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#include "source/common/rds/route_config_update_receiver_impl.h"
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#include "source/common/rds/util.h"

            

        

            

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namespace Envoy {

            

        

            

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namespace Rds {

            

        

            

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RouteConfigUpdateReceiverImpl::RouteConfigUpdateReceiverImpl(

            

        

            

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    ConfigTraits& config_traits, ProtoTraits& proto_traits,

            

        

            

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    Server::Configuration::ServerFactoryContext& factory_context)

            

        

            

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    : config_traits_(config_traits), proto_traits_(proto_traits), factory_context_(factory_context),

            

        

            

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      time_source_(factory_context.timeSource()),

            

        

            

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      route_config_proto_(proto_traits_.createEmptyProto()),

            

        

            

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      config_(config_traits_.createNullConfig()) {}

            

        

            

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void RouteConfigUpdateReceiverImpl::updateConfig(

            

        

            

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    std::unique_ptr<Protobuf::Message>&& route_config_proto) {

            

        

            

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  config_ = config_traits_.createConfig(*route_config_proto, factory_context_,

            

        

            

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                                        false /* not validate unknown cluster */);

            

        

            

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  // If the above create config doesn't raise exception, update the

            

        

            

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  // other cached config entries.

            

        

            

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  route_config_proto_ = std::move(route_config_proto);

            

        

            

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}

            

        

            

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void RouteConfigUpdateReceiverImpl::onUpdateCommon(const std::string& version_info) {

            

        

            

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  last_updated_ = time_source_.systemTime();

            

        

            

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  config_info_.emplace(RouteConfigProvider::ConfigInfo{*route_config_proto_, version_info});

            

        

            

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}

            

        

            

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// Rds::RouteConfigUpdateReceiver

            

        

            

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bool RouteConfigUpdateReceiverImpl::onRdsUpdate(const Protobuf::Message& rc,

            

        

            

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                                                const std::string& version_info) {

            

        

            

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  uint64_t new_hash = getHash(rc);

            

        

            

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  if (!checkHash(new_hash)) {

            

        

            

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    return false;

            

        

            

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  }

            

        

            

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  updateConfig(cloneProto(proto_traits_, rc));

            

        

            

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  updateHash(new_hash);

            

        

            

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  onUpdateCommon(version_info);

            

        

            

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  return true;

            

        

            

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}

            

        

            

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const absl::optional<RouteConfigProvider::ConfigInfo>&

            

        

            

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RouteConfigUpdateReceiverImpl::configInfo() const {

            

        

            

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  return config_info_;

            

        

            

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}

            

        

            

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} // namespace Rds

            

        

            

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} // namespace Envoy