php workerman对接部标808协议-轻识

公司业务需求，这几天一直对着机器对接，整理出以下算法，实现对设备的交互。

服务端：

<?phpnamespace app\server\controller;use Workerman\Worker;use Workerman\Lib\Timer;use Workerman\Connection\AsyncTcpConnection;use app\server\controller\JT808;use think\Db;$socket = new Worker('websocket://0.0.0.0:2346');// 设置transport开启ssl，websocket+ssl即wss//$socket->transport = 'ssl';// 启动1个进程对外提供服务$socket->count = 1;global $tcp;//下面换成自己的端口   $tcp = new Worker('tcp://0.0.0.0:1234');
$tcp->onMessage = function($connection, $data)use($tcp) {    $JT808 = new JT808();  //16进制数据  $data16Arrays = $JT808->getTo16Bytes($data);  //var_dump($data16Arrays);  foreach ($data16Arrays as $key => $data16Array) {    //获取消息id    $MessageId = $JT808->getMessageIdNumber($data16Array);    //设备号    $equipmentNumber = $JT808->getEquipmentNumber($data16Array);    $equipmentNumber = '86339'.substr($equipmentNumber, 2);    //位置信息上报获取    if ($MessageId == '0200' && $equipmentNumber) {      //报警信息      $AlarmMessage = $JT808->getAlarmMessage($data16Array, 13);      //状态      $status = $JT808->getPositionStatus($data16Array, 17);      //经度      $Latitude = $JT808->getLatitude($data16Array, 21, 'f');      //纬度      $Longitude = $JT808->getLongitude($data16Array, 25, 'f');      //高度      $Height = $JT808->getHeight($data16Array, 29);      //速度      $Speed = $JT808->getSpeed($data16Array, 31);      //方向      $Direction = $JT808->getDirection($data16Array, 33);      //时间      $Datetime = $JT808->getDatetime($data16Array, 35);      if ($Latitude && $Longitude) {        //执行你的逻辑        var_dump($Latitude);        var_dump($Longitude);      }    }        //发送给客户端    $sendClientData = $JT808->getVerifyNumberArray($data16Array);    $connection->send($sendClientData);      }  };

// 运行workerWorker::runAll();

JT808.php

数据解析算法

<?phpnamespace app\server\controller;class JT808 {  public static $sequenceNumber = 0; //流水号初始值  /**   * description  转成10进制字符串数组   * @param $string 16进制字符串   * @return array   10进制数组   */  public function get10Bytes($string) {    $bytes = array();    $len = strlen($string);    for ($i = 0; $i < $len; $i++) {      array_push($bytes, ord($string[$i]));    }    return $bytes;  }
  /**   * description  10进制字符串数组转成16进制字符串数组   * @param $data 10进制字符串数组   * @return mixed 16进制字符串数组   */  public function getTo16Bytes($data) {    //$get10Bytes = $this->get10Bytes($data);    $content = bin2hex($data);    $res = explode('7e7e', $content);    $array = [];    //解决粘包    if (count($res) > 1) {      foreach ($res as $k => $v) {        if ($k == reset($res)) {          $array[$k] = str_split($v . '7e', 2);        } else if ($k == end($res)) {          $array[$k] = str_split('7e' . $v, 2);        } else {          $array[$k] = str_split('7e' . $v . '7e', 2);        }      }    } else {      $array[] = str_split($res[0], 2);    }    return $array;
    /*$array = [];      foreach ($get10Bytes as $k => $v) {        $array[$k] = base_convert($v, 10, 16);      }    */    //return $array;  }
  /**   * description   接受到的16进制字符补0  例如：01=>0x01   * @param $data 16进制数组   * @return array  补0之后的16进制数组   */  public function supplementZero($data) {    $len = count($data);    $res = [];    for ($j = 0; $j < $len; $j++) {      if (strlen($data[$j]) == 1) {        $res[$j] = "0x" . "0" . $data[$j];      } else {        $res[$j] = "0x" . $data[$j];      }    }    return $res;  }
