git-svn-id: https://svn.erp5.org/repos/neo/trunk@2456 71dcc9de-d417-0410-9af5-da40c76e7ee4

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Move startup code to ThreadedPoll class.
Refcount-ish based would be better, so add a TODO (idea: browse existing
connections to see if there are pending responses, preventing thread
shutdown).

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2453 71dcc9de-d417-0410-9af5-da40c76e7ee4

Also, factorise existing checks.

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This is mainly usefull to disable compression.

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This can happen if object creation was transactionally undone, and database
was packed.
Update test.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2440 71dcc9de-d417-0410-9af5-da40c76e7ee4

Also, use getOID to generate tightly consecutive TIDs.

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This requires explicitly collecting garbage if we get disconnected from
primary master.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2436 71dcc9de-d417-0410-9af5-da40c76e7ee4

For future extension.

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Also, improve test (try to break code in tests, don't test unneeded
properties).

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A storage might notify the master after the cluster as fall down to the
verification state.

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This is used by zodbshootout, for example, to only flush storage's cache.

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This should increase process responsiveness when a single _poll call
fetched many packets: as long as packet queue is not empty, no epoll.poll
call was made. This means that outgoing packets were kept in our buffer
until packet queue becomes empty.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2420 71dcc9de-d417-0410-9af5-da40c76e7ee4

Some requests can be safely ignored when received over a closed connection.
This was previously done explicitly in handlers, but it turns out it would
cause a lot of code duplication. Instead, define the policy on a packet
type basis, and apply it to all packets upon reception, before passing it
to handler.
Also, protect request handlers when they respond, as connection might be
closed.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2419 71dcc9de-d417-0410-9af5-da40c76e7ee4

Those responses are implemented using Error packets.

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This change has an important effect on "abort" call in client handler: once
primary master node locked a transaction, a client must not be allowed to
abort it (it already asked to commit).
Also, remove parameter value in abortFor (it is the new default behaviour).
Also, document abort a bit more.

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