blob: 080ea04fe81651a5893bb9c35f9dddcd67154221 (
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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
// Copyright (c) 2012 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 COMPONENTS_TRACING_CHILD_TRACE_MESSAGE_FILTER_H_
#define COMPONENTS_TRACING_CHILD_TRACE_MESSAGE_FILTER_H_
#include "base/bind.h"
#include "base/memory/ref_counted_memory.h"
#include "base/trace_event/memory_dump_request_args.h"
#include "ipc/message_filter.h"
namespace base {
class MessageLoopProxy;
}
namespace tracing {
// This class sends and receives trace messages on child processes.
class ChildTraceMessageFilter : public IPC::MessageFilter {
public:
explicit ChildTraceMessageFilter(base::MessageLoopProxy* ipc_message_loop);
// IPC::MessageFilter implementation.
void OnFilterAdded(IPC::Sender* sender) override;
void OnFilterRemoved() override;
bool OnMessageReceived(const IPC::Message& message) override;
void SendGlobalMemoryDumpRequest(
const base::trace_event::MemoryDumpRequestArgs& args,
const base::trace_event::MemoryDumpCallback& callback);
base::MessageLoopProxy* ipc_message_loop() const { return ipc_message_loop_; }
protected:
~ChildTraceMessageFilter() override;
private:
// Message handlers.
void OnBeginTracing(const std::string& category_filter_str,
base::TimeTicks browser_time,
const std::string& options);
void OnEndTracing();
void OnEnableMonitoring(const std::string& category_filter_str,
base::TimeTicks browser_time,
const std::string& options);
void OnDisableMonitoring();
void OnCaptureMonitoringSnapshot();
void OnGetTraceLogStatus();
void OnSetWatchEvent(const std::string& category_name,
const std::string& event_name);
void OnCancelWatchEvent();
void OnWatchEventMatched();
void OnProcessMemoryDumpRequest(
const base::trace_event::MemoryDumpRequestArgs& args);
void OnGlobalMemoryDumpResponse(uint64 dump_guid, bool success);
// Callback from trace subsystem.
void OnTraceDataCollected(
const scoped_refptr<base::RefCountedString>& events_str_ptr,
bool has_more_events);
void OnMonitoringTraceDataCollected(
const scoped_refptr<base::RefCountedString>& events_str_ptr,
bool has_more_events);
IPC::Sender* sender_;
base::MessageLoopProxy* ipc_message_loop_;
// guid of the outstanding request (to the Browser's MemoryDumpManager), if
// any. 0 if there is no request pending.
uint64 pending_memory_dump_guid_;
// callback of the outstanding memory dump request, if any.
base::trace_event::MemoryDumpCallback pending_memory_dump_callback_;
DISALLOW_COPY_AND_ASSIGN(ChildTraceMessageFilter);
};
} // namespace tracing
#endif // COMPONENTS_TRACING_CHILD_TRACE_MESSAGE_FILTER_H_
|