  /**   * description  把一个4位的数组转化位整形   * @param array  接受数组   * @return int  返回int   */  public function bytesToInt($data) {    $res = [];    foreach ($data as $k => $v) {      $res[$k] = intval(base_convert($v, 16, 10));    }    $temp0 = $res[0] & 0xFF;    $temp1 = $res[1] & 0xFF;    $temp2 = $res[2] & 0xFF;    $temp3 = $res[3] & 0xFF;    return (($temp0 << 24) + ($temp1 << 16) + ($temp2 << 8) + $temp3);  }
  /**   * description  BCD码转字符串   * @param array  数组   * @return bool|string  返回字符串   */  public function bcdToString($data) {    $len = count($data);    $temp = "";    for ($i = 0; $i < $len; $i++) {      // 高四位      $temp .= (($data[$i] & 0xf0) >> 4);      // 低四位      $temp .= ($data[$i] & 0x0f);    }    return (substr($temp, 0, 1) == 0) ? substr($temp, 1) : $temp;  }
  /**   * description  从接受到的16进制数组中获取设备号数组   * @param $data  接受到的16进制数组   * @return string 设备号id   */  public function getSensorId($data) {    $sensorArray = array_slice($data, 3, 6);    $sensorArrayZero = $this->supplementZero($sensorArray);    $res = [];    foreach ($sensorArrayZero as $k => $v) {      $res[$k] = intval(base_convert($v, 16, 10));    }    $string = $this->bcdToString($res);    return $string;  }
  /**   * description   把一个二字节数组转化成整型   * @param $data  二字节数组   * @return int   整型   */  public function twoBytesToInteger($data) {    $res = [];    foreach ($data as $k => $v) {      $res[$k] = intval(base_convert($v, 16, 10));    }    $temp0 = $res[0] & 0xFF;    $temp1 = $res[1] & 0xFF;    return (($temp0 << 8) + $temp1);  }
  /**   * description  接受内容中4字节数组转成int   * @param $data 16进制字节数组   * @param int $a 开始位   * @return int   int值   */  public function getNum($data, $a = 0) {    $numArray = array_slice($data, $a, 4);    $res = $this->bytesToInt($numArray);    return $res;  }
  /**   * description  按位异或   * @param $data   * @return int   */  public function getEveryXor($data) {    $len = count($data);    $rew = 0;    for ($i = 1; $i < $len; $i++) {      $rew = $rew ^ $data[$i];    }    return $rew;  }  /**   * [checkCode 生成验证码带开头7e]   * @author litaotxws@163.com   * @DateTime 2020-05-01T00:19:06+0800   * @param    [array]                   $data [数组]   * @return   [array]                         [返回2位数数组]   */  public function checkCode($data) {    $sum = 0;    //去掉开头的7e    unset($data[0]);    //for ($i = 0; $i < count($arr); $i++) {    foreach ($data as $k => $v) {      $sum = $sum ^ hexdec($v);    }    return str_pad(dechex($sum), 2, "0", STR_PAD_LEFT);  }  /**   * description   将字节数组转为字符串   * @param array   字节数组   * @return string   返回字符串   */  public function bytesArrayToString($data) {    $str = '';    foreach ($data as $ch) {      $str .= chr($ch);    }    return $str;  }  /**   * [arrayToBytes 返回二进制内容]   * @author litaotxws@163.com   * @DateTime 2020-05-01T00:34:33+0800   * @param    [type]                   $data [数组]   * @return   [type]                         [二进制内容]   */  public function arrayToBytes($data) {    $ret = implode($data);    return hex2bin($ret);  }  /**   * description 拼接字符串   * @param $str   * @param int $n   * @param string $char   * @return string   */  public function getTurnStr($str, $n = 1, $char = '0') {    for ($i = 0; $i < $n; $i++) {      $str = $char . $str;    }    return $str;
    //return str_pad($str, $n, $char, STR_PAD_LEFT);  }
