object RequestHandler.handleNHopRequest(Message req, out Address destination, out Message replicationMsg)
{
destination = null;
replicationMsg = null;
if (req == null || req.Length == 0)
return null;
try
{
bool isLocalReq = LocalAddress.CompareTo(req.Src) == 0;
object body = req.getFlatObject();
try
{
if (body is Byte[])
body = CompactBinaryFormatter.FromByteBuffer((byte[])body, _context.SerializationContext);
}
catch (Exception e)
{
return e;
}
object result = null;
if (body is Function)
{
Function func = (Function)body;
func.UserPayload = req.Payload;
if (isLocalReq && func.ExcludeSelf)
{
if (req.HandledAysnc && req.RequestId > 0)
SendResponse(req.Src, null, req.RequestId);
return null;
}
if (req.HandledAysnc)
{
AsyncRequst asyncReq = new AsyncRequst(func, func.SyncKey);
asyncReq.Src = req.Src;
asyncReq.RequsetId = req.RequestId;
_asynHandler.HandleRequest(asyncReq);
return null;
}
else
{
result = handleFunction(req.Src, func, out destination, out replicationMsg);
}
}
else if (body is AggregateFunction)
{
AggregateFunction funcs = (AggregateFunction)body;
object[] results = new object[funcs.Functions.Length];
for (int i = 0; i < results.Length; i++)
{
Function func = (Function)funcs.Functions.GetValue(i);
if (isLocalReq && func.ExcludeSelf)
{
if (req.HandledAysnc && req.RequestId > 0)
{
SendResponse(req.Src, null, req.RequestId);
continue;
}
results[i] = null;
}
else
{
if (req.HandledAysnc)
{
AsyncRequst asyncReq = new AsyncRequst(func, func.SyncKey);
asyncReq.Src = req.Src;
asyncReq.RequsetId = req.RequestId;
_asynHandler.HandleRequest(asyncReq);
continue;
}
results[i] = handleFunction(req.Src, func);
}
}
result = results;
}
if (result is OperationResponse)
{
((OperationResponse)result).SerializablePayload = CompactBinaryFormatter.ToByteBuffer(((OperationResponse)result).SerializablePayload, _context.SerializationContext);
}
else
{
result = CompactBinaryFormatter.ToByteBuffer(result, _context.SerializationContext);
}
return result;
}
catch (Exception e)
{
return e;
}
return null;
}
/* ---------------------- Interface RspCollector -------------------------- */
/// <summary> <b>Callback</b> (called by RequestCorrelator or Transport).
/// Adds a response to the response table. When all responses have been received,
/// <code>execute()</code> returns.
/// </summary>
public virtual void receiveResponse(Message m)
{
Address sender = m.Src, mbr;
object val = null;
if (_done)
{
NCacheLog.Warn("GroupRequest.receiveResponse()", "command is done; cannot add response !");
return;
}
if (suspects != null && suspects.Count > 0 && suspects.Contains(sender))
{
NCacheLog.Warn("GroupRequest.receiveResponse()", "received response from suspected member " + sender + "; discarding");
return;
}
if (m.Length > 0)
{
try
{
if (m.responseExpected)
{
OperationResponse opRes = new OperationResponse();
opRes.SerializablePayload = m.getFlatObject();
opRes.UserPayload = m.Payload;
val = opRes;
}
else
{
val = m.getFlatObject();
}
}
catch (System.Exception e)
{
NCacheLog.Error("GroupRequest.receiveResponse()", "exception=" + e.Message);
}
}
lock (rsp_mutex)
{
bool isMainMember = false;
for (int i = 0; i < membership.Length; i++)
{
mbr = membership[i];
if (mbr.Equals(sender))
{
isMainMember = true;
if (received[i] == NOT_RECEIVED)
{
responses[i] = val;
received[i] = RECEIVED;
if (NCacheLog.IsInfoEnabled) NCacheLog.Info("GroupRequest.receiveResponse()", "received response for request " + req_id + ", sender=" + sender + ", val=" + val);
System.Threading.Monitor.PulseAll(rsp_mutex); // wakes up execute()
break;
}
}
}
if (!isMainMember)
{
receivedFromNHops[sender] = RECEIVED;
System.Threading.Monitor.PulseAll(rsp_mutex);
}
}
}
