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This should not happen anywhere, but it clears the expectation of the
caller and simplifies the error handling there.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
These calls are used to check whether an IP address is static to the
host, or whether it could be migrated by ctdb.
Combine the calls into a simple ctdbd_public_ip_foreach(cb) function,
which avoids the need to expose struct ctdb_public_ip_list_old.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Oct 14 12:29:56 UTC 2020 on sn-devel-184
These will be used in the multi channel code in order to handle
public ip addresses, which can move arround ctdb nodes.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11898
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Nobody set them, only the destructor referenced them
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Tue Apr 28 10:46:22 UTC 2020 on sn-devel-184
Preparation for generic ctdb_req_send/recv: No need to expose
ctdbd_next_reqid(), do basic preparations of a ctdb_req_header
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
The types are deliberately distinct, but nwritten is >0 or ==-1, so
this should be okay.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
A cstatus != 0 or a data.dsize != sizeof(uint32_t)
does not guarantee to have no received data referenced by data.dptr.
Therefore, make sure data.dptr is free'd.
Signed-off-by: Swen Schillig <swen@linux.ibm.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
A cstatus != 0 does not guarantee to have no received data
referenced by rdata.dptr.
Therefore, make sure rdata.dptr is free'd.
Signed-off-by: Swen Schillig <swen@linux.ibm.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
A cstatus != 0 does not guarantee to have no received data
referenced by outdata.dptr.
Therefore, make sure outdata.dptr is free'd.
Signed-off-by: Swen Schillig <swen@linux.ibm.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
ctdb_pkt_recv_recv() and ctdb_read_packet() give us a non-null hdr on
success, so drop the error path check in favour of an assert.
This fixes a regression in 3913b9a408,
where tevent_req_error() may be skipped in the ctdbd_parse_done()
ctdb_pkt_recv_recv() error path.
Reported-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Noel Power <npower@samba.org>
Autobuild-User(master): Noel Power <npower@samba.org>
Autobuild-Date(master): Wed Sep 4 14:20:16 UTC 2019 on sn-devel-184
Fixes:
source3/lib/ctdbd_conn.c:1953:6: warning: Access to field 'operation' results in a dereference of a null pointer (loaded from variable 'hdr') <--[clang]
if (hdr->operation != CTDB_REPLY_CALL) {
^~~
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Gary Lockyer <gary@samba.org>
Autobuild-Date(master): Wed Jul 24 22:50:27 UTC 2019 on sn-devel-184
Fixes:
source3/lib/ctdbd_conn.c:1066:3: warning: 3rd function call argument is an uninitialized value <--[clang]
DEBUG(0,("ctdbd_control failed: %s, %d\n", strerror(ret),
^
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Fixes:
source3/lib/ctdbd_conn.c:415:6: warning: Access to field 'operation' results in a dereference of a null pointer (loaded from variable 'hdr') <--[clang]
if (hdr->operation == CTDB_REQ_MESSAGE) {
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Seeing:
ctdb_read_packet failed: Cannot allocate memory
[..., 0] ../source3/lib/ctdbd_conn.c:121(cluster_fatal)
cluster fatal event: ctdbd died
The error is due to a memory allocation failure rather than ctdbd
dying. However, the error message makes people wonder why ctdbd died.
Another alternative would be to wrap cluster_fatal() and have the
wrapper interpret the return value from ctdb_read_packet() to choose
from a set of more precise messages to pass to cluster_fatal(). For a
memory allocation it isn't strictly necessary to call cluster_fatal(),
but all is probably lost and it is still probably better to try to
exit cleanly as soon as possible instead of crashing somewhere.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Fri Oct 5 16:16:29 CEST 2018 on sn-devel-144
Probably a copy/paste mistake. Detected by a failing autobuild on
sn-devel and a local make test:
Build failed: default/examples/libsmbclient/testbrowse2: Symbol
tevent_req_is_unix_error linked in multiple libraries
['samba-cluster-support', 'tevent-util']
UNEXPECTED(failure): wafsamba.duplicate_symbols.duplicate_symbols(none)
Wonder why this didn't fail before in autobuild.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Jul 4 01:19:50 CEST 2018 on sn-devel-144
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Mon Nov 27 04:51:59 CET 2017 on sn-devel-144
Also check the unique ID for remote server ids, just like we do for
local server ids
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13042
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue Sep 26 13:47:31 CEST 2017 on sn-devel-144
This prepares the same logic we've implemented in messages_dgm for clustering
that is used in 6d3c064f1a: We need to reply for messages from ctdb in nested
event contexts properly.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
ctdbd_db_attach() only needs to know the ctdb database model, not the
rest of the flags.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12891
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
ctdb_private is much broader. Right now we implement the protocol
ourselves. In the future, we might switch to the native ctdb
client implementation defined in ctdb_client.h, but that's a
different project :-)
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 Jun 24 05:33:41 CEST 2017 on sn-devel-144
clang had complained with
../source3/lib/ctdbd_conn.c:1784:34: warning: variable 'send_state' used in loop condition
not modified in loop body [-Wfor-loop-analysis]
for (send_state = c->send_list; send_state != NULL;) {
^~~~~~~~~~
../source3/lib/ctdbd_conn.c:1791:34: warning: variable 'recv_state' used in loop condition
not modified in loop body [-Wfor-loop-analysis]
for (recv_state = c->recv_list; recv_state != NULL;) {
^~~~~~~~~~
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Sat Jun 10 03:33:13 CEST 2017 on sn-devel-144
Implement the ctdb packet layer for async parse send/recv with tevent.
ctdbd_setup_fde() will is used to create an fde from the
connection fd and will be called from dbwrap_ctdb.
ctdbd_parse_send() and ctdbd_parse_recv() will be used by dbwrap_ctdb
for async packet sending and receiving.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Avoid potential crash in TALLOC_FREE(hdr).
Signed-off-by: Ralph Wuerthner <ralph.wuerthner@de.ibm.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Split ctdbd_init_connection() into an internal function that does the
connection setup and only keep the conn object allocation in
ctdbd_init_connection().
This is in preperation of adding ctdbd_reinit_connection() which will
use the new internal function as well.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
CTDB can send CTDB_REPLY_ERROR in case it encounters an error condition.
This is treated as successful migration as "ret" is not set.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Fri Jun 24 22:39:23 CEST 2016 on sn-devel-144
If the node has flag NODE_FLAGS_PERMANENTLY_DISABLED, then it is
still working. Only avoid connections if node has any of the flags
in NODE_FLAGS_INACTIVE.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu Jun 23 23:38:44 CEST 2016 on sn-devel-144
Previously it was used in ctdb_traverse(), but with ff72a8a this is no longer
the case
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
