protected EusbType GetPduType(byte[] data)
{
if (null == data) return EusbType.UNKNOWN;
EusbPdu pdu = new EusbPdu();
if (!PduMarshaler.Unmarshal(data, pdu))
{
return EusbType.UNKNOWN;
}
switch (pdu.Mask)
{
case Mask_Values.STREAM_ID_NONE:
{
return EusbType.RIM_EXCHANGE_CAPABILITY_REQUEST;
}
case Mask_Values.STREAM_ID_PROXY:
{
if (pdu.InterfaceId == (uint)EusbInterfaceId_Values.ADD_VIRTUAL_CHANNEL_OR_DEVICE)
{
EusbRequestPdu requestPdu = new EusbRequestPdu();
if (!PduMarshaler.Unmarshal(data, requestPdu))
{
return EusbType.UNKNOWN;
}
switch ((FunctionId_Values)requestPdu.FunctionId)
{
case FunctionId_Values.ADD_DEVICE:
return EusbType.ADD_DEVICE;
case FunctionId_Values.ADD_VIRTUAL_CHANNEL:
return EusbType.ADD_VIRTUAL_CHANNEL;
default:
break;
}
}
else if (pdu.InterfaceId == (uint)EusbInterfaceId_Values.CHANNEL_CREATED_CLIENT)
{
return EusbType.CHANNEL_CREATED;
}
else
{
EusbRequestPdu requestPdu = new EusbRequestPdu();
if (!PduMarshaler.Unmarshal(data, requestPdu))
{
return EusbType.UNKNOWN;
}
if (requestPdu.InterfaceId == RequestCompletionInterfaceId)
{
switch ((FunctionId_Values)requestPdu.FunctionId)
{
case FunctionId_Values.IOCONTROL_COMPLETION:
return EusbType.IOCONTROL_COMPLETION;
case FunctionId_Values.URB_COMPLETION:
return EusbType.URB_COMPLETION;
case FunctionId_Values.URB_COMPLETION_NO_DATA:
return EusbType.URB_COMPLETION_NO_DATA;
default:
break;
}
}
}
}
break;
case Mask_Values.STREAM_ID_STUB:
{
return EusbType.QUERY_DEVICE_TEXT;
}
default:
return EusbType.UNKNOWN;
}
return EusbType.UNKNOWN;
}
private void SendPdu(EusbPdu pdu, DynamicVirtualChannel channel)
{
Site.Assume.IsNotNull(channel, "DynamicVirtualChannel must be initialized.");
channel.Send(PduMarshaler.Marshal(pdu));
Site.Log.Add(LogEntryKind.Debug, "Sending {0}: \r\n{1}\r\n", pdu.GetType().ToString(), pdu.ToString());
}
private void LogPdu(EusbPdu pdu)
{
Site.Log.Add(LogEntryKind.Debug, "{0}\r\n{1}\r\n", pdu.GetType().ToString(), pdu.ToString());
}
public static void VerifyResponse(EusbPdu request, EusbPdu responseToBeVerified)
{
if (!NeedVerify)
{
return;
}
if (responseToBeVerified is EusbIoControlCompletionPdu)
{
Site.Assert.IsInstanceOfType(
request,
typeof(EusbRegisterRequestCallbackPdu),
"The request must be type of EusbRegisterRequestCallbackPdu"
);
}
}
private uint ParseUInt32IoResult(EusbPdu pdu)
{
Site.Assert.IsInstanceOfType(
pdu,
typeof(EusbIoControlCompletionPdu),
"Must receive an EusbIoControlCompletionPdu message."
);
EusbIoControlCompletionPdu completionPdu = (EusbIoControlCompletionPdu)pdu;
Site.Assert.IsSuccess(
(int)completionPdu.HResult,
"the HResult member of the EusbIoControlCompletionPdu must be a successful code."
);
Site.Assert.AreEqual<uint>(
4,
completionPdu.OutputBufferSize,
"If the operation is successful, the client MUST set the OutputBufferSize field to 0x4."
);
uint res = BitConverter.ToUInt32(completionPdu.OutputBuffer, 0);
return res;
}
private USB_STRING_DESCRIPTOR ParseStringDescriptor(EusbPdu pdu)
{
if (pdu is EusbUrbCompletionNoDataPdu)
{
Site.Log.Add(
LogEntryKind.Debug,
"Unexpectedly received an EusbUrbCompletionNoDataPdu message: {0}",
pdu
);
return null;
}
Site.Assert.IsInstanceOfType(
pdu,
typeof(EusbUrbCompletionPdu),
"Must receive an EusbUrbCompletionPdu message."
);
EusbUrbCompletionPdu completionPdu = (EusbUrbCompletionPdu)pdu;
Site.Assert.IsSuccess(
(int)completionPdu.HResult,
"the HResult member of the EusbUrbCompletionPdu must be a successful code."
);
USB_STRING_DESCRIPTOR res = UsbStructParser.Parse<USB_STRING_DESCRIPTOR>(completionPdu);
Site.Assert.IsNotNull(res, "USB_STRING_DESCRIPTOR cannot be parsed from EusbUrbCompletionPdu");
return res;
}
