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
|
/* -*- 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 INCLUDED_PACKAGE_INC_ZIPOUTPUTENTRY_HXX
#define INCLUDED_PACKAGE_INC_ZIPOUTPUTENTRY_HXX
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XTempFile.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/xml/crypto/XCipherContext.hpp>
#include <com/sun/star/xml/crypto/XDigestContext.hpp>
#include <package/Deflater.hxx>
#include <comphelper/threadpool.hxx>
#include "CRC32.hxx"
#include <atomic>
struct ZipEntry;
class ZipPackageBuffer;
class ZipPackageStream;
class ZipOutputEntryBase
{
protected:
css::uno::Reference< css::uno::XComponentContext > m_xContext;
css::uno::Reference< css::io::XOutputStream > m_xOutStream;
css::uno::Reference< css::xml::crypto::XCipherContext > m_xCipherContext;
css::uno::Reference< css::xml::crypto::XDigestContext > m_xDigestContext;
CRC32 m_aCRC;
ZipEntry *m_pCurrentEntry;
sal_Int16 m_nDigested;
ZipPackageStream* m_pCurrentStream;
bool m_bEncryptCurrentEntry;
public:
virtual ~ZipOutputEntryBase() = default;
virtual void writeStream(const css::uno::Reference< css::io::XInputStream >& xInStream) = 0;
ZipEntry* getZipEntry() { return m_pCurrentEntry; }
ZipPackageStream* getZipPackageStream() { return m_pCurrentStream; }
bool isEncrypt() const { return m_bEncryptCurrentEntry; }
void closeEntry();
protected:
ZipOutputEntryBase(
const css::uno::Reference< css::io::XOutputStream >& rxOutStream,
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
ZipEntry& rEntry, ZipPackageStream* pStream, bool bEncrypt, bool checkStream);
// Inherited classes call this with deflated data buffer.
void processDeflated( const css::uno::Sequence< sal_Int8 >& deflateBuffer, sal_Int32 nLength );
// Inherited classes call this with the input buffer.
void processInput( const css::uno::Sequence< sal_Int8 >& rBuffer );
virtual void finishDeflater() = 0;
virtual sal_Int64 getDeflaterTotalIn() const = 0;
virtual sal_Int64 getDeflaterTotalOut() const = 0;
virtual void deflaterReset() = 0;
virtual bool isDeflaterFinished() const = 0;
};
// Normal non-threaded case.
class ZipOutputEntry : public ZipOutputEntryBase
{
css::uno::Sequence< sal_Int8 > m_aDeflateBuffer;
ZipUtils::Deflater m_aDeflater;
public:
ZipOutputEntry(
const css::uno::Reference< css::io::XOutputStream >& rxOutStream,
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
ZipEntry& rEntry, ZipPackageStream* pStream, bool bEncrypt);
void writeStream(const css::uno::Reference< css::io::XInputStream >& xInStream) override;
void write(const css::uno::Sequence< sal_Int8 >& rBuffer);
protected:
ZipOutputEntry(
const css::uno::Reference< css::io::XOutputStream >& rxOutStream,
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
ZipEntry& rEntry, ZipPackageStream* pStream, bool bEncrypt, bool checkStream);
virtual void finishDeflater() override;
virtual sal_Int64 getDeflaterTotalIn() const override;
virtual sal_Int64 getDeflaterTotalOut() const override;
virtual void deflaterReset() override;
virtual bool isDeflaterFinished() const override;
void doDeflate();
};
// Class that runs the compression in a background thread.
class ZipOutputEntryInThread final : public ZipOutputEntry
{
class Task;
css::uno::Reference<css::io::XTempFile> m_xTempFile;
std::exception_ptr m_aParallelDeflateException;
std::atomic<bool> m_bFinished;
public:
ZipOutputEntryInThread(
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
ZipEntry& rEntry, ZipPackageStream* pStream, bool bEncrypt);
std::unique_ptr<comphelper::ThreadTask> createTask(
const std::shared_ptr<comphelper::ThreadTaskTag>& pTag,
const css::uno::Reference< css::io::XInputStream >& xInStream );
/* This block of methods is for threaded zipping, where we compress to a temp stream, whose
data is retrieved via getData */
void createBufferFile();
void setParallelDeflateException(const std::exception_ptr& exception) { m_aParallelDeflateException = exception; }
css::uno::Reference< css::io::XInputStream > getData() const;
const std::exception_ptr& getParallelDeflateException() const { return m_aParallelDeflateException; }
void closeBufferFile();
void deleteBufferFile();
bool isFinished() const { return m_bFinished; }
private:
void setFinished() { m_bFinished = true; }
};
// Class that synchronously runs the compression in multiple threads (using ThreadDeflater).
class ZipOutputEntryParallel final : public ZipOutputEntryBase
{
sal_Int64 totalIn;
sal_Int64 totalOut;
bool finished;
public:
ZipOutputEntryParallel(
const css::uno::Reference< css::io::XOutputStream >& rxOutStream,
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
ZipEntry& rEntry, ZipPackageStream* pStream, bool bEncrypt);
void writeStream(const css::uno::Reference< css::io::XInputStream >& xInStream) override;
private:
virtual void finishDeflater() override;
virtual sal_Int64 getDeflaterTotalIn() const override;
virtual sal_Int64 getDeflaterTotalOut() const override;
virtual void deflaterReset() override;
virtual bool isDeflaterFinished() const override;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
