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Side by Side Diff: content/browser/tracing/trace_message_filter.h

Issue 2694083005: memory-infra: Finish moving memory_infra from TracingController (Closed)
Patch Set: style: auto must not deduce to raw pointer Created 3 years, 9 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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_TRACING_TRACE_MESSAGE_FILTER_H_ 5 #ifndef CONTENT_BROWSER_TRACING_TRACE_MESSAGE_FILTER_H_
6 #define CONTENT_BROWSER_TRACING_TRACE_MESSAGE_FILTER_H_ 6 #define CONTENT_BROWSER_TRACING_TRACE_MESSAGE_FILTER_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include <string> 10 #include <string>
11 #include <vector> 11 #include <vector>
12 12
13 #include "base/macros.h" 13 #include "base/macros.h"
14 #include "base/trace_event/memory_dump_request_args.h"
15 #include "base/trace_event/trace_event.h" 14 #include "base/trace_event/trace_event.h"
16 #include "content/public/browser/browser_message_filter.h" 15 #include "content/public/browser/browser_message_filter.h"
17 16
18 namespace content { 17 namespace content {
19 18
20 // This class sends and receives trace messages on the browser process. 19 // This class sends and receives trace messages on the browser process.
21 // See also: tracing_controller.h 20 // See also: tracing_controller.h
22 // See also: child_trace_message_filter.h 21 // See also: child_trace_message_filter.h
23 class TraceMessageFilter : public BrowserMessageFilter { 22 class TraceMessageFilter : public BrowserMessageFilter {
24 public: 23 public:
25 explicit TraceMessageFilter(int child_process_id); 24 explicit TraceMessageFilter(int child_process_id);
26 25
27 // BrowserMessageFilter implementation. 26 // BrowserMessageFilter implementation.
28 void OnChannelClosing() override; 27 void OnChannelClosing() override;
29 bool OnMessageReceived(const IPC::Message& message) override; 28 bool OnMessageReceived(const IPC::Message& message) override;
30 29
31 void SendBeginTracing( 30 void SendBeginTracing(
32 const base::trace_event::TraceConfig& trace_config); 31 const base::trace_event::TraceConfig& trace_config);
33 void SendEndTracing(); 32 void SendEndTracing();
34 void SendCancelTracing(); 33 void SendCancelTracing();
35 void SendGetTraceLogStatus(); 34 void SendGetTraceLogStatus();
36 void SendSetWatchEvent(const std::string& category_name, 35 void SendSetWatchEvent(const std::string& category_name,
37 const std::string& event_name); 36 const std::string& event_name);
38 void SendCancelWatchEvent(); 37 void SendCancelWatchEvent();
39 void SendProcessMemoryDumpRequest(
40 const base::trace_event::MemoryDumpRequestArgs& args);
41 38
42 protected: 39 protected:
43 ~TraceMessageFilter() override; 40 ~TraceMessageFilter() override;
44 41
45 private: 42 private:
46 // Message handlers. 43 // Message handlers.
47 void OnChildSupportsTracing(); 44 void OnChildSupportsTracing();
48 void OnEndTracingAck(const std::vector<std::string>& known_categories); 45 void OnEndTracingAck(const std::vector<std::string>& known_categories);
49 void OnWatchEventMatched(); 46 void OnWatchEventMatched();
50 void OnTraceLogStatusReply(const base::trace_event::TraceLogStatus& status); 47 void OnTraceLogStatusReply(const base::trace_event::TraceLogStatus& status);
51 void OnTraceDataCollected(const std::string& data); 48 void OnTraceDataCollected(const std::string& data);
52 void OnGlobalMemoryDumpRequest(
53 const base::trace_event::MemoryDumpRequestArgs& args);
54 void OnProcessMemoryDumpResponse(uint64_t dump_guid, bool success);
55
56 void SendGlobalMemoryDumpResponse(uint64_t dump_guid, bool success);
57 void OnTriggerBackgroundTrace(const std::string& histogram_name); 49 void OnTriggerBackgroundTrace(const std::string& histogram_name);
58 void OnAbortBackgroundTrace(); 50 void OnAbortBackgroundTrace();
59 51
60 // ChildTraceMessageFilter exists: 52 // ChildTraceMessageFilter exists:
61 bool has_child_; 53 bool has_child_;
62 54
63 // Hash of id of the child process. 55 // Hash of id of the child process.
64 uint64_t tracing_process_id_; 56 uint64_t tracing_process_id_;
65 57
66 // Awaiting ack for previously sent SendEndTracing 58 // Awaiting ack for previously sent SendEndTracing
67 bool is_awaiting_end_ack_; 59 bool is_awaiting_end_ack_;
68 // Awaiting ack for previously sent SendGetTraceLogStatus 60 // Awaiting ack for previously sent SendGetTraceLogStatus
69 bool is_awaiting_buffer_percent_full_ack_; 61 bool is_awaiting_buffer_percent_full_ack_;
70 62
71 DISALLOW_COPY_AND_ASSIGN(TraceMessageFilter); 63 DISALLOW_COPY_AND_ASSIGN(TraceMessageFilter);
72 }; 64 };
73 65
74 } // namespace content 66 } // namespace content
75 67
76 #endif // CONTENT_BROWSER_TRACING_TRACE_MESSAGE_FILTER_H_ 68 #endif // CONTENT_BROWSER_TRACING_TRACE_MESSAGE_FILTER_H_
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