public static string Parse(this AnalysisAlert src)
{
var res = new List <byte>();
try
{
#region 数据头
res.AddRange(src.MessageId.UshortToBytesBig());
var prop =
$"00{(src.IsMultiPacket ? 1 : 0)}00{(src.IsEncrypted ? 1 : 0)}{Convert.ToString(src.MessageLength, 2).PadLeft(9, '0')}";
res.AddRange(Convert.ToUInt16(prop, 2).UshortToBytesBig());
res.Add(src.Version);
res.AddRange(src.TerminalId);
res.AddRange(src.SerialNum.UshortToBytesBig());
if (src.IsMultiPacket)
{
res.AddRange(src.TotalPack.UshortToBytesBig());
res.AddRange(src.PackNum.UshortToBytesBig());
}
#endregion
#region 数据体
res.AddRange(src.DateTime);
res.Add((byte)src.EventType);
res.Add((byte)src.Manufacturer);
res.Add(src.FileNameLength);
res.AddRange(Encoding.GetBytes(src.FileName));
#endregion
//校验码
res.Add(res.Aggregate(res[0], (current, b) => (byte)(current ^ b)));
//转义
res = res.Escape().ToList();
//添加头尾标识
res.Insert(0, Mark);
res.Add(Mark);
}
catch (Exception e)
{
//LogManager.Error(e.Message, e);
ErrorQueue.Enqueue(e);
throw;
}
return(res.ToArray().ByteArrToHexStr());
}
public static AnalysisAlert Construct(this IList <byte> source)
{
var aomaData = new AnalysisAlert();
try
{
//if (string.IsNullOrWhiteSpace(Mark))
//{
// var ex = new Exception("无法获取分包标识位！");
// //Logger.Error("无法获取分包标识位！", ex);
// LogManager.Error("无法获取分包标识位！", ex);
// throw ex;
//}
//var packetList = new List<byte[]>();
//分包
if (source[0] != Mark)
{
var ex = new Exception("数据包格式错误！");
//Logger.Error("数据包格式错误！", ex);
//LogManager.Error("数据包格式错误！", ex);
ErrorQueue.Enqueue(ex);
throw ex;
}
//List<byte> packet;
//while ((source = SeparateSinglePacket(source, out packet)).Count >= 0 && packet.Count > 0)
//{
// packetList.Add(packet.ToArray());
//}
//foreach (var p in packetList)
//{
//反转义
var pack = source.Unescape().ToArray();
aomaData.SourceHexStr = source.ByteArrToHexStr();
aomaData.MessageId = Convert.ToUInt16(pack.CloneRange(1, 2).ByteArrToHexStr(), 16);
//aomaData.MessageId=BitConverter.ToUInt16(pack.CloneRange(0, 2),0);
var properties = Convert.ToInt16(pack.CloneRange(3, 2).ByteArrToHexStr(), 16);
var propertiesStr = Convert.ToString(properties, 2).PadLeft(16, '0');
aomaData.IsMultiPacket = (properties & (int)Math.Pow(2, 13)) == properties;
aomaData.IsEncrypted = (properties & (int)Math.Pow(2, 10)) == properties;
aomaData.MessageLength = Convert.ToUInt16(propertiesStr.Substring(6), 2);
aomaData.TerminalId = pack.CloneRange(6, 7);
aomaData.SerialNum = Convert.ToUInt16(pack.CloneRange(13, 2).ByteArrToHexStr(), 16);
var startIndex = 15;
if (aomaData.IsMultiPacket)
{
aomaData.TotalPack = Convert.ToUInt16(pack.CloneRange(15, 2).ByteArrToHexStr(), 16);
aomaData.PackNum = Convert.ToUInt16(pack.CloneRange(17, 2).ByteArrToHexStr(), 16);
startIndex = 19;
}
aomaData.DateTime = pack.CloneRange(startIndex, 6);
aomaData.EventType = (EventType)pack[startIndex + 6];
aomaData.Manufacturer = (Manufacturer)pack[startIndex + 7];
aomaData.FileNameLength = pack[startIndex + 8];
aomaData.FileName =
Encoding.GetString(pack.CloneRange(startIndex + 9, pack.Length - 3 - (startIndex + 9) + 1));
aomaData.CheckCode = pack[pack.Length - 2];
//}
}
catch (Exception e)
{
//LogManager.Error(e.Message, e);
ErrorQueue.Enqueue(e);
throw;
//return null;
}
return(aomaData);
}