/// <summary>
/// Caculate basic stats and save the packet to a stream
/// </summary>
/// <param name="envelope"></param>
private void SavePacket( PacketData.PacketWrapper envelope )
{
// Debug.WriteLineIf((int)envelope.RadioID != (int)_theReaderID.Handle, String.Format("Expected: {0}, Actual: {1}", (int)_theReaderID.Handle, (int)envelope.RadioID), "ERROR");
Debug.Assert( envelope.ReaderName == Name );
PacketData.PacketBase packet = envelope.Packet;
PacketData.PacketType type = envelope.PacketType;
switch ( type )
{
case PacketData.PacketType.CMD_BEGIN:
{
LastUsedAntenna = null;
LastCommandResult = null;
PacketData.cmd_beg cmd_beg = packet as PacketData.cmd_beg;
Debug.Assert( cmd_beg != null );
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
System.Threading.Interlocked.Increment( ref _rawCommandCount );
#pragma warning restore 420
}
break;
case PacketData.PacketType.CMD_END:
{
PacketData.cmd_end cmd_end = packet as PacketData.cmd_end;
Debug.Assert( cmd_end != null );
LastCommandResult = cmd_end.Result;
if ( cmd_end.Result != 0 ) CommandErrors++;
}
break;
case PacketData.PacketType.ANTENNA_CYCLE_BEGIN:
{
PacketData.ant_cyc_beg cyc_beg = packet as PacketData.ant_cyc_beg;
Debug.Assert( cyc_beg != null );
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
System.Threading.Interlocked.Increment( ref _rawAntennaCycleCount );
#pragma warning restore 420
// PacketLogger.Comment(String.Format("Start of Cycle {0} Command={1}", RawCycleCount - 1, RawCommandCount - 1));
lock ( _tagInventoryData )
{
foreach ( TagInventory ti in TagInventoryData )
{
ti.cycleReadCount = 0;
ti.totalCycleCount = RawAntennaCycleCount;
}
}
}
break;
case PacketData.PacketType.ANTENNA_CYCLE_BEGIN_DIAG:
{
PacketData.ant_cyc_beg_diag cyc_beg_diag = packet as PacketData.ant_cyc_beg_diag;
Debug.Assert( cyc_beg_diag != null );
}
break;
case PacketData.PacketType.ANTENNA_CYCLE_END:
{
PacketData.ant_cyc_end cyc_end = packet as PacketData.ant_cyc_end;
Debug.Assert( cyc_end != null );
// PacketLogger.Comment(String.Format("End of Cycle {0}", RawCycleCount - 1));
}
break;
case PacketData.PacketType.ANTENNA_CYCLE_END_DIAG:
{
PacketData.ant_cyc_end_diag cyc_end_diag = packet as PacketData.ant_cyc_end_diag;
Debug.Assert( cyc_end_diag != null );
}
break;
case PacketData.PacketType.ANTENNA_BEGIN:
{
PacketData.ant_beg ant_beg = packet as PacketData.ant_beg;
Debug.Assert( ant_beg != null );
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
System.Threading.Interlocked.Increment( ref _rawAntennaCount );
#pragma warning restore 420
LastUsedAntenna = ant_beg.antenna;
}
break;
case PacketData.PacketType.ANTENNA_END:
{
PacketData.ant_end ant_end = packet as PacketData.ant_end;
Debug.Assert( ant_end != null );
LastUsedAntenna = null;
}
break;
case PacketData.PacketType.ANTENNA_BEGIN_DIAG:
{
PacketData.ant_beg_diag ant_beg_diag = packet as PacketData.ant_beg_diag;
Debug.Assert( ant_beg_diag != null );
}
break;
case PacketData.PacketType.ANTENNA_END_DIAG:
{
PacketData.ant_end_diag ant_end_diag = packet as PacketData.ant_end_diag;
Debug.Assert( ant_end_diag != null );
}
break;
case PacketData.PacketType.INVENTORY_CYCLE_BEGIN:
{
PacketData.inv_cyc_beg inv_cyc_beg = packet as PacketData.inv_cyc_beg;
