Ejemplo n.º 1
0
        public void Execute()
        {
            eventArgs = cluster.GetEventArgs();
            segment = segmentOrig = eventArgs.UserToken as BufferSegment;
            eventArgs.UserToken = this;

            if (cluster.HasBufferChanged(segment))
            {
                // Reset buffer in SizeBuffer().
                segment.buffer = null;
                segment.offset = 0;
                segment.size = 0;
            }

            Policy policy = GetPolicy();
            timeout = policy.timeout;

            if (timeout > 0)
            {
                watch = Stopwatch.StartNew();
                AsyncTimeoutQueue.Instance.Add(this, timeout);
            }

            ExecuteCommand();
        }
 public bool HasBufferChanged(BufferSegment segment)
 {
     return(bufferPool.bufferSize != segment.size);
 }
Ejemplo n.º 3
0
 private void ResizeBuffer(int size)
 {
     if (size <= BufferPool.BUFFER_CUTOFF)
     {
         // Checkout buffer from cache.
         cluster.GetNextBuffer(size, segment);
     }
     else
     {
         // Large buffers should not be cached.
         // Allocate, but do not put back into pool.
         segment = new BufferSegment();
         segment.buffer = new byte[size];
         segment.offset = 0;
         segment.size = size;
     }
 }
Ejemplo n.º 4
0
 private void PutBackArgsOnError()
 {
     // Do not put large buffers back into pool.
     if (segment.size > BufferPool.BUFFER_CUTOFF)
     {
         // Put back original buffer instead.
         segment = segmentOrig;
         eventArgs.SetBuffer(segment.buffer, segment.offset, 0);
     }
     else
     {
         // There may be rare error cases where dataBuffer and eventArgs.Buffer
         // are different.  Make sure they are in sync.
         if (eventArgs.Buffer != segment.buffer)
         {
             eventArgs.SetBuffer(segment.buffer, segment.offset, 0);
         }
     }
     eventArgs.UserToken = segment;
     cluster.PutEventArgs(eventArgs);
 }
Ejemplo n.º 5
0
        protected internal void Finish()
        {
            // Ensure that command succeeds or fails, but not both.
            int status = Interlocked.CompareExchange(ref complete, SUCCESS, 0);

            if (status == 0)
            {
                conn.UpdateLastUsed();
                node.PutAsyncConnection(conn);

                // Do not put large buffers back into pool.
                if (segment.size > BufferPool.BUFFER_CUTOFF)
                {
                    // Put back original buffer instead.
                    segment = segmentOrig;
                    eventArgs.SetBuffer(segment.buffer, segment.offset, 0);
                }

                eventArgs.UserToken = segment;
                cluster.PutEventArgs(eventArgs);

                try
                {
                    OnSuccess();
                }
                catch (AerospikeException ae)
                {
                    // The user's OnSuccess() may have already been called which in turn generates this
                    // exception.  It's important to call OnFailure() anyhow because the user's code
                    // may be waiting for completion notification which wasn't yet called in
                    // OnSuccess().  This is the only case where both OnSuccess() and OnFailure()
                    // gets called for the same command.
                    OnFailure(ae);
                }
                catch (Exception e)
                {
                    OnFailure(new AerospikeException(e));
                }
            }
            else
            {
                AlreadyCompleted(status);
            }
        }
Ejemplo n.º 6
0
 public bool HasBufferChanged(BufferSegment segment)
 {
     return bufferPool.bufferSize != segment.size;
 }
Ejemplo n.º 7
0
 public void GetNextBuffer(int size, BufferSegment segment)
 {
     lock (this)
     {
         if (size > bufferPool.bufferSize)
         {
             bufferPool = new BufferPool(maxCommands, size);
         }
         bufferPool.GetNextBuffer(segment);
     }
 }