/// <summary>
/// Deserializes the TSM from the C-DEngine binary format
/// This is not used for the HTTP channel but reserverd for future use on other TCP/UPD channels
/// </summary>
/// <param name="pInBuffer"></param>
/// <param name="pOffset"></param>
/// <returns></returns>
internal static TSM FromPacketBytes(byte[] pInBuffer, int pOffset)
{
int numberOfDataEntries = 0;
byte[] dataBytes = null;
TSM tNewTSM = new TSM(); //Save not to write ORG or SID
using (MemoryStream byteStream = new MemoryStream(pInBuffer, pOffset, pInBuffer.Length - pOffset))
{
int packetSize = (byteStream.ReadByte() << 0);
packetSize |= (byteStream.ReadByte() << 8);
packetSize |= (byteStream.ReadByte() << 16);
packetSize |= (byteStream.ReadByte() << 24);
if (packetSize != pInBuffer.Length)
{
throw new InvalidOperationException("Invalid packet size");
}
long timeBinary = byteStream.ReadByte();
timeBinary |= ((long)byteStream.ReadByte()) << 8;
timeBinary |= ((long)byteStream.ReadByte()) << 16;
timeBinary |= ((long)byteStream.ReadByte()) << 24;
timeBinary |= ((long)byteStream.ReadByte()) << 32;
timeBinary |= ((long)byteStream.ReadByte()) << 40;
timeBinary |= ((long)byteStream.ReadByte()) << 48;
timeBinary |= ((long)byteStream.ReadByte()) << 56;
int timeOffsetInMinutes = (byteStream.ReadByte() << 0);
timeOffsetInMinutes |= (byteStream.ReadByte() << 8);
tNewTSM.TIM = new DateTimeOffset(DateTime.FromFileTime(timeBinary), new TimeSpan(0, timeOffsetInMinutes, 0));
tNewTSM.LVL = (eMsgLevel)byteStream.ReadByte();
tNewTSM.FLG = (ushort)(((ushort)byteStream.ReadByte()) << 8);
tNewTSM.FLG += (ushort)byteStream.ReadByte();
tNewTSM.QDX += byteStream.ReadByte();
numberOfDataEntries = byteStream.ReadByte();
int PLBlength = byteStream.ReadByte();
PLBlength += byteStream.ReadByte() << 8;
PLBlength += byteStream.ReadByte() << 16;
PLBlength += byteStream.ReadByte() << 24;
dataBytes = new byte[packetSize - (21 + PLBlength + pOffset)];
byteStream.Read(dataBytes, 0, dataBytes.Length);
if (PLBlength > 0)
{
tNewTSM.PLB = new byte[PLBlength];
byteStream.Read(tNewTSM.PLB, 0, PLBlength);
}
}
int byteIndex = 0;
for (int n = 0; n < numberOfDataEntries; n++)
{
//int dataStringLength = BitConverter.ToInt32(dataBytes, byteIndex);
int dataStringLength = (dataBytes[byteIndex] << 0);
dataStringLength |= (dataBytes[byteIndex + 1] << 8);
dataStringLength |= (dataBytes[byteIndex + 2] << 16);
dataStringLength |= (dataBytes[byteIndex + 3] << 24);
byteIndex += 4;
string dataString = TheCommonUtils.CArray2UTF8String(dataBytes, byteIndex, dataStringLength);
byteIndex += dataStringLength;
switch (n)
{
case 0: tNewTSM.TXT = dataString; break;
case 1: tNewTSM.PLS = dataString; break;
case 2: tNewTSM.ORG = dataString; break; //ORG-OK
case 3: tNewTSM.ENG = dataString; break;
case 4: tNewTSM.FID = dataString; break;
case 5: tNewTSM.SID = dataString; break;
case 6: tNewTSM.SEID = dataString; break;
case 7: tNewTSM.UID = dataString; break;
case 8: tNewTSM.CST = dataString; break;
case 9: tNewTSM.OWN = dataString; break;
}
}
return(tNewTSM);
}
