content: /*
   * Copyright 1999-2020 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.alibaba.nacos.core.remote.grpc;
  
  import io.grpc.Attributes;
  import io.grpc.Context;
  import io.grpc.internal.GrpcUtil;
  import io.grpc.netty.shaded.io.netty.channel.Channel;
  
  import java.util.concurrent.TimeUnit;
  
  /**
   * Grpc server side constants.
   *
   * @author Weizhan▪Yun
   * @date 2023/1/5 15:48
   */
  final class GrpcServerConstants {
      
      static final Attributes.Key<String> ATTR_TRANS_KEY_CONN_ID = Attributes.Key.create("conn_id");
      
      static final Attributes.Key<String> ATTR_TRANS_KEY_REMOTE_IP = Attributes.Key.create("remote_ip");
      
      static final Attributes.Key<Integer> ATTR_TRANS_KEY_REMOTE_PORT = Attributes.Key.create("remote_port");
      
      static final Attributes.Key<Integer> ATTR_TRANS_KEY_LOCAL_PORT = Attributes.Key.create("local_port");
      
      static final Context.Key<String> CONTEXT_KEY_CONN_ID = Context.key("conn_id");
      
      static final Context.Key<String> CONTEXT_KEY_CONN_REMOTE_IP = Context.key("remote_ip");
      
      static final Context.Key<Integer> CONTEXT_KEY_CONN_REMOTE_PORT = Context.key("remote_port");
      
      static final Context.Key<Integer> CONTEXT_KEY_CONN_LOCAL_PORT = Context.key("local_port");
      
      static final Context.Key<Channel> CONTEXT_KEY_CHANNEL = Context.key("ctx_channel");
      
      static final String REQUEST_BI_STREAM_SERVICE_NAME = "BiRequestStream";
      
      static final String REQUEST_BI_STREAM_METHOD_NAME = "requestBiStream";
      
      static final String REQUEST_SERVICE_NAME = "Request";
      
      static final String REQUEST_METHOD_NAME = "request";
      
      static class GrpcConfig {
          
          private static final String NACOS_REMOTE_SERVER_GRPC_PREFIX = "nacos.remote.server.grpc.";
          
          private static final String NACOS_REMOTE_SERVER_GRPC_SDK_PREFIX = NACOS_REMOTE_SERVER_GRPC_PREFIX + "sdk.";
          
          private static final String NACOS_REMOTE_SERVER_GRPC_CLUSTER_PREFIX =
                  NACOS_REMOTE_SERVER_GRPC_PREFIX + "cluster.";
          
          @Deprecated
          static final String MAX_INBOUND_MSG_SIZE_PROPERTY = NACOS_REMOTE_SERVER_GRPC_PREFIX + "maxinbound.message.size";
          
          static final String SDK_MAX_INBOUND_MSG_SIZE_PROPERTY =
                  NACOS_REMOTE_SERVER_GRPC_SDK_PREFIX + "max-inbound-message-size";
          
          static final String SDK_KEEP_ALIVE_TIME_PROPERTY = NACOS_REMOTE_SERVER_GRPC_SDK_PREFIX + "keep-alive-time";
          
          static final String SDK_KEEP_ALIVE_TIMEOUT_PROPERTY =
                  NACOS_REMOTE_SERVER_GRPC_SDK_PREFIX + "keep-alive-timeout";
          
          static final String SDK_PERMIT_KEEP_ALIVE_TIME = NACOS_REMOTE_SERVER_GRPC_SDK_PREFIX + "permit-keep-alive-time";
          
          static final String CLUSTER_MAX_INBOUND_MSG_SIZE_PROPERTY =
                  NACOS_REMOTE_SERVER_GRPC_CLUSTER_PREFIX + "max-inbound-message-size";
          
          static final String CLUSTER_KEEP_ALIVE_TIME_PROPERTY =
                  NACOS_REMOTE_SERVER_GRPC_CLUSTER_PREFIX + "keep-alive-time";
          
          static final String CLUSTER_KEEP_ALIVE_TIMEOUT_PROPERTY =
                  NACOS_REMOTE_SERVER_GRPC_CLUSTER_PREFIX + "keep-alive-timeout";
          
          static final String CLUSTER_PERMIT_KEEP_ALIVE_TIME =
                  NACOS_REMOTE_SERVER_GRPC_CLUSTER_PREFIX + "permit-keep-alive-time";
          
          static final int DEFAULT_GRPC_MAX_INBOUND_MSG_SIZE = 10 * 1024 * 1024;
          
          static final long DEFAULT_GRPC_KEEP_ALIVE_TIME = TimeUnit.NANOSECONDS.toMillis(GrpcUtil.DEFAULT_SERVER_KEEPALIVE_TIME_NANOS);
          
          static final long DEFAULT_GRPC_KEEP_ALIVE_TIMEOUT = TimeUnit.NANOSECONDS.toMillis(GrpcUtil.DEFAULT_SERVER_KEEPALIVE_TIMEOUT_NANOS);
          
          static final long DEFAULT_GRPC_PERMIT_KEEP_ALIVE_TIME = TimeUnit.MINUTES.toMillis(5L);
      }
  }
  