public override Task process(WatchedEvent @event)
{
lock (this) {
if (@event.getState() == Event.KeeperState.SyncConnected ||
@event.getState() == Event.KeeperState.ConnectedReadOnly)
{
Monitor.PulseAll(this);
clientConnected.Set();
}
else
{
Monitor.PulseAll(this);
}
}
return(CompletedTask);
}
private void queueEvent(WatchedEvent @event)
{
if (@event.get_Type() == Watcher.Event.EventType.None &&
sessionState.Value == @event.getState())
{
return;
}
sessionState.Value = @event.getState();
// materialize the watchers based on the event
WatcherSetEventPair pair = new WatcherSetEventPair(
watcher.materialize(@event.getState(), @event.get_Type(),
@event.getPath()), @event);
// queue the pair (watch set & event) for later processing
waitingEvents.Enqueue(pair);
waitingEventsSignal.Set();
}
public override Task process(WatchedEvent @event)
{
return(CompletedTask);
// nada
}
internal void readResponse(ByteBuffer incomingBuffer)
{
BigEndianBinaryReader bbis = new BigEndianBinaryReader(incomingBuffer.Stream);
BinaryInputArchive bbia = BinaryInputArchive.getArchive(bbis);
ReplyHeader replyHdr = new ReplyHeader();
((Record)replyHdr).deserialize(bbia, "header");
if (replyHdr.getXid() == -2)
{
// -2 is the xid for pings
if (LOG.isDebugEnabled())
{
LOG.debug("Got ping response for sessionid: 0x" + sessionId.ToHexString() + " after " +
((TimeHelper.ElapsedNanoseconds - lastPingSentNs) / 1000000) + "ms");
}
return;
}
if (replyHdr.getXid() == -4)
{
// -4 is the xid for AuthPacket
if (replyHdr.getErr() == (int)KeeperException.Code.AUTHFAILED)
{
state.Value = ZooKeeper.States.AUTH_FAILED;
queueEvent(new WatchedEvent(Watcher.Event.EventType.None,
Watcher.Event.KeeperState.AuthFailed, null));
}
if (LOG.isDebugEnabled())
{
LOG.debug("Got auth sessionid:0x"
+ sessionId.ToHexString());
}
return;
}
if (replyHdr.getXid() == -1)
{
// -1 means notification
if (LOG.isDebugEnabled())
{
LOG.debug("Got notification sessionid:0x"
+ sessionId.ToHexString());
}
WatcherEvent @event = new WatcherEvent();
((Record)@event).deserialize(bbia, "response");
// convert from a server path to a client path
if (chrootPath != null)
{
string serverPath = @event.getPath();
if (serverPath == chrootPath)
{
@event.setPath("/");
}
else if (serverPath.Length > chrootPath.Length)
{
@event.setPath(serverPath.Substring(chrootPath.Length));
}
else
{
LOG.warn("Got server path " + @event.getPath()
+ " which is too short for chroot path "
+ chrootPath);
}
}
WatchedEvent we = new WatchedEvent(@event);
if (LOG.isDebugEnabled())
{
LOG.debug("Got " + we + " for sessionid 0x" + sessionId.ToHexString());
}
queueEvent(we);
return;
}
Packet packet;
lock (pendingQueue) {
if (pendingQueue.size() == 0)
{
throw new IOException("Nothing in the queue, but got "
+ replyHdr.getXid());
}
packet = pendingQueue.First.Value;
pendingQueue.RemoveFirst();
}
/*
* Since requests are processed in order, we better get a response
* to the first request!
*/
try {
if (packet.requestHeader.getXid() != replyHdr.getXid())
{
packet.replyHeader.setErr((int)KeeperException.Code.CONNECTIONLOSS);
throw new IOException("Xid out of order. Got Xid "
+ replyHdr.getXid() + " with err "
+ +replyHdr.getErr() + " expected Xid "
+ packet.requestHeader.getXid()
+ " for a packet with details: " + packet);
}
packet.replyHeader.setXid(replyHdr.getXid());
packet.replyHeader.setErr(replyHdr.getErr());
packet.replyHeader.setZxid(replyHdr.getZxid());
if (replyHdr.getZxid() > 0)
{
lastZxid.Value = replyHdr.getZxid();
}
if (packet.response != null && replyHdr.getErr() == 0)
{
packet.response.deserialize(bbia, "response");
}
if (LOG.isDebugEnabled())
{
LOG.debug("Reading reply sessionid:0x" + sessionId.ToHexString() + ", packet:: " +
packet);
}
}
finally {
finishPacket(packet);
}
}
public WatcherSetEventPair(HashSet <Watcher> watchers, WatchedEvent @event)
{
this.watchers = watchers;
this.@event = @event;
}
/// <summary> /// Processes the specified event. /// </summary> /// <param name="event">The event.</param> /// <returns></returns> public abstract Task process(WatchedEvent @event);
public override Task process(WatchedEvent @event)
{
return(processor(@event));
}
//-------------------------------------------------------------------------
public override Task process(org.apache.zookeeper.WatchedEvent @event)
{
return(TaskDone.Done);
}
