org.tron.p2p.connection.message.keepalive.PongMessage Maven / Gradle / Ivy

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libp2p is a p2p network SDK implemented in java language.

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package org.tron.p2p.connection.message.keepalive;

import org.tron.p2p.base.Parameter;
import org.tron.p2p.connection.message.Message;
import org.tron.p2p.connection.message.MessageType;
import org.tron.p2p.protos.Connect;

public class PongMessage extends Message {

  private Connect.KeepAliveMessage keepAliveMessage;

  public PongMessage(byte[] data) throws Exception {
    super(MessageType.KEEP_ALIVE_PONG, data);
    this.keepAliveMessage = Connect.KeepAliveMessage.parseFrom(data);
  }

  public PongMessage() {
    super(MessageType.KEEP_ALIVE_PONG, null);
    this.keepAliveMessage = Connect.KeepAliveMessage.newBuilder()
        .setTimestamp(System.currentTimeMillis()).build();
    this.data = this.keepAliveMessage.toByteArray();
  }

  public long getTimeStamp() {
    return this.keepAliveMessage.getTimestamp();
  }

  @Override
  public boolean valid() {
    return getTimeStamp() > 0
        && getTimeStamp() <= System.currentTimeMillis() + Parameter.NETWORK_TIME_DIFF;
  }
}