/// <summary>
/// Encode Network Message Header
/// </summary>
/// <param name="encoder"></param>
private void EncodeNetworkMessageHeader(BinaryEncoder encoder)
{
// byte[0..3] UADPVersion value 1 (for now)
// byte[4..7] UADPFlags
encoder.WriteByte("VersionFlags", (byte)(UADPVersion | (byte)UADPFlags));
if ((UADPFlags & UADPFlagsEncodingMask.ExtendedFlags1) != 0)
{
encoder.WriteByte("ExtendedFlags1", (byte)ExtendedFlags1);
}
if ((ExtendedFlags1 & ExtendedFlags1EncodingMask.ExtendedFlags2) != 0)
{
encoder.WriteByte("ExtendedFlags2", (byte)ExtendedFlags2);
}
if ((NetworkMessageContentMask & UadpNetworkMessageContentMask.PublisherId) != 0)
{
PublisherIdTypeEncodingMask publisherIdType = (PublisherIdTypeEncodingMask)((byte)ExtendedFlags1 & kPublishedIdTypeUsedBits);
switch (publisherIdType)
{
case PublisherIdTypeEncodingMask.Byte:
encoder.WriteByte("PublisherId", Convert.ToByte(PublisherId));
break;
case PublisherIdTypeEncodingMask.UInt16:
encoder.WriteUInt16("PublisherId", Convert.ToUInt16(PublisherId));
break;
case PublisherIdTypeEncodingMask.UInt32:
encoder.WriteUInt32("PublisherId", Convert.ToUInt32(PublisherId));
break;
case PublisherIdTypeEncodingMask.UInt64:
encoder.WriteUInt64("PublisherId", Convert.ToUInt64(PublisherId));
break;
case PublisherIdTypeEncodingMask.String:
encoder.WriteString("PublisherId", Convert.ToString(PublisherId));
break;
default:
// Reserved - no type provided
break;
}
}
if ((NetworkMessageContentMask & UadpNetworkMessageContentMask.DataSetClassId) != 0)
{
encoder.WriteGuid("DataSetClassId", DataSetClassId);
}
}
/// <summary>
/// Encode Group Message Header
/// </summary>
/// <param name="encoder"></param>
private void EncodeGroupMessageHeader(BinaryEncoder encoder)
{
if ((NetworkMessageContentMask & (UadpNetworkMessageContentMask.GroupHeader |
UadpNetworkMessageContentMask.WriterGroupId |
UadpNetworkMessageContentMask.GroupVersion |
UadpNetworkMessageContentMask.NetworkMessageNumber |
UadpNetworkMessageContentMask.SequenceNumber)) != UadpNetworkMessageContentMask.None)
{
encoder.WriteByte("GroupFlags", (byte)GroupFlags);
}
if ((NetworkMessageContentMask & UadpNetworkMessageContentMask.WriterGroupId) != 0)
{
encoder.WriteUInt16("WriterGroupId", WriterGroupId);
}
if ((NetworkMessageContentMask & UadpNetworkMessageContentMask.GroupVersion) != 0)
{
encoder.WriteUInt32("GroupVersion", GroupVersion);
}
if ((NetworkMessageContentMask & UadpNetworkMessageContentMask.NetworkMessageNumber) != 0)
{
encoder.WriteUInt16("NetworkMessageNumber", NetworkMessageNumber);
}
if ((NetworkMessageContentMask & UadpNetworkMessageContentMask.SequenceNumber) != 0)
{
encoder.WriteUInt16("SequenceNumber", SequenceNumber);
}
}
/// <summary>
/// Encode security header
/// </summary>
/// <param name="encoder"></param>
private void EncodeSecurityHeader(BinaryEncoder encoder)
{
if ((ExtendedFlags1 & ExtendedFlags1EncodingMask.Security) != 0)
{
encoder.WriteByte("SecurityFlags", (byte)SecurityFlags);
encoder.WriteUInt32("SecurityTokenId", SecurityTokenId);
encoder.WriteByte("NonceLength", NonceLength);
MessageNonce = new byte[NonceLength];
encoder.WriteByteArray("MessageNonce", MessageNonce);
if ((SecurityFlags & SecurityFlagsEncodingMask.SecurityFooter) != 0)
{
encoder.WriteUInt16("SecurityFooterSize", SecurityFooterSize);
}
}
}
/// <summary>
/// Saves object in an binary stream.
/// </summary>
/// <param name="context">The context user.</param>
/// <param name="encoder">The encoder to write to.</param>
/// <param name="attributesToSave">The masks indicating what attributes to write.</param>
public override void Save(ISystemContext context, BinaryEncoder encoder, AttributesToSave attributesToSave)
{
base.Save(context, encoder, attributesToSave);
if ((attributesToSave & AttributesToSave.EventNotifier) != 0)
{
encoder.WriteByte(null, m_eventNotifier);
}
}
/// <summary>
/// Encode Payload Header
/// </summary>
/// <param name="encoder"></param>
private void EncodePayloadHeader(BinaryEncoder encoder)
{
if ((NetworkMessageContentMask & UadpNetworkMessageContentMask.PayloadHeader) != 0)
{
encoder.WriteByte("Count", (byte)DataSetMessages.Count);
// Collect DataSetSetMessages headers
for (int index = 0; index < DataSetMessages.Count; index++)
{
UadpDataSetMessage uadpDataSetMessage = DataSetMessages[index] as UadpDataSetMessage;
if (uadpDataSetMessage != null && uadpDataSetMessage.DataSet != null)
{
encoder.WriteUInt16("DataSetWriterId", uadpDataSetMessage.DataSetWriterId);
}
}
}
}
/// <summary>
/// Secures the message using the security token.
/// </summary>
protected BufferCollection WriteSymmetricMessage(
uint messageType,
uint requestId,
ChannelToken token,
object messageBody,
bool isRequest,
out bool limitsExceeded)
{
limitsExceeded = false;
bool success = false;
BufferCollection chunksToProcess = null;
try
{
// calculate chunk sizes.
int maxCipherTextSize = SendBufferSize - TcpMessageLimits.SymmetricHeaderSize;
int maxCipherBlocks = maxCipherTextSize / EncryptionBlockSize;
int maxPlainTextSize = maxCipherBlocks * EncryptionBlockSize;
int maxPayloadSize = maxPlainTextSize - SymmetricSignatureSize - 1 - TcpMessageLimits.SequenceHeaderSize;
int headerSize = TcpMessageLimits.SymmetricHeaderSize + TcpMessageLimits.SequenceHeaderSize;
// write the body to stream.
ArraySegmentStream ostrm = new ArraySegmentStream(
BufferManager,
SendBufferSize,
headerSize,
maxPayloadSize);
// check for encodeable body.
IEncodeable encodeable = messageBody as IEncodeable;
if (encodeable != null)
{
// debug code used to verify that message aborts are handled correctly.