  /**   * description  转成二进制字符串   * @param $data array 16进制数组   * @return string  字符串   */  public function getTwoStr($data) {    //转成2进制    $str = array();    $req = array();    foreach ($data as $key => $value) {      $str[$key] = base_convert($data[$key], 16, 2);      $leng = 8 - strlen($str[$key]);      $req[] = $this->getTurnStr($str[$key], $leng, "0");    }    //拼接字符串    $rtq = implode("", $req);    return $rtq;  }  /**   * description  获取设备号   * @param $data array 16进制数组   * @param $length num 补全长度   * @return bool|string   返回字符串设备号   */  public function getEquipmentNumber($data, $length = 12) {    $equipmentArray = array_slice($data, 5, 6);    $res = [];    foreach ($equipmentArray as $k => $v) {      $res[$k] = base_convert($v, 16, 10);    }    $equipmentNumber = $this->bcdToString($res);    return str_pad($equipmentNumber, $length, "0", STR_PAD_LEFT);  }  /**   * description  获取16进制数组来计算出设备号   * @param $data 16进制数组   * @return array  返回设备号数组   */  public function getEquipmentNumberArray($data) {    $num_array = array_slice($data, 5, 6);    /*$res = [];      foreach ($num_array as $k => $v) {        $res[$k] = base_convert($v, 16, 10);      }    */    return $num_array;  }  /**   * description  获取报警信息   * @param $data array 16进制数组   * @param $index  数组索引13   * @return int  返回数字代表报警信息   */  public function getAlarmMessage($data, $index, $type = false) {    $alarmArray = $this->getTwoStr(array_slice($data, $index, 4));    if ($type == true) {      if (substr($alarmArray, -8, 1) == 1) {        //主电源断电        $alarm = "主电源断电";      } elseif (substr($alarmArray, -30, 1) == 1) {        //碰撞预警        $alarm = "碰撞预警";      } elseif (substr($alarmArray, -31, 1) == 1) {        //侧翻预警        $alarm = "侧翻预警";      }//        elseif (substr($alarmArray, -26, 1) == 1) {      //            //脱落(光感)报警      //            $alarm = 4;      //        }      else {        //正常        $alarm = "一切正常";      }    }    // return $alarm;    return $alarmArray;  }
  /**   * description   获取状态信息   * @param $data array 16进制数组   * @param $index   数组索引   * @param $type   返回数据还是原本信息   * @return array  状态信息数组   */  public function getPositionStatus($data, $index, $type = false) {    $positionArray = $this->getTwoStr(array_slice($data, $index, 4));    if ($type == true) {      //判断是否定位，0定位，1未定位      $isPosition = substr($positionArray, -2, 1) == 0 ? $isPosition = "未定位" : $isPosition = "定位";      //判断南北纬，0北纬，1南纬      $isNorSou = substr($positionArray, -3, 1) == 0 ? $isNorSou = "北纬" : $isNorSou = "南纬";      //判断东西经，0东经，1西经      $isEasWes = substr($positionArray, -4, 1) == 0 ? $isEasWes = "东经" : $isEasWes = "西经";      //判断定位方式      if (substr($positionArray, -19, 1) == 1 && substr($positionArray, -20, 1) == 0) {        //北斗定位        $positionMethod = "北斗定位";      } elseif (substr($positionArray, -19, 1) == 0 && substr($positionArray, -20, 1) == 1) {        //GPS定位        $positionMethod = "GPS定位";      } elseif (substr($positionArray, -19, 1) == 1 && substr($positionArray, -20, 1) == 1) {        //北斗GPS双定位        $positionMethod = "北斗GPS双定位";      } else {        //北斗GPS都未定位        $positionMethod = "北斗GPS都未定位";      }      $positionStatusArray = array(        'position' => $isPosition,        'ns' => $isNorSou,        'ew' => $isEasWes,        'gps' => $positionMethod,      );      return $positionStatusArray;    } else {      return $positionArray;    }  }
  /**   * description   获取纬度   * @param $data array  16进制数组   * @param $index  数组索引   * @param $type  返回字符类型 i整形 f浮点形   * @return float|int   纬度   */  public function getLatitude($data, $index, $type = 'f') {    $latitudeBytes = array_slice($data, $index, 4);    $latitude = $this->bytesToInt($latitudeBytes);    if ($type == 'f') {      $number = $latitude / pow(10, 6);    }    if ($type == 'i') {      $number = $latitude;    }    return $number;  }
