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// Copyright 2015 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.
#include "mojo/common/trace_controller_impl.h"
#include "base/trace_event/trace_event.h"
#include "third_party/mojo/src/mojo/public/cpp/application/application_connection.h"
#include "third_party/mojo/src/mojo/public/cpp/application/application_impl.h"
namespace mojo {
TraceControllerImpl::TraceControllerImpl(
InterfaceRequest<tracing::TraceController> request)
: binding_(this, request.Pass()) {
}
TraceControllerImpl::~TraceControllerImpl() {
}
void TraceControllerImpl::StartTracing(
const String& categories,
tracing::TraceDataCollectorPtr collector) {
DCHECK(!collector_.get());
collector_ = collector.Pass();
std::string categories_str = categories.To<std::string>();
base::trace_event::TraceLog::GetInstance()->SetEnabled(
base::trace_event::CategoryFilter(categories_str),
base::trace_event::TraceLog::RECORDING_MODE,
base::trace_event::TraceOptions(base::trace_event::RECORD_UNTIL_FULL));
}
void TraceControllerImpl::StopTracing() {
base::trace_event::TraceLog::GetInstance()->SetDisabled();
base::trace_event::TraceLog::GetInstance()->Flush(
base::Bind(&TraceControllerImpl::SendChunk, base::Unretained(this)));
}
void TraceControllerImpl::SendChunk(
const scoped_refptr<base::RefCountedString>& events_str,
bool has_more_events) {
collector_->DataCollected(mojo::String(events_str->data()));
if (!has_more_events) {
collector_.reset();
}
}
} // namespace mojo
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