// int maxMessageSize = Quotas.MessageContext.MaxMessageSize;
// Quotas.MessageContext.MaxMessageSize = Int32.MaxValue;
BinaryEncoder.EncodeMessage(encodeable, ostrm, Quotas.MessageContext);
// Quotas.MessageContext.MaxMessageSize = maxMessageSize;
}
// check for raw bytes.
ArraySegment <byte>?rawBytes = messageBody as ArraySegment <byte>?;
if (rawBytes != null)
{
BinaryEncoder encoder = new BinaryEncoder(ostrm, Quotas.MessageContext);
encoder.WriteRawBytes(rawBytes.Value.Array, rawBytes.Value.Offset, rawBytes.Value.Count);
encoder.Close();
}
chunksToProcess = ostrm.GetBuffers("WriteSymmetricMessage");
// ensure there is at least one chunk.
if (chunksToProcess.Count == 0)
{
byte[] buffer = BufferManager.TakeBuffer(SendBufferSize, "WriteSymmetricMessage");
chunksToProcess.Add(new ArraySegment <byte>(buffer, 0, 0));
}
BufferCollection chunksToSend = new BufferCollection(chunksToProcess.Capacity);
int messageSize = 0;
for (int ii = 0; ii < chunksToProcess.Count; ii++)
{
ArraySegment <byte> chunkToProcess = chunksToProcess[ii];
// nothing more to do if limits exceeded.
if (limitsExceeded)
{
BufferManager.ReturnBuffer(chunkToProcess.Array, "WriteSymmetricMessage");
continue;
}
MemoryStream strm = new MemoryStream(chunkToProcess.Array, 0, SendBufferSize);
BinaryEncoder encoder = new BinaryEncoder(strm, Quotas.MessageContext);
// check if the message needs to be aborted.
if (MessageLimitsExceeded(isRequest, messageSize + chunkToProcess.Count - headerSize, ii + 1))
{
encoder.WriteUInt32(null, messageType | TcpMessageType.Abort);
// replace the body in the chunk with an error message.
BinaryEncoder errorEncoder = new BinaryEncoder(
chunkToProcess.Array,
chunkToProcess.Offset,
chunkToProcess.Count,
Quotas.MessageContext);
WriteErrorMessageBody(errorEncoder, (isRequest) ? StatusCodes.BadRequestTooLarge : StatusCodes.BadResponseTooLarge);
int size = errorEncoder.Close();
chunkToProcess = new ArraySegment <byte>(chunkToProcess.Array, chunkToProcess.Offset, size);
limitsExceeded = true;
}
// check if the message is complete.
else if (ii == chunksToProcess.Count - 1)
{
encoder.WriteUInt32(null, messageType | TcpMessageType.Final);
}
// more chunks to follow.
else
{
encoder.WriteUInt32(null, messageType | TcpMessageType.Intermediate);
}
int count = 0;
count += TcpMessageLimits.SequenceHeaderSize;
count += chunkToProcess.Count;
count += SymmetricSignatureSize;
// calculate the padding.
int padding = 0;
if (SecurityMode == MessageSecurityMode.SignAndEncrypt)
{
// reserve one byte for the padding size.
count++;
if (count % EncryptionBlockSize != 0)
{
padding = EncryptionBlockSize - (count % EncryptionBlockSize);
}
count += padding;
}
count += TcpMessageLimits.SymmetricHeaderSize;
encoder.WriteUInt32(null, (uint)count);
encoder.WriteUInt32(null, ChannelId);
encoder.WriteUInt32(null, token.TokenId);
uint sequenceNumber = GetNewSequenceNumber();
encoder.WriteUInt32(null, sequenceNumber);
encoder.WriteUInt32(null, requestId);
// skip body.
strm.Seek(chunkToProcess.Count, SeekOrigin.Current);
// update message size count.
messageSize += chunkToProcess.Count;
// write padding.
if (SecurityMode == MessageSecurityMode.SignAndEncrypt)
{
for (int jj = 0; jj <= padding; jj++)
{
encoder.WriteByte(null, (byte)padding);
}
}
if (SecurityMode != MessageSecurityMode.None)
{
// calculate and write signature.
byte[] signature = Sign(token, new ArraySegment <byte>(chunkToProcess.Array, 0, encoder.Position), isRequest);
if (signature != null)
{
encoder.WriteRawBytes(signature, 0, signature.Length);
}
}
if (SecurityMode == MessageSecurityMode.SignAndEncrypt)
{
// encrypt the data.
ArraySegment <byte> dataToEncrypt = new ArraySegment <byte>(chunkToProcess.Array, TcpMessageLimits.SymmetricHeaderSize, encoder.Position - TcpMessageLimits.SymmetricHeaderSize);
Encrypt(token, dataToEncrypt, isRequest);
}
// add the header into chunk.
chunksToSend.Add(new ArraySegment <byte>(chunkToProcess.Array, 0, encoder.Position));
}
// ensure the buffers don't get cleaned up on exit.
success = true;
return(chunksToSend);
}
finally
{
if (!success)
{
if (chunksToProcess != null)
{
chunksToProcess.Release(BufferManager, "WriteSymmetricMessage");
}
}
}
}
/// <summary>
/// Sends a OpenSecureChannel request.
/// </summary>
protected BufferCollection WriteAsymmetricMessage(
uint messageType,
uint requestId,
X509Certificate2 senderCertificate,
X509Certificate2Collection senderCertificateChain,
X509Certificate2 receiverCertificate,
ArraySegment <byte> messageBody)
{
bool success = false;
BufferCollection chunksToSend = new BufferCollection();
byte[] buffer = BufferManager.TakeBuffer(SendBufferSize, "WriteAsymmetricMessage");
try
{
BinaryEncoder encoder = new BinaryEncoder(buffer, 0, SendBufferSize, Quotas.MessageContext);
int headerSize = 0;
if (senderCertificateChain != null && senderCertificateChain.Count > 0)
{
int senderCertificateSize = 0;
WriteAsymmetricMessageHeader(
encoder,
messageType | TcpMessageType.Intermediate,
ChannelId,
SecurityPolicyUri,
senderCertificate,
senderCertificateChain,
receiverCertificate,
out senderCertificateSize);
headerSize = GetAsymmetricHeaderSize(SecurityPolicyUri, senderCertificate, senderCertificateSize);
}
else
{
WriteAsymmetricMessageHeader(
encoder,
messageType | TcpMessageType.Intermediate,
ChannelId,
SecurityPolicyUri,
senderCertificate,
receiverCertificate);
headerSize = GetAsymmetricHeaderSize(SecurityPolicyUri, senderCertificate);
}
int signatureSize = GetAsymmetricSignatureSize(senderCertificate);
// save the header.
