/// <summary>
/// Initializes a new instance of the <see cref="PacketDotNet.Ieee80211.QosDataFrame"/> class.
/// </summary>
/// <param name='bas'>
/// A <see cref="ByteArraySegment"/>
/// </param>
public QosDataFrame(ByteArraySegment bas)
{
log.Debug("");
header = new ByteArraySegment(bas);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
SequenceControl = new SequenceControlField(SequenceControlBytes);
QosControl = QosControlBytes;
ReadAddresses();
header.Length = FrameSize;
var availablePayloadLength = GetAvailablePayloadLength();
if (availablePayloadLength > 0)
{
// if data is protected we have no visibility into it, otherwise it is a LLC packet and we
// should parse it
if (FrameControl.Protected)
{
payloadPacketOrData.TheByteArraySegment = header.EncapsulatedBytes(availablePayloadLength);
}
else
{
payloadPacketOrData.ThePacket = new LogicalLinkControl(header.EncapsulatedBytes());
}
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="byteArraySegment">
/// A <see cref="ByteArraySegment" />
/// </param>
public AuthenticationFrame(ByteArraySegment byteArraySegment)
{
Header = new ByteArraySegment(byteArraySegment);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
DestinationAddress = GetAddress(0);
SourceAddress = GetAddress(1);
BssId = GetAddress(2);
SequenceControl = new SequenceControlField(SequenceControlBytes);
AuthenticationAlgorithmNumber = AuthenticationAlgorithmNumberBytes;
AuthenticationAlgorithmTransactionSequenceNumber = AuthenticationAlgorithmTransactionSequenceNumberBytes;
if (byteArraySegment.Length > AuthenticationFields.InformationElement1Position)
{
//create a segment that just refers to the info element section
var infoElementsSegment = new ByteArraySegment(byteArraySegment.Bytes,
byteArraySegment.Offset + AuthenticationFields.InformationElement1Position,
byteArraySegment.Length - AuthenticationFields.InformationElement1Position);
InformationElements = new InformationElementList(infoElementsSegment);
}
else
{
InformationElements = new InformationElementList();
}
//cant set length until after we have handled the information elements
//as they vary in length
Header.Length = FrameSize;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="byteArraySegment">
/// A <see cref="ByteArraySegment" />
/// </param>
public ReassociationRequestFrame(ByteArraySegment byteArraySegment)
{
Header = new ByteArraySegment(byteArraySegment);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
DestinationAddress = GetAddress(0);
SourceAddress = GetAddress(1);
BssId = GetAddress(2);
SequenceControl = new SequenceControlField(SequenceControlBytes);
CapabilityInformation = new CapabilityInformationField(CapabilityInformationBytes);
ListenInterval = ListenIntervalBytes;
CurrentAccessPointAddress = CurrentAccessPointAddressBytes;
if (byteArraySegment.Length > ReassociationRequestFields.InformationElement1Position)
{
//create a segment that just refers to the info element section
var infoElementsSegment = new ByteArraySegment(byteArraySegment.Bytes,
byteArraySegment.Offset + ReassociationRequestFields.InformationElement1Position,
byteArraySegment.Length - ReassociationRequestFields.InformationElement1Position);
InformationElements = new InformationElementList(infoElementsSegment);
}
else
{
InformationElements = new InformationElementList();
}
//cant set length until after we have handled the information elements
//as they vary in length
Header.Length = FrameSize;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="bas">
/// A <see cref="ByteArraySegment" />
/// </param>
public ProbeResponseFrame(ByteArraySegment bas)
{
Header = new ByteArraySegment(bas);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
DestinationAddress = GetAddress(0);
SourceAddress = GetAddress(1);
BssId = GetAddress(2);
SequenceControl = new SequenceControlField(SequenceControlBytes);
