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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_SINGLE_LOG_SOURCE_H_ | |
6 #define CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_SINGLE_LOG_SOURCE_H_ | |
7 | |
8 #include <stddef.h> | |
9 | |
10 #include "base/files/file.h" | |
11 #include "base/macros.h" | |
12 #include "chrome/browser/feedback/system_logs/system_logs_fetcher_base.h" | |
13 #include "components/feedback/anonymizer_tool.h" | |
14 | |
15 namespace system_logs { | |
16 | |
17 // Gathers log data from a single source, possibly incrementally. | |
18 class SingleLogSource : public SystemLogsSource { | |
19 public: | |
20 enum class SupportedSource { | |
21 // For /var/log/messages. | |
22 kMessages, | |
23 | |
24 // For /var/log/ui/ui.LATEST. | |
25 kUiLatest, | |
26 }; | |
27 | |
28 explicit SingleLogSource(SupportedSource source); | |
29 ~SingleLogSource() override; | |
30 | |
31 // system_logs::SystemLogsSource: | |
32 void Fetch(const SysLogsSourceCallback& callback) override; | |
33 | |
34 private: | |
35 friend class SingleLogSourceTest; | |
36 | |
37 // Reads all available content from |file_| that has not already been read. | |
38 void ReadFile(SystemLogsResponse* result); | |
39 | |
40 // Keeps track of how much data has been read from |file_|. | |
41 size_t num_bytes_read_; | |
42 | |
43 // Handle for reading the log file that is source of logging data. | |
44 base::File file_; | |
45 | |
46 // For removing PII from log results. | |
47 feedback::AnonymizerTool anonymizer_; | |
48 | |
49 base::WeakPtrFactory<SingleLogSource> weak_ptr_factory_; | |
50 | |
51 DISALLOW_COPY_AND_ASSIGN(SingleLogSource); | |
52 }; | |
53 | |
54 } // namespace system_logs | |
55 | |
56 #endif // CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_SINGLE_LOG_SOURCE_H_ | |
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