ArraySegment <byte> header = new ArraySegment <byte>(buffer, 0, headerSize);
// calculate the space available.
int plainTextBlockSize = GetPlainTextBlockSize(receiverCertificate);
int cipherTextBlockSize = GetCipherTextBlockSize(receiverCertificate);
int maxCipherTextSize = SendBufferSize - headerSize;
int maxCipherBlocks = maxCipherTextSize / cipherTextBlockSize;
int maxPlainTextSize = maxCipherBlocks * plainTextBlockSize;
int maxPayloadSize = maxPlainTextSize - signatureSize - 1 - TcpMessageLimits.SequenceHeaderSize;
int bytesToWrite = messageBody.Count;
int startOfBytes = messageBody.Offset;
while (bytesToWrite > 0)
{
encoder.WriteUInt32(null, GetNewSequenceNumber());
encoder.WriteUInt32(null, requestId);
int payloadSize = bytesToWrite;
if (payloadSize > maxPayloadSize)
{
payloadSize = maxPayloadSize;
}
else
{
UpdateMessageType(buffer, 0, messageType | TcpMessageType.Final);
}
// write the message body.
encoder.WriteRawBytes(messageBody.Array, messageBody.Offset + startOfBytes, payloadSize);
// calculate the amount of plain text to encrypt.
int plainTextSize = encoder.Position - headerSize + signatureSize;
// calculate the padding.
int padding = 0;
if (SecurityMode != MessageSecurityMode.None)
{
if (CertificateFactory.GetRSAPublicKeySize(receiverCertificate) <= TcpMessageLimits.KeySizeExtraPadding)
{
// need to reserve one byte for the padding.
plainTextSize++;
if (plainTextSize % plainTextBlockSize != 0)
{
padding = plainTextBlockSize - (plainTextSize % plainTextBlockSize);
}
encoder.WriteByte(null, (byte)padding);
for (int ii = 0; ii < padding; ii++)
{
encoder.WriteByte(null, (byte)padding);
}
}
else
{
// need to reserve one byte for the padding.
plainTextSize++;
// need to reserve one byte for the extrapadding.
plainTextSize++;
if (plainTextSize % plainTextBlockSize != 0)
{
padding = plainTextBlockSize - (plainTextSize % plainTextBlockSize);
}
byte paddingSize = (byte)(padding & 0xff);
byte extraPaddingByte = (byte)((padding >> 8) & 0xff);
encoder.WriteByte(null, paddingSize);
for (int ii = 0; ii < padding; ii++)
{
encoder.WriteByte(null, (byte)paddingSize);
}
encoder.WriteByte(null, extraPaddingByte);
}
// update the plaintext size with the padding size.
plainTextSize += padding;
}
// calculate the number of block to encrypt.
int encryptedBlocks = plainTextSize / plainTextBlockSize;
// calculate the size of the encrypted data.
int cipherTextSize = encryptedBlocks * cipherTextBlockSize;
// put the message size after encryption into the header.
UpdateMessageSize(buffer, 0, cipherTextSize + headerSize);
// write the signature.
byte[] signature = Sign(new ArraySegment <byte>(buffer, 0, encoder.Position), senderCertificate);
if (signature != null)
{
encoder.WriteRawBytes(signature, 0, signature.Length);
}
int messageSize = encoder.Close();
// encrypt the data.
ArraySegment <byte> encryptedBuffer = Encrypt(
new ArraySegment <byte>(buffer, headerSize, messageSize - headerSize),
header,
receiverCertificate);
// check for math errors due to code bugs.
if (encryptedBuffer.Count != cipherTextSize + headerSize)
{
throw new InvalidDataException("Actual message size is not the same as the predicted message size.");
}
// save chunk.
chunksToSend.Add(encryptedBuffer);
bytesToWrite -= payloadSize;
startOfBytes += payloadSize;
// reset the encoder to write the plaintext for the next chunk into the same buffer.
if (bytesToWrite > 0)
{
MemoryStream ostrm = new MemoryStream(buffer, 0, SendBufferSize);
ostrm.Seek(header.Count, SeekOrigin.Current);
encoder = new BinaryEncoder(ostrm, Quotas.MessageContext);
}
}
// ensure the buffers don't get clean up on exit.
success = true;
return(chunksToSend);
}
catch (Exception ex)
{
throw new Exception("Could not write async message", ex);
}
finally
{
BufferManager.ReturnBuffer(buffer, "WriteAsymmetricMessage");
if (!success)
{
chunksToSend.Release(BufferManager, "WriteAsymmetricMessage");
}
}
}
/// <summary>
/// Secures the message using the security token.
/// </summary>
protected BufferCollection WriteSymmetricMessage(
uint messageType,
uint requestId,
TcpChannelToken token,
object messageBody,
bool isRequest,
out bool limitsExceeded)
{
limitsExceeded = false;
bool success = false;
BufferCollection chunksToProcess = null;
try
{
// calculate chunk sizes.
int maxCipherTextSize = SendBufferSize - TcpMessageLimits.SymmetricHeaderSize;
int maxCipherBlocks = maxCipherTextSize/EncryptionBlockSize;
int maxPlainTextSize = maxCipherBlocks*EncryptionBlockSize;
int maxPayloadSize = maxPlainTextSize - SymmetricSignatureSize - 1 - TcpMessageLimits.SequenceHeaderSize;
int headerSize = TcpMessageLimits.SymmetricHeaderSize + TcpMessageLimits.SequenceHeaderSize;
// write the body to stream.
ArraySegmentStream ostrm = new ArraySegmentStream(
BufferManager,
SendBufferSize,
headerSize,
maxPayloadSize);
// check for encodeable body.
IEncodeable encodeable = messageBody as IEncodeable;
if (encodeable != null)
{
// debug code used to verify that message aborts are handled correctly.
// int maxMessageSize = Quotas.MessageContext.MaxMessageSize;
// Quotas.MessageContext.MaxMessageSize = Int32.MaxValue;
BinaryEncoder.EncodeMessage(encodeable, ostrm, Quotas.MessageContext);
// Quotas.MessageContext.MaxMessageSize = maxMessageSize;
}
// check for raw bytes.
