/// <summary>
/// Clones the specified <see cref="source" />.
/// </summary>
/// <param name="source">The request.</param>
/// <returns><see cref="Native.NdisApi.ETH_M_REQUEST_U" />.</returns>
public unsafe Native.NdisApi.ETH_M_REQUEST_U *CloneUnsafeEthMRequest(ref Native.NdisApi.ETH_M_REQUEST_U * source)
{
var destination = CreateUnsafeEthMRequest(source->dwPacketsNumber);
CloneUnsafeEthMRequest(ref source, ref destination);
return(destination);
}
/// <summary>
/// Zeroes the specified request.
/// </summary>
/// <param name="request">The request.</param>
public unsafe void ZeroUnsafeEthMRequest(ref Native.NdisApi.ETH_M_REQUEST_U *request)
{
request->hAdapterHandle = IntPtr.Zero;
var packets = request->GetPackets();
for (int i = 0; i < request->dwPacketsNumber; i++)
{
Kernel32.ZeroMemory(packets[i]._buffer, Native.NdisApi.IntermediateBufferSize);
}
}
/// <summary>
/// Clones the specified request.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="destination">The destination.</param>
public unsafe void CloneUnsafeEthMRequest(ref Native.NdisApi.ETH_M_REQUEST_U *source, ref Native.NdisApi.ETH_M_REQUEST_U *destination)
{
destination->hAdapterHandle = source->hAdapterHandle;
destination->dwPacketsSuccess = source->dwPacketsSuccess;
destination->dwPacketsNumber = source->dwPacketsNumber;
var requestPackets = source->GetPackets();
var nextPackets = destination->GetPackets();
for (int i = 0; i < source->dwPacketsSuccess; i++)
{
Kernel32.CopyMemory(nextPackets[i]._buffer, requestPackets[i]._buffer, (uint)Native.NdisApi.IntermediateBufferSize);
}
}
/// <summary>
/// Sends the packets to MSTCP or adapter.
/// </summary>
/// <param name="ethMRequest">The ether multiple request.</param>
/// <param name="packets">The optional packets.</param>
/// <returns><c>true</c> if successful, <c>false</c> otherwise.</returns>
public unsafe bool SendPackets(Native.NdisApi.ETH_M_REQUEST_U *ethMRequest, Native.NdisApi.NDISRD_ETH_Packet[] packets = null)
{
lock (_lock)
{
_ethPacketsToAdapter.dwPacketsSuccess = 0;
_ethPacketsToMstcp.dwPacketsSuccess = 0;
_ethPacketsToAdapter.dwPacketsNumber = 0;
_ethPacketsToMstcp.dwPacketsNumber = 0;
_ethPacketsToAdapter.hAdapterHandle = ethMRequest->hAdapterHandle;
_ethPacketsToMstcp.hAdapterHandle = ethMRequest->hAdapterHandle;
packets = packets ?? ethMRequest->GetPackets();
foreach (var packet in packets)
{
var buffer = (Native.NdisApi.INTERMEDIATE_BUFFER_U *)packet._buffer;
if (buffer->m_dwDeviceFlags == Native.NdisApi.PACKET_FLAG.PACKET_FLAG_ON_SEND)
{
_ethPacketsToAdapter._ethPacket[_ethPacketsToAdapter.dwPacketsNumber++]._buffer = packet._buffer;
}
else
{
_ethPacketsToMstcp._ethPacket[_ethPacketsToMstcp.dwPacketsNumber++]._buffer = packet._buffer;
}
}
var success = true;
if (_ethPacketsToMstcp.dwPacketsNumber > 0)
{
success = SendPacketsToMstcp(ref _ethPacketsToMstcp);
}
if (_ethPacketsToAdapter.dwPacketsNumber > 0)
{
success = SendPacketsToAdapter(ref _ethPacketsToAdapter) && success;
}
return(success);
}
}
/// <summary>
/// Disposes the specified object.
/// </summary>
/// <param name="obj">The object.</param>
public unsafe void DisposeObject(Native.NdisApi.ETH_M_REQUEST_U *obj)
{
_pinnedManagedArrayAllocator.FreeArray((IntPtr)obj);
}
/// <summary>
/// Sends the packets to MSTCP.
/// </summary>
/// <param name="ethMRequest">The ether multiple request.</param>
/// <returns><c>true</c> if successful, <c>false</c> otherwise.</returns>
public unsafe bool SendPacketsToMstcp(Native.NdisApi.ETH_M_REQUEST_U *ethMRequest)
{
return(Native.NdisApi.SendPacketsToMstcp(Handle, ethMRequest));
}
/// <summary>
/// Reads the packets to the specified <see cref="ethMRequest" />.
/// </summary>
/// <param name="ethMRequest">The ether multiple request.</param>
/// <remarks>The adapter handle needs to be set.</remarks>
/// <returns><c>true</c> if successful, <c>false</c> otherwise.</returns>
public unsafe bool ReadPackets(Native.NdisApi.ETH_M_REQUEST_U *ethMRequest)
{
return(Native.NdisApi.ReadPackets(Handle, ethMRequest));
}