  /**   * description  获取经度   * @param $data array  16进制数组   * @param $index  数组索引   * @param $type  返回字符类型 i整形 f浮点形   * @return float|int  经度   */  public function getLongitude($data, $index, $type = 'f') {    $longitudeBytes = array_slice($data, $index, 4);    $longitude = $this->bytesToInt($longitudeBytes);    if ($type == 'f') {      $number = $longitude / pow(10, 6);    }    if ($type == 'i') {      $number = $longitude;    }    return $number;  }  /**   * [getHeight 获取高度]   * @author litaotxws@163.com   * @DateTime 2020-04-30T14:12:30+0800   * @param    [type]                   $data  [16进制数组]   * @param    [type]                   $index [数组索引29]   * @return   [type]                          [高度]   */  public function getHeight($data, $index) {    $heightBytes = array_slice($data, $index, 2);    $height = $this->twoBytesToInteger($heightBytes);    return $height;  }  /**   * [getSpeed 获取速度]   * @author litaotxws@163.com   * @DateTime 2020-04-30T14:14:55+0800   * @param    [type]                   $data  [16进制数组]   * @param    [type]                   $index [数组索引31]   * @return   [type]                          [速度]   */  public function getSpeed($data, $index) {    $speedBytes = array_slice($data, $index, 2);    $speed = $this->twoBytesToInteger($speedBytes);    return $speed;  }  /**   * [getDirection 获取方向]   * @author litaotxws@163.com   * @DateTime 2020-04-30T14:15:33+0800   * @param    [type]                   $data  [16进制数组]   * @param    [type]                   $index [数组索引33]   * @return   [type]                          [方向]   */  public function getDirection($data, $index) {    $directionBytes = array_slice($data, $index, 2);    $direction = $this->twoBytesToInteger($directionBytes);    return $direction;  }  /**   * description  获取日期时间   * @param $data array  16进制数组   * @param $index  数组索引35   * @return string   日期时间字符串   */  public function getDatetime($data, $index) {    $datetimeArray = array_slice($data, $index, 6);    $res = [];    foreach ($datetimeArray as $k => $v) {      $res[$k] = base_convert($v, 16, 10);    }    $datetime = $this->bcdToString($res);    $datetimeStr = "20" . substr($datetime, 0, 2) . "-" . substr($datetime, 2, 2) . "-" . substr($datetime, 4, 2) . " " . substr($datetime, 6, 2) . ":" . substr($datetime, 8, 2) . ":" . substr($datetime, 10, 2);    return $datetimeStr;  }
  /**   * description   获取平台流水号   * @return array   返回流水号数组   */  public function getSequenceNumberArray() {    //计算流水号    $number = $this->$sequenceNumber++;    if ($number > 65025) {      // 255 * 255 -1      $number = 1;    }    //将十进制流水号换算成16进制流水号    $get16Number = base_convert($number, 10, 16);    $af = substr($get16Number, 0, 2);    $bf = substr($get16Number, 2);    $systemNumber = [];    //判断    if ($number > 0xff) {      $systemNumber = array('0x' . $af, '0x' . $bf);    } else {      $systemNumber = array('0x00', '0x' . $get16Number);    }    foreach ($systemNumber as $k => $v) {      $systemNumber[$k] = intval(base_convert($v, 16, 10));    }    return $systemNumber;  }
  /**   * description  获取消息流水号   * @param $data 16进制数组   * @return array  消息流水号数组   */  public function getMessageNumberArray($data) {    $messageNumber = array_slice($data, 11, 2);    //$messageNumber = $this->supplementZero($messageNumber);    return $messageNumber;  }