Timestamp = TimestampBytes;
BeaconInterval = BeaconIntervalBytes;
CapabilityInformation = new CapabilityInformationField(CapabilityInformationBytes);
if (bas.Length > ProbeResponseFields.InformationElement1Position)
{
//create a segment that just refers to the info element section
var infoElementsSegment = new ByteArraySegment(bas.Bytes,
bas.Offset + ProbeResponseFields.InformationElement1Position,
bas.Length - ProbeResponseFields.InformationElement1Position);
InformationElements = new InformationElementList(infoElementsSegment);
}
else
{
InformationElements = new InformationElementList();
}
//cant set length until after we have handled the information elements
//as they vary in length
Header.Length = FrameSize;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="bas">
/// A <see cref="ByteArraySegment"/>
/// </param>
public AssociationResponseFrame(ByteArraySegment bas)
{
header = new ByteArraySegment(bas);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
DestinationAddress = GetAddress(0);
SourceAddress = GetAddress(1);
BssId = GetAddress(2);
SequenceControl = new SequenceControlField(SequenceControlBytes);
CapabilityInformation = new CapabilityInformationField(CapabilityInformationBytes);
StatusCode = StatusCodeBytes;
AssociationId = AssociationIdBytes;
if (bas.Length > AssociationResponseFields.InformationElement1Position)
{
//create a segment that just refers to the info element section
ByteArraySegment infoElementsSegment = new ByteArraySegment(bas.Bytes,
(bas.Offset + AssociationResponseFields.InformationElement1Position),
(bas.Length - AssociationResponseFields.InformationElement1Position));
InformationElements = new InformationElementList(infoElementsSegment);
}
else
{
InformationElements = new InformationElementList();
}
//cant set length until after we have handled the information elements
//as they vary in length
header.Length = FrameSize;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="bas">
/// A <see cref="ByteArraySegment"/>
/// </param>
public ProbeRequestFrame(ByteArraySegment bas)
{
header = new ByteArraySegment(bas);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
DestinationAddress = GetAddress(0);
SourceAddress = GetAddress(1);
BssId = GetAddress(2);
SequenceControl = new SequenceControlField(SequenceControlBytes);
if (bas.Length > ProbeRequestFields.InformationElement1Position)
{
//create a segment that just refers to the info element section
ByteArraySegment infoElementsSegment = new ByteArraySegment(bas.Bytes,
(bas.Offset + ProbeRequestFields.InformationElement1Position),
(bas.Length - ProbeRequestFields.InformationElement1Position));
InformationElements = new InformationElementList(infoElementsSegment);
}
else
{
InformationElements = new InformationElementList();
}
//cant set length until after we have handled the information elements
//as they vary in length
header.Length = FrameSize;
}
/// <summary>
/// Initializes a new instance of the <see cref="CtsFrame" /> class.
/// </summary>
/// <param name='receiverAddress'>
/// Receiver address.
/// </param>
public CtsFrame(PhysicalAddress receiverAddress)
{
FrameControl = new FrameControlField();
Duration = new DurationField();
ReceiverAddress = receiverAddress;
FrameControl.SubType = FrameControlField.FrameSubTypes.ControlCts;
}
/// <summary>
/// Initializes a new instance of the <see cref="AcknowledgmentFrame" /> class.
/// </summary>
/// <param name='receiverAddress'>
/// Receiver address.
/// </param>
public AcknowledgmentFrame(PhysicalAddress receiverAddress)
{
FrameControl = new FrameControlField();
Duration = new DurationField();
ReceiverAddress = receiverAddress;
FrameControl.SubType = FrameControlField.FrameSubTypes.ControlAck;
}
/// <summary>
/// Initializes a new instance of the <see cref="NullDataFrame" /> class.
