Beispiel #1
0
        public static STUNHeader ParseSTUNHeader(byte[] buffer)
        {
            if (buffer != null && buffer.Length > 0 && buffer.Length >= STUN_HEADER_LENGTH)
            {
                STUNHeader stunHeader = new STUNHeader();

                UInt16 stunTypeValue     = BitConverter.ToUInt16(buffer, 0);
                UInt16 stunMessageLength = BitConverter.ToUInt16(buffer, 2);

                if (BitConverter.IsLittleEndian)
                {
                    stunTypeValue     = Utility.ReverseEndian(stunTypeValue);
                    stunMessageLength = Utility.ReverseEndian(stunMessageLength);
                }

                stunHeader.MessageType   = STUNMessageTypes.GetSTUNMessageTypeForId(stunTypeValue);
                stunHeader.MessageLength = stunMessageLength;
                //stunHeader.TransactionId = BitConverter.ToString(buffer, 4, TRANSACTION_ID_LENGTH);
                Buffer.BlockCopy(buffer, 4, stunHeader.TransactionId, 0, TRANSACTION_ID_LENGTH);

                return(stunHeader);
            }

            return(null);
        }
Beispiel #2
0
        public static STUNMessage ParseSTUNMessage(byte[] buffer, int bufferLength)
        {
            if (buffer != null && buffer.Length > 0 && buffer.Length >= bufferLength)
            {
                STUNMessage stunMessage = new STUNMessage();
                stunMessage.Header = STUNHeader.ParseSTUNHeader(buffer);

                if (stunMessage.Header.MessageLength > 0)
                {
                    stunMessage.Attributes = STUNAttribute.ParseMessageAttributes(buffer, STUNHeader.STUN_HEADER_LENGTH, bufferLength);
                }

                return(stunMessage);
            }

            return(null);
        }
Beispiel #3
0
 public STUNMessage(STUNMessageTypesEnum stunMessageType)
 {
     Header = new STUNHeader(stunMessageType);
 }