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/*
* 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.dubbo.remoting.exchange.support.header;
import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.timer.HashedWheelTimer;
import org.apache.dubbo.common.utils.Assert;
import org.apache.dubbo.common.utils.NamedThreadFactory;
import org.apache.dubbo.remoting.ChannelHandler;
import org.apache.dubbo.remoting.Client;
import org.apache.dubbo.remoting.Constants;
import org.apache.dubbo.remoting.RemotingException;
import org.apache.dubbo.remoting.exchange.ExchangeChannel;
import org.apache.dubbo.remoting.exchange.ExchangeClient;
import org.apache.dubbo.remoting.exchange.ExchangeHandler;
import java.net.InetSocketAddress;
import java.util.Collections;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
import static org.apache.dubbo.remoting.Constants.HEARTBEAT_CHECK_TICK;
import static org.apache.dubbo.remoting.Constants.LEAST_HEARTBEAT_DURATION;
import static org.apache.dubbo.remoting.Constants.TICKS_PER_WHEEL;
import static org.apache.dubbo.remoting.utils.UrlUtils.getHeartbeat;
import static org.apache.dubbo.remoting.utils.UrlUtils.getIdleTimeout;
/**
* DefaultMessageClient
*/
public class HeaderExchangeClient implements ExchangeClient {
private final Client client;
private final ExchangeChannel channel;
private static final HashedWheelTimer IDLE_CHECK_TIMER = new HashedWheelTimer(
new NamedThreadFactory("dubbo-client-idleCheck", true), 1, TimeUnit.SECONDS, TICKS_PER_WHEEL);
private HeartbeatTimerTask heartBeatTimerTask;
private ReconnectTimerTask reconnectTimerTask;
public HeaderExchangeClient(Client client, boolean startTimer) {
Assert.notNull(client, "Client can't be null");
this.client = client;
this.channel = new HeaderExchangeChannel(client);
if (startTimer) {
URL url = client.getUrl();
startReconnectTask(url);
startHeartBeatTask(url);
}
}
@Override
public CompletableFuture