1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_ftp.hxx"
26
27 /**************************************************************************
28 TODO
29 **************************************************************************
30
31 *************************************************************************/
32 #include "ftpinpstr.hxx"
33 #ifndef _RTL_ALLOC_H
34 #include <rtl/alloc.h>
35 #endif
36 #ifndef STD_ALGORITHM
37 #include <algorithm>
38 #define STD_ALGORITHM
39 #endif
40
41 using namespace ftp;
42 using namespace com::sun::star::uno;
43 using namespace com::sun::star::lang;
44 using namespace com::sun::star::io;
45
46
FTPInputStream(oslFileHandle tmpfl)47 FTPInputStream::FTPInputStream( oslFileHandle tmpfl )
48 : m_tmpfl(tmpfl)
49 , m_nLength( 0 )
50 {
51 if ( !m_tmpfl )
52 osl_createTempFile( NULL, &m_tmpfl, NULL );
53 OSL_ENSURE( m_tmpfl, "input stream without tempfile!" );
54
55 if ( osl_setFilePos( m_tmpfl, osl_Pos_End, 0 ) == osl_File_E_None )
56 {
57 sal_uInt64 nFileSize = 0;
58 if ( osl_getFilePos( m_tmpfl, &nFileSize ) == osl_File_E_None )
59 m_nLength = nFileSize;
60 osl_setFilePos( m_tmpfl, osl_Pos_Absolut, 0 );
61 }
62 }
63
~FTPInputStream()64 FTPInputStream::~FTPInputStream()
65 {
66 if ( 0 != m_tmpfl)
67 osl_closeFile(m_tmpfl);
68 }
69
readBytes(Sequence<sal_Int8> & aData,sal_Int32 nBytesToRead)70 sal_Int32 SAL_CALL FTPInputStream::readBytes(Sequence< sal_Int8 >& aData,
71 sal_Int32 nBytesToRead)
72 throw(NotConnectedException,
73 BufferSizeExceededException,
74 IOException,
75 RuntimeException)
76 {
77 osl::MutexGuard aGuard(m_aMutex);
78
79 sal_uInt64 nBeforePos( 0 );
80 sal_uInt64 nBytesRequested( nBytesToRead );
81 sal_uInt64 nBytesRead( 0 );
82
83 osl_getFilePos( m_tmpfl, &nBeforePos );
84
85 if ( 0 == ( nBytesRequested = std::min< sal_uInt64 >( m_nLength - nBeforePos, nBytesRequested ) ) )
86 return 0;
87
88 if ( 0 <= nBytesToRead && aData.getLength() < nBytesToRead )
89 aData.realloc( nBytesToRead );
90
91 if ( osl_readFile( m_tmpfl, aData.getArray(), nBytesRequested, &nBytesRead ) != osl_File_E_None )
92 throw IOException();
93
94 return sal_Int32( nBytesRead );
95 }
96
97
readSomeBytes(Sequence<sal_Int8> & aData,sal_Int32 nMaxBytesToRead)98 sal_Int32 SAL_CALL FTPInputStream::readSomeBytes( Sequence< sal_Int8 >& aData,
99 sal_Int32 nMaxBytesToRead )
100 throw( NotConnectedException,
101 BufferSizeExceededException,
102 IOException,
103 RuntimeException)
104 {
105 return readBytes(aData,nMaxBytesToRead);
106 }
107
108
109
skipBytes(sal_Int32 nBytesToSkip)110 void SAL_CALL FTPInputStream::skipBytes(sal_Int32 nBytesToSkip)
111 throw(NotConnectedException,
112 BufferSizeExceededException,
113 IOException,
114 RuntimeException)
115 {
116 osl::MutexGuard aGuard(m_aMutex);
117 if(!m_tmpfl)
118 throw IOException();
119
120 osl_setFilePos( m_tmpfl, osl_Pos_Current, nBytesToSkip );
121 }
122
123
124
available(void)125 sal_Int32 SAL_CALL FTPInputStream::available(void)
126 throw(NotConnectedException,
127 IOException,
128 RuntimeException)
129 {
130 return sal::static_int_cast<sal_Int32>(m_nLength - getPosition());
131 }
132
133
134
closeInput(void)135 void SAL_CALL FTPInputStream::closeInput(void)
136 throw(NotConnectedException,
137 IOException,
138 RuntimeException)
139 {
140 osl::MutexGuard aGuard(m_aMutex);
141 if(m_tmpfl)
142 osl_closeFile(m_tmpfl),m_tmpfl = 0;
143 }
144
145
146
seek(sal_Int64 location)147 void SAL_CALL FTPInputStream::seek(sal_Int64 location)
148 throw( IllegalArgumentException,
149 IOException,
150 RuntimeException )
151 {
152 osl::MutexGuard aGuard(m_aMutex);
153 if(!m_tmpfl)
154 throw IOException();
155
156 osl_setFilePos( m_tmpfl, osl_Pos_Absolut, location );
157 }
158
159
160
161 sal_Int64 SAL_CALL
getPosition(void)162 FTPInputStream::getPosition(
163 void )
164 throw( IOException,
165 RuntimeException )
166 {
167 osl::MutexGuard aGuard(m_aMutex);
168 if(!m_tmpfl)
169 throw IOException();
170
171 sal_uInt64 nFilePos = 0;
172 osl_getFilePos( m_tmpfl, &nFilePos );
173 return nFilePos;
174 }
175
176
177
getLength(void)178 sal_Int64 SAL_CALL FTPInputStream::getLength(
179 void
180 ) throw(
181 IOException,RuntimeException
182 )
183 {
184 return m_nLength;
185 }
186