Files
GenericTeProgramLibrary/Source/TSRealLib/MAL/Managers/BitMeasurementManager/MsgHandler/BitMsgHandler.cs
2025-03-13 12:04:22 -07:00

390 lines
13 KiB
C#

// UNCLASSIFIED
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using System;
using Raytheon.Common;
using System.IO;
using System.Collections.Generic;
namespace BitMeasurementManagerLib
{
/// <summary>
/// Handles received messages from the UUT
/// </summary>
internal class BitMsgHandler : MsgDevice
{
#region PublicClassMembers
public enum ErrorCodes
{
NO_ERROR = 0,
UNKNOWN_MSG_ID = 1
};
#endregion
#region PrivateClassMembers
private static object _syncObj = new Object();
private BinaryWriter _binWriter;
private StreamWriter _asciiWriter;
private MeasurementManagerLib.BitMeasurementManager.MessageReceivedDelegate _callback;
private SortedDictionary<uint, bool> _callbackControl;
private readonly BitMessageIDs _messageIds;
private readonly bool _shallWeLogOutgoingBinData;
private readonly bool _shallWeLogOutgoingAsciiData;
private readonly bool _shallWeLogIncomingBinData;
private readonly bool _shallWeLogIncomingAsciiData;
private readonly uint _bitmask;
private readonly string _crcFieldName;
#endregion
#region PublicFuctions
/// <summary>
/// The constructor
/// </summary>
/// <param name="callback">Host callback for received messages</param>
/// <param name="bufferSize">The size of the internal parsing buffer</param>
/// <param name="binLogFileName">THe binary file log name</param>
/// <param name="asciiLogFileName">The ascii file log name</param>
/// <param name="shallWeLogOutgoingBinData"></param>
/// <param name="shallWeLogOutgoingAsciiData"></param>
/// <param name="shallWeLogIncomingBinData"></param>
/// <param name="shallWeLogIncomingAsciiData"></param>
unsafe public BitMsgHandler(BitMessageIDs messageIds, MeasurementManagerLib.BitMeasurementManager.MessageReceivedDelegate callback, uint bufferSize, string binLogFileName, string asciiLogFileName, bool shallWeLogOutgoingBinData, bool shallWeLogOutgoingAsciiData, bool shallWeLogIncomingBinData, bool shallWeLogIncomingAsciiData, uint crcBitmask, string crcFieldName, bool shallWePerformVerboseParserLogging)
: base(new BitMsgParser(messageIds, shallWePerformVerboseParserLogging), bufferSize)
{
_messageIds = messageIds;
// hold onto the callback
_callback = callback;
_shallWeLogOutgoingBinData = shallWeLogOutgoingBinData;
_shallWeLogOutgoingAsciiData = shallWeLogOutgoingAsciiData;
_shallWeLogIncomingBinData = shallWeLogIncomingBinData;
_shallWeLogIncomingAsciiData = shallWeLogIncomingAsciiData;
_bitmask = crcBitmask;
_crcFieldName = crcFieldName;
// set all messages to not issue a callback. Host can change it as necessary
_callbackControl = new SortedDictionary<uint, bool>();
List<uint> msgIds = messageIds.GetAllIds();
foreach (uint id in msgIds)
{
_callbackControl[id] = false;
}
_binWriter = null;
_asciiWriter = null;
SetLogFileNames(binLogFileName, asciiLogFileName);
// set the callback
base.SetCompleteMessageCallback(this.OnCompleteMessage);
}
/// <summary>
/// The finalizer
/// </summary>
~BitMsgHandler()
{
Dispose(false);
}
/// <summary>
/// Add data to the buffer. For this Handler, we are just going to log out the data
/// </summary>
/// <param name="data">The data to add</param>
/// <param name="numBytes">The number of bytes in the data buffer</param>
public override void AddData(byte[] data, uint numBytes)
{
// log out raw data and add to buffer for processing
lock (_syncObj)
{
WriteIncomingDataToLog(data, (int)numBytes);
AddToBuffer(data, numBytes);
}
}
/// <summary>
/// Clear all data from the buffer. We are just logging out data, no buffer to clear
/// </summary>
public void ClearData()
{
ClearBuffer();
}
/// <summary>
///
/// </summary>
public void CloseDataFiles()
{
lock (_syncObj)
{
if (_binWriter != null)
{
_binWriter.Close();
_binWriter.Dispose();
_binWriter = null;
}
if (_asciiWriter != null)
{
_asciiWriter.Close();
_asciiWriter.Dispose();
_asciiWriter = null;
}
}
}
/// <summary>
/// The callback function for when a complete message is received. We are just logging out data, no messages to handle.
