/// <summary>
/// Initializes a new instance of the <see cref="HeaderWriter"/> class.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="headerLength">Length of the packet.</param>
internal HeaderWriter(IBinaryHeaderEncoder writer, ushort headerLength)
{
m_Length = headerLength;
m_Writer = writer;
m_BeginPosition = CurrentPosition();
writer.Seek(m_Length, SeekOrigin.Current);
}
/// <summary>
/// Initializes a new instance of the <see cref="HeaderWriter"/> class.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="headerLength">Length of the packet.</param>
internal HeaderWriter(IBinaryHeaderEncoder writer, ushort headerLength)
{
m_Length = headerLength;
m_Writer = writer;
m_BeginPosition = CurrentPosition();
writer.Seek(m_Length, SeekOrigin.Current);
}
public ProducerMessageHeader(IBinaryHeaderEncoder writer, FieldEncodingEnum encoding, MessageLengthFieldTypeEnum lengthFieldType, MessageTypeEnum messageType, ConfigurationVersionDataType configurationVersion)
{
m_MessageType = messageType;
m_Encoding = encoding;
m_lengthFieldType = lengthFieldType;
m_HeaderWriter = new HeaderWriter(writer, PackageHeaderLength());
MessageSequenceNumber = 0;
ConfigurationVersion = configurationVersion;
}
public ProducerHeader(IBinaryHeaderEncoder writer, Guid producerId, IList <ushort> dataSetWriterIds) : base()
{
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
PublisherId = producerId;
NetworkMessageFlags = Convert.ToByte(PacketFlagsDefinitions.NetworkMessageType.RegularMessages);
ProtocolVersion = CommonDefinitions.ProtocolVersion;
SecurityTokenId = 0;
NonceLength = 0;
DataSetWriterIds = new ReadOnlyCollection <ushort>(dataSetWriterIds);
MessageCount = Convert.ToByte(DataSetWriterIds.Count);
ushort _packetLength = Convert.ToUInt16(m_PacketHeaderLength + dataSetWriterIds.Count * 2);
m_HeaderWriter = new HeaderWriter(writer, _packetLength);
}
private void WriteHeader(IBinaryHeaderEncoder writer, ushort messageLength)
{
writer.Write((byte)MessageType);
writer.Write(EncodingFlags);
switch (m_lengthFieldType)
{
case MessageLengthFieldTypeEnum.OneByte:
writer.Write(Convert.ToByte(messageLength));
break;
case MessageLengthFieldTypeEnum.TwoBytes:
writer.Write(Convert.ToUInt16(messageLength));
break;
case MessageLengthFieldTypeEnum.FourBytes:
writer.Write(Convert.ToUInt32(messageLength));
break;
}
writer.Write(MessageSequenceNumber);
writer.Write(ConfigurationVersion.MajorVersion);
writer.Write(ConfigurationVersion.MinorVersion);
switch (MessageType)
{
case MessageTypeEnum.DataKeyFrame:
case MessageTypeEnum.DataDeltaFrame:
case MessageTypeEnum.Event:
writer.Write(TimeStamp);
writer.Write(FieldCount);
break;
case MessageTypeEnum.KeepAlive:
break;
case MessageTypeEnum.DataSetMetadata:
break;
default:
break;
}
}
//methods
private void WriteHeader(IBinaryHeaderEncoder m_Writer, ushort dataLength)
{
Debug.Assert(DataSetWriterIds != null);
Debug.Assert(DataSetWriterIds.Count == MessageCount);
m_Writer.Write(ProtocolVersion);
m_Writer.Write(NetworkMessageFlags);
m_Writer.Write(PublisherId);
m_Writer.Write(SecurityTokenId);
m_Writer.Write(NonceLength);
for (int i = 0; i < NonceLength; i++)
{
m_Writer.Write(Nonce[i]);
}
m_Writer.Write(MessageCount);
if (MessageCount == 0)
{
return;
}
for (int i = 0; i < DataSetWriterIds.Count; i++)
{
m_Writer.Write(DataSetWriterIds[i]);
}
}
/// <summary>
/// Gets the producer packet header.
/// </summary>
/// <param name="encoder">The writer.</param>
/// <param name="producerId">The producer identifier.</param>
/// <param name="dataSetWriterIds">The data set writer ids list. The size of the list must be equal to the <see cref="PacketHeader.MessageCount"/>.</param>
/// <returns>An instance of the <see cref="PacketHeader"/>.</returns>
public static PacketHeader GetProducerPacketHeader(IBinaryHeaderEncoder encoder, Guid producerId, IList <ushort> dataSetWriterIds)
{
return(new ProducerHeader(encoder, producerId, dataSetWriterIds));
}
/// <summary>
/// Gets the producer message header.