Debug.Assert( inv_cyc_beg != null );
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
System.Threading.Interlocked.Increment( ref _rawInventoryCycleCount );
#pragma warning restore 420
// PacketLogger.Comment(String.Format("Start of Cycle {0} Command={1}", RawCycleCount - 1, RawCommandCount - 1));
}
break;
case PacketData.PacketType.INVENTORY_CYCLE_END:
{
PacketData.inv_cyc_end inv_cyc_end = packet as PacketData.inv_cyc_end;
Debug.Assert( inv_cyc_end != null );
}
break;
case PacketData.PacketType.CARRIER_INFO:
{
PacketData.carrier_info carrier_info = packet as PacketData.carrier_info;
Debug.Assert( carrier_info != null );
}
break;
case PacketData.PacketType.INVENTORY_CYCLE_END_DIAGS:
{
PacketData.inv_cyc_end_diag inv_cyc_end_diag = packet as PacketData.inv_cyc_end_diag;
Debug.Assert( inv_cyc_end_diag != null );
}
break;
case PacketData.PacketType.ISO18K6C_INVENTORY_ROUND_BEGIN:
{
PacketData.inv_rnd_beg inv_rnd_beg = packet as PacketData.inv_rnd_beg;
Debug.Assert( inv_rnd_beg != null );
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
System.Threading.Interlocked.Increment( ref _rawRoundCount );
#pragma warning restore 420 // reference to a volatile field is valid for Interlocked call
}
break;
case PacketData.PacketType.ISO18K6C_INVENTORY_ROUND_BEGIN_DIAG:
{
PacketData.inv_rnd_beg_diag inv_rnd_beg_diag = packet as PacketData.inv_rnd_beg_diag;
Debug.Assert( inv_rnd_beg_diag != null );
}
break;
case PacketData.PacketType.ISO18K6C_INVENTORY_ROUND_END_DIAG:
{
PacketData.inv_rnd_end_diag inv_rnd_end_diag = packet as PacketData.inv_rnd_end_diag;
Debug.Assert( inv_rnd_end_diag != null );
}
break;
case PacketData.PacketType.ISO18K6C_INVENTORY:
{
PacketData.inventory epc = packet as PacketData.inventory;
Debug.Assert( epc != null );
BitVector32 flags = new BitVector32( epc.flags );
bool badCrc = flags[ PacketData.PacketBase.crcResult ] != 0;
if ( badCrc )
{
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
System.Threading.Interlocked.Increment( ref _cRCErrors );
#pragma warning restore 420
}
else
{
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
System.Threading.Interlocked.Increment( ref _rawInventoryCount );
#pragma warning restore 420
rfidTag key = new rfidTag( epc.inventory_data );
if ( _sessionTagList.AddOrIncrementTagCount( key ) == 1 )
{
_requestTagList.Add( key, 1 );
_periodTagList.Add( key, 1 );
}
else
{
if ( _requestTagList.AddOrIncrementTagCount( key ) == 1 )
{
_periodTagList.Add( key, 1 );
}
else
{
_periodTagList.AddOrIncrementTagCount( key );
}
}
string epcData = BitConverter.ToString( epc.inventory_data, 0, epc.inventory_data.Length - flags[ PacketData.PacketBase.paddingBytes ] );
int CycleSlotNumber = RawAntennaCycleCount == 0 ? 0 : RawAntennaCycleCount - 1;
KeyList<TagInventory> epcDataKey = new KeyList<TagInventory>( "tagIdData", epcData );
_inventoryMatrix.AddTagCycle( epcData, CycleSlotNumber );
TagInventory tagInventory = new TagInventory( );
lock ( _tagInventoryData )
{
LastUsedAntenna = epc.logic_ant;
if ( !TagInventoryData.Contains( epcDataKey ) ) // new tag ID
{
// PacketLogger.Comment(String.Format("First Read of Tag {0} Command={1}, Cycle={2}", epcData, RawCommandCount - 1, RawCycleCount - 1));
tagInventory.tagIdData = epcData;
