public string ParseByRead(byte[] bytes)
{
Stopwatch sw = new Stopwatch();
sw.Start();
using (MemoryStream ms = new MemoryStream(bytes))
using (BinaryReader br = new BinaryReader(ms))
{
HeaderMessage headerMessage = new HeaderMessage();
headerMessage.blberProtocol = br.ReadByte();
headerMessage.uTermId = br.ReadUInt32();
headerMessage.MsgType = br.ReadByte();
headerMessage.uCRC = br.ReadUInt16();
SpyMessage spyMessage = new SpyMessage();
spyMessage.HeaderMsg = headerMessage;
spyMessage.szTime = Encoding.ASCII.GetString(br.ReadBytes(9));
spyMessage.nEmployeeId = br.ReadUInt32();
spyMessage.szEmployeeName = Encoding.ASCII.GetString(br.ReadBytes(40));
spyMessage.nManagerId = br.ReadUInt32();
spyMessage.szManagerName = Encoding.ASCII.GetString(br.ReadBytes(40));
spyMessage.nTableId = br.ReadUInt32();
spyMessage.nCheckId = br.ReadUInt32();
spyMessage.nTransactionType = br.ReadInt32();
spyMessage.szDescription = Encoding.ASCII.GetString(br.ReadBytes(40));
//byte[] amountBytes = br.ReadBytes(8);
//spyMessage.dAmount = BitConverter.ToDouble(amountBytes, 0);
spyMessage.dAmount = br.ReadDouble();
spyMessage.nQuantity = br.ReadInt16();
sw.Stop();
//Logger.Log("PARSE BY READ (" + sw.ElapsedTicks + ")");
return getSpyMessageSummary(spyMessage).Replace("\0", "");
}
}
public string ParseByMarshal(byte[] bytes)
{
Stopwatch sw = new Stopwatch();
sw.Start();
SpyMessage spyMessage = new SpyMessage();
int size = Marshal.SizeOf(spyMessage);
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.Copy(bytes, 0, ptr, size);
spyMessage = (SpyMessage)Marshal.PtrToStructure(ptr, spyMessage.GetType());
Marshal.FreeHGlobal(ptr);
sw.Stop();
Logger.Log("PARSE BY MARSHAL (" + sw.ElapsedTicks + ")");
return getSpyMessageSummary(spyMessage);
}
private string getSpyMessageSummary(SpyMessage spyMessage)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("Protocol: " + spyMessage.HeaderMsg.blberProtocol);
sb.AppendLine("Term ID: " + spyMessage.HeaderMsg.uTermId);
sb.AppendLine("Message Type: " + spyMessage.HeaderMsg.MsgType);
sb.AppendLine("UCRC: " + spyMessage.HeaderMsg.uCRC);
sb.AppendLine("Time: " + spyMessage.szTime);
sb.AppendLine("Employee ID: " + spyMessage.nEmployeeId);
sb.AppendLine("Employee: " + spyMessage.szEmployeeName);
sb.AppendLine("Manager ID: " + spyMessage.nManagerId);
sb.AppendLine("Manager: " + spyMessage.szManagerName);
sb.AppendLine("Table ID: " + spyMessage.nTableId);
sb.AppendLine("Check ID: " + spyMessage.nCheckId);
sb.AppendLine("Transaction Type: " + getAlohaType(spyMessage.nTransactionType));
sb.AppendLine("Description: " + spyMessage.szDescription);
sb.AppendLine("Amount: " + spyMessage.dAmount);
sb.AppendLine("Quantity: " + spyMessage.nQuantity);
sb.AppendLine();
return sb.ToString();
}