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https://github.com/flutter/flutter.git
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c8eff5e44f
This updates to mojo commit d259eb58aa59 and limits the roll script to only pull in the parts of //mojo that are currently being used. More stuff will be dropped in the future.
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "mojo/common/trace_provider_impl.h"
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#include "base/logging.h"
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#include "base/trace_event/trace_config.h"
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#include "base/trace_event/trace_event.h"
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#include "mojo/public/cpp/application/application_connection.h"
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#include "mojo/public/cpp/application/application_impl.h"
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namespace mojo {
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TraceProviderImpl::TraceProviderImpl(
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InterfaceRequest<tracing::TraceProvider> request)
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: tracing_already_started_(false), binding_(this, request.Pass()) {
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}
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TraceProviderImpl::~TraceProviderImpl() {
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}
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void TraceProviderImpl::StartTracing(const String& categories,
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tracing::TraceRecorderPtr collector) {
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DCHECK(!recorder_.get());
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recorder_ = collector.Pass();
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if (!tracing_already_started_) {
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std::string categories_str = categories.To<std::string>();
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base::trace_event::TraceLog::GetInstance()->SetEnabled(
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base::trace_event::TraceConfig(categories_str,
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base::trace_event::RECORD_UNTIL_FULL),
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base::trace_event::TraceLog::RECORDING_MODE);
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}
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}
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void TraceProviderImpl::StopTracing() {
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DCHECK(recorder_);
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base::trace_event::TraceLog::GetInstance()->SetDisabled();
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base::trace_event::TraceLog::GetInstance()->Flush(
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base::Bind(&TraceProviderImpl::SendChunk, base::Unretained(this)));
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}
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void TraceProviderImpl::SendChunk(
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const scoped_refptr<base::RefCountedString>& events_str,
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bool has_more_events) {
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DCHECK(recorder_);
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recorder_->Record(mojo::String(events_str->data()));
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if (!has_more_events) {
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recorder_.reset();
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}
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}
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} // namespace mojo
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