tagInventory.readCount = 1;
tagInventory.cycleReadCount = 1;
tagInventory.firstReadTime = epc.ms_ctr;
tagInventory.lastReadTime = epc.ms_ctr;
tagInventory.firstCommand = RawCommandCount - 1;
tagInventory.lastCommand = RawCommandCount - 1;
tagInventory.actualCycleCount = 1;
tagInventory.totalCycleCount = RawAntennaCycleCount;
tagInventory.cycleReadCount = 1;
tagInventory.sumOfCommandReads = 0;
//tagInventory.readRate = 0;
//tagInventory.readerCycleCount;
//tagInventory.firstReaderCycle;
//tagInventory.lastReaderCycle;
//tagInventory.antennaCycleCount;
//tagInventory.firstAntennaCycle;
//tagInventory.lastAntennaCycle;
tagInventory.port0reads = 0;
tagInventory.port1reads = 0;
tagInventory.port2reads = 0;
tagInventory.port3reads = 0;
tagInventory.port4reads = 0;
tagInventory.port5reads = 0;
tagInventory.port6reads = 0;
tagInventory.port7reads = 0;
tagInventory.port8reads = 0;
tagInventory.port9reads = 0;
tagInventory.port10reads = 0;
tagInventory.port11reads = 0;
tagInventory.port12reads = 0;
tagInventory.port13reads = 0;
tagInventory.port14reads = 0;
tagInventory.port15reads = 0;
if ( LastUsedAntenna != null )
{
switch ( LastUsedAntenna )
{
case 0:
tagInventory.port0reads = 1;
break;
case 1:
tagInventory.port1reads = 1;
break;
case 2:
tagInventory.port2reads = 1;
break;
case 3:
tagInventory.port3reads = 1;
break;
case 4:
tagInventory.port4reads = 1;
break;
case 5:
tagInventory.port5reads = 1;
break;
case 6:
tagInventory.port6reads = 1;
break;
case 7:
tagInventory.port7reads = 1;
break;
case 8:
tagInventory.port8reads = 1;
break;
case 9:
tagInventory.port9reads = 1;
break;
case 10:
tagInventory.port10reads = 1;
break;
case 11:
tagInventory.port11reads = 1;
break;
case 12:
tagInventory.port12reads = 1;
break;
case 13:
tagInventory.port13reads = 1;
break;
case 14:
tagInventory.port14reads = 1;
break;
case 15:
tagInventory.port15reads = 1;
break;
default:
break;
}
}
// tagInventory.inventoryRoundCount;
// tagInventory.firstinventoryRound;
// tagInventory.lastinventoryRound;
TagInventoryData.Add( tagInventory );
}
else
{
tagInventory = ( TagInventory ) TagInventoryData[ epcDataKey ];
tagInventory.readCount++;
if ( tagInventory.lastCommand == CycleSlotNumber )
{
tagInventory.cycleReadCount += 1;
}
else
{
tagInventory.cycleReadCount = 1;
tagInventory.actualCycleCount++;
tagInventory.lastCommand = CycleSlotNumber;
}
tagInventory.totalCycleCount = RawAntennaCycleCount;
tagInventory.lastReadTime = epc.ms_ctr;
// if (tagInventory.lastReadTime > tagInventory.firstReadTime)
//{
// tagInventory.readRate = (float)(tagInventory.ReadCount) / (float)((tagInventory.LastReadTime - tagInventory.FirstReadTime) / 100);
//}
//tagInventory.commandCount = 1;
//tagInventory.firstCommand;
//tagInventory.lastCommand;
//tagInventory.readerCycleCount;
//tagInventory.firstReaderCycle;
//tagInventory.lastReaderCycle;
//tagInventory.antennaCycleCount;
//tagInventory.firstAntennaCycle;
//tagInventory.lastAntennaCycle;
if ( LastUsedAntenna != null )
{
switch ( LastUsedAntenna )
{
case 0:
tagInventory.port0reads += 1;
break;
case 1:
tagInventory.port1reads += 1;
break;
case 2:
tagInventory.port2reads += 1;
break;
case 3:
tagInventory.port3reads += 1;
break;
case 4:
