public RspList Multicast(ArrayList dests, object msg, byte mode, bool isSeqRequired, long timeout)
{
if (ServerMonitor.MonitorActivity) ServerMonitor.LogClientActivity("ClustService.Mcast", "");
byte[] serializedMsg = SerializeMessage(msg);
Message m = new Message(null, null, serializedMsg);
if (msg is Function)
m.Payload = ((Function)msg).UserPayload;
m.setBuffer(serializedMsg);
m.Dests = dests;
m.IsSeqRequired = isSeqRequired;
RspList rspList = null;
try
{
rspList = _msgDisp.castMessage(dests, m, mode, timeout);
}
finally
{
if (ServerMonitor.MonitorActivity) ServerMonitor.LogClientActivity("ClustService.Mcast", "completed");
}
if (rspList.size() == 0)
{
return null;
}
Rsp rsp;
for (int i = 0; i < rspList.size(); i++)
{
rsp = (Rsp)rspList.elementAt(i);
rsp.Deflate(_context.SerializationContext);
}
return rspList;
}
public RspList BroadcastToMultiple(ArrayList dests, object msg, byte mode, long timeout, string traceMsg, bool handleAsync)
{
if (ServerMonitor.MonitorActivity) ServerMonitor.LogClientActivity("ClustService.BcastToMultiple", "");
byte[] serializedMsg = SerializeMessage(msg);
Message m = new Message(null, null, serializedMsg);
m.HandledAysnc = handleAsync;
m.setBuffer(serializedMsg);
m.IsUserMsg = true;
RspList rspList = null;
try
{
rspList = _msgDisp.castMessage(dests, m, mode, timeout);
}
finally
{
if (ServerMonitor.MonitorActivity) ServerMonitor.LogClientActivity("ClustService.BcastToMultiple", "completed");
}
if (rspList.size() == 0)
{
return null;
}
Rsp rsp;
for (int i = 0; i < rspList.size(); i++)
{
rsp = (Rsp)rspList.elementAt(i);
rsp.Deflate(_context.SerializationContext);
}
return rspList;
}
/// <summary> Send the bcast request with the given localSeqID
///
/// </summary>
/// <param name="seqID">the local sequence id of the
/// </param>
private void _transmitBcastRequest(long seqID)
{
Message reqMsg;
// i. If NULL_STATE, then ignore, just transient state before
// shutting down the retransmission thread
// ii. If blocked, be patient - reschedule
// iii. If the request is not pending any more, acknowledge it
// iv. Create a broadcast request and send it to the sequencer
if (state == NULL_STATE)
{
if (Stack.NCacheLog.IsInfoEnabled) Stack.NCacheLog.Info("Transmit BCAST_REQ[" + seqID + "] in NULL_STATE");
return;
}
if (state == BLOCK)
return;
request_lock.AcquireReaderLock(Timeout.Infinite);
try
{
if (!reqTbl.Contains((long)seqID))
{
retransmitter.ack(seqID);
return;
}
}
finally
{
request_lock.ReleaseReaderLock();
}
reqMsg = new Message();
reqMsg.Dest = sequencerAddr;
reqMsg.Src = addr;
reqMsg.setBuffer(new byte[0]);
HDR hdr = new HDR();
hdr.type = HDR.REQ;
hdr.localSeqID = seqID;
hdr.seqID = NULL_ID;
reqMsg.putHeader(HeaderType.TOTAL, hdr);
reqMsg.IsUserMsg = true;
reqMsg.Type = MsgType.TOKEN_SEEKING;
Event evt = new Event();
evt.Type = Event.MSG;
evt.Arg = reqMsg;
passDown(evt);
}
private RspList BroadcastToMultiple(ArrayList dests, object msg, byte mode, long timeout, bool isSeqRequired, string traceMsg,Priority priority)
{
///TODO: remove this conditional compilation
byte[] serializedMsg = SerializeMessage(msg);
Message m = new Message(null, null, serializedMsg);
if (msg is Function)
{
m.Payload = ((Function)msg).UserPayload;
m.responseExpected = ((Function)msg).ResponseExpected;
}
m.setBuffer(serializedMsg);
m.IsSeqRequired = isSeqRequired;
m.Priority = priority;
RspList rspList = null;
try
{
rspList = _msgDisp.castMessage(dests, m, mode, timeout);
}
finally
{
if (ServerMonitor.MonitorActivity) ServerMonitor.LogClientActivity("ClustService.BcastToMultiple", "completed");
}
if (rspList.size() == 0)
{
return null;
}
Rsp rsp;
for (int i = 0; i < rspList.size(); i++)
{
rsp = (Rsp)rspList.elementAt(i);
rsp.Deflate(_context.SerializationContext);
}
return rspList;
}
/// <summary>
/// Fetches the request status from the nodes.
/// </summary>
/// <param name="nodes"></param>
/// <returns></returns>
public Hashtable FetchRequestStatus(ArrayList nodes, ArrayList clusterMembership, long reqId)
{
Hashtable result = new Hashtable();
if (nodes != null && nodes.Count > 0)
{
HDR hdr = new HDR(HDR.GET_REQ_STATUS, NextRequestId,true, null);
hdr.status_reqId = reqId;
Message msg = new Message();
msg.putHeader(HeaderType.REQUEST_COORELATOR, hdr);
msg.Dests = nodes;
msg.IsSeqRequired = false;
msg.IsUserMsg = true;
msg.RequestId = reqId;
msg.setBuffer(new byte[0]);
GroupRequest req = new GroupRequest(msg, this, nodes, clusterMembership, GroupRequest.GET_ALL, 2000, 0, this._ncacheLog);
req.execute();
RspList rspList = req.Results;
RequestStatus reqStatus = null;
if (rspList != null)
{
for (int i = 0; i < rspList.size(); i++)
{
Rsp rsp = rspList.elementAt(i) as Rsp;
if (rsp != null)
{
if (rsp.received)
{
if (NCacheLog.IsInfoEnabled) NCacheLog.Info("ReqCorrelator.FetchReqStatus", reqId + " status response received from " + rsp.sender);
object rspValue = rsp.Value;
if (rspValue is byte[])
reqStatus = CompactBinaryFormatter.Deserialize(new MemoryStream((byte[])rspValue), null) as RequestStatus;
else
reqStatus = rsp.Value as RequestStatus;
if (NCacheLog.IsInfoEnabled) NCacheLog.Info("ReqCorrelator.FetchReqStatus", reqId + " status response: " + reqStatus);
result[rsp.Sender] = reqStatus;
}
else
{
if (NCacheLog.IsInfoEnabled) NCacheLog.Info("ReqCorrelator.FetchReqStatus", reqId + " status response NOT received from " + rsp.sender);
result[rsp.Sender] = new RequestStatus(reqId,RequestStatus.NONE);
}
}
}
}
}
return result;
}
