#pragma once

#include <memory>

#include "envoy/common/pure.h"

#include "envoy/tracing/trace_context.h"

#include "envoy/tracing/trace_driver.h"

#include "envoy/tracing/trace_reason.h"

namespace Envoy {

namespace Tracing {

/**

 * Tracer is responsible for handling traces and delegate actions to the

 * corresponding drivers.

 */

class Tracer {

public:

  virtual SpanPtr startSpan(const Config& config, TraceContext& trace_context,

                            const StreamInfo::StreamInfo& stream_info,

                            Tracing::Decision tracing_decision) PURE;

};

using TracerSharedPtr = std::shared_ptr<Tracer>;

} // namespace Tracing

} // namespace Envoy