ArraySegment<byte>? rawBytes = messageBody as ArraySegment<byte>?;
if (rawBytes != null)
{
BinaryEncoder encoder = new BinaryEncoder(ostrm, Quotas.MessageContext);
encoder.WriteRawBytes(rawBytes.Value.Array, rawBytes.Value.Offset, rawBytes.Value.Count);
encoder.Close();
}
chunksToProcess = ostrm.GetBuffers("WriteSymmetricMessage");
// ensure there is at least one chunk.
if (chunksToProcess.Count == 0)
{
byte[] buffer = BufferManager.TakeBuffer(SendBufferSize, "WriteSymmetricMessage");
chunksToProcess.Add(new ArraySegment<byte>(buffer, 0, 0));
}
BufferCollection chunksToSend = new BufferCollection(chunksToProcess.Capacity);
int messageSize = 0;
for (int ii = 0; ii < chunksToProcess.Count; ii++)
{
ArraySegment<byte> chunkToProcess = chunksToProcess[ii];
// nothing more to do if limits exceeded.
if (limitsExceeded)
{
BufferManager.ReturnBuffer(chunkToProcess.Array, "WriteSymmetricMessage");
continue;
}
MemoryStream strm = new MemoryStream(chunkToProcess.Array, 0, SendBufferSize);
BinaryEncoder encoder = new BinaryEncoder(strm, Quotas.MessageContext);
// check if the message needs to be aborted.
if (MessageLimitsExceeded(isRequest, messageSize + chunkToProcess.Count - headerSize, ii+1))
{
encoder.WriteUInt32(null, messageType | TcpMessageType.Abort);
// replace the body in the chunk with an error message.
BinaryEncoder errorEncoder = new BinaryEncoder(
chunkToProcess.Array,
chunkToProcess.Offset,
chunkToProcess.Count,
Quotas.MessageContext);
WriteErrorMessageBody(errorEncoder, (isRequest)?StatusCodes.BadRequestTooLarge:StatusCodes.BadResponseTooLarge);
int size = errorEncoder.Close();
chunkToProcess = new ArraySegment<byte>(chunkToProcess.Array, chunkToProcess.Offset, size);
limitsExceeded = true;
}
// check if the message is complete.
else if (ii == chunksToProcess.Count-1)
{
encoder.WriteUInt32(null, messageType | TcpMessageType.Final);
}
// more chunks to follow.
else
{
encoder.WriteUInt32(null, messageType | TcpMessageType.Intermediate);
}
int count = 0;
count += TcpMessageLimits.SequenceHeaderSize;
count += chunkToProcess.Count;
count += SymmetricSignatureSize;
// calculate the padding.
int padding = 0;
if (SecurityMode == MessageSecurityMode.SignAndEncrypt)
{
// reserve one byte for the padding size.
count++;
if (count%EncryptionBlockSize != 0)
{
padding = EncryptionBlockSize - (count%EncryptionBlockSize);
}
count += padding;
}
count += TcpMessageLimits.SymmetricHeaderSize;
encoder.WriteUInt32(null, (uint)count);
encoder.WriteUInt32(null, ChannelId);
encoder.WriteUInt32(null, token.TokenId);
uint sequenceNumber = GetNewSequenceNumber();
encoder.WriteUInt32(null, sequenceNumber);
encoder.WriteUInt32(null, requestId);
// skip body.
strm.Seek(chunkToProcess.Count, SeekOrigin.Current);
// update message size count.
messageSize += chunkToProcess.Count;
// write padding.
if (SecurityMode == MessageSecurityMode.SignAndEncrypt)
{
for (int jj = 0; jj <= padding; jj++)
{
encoder.WriteByte(null, (byte)padding);
}
}
if (SecurityMode != MessageSecurityMode.None)
{
// calculate and write signature.
byte[] signature = Sign(token, new ArraySegment<byte>(chunkToProcess.Array, 0, encoder.Position), isRequest);
if (signature != null)
{
encoder.WriteRawBytes(signature, 0, signature.Length);
}
}
if (SecurityMode == MessageSecurityMode.SignAndEncrypt)
{
// encrypt the data.
ArraySegment<byte> dataToEncrypt = new ArraySegment<byte>(chunkToProcess.Array, TcpMessageLimits.SymmetricHeaderSize, encoder.Position-TcpMessageLimits.SymmetricHeaderSize);
Encrypt(token, dataToEncrypt, isRequest);
}
// add the header into chunk.
chunksToSend.Add(new ArraySegment<byte>(chunkToProcess.Array, 0, encoder.Position));
}
// ensure the buffers don't get cleaned up on exit.
success = true;
return chunksToSend;
}
finally
{
if (!success)
{
if (chunksToProcess != null)
{
chunksToProcess.Release(BufferManager, "WriteSymmetricMessage");
}
}
}
}
/// <summary>
/// Encodes field value as RawData
/// </summary>
/// <param name="binaryEncoder"></param>
/// <param name="field"></param>
private void EncodeFieldAsRawData(BinaryEncoder binaryEncoder, Field field)
{
try
{
// 01 RawData Field Encoding
var variant = field.Value.WrappedValue;
if (variant.TypeInfo == null || variant.TypeInfo.BuiltInType == BuiltInType.Null)
{
return;
}
object valueToEncode = variant.Value;
if (field.FieldMetaData.ValueRank == ValueRanks.Scalar)
{
switch ((BuiltInType)field.FieldMetaData.BuiltInType)
{
case BuiltInType.Boolean:
binaryEncoder.WriteBoolean("Bool", Convert.ToBoolean(valueToEncode));
break;
case BuiltInType.SByte:
binaryEncoder.WriteSByte("SByte", Convert.ToSByte(valueToEncode));
break;
case BuiltInType.Byte:
binaryEncoder.WriteByte("Byte", Convert.ToByte(valueToEncode));
break;
case BuiltInType.Int16:
binaryEncoder.WriteInt16("Int16", Convert.ToInt16(valueToEncode));
break;
case BuiltInType.UInt16:
binaryEncoder.WriteUInt16("UInt16", Convert.ToUInt16(valueToEncode));
break;
case BuiltInType.Int32:
binaryEncoder.WriteInt32("Int32", Convert.ToInt32(valueToEncode));
break;
case BuiltInType.UInt32:
binaryEncoder.WriteUInt32("UInt32", Convert.ToUInt32(valueToEncode));
break;
case BuiltInType.Int64:
binaryEncoder.WriteInt64("Int64", Convert.ToInt64(valueToEncode));
break;
case BuiltInType.UInt64:
binaryEncoder.WriteUInt64("UInt64", Convert.ToUInt64(valueToEncode));
break;
case BuiltInType.Float:
binaryEncoder.WriteFloat("Float", Convert.ToSingle(valueToEncode));
break;
case BuiltInType.Double:
binaryEncoder.WriteDouble("Double", Convert.ToDouble(valueToEncode));
break;
case BuiltInType.DateTime:
binaryEncoder.WriteDateTime("DateTime", Convert.ToDateTime(valueToEncode));
break;
case BuiltInType.Guid:
binaryEncoder.WriteGuid("GUID", (Uuid)valueToEncode);
break;
case BuiltInType.String:
binaryEncoder.WriteString("String", valueToEncode as string);
break;
case BuiltInType.ByteString:
binaryEncoder.WriteByteString("ByteString", (byte[])valueToEncode);
break;
case BuiltInType.QualifiedName:
binaryEncoder.WriteQualifiedName("QualifiedName", valueToEncode as QualifiedName);
break;
case BuiltInType.LocalizedText:
binaryEncoder.WriteLocalizedText("LocalizedText", valueToEncode as LocalizedText);
break;
case BuiltInType.NodeId:
binaryEncoder.WriteNodeId("NodeId", valueToEncode as NodeId);
break;
case BuiltInType.ExpandedNodeId:
binaryEncoder.WriteExpandedNodeId("ExpandedNodeId", valueToEncode as ExpandedNodeId);
break;
case BuiltInType.StatusCode:
binaryEncoder.WriteStatusCode("StatusCode", (StatusCode)valueToEncode);
break;
case BuiltInType.XmlElement:
binaryEncoder.WriteXmlElement("XmlElement", valueToEncode as XmlElement);
break;
case BuiltInType.Enumeration:
binaryEncoder.WriteInt32("Enumeration", Convert.ToInt32(valueToEncode));
break;
case BuiltInType.ExtensionObject:
binaryEncoder.WriteExtensionObject("ExtensionObject", valueToEncode as ExtensionObject);
break;
}
}
else if (field.FieldMetaData.ValueRank >= ValueRanks.OneDimension)
{
binaryEncoder.WriteArray(null, valueToEncode, field.FieldMetaData.ValueRank, (BuiltInType)field.FieldMetaData.BuiltInType);
}
}
catch (Exception ex)
{
Utils.Trace(ex, "Error encoding field {0}.", field.FieldMetaData.Name);
}
}
/// <summary>
/// Saves object in an binary stream.
