public bool TryParse(byte[] buffer)
{
try
{
int offset = 0;
MessageType = (MessageType)NetBinaryUtil.ReadShort(buffer, ref offset);
int messageLength = (ushort)NetBinaryUtil.ReadShort(buffer, ref offset);
if (MagicCookie != NetBinaryUtil.ReadUInt(buffer, ref offset))
{
return(false);
}
TransactionId = NetBinaryUtil.ReadBytes(buffer, TransactionIdSize, ref offset);
Attributes.Clear();
while (offset < messageLength + 20)
{
var attr = GetAttribute(buffer, ref offset);
if (attr != null)
{
Attributes.Add(attr);
}
}
return(true);
}
catch
{
return(false);
}
}
protected override void ReadBody(byte[] buf, int offset, int size)
{
offset++;
var family = buf[offset++];
var port = (int)(NetBinaryUtil.ReadUShort(buf, ref offset) ^ (ushort)(StunMessage.MagicCookie >> 16));
byte[] address = NetBinaryUtil.ReadBytes(buf, family == 1 ? 4 : 16, ref offset);
for (int i = 0; i < address.Length; i++)
{
address[i] = (byte)(address[i] ^ buf[i + 4]);
}
EndPoint = new IPEndPoint(new IPAddress(address), port);
}