Gemstone PhasorProtocols Library
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# FrameParser Class

Represents a frame parser for a BPA PDCstream binary data stream and returns parsed data via events.

## Definition

Namespace: Gemstone.PhasorProtocols.BPAPDCstream
Assembly: Gemstone.PhasorProtocols (in Gemstone.PhasorProtocols.dll) Version: 1.0.159 -- Release Build+abd132cce9146ac407095c456214716c4203ac13
C#
View Source Request Example

    public class FrameParser : FrameParserBase<FrameType>

VB
View Source Request Example

    Public Class FrameParser
    	Inherits FrameParserBase(Of FrameType)

C++
View Source Request Example

    public ref class FrameParser : public FrameParserBase<FrameType>

JavaScript
View Source Request Example

    Gemstone.PhasorProtocols.BPAPDCstream.FrameParser = function();

    Type.createClass(
    	'Gemstone.PhasorProtocols.BPAPDCstream.FrameParser',
    	Gemstone.PhasorProtocols.FrameParserBase`1);

Inheritance
  Object MarshalByRefObject Stream BinaryImageParserBase FrameImageParserBase FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType FrameParserBase FrameType FrameParser

## Remarks

Frame parser is implemented as a write-only stream - this way data can come from any source.

## Constructors

FrameParser | Creates a new FrameParser.

## Properties

CanRead | Gets a value indicating whether the current stream supports reading. (Inherited from BinaryImageParserBase)
CanSeek | Gets a value indicating whether the current stream supports seeking. (Inherited from BinaryImageParserBase)
CanTimeout | Gets a value that determines whether the current stream can time out. (Inherited from Stream)
CanWrite | Gets a value indicating whether the current stream supports writing. (Inherited from BinaryImageParserBase)
CheckSumValidationFrameTypes | Gets or sets flags that determine if check-sums for specified frames should be validated. (Inherited from FrameParserBaseTFrameIdentifier)
ConfigurationFileName | Gets or sets required external BPA PDCstream INI based configuration file.
ConfigurationFrame | Gets or sets current IConfigurationFrame used for parsing IDataFrame's encountered in the data stream from a device. (Overrides FrameParserBaseTFrameIdentifier ConfigurationFrame)
ConnectionParameters | Gets or sets any connection specific IConnectionParameters that may be needed for parsing. (Overrides FrameParserBaseTFrameIdentifier ConnectionParameters)
Enabled | Gets or sets a boolean value that indicates whether the frame image parser is currently enabled. (Inherited from FrameImageParserBase FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
Length | The parser is designed as a write only stream, so this method is not implemented. (Inherited from BinaryImageParserBase)
Name | Gets the name of BinaryImageParserBase. (Inherited from BinaryImageParserBase)
ParseWordCountFromByte | Gets or sets flag that interprets word count in packet header from a byte instead of a word.
Position | The parser is designed as a write only stream, so this method is not implemented. (Inherited from BinaryImageParserBase)
ProtocolSyncBytes | Gets or sets synchronization bytes for this parsing implementation, if used. (Inherited from BinaryImageParserBase)
ProtocolUsesSyncBytes | Gets flag that determines if this protocol parsing implementation uses synchronization bytes. (Overrides ProtocolUsesSyncBytes)
QueuedBuffers | Gets the total number of buffers that are currently queued for processing, if any. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
QueuedOutputs | Gets the total number of parsed outputs that are currently queued for publication, if any. (Inherited from FrameImageParserBase FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
ReadTimeout | Gets or sets a value, in milliseconds, that determines how long the stream will attempt to read before timing out. (Inherited from Stream)
RedundantFramesPerPacket | Gets the number of redundant frames in each packet. (Inherited from FrameParserBaseTFrameIdentifier)
RefreshConfigurationFileOnChange | Gets or sets flag that determines if configuration file is automatically reloaded when it has changed on disk.
RunTime | Gets the total amount of time, in seconds, that the BinaryImageParserBase has been active. (Inherited from BinaryImageParserBase)
Status | Gets current descriptive status of the FrameParser. (Overrides FrameParserBaseTFrameIdentifier Status)
TotalProcessedBuffers | Gets the total number of buffer images processed so far. (Inherited from BinaryImageParserBase)
TrustHeaderLength | Gets or sets flag that determines if header lengths should be trusted over parsed byte count. (Inherited from FrameParserBaseTFrameIdentifier)
UsePhasorDataFileFormat | Gets or sets flag that determines if source data is in the Phasor Data File Format (i.e., a DST file).
ValidateCommandFrameCheckSum | Gets flag based on CheckSumValidationFrameTypes property that determines if command frames are selected for check-sum validation. (Inherited from FrameParserBaseTFrameIdentifier)
ValidateConfigurationFrameCheckSum | Gets flag based on CheckSumValidationFrameTypes property that determines if configuration frames are selected for check-sum validation. (Inherited from FrameParserBaseTFrameIdentifier)
ValidateDataFrameCheckSum | Gets flag based on CheckSumValidationFrameTypes property that determines if data frames are selected for check-sum validation. (Inherited from FrameParserBaseTFrameIdentifier)
ValidateHeaderFrameCheckSum | Gets flag based on CheckSumValidationFrameTypes property that determines if header frames are selected for check-sum validation. (Inherited from FrameParserBaseTFrameIdentifier)
WriteTimeout | Gets or sets a value, in milliseconds, that determines how long the stream will attempt to write before timing out. (Inherited from Stream)

