|  |  | 
 |  |  | package com.zy.core.thread; | 
 |  |  |  | 
 |  |  | import com.alibaba.fastjson.JSONObject; | 
 |  |  | import com.core.common.Cools; | 
 |  |  | import com.core.common.DateUtils; | 
 |  |  | import com.zy.core.News; | 
 |  |  | import com.zy.core.Slave; | 
 |  |  | import com.zy.core.ThreadHandler; | 
 |  |  | import com.zy.core.cache.OutputQueue; | 
 |  |  | import lombok.Data; | 
 |  |  | import lombok.extern.slf4j.Slf4j; | 
 |  |  |  | 
 |  |  | import java.io.DataInputStream; | 
 |  |  | import java.io.DataOutputStream; | 
 |  |  | import java.io.IOException; | 
 |  |  | import java.net.InetSocketAddress; | 
 |  |  | import java.net.Socket; | 
 |  |  | import java.net.SocketAddress; | 
 |  |  | import java.util.Date; | 
 |  |  |  | 
 |  |  | /** | 
 |  |  |  * 条码扫描仪线程 | 
 |  |  | 
 |  |  | public class BarcodeThread implements Runnable, ThreadHandler { | 
 |  |  |  | 
 |  |  |     private Slave slave; | 
 |  |  |     private String barcode; | 
 |  |  |     private Socket socket; | 
 |  |  |     private DataOutputStream dataOutputStream; | 
 |  |  |     private DataInputStream dataInputStream; | 
 |  |  |     private StringBuffer barcode = new StringBuffer(); | 
 |  |  |  | 
 |  |  |     public BarcodeThread(Slave slave) { | 
 |  |  |         this.slave = slave; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     @Override | 
 |  |  |     @SuppressWarnings("InfiniteLoopStatement") | 
 |  |  |     public void run() { | 
 |  |  |         connect(); | 
 |  |  |         while (true) { | 
 |  |  |             try { | 
 |  |  |                 write("T".getBytes(), "T".length()); | 
 |  |  |                 byte[] read = read(11, 1000); | 
 |  |  |                 if (null != read) { | 
 |  |  |                     barcode = new String(read); | 
 |  |  |                 } | 
 |  |  |                 Thread.sleep(1000); | 
 |  |  |             } catch (Exception e) { | 
 |  |  |                 e.printStackTrace(); | 
 |  |  |     public String getBarcode() { | 
 |  |  |         return barcode.toString(); | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public void setBarcode(String barcode) { | 
 |  |  |         this.barcode.delete(0, this.barcode.length()); | 
 |  |  |         this.barcode.append(barcode); | 
 |  |  |         if(!Cools.isEmpty(barcode)) { | 
 |  |  |             News.info("{}号条码器,检索数据:{}", slave.getId(), this.barcode); | 
 |  |  |             JSONObject jsonObject = new JSONObject(); | 
 |  |  |             jsonObject.put("time", DateUtils.convert(new Date(), DateUtils.yyyyMMddHHmmss_F)); | 
 |  |  |             jsonObject.put("barcode", barcode); | 
 |  |  |             if (OutputQueue.BARCODE.size() >= 32) { | 
 |  |  |                 OutputQueue.BARCODE.poll(); | 
 |  |  |             } | 
 |  |  |             OutputQueue.BARCODE.offer(jsonObject); | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     @Override | 
 |  |  |     public boolean connect() { | 
 |  |  |         try { | 
 |  |  |             close();  //1.主动释放连接 //2.某些服务器对指定ip有链路数限制 | 
 |  |  |             socket = new Socket(); | 
 |  |  |             //socket.setKeepAlive(true); | 
 |  |  |             SocketAddress socketAddress = new InetSocketAddress(slave.getIp(), slave.getPort()); | 
 |  |  |             socket.connect(socketAddress, 1000); //某些服务器ping延迟高时要增加,否则会报错connect timeout | 
 |  |  |             dataOutputStream = new DataOutputStream(socket.getOutputStream()); | 
 |  |  |             dataInputStream = new DataInputStream(socket.getInputStream()); | 
