Also, only check if connector is opened when needed, and use new "isClosed"
method on connection.

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Those events are not purged at disconnection, ignore them here.

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"was_connected" actually meant "was_not_connected". To avoid using a
negation in variable name, fix its use and values it's set to.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2022 71dcc9de-d417-0410-9af5-da40c76e7ee4

Such node might have died between connection establishment and answering
identification message, possibly causing ECONNRESET.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2021 71dcc9de-d417-0410-9af5-da40c76e7ee4

Cleanup actions are only appropriate if such exception happens in receive/
send, so it should not be applied to other possible sources of exceptions.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2020 71dcc9de-d417-0410-9af5-da40c76e7ee4

Any exception triggered by low-level code should cause a log and
connection closure before being propagated.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2019 71dcc9de-d417-0410-9af5-da40c76e7ee4

- dump() values
- include oid

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Fixes the following scenario (committing an object):
2 storage nodes: S1 and S2
1 replicas
- store in S1 (1)
- store in S2 (2)
- S1 answers (1) with a conflict
- client resolves the conflict, and sends to S1 (3) and S2 (4)
- S1 answers (3) with ok
- S2 answers (2) with a conflict

Old code raises because object store counter was not 0 on an object for
which a conflict was reported.
New code ignores answers notifying of a conflict if given serial is the
already-resolved conflict.
Split & extend existing tests.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2015 71dcc9de-d417-0410-9af5-da40c76e7ee4

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There are 2 distinct kinds of timeout events:
- an unresponsive node
  This is a connection-level timeout.
  This is handled by the Timeout class, triggering pings and monitoring
  incoming data to decide when remote node is considered dead.
- a "too long" processing from an otherwise responsive node
  This is a per-request timeout.
  This is handled by the HandlerSwitcher class, triggering only
  disconnections when an answer takes too long to arrive (historical
  behaviour, not so useful when exchanging with a single-threaded peer).

Previous implementation mixed both, and had shortcomings (ping would
timeout almost immediately, it was not possible to tell which message
caused a timeout).

Update tests.

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This code appeared obscure upon second read, so I document it.

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Typical case:

- Handler H1 is set
- Send request R1
- Request switch to handler H2 (delayed)
- Request switch to handler H3 (delayed)
- Receive answer A1
- H2 must be discarded and H3 applied on the connection

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1994 71dcc9de-d417-0410-9af5-da40c76e7ee4

- Store None values as NULL column values
- Raise KeyError if the configuration entry is not found

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git-svn-id: https://svn.erp5.org/repos/neo/trunk@1992 71dcc9de-d417-0410-9af5-da40c76e7ee4

Remove admin's app.ptid attribute, use pt.load() and pt.update() instead
of copy/paste the code.

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