/// </summary>
public NullDataFrame()
{
FrameControl = new FrameControlField();
Duration = new DurationField();
SequenceControl = new SequenceControlField();
AssignDefaultAddresses();
FrameControl.SubType = FrameControlField.FrameSubTypes.DataNullFunctionNoData;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="byteArraySegment">
/// A <see cref="ByteArraySegment" />
/// </param>
public CtsFrame(ByteArraySegment byteArraySegment)
{
Header = new ByteArraySegment(byteArraySegment);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
ReceiverAddress = GetAddress(0);
Header.Length = FrameSize;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="bas">
/// A <see cref="ByteArraySegment"/>
/// </param>
public AckFrame(ByteArraySegment bas)
{
header = new ByteArraySegment(bas);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
ReceiverAddress = GetAddress(0);
header.Length = FrameSize;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="bas">
/// A <see cref="ByteArraySegment" />
/// </param>
public ContentionFreeEndFrame(ByteArraySegment bas)
{
Header = new ByteArraySegment(bas);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
ReceiverAddress = GetAddress(0);
BssId = GetAddress(1);
Header.Length = FrameSize;
}
/// <summary>
/// Initializes a new instance of the <see cref="PacketDotNet.Ieee80211.NullDataFrame"/> class.
/// </summary>
/// <param name='bas'>
/// A <see cref="ByteArraySegment"/>
/// </param>
public NullDataFrame(ByteArraySegment bas)
{
header = new ByteArraySegment(bas);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
SequenceControl = new SequenceControlField(SequenceControlBytes);
ReadAddresses();
header.Length = FrameSize;
}
/// <summary>
/// Initializes a new instance of the <see cref="ContentionFreeEndFrame" /> class.
/// </summary>
/// <param name='receiverAddress'>
/// Receiver address.
/// </param>
/// <param name='bssId'>
/// Bss identifier (MAC Address of the Access Point).
/// </param>
public ContentionFreeEndFrame
(
PhysicalAddress receiverAddress,
PhysicalAddress bssId)
{
FrameControl = new FrameControlField();
Duration = new DurationField();
ReceiverAddress = receiverAddress;
BssId = bssId;
FrameControl.SubType = FrameControlField.FrameSubTypes.ControlCFEnd;
}
/// <summary>
/// Initializes a new instance of the <see cref="QosNullDataFrame" /> class.
/// </summary>
/// <param name="byteArraySegment">
/// A <see cref="ByteArraySegment" />
/// </param>
public QosNullDataFrame(ByteArraySegment byteArraySegment)
{
Header = new ByteArraySegment(byteArraySegment);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
SequenceControl = new SequenceControlField(SequenceControlBytes);
QosControl = QosControlBytes;
ReadAddresses();
Header.Length = FrameSize;
}
/// <summary>
/// Initializes a new instance of the <see cref="BlockAcknowledgmentRequestFrame" /> class.
/// </summary>
/// <param name='transmitterAddress'>
/// Transmitter address.
/// </param>
/// <param name='receiverAddress'>
/// Receiver address.
/// </param>
public BlockAcknowledgmentRequestFrame
(
PhysicalAddress transmitterAddress,
PhysicalAddress receiverAddress)
{
FrameControl = new FrameControlField();
Duration = new DurationField();
ReceiverAddress = receiverAddress;
TransmitterAddress = transmitterAddress;
BlockAcknowledgmentControl = new BlockAcknowledgmentControlField();
FrameControl.SubType = FrameControlField.FrameSubTypes.ControlBlockAcknowledgmentRequest;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="byteArraySegment">
/// A <see cref="ByteArraySegment" />
/// </param>
public BlockAcknowledgmentRequestFrame(ByteArraySegment byteArraySegment)
{
Header = new ByteArraySegment(byteArraySegment);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
ReceiverAddress = GetAddress(0);
TransmitterAddress = GetAddress(1);
BlockAcknowledgmentControl = new BlockAcknowledgmentControlField(BlockAckRequestControlBytes);
BlockAckStartingSequenceControl = BlockAckStartingSequenceControlBytes;
Header.Length = FrameSize;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="byteArraySegment">
/// A <see cref="ByteArraySegment" />
/// </param>
public DeauthenticationFrame(ByteArraySegment byteArraySegment)
{
Header = new ByteArraySegment(byteArraySegment);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
DestinationAddress = GetAddress(0);
SourceAddress = GetAddress(1);
BssId = GetAddress(2);
SequenceControl = new SequenceControlField(SequenceControlBytes);
Reason = ReasonBytes;
Header.Length = FrameSize;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="bas">
/// A <see cref="ByteArraySegment"/>
/// </param>
public DisassociationFrame(ByteArraySegment bas)
{
header = new ByteArraySegment(bas);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
DestinationAddress = GetAddress(0);
SourceAddress = GetAddress(1);
BssId = GetAddress(2);
SequenceControl = new SequenceControlField(SequenceControlBytes);
Reason = ReasonBytes;
header.Length = FrameSize;
}
/// <summary>
/// Initializes a new instance of the <see cref="BlockAcknowledgmentFrame" /> class.
