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TcpPack.cs
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TcpPack.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.Diagnostics.Contracts;
using System.Net;
using Gps.Plugin.Common.Helpers;
using System.IO;
using System.Collections;
namespace Gps.Plugin.Tcp.GT808
{
public class PackHelper
{
public static byte[] ToBytes(string deviceId, MessageIds messageId, ushort seqNO, byte[] bodyBytesReturn)
{
HeadPack head = new HeadPack()
{
BodyProp = 0,
MessageId = (ushort)messageId,
SeqNO = seqNO
};
head.SetDeviceId(deviceId);
//BodyPropertyHelper.SetMessageLength(ref head.BodyProp,(ushort)bodyBytesReturn.Length);
BodyPropertyHelper.SetMessageLength(ref head.BodyProp, (ushort)bodyBytesReturn.Length);
return RawFormatter.Instance.Struct2Bytes(head).Concat(bodyBytesReturn).ToArray();
}
public static byte[] DecodeBytes(byte[] buffer)
{
return DecodeBytes(buffer, 0, buffer.Length);
}
public static byte[] DecodeBytes(byte[] bytes, int offset, int length)
{
int index = 0;
int endOffset = Math.Min(length, bytes.Length - offset) + offset;
for (int i = offset; i < endOffset; )
{
if (bytes[i] == 0x7d && bytes[i + 1] == 0x02)
{
bytes[index++] = 0x7e;
i += 2;
}
else if (bytes[i] == 0x7d && bytes[i + 1] == 0x01)
{
bytes[index++] = 0x7d;
i += 2;
}
else
{
bytes[index++] = bytes[i++];
}
}
return bytes.Take(index).ToArray();
}
public static byte[] EncodeBytes(IEnumerable<byte> bytes)
{
MemoryStream ms = new MemoryStream();
foreach (var b in bytes)
{
if (b == 0x7e)
{
ms.WriteByte(0x7d);
ms.WriteByte(0x02);
}
else if (b == 0x7d)
{
ms.WriteByte(0x7d);
ms.WriteByte(0x01);
}
else
{
ms.WriteByte(b);
}
}
return ms.ToArray();
}
/// <summary>
/// 计算校验位
/// </summary>
/// <param name="bytes"></param>
/// <param name="offset"></param>
/// <param name="count"></param>
/// <returns></returns>
public static byte CalcCheckByte(byte[] bytes, int offset, int count)
{
if (count == 0)
return 0;
byte ret = bytes[offset];
for (int i = offset + 1; i < offset + count; ++i)
{
ret ^= bytes[i];
}
return ret;
}
/// <summary>
/// 计算校验位
/// </summary>
/// <param name="bytes"></param>
public static void CalcCheckByte(byte[] bytes)
{
if (bytes.Length == 0)
return;
bytes[bytes.Length - 1] = CalcCheckByte(bytes, 0, bytes.Length - 1);
}
}
/*
车载GPS定位器通信协议(GT808)(TCP_6004).pdf
P2
*
* 7E-01-02-00-06-00-20-47-05-52-32-00-00-30-31-32-33-34-35-06-7E
*/
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
public class HeadPack
{
public static byte FixPrefix = 0x7e;
public static Int32 PackSize = Marshal.SizeOf(typeof(HeadPack));
/// <summary>
/// 消息 ID
/// </summary>
public BigEndianUInt16 MessageId;
/// <summary>
/// 消息体属性
/// </summary>
public BigEndianUInt16 BodyProp;
/// <summary>
/// 终端手机号
/// </summary>
protected BCD8421_6BytesString DeviceId;
/// <summary>
/// 自增一序列号
/// </summary>
public BigEndianUInt16 SeqNO;
public string GetDeviceId()
{
//return string.Concat("460", DeviceId);
return DeviceId;
}
public void SetDeviceId(string value)
{
if (value.Length > 12)
{
DeviceId = value.Substring(value.Length - 12, 12);
}
else
{
DeviceId = value.PadLeft(12, '0');
}
}
}
public static class BodyPropertyHelper
{
/// <summary>
