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These headers are used by the server code and should not be marked public.
Samba builds against the in-tree version of the headers and should not
be built with externally installed CTDB.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
In the parallel database recovery model, all the database will not remain
frozen at the same time. So relax the condition to check if recovery
is active.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Before setting recovery mode to normal, confirm that all the databases are
recovered by matching the database generation with the global generation.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
CTDB verifies the generation in the packet header matches that of the
current generation. However, that check now needs to be done where
database context is available. So add in the check in handlers for
database requests (CTDB_REQ_CALL, CTDB_REQ_DMASTER, CTDB_REPLY_DMASTER
and CTDB_REPLY_CALL).
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The database generation for each database is updated only during recovery.
After recovery is complete the database generation would be the same as
the global generation.
The database generation is required for parallel database recovery.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
It's possible that the databases can get attached after initial freeze.
This typically happens during startup as CTDB will only attach persistent
databases and go in to startup freeze. During recovery, the recovery
master will attach all the missing databases and then send freeze
controls.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Since the banning code does not call this function anymore, it can be
made static.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Once the node is marked as banned, the recovery daemon on that node will
start freezing the databases anyway. This check happens every second
in recovery daemon, so the delay in freezing the databases on ban would
be a second.
The main reason for freezing databases is to prevent any database access
from samba clients. However, banning code also drops the public IPs
and thus disconnecting the clients. In addition, the generation gets
set to INVALID_GENERATION, thus database record migration requests on
that node will not be processed.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This cascades the global transaction controls to individual database
transaction operations. This ensures that the individual database state
is correctly set when processing global transaction controls.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The same structure is required in new controls for database transactions.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Instead of marking all the databases with priority, mark only the database
which is currently being processed.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This changes the locking behaviour when the databases are frozen.
Instead of a single lock helper locking all databases with a priority,
a lock helper is launched for every database.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
These variables are used for state information related to freezing
databases. Instead use the API functions to check if the databases
are frozen.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Use ctdb->freeze_mode only in ctdb_freeze.c and use the functions to
check if databases are frozen everywhere else.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The pending calls are migration requests received from clients (over unix
domain socket) which are under processing. After a recovery is finished,
any requests which are under processing will be dropped since they do
not belong to the current generation. All the pending call requests
are resent with new generation to restart record migrations.
This is in preparation for parallel database recovery.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This iterator only iterates through databases of specified priority.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This is in preparation of multi-channel connection passing. This commit
should have been part of 1bb46da.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Wed Oct 7 11:29:11 CEST 2015 on sn-devel-104
This turned out to be all that was needed to enable cd to handle multiple
directory levels.
Signed-off-by: Richard Sharpe <rsharpe@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Oct 7 04:16:24 CEST 2015 on sn-devel-104
This is in preperation of connection passing where we have to set
seq_low to the mid from the negprot we've handed over.
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Wed Oct 7 00:54:34 CEST 2015 on sn-devel-104
This is in preparation of connection passing for multichannel where we
have to set seq_low to the mid of the passed negprot.
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Don't test getgrouplist if we do not have it.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11512
Signed-off-by: Tom Schulz <schulz@adi.com>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Tue Oct 6 19:15:22 CEST 2015 on sn-devel-104
ad_pack() in vfs_fruit.c returns false on failure and 0 on success -
i.e. return value is interpreted as success even when it fails.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
Autobuild-User(master): Uri Simchoni <uri@samba.org>
Autobuild-Date(master): Tue Oct 6 16:14:42 CEST 2015 on sn-devel-104
At the same time, avoid chmod in favor of fchmod
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Tue Oct 6 13:12:48 CEST 2015 on sn-devel-104
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Oct 3 03:04:39 CEST 2015 on sn-devel-104