/// </summary>
/// <param name='transmitterAddress'>
/// Transmitter address.
/// </param>
/// <param name='receiverAddress'>
/// Receiver address.
/// </param>
/// <param name='blockAckBitmap'>
/// The Block ack bitmap signalling the receive status of the MSDUs.
/// </param>
public BlockAcknowledgmentFrame
(
PhysicalAddress transmitterAddress,
PhysicalAddress receiverAddress,
byte[] blockAckBitmap)
{
FrameControl = new FrameControlField();
Duration = new DurationField();
ReceiverAddress = receiverAddress;
TransmitterAddress = transmitterAddress;
BlockAcknowledgmentControl = new BlockAcknowledgmentControlField();
BlockAckBitmap = blockAckBitmap;
FrameControl.SubType = FrameControlField.FrameSubTypes.ControlBlockAcknowledgment;
}
/// <summary>
/// Initializes a new instance of the <see cref="DisassociationFrame" /> class.
/// </summary>
/// <param name='sourceAddress'>
/// Source address.
/// </param>
/// <param name='destinationAddress'>
/// Destination address.
/// </param>
/// <param name='bssId'>
/// Bss identifier (MAC Address of the Access Point).
/// </param>
public DisassociationFrame
(
PhysicalAddress sourceAddress,
PhysicalAddress destinationAddress,
PhysicalAddress bssId)
{
FrameControl = new FrameControlField();
Duration = new DurationField();
DestinationAddress = destinationAddress;
SourceAddress = sourceAddress;
BssId = bssId;
SequenceControl = new SequenceControlField();
FrameControl.SubType = FrameControlField.FrameSubTypes.ManagementDisassociation;
}
/// <summary>
/// Initializes a new instance of the <see cref="AuthenticationFrame" /> class.
/// </summary>
/// <param name='sourceAddress'>
/// Source address.
/// </param>
/// <param name='destinationAddress'>
/// Destination address.
/// </param>
/// <param name='bssId'>
/// Bss identifier (MAC Address of Access Point).
/// </param>
/// <param name='informationElements'>
/// Information elements.
/// </param>
public AuthenticationFrame
(
PhysicalAddress sourceAddress,
PhysicalAddress destinationAddress,
PhysicalAddress bssId,
InformationElementList informationElements)
{
FrameControl = new FrameControlField();
Duration = new DurationField();
DestinationAddress = destinationAddress;
SourceAddress = sourceAddress;
BssId = bssId;
SequenceControl = new SequenceControlField();
InformationElements = new InformationElementList(informationElements);
FrameControl.SubType = FrameControlField.FrameSubTypes.ManagementAuthentication;
}
/// <summary>
/// Initializes a new instance of the <see cref="PacketDotNet.Ieee80211.DataDataFrame"/> class.
/// </summary>
/// <param name='bas'>
/// Bas.
/// </param>
public DataDataFrame(ByteArraySegment bas)
{
header = new ByteArraySegment(bas);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
SequenceControl = new SequenceControlField(SequenceControlBytes);
ReadAddresses(); //must do this after reading FrameControl
header.Length = FrameSize;
var availablePayloadLength = GetAvailablePayloadLength();
if (availablePayloadLength > 0)
{
payloadPacketOrData.TheByteArraySegment = header.EncapsulatedBytes(availablePayloadLength);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DataDataFrame" /> class.
/// </summary>
/// <param name="byteArraySegment">
/// byteArraySegment.
