Ejemplo n.º 1
0
        public static GetResponse ReadItem(PooledSocket socket)
        {
            string description = TextSocketHelper.ReadResponse(socket);

            if (String.Compare(description, "END", StringComparison.Ordinal) == 0)
            {
                return(null);
            }

            if (description.Length < 6 || String.Compare(description, 0, "VALUE ", 0, 6, StringComparison.Ordinal) != 0)
            {
                throw new MemcachedClientException("No VALUE response received.\r\n" + description);
            }

            ulong cas = 0;

            string[] parts = description.Split(' ');

            // response is:
            // VALUE <key> <flags> <bytes> [<cas unique>]
            // 0     1     2       3       4
            //
            // cas only exists in 1.2.4+
            //
            if (parts.Length == 5)
            {
                if (!UInt64.TryParse(parts[4], out cas))
                {
                    throw new MemcachedClientException("Invalid CAS VALUE received.");
                }
            }
            else if (parts.Length < 4)
            {
                throw new MemcachedClientException("Invalid VALUE response received: " + description);
            }

            ushort flags  = UInt16.Parse(parts[2], CultureInfo.InvariantCulture);
            int    length = Int32.Parse(parts[3], CultureInfo.InvariantCulture);

            byte[] allData = new byte[length];
            byte[] eod     = new byte[2];

            socket.Read(allData, 0, length);
            socket.Read(eod, 0, 2); // data is terminated by \r\n

            GetResponse retval = new GetResponse(parts[1], flags, cas, allData);

            if (log.IsDebugEnabled)
            {
                log.DebugFormat("Received value. Data type: {0}, size: {1}.", retval.Item.Flags, retval.Item.Data.Count);
            }

            return(retval);
        }
        protected override IOperationResult ReadResponse(PooledSocket socket)
        {
            GetResponse r      = GetHelper.ReadItem(socket);
            var         result = new TextOperationResult();

            if (r == null)
            {
                return(result.Fail("Failed to read response"));
            }

            this.result       = r.Item;
            this.ConfigResult = r.Item;

            this.Cas = r.CasValue;

            GetHelper.FinishCurrent(socket);

            return(result.Pass());
        }