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Side by Side Diff: mojo/common/trace_controller_impl.cc

Issue 791493006: De-client tracing.TraceController interface (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: hook mojo shell up again Created 6 years ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "mojo/common/trace_controller_impl.h"
6
7 #include "base/debug/trace_event.h"
8 #include "mojo/public/cpp/application/application_connection.h"
9 #include "mojo/public/cpp/application/application_impl.h"
10
11 namespace mojo {
12
13 TraceControllerImpl::TraceControllerImpl()
14 : binding_(this), delete_on_error_(false) {
15 }
16
17 TraceControllerImpl::~TraceControllerImpl() {
18 }
19
20 void TraceControllerImpl::Bind(
21 InterfaceRequest<tracing::TraceController> request) {
22 binding_.Bind(request.Pass());
23 delete_on_error_ = true;
24 }
25
26 void TraceControllerImpl::Bind(ScopedMessagePipeHandle client_handle) {
27 binding_.Bind(client_handle.Pass());
28 }
29
30 void TraceControllerImpl::StartTracing(
31 const String& categories,
32 tracing::TraceDataCollectorPtr collector) {
33 DCHECK(!collector_.get());
34 collector_ = collector.Pass();
35 std::string categories_str = categories.To<std::string>();
36 base::debug::TraceLog::GetInstance()->SetEnabled(
37 base::debug::CategoryFilter(categories_str),
38 base::debug::TraceLog::RECORDING_MODE,
39 base::debug::TraceOptions(base::debug::RECORD_UNTIL_FULL));
40 }
41
42 void TraceControllerImpl::StopTracing() {
43 base::debug::TraceLog::GetInstance()->SetDisabled();
44
45 base::debug::TraceLog::GetInstance()->Flush(
46 base::Bind(&TraceControllerImpl::SendChunk, base::Unretained(this)));
47 }
48
49 void TraceControllerImpl::SendChunk(
50 const scoped_refptr<base::RefCountedString>& events_str,
51 bool has_more_events) {
52 collector_->DataCollected(mojo::String(events_str->data()));
53 if (!has_more_events) {
54 collector_.reset();
55 }
56 }
57
58 void TraceControllerImpl::OnConnectionError() {
59 if (delete_on_error_)
60 delete this;
61 }
62
63 } // namespace mojo
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