/// </summary>
/// <param name="msgId">The id of the message received</param>
/// <param name="pData">The data for the message received</param>
/// <param name="numBytes">the number of bytes in pData</param>
/// <param name="errorCode">The parser error code</param>
unsafe public void OnCompleteMessage(uint msgId, IntPtr pData, uint numBytes, uint errorCode)
{
try
{
if (_messageIds.ContainsId(msgId) == false)
{
ErrorLogger.Instance().Write("BitMsgHandler::OnCompleteMessage() - detected unknown msg id: " + msgId.ToString());
}
else
{
// create the msg and parse it
BitConfigurableMessage msg = BitConfigurableMessageFactory.Instance().RetreiveMessage(msgId);
msg.Parse(pData);
int callbackValue = 0;
// check for crc errors
if (_bitmask != 0x00000000)
{
uint rawStatus = msg.GetDataItemByName<uint>(_crcFieldName);
var maskedStatus = rawStatus & _bitmask;
if (maskedStatus != 0)
{
ErrorLogger.Instance().Write($"Message Status register indicates that a CRC error may have occurred. Raw status read: 0x{rawStatus:X8}. Masked status value: 0x{maskedStatus:X8}");
callbackValue = -1;
}
}
// get the ascii msg
string asciiMessage = msg.ToString();
// log it
WriteIncomingDataToLog(asciiMessage);
// add the message to the buffer in case the host wants it
BitMsgRxBuffer.Instance().AddMsg(msg, false);
// issue callback if requested
uint id = msg.GetMessageId();
if (_callbackControl[id] == true)
{
_callback(id, msg.GetEntireMsgLength(), callbackValue);
}
// some debugging
ErrorLogger.Instance().Write("BitMsgHandler::HandleMsg() - added message " + msgId.ToString("X8") + " to buffer ", ErrorLogger.LogLevel.INFO);
}
}
catch (Exception err)
{
//@@@ need to flow error to the host
ErrorLogger.Instance().Write("BitMsgHandler::HandleMsg() - caught an error: " + err.Message, ErrorLogger.LogLevel.ERROR);
}
}
/// <summary>
/// Subscribe a callback to a specific msg
/// </summary>
/// <param name="msgId">The msg to subscribe to</param>
/// <param name="shallWeIssueCallback">true to get the callbacks, false to not get them</param>
public void SetCallbackControl(uint msgId, bool shallWeIssueCallback)
{
_callbackControl[msgId] = shallWeIssueCallback;
}
/// <summary>
/// Set the data file log names. Closes the previous file and opens a new one
/// </summary>
/// <param name="binLogFileName">The binary file log name</param>
/// <param name="asciiLogFileName">The ascii file log name</param>
public void SetLogFileNames(string binFileName, string asciiFileName)
{
lock (_syncObj)
{
if (_binWriter != null)
{
_binWriter.Close();
}
_binWriter = new BinaryWriter(File.Open(binFileName, FileMode.Create));
if (_asciiWriter != null)
{
_asciiWriter.Close();
}
_asciiWriter = new StreamWriter(File.Open(asciiFileName, FileMode.Create));
}
}
/// <summary>
/// Stops the message handler
/// </summary>
public void QuitHandler()
{
base.QuitThread();
}
/// <summary>
/// Write bin data to a file
/// </summary>
/// <param name="data">The data to write</param>
/// <param name="numBytes">The number of bytes to write</param>
public void WriteIncomingDataToLog(byte[] data, int numBytes)
{
lock (_syncObj)
{
if (_binWriter == null && _shallWeLogIncomingBinData == true)
{
throw new Exception("BitMsgHandler::WriteIncomingDataToLog() - Trying to log bin data before the log file is open");
}
else if (_shallWeLogIncomingBinData == true)
{
// write the data out and flush it for immediate viewing
_binWriter.Write(data, 0, (int)numBytes);
_binWriter.Flush();
}
}
}
/// <summary>
/// Write ascii data to a log file. Prepends a timestamp to the data
/// </summary>
/// <param name="data">The data to write</param>
public void WriteIncomingDataToLog(string data)
{
lock (_syncObj)
{
if (_asciiWriter == null && _shallWeLogIncomingAsciiData == true)
{
throw new Exception("BitMsgHandler::WriteIncomingDataToLog() - Trying to log ascii data before the log file is open");
}
else if (_shallWeLogIncomingAsciiData == true)
{
string timestamp = "Time: " + Util.GetTimeString();
string dataToLog = timestamp + "\r\n" + data;
_asciiWriter.WriteLine(dataToLog);
_asciiWriter.Flush();
}
}
}
/// <summary>
/// Write bin data to a file
/// </summary>
/// <param name="data">The data to write</param>
/// <param name="numBytes">The number of bytes to write</param>
public void WriteOutgoingDataToLog(byte[] data, int numBytes)
{
lock (_syncObj)
{
if (_binWriter == null && _shallWeLogOutgoingBinData == true)
{
throw new Exception("BitMsgHandler::WriteOutgoingDataToLog() - Trying to log bin data before the log file is open");
}
else if (_shallWeLogOutgoingBinData == true)
{
_binWriter.Write(data, 0, numBytes);
_binWriter.Flush();
}
}
}
/// <summary>
/// Write ascii data to a log file. Prepends a timestamp to the data
/// </summary>
/// <param name="data">The data to write</param>
public void WriteOutgoingDataToLog(string data)
{
lock (_syncObj)
{
if (_asciiWriter == null && _shallWeLogOutgoingAsciiData == true)
{
throw new Exception("BitMsgHandler::WriteOutgoingDataToLog() - Trying to log ascii data before the log file is open");
}
else if (_shallWeLogOutgoingAsciiData == true)
{
string timestamp = "Time: " + Util.GetTimeString();
string dataToLog = timestamp + "\r\n" + data;
_asciiWriter.WriteLine(dataToLog);
_asciiWriter.Flush();
}
}
}
/// <summary>
///
/// </summary>
/// <param name="disposing"></param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
try
{
// call the parent dispose first
base.Dispose(disposing);
// now dispose of our resources
if (_binWriter != null)
{
_binWriter.Dispose();
}
if (_asciiWriter != null)
{
_asciiWriter.Dispose();
}
}
catch (Exception err)
{
ErrorLogger.Instance().Write(err.Message + "\r\n" + err.StackTrace);
}
}
}
#endregion
}
}