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this is not optimized at all and copies/merges all records between
databases instead of only those records for which a certain node is
lmaster. (step 7 should later be enhanced to a, delete the database,
push only those records for which the node is lmaster)
(This used to be ctdb commit 509d2c71169e96a8610f9db91293dc7a73c2cc10)
attach to databases after the protocol has started. The daemon
broadcasts information on new databases to the other daemons.
This also eliminates the need for the client to know about the hash
between db name and db_id.
(This used to be ctdb commit 3bad91a9d987d4c09fe3322eac23c2733660ad08)
for 2 days.
The main bug was in smbd, but there was a secondary (and more subtle)
bug in ctdb that the bug in smbd exposed. When we get send a dmaster
reply, we have to correctly update the dmaster in the recipient even
if the original requst has timed out, otherwise ctdbd can get into a
loop fighting over who will handle a key.
This patch also cleans up the packet allocation, and makes ctdbd
become a real daemon.
(This used to be ctdb commit 59405e59ef522b97d8e20e4b14310a217141ac7c)
while recovery is in progress the daemon will discard all CTDB_REQ_CALL
and rely on clients retransmitting them
add new controls to get/set the recovery mode
(This used to be ctdb commit 41458a61577885ac49150f830e92e93e634c5411)
it does not yet work since ctdb_control can right now only be called
from client context and the pull is implemented as the target ctdb node
itself using a get_keys to pull the keys from the source node thus
ctdb daemon needs to ctdb_control to a remote node
(This used to be ctdb commit a55c7c64b4ff87f54b90649c9f469b1ff36dc9ea)
CTDB_FLAG_TORTURE, which forces some race conditions to be much more
likely. For example a 20% chance of not getting the lock on the
first try in the daemon
- abstraced the ctdb_ltdb_lock_fetch_requeue() code to allow it to
work with both inter-node packets and client->daemon packets
- fixed a bug left over in ctdb_call from when the client updated the
header on a call reply
- removed CTDB_FLAG_CONNECT_WAIT flag (not needed any more)
(This used to be ctdb commit 7559dcd184666c3853127e3c8f5baef4fea327c4)
version. The client version is different enough that this is
worthwhile
- enable local shortcut for client version of ctdb_call
- add idr_find_type(), with better error reporting in case of type
mismatch
(This used to be ctdb commit 2388094c5f7b6ce003e86b05620c06217d63b49c)
code. It may be added back later once everything is working nicely,
or simulated using a in-process pipe instead of a unix domain socket
- rewrote the ctdb_fetch_lock() code to follow the new design
(This used to be ctdb commit 5024dd1f305fe1ecc262db2240c56f773b4f28f0)
change ctdb_client_fetch_lock to return a status code instead of a record handle and make it unconditionally fill in data.
change ctdb_client_store_unlock to take ctdb_db and key as arguments instead of a record handle
update the ctdb_fetch.c test to use the clientside helpers for fetching and storing data
(This used to be ctdb commit 22d5d40375e0135916c97945646f94119612615d)
no locking is yet done and the store_unlock call is still missing
the ./tests/fetch.sh --daemon test fails with parent process dying which needs to be investigated.
(This used to be ctdb commit 7d7141c968950a8856f1be79871932b688bfb07f)
- split client specific routines out of ctdb_daemon.c
- use ctdb_queue code in message send from client to daemon
- use clearer names in client/daemon functions
- use talloc autofree context to avoid global for unlink of socket on
exit
- start on API change for message handler, to allow ctdb messaging to
handle daemon mode with multiple clients
(This used to be ctdb commit 53555db45f3583ae4a32cc3aa9e07fb8ef2a77e3)
we can no longer use this function from the application if we are in daemon mode.
add a horrible "sleep()" to ctdb_test.c to prevent the daemon from dissapearing (parent process died) when the application exits which may happen before the other nodes in the test have finished talking to our daemon
(This used to be ctdb commit 74d35dafe06d71e755f3a58cc58d4b9b56fc821b)
send the correct structure back to a client
assorted other cleanups
(tests/test1.sh now works in daemon mode)
(This used to be ctdb commit f4593754cab750dfdb9384884502e2e1b8fde1f0)
- added --self-connect option to ctdb_test, allowing testing when a
node connects to itself. not as efficient as local bypass, but very
useful for testing purposes (easier to work with 1 task in gdb than
2)
- split the ctdb_call() into an async triple, in the style of Samba4
async functions. So we now have ctdb_call_send(), ctdb_call_recv()
and ctdb_call().
- added the main ctdb_call protocol logic. No error checking yet, but
seems to work for simple cases
- ensure we initialise the length argument to getsockopt()
(This used to be ctdb commit 95fad717ef5ab93be3603aa11d2878876fe868d3)
