| | |
| | | connect(); |
| | | while (true) { |
| | | try { |
| | | // write("T".getBytes(), "T".length()); |
| | | byte[] read = read(11, 200); |
| | | byte[] read = read(8, 100); |
| | | if (null != read) { |
| | | String s = new String(read); |
| | | if (!Cools.isEmpty(s)) { |
| | |
| | | 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()); |
| | | // 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()); |
| | |
| | | if (null != dataInputStream) { |
| | | dataInputStream.close(); |
| | | } |
| | | if (null != socket && !socket.isClosed()) { |
| | | socket.close(); |
| | | // if (null != socket && !socket.isClosed()) { |
| | | // socket.close(); |
| | | // } |
| | | if (null != socket){ |
| | | socket.close(); |
| | | } |
| | | socket = null; |
| | | } catch (IOException e) { |
| | |
| | | } |
| | | |
| | | public byte[] read(int bufferSize, int timeOut) throws IOException { |
| | | if (socket == null) { |
| | | return null; |
| | | } |
| | | // if (socket == null) { |
| | | // connect(); |
| | | // } |
| | | connect(); |
| | | socket.setSoTimeout(timeOut); |
| | | byte[] bytes = new byte[bufferSize]; |
| | | int len = dataInputStream.read(bytes); |
| | |
| | | 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, 1); |
| | | System.out.println(new String(read)); |
| | | } |
| | | } |