public override void Write(byte[] buffer, int offset, int payloadLength, ILayer previousLayer, ILayer nextLayer)
{
EthernetType ethernetType = EthernetBaseLayer.GetEthernetType(this.EtherType, nextLayer);
MacAddress destination = this.Destination;
IEthernetNextLayer ethernetNextLayer = nextLayer as IEthernetNextLayer;
if (destination == MacAddress.Zero && ethernetNextLayer != null && ethernetNextLayer.PreviousLayerDefaultDestination.HasValue)
{
destination = ethernetNextLayer.PreviousLayerDefaultDestination.Value;
}
EthernetDatagram.WriteHeader(buffer, offset, this.Source, destination, ethernetType);
}
internal static void WriteHeader(byte[] buffer, int offset, MacAddress ethernetSource, MacAddress ethernetDestination, EthernetType ethernetType)
{
ByteArrayExtensions.Write(buffer, offset + 6, ethernetSource, Endianity.Big);
ByteArrayExtensions.Write(buffer, offset, ethernetDestination, Endianity.Big);
ByteArrayExtensions.Write(buffer, offset + 12, (ushort)ethernetType, Endianity.Big);
}
internal static void WriteHeader(byte[] buffer, int offset, MacAddress ethernetSource, MacAddress ethernetDestination, EthernetType ethernetType)
{
buffer.Write(offset + Offset.Source, ethernetSource, Endianity.Big);
buffer.Write(offset + Offset.Destination, ethernetDestination, Endianity.Big);
buffer.Write(offset + Offset.EtherTypeLength, (ushort)ethernetType, Endianity.Big);
}
