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// Copyright 2014 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 "services/tracing/data_sink.h"
#include <utility>
#include "base/logging.h"
#include "mojo/common/data_pipe_utils.h"
using mojo::common::BlockingCopyFromString;
namespace tracing {
DataSink::DataSink(mojo::ScopedDataPipeProducerHandle pipe)
: pipe_(std::move(pipe)), empty_(true) {}
DataSink::~DataSink() {
if (pipe_.is_valid())
pipe_.reset();
DCHECK(!pipe_.is_valid());
}
void DataSink::AddChunk(const std::string& json) {
if (!empty_)
BlockingCopyFromString(",", pipe_);
empty_ = false;
BlockingCopyFromString(json, pipe_);
}
} // namespace tracing
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