/// </param>
public DataDataFrame(ByteArraySegment byteArraySegment)
{
Header = new ByteArraySegment(byteArraySegment);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
SequenceControl = new SequenceControlField(SequenceControlBytes);
ReadAddresses(); //must do this after reading FrameControl
Header.Length = FrameSize;
var availablePayloadLength = GetAvailablePayloadLength();
if (availablePayloadLength > 0)
{
PayloadPacketOrData.Value.ByteArraySegment = Header.NextSegment(availablePayloadLength);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="BeaconFrame" /> class.
/// </summary>
/// <param name='sourceAddress'>
/// Source address.
/// </param>
/// <param name='bssId'>
/// Bss identifier (MAC Address of the Access Point).
/// </param>
/// <param name='informationElements'>
/// Information elements.
/// </param>
public BeaconFrame
(
PhysicalAddress sourceAddress,
PhysicalAddress bssId,
InformationElementList informationElements)
{
FrameControl = new FrameControlField();
Duration = new DurationField();
SequenceControl = new SequenceControlField();
CapabilityInformation = new CapabilityInformationField();
InformationElements = new InformationElementList(informationElements);
FrameControl.SubType = FrameControlField.FrameSubTypes.ManagementBeacon;
SourceAddress = sourceAddress;
DestinationAddress = PhysicalAddress.Parse("FF-FF-FF-FF-FF-FF");
BssId = bssId;
BeaconInterval = 100;
}
/// <summary>
/// Initializes a new instance of the <see cref="ProbeResponseFrame" /> class.
/// </summary>
/// <param name='sourceAddress'>
/// Source address.
/// </param>
/// <param name='destinationAddress'>
/// Destination address.
/// </param>
/// <param name='bssId'>
/// Bss identifier (Mac address of the access point).
/// </param>
/// <param name='informationElements'>
/// Information elements.
/// </param>
public ProbeResponseFrame
(
PhysicalAddress sourceAddress,
PhysicalAddress destinationAddress,
PhysicalAddress bssId,
InformationElementList informationElements)
{
FrameControl = new FrameControlField();
Duration = new DurationField();
DestinationAddress = destinationAddress;
SourceAddress = sourceAddress;
BssId = bssId;
SequenceControl = new SequenceControlField();
CapabilityInformation = new CapabilityInformationField();
InformationElements = new InformationElementList(informationElements);
FrameControl.SubType = FrameControlField.FrameSubTypes.ManagementProbeResponse;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="bas">
/// A <see cref="ByteArraySegment"/>
/// </param>
public ActionFrame(ByteArraySegment bas)
{
header = new ByteArraySegment(bas);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
DestinationAddress = GetAddress(0);
SourceAddress = GetAddress(1);
BssId = GetAddress(2);
SequenceControl = new SequenceControlField(SequenceControlBytes);
header.Length = FrameSize;
var availablePayloadLength = GetAvailablePayloadLength();
if (availablePayloadLength > 0)
{
payloadPacketOrData.TheByteArraySegment = header.EncapsulatedBytes(availablePayloadLength);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="byteArraySegment">
/// A <see cref="ByteArraySegment" />
/// </param>
public ActionFrame(ByteArraySegment byteArraySegment)
{
Header = new ByteArraySegment(byteArraySegment);
FrameControl = new FrameControlField(FrameControlBytes);
Duration = new DurationField(DurationBytes);
DestinationAddress = GetAddress(0);
SourceAddress = GetAddress(1);
BssId = GetAddress(2);
SequenceControl = new SequenceControlField(SequenceControlBytes);
Header.Length = FrameSize;
var availablePayloadLength = GetAvailablePayloadLength();
if (availablePayloadLength > 0)
{
PayloadPacketOrData.Value.ByteArraySegment = Header.NextSegment(availablePayloadLength);
}
}
/// <summary>
/// Parses the <see cref="PacketDotNet.Utils.ByteArraySegment"/> into a MacFrame.
/// </summary>
/// <returns>
/// The parsed MacFrame or null if it could not be parsed.
