com.netty.game.client.handler.ClientExtHandler.java Source code

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Here is the source code for com.netty.game.client.handler.ClientExtHandler.java

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/*
 * Copyright 2012 The Netty Project
 *
 * The Netty 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 com.netty.game.client.handler;

import com.netty.game.server.config.ServerConfigData;
import com.netty.game.server.msg.ServerCustomMsg;
import com.netty.game.server.msg.ServerCustomMsg.CustomMsg;
import com.netty.game.server.msg.ServerCustomMsg.CustomMsg.CustomParam;
import com.netty.game.server.msg.ServerCustomMsg.CustomMsg.ParamValue;
import com.netty.game.server.util.StringUtils;

import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;

public class ClientExtHandler extends ChannelHandlerAdapter {

    @Override
    public void channelActive(ChannelHandlerContext ctx) {
        ctx.writeAndFlush(buildExtReq(ServerConfigData.CMD_EXT, "1_1_1", "dev"));
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        ServerCustomMsg.CustomMsg resp = (CustomMsg) msg;
        System.out.println("received msg: \n" + resp);
    }

    private ServerCustomMsg.CustomMsg buildExtReq(int cmd, String subCmd, String mySubCmdParam) {
        ParamValue.Builder subCmdParam = ParamValue.newBuilder();
        subCmdParam.addValue(subCmd);
        CustomParam.Builder subCmdCustomParam = CustomParam.newBuilder();
        subCmdCustomParam.setParamKey(ServerConfigData.KEY_SUB_CMD);
        subCmdCustomParam.setParamValues(subCmdParam);

        CustomMsg.Builder msgBuild = CustomMsg.newBuilder();
        msgBuild.setCmd(cmd);
        msgBuild.addParams(subCmdCustomParam);
        if (!StringUtils.isBlank(mySubCmdParam)) {
            ParamValue.Builder _mySubCmdParam = ParamValue.newBuilder();
            _mySubCmdParam.addValue(mySubCmdParam);
            CustomParam.Builder mySubCmdCustomParam = CustomParam.newBuilder();
            mySubCmdCustomParam.setParamKey(ServerConfigData.KEY_SUBCMD_PARAM);
            mySubCmdCustomParam.setParamValues(_mySubCmdParam);
            msgBuild.addParams(mySubCmdCustomParam);
        }

        return msgBuild.build();
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        cause.printStackTrace();
        ctx.close();
    }
}