139 1064 : class StreamPipe : public Pipe
140 : {
141 : public:
142 :
143 : /** Creates an unattached pipe. You must attach the pipe to an oslPipe
144 : e.g. by using the operator=(oslPipe), before you can use the stream-
145 : functionality of the object.
146 : */
147 : inline StreamPipe();
148 :
149 : /** Creates pipe as wrapper around the underlying oslPipe.
150 : @param Pipe
151 : */
152 : inline StreamPipe(oslPipe Pipe);
153 :
154 : /** Copy constructor.
155 : @param Pipe
156 : */
157 : inline StreamPipe(const StreamPipe& Pipe);
158 :
159 : /** Creates a pipe.
160 : @param strName
161 : @param Options
162 : */
163 : inline StreamPipe(const ::rtl::OUString& strName, oslPipeOptions Options = osl_Pipe_OPEN);
164 :
165 : /** Creates a pipe.
166 : @param strName
167 : @param Options
168 : @param rSec
169 : */
170 : inline StreamPipe(const ::rtl::OUString& strName, oslPipeOptions Options, const Security &rSec );
171 :
172 : /** Constructs a Pipe reference without acquiring the handle
173 : */
174 : inline StreamPipe( oslPipe pipe, __sal_NoAcquire noacquire );
175 :
176 : /** Attaches the oslPipe to this object. If the object
177 : already was attached to an oslPipe, the old one will
178 : be closed and destroyed.
179 : @param Pipe
180 : */
181 : inline StreamPipe & SAL_CALL operator=(oslPipe Pipe);
182 :
183 : /** Assignment operator
184 : */
185 : inline StreamPipe& SAL_CALL operator=(const Pipe& pipe);
186 :
187 : /** Tries to receives BytesToRead data from the connected pipe,
188 :
189 : @param pBuffer [out] Points to a buffer that will be filled with the received
190 : data.
191 : @param BytesToRead [in] The number of bytes to read. pBuffer must have at least
192 : this size.
193 : @return the number of received bytes.
194 : */
195 : inline sal_Int32 SAL_CALL recv(void* pBuffer, sal_Int32 BytesToRead) const;
196 :
197 : /** Tries to sends BytesToSend data from the connected pipe.
198 :
199 : @param pBuffer [in] Points to a buffer that contains the send-data.
200 : @param BytesToSend [in] The number of bytes to send. pBuffer must have at least
201 : this size.
202 : @return the number of transferred bytes.
203 : */
204 : inline sal_Int32 SAL_CALL send(const void* pBuffer, sal_Int32 BytesToSend) const;
205 :
206 : /** Retrieves n bytes from the stream and copies them into pBuffer.
207 : The method avoids incomplete reads due to packet boundaries.
208 : @param pBuffer receives the read data.
209 : @param n the number of bytes to read. pBuffer must be large enough
210 : to hold the n bytes!
211 : @return the number of read bytes. The number will only be smaller than
212 : n if an exceptional condition (e.g. connection closed) occurs.
213 : */
214 : inline sal_Int32 SAL_CALL read(void* pBuffer, sal_Int32 n) const;
215 :
216 : /** Writes n bytes from pBuffer to the stream. The method avoids
217 : incomplete writes due to packet boundaries.
218 : @param pBuffer contains the data to be written.
219 : @param n the number of bytes to write.
220 : @return the number of written bytes. The number will only be smaller than
221 : n if an exceptional condition (e.g. connection closed) occurs.
222 : */
223 : sal_Int32 SAL_CALL write(const void* pBuffer, sal_Int32 n) const;
224 : };
225 :
226 : }
227 : #endif
228 :
229 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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