/// 9-0 BIT
/// </summary>
/// <param name="val"></param>
/// <returns></returns>
public static Int16 GetMessageLength(BigEndianUInt16 val)
{
return (Int16)((UInt16)val & 0x03ff);
}
/// <summary>
/// 9-0 BIT
/// </summary>
/// <param name="val"></param>
/// <returns></returns>
public static void SetMessageLength(ref BigEndianUInt16 val, UInt16 length)
{
val = (UInt16)(((UInt16)val & (~0x03ff)) + length);
}
/// <summary>
/// 12-10 BIT
/// </summary>
/// <param name="val"></param>
/// <returns></returns>
public static Byte GetEncodeType(BigEndianUInt16 val)
{
return (Byte)((val >> 10) & 0x03);
}
public static void SetEncodeType(ref BigEndianUInt16 val, byte encType)
{
ushort v = val;
v = (ushort)(v & ~(0x03 << 10) + encType << 10);
val = v;
}
/// <summary>
/// 13 BIT
/// </summary>
/// <param name="val"></param>
/// <returns></returns>
public static bool IsMutliPack(this BigEndianUInt16 val)
{
return ((val >> 13) & 0x01) == 0x0001;
}
}
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
public class PackProperty
{
public static Int32 PackSize = Marshal.SizeOf(typeof(PackProperty));
public BigEndianUInt16 Total;
public BigEndianUInt16 Index;
}
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
public class ServerAnswerPack
{
public static Int32 PackSize = Marshal.SizeOf(typeof(ServerAnswerPack));
/// <summary>
/// 流水
/// </summary>
public BigEndianUInt16 SeqNO;
/// <summary>
/// 消息ID
/// </summary>
public BigEndianUInt16 MessageId;
/// <summary>
/// 结果 0:成功/确认 1:失败 2:消息有误 3:不支持 4:报警处理确认
/// </summary>
public byte Result;
}
/// <summary>
/// 终端通用应答
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
public class ClientAnswerPack
{
public static Int32 PackSize = Marshal.SizeOf(typeof(ServerAnswerPack));
/// <summary>
/// 流水
/// </summary>
public BigEndianUInt16 SeqNO;
/// <summary>
/// 消息ID
/// </summary>
public BigEndianUInt16 MessageId;
/// <summary>
/// 结果 0:成功/确认 1:失败 2:消息有误 3:不支持
/// </summary>
public byte Result;
}
/// <summary>
/// 终端注册 最后是GBK字串,车牌号
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
public class ClientRegistPack
{
public static Int32 PackSize = Marshal.SizeOf(typeof(ClientRegistPack));
/// <summary>
/// 省
/// </summary>
public BigEndianUInt16 Province;
/// <summary>
/// 市
/// </summary>
public BigEndianUInt16 City;
/// <summary>
/// 制造商
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 5)]
public byte[] Manufacturer;
/// <summary>
/// 终端型号
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
public byte[] DeviceModel;
/// <summary>
/// 终端ID
/// </summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 7)]
public byte[] DeviceId;
/// <summary>
/// 车牌颜色
/// </summary>
public byte CarColor;
//最后是GBK字串,车牌号
}
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
public class ClientRegistReturnPack
{
/// <summary>
/// 自增一序列号
/// </summary>
public BigEndianUInt16 SeqNum;
/// <summary>
/// 0成功, 1车辆已经注册, 2数据库中无此车辆, 3终端已经被注册, 4数据库中无该终端
/// </summary>
public Byte Result;
}
/// <summary>
/// 位置包汇报
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
public class PositionReportPack
{
public static Int32 PackSize = Marshal.SizeOf(typeof(PositionReportPack));
/// <summary>
/// 报警标志
/// </summary>
