BaseStation.ItemDescriber Namespace
CAS.CommServer.CommonBus Namespace
CAS.DataPorter.Configurator Namespace
CAS.Lib.CommonBus Namespace
CAS.Lib.CommonBus.ApplicationLayer Namespace
CAS.Lib.CommonBus.CommunicationLayer Namespace
CAS.Lib.CommonBus.CommunicationLayer.Generic Namespace
CAS.Lib.CommonBus.CommunicationLayer.Net Namespace
CAS.Lib.CommonBus.CommunicationLayer.NULL Namespace
CAS.Lib.CommonBus.CommunicationLayer.RS Namespace
CAS.Lib.CommonBus.Components Namespace
CAS.Lib.CommonBus.Management Namespace
CAS.Lib.CommonBus.Xml Namespace
CAS.Lib.DeviceSimulator Namespace
CAS.NetworkConfigLib Namespace
Object-Oriented Internet Process-Observer

IApplicationLayerSniffer..::..ReadData Method

Interface of the passive reader station, i.e. responsible for reading master station commands and slave station responses and gathering the data from coupled pairs.

Namespace:  CAS.Lib.CommonBus.ApplicationLayer
Assembly:  CommServer.CommonBus (in CommServer.CommonBus.dll)

Syntax

AL_ReadData_Result ReadData(
	out IBlockDescription pBlock,
	out IReadValue pData
)
Function ReadData ( _
	<OutAttribute> ByRef pBlock As IBlockDescription, _
	<OutAttribute> ByRef pData As IReadValue _
) As AL_ReadData_Result
AL_ReadData_Result^ ReadData(
	[OutAttribute] IBlockDescription^% pBlock, 
	[OutAttribute] IReadValue^% pData
)

Parameters

pBlock
Type: CAS.Lib.CommonBus.ApplicationLayer..::..IBlockDescription%
Data block description.
pData
Type: CAS.Lib.CommonBus.ApplicationLayer..::..IReadValue%
Message containing obtained data.

Return Value

ALRes_Success: Operation accomplished successfully ALRes_DatTransferErrr: Data transfer is imposible because of a communication error – loss of communication with a station ALRes_DisInd: Disconnect indication – connection has been shut down remotely or lost because of communication error. Data is unavailable

See Also

IApplicationLayerSniffer Interface
CAS.Lib.CommonBus.ApplicationLayer Namespace