  /**   * description  获取消息id   * @param $data 16进制数组   * @return array  消息id数组   */  public function getMessageIdArray($data) {    $messageId = array_slice($data, 1, 2);    //$messageId = $this->supplementZero($messageId);    return $messageId;  }  /**   * description  获取消息id   * @param $data array 16进制数组   * @param $length num 消息体长度 前位补0   * @return bool|string   消息id字符串   */  public function getMessageIdNumber($data, $length = 4) {    $messageArray = array_slice($data, 1, 2);    $res = [];    foreach ($messageArray as $k => $v) {      $res[$k] = base_convert($v, 16, 10);    }    $messageNumber = $this->bcdToString($res);    return str_pad($messageNumber, $length, "0", STR_PAD_LEFT);  }  /**   * description   获取消息体   * @param $data 16进制数组   * @return array   消息体数组   */  public function getMessageBodyArray($data) {    //消息体 = 消息流水号 + 消息id    $messageNumber = $this->getMessageNumberArray($data);    //$messageId = $this->getMessageIdArray($data);    //$messageBody = array_merge($messageNumber, $messageId);    /*foreach ($messageBody as $k => $v) {        $res[$k] = intval(base_convert($v, 16, 10));      }    */    return $messageNumber;  }
  /**   * description  发送给客户端的回传数据   * @param $data 16进制数组   * @return string   返回客户端字符串   */  public function getVerifyNumberArray($data, $auth = '31313131') {    //数组开始五位    //$arrayStartFiveBytes = array('7E', '80', '01');    //注册应答结果0    $ret = array('00');    //消息ID    $messageId = $this->getMessageIdArray($data);    $messageid = implode($messageId);    //消息体    $messageBody = $this->getMessageBodyArray($data);    if ($messageid == '0100') {      $arrayStartFiveBytes = array('7E', '81', '00');      $jianquan = str_split($auth, 2);      $messageBody = array_merge($messageBody, $ret, $jianquan);    } else {      $arrayStartFiveBytes = array('7E', '80', '01');      $jianquan = [];      $messageBody = array_merge($messageBody, $messageId, $ret, $jianquan);    }    //设备号    $equipmentNumber = $this->getEquipmentNumberArray($data);    //平台流水号    //$systemNumber = $this->getSequenceNumberArray();    $systemNumbers = $this->getMessageNumberArray($data);            //消息体长度    /*if ($messageid == '0100') {      $msglength = count(array_merge($systemNumbers, $messageId, $ret, $jianquan));    } else {      $msglength = count(array_merge($systemNumbers, $messageId, $ret));    }*/    if($messageid == '0100'){        $msglength = count(array_merge($jianquan))+3;    }else{        $msglength = count(array_merge($systemNumbers, $messageId, $ret));    }            $msglength = decbin($msglength);            //补齐16位，不加密，无版本号    $attr = sprintf("%016d", $msglength); //消息体属性        //前置补0    $attr_str = str_pad(dechex(bindec($attr)), 4, '0', STR_PAD_LEFT);        //$attr_str = dechex(bindec($attr));    //分割字符    $attrarray = str_split($attr_str, 2);    //与消息体合并    $array_attr = array_merge($arrayStartFiveBytes, $attrarray);        //数组开始5位和设备号合并    $arrayStartAndEquipmentNumber = array_merge($array_attr, $equipmentNumber);        //接上一步继续与平台流水号合并    $startEquipmentAndSystemNumber = array_merge($arrayStartAndEquipmentNumber, $systemNumbers);    //接上一步继续与消息体合并    $startEquipmentSystemAndMessageBody = array_merge($startEquipmentAndSystemNumber, $messageBody);        //接上一步应答结果    //$dataAndRet = array_merge($startEquipmentSystemAndMessageBody, $ret);    $dataAndRet = $startEquipmentSystemAndMessageBody;        //生成校验码    ////$dataAndRetXor = $this->getEveryXor($dataAndRet);    $dataAndRetXor = $this->checkCode($dataAndRet);    ////var_dump($dataAndRetXor);    //数组末尾两位    $arrayEndTwoBytes = array($dataAndRetXor, '7E');    //整个数组    $completeArray = array_merge($dataAndRet, $arrayEndTwoBytes);    //发送给客户端的字符串    $sendClientStr = $this->arrayToBytes($completeArray);
    return $sendClientStr;  }}?>

可以根据自己的需求去更改部分算法