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This groups function prototypes for common client/server functions in
common/common.h and removes them from ctdb_private.h.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Instead of includes.h, include the required header files explicitly.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This groups function prototypes for system specific functions in
common/system.h and removes them from ctdb_private.h.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Signed-off-by: Michael Adam <obnox at samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Sat Jun 27 13:20:18 CEST 2015 on sn-devel-104
Every time a nodemap is contructed the node IP addresses all need to
be parsed. This isn't very productive use of CPU.
Instead, parse each string once when the nodes file is loaded. This
results in much simpler code.
This code also removes the use of ctdb_address. Duplicating the port
is pointless without an abstraction layer around ctdb_address. If
CTDB gets an incompatible transport in the future then add an
abstraction layer.
Note that the infiniband code is not updated. Compilation of the
infiniband code is already broken. Fixing it will be a separate,
properly tested effort.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Having it require a CTDB context stops ctdb_parse_address() from being
used in more generic code. Just use the existing talloc context for
memory allocations.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Before storing node IP address, convert into the correct abbreviated
string form for IPv6 addresses.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Seeing these with -Wall:
../server/ctdb_call.c:1117:3: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
record_flags = *(uint32_t *)&c->data[c->keylen + c->datalen];
^
memcpy() seems to be the easiest way to get fix these. The
alternative would be to use unmarshalling functions.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Copy these values onto the stack instead. INET6_ADDRSTRLEN is 46, so
64 is plenty for an IP address and a port number.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This code is only executed in child processes, so aborting does not
really achieve much.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
When calling sched_setscheduler() with SCHED_OTHER, the only valid
priority is 0. Nice value is "restored" anyway.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit c700dd0c7b6b43b61b3e231643b5d7cbe2f9592a)
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit c0bb147ca09e82019b05ec22995623cffc3184e2)
This is like ctdb_fatal() but exits cleanly without dumping core or
generating a backtrace.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit c0a9456692c88a7a5542cd893d8f326524d3f94e)
This adds more serialisation to the startup, ensuring that the
"startup" event runs after everything to do with the first recovery
(including the "recovered" event).
Given that it now takes longer to get to the "startup" state, the
initscript needs to wait until ctdbd gets to "first_recovery".
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit ed6814ff0a59ddbb1c1b3128b505380f60d7aeb7)
This allows states, including startup and shutdown states, to be
clearly tracked. This doesn't include regular runtime "states", which
are handled by node flags.
Introduce new functions ctdb_set_runstate(), runstate_to_string() and
runstate_from_string().
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 8076773a9924dcf8aff16f7d96b2b9ac383ecc28)
We've seen this function report "Unknown family, 0" and then CTDB
disappeared without a trace. If we can reproduce it then this might
help us to debug it.
The idea is that you do something like the following in /etc/sysconfig/ctdb:
export CTDB_EXTERNAL_TRACE="/etc/ctdb/config/gcore_trace.sh"
When we hit this error than we call out to gcore to get a core file so
we can do forensics. This might block CTDB for a few seconds.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 7895bc003f087ab2f3181df3c464386f59bfcc39)
Thanks to Ronnie for highlighting the issue of memory lockdown on AIX.
Fix typo, use getuid and not getpid.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 21a5cbf9518fafc610939f14874371a52b1dc8b3)
Wrap all creation of child processes inside ctdb_fork() which is used to track all processes we have spawned.
Capture SIGCHLD to track also which child processes have terminated.
Wrap kill() inside ctdb_kill() and make sure that we never send a !0 signal to a child process pid that has already terminated (and might have been replaced with a
(This used to be ctdb commit f73a4b1495830bcdd094a93732a89dd53b3c2f78)