## Methods

BeginRead | Begins an asynchronous read operation. (Consider using ReadAsync(Byte, Int32, Int32) instead.) (Inherited from Stream)
BeginWrite | Begins an asynchronous write operation. (Consider using WriteAsync(Byte, Int32, Int32) instead.) (Inherited from Stream)
Close | Closes the current stream and releases any resources (such as sockets and file handles) associated with the current stream. Instead of calling this method, ensure that the stream is properly disposed. (Inherited from Stream)
CopyTo(Stream) | Reads the bytes from the current stream and writes them to another stream. Both streams positions are advanced by the number of bytes copied. (Inherited from Stream)
CopyTo(Stream, Int32) | Reads the bytes from the current stream and writes them to another stream, using a specified buffer size. Both streams positions are advanced by the number of bytes copied. (Inherited from Stream)
CopyToAsync(Stream) | Asynchronously reads the bytes from the current stream and writes them to another stream. Both streams positions are advanced by the number of bytes copied. (Inherited from Stream)
CopyToAsync(Stream, Int32) | Asynchronously reads the bytes from the current stream and writes them to another stream, using a specified buffer size. Both streams positions are advanced by the number of bytes copied. (Inherited from Stream)
CopyToAsync(Stream, CancellationToken) | Asynchronously reads the bytes from the current stream and writes them to another stream, using a specified cancellation token. Both streams positions are advanced by the number of bytes copied. (Inherited from Stream)
CopyToAsync(Stream, Int32, CancellationToken) | Asynchronously reads the bytes from the current stream and writes them to another stream, using a specified buffer size and cancellation token. Both streams positions are advanced by the number of bytes copied. (Inherited from Stream)
CreateWaitHandle | Allocates a WaitHandle object. (Inherited from Stream) Obsolete.
Dispose | Releases all resources used by the Stream. (Inherited from Stream)
Dispose(Boolean) | Releases the unmanaged resources used by the FrameParser object and optionally releases the managed resources. (Overrides FrameParserBaseTFrameIdentifier Dispose(Boolean))
DisposeAsync | Asynchronously releases the unmanaged resources used by the Stream. (Inherited from Stream)
EndRead | Waits for the pending asynchronous read to complete. (Consider using ReadAsync(Byte, Int32, Int32) instead.) (Inherited from Stream)
EndWrite | Ends an asynchronous write operation. (Consider using WriteAsync(Byte, Int32, Int32) instead.) (Inherited from Stream)
Equals | Determines whether the specified object is equal to the current object. (Inherited from Object)
Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object)
Flush | When overridden in a derived class, clears all buffers for this stream and causes any buffered data to be written to the underlying device. (Inherited from BinaryImageParserBase)
FlushAsync | Asynchronously clears all buffers for this stream and causes any buffered data to be written to the underlying device. (Inherited from Stream)
FlushAsync(CancellationToken) | Asynchronously clears all buffers for this stream, causes any buffered data to be written to the underlying device, and monitors cancellation requests. (Inherited from Stream)
GetHashCode | Serves as the default hash function. (Inherited from Object)
GetLifetimeService | Retrieves the current lifetime service object that controls the lifetime policy for this instance. (Inherited from MarshalByRefObject) Obsolete.
GetType | Gets the Type of the current instance. (Inherited from Object)
InitializeLifetimeService | Obtains a lifetime service object to control the lifetime policy for this instance. (Inherited from MarshalByRefObject) Obsolete.
MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object)
MemberwiseClone(Boolean) | Creates a shallow copy of the current MarshalByRefObject object. (Inherited from MarshalByRefObject)
ObjectInvariant | Provides support for a Contract. (Inherited from Stream) Obsolete.
OnBufferParsed | Raises the BufferParsed event. (Inherited from BinaryImageParserBase)
OnConfigurationChanged | Raises the ConfigurationChanged event. (Inherited from FrameParserBaseTFrameIdentifier)
OnDataDiscarded(Byte[]) | Raises the DataDiscarded event. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
OnDataParsed(T3) | Raises the DataParsed event. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
OnDuplicateTypeHandlerEncountered(Type, T1) | Raises the DuplicateTypeHandlerEncountered event. (Inherited from FrameImageParserBase FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
OnOutputTypeNotFound(T1) | Raises the OutputTypeNotFound event. (Inherited from FrameImageParserBase FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
OnParsingException(Exception) | Raises the ParsingException event. (Inherited from BinaryImageParserBase)
OnReceivedChannelFrame | Casts the parsed IChannelFrame to its specific implementation (i.e., DataFrame or ConfigurationFrame. (Overrides FrameParserBaseTFrameIdentifier OnReceivedChannelFrame(IChannelFrame))
OnReceivedCommandFrame | Raises the ReceivedCommandFrame event. (Inherited from FrameParserBaseTFrameIdentifier)
OnReceivedConfigurationFrame | Raises the ReceivedConfigurationFrame event. (Overrides FrameParserBaseTFrameIdentifier OnReceivedConfigurationFrame(IConfigurationFrame))
OnReceivedDataFrame | Raises the ReceivedDataFrame event. (Inherited from FrameParserBaseTFrameIdentifier)
OnReceivedFrameBufferImage | Raises the ReceivedFrameImage and ReceivedFrameBufferImage event. (Inherited from FrameParserBaseTFrameIdentifier)
OnReceivedHeaderFrame | Raises the ReceivedHeaderFrame event. (Inherited from FrameParserBaseTFrameIdentifier)
OnReceivedUndeterminedFrame | Raises the ReceivedUndeterminedFrame event. (Inherited from FrameParserBaseTFrameIdentifier)
OnSourceDataParsed(T1, IList<T3>) | Raises the SourceDataParsed event. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