public BigEndianUInt32 AlermFlags;
/// <summary>
/// 状态
/// </summary>
public BigEndianUInt32 State;
/// <summary>
/// 纬度 度*10^6
/// </summary>
public BigEndianUInt32 Latitude;
/// <summary>
/// 经度 度*10^6
/// </summary>
public BigEndianUInt32 Longitude;
/// <summary>
/// 高程 单位为米
/// </summary>
public BigEndianUInt16 Altitude;
/// <summary>
/// 速度 1/10KM/H
/// </summary>
public BigEndianUInt16 Speed;
/// <summary>
/// 方向 0~359 正北为0 顺时针
/// </summary>
public BigEndianUInt16 Direction;
/// <summary>
/// 时间
/// </summary>
public BCD8421_6BytesString Time;
}
/// <summary>
/// 立即拍照命令
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
public class CmdPhotographePack
{
/// <summary>
/// 通道ID > 0
/// </summary>
public Byte Channel;
/// <summary>
/// 拍摄命令 0表示停止拍摄;0xffff表示录像;其它表示拍摄张数
/// </summary>
public BigEndianUInt16 Cmd;
/// <summary>
/// 拍照间隔,录像时间。 单位为秒,0表示最小间隔拍照或者一直录像
/// </summary>
public BigEndianUInt16 Interval;
/// <summary>
/// 保存标志 1保存 0立即上传
/// </summary>
public byte Deal;
/// <summary>
/// 图像分辨率 0x01:320*240 0x02:640*480 0x03:800*600 0x04:1024*768
/// 0x05:176*144(Qcif) 0x06:352*288(Cif) 0x07:704*288(HALF D1) 0x08:704*546(D1)
/// </summary>
public byte Resolution;
/// <summary>
/// 图像质量 1 ~ 10 1表示质量损失最小, 10表示压缩最大
/// </summary>
public byte Quality;
/// <summary>
/// 亮度 0 ~ 255
/// </summary>
public byte Brightness;
/// <summary>
/// 对比度 0 ~ 127
/// </summary>
public byte Contrast;
/// <summary>
/// 饱和度 0 ~ 127
/// </summary>
public byte Saturation;
/// <summary>
/// 色度 0 ~ 255
/// </summary>
public byte Chroma;
}
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
public class CmdSendTextPack
{
public byte Flag;
/// <summary>
/// 紧急
/// </summary>
public bool IsUrgent
{
get { return (Flag & 0x01) == 0x01; }
set { Flag = (byte)(Flag | 0x01); }
}
/// <summary>
/// 终端显示器显示
/// </summary>
public bool IsDisplay
{
get { return (Flag & 0x04) == 0x04; }
set { Flag = (byte)(Flag | 0x04); }
}
/// <summary>
/// 终端显示器显示
/// </summary>
public bool IsTTS
{
get { return (Flag & 0x08) == 0x08; }
set { Flag = (byte)(Flag | 0x08); }
}
/// <summary>
/// 终端显示器显示
/// </summary>
public bool IsAD
{
get { return (Flag & 0x10) == 0x10; }
set { Flag = (byte)(Flag | 0x10); }
}
//[MarshalAs(UnmanagedType.ByValArray, SizeConst = 0)]
//public byte[] MessageBytes;
}
/// <summary>
/// 多媒体数据上传
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
public class GpsMultimediaUploadPack
{
public static Int32 PackSize = Marshal.SizeOf(typeof(GpsMultimediaUploadPack));
/// <summary>
/// 多媒体ID >0
/// </summary>
public BigEndianUInt32 ID;
/// <summary>
/// 多媒体类型 0:图像 1:音频 2:视频
/// </summary>
public Byte Type;
/// <summary>
/// 多媒体格式编码 0:JPEG 1:TIF 2:MP3 3:WAV 4:WMV
/// </summary>
public byte Format;
/// <summary>
/// 事件项编码 0:平台下发指令 1:定时动作 2:抢劫报警触发 3:碰撞侧翻触发报警 4:保留
/// </summary>
public byte EventCode;
/// <summary>
/// 通道ID > 0
/// </summary>
public Byte Channel;
}
/// <summary>
/// 多媒体数据上传
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Ansi)]
public class GpsMultimediaReUploadPack
{
public static Int32 PackSize = Marshal.SizeOf(typeof(GpsMultimediaReUploadPack));
/// <summary>
/// 多媒体ID >0
/// </summary>
public BigEndianUInt32 ID;
/// <summary>