/// </summary>
/// <param name="writer">The writer <see cref="IBinaryHeaderEncoder" /> to populate the payload with the header information.</param>
/// <param name="encoding">The encoding.</param>
/// <param name="lengthFieldType">Type of the length field in the the message header.</param>
/// <param name="messageType">Type of the message.</param>
/// <param name="configurationVersion">The configuration version.</param>
/// <returns>MessageHeader.</returns>
internal static MessageHeader GetProducerMessageHeader(IBinaryHeaderEncoder writer, FieldEncodingEnum encoding, MessageLengthFieldTypeEnum lengthFieldType, MessageTypeEnum messageType, ConfigurationVersionDataType configurationVersion)
{
return(new ProducerMessageHeader(writer, encoding, lengthFieldType, messageType, configurationVersion));
}
private void WriteHeader(IBinaryHeaderEncoder writer, ushort messageLength)
{
writer.Write((byte)MessageType);
writer.Write(EncodingFlags);
switch (m_lengthFieldType)
{
case MessageLengthFieldTypeEnum.OneByte:
writer.Write(Convert.ToByte(messageLength));
break;
case MessageLengthFieldTypeEnum.TwoBytes:
writer.Write(Convert.ToUInt16(messageLength));
break;
case MessageLengthFieldTypeEnum.FourBytes:
writer.Write(Convert.ToUInt32(messageLength));
break;
}
writer.Write(MessageSequenceNumber);
writer.Write(ConfigurationVersion.MajorVersion);
writer.Write(ConfigurationVersion.MinorVersion);
switch (MessageType)
{
case MessageTypeEnum.DataKeyFrame:
case MessageTypeEnum.DataDeltaFrame:
case MessageTypeEnum.Event:
writer.Write(TimeStamp);
writer.Write(FieldCount);
break;
case MessageTypeEnum.KeepAlive:
break;
case MessageTypeEnum.DataSetMetadata:
break;
default:
break;
}
}
public ProducerMessageHeader(IBinaryHeaderEncoder writer, FieldEncodingEnum encoding, MessageLengthFieldTypeEnum lengthFieldType, MessageTypeEnum messageType, ConfigurationVersionDataType configurationVersion)
{
m_MessageType = messageType;
m_Encoding = encoding;
m_lengthFieldType = lengthFieldType;
m_HeaderWriter = new HeaderWriter(writer, PackageHeaderLength());
MessageSequenceNumber = 0;
ConfigurationVersion = configurationVersion;
}
/// <summary>
/// Gets the producer message header.
/// </summary>
/// <param name="writer">The writer <see cref="IBinaryHeaderEncoder" /> to populate the payload with the header information.</param>
/// <param name="encoding">The encoding.</param>
/// <param name="lengthFieldType">Type of the length field in the the message header.</param>
/// <param name="messageType">Type of the message.</param>
/// <param name="configurationVersion">The configuration version.</param>
/// <returns>MessageHeader.</returns>
internal static MessageHeader GetProducerMessageHeader(IBinaryHeaderEncoder writer, FieldEncodingEnum encoding, MessageLengthFieldTypeEnum lengthFieldType, MessageTypeEnum messageType, ConfigurationVersionDataType configurationVersion)
{
return new ProducerMessageHeader(writer, encoding, lengthFieldType, messageType, configurationVersion);
}
//methods
private void WriteHeader(IBinaryHeaderEncoder m_Writer, ushort dataLength)
{
Debug.Assert(DataSetWriterIds != null);
Debug.Assert(DataSetWriterIds.Count == MessageCount);
m_Writer.Write(ProtocolVersion);
m_Writer.Write(NetworkMessageFlags);
m_Writer.Write(PublisherId);
m_Writer.Write(SecurityTokenId);
m_Writer.Write(NonceLength);
for (int i = 0; i < NonceLength; i++)
m_Writer.Write(Nonce[i]);
m_Writer.Write(MessageCount);
if (MessageCount == 0)
return;
for (int i = 0; i < DataSetWriterIds.Count; i++)
m_Writer.Write(DataSetWriterIds[i]);
}
public ProducerHeader(IBinaryHeaderEncoder writer, Guid producerId, IList<UInt16> dataSetWriterIds)
: base()
{
if (writer == null)
throw new ArgumentNullException(nameof(writer));
PublisherId = producerId;
NetworkMessageFlags = Convert.ToByte(PacketFlagsDefinitions.NetworkMessageType.RegularMessages);
ProtocolVersion = CommonDefinitions.ProtocolVersion;
SecurityTokenId = 0;
NonceLength = 0;
DataSetWriterIds = new ReadOnlyCollection<UInt16>(dataSetWriterIds);
MessageCount = Convert.ToByte(DataSetWriterIds.Count);
ushort _packetLength = Convert.ToUInt16(m_PacketHeaderLength + dataSetWriterIds.Count * 2);
m_HeaderWriter = new HeaderWriter(writer, _packetLength);
}
/// <summary>
/// Gets the producer packet header.
/// </summary>
/// <param name="encoder">The writer.</param>
/// <param name="producerId">The producer identifier.</param>
/// <param name="dataSetWriterIds">The data set writer ids list. The size of the list must be equal to the <see cref="PacketHeader.MessageCount"/>.</param>
/// <returns>An instance of the <see cref="PacketHeader"/>.</returns>
public static PacketHeader GetProducerPacketHeader(IBinaryHeaderEncoder encoder, Guid producerId, IList<UInt16> dataSetWriterIds)
{
return new ProducerHeader(encoder, producerId, dataSetWriterIds);
}