/// </summary>
/// <param name="context">The context user.</param>
/// <param name="encoder">The encoder to write to.</param>
/// <param name="attributesToSave">The masks indicating what attributes to write.</param>
public override void Save(ISystemContext context, BinaryEncoder encoder, AttributesToSave attributesToSave)
{
base.Save(context, encoder, attributesToSave);
if ((attributesToSave & AttributesToSave.EventNotifier) != 0)
{
encoder.WriteByte(null, m_eventNotifier);
}
if ((attributesToSave & AttributesToSave.ContainsNoLoops) != 0)
{
encoder.WriteBoolean(null, m_containsNoLoops);
}
}
/// <summary>
/// Sends a OpenSecureChannel response.
/// </summary>
protected BufferCollection WriteAsymmetricMessage(
uint messageType,
uint requestId,
X509Certificate2 senderCertificate,
X509Certificate2 receiverCertificate,
ArraySegment<byte> messageBody)
{
bool success = false;
BufferCollection chunksToSend = new BufferCollection();
byte[] buffer = BufferManager.TakeBuffer(SendBufferSize, "WriteAsymmetricMessage");
try
{
int headerSize = GetAsymmetricHeaderSize(SecurityPolicyUri, senderCertificate);
int signatureSize = GetAsymmetricSignatureSize(senderCertificate);
BinaryEncoder encoder = new BinaryEncoder(buffer, 0, SendBufferSize, Quotas.MessageContext);
WriteAsymmetricMessageHeader(
encoder,
messageType | TcpMessageType.Intermediate,
ChannelId,
SecurityPolicyUri,
senderCertificate,
receiverCertificate);
// save the header.
ArraySegment<byte> header = new ArraySegment<byte>(buffer, 0, headerSize);
// calculate the space available.
int plainTextBlockSize = GetPlainTextBlockSize(receiverCertificate);
int cipherTextBlockSize = GetCipherTextBlockSize(receiverCertificate);
int maxCipherTextSize = SendBufferSize - headerSize;
int maxCipherBlocks = maxCipherTextSize/cipherTextBlockSize;
int maxPlainTextSize = maxCipherBlocks*plainTextBlockSize;
int maxPayloadSize = maxPlainTextSize - signatureSize - 1 - TcpMessageLimits.SequenceHeaderSize;
int bytesToWrite = messageBody.Count;
int startOfBytes = messageBody.Offset;
while (bytesToWrite > 0)
{
encoder.WriteUInt32(null, GetNewSequenceNumber());
encoder.WriteUInt32(null, requestId);
int payloadSize = bytesToWrite;
if (payloadSize > maxPayloadSize)
{
payloadSize = maxPayloadSize;
}
else
{
UpdateMessageType(buffer, 0, messageType | TcpMessageType.Final);
}
// write the message body.
encoder.WriteRawBytes(messageBody.Array, messageBody.Offset+startOfBytes, payloadSize);
// calculate the amount of plain text to encrypt.
int plainTextSize = encoder.Position - headerSize + signatureSize;
// calculate the padding.
int padding = 0;
if (SecurityMode != MessageSecurityMode.None)
{
if (receiverCertificate.PublicKey.Key.KeySize <= TcpMessageLimits.KeySizeExtraPadding)
{
// need to reserve one byte for the padding.
plainTextSize++;
if (plainTextSize % plainTextBlockSize != 0)
{
padding = plainTextBlockSize - (plainTextSize % plainTextBlockSize);
}
encoder.WriteByte(null, (byte)padding);
for (int ii = 0; ii < padding; ii++)
{
encoder.WriteByte(null, (byte)padding);
}
}
else
{
// need to reserve one byte for the padding.
plainTextSize++;
// need to reserve one byte for the extrapadding.
plainTextSize++;
if (plainTextSize % plainTextBlockSize != 0)
{
padding = plainTextBlockSize - (plainTextSize % plainTextBlockSize);
}
byte paddingSize = (byte)(padding & 0xff);
byte extraPaddingByte = (byte)((padding >> 8) & 0xff);
encoder.WriteByte(null, paddingSize);
for (int ii = 0; ii < padding; ii++)
{
encoder.WriteByte(null, (byte)paddingSize);
}
encoder.WriteByte(null, extraPaddingByte);
}
// update the plaintext size with the padding size.
plainTextSize += padding;
}
// calculate the number of block to encrypt.
int encryptedBlocks = plainTextSize/plainTextBlockSize;
// calculate the size of the encrypted data.
int cipherTextSize = encryptedBlocks*cipherTextBlockSize;
// put the message size after encryption into the header.
UpdateMessageSize(buffer, 0, cipherTextSize + headerSize);
// write the signature.
byte[] signature = Sign(new ArraySegment<byte>(buffer, 0, encoder.Position), senderCertificate);
if (signature != null)
{
encoder.WriteRawBytes(signature, 0, signature.Length);
}
int messageSize = encoder.Close();
// encrypt the data.
