Ejemplo n.º 1
0
        /// <summary>
        /// Sends an SCTP control packet with an abort chunk to terminate
        /// the association.
        /// </summary>
        /// <param name="errorCause">The cause of the abort.</param>
        public void Abort(ISctpErrorCause errorCause)
        {
            if (!_wasAborted)
            {
                _wasAborted = true;
                bool tBit       = _remoteVerificationTag != 0;
                var  abortChunk = new SctpAbortChunk(tBit);
                abortChunk.AddErrorCause(errorCause);

                SendChunk(abortChunk);

                OnAborted?.Invoke(errorCause.CauseCode.ToString());

                _dataSender.Close();
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Send an SCTP packet with one of the error type chunks (ABORT or ERROR) to the remote peer.
        /// </summary>
        /// <param name=isAbort">Set to true to use an ABORT chunk otherwise an ERROR chunk will be used.</param>
        /// <param name="desintationPort">The SCTP destination port.</param>
        /// <param name="sourcePort">The SCTP source port.</param>
        /// <param name="initiateTag">If available the initial tag for the remote peer.</param>
        /// <param name="error">The error to send.</param>
        private void SendError(
            bool isAbort,
            ushort destinationPort,
            ushort sourcePort,
            uint initiateTag,
            ISctpErrorCause error)
        {
            SctpPacket errorPacket = new SctpPacket(
                destinationPort,
                sourcePort,
                initiateTag);

            SctpErrorChunk errorChunk = isAbort ? new SctpAbortChunk(true) : new SctpErrorChunk();

            errorChunk.AddErrorCause(error);
            errorPacket.AddChunk(errorChunk);

            var buffer = errorPacket.GetBytes();

            Send(null, buffer, 0, buffer.Length);
        }
Ejemplo n.º 3
0
 /// <summary>
 /// Adds an additional error cause parameter to the chunk.
 /// </summary>
 /// <param name="errorCause">The additional error cause to add to the chunk.</param>
 public void AddErrorCause(ISctpErrorCause errorCause)
 {
     ErrorCauses.Add(errorCause);
 }
Ejemplo n.º 4
0
 /// <summary>
 /// Creates a new ERROR chunk.
 /// </summary>
 /// <param name="errorCause">The initial error cause to set on this chunk.</param>
 public SctpErrorChunk(ISctpErrorCause errorCause) : base(SctpChunkType.ERROR)
 {
     ErrorCauses.Add(errorCause);
 }