/** {@inheritDoc} */
@Override
public void onMessage(GridNioSession ses, HadoopMessage msg) {
notifyListener(ses.<HadoopProcessDescriptor>meta(PROCESS_META), msg);
if (msgQueueLimit > 0) {
GridNioMessageTracker tracker = ses.meta(TRACKER_META);
assert tracker != null : "Missing tracker for limited message queue: " + ses;
tracker.run();
}
}
/** {@inheritDoc} */
@Override
public void onMessageReceived(GridNioSession ses, Object msg) throws IgniteCheckedException {
HadoopProcessDescriptor desc = ses.meta(PROCESS_META);
UUID rmtProcId = desc == null ? null : desc.processId();
if (rmtProcId == null) {
if (!(msg instanceof ProcessHandshakeMessage)) {
log.warning(
"Invalid handshake message received, will close connection [ses="
+ ses
+ ", msg="
+ msg
+ ']');
ses.close();
return;
}
ProcessHandshakeMessage nId = (ProcessHandshakeMessage) msg;
if (log.isDebugEnabled())
log.debug("Received handshake message [ses=" + ses + ", msg=" + msg + ']');
ses.addMeta(PROCESS_META, nId.processDescriptor());
if (!ses.accepted())
// Send handshake reply.
ses.send(locIdMsg);
else {
//
rmtProcId = nId.processDescriptor().processId();
if (log.isDebugEnabled()) log.debug("Finished handshake with remote client: " + ses);
Object sync = locks.tryLock(rmtProcId);
if (sync != null) {
try {
if (clients.get(rmtProcId) == null) {
if (log.isDebugEnabled())
log.debug("Will reuse session for descriptor: " + rmtProcId);
// Handshake finished flag is true.
clients.put(rmtProcId, new HadoopTcpNioCommunicationClient(ses));
} else {
if (log.isDebugEnabled())
log.debug(
"Will not reuse client as another already exists [locProcDesc="
+ locProcDesc
+ ", desc="
+ desc
+ ']');
}
} finally {
locks.unlock(rmtProcId, sync);
}
} else {
if (log.isDebugEnabled())
log.debug(
"Concurrent connection is being established, will not reuse client session ["
+ "locProcDesc="
+ locProcDesc
+ ", desc="
+ desc
+ ']');
}
}
if (log.isDebugEnabled())
log.debug(
"Handshake is finished for session [ses="
+ ses
+ ", locProcDesc="
+ locProcDesc
+ ']');
HandshakeFinish to = ses.meta(HANDSHAKE_FINISH_META);
if (to != null) to.finish();
// Notify session opened (both parties).
proceedSessionOpened(ses);
} else {
if (msgQueueLimit > 0) {
GridNioMessageTracker tracker = ses.meta(TRACKER_META);
if (tracker == null) {
GridNioMessageTracker old =
ses.addMeta(TRACKER_META, tracker = new GridNioMessageTracker(ses, msgQueueLimit));
assert old == null;
}
tracker.onMessageReceived();
}
proceedMessageReceived(ses, msg);
}
}