/// 多媒体类型 0:图像 1:音频 2:视频
/// </summary>
public Byte Count;
///// <summary>
///// 要求重发的下一个包
///// </summary>
//public Byte NextIndex;
}
public class BitValueState
{
private BitArray bitArray;
public BitValueState(ushort state)
{
this.bitArray = new BitArray(BitConverter.GetBytes(state));
}
/// <summary>
/// ACC 开关
/// </summary>
bool ACC
{
get
{
return bitArray[0];
}
set
{
bitArray[0] = value;
}
}
/// <summary>
/// 是否定位
/// </summary>
//Position = 0x0002,
bool Position
{
get
{
return bitArray[1];
}
set
{
bitArray[1] = value;
}
}
/// <summary>
/// 0北纬 1南纬
/// </summary>
//NorthOrSouth = 0x0004,
bool IsSouth
{
get
{
return bitArray[2];
}
set
{
bitArray[2] = value;
}
}
/// <summary>
/// 0东经 1西经
/// </summary>
//EastOrWest = 0x0008,
bool IsWest
{
get
{
return bitArray[3];
}
set
{
bitArray[3] = value;
}
}
/// <summary>
/// 0运营状态 1停运
/// </summary>
//OperationState = 0x0010,
bool OperationStoped
{
get
{
return bitArray[4];
}
set
{
bitArray[4] = value;
}
}
/// <summary>
/// 经纬度是否加密
/// </summary>
//EncodeLongitudeLatitude = 0x0020,
bool EncodeLongitudeLatitude
{
get
{
return bitArray[5];
}
set
{
bitArray[5] = value;
}
}
/// <summary>
/// 0车辆油路正常 1断开
/// </summary>
//CarOilchannel = 0x0400,
bool CarOilchannelBreaked
{
get
{
return bitArray[10];
}
set
{
bitArray[10] = value;
}
}
/// <summary>
/// 0车辆电子正常 1断开
/// </summary>
//CarCircuit = 0x0800,
bool CarCircuitBreaked
{
get
{
return bitArray[11];
}
set
{
bitArray[11] = value;
}
}
/// <summary>
/// 0车辆车门解锁 1加锁
/// </summary>
//CarDoorLock = 0x1000
bool CarDoorLocked
{
get
{
return bitArray[12];
}
set
{
bitArray[12] = value;
}
}
}
public class BitValueAlerm
{
//private uint data;
private BitArray bitArray;
public BitValueAlerm(UInt32 alerm)
{
//this.data = alerm;
bitArray = new BitArray(new int[] { (int)alerm });
}
/// <summary>
/// 紧急报警, 触动报警开关后触发 收到答应后清除
/// </summary>
bool Urgent
{
get
{
return bitArray[0];
}
set
{
bitArray[0] = value;
}
}
/// <summary>
/// 超速报警 标志维持到报警条件解除
/// </summary>
bool Speeding
{
get
{
return bitArray[1];
}
set
{
bitArray[1] = value;
}
}
/// <summary>
/// 疲劳驾驶 标志维持到报警条件解除
/// </summary>
bool Fatigue
{
get
{
return bitArray[2];
}
set
{
bitArray[2] = value;
}
}
/// <summary>
/// 预警 收到答应后清除
/// </summary>
bool Forewarning
{
get
{
return bitArray[3];
}
set
{
bitArray[3] = value;
}
}
//TODO:未完, 以后用到添加
}
public enum MessageIds : ushort
{
/// <summary>
/// 终端通用应答
/// </summary>
ClientAnswer = 0x0001,
/// <summary>
/// 终端心跳
/// </summary>
ClientPump = 0x0002,
/// <summary>
/// 终端注销
/// </summary>
ClientUnregist = 0x0003,
/// <summary>
/// 终端注册
/// </summary>
ClientRegist = 0x0100,
/// <summary>
/// 终端鉴权
/// </summary>
ClientAuth = 0x0102,
/// <summary>
/// 位置信息汇报
/// </summary>
PositionReport = 0x0200,
/// <summary>
/// 多媒体事件信息上传
/// </summary>
MultimediaEventUpload = 0x0800,
/// <summary>
/// 多媒体数据上传
/// </summary>
MultimediaUpload = 0x0801,
/// <summary>
/// 多媒体数据上传
/// </summary>
MultimediaUploadAnswer = 0x8800,
/// <summary>
/// 平台通用应答
/// </summary>
ServerAnswer = 0x8001,
/// <summary>
/// 终端注册应答
/// </summary>
ClientRegistReturn = 0x8100,
/// <summary>
/// 立即拍照
/// </summary>
Photographe = 0x8801,
/// <summary>
/// 下发文本
/// </summary>
SendTextMessage = 0x8300
}
}