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 {
73 osl::MutexGuard aGuard(m_aMutex);
74
75 sal_uInt64 nBeforePos( 0 );
76 sal_uInt64 nBytesRequested( nBytesToRead );
77 sal_uInt64 nBytesRead( 0 );
78
79 osl_getFilePos( m_tmpfl, &nBeforePos );
80
81 if ( 0 == ( nBytesRequested = std::min< sal_uInt64 >( m_nLength - nBeforePos, nBytesRequested ) ) )
82 return 0;
83
84 if ( 0 <= nBytesToRead && aData.getLength() < nBytesToRead )
85 aData.realloc( nBytesToRead );
86
87 if ( osl_readFile( m_tmpfl, aData.getArray(), nBytesRequested, &nBytesRead ) != osl_File_E_None )
88 throw IOException();
89
90 return sal_Int32( nBytesRead );
91 }
92
93
readSomeBytes(Sequence<sal_Int8> & aData,sal_Int32 nMaxBytesToRead)94 sal_Int32 SAL_CALL FTPInputStream::readSomeBytes( Sequence< sal_Int8 >& aData,
95 sal_Int32 nMaxBytesToRead )
96 {
97 return readBytes(aData,nMaxBytesToRead);
98 }
99
100
101
skipBytes(sal_Int32 nBytesToSkip)102 void SAL_CALL FTPInputStream::skipBytes(sal_Int32 nBytesToSkip)
103 {
104 osl::MutexGuard aGuard(m_aMutex);
105 if(!m_tmpfl)
106 throw IOException();
107
108 osl_setFilePos( m_tmpfl, osl_Pos_Current, nBytesToSkip );
109 }
110
111
112
available(void)113 sal_Int32 SAL_CALL FTPInputStream::available(void)
114 {
115 return sal::static_int_cast<sal_Int32>(m_nLength - getPosition());
116 }
117
118
119
closeInput(void)120 void SAL_CALL FTPInputStream::closeInput(void)
121 {
122 osl::MutexGuard aGuard(m_aMutex);
123 if(m_tmpfl)
124 osl_closeFile(m_tmpfl),m_tmpfl = 0;
125 }
126
127
128
seek(sal_Int64 location)129 void SAL_CALL FTPInputStream::seek(sal_Int64 location)
130 {
131 osl::MutexGuard aGuard(m_aMutex);
132 if(!m_tmpfl)
133 throw IOException();
134
135 osl_setFilePos( m_tmpfl, osl_Pos_Absolut, location );
136 }
137
138
139
140 sal_Int64 SAL_CALL
getPosition(void)141 FTPInputStream::getPosition(
142 void )
143 {
144 osl::MutexGuard aGuard(m_aMutex);
145 if(!m_tmpfl)
146 throw IOException();
147
148 sal_uInt64 nFilePos = 0;
149 osl_getFilePos( m_tmpfl, &nFilePos );
150 return nFilePos;
151 }
152
153
154
getLength(void)155 sal_Int64 SAL_CALL FTPInputStream::getLength(
156 void
157 )
158 {
159 return m_nLength;
160 }
161