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Side by Side Diff: components/update_client/component_patcher.h

Issue 808773005: Move most of the component updater artifacts to update_client. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 11 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Component updates can be either differential updates or full updates. 5 // Component updates can be either differential updates or full updates.
6 // Full updates come in CRX format; differential updates come in CRX-style 6 // Full updates come in CRX format; differential updates come in CRX-style
7 // archives, but have a different magic number. They contain "commands.json", a 7 // archives, but have a different magic number. They contain "commands.json", a
8 // list of commands for the patcher to follow. The patcher uses these commands, 8 // list of commands for the patcher to follow. The patcher uses these commands,
9 // the other files in the archive, and the files from the existing installation 9 // the other files in the archive, and the files from the existing installation
10 // of the component to create the contents of a full update, which is then 10 // of the component to create the contents of a full update, which is then
11 // installed normally. 11 // installed normally.
12 // Component updates are specified by the 'codebasediff' attribute of an 12 // Component updates are specified by the 'codebasediff' attribute of an
13 // updatecheck response: 13 // updatecheck response:
14 // <updatecheck codebase="http://example.com/extension_1.2.3.4.crx" 14 // <updatecheck codebase="http://example.com/extension_1.2.3.4.crx"
15 // hash="12345" size="9854" status="ok" version="1.2.3.4" 15 // hash="12345" size="9854" status="ok" version="1.2.3.4"
16 // prodversionmin="2.0.143.0" 16 // prodversionmin="2.0.143.0"
17 // codebasediff="http://example.com/diff_1.2.3.4.crx" 17 // codebasediff="http://example.com/diff_1.2.3.4.crx"
18 // hashdiff="123" sizediff="101" 18 // hashdiff="123" sizediff="101"
19 // fp="1.123" /> 19 // fp="1.123" />
20 // The component updater will attempt a differential update if it is available 20 // The component updater will attempt a differential update if it is available
21 // and allowed to, and fall back to a full update if it fails. 21 // and allowed to, and fall back to a full update if it fails.
22 // 22 //
23 // After installation (diff or full), the component updater records "fp", the 23 // After installation (diff or full), the component updater records "fp", the
24 // fingerprint of the installed files, to later identify the existing files to 24 // fingerprint of the installed files, to later identify the existing files to
25 // the server so that a proper differential update can be provided next cycle. 25 // the server so that a proper differential update can be provided next cycle.
26 26
27 #ifndef COMPONENTS_COMPONENT_UPDATER_COMPONENT_PATCHER_H_ 27 #ifndef COMPONENTS_UPDATE_CLIENT_COMPONENT_PATCHER_H_
28 #define COMPONENTS_COMPONENT_UPDATER_COMPONENT_PATCHER_H_ 28 #define COMPONENTS_UPDATE_CLIENT_COMPONENT_PATCHER_H_
29 29
30 #include "base/callback_forward.h" 30 #include "base/callback_forward.h"
31 #include "base/macros.h" 31 #include "base/macros.h"
32 #include "base/memory/ref_counted.h" 32 #include "base/memory/ref_counted.h"
33 #include "base/memory/scoped_ptr.h" 33 #include "base/memory/scoped_ptr.h"
34 #include "base/values.h" 34 #include "base/values.h"
35 #include "components/component_updater/component_unpacker.h" 35 #include "components/update_client/component_unpacker.h"
36 36
37 namespace base { 37 namespace base {
38 class FilePath; 38 class FilePath;
39 } 39 }
40 40
41 namespace component_updater { 41 namespace update_client {
42 42
43 class ComponentInstaller; 43 class ComponentInstaller;
44 class DeltaUpdateOp; 44 class DeltaUpdateOp;
45 class OutOfProcessPatcher; 45 class OutOfProcessPatcher;
46 46
47 // The type of a patch file. 47 // The type of a patch file.
48 enum PatchType { 48 enum PatchType {
49 kPatchTypeUnknown, 49 kPatchTypeUnknown,
50 kPatchTypeCourgette, 50 kPatchTypeCourgette,
51 kPatchTypeBsdiff, 51 kPatchTypeBsdiff,
(...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after
90 scoped_refptr<OutOfProcessPatcher> out_of_process_patcher_; 90 scoped_refptr<OutOfProcessPatcher> out_of_process_patcher_;
91 ComponentUnpacker::Callback callback_; 91 ComponentUnpacker::Callback callback_;
92 scoped_ptr<base::ListValue> commands_; 92 scoped_ptr<base::ListValue> commands_;
93 base::ValueVector::const_iterator next_command_; 93 base::ValueVector::const_iterator next_command_;
94 scoped_refptr<DeltaUpdateOp> current_operation_; 94 scoped_refptr<DeltaUpdateOp> current_operation_;
95 scoped_refptr<base::SequencedTaskRunner> task_runner_; 95 scoped_refptr<base::SequencedTaskRunner> task_runner_;
96 96
97 DISALLOW_COPY_AND_ASSIGN(ComponentPatcher); 97 DISALLOW_COPY_AND_ASSIGN(ComponentPatcher);
98 }; 98 };
99 99
100 } // namespace component_updater 100 } // namespace update_client
101 101
102 #endif // COMPONENTS_COMPONENT_UPDATER_COMPONENT_PATCHER_H_ 102 #endif // COMPONENTS_UPDATE_CLIENT_COMPONENT_PATCHER_H_
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