Coverage Summary for Class: PacketDecoder (co.rsk.net.discovery)

Class Class, % Method, % Line, %
PacketDecoder 0% (0/1) 0% (0/4) 0% (0/11)


1 /* 2  * This file is part of RskJ 3  * Copyright (C) 2017 RSK Labs Ltd. 4  * 5  * This program is free software: you can redistribute it and/or modify 6  * it under the terms of the GNU Lesser General Public License as published by 7  * the Free Software Foundation, either version 3 of the License, or 8  * (at your option) any later version. 9  * 10  * This program is distributed in the hope that it will be useful, 11  * but WITHOUT ANY WARRANTY; without even the implied warranty of 12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13  * GNU Lesser General Public License for more details. 14  * 15  * You should have received a copy of the GNU Lesser General Public License 16  * along with this program. If not, see <http://www.gnu.org/licenses/>. 17  */ 18  19 package co.rsk.net.discovery; 20  21  22 import co.rsk.net.discovery.message.MessageDecoder; 23 import co.rsk.net.discovery.message.PeerDiscoveryMessage; 24 import io.netty.buffer.ByteBuf; 25 import io.netty.channel.ChannelHandlerContext; 26 import io.netty.channel.socket.DatagramPacket; 27 import io.netty.handler.codec.MessageToMessageDecoder; 28 import org.ethereum.util.ByteUtil; 29 import org.slf4j.Logger; 30 import org.slf4j.LoggerFactory; 31  32 import java.net.InetSocketAddress; 33 import java.util.List; 34  35 public class PacketDecoder extends MessageToMessageDecoder<DatagramPacket> { 36  private static final Logger logger = LoggerFactory.getLogger(PacketDecoder.class); 37  38  @Override 39  public void decode(ChannelHandlerContext ctx, DatagramPacket packet, List<Object> out) throws Exception { 40  ByteBuf buf = packet.content(); 41  byte[] encoded = new byte[buf.readableBytes()]; 42  buf.readBytes(encoded); 43  out.add(this.decodeMessage(ctx, encoded, packet.sender())); 44  } 45  46  public DiscoveryEvent decodeMessage(ChannelHandlerContext ctx, byte[] encoded, InetSocketAddress sender) { 47  try { 48  PeerDiscoveryMessage msg = MessageDecoder.decode(encoded); 49  return new DiscoveryEvent(msg, sender); 50  } catch (Exception e) { 51  logger.error("Exception processing inbound message from {} : {}", ctx.channel().remoteAddress(), ByteUtil.toHexString(encoded), e); 52  throw e; 53  } 54  } 55 }