public static AcnPacket Create(AcnRootLayer rootLayer, Type packetType)
{
AcnPacket packet = (AcnPacket)Activator.CreateInstance(packetType);
packet.Root = rootLayer;
return(packet);
}
public static AcnPacket ReadTcpPacket(AcnBinaryReader data)
{
AcnRootLayer rootLayer = new AcnRootLayer();
rootLayer.ReadData(data, true);
return(ReadPacket(rootLayer, data));;
}
/// <summary>
/// Creates the specified root layer.
/// </summary>
/// <param name="rootLayer">The root layer.</param>
/// <param name="reader">The reader.</param>
/// <returns></returns>
public AcnPacket Create(AcnRootLayer rootLayer, AcnBinaryReader reader)
{
AcnPacket packet = (AcnPacket)Activator.CreateInstance(typeof(TPacketType));
packet.Root = rootLayer;
packet.ReadData(reader);
return(packet);
}
public static AcnPacket ReadPacket(AcnRootLayer header, AcnBinaryReader data)
{
AcnPacket packet = AcnPacket.Create(header);
if (packet != null)
{
packet.Root = header;
packet.ReadData(data);
}
return(packet);
}
public static AcnPacket Build(AcnRootLayer header)
{
Type packetType;
if (packetStore.TryGetValue(new PacketKey(header.ProtocolId), out packetType))
{
AcnPacket packet = (AcnPacket)Activator.CreateInstance(packetType);
return(packet);
}
return(null);
}
public static AcnPacket Build(AcnRootLayer header, AcnBinaryReader data)
{
IPacketBuilder packetType;
if (factory.TryGetBuilder(new PacketKey(header.ProtocolId), out packetType))
{
AcnPacket packet = packetType.Create(header, data);
return(packet);
}
return(null);
}
/// <summary>
/// Creates the specified root layer.
/// </summary>
/// <param name="rootLayer">The root layer.</param>
/// <param name="reader">The reader.</param>
/// <returns></returns>
public AcnPacket Create(AcnRootLayer rootLayer, AcnBinaryReader reader)
{
long startPosition = reader.BaseStream.Position;
PduHeader pduHeader = new PduHeader();
pduHeader.ReadPdu(reader);
IPacketBuilder builder;
if (TryGetBuilder(new PacketKey(pduHeader.Vector), out builder))
{
reader.BaseStream.Seek(startPosition, System.IO.SeekOrigin.Begin);
return(builder.Create(rootLayer, reader));
}
return(null);
}
public static AcnPacket Create(AcnRootLayer header)
{
return(AcnPacketFactory.Build(header));
}
public AcnPacket(int protocolId)
{
Root = new AcnRootLayer();
Root.ProtocolId = protocolId;
}
/// <summary>
/// Creates an ACN packet from the header information and the recieved data.
/// </summary>
/// <param name="header">The header.</param>
/// <param name="data">The data.</param>
/// <returns>The created ACN packet, may be cast to the correct packet type.</returns>
public static AcnPacket Create(AcnRootLayer header, AcnBinaryReader data)
{
return(AcnPacketFactory.Build(header, data));
}
/// <summary>
/// Reads a single packet from the data stream and returns the created packet information. This version assumes the header
/// information has already been read and so starts at the PDU layer.
/// </summary>
/// <remarks>
/// This will create the correct packet class from the registerd packet formats in the packet factory.
/// </remarks>
/// <param name="data">The recieved packet data.</param>
/// <returns>The packet information, cast to the desired packet type.</returns>
public static AcnPacket ReadPacket(AcnRootLayer header, AcnBinaryReader data)
{
return(AcnPacket.Create(header, data));
}
