Jtt1078MessageDecoder.java
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package cn.org.hentai.jtt1078.server;
import cn.org.hentai.jtt1078.util.ByteUtils;
import cn.org.hentai.jtt1078.util.Packet;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
/**
* Created by matrixy on 2019/4/9.
*/
public class Jtt1078MessageDecoder extends ByteToMessageDecoder
{
static Logger logger = LoggerFactory.getLogger(Jtt1078MessageDecoder.class);
byte[] block = new byte[4096];
Jtt1078Decoder decoder = new Jtt1078Decoder();
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception
{
int length = in.readableBytes();
for (int i = 0, k = (int)Math.ceil(length / 512f); i < k; i++)
{
int l = i < k - 1 ? 512 : length - (i * 512);
in.readBytes(block, 0, l);
decoder.write(block, 0, l);
while (true)
{
Packet p = decoder.decode();
if (p == null) break;
out.add(p);
}
}
}
}