package com.example.agvcontroller.socket;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBufUtil;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelHandlerContext;
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import android.util.Log;
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import com.example.agvcontroller.Item;
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import com.example.agvcontroller.MainActivity;
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import com.example.agvcontroller.action.AGV_11_UP;
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import com.example.agvcontroller.action.AckMsgBuilder;
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import com.example.agvcontroller.met.AbstractInboundHandler;
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import com.example.agvcontroller.protocol.AGV_A1_DOWN;
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import com.example.agvcontroller.protocol.AgvAction;
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import com.example.agvcontroller.protocol.AgvPackage;
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import com.example.agvcontroller.protocol.ProtocolType;
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import org.greenrobot.eventbus.EventBus;
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import java.util.concurrent.ConcurrentHashMap;
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public class NettyServerHandler extends AbstractInboundHandler<AgvPackage> {
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private static final String TAG = "NettyServerHandler";
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private static ConcurrentHashMap<String, Channel> channelMap = new ConcurrentHashMap<>();
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@Override
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public void channelActive(ChannelHandlerContext ctx) throws Exception {
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String clientId = ctx.channel().remoteAddress().toString();
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channelMap.put(clientId, ctx.channel());
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EventBus.getDefault().post(new Item("1",clientId,"3"));
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Log.d(TAG, "Client connected: " + clientId);
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}
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@Override
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public void channelInactive(ChannelHandlerContext ctx) throws Exception {
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String clientId = ctx.channel().remoteAddress().toString();
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channelMap.remove(clientId);
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EventBus.getDefault().post(clientId);
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Log.d(TAG, "Client disconnected: " + clientId);
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}
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// @Override
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// public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
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// // 处理接收到的消息
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// ByteBuf byteBuf = (ByteBuf) msg;
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// try {
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// while (byteBuf.isReadable()) {
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// byte[] bytes = new byte[byteBuf.readableBytes()];
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// byteBuf.readBytes(bytes);
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// String hexString = bytesToHex(bytes);
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// // 获取agv信息 添加到list中
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// Log.d(TAG, "ctx: " + ctx.channel().remoteAddress().toString() );
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// Log.d(TAG, "Received: " + hexString);
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// }
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// } finally {
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// byteBuf.release();
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// }
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// }
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@Override
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protected boolean channelRead0(ChannelHandlerContext ctx, AgvPackage pac) throws Exception {
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String serialNum = pac.getBody().getMessageBody().getSerialNo();
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Log.i("substring",serialNum);
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MainActivity.map.put(serialNum, Boolean.TRUE);
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// ack
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ProtocolType ackType = isNeedAck(pac);
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final String uniqueNo = pac.getHeader().getUniqueNo();
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label : switch (pac.getHeader().getProtocolType()){
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case ACTION_COMPLETE: // 动作完成数据包
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AGV_11_UP agv_11_up = (AGV_11_UP) pac.getBody().getMessageBody();
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// redis.push(RedisConstant.AGV_COMPLETE_FLAG, AgvProtocol.build(uniqueNo).setMessageBody(agv_11_up));
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// 动作完成应答
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if (null != ackType) {
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AgvPackage ackPac = AckMsgBuilder.ofSuccess(pac, ackType);
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AGV_A1_DOWN agv_a1_down = (AGV_A1_DOWN) ackPac.getBody().getMessageBody();
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agv_a1_down.setAckSign((byte) agv_11_up.getCompleteCode());
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ctx.writeAndFlush(ackPac);
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}
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break label;
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}
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return false;
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}
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private String bytesToHex(byte[] bytes) {
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StringBuilder sb = new StringBuilder();
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for (byte b : bytes) {
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sb.append(String.format("%02x", b));
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}
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return sb.toString();
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}
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// 将十六进制字符串转换为字节数组
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private byte[] hexStringToByteArray(String s) {
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int len = s.length();
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byte[] data = new byte[len / 2];
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for (int i = 0; i < len; i += 2) {
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data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
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+ Character.digit(s.charAt(i+1), 16));
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}
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return data;
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}
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public static void sendMessageToClient(String clientId, byte[] message) {
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Channel channel = channelMap.get(clientId);
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if (channel != null && channel.isActive()) {
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ByteBuf buf = Unpooled.wrappedBuffer(message);
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String upperCase = ByteBufUtil.hexDump(buf).toUpperCase();
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Log.d(TAG, "upperCase " + upperCase);
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channel.writeAndFlush(buf);
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} else {
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Log.d(TAG, "Client " + clientId + " is not connected");
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}
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}
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public static void sendMessageToClient(String clientId, AgvAction<?> action) {
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Channel channel = channelMap.get(clientId);
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if (channel != null && channel.isActive()) {
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channel.writeAndFlush(action);
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} else {
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Log.d(TAG, "Client " + clientId + " is not connected");
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}
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}
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@Override
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public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
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cause.printStackTrace();
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ctx.close();
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}
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/**
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* 服务器是否需要应答
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*/
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public static ProtocolType isNeedAck(AgvPackage pac) {
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switch (pac.getHeader().getProtocolType()) {
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case ACTION_COMPLETE:
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return ProtocolType.ACTION_SUCCESS_ACK;
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case LOGIN_REPORT:
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return ProtocolType.LOGIN_ACK;
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default:
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return null;
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}
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}
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}
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