/// <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.Executable) != 0)
{
encoder.WriteBoolean(null, m_executable);
}
if ((attributesToSave & AttributesToSave.UserExecutable) != 0)
{
encoder.WriteBoolean(null, m_userExecutable);
}
}
public async Task <int> RespondAsync(GenericContext rpcContext, CancellationToken token)
{
using (var responseData = new FrameStream())
using (var encoder = new BinaryEncoder(responseData))
{
if (DoHandshake())
{
HANDSHAKE_RESPONSE_WRITER.Write(encoder, rpcContext.HandshakeResponse);
_handshakePending = rpcContext.HandshakeResponse.match == HandshakeMatch.BOTH;
}
META_WRITER.Write(encoder, EMPTY_META);
encoder.WriteBoolean(rpcContext.IsError);
if (rpcContext.IsError)
{
_protocol.WriteError(encoder, rpcContext.MessageName, rpcContext.Error);
}
else
{
_protocol.WriteReponse(encoder, rpcContext.MessageName, rpcContext.Response);
}
encoder.WriteBytes(END_OF_FRAME);
responseData.Seek(0, SeekOrigin.Begin);
return(await _tranceiver.SendAsync(responseData, token));
}
}
/// <summary>
/// Perform event to message binary encoding
/// </summary>
/// <param name="messages"></param>
/// <returns></returns>
private IEnumerable <NetworkMessageModel> EncodeAsUadp(
IEnumerable <DataSetMessageModel> messages)
{
var notifications = GetMonitoredItemMessages(messages, MessageEncoding.Uadp);
if (notifications.Count() == 0)
{
yield break;
}
var encodingContext = messages.First().ServiceMessageContext;
foreach (var networkMessage in notifications)
{
var encoder = new BinaryEncoder(encodingContext);
encoder.WriteBoolean(null, false); // is not Batch
encoder.WriteEncodeable(null, networkMessage);
var encoded = new NetworkMessageModel {
Body = encoder.CloseAndReturnBuffer(),
Timestamp = DateTime.UtcNow,
ContentType = ContentMimeType.UaBinary,
MessageSchema = MessageSchemaTypes.MonitoredItemMessageBinary
};
yield return(encoded);
}
}
public void EncodeBoolean(bool value, int expectedLength, byte[] expectedValue)
{
using (var stream = new MemoryStream())
using (var encoder = new BinaryEncoder(stream))
{
encoder.WriteBoolean(value);
Assert.AreEqual(expectedLength, stream.Position, "Encode offset error");
Assert.AreEqual(expectedValue, stream.GetBuffer().AsSpan(0, expectedLength).ToArray());
}
}
public void TestBoolean(bool expected)
{
using (var stream = new MemoryStream())
using (var encoder = new BinaryEncoder(stream))
using (var decoder = new BinaryDecoder(stream))
{
encoder.WriteBoolean(expected);
stream.Seek(0, SeekOrigin.Begin);
var actual = decoder.ReadBoolean();
Assert.AreEqual(expected, actual);
}
}
/// <summary>
/// Perform DataSetMessageModel to batch NetworkMessageModel using binary encoding
/// </summary>
/// <param name="messages"></param>
/// <param name="maxEncodedSize"></param>
/// <returns></returns>
private IEnumerable <NetworkMessageModel> EncodeBatchAsUadp(
IEnumerable <DataSetMessageModel> messages, int maxEncodedSize)
{
var notifications = GetMonitoredItemMessages(messages, MessageEncoding.Uadp);
if (notifications.Count() == 0)
{
yield break;
}
// take the message context of the first element since is the same for all messages
var encodingContext = messages.First().ServiceMessageContext;
var current = notifications.GetEnumerator();
var processing = current.MoveNext();
var messageSize = 4; // array length size
maxEncodedSize -= 2048; // reserve 2k for header
var chunk = new Collection <MonitoredItemMessage>();
while (processing)
{
var notification = current.Current;
var messageCompleted = false;
if (notification != null)
{
var helperEncoder = new BinaryEncoder(encodingContext);
helperEncoder.WriteEncodeable(null, notification);
var notificationSize = helperEncoder.CloseAndReturnBuffer().Length;
messageCompleted = maxEncodedSize < (messageSize + notificationSize);
if (!messageCompleted)
{
chunk.Add(notification);
processing = current.MoveNext();
messageSize += notificationSize;
}
}
if (!processing || messageCompleted)
{
var encoder = new BinaryEncoder(encodingContext);
encoder.WriteBoolean(null, true); // is Batch
encoder.WriteEncodeableArray(null, chunk);
chunk.Clear();
messageSize = 4;
var encoded = new NetworkMessageModel {
Body = encoder.CloseAndReturnBuffer(),