tagInventory.port4reads += 1;
break;
case 5:
tagInventory.port5reads += 1;
break;
case 6:
tagInventory.port6reads += 1;
break;
case 7:
tagInventory.port7reads += 1;
break;
case 8:
tagInventory.port8reads += 1;
break;
case 9:
tagInventory.port9reads += 1;
break;
case 10:
tagInventory.port10reads += 1;
break;
case 11:
tagInventory.port11reads += 1;
break;
case 12:
tagInventory.port12reads += 1;
break;
case 13:
tagInventory.port13reads += 1;
break;
case 14:
tagInventory.port14reads += 1;
break;
case 15:
tagInventory.port15reads += 1;
break;
default:
break;
}
}
//tagInventory.inventoryRoundCount ;
//tagInventory.firstinventoryRound ;
//tagInventory.lastinventoryRound ;
tagInventory.dataRead = ""; //clark 2011.4. copied from R1000 Tracer
TagInventoryData[epcDataKey] = tagInventory;
}
}
}
}
break;
case PacketData.PacketType.ISO18K6C_INVENTORY_DIAG:
break;
case PacketData.PacketType.ISO18K6C_TAG_ACCESS:
{
PacketData.Iso18k6c_access access = packet as PacketData.Iso18k6c_access;
Debug.Assert( access != null );
BitVector32 flags = new BitVector32( access.flags );
bool badCrc = flags[ PacketData.PacketBase.accessCRCFlag ] == ( int ) PacketData.PacketBase.CrcResultValues.Bad;
if ( badCrc )
{
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
System.Threading.Interlocked.Increment( ref _cRCErrors );
#pragma warning restore 420
}
else
{
if ( flags[ PacketData.PacketBase.accessErrorFlag ] == ( int ) PacketData.PacketBase.ISO_18000_6C_ErrorFlag.AccessSucceeded )
{
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
System.Threading.Interlocked.Increment( ref _commonAccessCount );
#pragma warning restore 420
}
// Update Requests Here - todo
// envelope.RecordReadRequest( ( int ) TagBank, TagMemoryLocation, TagMemoryLength, TagPassword );
//Clark 2011.2.18 Copied from R1000 Tracer
PacketData.PacketWrapper[] RecentPacketArray = new PacketData.PacketWrapper[RecentPacketList.Count];
RecentPacketList.CopyTo(RecentPacketArray);
for (int i = (RecentPacketArray.Length) - 1; i >= 0; i--)
{
if (RecentPacketArray[i].PacketType == PacketData.PacketType.ISO18K6C_INVENTORY)
{
PacketData.PacketBase pa = RecentPacketArray[i].Packet;
PacketData.inventory epc = (PacketData.inventory)pa;
string epcData = BitConverter.ToString(epc.inventory_data, 0, epc.inventory_data.Length);// - flags[PacketData.PacketBase.paddingBytes]);
KeyList<TagInventory> epcDataKey = new KeyList<TagInventory>("tagIdData", epcData);
//Console.WriteLine(epcData);
TagInventory tagInventory = new TagInventory();
lock (_tagInventoryData)
{
if (TagInventoryData.Contains(epcDataKey))
{
tagInventory = (TagInventory)TagInventoryData[epcDataKey];
BitVector32 accessflags = new BitVector32(access.flags);
if (access.data.Length >= 2)
{
if (accessflags[PacketData.PacketBase.accessErrorFlag] == (int)PacketData.PacketBase.ISO_18000_6C_ErrorFlag.AccessSucceeded)
{
//int Count = TagAccessReqCount * 2;
//if (TagAccessReqCount > 8)
//{
// Count = 16;
// TagAccessReqCount -= 8;
//}
//tagInventory.dataRead += BitConverter.ToString(access.data, 0, Count);// TagAccessReqCount * 2);//access.data.GetLength(0));
tagInventory.dataRead += BitConverter.ToString(access.data, 0, TagAccessReqCount * 2);//access.data.GetLength(0));
}
else
