Strangely, nothing in FileStorage forces a new transaction to start with a
TID higher than previous transaction. Supporting this is required for a
ZODB test to pass, so just do that - with a warning.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1871 71dcc9de-d417-0410-9af5-da40c76e7ee4

If EPOLLERR or EPOLLHUP is asserted, the event will be appended to
readable_fd_list, so it is useless to test their value in the second
test too.

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This should improve scalability when the number of non-client nodes grows.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1868 71dcc9de-d417-0410-9af5-da40c76e7ee4

The __undoLog() method is used by undoLog() and transactionLog() with
different parameters. When a recursive call is made, keep initial arguments
instead of always call as if it was undoLog().

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1867 71dcc9de-d417-0410-9af5-da40c76e7ee4

When called, queued events were using the last peer message id instead of
having the good one on their connection when recalled, so answers made from
queued events was using the wrong message id.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1866 71dcc9de-d417-0410-9af5-da40c76e7ee4

This is not fixed, IdleEvent is not associated to the packet that create it.

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This fixes undo support in client without changing the way replication is
implemented.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1860 71dcc9de-d417-0410-9af5-da40c76e7ee4

Store does not handle conflicts (for reliability, it can only be done once
all store responses are received), so this parameter must go away.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1859 71dcc9de-d417-0410-9af5-da40c76e7ee4

Aborting might happen even before vote is called, wot there might be
pending store responses. Wait for them without doing conflict handling.

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If anything went wrong, an exception must be raised before this point.
And if everything has been fine, oid_list and data_dict.keys() are the
same.

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Reduces the amount of duplicated (or deductible) information in packet
generators and parsers.

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Computation of next TID is now part of master's transaction manager.

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- Allow a fine-grained test suite.
- Avoid shadow internal method definitions.
- Remove some meaningless checks

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This does not add pack support, but merely prepares a place on transaction
description to tell whether it has been packed, along with corresponding
transport (packed definition, handlers, etc).

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1833 71dcc9de-d417-0410-9af5-da40c76e7ee4

Undo fails if any of the following is true:
- cell_list is empty (should never happen, add an assertion for this)
- all connections get a ConnectionClosed exception
- transaction cannot be found in any storage
- an unexpected answer was received (it did not change txn_info)

This fixes the first case, as the test might have received old values from
former executions (which could be neither -1 nor 0) in the same
transaction.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1832 71dcc9de-d417-0410-9af5-da40c76e7ee4