public void Parse(byte[] buffer, int index, int count)
{
using (MemoryStream memory = new MemoryStream(buffer, index, count))
using (STUNBinaryReader binary = new STUNBinaryReader(memory))
{
Parse(binary);
}
}
public void Parse(STUNBinaryReader binary)
{
MessageType = (STUNMessageTypes)binary.ReadUInt16();
int messageLength = binary.ReadUInt16();
TransactionID = binary.ReadBytes(16);
Attributes = new List <STUNAttribute>();
int attrType;
int attrLength;
int paddingLength;
while ((binary.BaseStream.Position - 20) < messageLength)
{
attrType = binary.ReadUInt16();
attrLength = binary.ReadUInt16();
if (attrLength % 4 == 0)
{
paddingLength = 0;
}
else
{
paddingLength = 4 - attrLength % 4;
}
var type = STUNAttribute.GetAttribute(attrType);
if (type != null)
{
var attr = Activator.CreateInstance(type) as STUNAttribute;
attr.Parse(binary, attrLength);
Attributes.Add(attr);
}
else
{
binary.BaseStream.Position += attrLength;
}
binary.BaseStream.Position += paddingLength;
}
}
public abstract void Parse(STUNBinaryReader binary, int length);