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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_TRACE_SUBSCRIBER_STDIO_H_ | 5 #ifndef CONTENT_BROWSER_TRACE_SUBSCRIBER_STDIO_H_ |
6 #define CONTENT_BROWSER_TRACE_SUBSCRIBER_STDIO_H_ | 6 #define CONTENT_BROWSER_TRACE_SUBSCRIBER_STDIO_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/file_util.h" | 11 #include "base/file_util.h" |
12 #include "content/browser/trace_controller.h" | 12 #include "content/browser/trace_controller.h" |
13 #include "content/common/content_export.h" | 13 #include "content/common/content_export.h" |
14 | 14 |
| 15 namespace content { |
| 16 |
| 17 class TraceSubscriberStdioImpl; |
| 18 |
15 // Stdio implementation of TraceSubscriber. Use this to write traces to a file. | 19 // Stdio implementation of TraceSubscriber. Use this to write traces to a file. |
16 class CONTENT_EXPORT TraceSubscriberStdio : public TraceSubscriber { | 20 class CONTENT_EXPORT TraceSubscriberStdio : public TraceSubscriber { |
17 public: | 21 public: |
18 TraceSubscriberStdio(); | |
19 // Creates or overwrites the specified file. Check IsValid() for success. | 22 // Creates or overwrites the specified file. Check IsValid() for success. |
20 explicit TraceSubscriberStdio(const FilePath& path); | 23 explicit TraceSubscriberStdio(const FilePath& path); |
21 | 24 virtual ~TraceSubscriberStdio(); |
22 // Creates or overwrites the specified file. Returns true on success. | |
23 bool OpenFile(const FilePath& path); | |
24 // Finishes json output and closes file. | |
25 void CloseFile(); | |
26 | |
27 // Returns TRUE if we're currently writing data to a file. | |
28 bool IsValid(); | |
29 | 25 |
30 // Implementation of TraceSubscriber | 26 // Implementation of TraceSubscriber |
31 virtual void OnEndTracingComplete() OVERRIDE; | 27 virtual void OnEndTracingComplete() OVERRIDE; |
32 virtual void OnTraceDataCollected(const std::string& trace_fragment) OVERRIDE; | 28 virtual void OnTraceDataCollected( |
33 | 29 const scoped_refptr<base::RefCountedString>& data_ptr) OVERRIDE; |
34 virtual ~TraceSubscriberStdio(); | |
35 | 30 |
36 private: | 31 private: |
37 void Write(const std::string& output_str); | 32 scoped_refptr<TraceSubscriberStdioImpl> impl_; |
38 | 33 DISALLOW_COPY_AND_ASSIGN(TraceSubscriberStdio); |
39 FILE* file_; | |
40 base::debug::TraceResultBuffer trace_buffer_; | |
41 }; | 34 }; |
42 | 35 |
| 36 } // namespace content |
| 37 |
43 #endif // CONTENT_BROWSER_TRACE_SUBSCRIBER_STDIO_H_ | 38 #endif // CONTENT_BROWSER_TRACE_SUBSCRIBER_STDIO_H_ |
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