tagInventory.dataRead = "";
TagInventoryData[epcDataKey] = tagInventory;
}
//Console.WriteLine(BitConverter.ToString(access.data, 0, access.data.Length));
}
}
break;
}
}
}
}
break;
case PacketData.PacketType.FREQUENCY_HOP_DIAG:
break;
case PacketData.PacketType.DEBUG:
{
PacketData.debug debugPacket = packet as PacketData.debug;
Debug.Assert(debugPacket != null);
}
break;
case PacketData.PacketType.COMMAND_ACTIVE:
{
PacketData.command_active commandActive = packet as PacketData.command_active;
Debug.Assert(commandActive != null);
}
break;
case PacketData.PacketType.NONCRITICAL_FAULT:
break;
case PacketData.PacketType.U_N_D_F_I_N_E_D:
default:
break;
}
// Save the packet
FileHandler.WritePacket( envelope );
RecentPacketList.Add( new PacketData.PacketWrapper( envelope ) );
if ( EnableLogging )
{
//Write Log
PacketLogger.Log( envelope );
}
} //private void SavePacket(PacketData.PacketWrapper envelope)
public Int32 MyCallback
(
UInt32 bufferLength,
IntPtr pBuffer,
IntPtr context
)
{
Byte[ ] packetBuffer = new Byte[ bufferLength ];
Marshal.Copy( pBuffer, packetBuffer, 0, ( Int32 ) bufferLength );
String errorMessage = null;
PacketData.PacketBase packet = null;
PacketData.PacketType type = PacketData.ParsePacket
(
packetBuffer,
out packet,
out errorMessage
);
SysLogger.WriteToLog = true;
PacketData.PacketWrapper envelope = null;
long elapsedSesionTime = ElapsedMilliseconds;
if ( packet == null || type == PacketData.PacketType.U_N_D_F_I_N_E_D || errorMessage != null )
{
BadPacket badPacket = new BadPacket( );
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
badPacket.badPacketSequence = System.Threading.Interlocked.Increment( ref _commonBadIndex );
#pragma warning restore 420
badPacket.packetTime = DateTime.UtcNow;
badPacket.rawPacketData = packetBuffer.Clone( ) as byte[ ];
badPacket.errorMessage = errorMessage;
using ( MemoryStream data = new MemoryStream( 256 ) )
{
badPacket.WriteTo( data );
envelope = new PacketData.PacketWrapper( new PacketData.CommandPsuedoPacket( "BadPacket", data.ToArray( ) ), PacketData.PacketType.U_N_D_F_I_N_E_D );
}
envelope.IsPseudoPacket = true;
envelope.PacketNumber = badPacket.PacketSequence;
envelope.Timestamp = badPacket.packetTime;
envelope.ReaderIndex = ( int ) _theReaderID.Handle;
envelope.ReaderName = _theReaderID.Name;
envelope.CommandNumber = _processedInventoryIndex;
envelope.ElapsedTimeMs = elapsedSesionTime;
}
else
{
envelope = new PacketData.PacketWrapper
(
packet,
type,
packetBuffer,
_commonRequestIndex,
elapsedSesionTime,
( int ) this.ReaderHandle,
Name
);
Debug.Assert( envelope.PacketType == type );
}
if ( VirtualReaderQueue != null )
{
lock ( VirtualReaderQueue )
{
VirtualReaderQueue.Enqueue( envelope );
}
}
lock ( PacketQueue )
{
PacketQueue.Enqueue( envelope );
}
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
int queueSize = Interlocked.Increment( ref _queueCount );
#pragma warning restore 420
_maxQueueSize = queueSize > _maxQueueSize ? queueSize : _maxQueueSize;
if (queueSize > MAX_QUEUE_SIZE)
{
int loopCount = 0;
while (queueSize > TARGET_QUEUE_SIZE && loopCount < 1000)
{
loopCount++;
QueueEvent.Set();
Thread.Sleep(QUEUE_SLEEP_MS);
queueSize = _queueCount;
}
// Write an informational entry to the event log.