OnUnknownFrameTypeEncountered | Handles unknown frame types. (Inherited from FrameParserBaseTFrameIdentifier)
Parse(ISupportBinaryImage) | Not implemented. Consumers should call the Parse(T1, ISupportBinaryImage) method instead to make sure data source ID gets tracked with data buffer. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType) Obsolete.
Parse(T1, ISupportBinaryImage) | Queues the object implementing the ISupportBinaryImage interface, from the specified data source, onto the stream for parsing. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
Parse(T1, Byte[]) | Queues a sequence of bytes, from the specified data source, onto the stream for parsing. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
Parse(T1, Byte[], Int32, Int32) | Queues a sequence of bytes, from the specified data source, onto the stream for parsing. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
ParseCommonHeader | Parses a common header instance that implements ICommonHeader for the output type represented in the binary image. (Overrides ParseCommonHeader(Byte[], Int32, Int32))
ParseFrame(Byte[], Int32, Int32) | Output type specific frame parsing algorithm. (Inherited from FrameImageParserBase FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
PublishParsedOutput(EventArgs<T2>) | AsyncQueue handler used to publish queued outputs. (Inherited from FrameImageParserBase FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
PurgeBuffer(T1) | Clears the internal buffer of unparsed data received from the specified source. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
Read(SpanByte) | When overridden in a derived class, reads a sequence of bytes from the current stream and advances the position within the stream by the number of bytes read. (Inherited from Stream)
Read(Byte[], Int32, Int32) | The parser is designed as a write only stream, so this method is not implemented. (Inherited from BinaryImageParserBase)
ReadAsync(MemoryByte, CancellationToken) | Asynchronously reads a sequence of bytes from the current stream, advances the position within the stream by the number of bytes read, and monitors cancellation requests. (Inherited from Stream)
ReadAsync(Byte, Int32, Int32) | Asynchronously reads a sequence of bytes from the current stream and advances the position within the stream by the number of bytes read. (Inherited from Stream)
ReadAsync(Byte, Int32, Int32, CancellationToken) | Asynchronously reads a sequence of bytes from the current stream, advances the position within the stream by the number of bytes read, and monitors cancellation requests. (Inherited from Stream)
ReadAtLeast | Reads at least a minimum number of bytes from the current stream and advances the position within the stream by the number of bytes read. (Inherited from Stream)
ReadAtLeastAsync | Asynchronously reads at least a minimum number of bytes from the current stream, advances the position within the stream by the number of bytes read, and monitors cancellation requests. (Inherited from Stream)
ReadByte | Reads a byte from the stream and advances the position within the stream by one byte, or returns -1 if at the end of the stream. (Inherited from Stream)
ReadExactly(SpanByte) | Reads bytes from the current stream and advances the position within the stream until the buffer is filled. (Inherited from Stream)
ReadExactly(Byte, Int32, Int32) | Reads count number of bytes from the current stream and advances the position within the stream. (Inherited from Stream)
ReadExactlyAsync(MemoryByte, CancellationToken) | Asynchronously reads bytes from the current stream, advances the position within the stream until the buffer is filled, and monitors cancellation requests. (Inherited from Stream)
ReadExactlyAsync(Byte, Int32, Int32, CancellationToken) | Asynchronously reads count number of bytes from the current stream, advances the position within the stream, and monitors cancellation requests. (Inherited from Stream)
Seek(Int64, SeekOrigin) | The parser is designed as a write only stream, so this method is not implemented. (Inherited from BinaryImageParserBase)
SetLength(Int64) | The parser is designed as a write only stream, so this method is not implemented. (Inherited from BinaryImageParserBase)
Start | Start the data parser. (Overrides Start)
Start(IEnumerable<Type>) | Starts the data parser given the specified type implementations. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
Stop | Stops the streaming data parser. (Inherited from BinaryImageParserBase)
ToString | Returns a string that represents the current object. (Inherited from Object)
Write(ReadOnlySpanByte) | When overridden in a derived class, writes a sequence of bytes to the current stream and advances the current position within this stream by the number of bytes written. (Inherited from Stream)
Write(Byte[], Int32, Int32) | Not implemented. Consumers should call the Parse(T1, Byte[], Int32, Int32) method instead to make sure data source ID gets tracked with data buffer. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType) Obsolete.
WriteAsync(ReadOnlyMemoryByte, CancellationToken) | Asynchronously writes a sequence of bytes to the current stream, advances the current position within this stream by the number of bytes written, and monitors cancellation requests. (Inherited from Stream)
WriteAsync(Byte, Int32, Int32) | Asynchronously writes a sequence of bytes to the current stream and advances the current position within this stream by the number of bytes written. (Inherited from Stream)
WriteAsync(Byte, Int32, Int32, CancellationToken) | Asynchronously writes a sequence of bytes to the current stream, advances the current position within this stream by the number of bytes written, and monitors cancellation requests. (Inherited from Stream)
WriteByte | Writes a byte to the current position in the stream and advances the position within the stream by one byte. (Inherited from Stream)

