public virtual Message Deserialize(byte[] bytes)
{
var reader = new DatagramReader(bytes);
var factory = new MessageFactory();
var version = reader.Read(Message.VersionBits);
if (version != Message.Version)
{
throw new SerializationException("incorrect version");
}
var type = (MessageType)reader.Read(Message.TypeBits);
var optionCount = reader.Read(Message.OptionCountBits);
var code = (CodeRegistry)reader.Read(Message.CodeBits);
var id = reader.Read(Message.IdBits);
var message = factory.Create(type, code, id);
var currentOption = 0;
for (var i = 0; i < optionCount; i++)
{
var delta = reader.Read(Message.OptionDeltaBits);
var length = reader.Read(Message.OptionLengthBits);
currentOption += delta;
var option = new Option((OptionNumber)currentOption)
{
Value = reader.ReadBytes(length)
};
message.AddOption(option);
}
message.Payload = reader.ReadAllBytes();
return(message);
}
public void Should_read_bytes()
{
var reader = new DatagramReader(new byte[] { 0, 255 });
Assert.AreEqual(0, reader.Read(4));
Assert.AreEqual(0, reader.Read(4));
Assert.AreEqual(new byte[] { 255 }, reader.ReadAllBytes());
}