コード例 #1
0
  @Override
  public void channelRead0(final ChannelHandlerContext ctx, Object msg) throws Exception {
    ByteBuf in = (ByteBuf) msg;

    byte[] bytes = in.array();
    String sInfo = Hex.encodeHexStr(bytes);

    logger.info(String.format("primary received:%s", sInfo));
    // 接收到包的长度
    int length = in.readableBytes();
    // 终端设备上报到服务器位始 $$
    String head = in.readBytes(2).toString(Charset.defaultCharset());

    if ("$$".equals(head)) {
      // 从包的字段得到包的长度
      short l = in.readShort();
      System.out.println(l);
      if (length == l) {
        // 得到产品id 序列号
        final String serialNumber = byteToArray(in.readBytes(7).array());

        // 得到协议号
        final String agreement = byteToArray(in.readBytes(2).array());

        // 得到数据
        final String content = operation(serialNumber, head, length, l, agreement, in, ctx);
        // 得到校验位 checksum
        String checksum = byteToArray(in.readBytes(2).array());

        // 得到结束符\r\n
        final String end = byteToArray(in.readBytes(2).array());

        executorService.execute(
            new Runnable() {
              public void run() {
                try {
                  serviceHandler(ctx, serialNumber, agreement, content, end);
                } catch (Exception e) {

                  e.printStackTrace();
                }
              }
            });
      }
    }
  }
コード例 #2
0
 protected void serviceHandler(
     ChannelHandlerContext ctx, String serialNumber, String agreement, String content, String end)
     throws Exception {
   /*
    * 子服务器的ip和端口(根据子服务器的ip和端口,可以做随机下发子服务器,然后设备根据你下发的信息,去连接子服务器)
    */
   String ip = "120.24.176.185";
   int port = 8075;
   if ("0002".equals(agreement)) {
     String info =
         "40400023" + serialNumber + agreement + Hex.encodeHexStr((ip + ":" + port).getBytes());
     // 返回消息给终端
     returnMessage(info, ctx, end);
     Info in = infoDao.findBySerialNumber(serialNumber);
     if (in != null) {
       in.setIp(ip);
       in.setPort(port);
       infoDao.updateInfo(in);
     } else {
       Info i = new Info();
       i.setIp(ip);
       i.setPort(port);
       i.setSerialNumber(serialNumber);
       infoDao.addInfo(i);
     }
     if (sndao.findBySerialNumber(serialNumber) != null) {
       logger.info("SerialNumber has registered");
     } else {
       SerialNumber serialNum = new SerialNumber();
       serialNum.setSerialNumber(serialNumber);
       serialNum.setEf("3");
       sndao.addSerialNumber(serialNum);
       logger.info("new SerialNumber, SerialNumber added");
     }
   }
 }