content: /*
   * Copyright 1999-2018 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.istio.mcp;
  
  import com.alibaba.nacos.istio.common.AbstractConnection;
  import com.alibaba.nacos.istio.common.WatchedStatus;
  import com.alibaba.nacos.istio.misc.Loggers;
  import io.grpc.stub.StreamObserver;
  import istio.mcp.v1alpha1.Mcp;
  
  /**
   * @author special.fy
   */
  public class McpConnection extends AbstractConnection<Mcp.Resources> {
  
      public McpConnection(StreamObserver<Mcp.Resources> streamObserver) {
          super(streamObserver);
      }
  
      @Override
      public synchronized void push(Mcp.Resources response, WatchedStatus watchedStatus) {
          if (Loggers.MAIN.isDebugEnabled()) {
              Loggers.MAIN.debug("Mcp.Resources: {}", response.toString());
          }
  
          this.streamObserver.onNext(response);
  
          // Update watched status
          watchedStatus.setLatestVersion(response.getSystemVersionInfo());
          watchedStatus.setLatestNonce(response.getNonce());
  
          Loggers.MAIN.info("mcp: push, type: {}, connection-id {}, version {}, nonce {}, resource size {}.",
                  watchedStatus.getType(),
                  getConnectionId(),
                  response.getSystemVersionInfo(),
                  response.getNonce(),
                  response.getResourcesCount());
      }
  }
  