Timestamp = DateTime.UtcNow,
ContentType = ContentMimeType.UaBinary,
MessageSchema = MessageSchemaTypes.MonitoredItemMessageBinary
};
yield return(encoded);
}
}
}
/// <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.SuperTypeId) != 0)
{
encoder.WriteNodeId(null, m_superTypeId);
}
if ((attributesToSave & AttributesToSave.IsAbstract) != 0)
{
encoder.WriteBoolean(null, m_isAbstract);
}
}
/// <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>
/// 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.InverseName) != 0)
{
encoder.WriteLocalizedText(null, m_inverseName);
}
if ((attributesToSave & AttributesToSave.Symmetric) != 0)
{
encoder.WriteBoolean(null, m_symmetric);
}
}
/// <summary>
/// Perform uadp encoding
/// </summary>
/// <param name="messages"></param>
/// <param name="maxMessageSize"></param>
/// <returns></returns>
private IEnumerable <NetworkMessageModel> EncodeAsUadp(
IEnumerable <DataSetMessageModel> messages, int maxMessageSize)
{
// by design all messages are generated in the same session context,
// therefore it is safe to get the first message's context
var encodingContext = messages.FirstOrDefault(m => m.ServiceMessageContext != null)
?.ServiceMessageContext;
var notifications = GetNetworkMessages(messages, MessageEncoding.Uadp, encodingContext);
if (!notifications.Any())
{
yield break;
}
var routingInfo = messages.FirstOrDefault(m => m?.WriterGroup != null)?.WriterGroup.WriterGroupId;
foreach (var networkMessage in notifications)
{
int notificationsPerMessage = networkMessage.Messages.Sum(m => m.Payload.Count);
var encoder = new BinaryEncoder(encodingContext);
encoder.WriteBoolean(null, false); // is not Batch
encoder.WriteEncodeable(null, networkMessage);
networkMessage.Encode(encoder);
var encoded = new NetworkMessageModel {
Body = encoder.CloseAndReturnBuffer(),
Timestamp = DateTime.UtcNow,
ContentType = ContentMimeType.Uadp,
MessageSchema = MessageSchemaTypes.NetworkMessageUadp,
RoutingInfo = _enableRoutingInfo ? routingInfo : null,
};
if (encoded.Body.Length > maxMessageSize)
{
// Message too large, drop it.
NotificationsDroppedCount += (uint)notificationsPerMessage;
_logger.Warning("Message too large, dropped {notificationsPerMessage} values", notificationsPerMessage);
continue;
}
NotificationsProcessedCount += (uint)notificationsPerMessage;
AvgMessageSize = (AvgMessageSize * MessagesProcessedCount + encoded.Body.Length) /
(MessagesProcessedCount + 1);
AvgNotificationsPerMessage = (AvgNotificationsPerMessage * MessagesProcessedCount + notificationsPerMessage) /
(MessagesProcessedCount + 1);
MessagesProcessedCount++;
yield return(encoded);
}
}
/// <summary>
/// Perform uadp encoding
/// </summary>
/// <param name="messages"></param>
/// <param name="maxMessageSize"></param>
/// <returns></returns>
private IEnumerable <NetworkMessageModel> EncodeAsUadp(
IEnumerable <DataSetMessageModel> messages, int maxMessageSize)
{
// by design all messages are generated in the same session context,
// therefore it is safe to get the first message's context
var encodingContext = messages.FirstOrDefault(m => m.ServiceMessageContext != null)
?.ServiceMessageContext;
var notifications = GetNetworkMessages(messages, MessageEncoding.Uadp, encodingContext);
if (notifications.Count() == 0)
{
yield break;
}
foreach (var networkMessage in notifications)
{
ulong notificationsPerMessage = (ulong)networkMessage.Messages.Sum(m => m.Payload.Count);
var encoder = new BinaryEncoder(encodingContext);
encoder.WriteBoolean(null, false); // is not Batch
encoder.WriteEncodeable(null, networkMessage);
networkMessage.Encode(encoder);
var encoded = new NetworkMessageModel {
Body = encoder.CloseAndReturnBuffer(),
Timestamp = DateTime.UtcNow,
ContentType = ContentMimeType.Uadp,
MessageSchema = MessageSchemaTypes.NetworkMessageUadp
};
if (encoded.Body.Length > maxMessageSize)
{
// this message is too large to be processed. Drop it
// TODO Trace
NotificationsDroppedCount++;
yield break;
}
NotificationsProcessedCount++;
AvgMessageSize = (AvgMessageSize * MessagesProcessedCount + encoded.Body.Length) /
(MessagesProcessedCount + 1);
AvgNotificationsPerMessage = (AvgNotificationsPerMessage * MessagesProcessedCount + notificationsPerMessage) /
