observed after the last subscriber of a matching distributed object has
been removed. Our client's subscription will not be flushed until after
the delay has expired, and only then if no other subscriber has come along
requesting the object in the meanwhile.
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applied immediately on the authoritative copy of the object (the one on
the server). We already do this for all other object modifications (except
OidList which is kind of special anyway), but we should be wary of
potential wickosity.
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processing invocation units. It needs a timer with much finer granularity
than one millisecond to be useful.
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subscriber so that we don't hand them out as happily proxied objects to
subsequent subscribers that might come along before we receive our unsub
ack. We do still maintain non-acked objects in a dead table so that we
know when to warn about undispatchable events and when to ignore them.
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warning messages saying that we couldn't deliver events on the client that
come in after all client-side subscribers have been removed.
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init() also provides immediate feedback re: the server starting up and a
timestamp in the log against which subsequent action timeliness may be
weighed. I suspect mdb will decide this is better off residing in the
Yohoho-specific server and outputting to something like the server state
audit log, but I like it here and so I've forged ahead. If this does get
the axe, I still claim that logging "Server starting up..." as the first
business in init() is useful and desirable.
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wide variety of fucked up situations that might occur:
- Client authenticates and disconnects before their client object is
resolved.
- Client authenticates and requests to end their session before their
client is resolved.
- Client does one of the two previous actions and then attempts to
reestablish a session before the client object is resolved from their
first connection attempt.
- Client establishes a session in any of the previous or a normal
circumstance but their client object fails to resolve.
Goddamned distributed programming, race-condition cluster fuck, strange
shit happening once in a blue moon business.
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hand-serialization code for fields which are now handled automatically.
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user's session if their client object is not yet resolved. When it does,
their session will be "started" for the first time and everything will
work itself out.
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more than once. Use testAndAddEqual() where appropriate now that
testAndAdd() doesn't use object equality.
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unregistered. Flush invocation listener mappings after an expiry period if
they were not already removed by virtue of receiving a response.
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being able to send a message immediately to the client due to it being too
large or the client's outgoing networking buffer being full for some other
reason (many messages sent very quickly or client that's reading messages
slowly).
I still need to add code to disconnect a client who fails to read messages
in a sufficiently timely manner.
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call super.sessionDidEnd() and still do things with the client object at
the termination of the session.
Also removed the passing of the client object to sessionConnectionClosed()
because it's still possible that it won't be avaiable when that method is
called and whatever is being done there should also be done in
sessionDidEnd() if it is to work when the user ends their session as well
as when they disconnect.
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because it will have been cleared out of _clobj by the time said method is
called if it is called as a part of a terminated session.
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Ray Greenwell