blob: ab74c7d720ea57abdb827652ecf68d22e1b9d6af (
plain)
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
|
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_TRACE_SUBSCRIBER_STDIO_H_
#define CONTENT_BROWSER_TRACE_SUBSCRIBER_STDIO_H_
#pragma once
#include <string>
#include "base/file_util.h"
#include "content/browser/trace_controller.h"
#include "content/common/content_export.h"
// Stdio implementation of TraceSubscriber. Use this to write traces to a file.
class CONTENT_EXPORT TraceSubscriberStdio : public TraceSubscriber {
public:
TraceSubscriberStdio();
// Creates or overwrites the specified file. Check IsValid() for success.
explicit TraceSubscriberStdio(const FilePath& path);
// Creates or overwrites the specified file. Returns true on success.
bool OpenFile(const FilePath& path);
// Finishes json output and closes file.
void CloseFile();
// Returns TRUE if we're currently writing data to a file.
bool IsValid();
// Implementation of TraceSubscriber
virtual void OnEndTracingComplete();
virtual void OnTraceDataCollected(const std::string& trace_fragment);
virtual ~TraceSubscriberStdio();
private:
void Write(const std::string& output_str);
FILE* file_;
base::debug::TraceResultBuffer trace_buffer_;
};
#endif // CONTENT_BROWSER_TRACE_SUBSCRIBER_STDIO_H_
|