ArraySegment<byte> encryptedBuffer = Encrypt(
new ArraySegment<byte>(buffer, headerSize, messageSize-headerSize),
header,
receiverCertificate);
// check for math errors due to code bugs.
if (encryptedBuffer.Count != cipherTextSize + headerSize)
{
throw new InvalidDataException("Actual message size is not the same as the predicted message size.");
}
// save chunk.
chunksToSend.Add(encryptedBuffer);
bytesToWrite -= payloadSize;
startOfBytes += payloadSize;
// reset the encoder to write the plaintext for the next chunk into the same buffer.
if (bytesToWrite > 0)
{
MemoryStream ostrm = new MemoryStream(buffer, 0, SendBufferSize);
ostrm.Seek(header.Count, SeekOrigin.Current);
encoder = new BinaryEncoder(ostrm, Quotas.MessageContext);
}
}
// ensure the buffers don't get clean up on exit.
success = true;
return chunksToSend;
}
finally
{
BufferManager.ReturnBuffer(buffer, "WriteAsymmetricMessage");
if (!success)
{
chunksToSend.Release(BufferManager, "WriteAsymmetricMessage");
}
}
}
private async Task SendCloseSecureChannelRequestAsync(CloseSecureChannelRequest request, CancellationToken token)
{
var bodyStream = SerializableBytes.CreateWritableStream();
var bodyEncoder = new BinaryEncoder(bodyStream, this);
try
{
bodyEncoder.WriteNodeId(null, CloseSecureChannelRequestNodeId);
request.Encode(bodyEncoder);
bodyStream.Position = 0;
if (bodyStream.Length > this.RemoteMaxMessageSize)
{
throw new ServiceResultException(StatusCodes.BadEncodingLimitsExceeded);
}
// write chunks
int chunkCount = 0;
int bodyCount = (int)(bodyStream.Length - bodyStream.Position);
while (bodyCount > 0)
{
chunkCount++;
if (this.RemoteMaxChunkCount > 0 && chunkCount > this.RemoteMaxChunkCount)
{
throw new ServiceResultException(StatusCodes.BadEncodingLimitsExceeded);
}
var stream = new MemoryStream(this.sendBuffer, 0, (int)this.RemoteReceiveBufferSize, true, true);
var encoder = new BinaryEncoder(stream, this);
try
{
// header
encoder.WriteUInt32(null, UaTcpMessageTypes.CLOF);
encoder.WriteUInt32(null, 0u);
encoder.WriteUInt32(null, this.ChannelId);
// symmetric security header
encoder.WriteUInt32(null, this.TokenId);
// detect new TokenId
if (this.TokenId != this.currentClientTokenId)
{
this.currentClientTokenId = this.TokenId;
// update signer and encrypter with new symmetric keys
if (this.symIsSigned)
{
this.symSigner.Key = this.clientSigningKey;
if (this.symIsEncrypted)
{
this.currentClientEncryptingKey = this.clientEncryptingKey;
this.currentClientInitializationVector = this.clientInitializationVector;
this.symEncryptor = this.symEncryptionAlgorithm.CreateEncryptor(this.currentClientEncryptingKey, this.currentClientInitializationVector);
}
}
}
int plainHeaderSize = encoder.Position;
// sequence header
encoder.WriteUInt32(null, this.GetNextSequenceNumber());
encoder.WriteUInt32(null, request.RequestHeader.RequestHandle);
// body
int paddingHeaderSize;
int maxBodySize;
int bodySize;
int paddingSize;
int chunkSize;
if (this.symIsEncrypted)
{
paddingHeaderSize = this.symEncryptionBlockSize > 256 ? 2 : 1;
maxBodySize = ((((int)this.RemoteReceiveBufferSize - plainHeaderSize - this.symSignatureSize - paddingHeaderSize) / this.symEncryptionBlockSize) * this.symEncryptionBlockSize) - SequenceHeaderSize;
if (bodyCount < maxBodySize)
{
bodySize = bodyCount;
paddingSize = (this.symEncryptionBlockSize - ((SequenceHeaderSize + bodySize + paddingHeaderSize + this.symSignatureSize) % this.symEncryptionBlockSize)) % this.symEncryptionBlockSize;
}
else
{
bodySize = maxBodySize;
paddingSize = 0;
}
chunkSize = plainHeaderSize + (((SequenceHeaderSize + bodySize + paddingSize + paddingHeaderSize + this.symSignatureSize) / this.symEncryptionBlockSize) * this.symEncryptionBlockSize);
}
else
{
paddingHeaderSize = 0;
paddingSize = 0;
maxBodySize = (int)this.RemoteReceiveBufferSize - plainHeaderSize - this.symSignatureSize - SequenceHeaderSize;
if (bodyCount < maxBodySize)
{
bodySize = bodyCount;
}
else
{
bodySize = maxBodySize;
}
chunkSize = plainHeaderSize + SequenceHeaderSize + bodySize + this.symSignatureSize;
}
bodyStream.Read(this.sendBuffer, encoder.Position, bodySize);
encoder.Position += bodySize;
bodyCount -= bodySize;
// padding
if (this.symIsEncrypted)
{
var paddingByte = (byte)(paddingSize & 0xFF);
encoder.WriteByte(null, paddingByte);
for (int i = 0; i < paddingSize; i++)
{
encoder.WriteByte(null, paddingByte);
}
if (paddingHeaderSize == 2)
{
var extraPaddingByte = (byte)((paddingSize >> 8) & 0xFF);
encoder.WriteByte(null, extraPaddingByte);
}
}
// update message type and (encrypted) length
var position = encoder.Position;
encoder.Position = 3;
encoder.WriteByte(null, bodyCount > 0 ? (byte)'C' : (byte)'F');
encoder.WriteUInt32(null, (uint)chunkSize);
encoder.Position = position;
// signature
if (this.symIsSigned)
{
byte[] signature = this.symSigner.ComputeHash(this.sendBuffer, 0, position);
if (signature != null)
{
encoder.Write(signature, 0, signature.Length);
}
}
// encrypt
position = encoder.Position;
if (this.symIsEncrypted)
{