SysLogger.LogMessage(String.Format("Queue Size = {0}\nMax Queue Size = {1}\nSleep Count = {2}\nPacket Count = {3}", queueSize, _maxQueueSize, loopCount, ProcessedPacketCount));
}
return FunctionController.GetActionRequest( ) != FunctionControl.RequestedAction.Abort ? 0 : 1;
}
/// <summary>
///
/// </summary>
/// <param name="PacketBuffer"></param>
private bool PacketCallBackFromReader( int readerIndex, Byte[ ] PacketBuffer )
{
uint myHandle = this._theReaderID._handle;
Debug.Assert( readerIndex == myHandle );
String errorMessage = null;
PacketData.PacketBase packet = null;
//!! TODO: fix output SysLogger.WriteToLog = ation != Library;
PacketData.PacketType type = PacketData.ParsePacket( PacketBuffer, out packet, out errorMessage );
SysLogger.WriteToLog = true;
PacketData.PacketWrapper envelope = null;
long elapsedSesionTime = ElapsedMilliseconds;
if ( packet == null || type == PacketData.PacketType.U_N_D_F_I_N_E_D || errorMessage != null )
{
BadPacket badPacket = new BadPacket( );
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
badPacket.badPacketSequence = System.Threading.Interlocked.Increment( ref _commonBadIndex );
#pragma warning restore 420
badPacket.packetTime = DateTime.UtcNow;
badPacket.rawPacketData = PacketBuffer.Clone( ) as byte[ ];
badPacket.errorMessage = errorMessage;
using ( MemoryStream data = new MemoryStream( 256 ) )
{
badPacket.WriteTo( data );
envelope = new PacketData.PacketWrapper( new PacketData.CommandPsuedoPacket( "BadPacket", data.ToArray( ) ), PacketData.PacketType.U_N_D_F_I_N_E_D );
}
envelope.IsPseudoPacket = true;
envelope.PacketNumber = badPacket.PacketSequence;
envelope.Timestamp = badPacket.packetTime;
envelope.ReaderIndex = ( int ) _theReaderID.Handle;
envelope.ReaderName = _theReaderID.Name;
envelope.CommandNumber = _processedInventoryIndex;
envelope.ElapsedTimeMs = elapsedSesionTime;
}
else
{
envelope = new PacketData.PacketWrapper( packet, type, PacketBuffer, _commonRequestIndex, elapsedSesionTime, readerIndex, Name );
Debug.Assert( envelope.PacketType == type );
}
lock ( PacketQueue )
{
PacketQueue.Enqueue( envelope );
}
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
int queueSize = Interlocked.Increment( ref _queueCount );
#pragma warning restore 420
_maxQueueSize = queueSize > _maxQueueSize ? queueSize : _maxQueueSize;
//if ( queueSize > MAX_QUEUE_SIZE )
//{
// int loopCount = 0;
// while ( queueSize > TARGET_QUEUE_SIZE && loopCount < 1000 )
// {
// loopCount++;
// QueueEvent.Set( );
// Thread.Sleep( QUEUE_SLEEP_MS );
// queueSize = _queueCount;
// }
// // Write an informational entry to the event log.
// SysLogger.LogMessage( String.Format( "Queue Size = {0}\nMax Queue Size = {1}\nSleep Count = {2}\nPacket Count = {3}", queueSize, _maxQueueSize, loopCount, ProcessedPacketCount ) );
//}
return FunctionController.GetActionRequest( ) != FunctionControl.RequestedAction.Abort;
}
} // MonitorInventory(Object context, BackgroundWorker worker, int refreshMS, int singulationLimit, int readerCycleLimit)
/// <summary>
/// Read Tag memory
/// </summary>
/// <param name="context"></param>
/// <param name="worker"></param>
/// <param name="refreshMS"></param>
/// <returns></returns>
//public ReportBase TagAccess(Object context, BackgroundWorker worker, int refreshMS, int r_iTagAccessReqCount)//??把计??//Add LargeRead command
public ReportBase TagAccess(Object context, BackgroundWorker worker, int refreshMS, int r_iTagAccessReqCount, int r_iTagAccessReqCountRead)//??把计??//Add LargeRead command
{
#if DEBUG
System.Diagnostics.Debug.WriteLine( String.Format( "{0}() ThreadID = {1}", System.Reflection.MethodInfo.GetCurrentMethod( ).Name, Thread.CurrentThread.ManagedThreadId ) );
#endif
if ( IsDisposed )
throw new ObjectDisposedException( "LakeChabotReader" );
if ( Mode != rfidReader.OperationMode.BoundToReader )
return new rfidSimpleReport( context, OperationOutcome.FailByContext,
new rfidException( rfidErrorCode.ReaderIsNotBound, "Reader must be bound before tag can be read." ) );
