CWuidReadSlaveActivity(CGraphElementBase *_container)
: CSlaveActivity(_container), CThorDataLink(this)
{
replyTag = createReplyTag();
replyStream.setown(createMemoryBufferSerialStream(masterReplyMsg));
rowSource.setStream(replyStream);
}
void init(MemoryBuffer &data, MemoryBuffer &slaveData)
{
AggregateSlaveBase::init(data, slaveData);
appendOutputLinked(this);
helper = (IHThorAggregateArg *)queryHelper();
if (firstNode())
{
mpTag = createReplyTag();
slaveData.append((int &)mpTag);
}
}
void doBroadcast()
{
try
{
unsigned i = 0;
unsigned n;
if (1 == nodeindex)
n = broadcastSlave-1;
else if (broadcastSlave==nodeindex)
n = 0;
else
n = nodeindex-1;
loop {
unsigned t = target(i++,n);
if (t>numnodes)
break;
if (t != broadcastSlave)
{
#ifdef _TRACEBROADCAST
ActPrintLog(activity, "Broadcast node %d Sending to node %d size %d",nodeindex,t,broadcasting.length());
#endif
mptag_t rt = createReplyTag();
broadcasting.setReplyTag(rt); // simulate sendRecv
comm->send(broadcasting, t, mpTag);
CMessageBuffer rMsg;
comm->recv(rMsg, t, rt);
#ifdef _TRACEBROADCAST
ActPrintLog(activity, "Broadcast node %d Sent to node %d size %d received back %d",nodeindex,t,broadcasting.length(),rMsg.length());
#endif
}
}
}
catch (IException *e)
{
ActPrintLog(activity, e, "CBroadcaster::broadcast exception");
throw;
}
#ifdef _TRACEBROADCAST
ActPrintLog(activity, "do broadcast done done");
#endif
}
void init()
{
replyTag = createReplyTag();
}
