ProtoBufClientHandler

public class ProtoBufClientHandler extends ChannelInboundHandlerAdapter {
    @Override
    public void channelActive(ChannelHandlerContext ctx) {
       System.out.println("Prepare to make data........");
       PersonProto.Person.Builder builder = PersonProto.Person.newBuilder();
        builder.setName("Mark");
        builder.setId(1);
        builder.setEmail("Mark@enjoyedu.com");
        System.out.println("send data........");
        ctx.writeAndFlush(builder.build());
    }
    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        cause.printStackTrace();
        ctx.close();
    }
}