125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
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//////////////////////////////////////////////////////////
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//
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// Copyright (c) 2001 Microsoft Corporation
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//
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// Module Name:
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// send.cpp
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//
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// Abstract:
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// This module contains code which implements send
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// commands from the dll
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//
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//////////////////////////////////////////////////////////
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#include "stdafx.h"
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///////////////////////////////////////////////////////////////////////
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// Public functions
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///////////////////////////////////////////////////////////////////////
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// --------------------------------------------------------------------
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//
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// Function: DoSendDatagram
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//
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// Arguments: TdiHandle -- handle of address object
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// pTransportAddress -- TA to send data to
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// pucBuffer -- data buffer to send
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// ulBufferLength -- length of data buffer
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//
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// Returns: none
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//
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// Descript: This function causes the driver to send a datagram
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//
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//---------------------------------------------------------------------
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VOID
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DoSendDatagram(ULONG ulTdiHandle,
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PTRANSPORT_ADDRESS pTransportAddress,
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PUCHAR pucBuffer,
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ULONG ulBufferLength)
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{
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RECEIVE_BUFFER ReceiveBuffer; // return info from command
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SEND_BUFFER SendBuffer; // arguments for command
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//
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// set up arguments
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//
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SendBuffer.TdiHandle = ulTdiHandle;
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memcpy(&SendBuffer.COMMAND_ARGS.SendArgs.TransAddr,
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pTransportAddress,
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(FIELD_OFFSET(TRANSPORT_ADDRESS, Address)
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+ FIELD_OFFSET(TA_ADDRESS, Address)
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+ pTransportAddress->Address[0].AddressLength));
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SendBuffer.COMMAND_ARGS.SendArgs.ulBufferLength = ulBufferLength;
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SendBuffer.COMMAND_ARGS.SendArgs.pucUserModeBuffer = pucBuffer;
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//
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// call the driver
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//
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NTSTATUS lStatus = TdiLibDeviceIO(ulSENDDATAGRAM,
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&SendBuffer,
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&ReceiveBuffer);
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if (lStatus != STATUS_SUCCESS)
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{
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_tprintf(TEXT("DoSendDatagram: failure, status = %s\n"), TdiLibStatusMessage(lStatus));
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}
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}
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// --------------------------------------------------------------------
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//
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// Function: DoSend
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//
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// Arguments: TdiHandle -- handle of endpoint
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// pucBuffer -- data buffer to send
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// ulBufferLength -- length of data buffer
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// ulSendFlags -- send options
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//
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// Returns: none
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//
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// Descript: This function causes the driver to send data over
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// a connection
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//
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//---------------------------------------------------------------------
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VOID
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DoSend(ULONG ulTdiHandle,
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PUCHAR pucBuffer,
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ULONG ulBufferLength,
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ULONG ulSendFlags)
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{
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RECEIVE_BUFFER ReceiveBuffer; // return info from command
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SEND_BUFFER SendBuffer; // arguments for command
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//
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// set up arguments
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//
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SendBuffer.TdiHandle = ulTdiHandle;
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SendBuffer.COMMAND_ARGS.SendArgs.ulFlags = ulSendFlags;
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SendBuffer.COMMAND_ARGS.SendArgs.ulBufferLength = ulBufferLength;
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SendBuffer.COMMAND_ARGS.SendArgs.pucUserModeBuffer = pucBuffer;
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//
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// call the driver
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//
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NTSTATUS lStatus = TdiLibDeviceIO(ulSEND,
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&SendBuffer,
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&ReceiveBuffer);
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if (lStatus != STATUS_SUCCESS)
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{
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_tprintf(TEXT("DoSend: failure, status = %s\n"), TdiLibStatusMessage(lStatus));
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}
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}
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////////////////////////////////////////////////////////////////////
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// end of file send.cpp
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////////////////////////////////////////////////////////////////////
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