1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 package io.netty.example.worldclock;
17
18 import io.netty.channel.ChannelInitializer;
19 import io.netty.channel.ChannelPipeline;
20 import io.netty.channel.socket.SocketChannel;
21 import io.netty.handler.codec.protobuf.ProtobufDecoder;
22 import io.netty.handler.codec.protobuf.ProtobufEncoder;
23 import io.netty.handler.codec.protobuf.ProtobufVarint32FrameDecoder;
24 import io.netty.handler.codec.protobuf.ProtobufVarint32LengthFieldPrepender;
25 import io.netty.handler.ssl.SslContext;
26
27 public class WorldClockClientInitializer extends ChannelInitializer<SocketChannel> {
28
29 private final SslContext sslCtx;
30
31 public WorldClockClientInitializer(SslContext sslCtx) {
32 this.sslCtx = sslCtx;
33 }
34
35 @Override
36 public void initChannel(SocketChannel ch) {
37 ChannelPipeline p = ch.pipeline();
38 if (sslCtx != null) {
39 p.addLast(sslCtx.newHandler(ch.alloc(), WorldClockClient.HOST, WorldClockClient.PORT));
40 }
41
42 p.addLast(new ProtobufVarint32FrameDecoder());
43 p.addLast(new ProtobufDecoder(WorldClockProtocol.LocalTimes.getDefaultInstance()));
44
45 p.addLast(new ProtobufVarint32LengthFieldPrepender());
46 p.addLast(new ProtobufEncoder());
47
48 p.addLast(new WorldClockClientHandler());
49 }
50 }