(MessagesProcessedCount + 1);
MessagesProcessedCount++;
yield return(encoded);
}
}
/// <summary>
/// DataSetMessage to NetworkMessage binary batched encoding
/// </summary>
/// <param name="messages"></param>
/// <param name="maxMessageSize"></param>
/// <returns></returns>
private IEnumerable <NetworkMessageModel> EncodeBatchAsUadp(
IEnumerable <DataSetMessageModel> messages, int maxMessageSize)
{
// by design all messages are generated in the same session context,
// therefore it is safe to get the first message's context
var encodingContext = messages.FirstOrDefault(m => m.ServiceMessageContext != null)
?.ServiceMessageContext;
var notifications = GetNetworkMessages(messages, MessageEncoding.Uadp, encodingContext);
if (notifications.Count() == 0)
{
yield break;
}
var current = notifications.GetEnumerator();
var processing = current.MoveNext();
var messageSize = 4; // array length size
var chunk = new Collection <NetworkMessage>();
int notificationsPerMessage = 0;
while (processing)
{
var notification = current.Current;
var messageCompleted = false;
if (notification != null)
{
var helperEncoder = new BinaryEncoder(encodingContext);
helperEncoder.WriteEncodeable(null, notification);
var notificationSize = helperEncoder.CloseAndReturnBuffer().Length;
notificationsPerMessage = notification.Messages.Sum(m => m.Payload.Count);
if (notificationSize > maxMessageSize)
{
// Message too large, drop it.
NotificationsDroppedCount += (uint)notificationsPerMessage;
_logger.Warning("Message too large, dropped {notificationsPerMessage} values");
processing = current.MoveNext();
}
else
{
messageCompleted = maxMessageSize < (messageSize + notificationSize);
if (!messageCompleted)
{
chunk.Add(notification);
NotificationsProcessedCount += (ulong)notificationsPerMessage;
processing = current.MoveNext();
messageSize += notificationSize;
}
}
}
if (!processing || messageCompleted)
{
var encoder = new BinaryEncoder(encodingContext);
encoder.WriteBoolean(null, true); // is Batch
encoder.WriteEncodeableArray(null, chunk);
var encoded = new NetworkMessageModel {
Body = encoder.CloseAndReturnBuffer(),
Timestamp = DateTime.UtcNow,
ContentType = ContentMimeType.Uadp,
MessageSchema = MessageSchemaTypes.NetworkMessageUadp
};
AvgMessageSize = (AvgMessageSize * MessagesProcessedCount + encoded.Body.Length) /
(MessagesProcessedCount + 1);
AvgNotificationsPerMessage = (AvgNotificationsPerMessage * MessagesProcessedCount +
notificationsPerMessage) / (MessagesProcessedCount + 1);
MessagesProcessedCount++;
chunk.Clear();
messageSize = 4;
notificationsPerMessage = 0;
yield return(encoded);
}
}
}
/// <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>
/// 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.InverseName) != 0)
{
encoder.WriteLocalizedText(null, m_inverseName);
}
if ((attributesToSave & AttributesToSave.Symmetric) != 0)
{
encoder.WriteBoolean(null, m_symmetric);
}
}
/// <summary>
/// DataSetMessage to NetworkMessage binary batched encoding
/// </summary>
/// <param name="messages"></param>
/// <param name="maxMessageSize"></param>
/// <returns></returns>
private IEnumerable <NetworkMessageModel> EncodeBatchAsUadp(
IEnumerable <DataSetMessageModel> messages, int maxMessageSize)
{
var notifications = GetNetworkMessages(messages, MessageEncoding.Uadp);
if (notifications.Count() == 0)
{
yield break;
}
// by design all messages are generated in the same session context,
// therefore it is safe to get the first message's context
var encodingContext = messages.First().ServiceMessageContext;
var current = notifications.GetEnumerator();
var processing = current.MoveNext();
var messageSize = 4; // array length size
maxMessageSize -= 2048; // reserve 2k for header
var chunk = new Collection <NetworkMessage>();
while (processing)
{
var notification = current.Current;
var messageCompleted = false;
if (notification != null)
{
var helperEncoder = new BinaryEncoder(encodingContext);
helperEncoder.WriteEncodeable(null, notification);
var notificationSize = helperEncoder.CloseAndReturnBuffer().Length;
if (notificationSize > maxMessageSize)
{
// we cannot handle this notification. Drop it.
