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175 lines
2.5 KiB
175 lines
2.5 KiB
/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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rawchan.cpp
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Abstract:
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This module provides the raw channel implementation.
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Author:
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Brian Guarraci (briangu), 2001
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Revision History:
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--*/
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#include <emsapip.h>
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#include <emsapi.h>
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#include <ntddsac.h>
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EMSRawChannel::EMSRawChannel(
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VOID
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)
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/*++
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Routine Description:
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Constructor
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Arguments:
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None
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Return Value:
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N/A
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--*/
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{
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}
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EMSRawChannel::~EMSRawChannel()
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/*++
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Routine Description:
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Desctructor
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Arguments:
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N/A
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Return Value:
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N/A
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--*/
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{
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}
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EMSRawChannel*
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EMSRawChannel::Construct(
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IN SAC_CHANNEL_OPEN_ATTRIBUTES ChannelAttributes
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)
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/*++
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Routine Description:
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Create a new channel object
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Arguments:
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EMSRawChannelName - The name of the newly created channel
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Return Value:
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Status
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TRUE --> pHandle is valid
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--*/
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{
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EMSRawChannel *Channel;
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//
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// Force the appropriate channel attributes
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//
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ChannelAttributes.Type = ChannelTypeRaw;
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//
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// Attempt to open the channel
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//
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Channel= (EMSRawChannel*) EMSChannel::Construct(
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ChannelAttributes
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);
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return Channel;
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}
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BOOL
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EMSRawChannel::Write(
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IN PCBYTE Buffer,
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IN ULONG BufferSize
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)
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/*++
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Routine Description:
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Write the given buffer to the specified SAC Channel
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Arguments:
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String - Unicode string to write
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Return Value:
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Status
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TRUE --> the buffer was sent
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--*/
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{
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return SacChannelRawWrite(
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GetEMSChannelHandle(),
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Buffer,
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BufferSize
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);
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}
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BOOL
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EMSRawChannel::Read(
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OUT PBYTE Buffer,
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IN ULONG BufferSize,
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OUT PULONG ByteCount
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)
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/*++
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Routine Description:
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This routine reads data from the channel specified.
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Arguments:
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Buffer - destination buffer
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BufferSize - size of the destination buffer (bytes)
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ByteCount - the actual # of byte read
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Return Value:
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Status
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TRUE --> the buffer was sent
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--*/
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{
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return SacChannelRawRead(
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GetEMSChannelHandle(),
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Buffer,
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BufferSize,
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ByteCount
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);
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}
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