using (var symEncryptor = this.symEncryptionAlgorithm.CreateEncryptor(this.currentClientEncryptingKey, this.currentClientInitializationVector))
{
int inputCount = position - plainHeaderSize;
Debug.Assert(inputCount % symEncryptor.InputBlockSize == 0, "Input data is not an even number of encryption blocks.");
symEncryptor.TransformBlock(this.sendBuffer, plainHeaderSize, inputCount, this.sendBuffer, plainHeaderSize);
symEncryptor.TransformFinalBlock(this.sendBuffer, position, 0);
}
}
// pass buffer to transport
await this.SendAsync(this.sendBuffer, 0, position, token).ConfigureAwait(false);
}
finally
{
encoder.Dispose();
}
}
}
finally
{
bodyEncoder.Dispose();
}
}
private async Task SendOpenSecureChannelRequestAsync(OpenSecureChannelRequest request, CancellationToken token)
{
var bodyStream = SerializableBytes.CreateWritableStream();
var bodyEncoder = new BinaryEncoder(bodyStream, this);
try
{
bodyEncoder.WriteNodeId(null, OpenSecureChannelRequestNodeId);
request.Encode(bodyEncoder);
bodyStream.Position = 0;
if (bodyStream.Length > this.RemoteMaxMessageSize)
{
throw new ServiceResultException(StatusCodes.BadEncodingLimitsExceeded);
}
// write chunks
int chunkCount = 0;
int bodyCount = (int)(bodyStream.Length - bodyStream.Position);
while (bodyCount > 0)
{
chunkCount++;
if (this.RemoteMaxChunkCount > 0 && chunkCount > this.RemoteMaxChunkCount)
{
throw new ServiceResultException(StatusCodes.BadEncodingLimitsExceeded);
}
var stream = new MemoryStream(this.sendBuffer, 0, (int)this.RemoteReceiveBufferSize, true, true);
var encoder = new BinaryEncoder(stream, this);
try
{
// header
encoder.WriteUInt32(null, UaTcpMessageTypes.OPNF);
encoder.WriteUInt32(null, 0u);
encoder.WriteUInt32(null, this.ChannelId);
// asymmetric security header
encoder.WriteString(null, this.RemoteEndpoint.SecurityPolicyUri);
if (this.RemoteEndpoint.SecurityMode != MessageSecurityMode.None)
{
encoder.WriteByteString(null, this.localCertificateBlob);
encoder.WriteByteString(null, this.RemoteCertificate.GetCertHash());
}
else
{
encoder.WriteByteString(null, null);
encoder.WriteByteString(null, null);
}
int plainHeaderSize = encoder.Position;
// sequence header
encoder.WriteUInt32(null, this.GetNextSequenceNumber());
encoder.WriteUInt32(null, request.RequestHeader.RequestHandle);
// body
int paddingHeaderSize;
int maxBodySize;
int bodySize;
int paddingSize;
int chunkSize;
if (this.asymIsEncrypted)
{
paddingHeaderSize = this.asymRemoteCipherTextBlockSize > 256 ? 2 : 1;
maxBodySize = ((((int)this.RemoteReceiveBufferSize - plainHeaderSize - this.asymLocalSignatureSize - paddingHeaderSize) / this.asymRemoteCipherTextBlockSize) * this.asymRemotePlainTextBlockSize) - SequenceHeaderSize;
if (bodyCount < maxBodySize)
{
bodySize = bodyCount;
paddingSize = (this.asymRemotePlainTextBlockSize - ((SequenceHeaderSize + bodySize + paddingHeaderSize + this.asymLocalSignatureSize) % this.asymRemotePlainTextBlockSize)) % this.asymRemotePlainTextBlockSize;
}
else
{
bodySize = maxBodySize;
paddingSize = 0;
}
chunkSize = plainHeaderSize + (((SequenceHeaderSize + bodySize + paddingSize + paddingHeaderSize + this.asymLocalSignatureSize) / this.asymRemotePlainTextBlockSize) * this.asymRemoteCipherTextBlockSize);
}
else
{
paddingHeaderSize = 0;
paddingSize = 0;
maxBodySize = (int)this.RemoteReceiveBufferSize - plainHeaderSize - this.asymLocalSignatureSize - SequenceHeaderSize;
if (bodyCount < maxBodySize)
{
bodySize = bodyCount;
}
else
{
bodySize = maxBodySize;
}
chunkSize = plainHeaderSize + SequenceHeaderSize + bodySize + this.asymLocalSignatureSize;
}
bodyStream.Read(this.sendBuffer, encoder.Position, bodySize);
encoder.Position += bodySize;
bodyCount -= bodySize;
// padding
if (this.asymIsEncrypted)
{
byte paddingByte = (byte)(paddingSize & 0xFF);
encoder.WriteByte(null, paddingByte);
for (int i = 0; i < paddingSize; i++)
{
encoder.WriteByte(null, paddingByte);
}
if (paddingHeaderSize == 2)
{
byte extraPaddingByte = (byte)((paddingSize >> 8) & 0xFF);
encoder.WriteByte(null, extraPaddingByte);
}
}
// update message type and (encrypted) length
var position = encoder.Position;
encoder.Position = 3;
encoder.WriteByte(null, bodyCount > 0 ? (byte)'C' : (byte)'F');
encoder.WriteUInt32(null, (uint)chunkSize);
encoder.Position = position;
// sign
if (this.asymIsSigned)
{
// sign with local private key.
byte[] signature = this.LocalPrivateKey.SignData(this.sendBuffer, 0, position, this.asymSignatureHashAlgorithmName, RSASignaturePadding.Pkcs1);
Debug.Assert(signature.Length == this.asymLocalSignatureSize, nameof(this.asymLocalSignatureSize));
encoder.Write(signature, 0, this.asymLocalSignatureSize);
}
// encrypt
if (this.asymIsEncrypted)
{
position = encoder.Position;
Buffer.BlockCopy(this.sendBuffer, 0, this.encryptionBuffer, 0, plainHeaderSize);
byte[] plainText = new byte[this.asymRemotePlainTextBlockSize];
int jj = plainHeaderSize;
for (int ii = plainHeaderSize; ii < position; ii += this.asymRemotePlainTextBlockSize)
{
Buffer.BlockCopy(this.sendBuffer, ii, plainText, 0, this.asymRemotePlainTextBlockSize);
// encrypt with remote public key.