if ( _control.State != FunctionControl.FunctionState.Idle )
return new rfidSimpleReport( context, OperationOutcome.FailByContext, new Exception( "Cannot read the tag, the prior task has not completed" ) );
if ( null == worker )
return new rfidSimpleReport( context, OperationOutcome.FailByApplicationError, new ArgumentNullException( "worker", "BackgroundWorker is required" ) );
if ( refreshMS < MIN_REFRESH_MS || refreshMS > MAX_REFRESH_MS )
return new rfidSimpleReport( context, OperationOutcome.FailByApplicationError, new ArgumentOutOfRangeException( "refreshMS", refreshMS, string.Format( "Value must be between {0} and {1}", MIN_REFRESH_MS, MAX_REFRESH_MS ) ) );
// Tag Read is never in continuous mode
rfid.Constants.RadioOperationMode priorMode = ReaderOperationMode;
if ( priorMode != rfid.Constants.RadioOperationMode.NONCONTINUOUS )
{
ReaderOperationMode = rfid.Constants.RadioOperationMode.NONCONTINUOUS;
}
_refreshRateMS = refreshMS;
_bgdWorker = worker;
_requestTagList.Clear( );
_periodTagList.Clear( );
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
System.Threading.Interlocked.Exchange( ref _commonAccessCount, 0 );
#pragma warning restore 420
rfidOperationReport report = new rfidOperationReport( context,
ElapsedMilliseconds,
RequestCount,
RawAntennaCycleCount,
RawInventoryCycleCount,
BadPacketCount,
CRCErrorCount,
RawPacketCount,
RawRoundCount,
RawInventoryCount,
SessionUniqueTags,
RequestUniqueTags,
CurrentUniqueTags,
SessionDuration );
_control.StartAction( );
//_managedAccess.Callback = PacketCallBackFromReader;
PerformanceCounter processorUtilizationCounter = null;
try
{
processorUtilizationCounter = new PerformanceCounter( "Processor", "% Processor Time", "_Total", "." );
}
catch ( Exception ) { }
//ReaderInterfaceThreadClass threadClass = new ReaderInterfaceThreadClass(_managedAccess, (int)ReaderHandle, TagAccessDataSet);//??把计??//Add LargeRead command
ReaderInterfaceThreadClass threadClass = new ReaderInterfaceThreadClass(_managedAccess, (int)ReaderHandle, TagAccessDataSet, TagAccessReadSet);//??把计??//Add LargeRead command
threadClass._reader = this; // HACK
Thread runnerThread = new Thread(new ThreadStart(threadClass.AccessThreadProc));
runnerThread.Name = "AccessTag";
runnerThread.IsBackground = true;
runnerThread.Priority = ThreadPriority.BelowNormal;
runnerThread.Start( );
int notused = FileHandler.TotalPacketCount; // Make sure the file is created;
// Wait for thread to be in ready state
int counter = 500;
while ( counter-- > 0 && ( int ) ( runnerThread.ThreadState & System.Threading.ThreadState.WaitSleepJoin ) == 1 )
{
Thread.Sleep( 10 );
}
if ( !runnerThread.IsAlive )
{
return new rfidSimpleReport( context, OperationOutcome.FailByApplicationError, new ApplicationException( "BackgroundWorker thread could not be started." ) );
}
ReaderRequest readerRequest = new ReaderRequest( );
readerRequest.reader = _theReaderID.Name;
#pragma warning disable 420 // reference to a volatile field is valid for Interlocked call
readerRequest.requestSequence = System.Threading.Interlocked.Increment( ref _commonRequestIndex );
#pragma warning restore 420
readerRequest.requestName = rfidReader.GetNameForRequest( rfidReader.ReaderRequestType.TagAccess );
readerRequest.startTime = GetSessionRelativeDateTime( report.StartTimeMS );
readerRequest.requestStartTime = report.StartTimeMS;
readerRequest.startingPacketCount = RawPacketCount;
readerRequest.startingTagCount = RawInventoryCount;
MemoryStream data = new MemoryStream( );
readerRequest.WriteTo( data );
PacketData.PacketWrapper pseudoPacket = new PacketData.PacketWrapper( new PacketData.CommandPsuedoPacket( readerRequest.requestName, data.ToArray( ) ), PacketData.PacketType.U_N_D_F_I_N_E_D );
pseudoPacket.IsPseudoPacket = true;
pseudoPacket.ReaderName = _theReaderID.Name;
pseudoPacket.ReaderIndex = ( int ) _theReaderID.Handle;
FileHandler.WritePacket( pseudoPacket );
//clark 2011.2.18 Record that user request data length
TagAccessReqCount = r_iTagAccessReqCount;
TagAccessReqCountRead = r_iTagAccessReqCountRead;//把计??
