Ejemplo n.º 1
0
            public SocketReceiveAsyncResult(int size, bool throwOnEmpty, SizedTcpBaseChannel channel, AsyncCallback callback, object state)
                : base(callback, state)
            {
                this.size           = size;
                this.channel        = channel;
                this.throwOnEmpty   = throwOnEmpty;
                this.bytesReadTotal = 0;
                this.buffer         = channel.bufferManager.TakeBuffer(size);

                bool success = false;

                try
                {
                    IAsyncResult socketReceiveResult = channel.BeginSocketReceive(this.buffer, bytesReadTotal, size, OnReadBytes, this);
                    if (socketReceiveResult.CompletedSynchronously)
                    {
                        if (CompleteReadBytes(socketReceiveResult))
                        {
                            base.Complete(true);
                        }
                    }
                    success = true;
                }
                finally
                {
                    if (!success)
                    {
                        this.Cleanup();
                    }
                }
            }
Ejemplo n.º 2
0
            bool CompleteReadBytes(IAsyncResult result)
            {
                int bytesRead = channel.EndSocketReceive(result);

                bytesReadTotal += bytesRead;
                if (bytesRead == 0)
                {
                    if (size == 0 || !throwOnEmpty)
                    {
                        channel.bufferManager.ReturnBuffer(this.buffer);
                        this.buffer = null;
                        return(true);
                    }
                    else
                    {
                        throw new CommunicationException("Premature EOF reached");
                    }
                }

                while (bytesReadTotal < size)
                {
                    IAsyncResult socketReceiveResult = channel.BeginSocketReceive(buffer, bytesReadTotal, size - bytesReadTotal, OnReadBytes, this);
                    if (!socketReceiveResult.CompletedSynchronously)
                    {
                        return(false);
                    }
                }

                return(true);
            }
Ejemplo n.º 3
0
            public SocketReceiveAsyncResult(int size, bool throwOnEmpty, SizedTcpBaseChannel channel, AsyncCallback callback, object state)
                : base(callback, state)
            {
                this.size = size;
                this.channel = channel;
                this.throwOnEmpty = throwOnEmpty;
                this.bytesReadTotal = 0;
                this.buffer = channel.bufferManager.TakeBuffer(size);

                bool success = false;
                try
                {
                    IAsyncResult socketReceiveResult = channel.BeginSocketReceive(this.buffer, bytesReadTotal, size, OnReadBytes, this);
                    if (socketReceiveResult.CompletedSynchronously)
                    {
                        if (CompleteReadBytes(socketReceiveResult))
                        {
                            base.Complete(true);
                        }
                    }
                    success = true;
                }
                finally
                {
                    if (!success)
                    {
                        this.Cleanup();
                    }
                }
            }