content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 org.apache.celeborn.service.deploy.worker.congestcontrol;
  
  import org.apache.celeborn.common.identity.UserIdentifier;
  import org.apache.celeborn.common.metrics.source.AbstractSource;
  import org.apache.celeborn.common.quota.UserTrafficQuota;
  import org.apache.celeborn.service.deploy.worker.WorkerSource;
  
  public class UserCongestionControlContext {
  
    private volatile boolean congestionControlFlag;
  
    private final UserBufferInfo userBufferInfo;
  
    private final BufferStatusHub workerBufferStatusHub;
  
    private final UserIdentifier userIdentifier;
  
    private volatile UserTrafficQuota userTrafficQuota;
  
    public UserCongestionControlContext(
        UserTrafficQuota userTrafficQuota,
        BufferStatusHub workerBufferStatusHub,
        UserBufferInfo userBufferInfo,
        AbstractSource workerSource,
        UserIdentifier userIdentifier) {
      this.congestionControlFlag = false;
      this.userBufferInfo = userBufferInfo;
      this.userIdentifier = userIdentifier;
      this.workerBufferStatusHub = workerBufferStatusHub;
      this.userTrafficQuota = userTrafficQuota;
      workerSource.addGauge(
          WorkerSource.USER_PRODUCE_SPEED(),
          userIdentifier.toJMap(),
          () -> userBufferInfo.getBufferStatusHub().avgBytesPerSec());
    }
  
    public void onCongestionControl() {
      congestionControlFlag = true;
    }
  
    public void offCongestionControl() {
      congestionControlFlag = false;
    }
  
    public boolean inCongestionControl() {
      return congestionControlFlag;
    }
  
    public void updateProduceBytes(long numBytes) {
      long timeNow = System.currentTimeMillis();
      BufferStatusHub.BufferStatusNode node = new BufferStatusHub.BufferStatusNode(numBytes);
      userBufferInfo.updateInfo(timeNow, node);
      workerBufferStatusHub.add(timeNow, (BufferStatusHub.BufferStatusNode) node.clone());
    }
  
    public UserBufferInfo getUserBufferInfo() {
      return userBufferInfo;
    }
  
    public UserIdentifier getUserIdentifier() {
      return userIdentifier;
    }
  
    public UserTrafficQuota getUserTrafficQuota() {
      return userTrafficQuota;
    }
  
    public void updateUserTrafficQuota(UserTrafficQuota userTrafficQuota) {
      this.userTrafficQuota = userTrafficQuota;
    }
  }
  