// TODO Trace
NotificationsDroppedCount++;
processing = current.MoveNext();
}
else
{
messageCompleted = maxMessageSize < (messageSize + notificationSize);
if (!messageCompleted)
{
chunk.Add(notification);
NotificationsProcessedCount++;
processing = current.MoveNext();
messageSize += notificationSize;
}
}
}
if (!processing || messageCompleted)
{
var encoder = new BinaryEncoder(encodingContext);
encoder.WriteBoolean(null, true); // is Batch
encoder.WriteEncodeableArray(null, chunk);
var encoded = new NetworkMessageModel {
Body = encoder.CloseAndReturnBuffer(),
Timestamp = DateTime.UtcNow,
ContentType = ContentMimeType.Uadp,
MessageSchema = MessageSchemaTypes.NetworkMessageUadp
};
AvgMessageSize = (AvgMessageSize * MessagesProcessedCount + encoded.Body.Length) /
(MessagesProcessedCount + 1);
AvgNotificationsPerMessage = (AvgNotificationsPerMessage * MessagesProcessedCount +
chunk.Count) / (MessagesProcessedCount + 1);
MessagesProcessedCount++;
chunk.Clear();
messageSize = 4;
yield return(encoded);
}
}
}
public IList <MemoryStream> Respond(IList <MemoryStream> buffers,
Transceiver connection)
{
Decoder input = new BinaryDecoder(new ByteBufferInputStream(buffers));
var bbo = new ByteBufferOutputStream();
var output = new BinaryEncoder(bbo);
Exception error = null;
var context = new RpcContext();
List <MemoryStream> handshake = null;
bool wasConnected = connection != null && connection.IsConnected;
try
{
Protocol remote = Handshake(input, output, connection);
output.Flush();
if (remote == null) // handshake failed
{
return(bbo.GetBufferList());
}
handshake = bbo.GetBufferList();
// read request using remote protocol specification
context.RequestCallMeta = META_READER.Read(null, input);
String messageName = input.ReadString();
if (messageName.Equals("")) // a handshake ping
{
return(handshake);
}
Message rm = remote.Messages[messageName];
if (rm == null)
{
throw new AvroRuntimeException("No such remote message: " + messageName);
}
Message m = Local.Messages[messageName];
if (m == null)
{
throw new AvroRuntimeException("No message named " + messageName
+ " in " + Local);
}
Object request = ReadRequest(rm.Request, m.Request, input);
context.Message = rm;
// create response using local protocol specification
if ((m.Oneway.GetValueOrDefault() != rm.Oneway.GetValueOrDefault()) && wasConnected)
{
throw new AvroRuntimeException("Not both one-way: " + messageName);
}
Object response = null;
try
{
response = Respond(m, request);
context.Response = response;
}
catch (Exception e)
{
error = e;
context.Error = error;
log.Warn("user error", e);
}
if (m.Oneway.GetValueOrDefault() && wasConnected) // no response data
{
return(null);
}
output.WriteBoolean(error != null);
if (error == null)
{
WriteResponse(m.Response, response, output);
}
else
{
try
{
WriteError(m.SupportedErrors, error, output);
}
catch (Exception)
{
// Presumably no match on the exception, throw the original
throw error;
}
}
}
catch (Exception e)
{
// system error
log.Warn("system error", e);
context.Error = e;
bbo = new ByteBufferOutputStream();
output = new BinaryEncoder(bbo);
output.WriteBoolean(true);
WriteError(errorSchema /*Protocol.SYSTEM_ERRORS*/, e.ToString(), output);
if (null == handshake)
{
handshake = new ByteBufferOutputStream().GetBufferList();
}
}
output.Flush();
List <MemoryStream> payload = bbo.GetBufferList();
// Grab meta-data from plugins
context.ResponsePayload = payload;
META_WRITER.Write(context.ResponseCallMeta, output);
output.Flush();
// Prepend handshake and append payload
bbo.Prepend(handshake);
bbo.Append(payload);
return(bbo.GetBufferList());
}
/// <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.SuperTypeId) != 0)
{
encoder.WriteNodeId(null, m_superTypeId);
}
if ((attributesToSave & AttributesToSave.IsAbstract) != 0)
{
encoder.WriteBoolean(null, m_isAbstract);
}
}
/// <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.Executable) != 0)
{
encoder.WriteBoolean(null, m_executable);
}
if ((attributesToSave & AttributesToSave.UserExecutable) != 0)
{
encoder.WriteBoolean(null, m_userExecutable);
}
}
/// <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);
}
}
