Beispiel #1
0
        /// <summary>
        /// Starts reading data from an incoming stream.
        /// The <paramref name="readCallback"/> will be executed several times until the stream closes or <see cref="ReadStop"/> method is called.
        /// </summary>
        /// <param name="allocCallback">Allocation callback.</param>
        /// <param name="readCallback">Read callback.</param>
        /// <param name="state">State to be passed to the callbacks.</param>
        public void ReadStart(AllocCallbackDelegate allocCallback, ReadCallbackDelegate readCallback, object state = null)
        {
            this.EnsureCallingThread();
            if (this._ReadVitality.IsAllocated)
            {
                throw new InvalidOperationException("ReadStop must be called before ReadStart may be called again.");
            }

            try
            {
                this._ReadVitality      = GCHandle.Alloc(this, GCHandleType.Normal);
                this._UserAllocCallback = allocCallback;
                this._UserReadCallback  = readCallback;
                this._UserReadState     = state;

                Libuv.EnsureSuccess(Libuv.uv_read_start(this, _UvAllocCallback, _UvReadCallback));
            }
            catch (Exception)
            {
                this._UserAllocCallback = null;
                this._UserReadCallback  = null;
                this._UserReadState     = null;
                if (this._ReadVitality.IsAllocated)
                {
                    this._ReadVitality.Free();
                }
                throw;
            }
        }
Beispiel #2
0
        /// <summary>
        /// Stops data reading for the stream. The <see cref="ReadCallbackDelegate"/> callback will no longer be called.
        /// </summary>
        public void ReadStop()
        {
            this.EnsureCallingThread();
            if (!this._ReadVitality.IsAllocated)
            {
                throw new InvalidOperationException("ReadStart must be called before ReadStop may be called.");
            }
            this._UserAllocCallback = null;
            this._UserReadCallback  = null;
            this._UserReadState     = null;
            this._ReadVitality.Free();

            Libuv.EnsureSuccess(Libuv.uv_read_stop(this));
        }