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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #ifndef CONTENT_BROWSER_BROWSER_SHUTDOWN_PROFILE_DUMPER_H_ | 5 #ifndef CONTENT_BROWSER_BROWSER_SHUTDOWN_PROFILE_DUMPER_H_ |
6 #define CONTENT_BROWSER_BROWSER_SHUTDOWN_PROFILE_DUMPER_H_ | 6 #define CONTENT_BROWSER_BROWSER_SHUTDOWN_PROFILE_DUMPER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
12 #include "base/memory/ref_counted_memory.h" | 12 #include "base/memory/ref_counted_memory.h" |
13 #include "content/common/content_export.h" | 13 #include "content/common/content_export.h" |
14 | 14 |
15 namespace base { | 15 namespace base { |
16 class FilePath; | 16 class FilePath; |
| 17 class WaitableEvent; |
17 } | 18 } |
18 | 19 |
19 namespace content { | 20 namespace content { |
20 | 21 |
21 // This class is intended to dump the tracing results of the shutdown process | 22 // This class is intended to dump the tracing results of the shutdown process |
22 // to a file before the browser process exits. | 23 // to a file before the browser process exits. |
23 // It will save the file either into the command line passed | 24 // It will save the file either into the command line passed |
24 // "--trace-shutdown-file=<name>" parameter - or - to "chrometrace.log" in the | 25 // "--trace-shutdown-file=<name>" parameter - or - to "chrometrace.log" in the |
25 // current directory. | 26 // current directory. |
26 // Use the class with a scoped_ptr to get files written in the destructor. | 27 // Use the class with a scoped_ptr to get files written in the destructor. |
27 // Note that we cannot use the asynchronous file writer since the | 28 // Note that we cannot use the asynchronous file writer since the |
28 // |SequencedWorkerPool| will get killed in the shutdown process. | 29 // |SequencedWorkerPool| will get killed in the shutdown process. |
29 class BrowserShutdownProfileDumper { | 30 class BrowserShutdownProfileDumper { |
30 public: | 31 public: |
31 BrowserShutdownProfileDumper(); | 32 BrowserShutdownProfileDumper(); |
32 | 33 |
33 ~BrowserShutdownProfileDumper(); | 34 ~BrowserShutdownProfileDumper(); |
34 | 35 |
35 private: | 36 private: |
36 // Writes all traces which happened to disk. | 37 // Writes all traces which happened to disk. |
37 void WriteTracesToDisc(const base::FilePath& file_name); | 38 void WriteTracesToDisc(const base::FilePath& file_name); |
38 | 39 |
| 40 void EndTraceAndFlush(base::WaitableEvent* flush_complete_event); |
| 41 |
39 // Returns the file name where we should save the trace dump to. | 42 // Returns the file name where we should save the trace dump to. |
40 base::FilePath GetFileName(); | 43 base::FilePath GetFileName(); |
41 | 44 |
42 // The callback for the |TraceLog::Flush| function. It saves all traces to | 45 // The callback for the |TraceLog::Flush| function. It saves all traces to |
43 // disc. | 46 // disc. |
44 void WriteTraceDataCollected( | 47 void WriteTraceDataCollected( |
| 48 base::WaitableEvent* flush_complete_event, |
45 const scoped_refptr<base::RefCountedString>& events_str, | 49 const scoped_refptr<base::RefCountedString>& events_str, |
46 bool has_more_events); | 50 bool has_more_events); |
47 | 51 |
48 // Returns true if the dump file is valid. | 52 // Returns true if the dump file is valid. |
49 bool IsFileValid(); | 53 bool IsFileValid(); |
50 | 54 |
51 // Writes a string to the dump file. | 55 // Writes a string to the dump file. |
52 void WriteString(const std::string& string); | 56 void WriteString(const std::string& string); |
53 | 57 |
54 // Write a buffer to the dump file. | 58 // Write a buffer to the dump file. |
55 void WriteChars(const char* chars, size_t size); | 59 void WriteChars(const char* chars, size_t size); |
56 | 60 |
57 // Closes the dump file. | 61 // Closes the dump file. |
58 void CloseFile(); | 62 void CloseFile(); |
59 | 63 |
60 // The number of blocks we have already written. | 64 // The number of blocks we have already written. |
61 int blocks_; | 65 int blocks_; |
62 // For dumping the content to disc. | 66 // For dumping the content to disc. |
63 FILE* dump_file_; | 67 FILE* dump_file_; |
64 | 68 |
65 DISALLOW_COPY_AND_ASSIGN(BrowserShutdownProfileDumper); | 69 DISALLOW_COPY_AND_ASSIGN(BrowserShutdownProfileDumper); |
66 }; | 70 }; |
67 | 71 |
68 } // namespace content | 72 } // namespace content |
69 | 73 |
70 #endif // CONTENT_BROWSER_BROWSER_SHUTDOWN_PROFILE_DUMPER_H_ | 74 #endif // CONTENT_BROWSER_BROWSER_SHUTDOWN_PROFILE_DUMPER_H_ |
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