## Events

BufferParsed | Occurs when buffer parsing has completed. (Inherited from BinaryImageParserBase)
ConfigurationChanged | Occurs when a device sends a notification that its configuration has changed. (Inherited from FrameParserBaseTFrameIdentifier)
DataDiscarded | Occurs when data image fails deserialized due to an exception. (Inherited from BinaryImageParserBase)
DataParsed | Occurs when a data image is deserialized successfully to one of the output types that the data image represents. (Inherited from FrameImageParserBase FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
DuplicateTypeHandlerEncountered | Occurs when more than one type has been defined that can deserialize the specified output type. (Inherited from FrameImageParserBase FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
OutputTypeNotFound | Occurs when matching an output type for deserializing the data image could not be found. (Inherited from FrameImageParserBase FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)
ParsingException | Occurs when an Exception is encountered while attempting to parse data. (Inherited from BinaryImageParserBase)
ReceivedChannelFrame | Occurs when any IChannelFrame has been received. (Inherited from FrameParserBaseTFrameIdentifier)
ReceivedCommandFrame | Occurs when a ICommandFrame has been received. (Inherited from FrameParserBaseTFrameIdentifier)
ReceivedConfigurationFrame | Occurs when a BPA PDCstream ConfigurationFrame has been received.
ReceivedDataFrame | Occurs when a BPA PDCstream DataFrame has been received.
ReceivedFrameBufferImage | Occurs when a frame image has been received, event includes buffer. (Inherited from FrameParserBaseTFrameIdentifier)
ReceivedFrameImage | Occurs when a frame image has been received. (Inherited from FrameParserBaseTFrameIdentifier)
ReceivedHeaderFrame | Occurs when a IHeaderFrame has been received. (Inherited from FrameParserBaseTFrameIdentifier)
ReceivedUndeterminedFrame | Occurs when an undetermined IChannelFrame has been received. (Inherited from FrameParserBaseTFrameIdentifier)
SourceDataParsed | Occurs when a data image is deserialized successfully to one or more of the output types that the data image represents. (Inherited from MultiSourceFrameImageParserBase SourceChannel, FrameType, ISupportSourceIdentifiableFrameImage SourceChannel, FrameType)

## Fields

StreamInitialized | Tracks if data stream has been initialized. (Inherited from BinaryImageParserBase)
UnparsedBuffer | Remaining unparsed buffer from last parsing execution, if any. (Inherited from BinaryImageParserBase)

## See Also

#### Reference

Gemstone.PhasorProtocols.BPAPDCstream Namespace