byte[] cipherText = this.RemotePublicKey.Encrypt(plainText, this.asymEncryptionPadding);
Debug.Assert(cipherText.Length == this.asymRemoteCipherTextBlockSize, nameof(this.asymRemoteCipherTextBlockSize));
Buffer.BlockCopy(cipherText, 0, this.encryptionBuffer, jj, this.asymRemoteCipherTextBlockSize);
jj += this.asymRemoteCipherTextBlockSize;
}
await this.SendAsync(this.encryptionBuffer, 0, jj, token).ConfigureAwait(false);
return;
}
// pass buffer to transport
await this.SendAsync(this.sendBuffer, 0, encoder.Position, token).ConfigureAwait(false);
}
finally
{
encoder.Dispose();
}
}
}
finally
{
bodyEncoder.Dispose();
}
}
/// <summary>
/// Encodes field value as RawData
/// </summary>
/// <param name="binaryEncoder"></param>
/// <param name="field"></param>
private void EncodeFieldAsRawData(BinaryEncoder binaryEncoder, Field field)
{
try
{
// 01 RawData Field Encoding (TODO: StructuredValue)
var variant = field.Value.WrappedValue;
if (variant.TypeInfo == null || variant.TypeInfo.BuiltInType == BuiltInType.Null)
{
return;
}
if (field.FieldMetaData.ValueRank == ValueRanks.Scalar)
{
switch ((BuiltInType)field.FieldMetaData.BuiltInType)
{
case BuiltInType.Boolean:
binaryEncoder.WriteBoolean("Bool", Convert.ToBoolean(variant.Value));
break;
case BuiltInType.SByte:
binaryEncoder.WriteSByte("SByte", Convert.ToSByte(variant.Value));
break;
case BuiltInType.Byte:
binaryEncoder.WriteByte("Byte", Convert.ToByte(variant.Value));
break;
case BuiltInType.Int16:
binaryEncoder.WriteInt16("Int16", Convert.ToInt16(variant.Value));
break;
case BuiltInType.UInt16:
binaryEncoder.WriteUInt16("UInt16", Convert.ToUInt16(variant.Value));
break;
case BuiltInType.Int32:
binaryEncoder.WriteInt32("Int32", Convert.ToInt32(variant.Value));
break;
case BuiltInType.UInt32:
binaryEncoder.WriteUInt32("UInt32", Convert.ToUInt32(variant.Value));
break;
case BuiltInType.Int64:
binaryEncoder.WriteInt64("Int64", Convert.ToInt64(variant.Value));
break;
case BuiltInType.UInt64:
binaryEncoder.WriteUInt64("UInt64", Convert.ToUInt64(variant.Value));
break;
case BuiltInType.Float:
binaryEncoder.WriteFloat("Float", Convert.ToSingle(variant.Value));
break;
case BuiltInType.Double:
binaryEncoder.WriteDouble("Double", Convert.ToDouble(variant.Value));
break;
case BuiltInType.DateTime:
binaryEncoder.WriteDateTime("DateTime", Convert.ToDateTime(variant.Value));
break;
case BuiltInType.Guid:
binaryEncoder.WriteGuid("GUID", (Uuid)variant.Value);
break;
case BuiltInType.String:
binaryEncoder.WriteString("String", variant.Value as string);
break;
case BuiltInType.ByteString:
binaryEncoder.WriteByteString("ByteString", (byte[])variant.Value);
break;
case BuiltInType.QualifiedName:
binaryEncoder.WriteQualifiedName("QualifiedName", variant.Value as QualifiedName);
break;
case BuiltInType.LocalizedText:
binaryEncoder.WriteLocalizedText("LocalizedText", variant.Value as LocalizedText);
break;
case BuiltInType.NodeId:
binaryEncoder.WriteNodeId("NodeId", variant.Value as NodeId);
break;
case BuiltInType.ExpandedNodeId:
binaryEncoder.WriteExpandedNodeId("ExpandedNodeId", variant.Value as ExpandedNodeId);
break;
case BuiltInType.StatusCode:
binaryEncoder.WriteStatusCode("StatusCode", (StatusCode)variant.Value);
break;
case BuiltInType.XmlElement:
binaryEncoder.WriteXmlElement("XmlElement", variant.Value as XmlElement);
break;
case BuiltInType.Enumeration:
binaryEncoder.WriteInt32("Enumeration", Convert.ToInt32(variant.Value));
break;
case BuiltInType.ExtensionObject:
binaryEncoder.WriteExtensionObject("ExtensionObject", variant.Value as ExtensionObject);
break;
}
}
else
{
switch ((BuiltInType)field.FieldMetaData.BuiltInType)
{
case BuiltInType.Boolean:
binaryEncoder.WriteBooleanArray("BooleanArray", (bool[])variant.Value);
break;
case BuiltInType.SByte:
binaryEncoder.WriteSByteArray("SByteArray", (sbyte[])variant.Value);
break;
case BuiltInType.Byte:
binaryEncoder.WriteByteArray("ByteArray", (byte[])variant.Value);
break;
case BuiltInType.Int16:
binaryEncoder.WriteInt16Array("ByteArray", (short[])variant.Value);
break;
case BuiltInType.UInt16:
binaryEncoder.WriteUInt16Array("UInt16Array", (ushort[])variant.Value);
break;
case BuiltInType.Int32:
binaryEncoder.WriteInt32Array("Int32Array", (int[])variant.Value);
break;
case BuiltInType.UInt32:
binaryEncoder.WriteUInt32Array("UInt32Array", (uint[])variant.Value);
break;
case BuiltInType.Int64:
binaryEncoder.WriteInt64Array("Int64Array", (long[])variant.Value);
break;
case BuiltInType.UInt64:
binaryEncoder.WriteUInt64Array("UInt64Array", (ulong[])variant.Value);
break;
case BuiltInType.Float:
binaryEncoder.WriteFloatArray("FloatArray", (float[])variant.Value);
break;
case BuiltInType.Double:
binaryEncoder.WriteDoubleArray("DoubleArray", (double[])variant.Value);
break;
case BuiltInType.DateTime:
binaryEncoder.WriteDateTimeArray("DateTimeArray", (DateTime[])variant.Value);
break;
case BuiltInType.Guid:
binaryEncoder.WriteGuidArray("GuidArray", (Uuid[])variant.Value);
break;
case BuiltInType.String:
binaryEncoder.WriteStringArray("StringArray", (string[])variant.Value);
break;
case BuiltInType.ByteString:
binaryEncoder.WriteByteStringArray("StringArray", (byte[][])variant.Value);
break;
case BuiltInType.QualifiedName:
binaryEncoder.WriteQualifiedNameArray("QualifiedNameArray", (QualifiedName[])variant.Value);
break;
case BuiltInType.LocalizedText:
binaryEncoder.WriteLocalizedTextArray("LocalizedTextArray", (LocalizedText[])variant.Value);
break;
case BuiltInType.NodeId:
binaryEncoder.WriteNodeIdArray("NodeIdArray", (NodeId[])variant.Value);
break;
case BuiltInType.ExpandedNodeId:
binaryEncoder.WriteExpandedNodeIdArray("ExpandedNodeIdArray", (ExpandedNodeId[])variant.Value);
break;
case BuiltInType.StatusCode:
binaryEncoder.WriteStatusCodeArray("StatusCodeArray", (StatusCode[])variant.Value);
break;
case BuiltInType.XmlElement:
binaryEncoder.WriteXmlElementArray("XmlElementArray", (System.Xml.XmlElement[])variant.Value);
break;
case BuiltInType.Variant:
binaryEncoder.WriteVariantArray("VariantArray", (Variant[])variant.Value);
break;
case BuiltInType.Enumeration:
//TODO make this work
//binaryEncoder.WriteInt32Array("EnumerationArray", Convert.ToInt32(variant.Value));
binaryEncoder.WriteVariantArray("EnumerationArray", (Variant[])variant.Value);
break;
case BuiltInType.ExtensionObject:
binaryEncoder.WriteExtensionObjectArray("ExtensionObjectArray", (ExtensionObject[])variant.Value);
break;
}
}
}
catch (Exception ex)
{
Utils.Trace("Error encoding field {0} - {1}", field.FieldMetaData.Name, ex);
}
}