 |  |  |             log.info("条码扫描仪连接成功 ===>> [id:{}] [ip:{}] [port:{}]", slave.getId(), slave.getIp(), slave.getPort()); | 
 |  |  |         } catch (Exception e) { | 
 |  |  |             socket = null; | 
 |  |  |             log.error("条码扫描仪连接失败!!! ===>> [id:{}] [ip:{}] [port:{}]", slave.getId(), slave.getIp(), slave.getPort()); | 
 |  |  |             return false; | 
 |  |  |         } | 
 |  |  |         return true; | 
 |  |  |         return false; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     @Override | 
 |  |  |     public void close() { | 
 |  |  |         try { | 
 |  |  |             if (null != dataOutputStream) { | 
 |  |  |             dataOutputStream.close(); | 
 |  |  |         } | 
 |  |  |         if (null != dataInputStream) { | 
 |  |  |             dataInputStream.close(); | 
 |  |  |         } | 
 |  |  |         if (null != socket && !socket.isClosed()) { | 
 |  |  |           socket.close(); | 
 |  |  |         } | 
 |  |  |         socket = null; | 
 |  |  |         } catch (IOException e) { | 
 |  |  |             log.error("SocketClient close Exception:" + e.getMessage()); | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public void write(byte[] msg, int len) throws IOException { | 
 |  |  |         if (null != dataInputStream) | 
 |  |  |         { | 
 |  |  |             dataOutputStream.write(msg, 0, len); | 
 |  |  |             dataOutputStream.flush(); | 
 |  |  |         } | 
 |  |  |     @Override | 
 |  |  |     public void run() { | 
 |  |  |  | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public byte[] read(int bufferSize, int timeOut) throws IOException { | 
 |  |  |         if (socket == null) { | 
 |  |  |             return null; | 
 |  |  |         } | 
 |  |  |         socket.setSoTimeout(timeOut * 1000); | 
 |  |  |         byte[] bytes = new byte[bufferSize]; | 
 |  |  |         int len = dataInputStream.read(bytes); | 
 |  |  |         byte[] tempBytes = null; | 
 |  |  |         if (len > 0) { | 
 |  |  |         tempBytes = new byte[len]; | 
 |  |  |         System.arraycopy(bytes, 0, tempBytes, 0, len); | 
 |  |  |         } | 
 |  |  |         return tempBytes; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public boolean valid() throws Exception { | 
 |  |  |         if (null == socket || socket.isClosed() || socket.isInputShutdown() || socket.isOutputShutdown()) { | 
 |  |  |             if (dataInputStream != null) { | 
 |  |  |                 dataInputStream.close(); | 
 |  |  |             } | 
 |  |  |             if (dataOutputStream != null) { | 
 |  |  |                 dataOutputStream.close(); | 
 |  |  |             } | 
 |  |  |             if (socket != null) { | 
 |  |  |                 socket.close(); | 
 |  |  |             } | 
 |  |  |             return false; | 
 |  |  |         } | 
 |  |  |         return true; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public static void main(String[] args) throws Exception { | 
 |  |  |         BarcodeThread barcodeThread = new BarcodeThread(new Slave()); | 
 |  |  |         barcodeThread.getSlave().setIp("192.168.2.150"); | 
 |  |  |         barcodeThread.getSlave().setPort(51236); | 
 |  |  |         boolean connect = barcodeThread.connect(); | 
 |  |  |         System.out.println(connect); | 
 |  |  |         barcodeThread.write("T".getBytes(), "T".length()); | 
 |  |  |         byte[] read = barcodeThread.read(11, 1000); | 
 |  |  |         System.out.println(new String(read)); | 
 |  |  |     } | 
 |  |  | } |