/// <summary>
/// Send sqos request and receive sqos response
/// </summary>
/// <param name="request">The sqos request packet</param>
/// <param name="response">The sqos response packet</param>
/// <returns>Status of the sqos response</returns>
public uint SendAndReceiveSqosPacket(SqosRequestPacket request, out SqosResponsePacket response)
{
transport.SendIoctlPayload(CtlCode_Values.FSCTL_STORAGE_QOS_CONTROL, request.ToBytes());
uint smb2Status;
byte[] payload;
transport.ExpectIoctlPayload(out smb2Status, out payload);
if (smb2Status != Smb2Status.STATUS_SUCCESS || payload == null)
{
response = null;
return(smb2Status);
}
response = new SqosResponsePacket();
STORAGE_QOS_CONTROL_Header responseHeader = TypeMarshal.ToStruct <STORAGE_QOS_CONTROL_Header>(payload);
// Parse the header first to decode the ProtocolVersion field.
if (responseHeader.ProtocolVersion == (ushort)SQOS_PROTOCOL_VERSION.Sqos10)
{
response.FromBytes(SqosResponseType.V10, payload);
}
else if (responseHeader.ProtocolVersion == (ushort)SQOS_PROTOCOL_VERSION.Sqos11)
{
response.FromBytes(SqosResponseType.V11, payload);
}
return(smb2Status);
}
/// <summary>
/// Unmarshal the packet from a byte array to the response structure based on the response type.
/// </summary>
public void FromBytes(SqosResponseType type, byte[] payload)
{
if (type == SqosResponseType.V10)
{
STORAGE_QOS_CONTROL_Response_V10 sqosResponseV10 = TypeMarshal.ToStruct <STORAGE_QOS_CONTROL_Response_V10>(payload);
Header = sqosResponseV10.Header;
TimeToLive = sqosResponseV10.TimeToLive;
Status = sqosResponseV10.Status;
MaximumIoRate = sqosResponseV10.MaximumIoRate;
MinimumIoRate = sqosResponseV10.MinimumIoRate;
BaseIoSize = sqosResponseV10.BaseIoSize;
}
else if (type == SqosResponseType.V11)
{
STORAGE_QOS_CONTROL_Response_V11 sqosResponseV11 = TypeMarshal.ToStruct <STORAGE_QOS_CONTROL_Response_V11>(payload);
Header = sqosResponseV11.Header;
TimeToLive = sqosResponseV11.TimeToLive;
Status = sqosResponseV11.Status;
MaximumIoRate = sqosResponseV11.MaximumIoRate;
MinimumIoRate = sqosResponseV11.MinimumIoRate;
MaximumBandwidth = sqosResponseV11.MaximumBandwidth;
BaseIoSize = sqosResponseV11.BaseIoSize;
}
}
/// <summary>
/// Unmarshal the packet from a byte array to the response structure based on the response type.
/// </summary>
public void FromBytes(SqosResponseType type, byte[] payload)
{
if (type == SqosResponseType.V10)
{
STORAGE_QOS_CONTROL_Response_V10 sqosResponseV10 = TypeMarshal.ToStruct<STORAGE_QOS_CONTROL_Response_V10>(payload);
Header = sqosResponseV10.Header;
TimeToLive = sqosResponseV10.TimeToLive;
Status = sqosResponseV10.Status;
MaximumIoRate = sqosResponseV10.MaximumIoRate;
MinimumIoRate = sqosResponseV10.MinimumIoRate;
BaseIoSize = sqosResponseV10.BaseIoSize;
}
else if (type == SqosResponseType.V11)
{
STORAGE_QOS_CONTROL_Response_V11 sqosResponseV11 = TypeMarshal.ToStruct<STORAGE_QOS_CONTROL_Response_V11>(payload);
Header = sqosResponseV11.Header;
TimeToLive = sqosResponseV11.TimeToLive;
Status = sqosResponseV11.Status;
MaximumIoRate = sqosResponseV11.MaximumIoRate;
MinimumIoRate = sqosResponseV11.MinimumIoRate;
MaximumBandwidth = sqosResponseV11.MaximumBandwidth;
BaseIoSize = sqosResponseV11.BaseIoSize;
}
}
