club.jmint.crossing.client.ClientChannelInitializer.java Source code

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Here is the source code for club.jmint.crossing.client.ClientChannelInitializer.java

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/*
 * Copyright 2016 The Crossing Project
 *
 * The Crossing Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package club.jmint.crossing.client;

import club.jmint.crossing.specs.protobuf.CrossingRespProto;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.protobuf.ProtobufDecoder;
import io.netty.handler.codec.protobuf.ProtobufEncoder;
import io.netty.handler.codec.protobuf.ProtobufVarint32FrameDecoder;
import io.netty.handler.codec.protobuf.ProtobufVarint32LengthFieldPrepender;
import io.netty.handler.ssl.SslContext;

/**
 * @author shc
 *
 */
public class ClientChannelInitializer extends ChannelInitializer<SocketChannel> {
    private SslContext sslCtx;
    private ClientHandler handler;

    public ClientChannelInitializer(SslContext ctx, ClientHandler ch) {
        this.sslCtx = ctx;
        this.handler = ch;
    }

    @Override
    protected void initChannel(SocketChannel ch) throws Exception {
        // TODO Auto-generated method stub
        ChannelPipeline p = ch.pipeline();
        if (sslCtx != null) {
            p.addLast(sslCtx.newHandler(ch.alloc()));
        }

        p.addLast(new ProtobufVarint32FrameDecoder());
        p.addLast(new ProtobufDecoder(CrossingRespProto.CrossingResp.getDefaultInstance()));
        p.addLast(new ProtobufVarint32LengthFieldPrepender());
        p.addLast(new ProtobufEncoder());

        p.addLast(handler);
    }
}