DateTime ReportDue = DateTime.Now.AddMilliseconds( refreshMS );
threadClass.StartEvent.Set( );
while ( runnerThread.IsAlive )
{
CounterSample sample = CounterSample.Empty;
if ( processorUtilizationCounter != null )
{
try
{
sample = processorUtilizationCounter.NextSample( );
}
catch ( Exception ) { }
}
ProcessQueuedPackets( );
QueueEvent.WaitOne( 30, true );
QueueEvent.Reset( );
DateTime now = DateTime.Now;
if ( ReportDue.Ticks <= now.Ticks )
{
//Debug.WriteLine(String.Format("Reporing Progress Now (Elapsed Milliseconds {0})", ElapsedMilliseconds));
_bgdWorker.ReportProgress(
0,
report.GetProgressReport( ElapsedMilliseconds,
RequestCount,
RawAntennaCycleCount,
RawInventoryCycleCount,
BadPacketCount,
CRCErrorCount,
RawPacketCount,
RawRoundCount,
RawInventoryCount,
SessionUniqueTags,
RequestUniqueTags,
CurrentUniqueTags,
SessionDuration ) );
_periodTagList.Clear( );
ReportDue = now.AddMilliseconds( refreshMS );
}
if ( !runnerThread.IsAlive )
break;
if ( FunctionController.GetActionRequest( ) == FunctionControl.RequestedAction.Abort )
{
threadClass.Stop = true;
Result abortError = Result.OK;
try
{
abortError = LakeChabotReader.MANAGED_ACCESS.API_ControlAbort();
}
catch ( Exception e )
{
Debug.WriteLine( String.Format( "Error attempting to abort: {0}", e.Message ) );
}
break;
}
if ( FunctionController.GetActionRequest( ) == FunctionControl.RequestedAction.Stop )
{
threadClass.Stop = true;
Result stopError = Result.OK;
try
{
stopError = LakeChabotReader.MANAGED_ACCESS.API_ControlCancel();
}
catch ( Exception e )
{
Debug.WriteLine( String.Format( "Error attempting to stop: {0}", e.Message ) );
}
if ( Result.OK != stopError )
{
// Try to abort
}
break;
}
if ( FunctionController.State == FunctionControl.FunctionState.Paused )
{
do
{
Thread.Sleep( refreshMS );
} while ( FunctionController.State == FunctionControl.FunctionState.Paused );
}
if ( !runnerThread.IsAlive )
break;
float processorUtilization = 0;
if ( processorUtilizationCounter != null && sample != CounterSample.Empty )
{
try
{
CounterSample.Calculate( sample, processorUtilizationCounter.NextSample( ) );
}
catch ( Exception ) { }
}
// Debug.WriteLine(String.Format("Processor Util: {0}", processorUtilization));
if ( processorUtilization > ( float ) TARGET_MAX_USAGE_PERCENT )
_packetSleepMS += SLEEP_ADD_SUBTRACT_MS;
else
_packetSleepMS -= _packetSleepMS <= MIN_SLEEP_TIME_MS ? 0 : SLEEP_ADD_SUBTRACT_MS;
}
runnerThread.Join( );
// Get any leftover packets
ProcessQueuedPackets( );
if ( LastCommandResult != 0 ) MacClearError( );
OperationOutcome outcome = OperationOutcome.Success;
string result = threadClass.Result;
if ( !( result == null || result == "" || result == "OK" ) )
{
switch ( _control.State )
{
case FunctionControl.FunctionState.Stopping:
outcome = OperationOutcome.SuccessWithUserCancel;
break;
case FunctionControl.FunctionState.Aborting:
outcome = OperationOutcome.FailByUserAbort;
break;
// case FunctionControl.FunctionState.Running:
// outcome = OperationOutcome.FailByReaderError;
// report.ErrorMessage = result;
// break;
case FunctionControl.FunctionState.Idle:
case FunctionControl.FunctionState.Paused:
case FunctionControl.FunctionState.Unknown:
default:
outcome = OperationOutcome.Unknown;
break;
}
}
_control.Finished( );
report.OperationCompleted( outcome,
ElapsedMilliseconds,
RequestCount,
RawAntennaCycleCount,
RawInventoryCycleCount,
BadPacketCount,
CRCErrorCount,
RawPacketCount,
RawRoundCount,
RawInventoryCount,
SessionUniqueTags,
RequestUniqueTags,
CurrentUniqueTags,
SessionDuration );
// reset the mode
ReaderOperationMode = priorMode;
if ( EnableLogging )
{
//Push data from buffer to file. And clear buffer.
PacketLogger.Flush();
}
return report;
}