/// </returns>
/// <param name='bas'>
/// The bytes of the packet. bas.Offset should point to the first byte in the mac frame.
/// </param>
/// <remarks>If the provided bytes contain the FCS then call <see cref="MacFrame.ParsePacketWithFcs"/> instead. The presence of the
/// FCS is usually determined by configuration of the device used to capture the packets.</remarks>
public static MacFrame ParsePacket(ByteArraySegment bas)
{
if (bas.Length < MacFields.FrameControlLength)
{
//there isn't enough data to even try and work out what type of packet it is
return(null);
}
//this is a bit ugly as we will end up parsing the framecontrol field twice, once here and once
//inside the packet constructor. Could create the framecontrol and pass it to the packet but I think that is equally ugly
FrameControlField frameControl = new FrameControlField(
EndianBitConverter.Big.ToUInt16(bas.Bytes, bas.Offset));
MacFrame macFrame = null;
log.DebugFormat("SubType {0}", frameControl.SubType);
switch (frameControl.SubType)
{
case FrameControlField.FrameSubTypes.ManagementAssociationRequest:
{
macFrame = new AssociationRequestFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ManagementAssociationResponse:
{
macFrame = new AssociationResponseFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ManagementReassociationRequest:
{
macFrame = new ReassociationRequestFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ManagementReassociationResponse:
{
macFrame = new AssociationResponseFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ManagementProbeRequest:
{
macFrame = new ProbeRequestFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ManagementProbeResponse:
{
macFrame = new ProbeResponseFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ManagementReserved0:
break; //TODO
case FrameControlField.FrameSubTypes.ManagementReserved1:
break; //TODO
case FrameControlField.FrameSubTypes.ManagementBeacon:
{
macFrame = new BeaconFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ManagementATIM:
break; //TODO
case FrameControlField.FrameSubTypes.ManagementDisassociation:
{
macFrame = new DisassociationFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ManagementAuthentication:
{
macFrame = new AuthenticationFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ManagementDeauthentication:
{
macFrame = new DeauthenticationFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ManagementAction:
{
macFrame = new ActionFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ManagementReserved3:
break; //TODO
case FrameControlField.FrameSubTypes.ControlBlockAcknowledgmentRequest:
{
macFrame = new BlockAcknowledgmentRequestFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ControlBlockAcknowledgment:
{
macFrame = new BlockAcknowledgmentFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ControlPSPoll:
break; //TODO
case FrameControlField.FrameSubTypes.ControlRTS:
{
macFrame = new RtsFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ControlCTS:
{
macFrame = new CtsFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ControlACK:
{
macFrame = new AckFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ControlCFEnd:
{
macFrame = new ContentionFreeEndFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.ControlCFEndCFACK:
break; //TODO
case FrameControlField.FrameSubTypes.Data:
case FrameControlField.FrameSubTypes.DataCFACK:
case FrameControlField.FrameSubTypes.DataCFPoll:
case FrameControlField.FrameSubTypes.DataCFAckCFPoll:
{
macFrame = new DataDataFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.DataNullFunctionNoData:
case FrameControlField.FrameSubTypes.DataCFAckNoData:
case FrameControlField.FrameSubTypes.DataCFPollNoData:
case FrameControlField.FrameSubTypes.DataCFAckCFPollNoData:
{
macFrame = new NullDataFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.QosData:
case FrameControlField.FrameSubTypes.QosDataAndCFAck:
case FrameControlField.FrameSubTypes.QosDataAndCFPoll:
case FrameControlField.FrameSubTypes.QosDataAndCFAckAndCFPoll:
{
macFrame = new QosDataFrame(bas);
break;
}
case FrameControlField.FrameSubTypes.QosNullData:
case FrameControlField.FrameSubTypes.QosCFAck:
case FrameControlField.FrameSubTypes.QosCFPoll:
case FrameControlField.FrameSubTypes.QosCFAckAndCFPoll:
{
macFrame = new QosNullDataFrame(bas);
break;
}
default:
//this is an unsupported (and unknown) packet type
break;
}
return(macFrame);
}
