#pragma once

#include "envoy/router/cluster_specifier_plugin.h"

namespace Envoy {

namespace Router {

class HeaderClusterSpecifierPlugin : public ClusterSpecifierPlugin {

public:

  HeaderClusterSpecifierPlugin(absl::string_view cluster_header);

  RouteConstSharedPtr route(RouteEntryAndRouteConstSharedPtr parent,

                            const Http::RequestHeaderMap& headers,

                            const StreamInfo::StreamInfo& stream_info,

                            uint64_t random) const override;

private:

  const Http::LowerCaseString cluster_header_;

};

} // namespace Router

} // namespace Envoy