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This is made to replace the msg_channel abstraction.
msg_channel was created to not miss any messages. For this, some
complex queueing was installed. This complexity has caused quite a
few problems in the past (see bug 10284 for example).
messaging_read_send/recv is able to achieve the same goal with a
lot less complexity. The messaging_read_send atomically installs
the reader into the messaging_context, we will not miss any messages
while this installed. messaging_send_recv will deinstall that
listener, but in the callback function you can directly call
messaging_read_send again without going through the tevent_loop_once.
As long as this is always made sure, no messages will be lost.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
For consistency with request read side.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Mon Jan 20 14:23:10 CET 2014 on sn-devel-104
The socket and request are the only arguments required, the entire
winbind child state structure is not needed.
This allows for the separation of the request and response structures,
which is useful for asynchronous conversion.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
The current code for determining the number of open files iterates
over the session list and for each session it traverses the locking
tdb to get the open files. This scales badly for a large server
with many sessions and open files. Instead, get the list of
sessions first, and then determine the number of open files on all
sessions in a single traversal of locking tdb.
Signed-off-by: Shekhar Amlekar <samlekar@in.ibm.com>
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Jan 18 01:11:32 CET 2014 on sn-devel-104
Introduce helper functions for counting the number of open files on an
array of sessions.
Signed-off-by: Shekhar Amlekar <samlekar@in.ibm.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Just allocate the return value directly. Makes iteration of open files much easier.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
there are broken iconv implementations around (e.g. on AIX) that you
can compile against but that refuse any mapping requests
make sure we do the same as the autoconf-based build did and
fall back to our own code
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10308
Signed-off-by: Christian Ambach <ambi@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is more better than a custom tevent_req destructor.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Jan 17 14:34:06 CET 2014 on sn-devel-104
In tldap_msg_received() we call tevent_req_error() for more than
one request, if we do that we need to use tevent_req_defer_callback()
otherwise we're likely to crash, as a triggered callback may
invalidate our state.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This is more better than a custom tevent_req destructor.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=2191
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Jan 16 20:17:24 CET 2014 on sn-devel-104
This is consistent with the parameter using milliseconds and the other
warnings in the same file also using milliseconds.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu Jan 16 11:19:39 CET 2014 on sn-devel-104
Avoid the parameter lookup for the warning thresholds in the hot code
path by reading them in db_open_ctdb and storing them in the
db_ctdb_ctx.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
We need an indication whether we run into the fcntl thundering
herd. fcntl unlock should be blindingly fast in the normal case. If it
takes longer than 5 milliseconds, warn. The timeout can be adapted by
setting
ctdb:unlock_warn_threshold = <number-of-milliseconds>
Reviewed-by: Christof Schmitt <cs@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
With this patch, the number of fetch_lock attempts before dbwrap_ctdb
logs that it took x attempts to get a record is configurable with
net conf setparm global ctdb:migrate_attempts 10
This patch also adds
net conf setparm global ctdb:migrate_duration 5000
to trigger the same log message if it took longer than x milliseconds
to retrieve a record.
Reviewed-by: Christof Schmitt <cs@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
The Linux CIFS client does not pass an updated atime when a write() is
done. This causes the vfs/glusterfs module to set the atime to -1 on the
Gluster backend, resulting in an atime far in the future (year 2106).
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Reviewed-by: Ira Cooper <ira@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Jan 15 21:31:30 CET 2014 on sn-devel-104
Should fix the DOS clients against 64-bit smbd's bug.
https://bugzilla.samba.org/show_bug.cgi?id=2662
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
We will use this in mapping 64-bit directory offset
cookies to a 32-bit counter.
https://bugzilla.samba.org/show_bug.cgi?id=2662
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This is what gets created in log.smbd: DEBUGLVL generates an empty
header line, CHECK_DEBUGLVL avoids this.
[2014/01/10 12:58:24.971658, 10, pid=2329, effective(1001, 1001), real(0, 0)] ../source3/smbd/smbXsrv_open.c:696(smbXsrv_open_global_store)
[2014/01/10 12:58:24.971690, 10, pid=2329, effective(1001, 1001), real(0, 0)] ../source3/smbd/smbXsrv_open.c:698(smbXsrv_open_global_store)
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): Wed Jan 15 04:02:58 CET 2014 on sn-devel-104
When the native os in sessionsetup is "Unix" then broken Konica Minolta
printers refuse to talk to those CIFS servers. Other CIFS servers also announce
themselves with native os Windows. Let's do the same to improve
interoperability with broken devices like those printers from Konica Minolta.
Thanks to Daniel Hoffmann for finding and reporting this Konika printer
brokenness.
https://bugzilla.samba.org/show_bug.cgi?id=10168
Signed-off-by: Bjoern Jacke <bj@sernet.de>
Reviewed-by: Jeremy Allison <jra@samba.org>
smbcontrol registers for MSG_SMB_NUM_CHILDREN response messages before
sending a MSG_SMB_TELL_NUM_CHILDREN request.
The same MSG_SMB_NUM_CHILDREN response message should be deregistered.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Christof Schmit <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This fixes a bug in dfs_samba4 identified by Daniel Müller.
create_conn_struct calls SMB_VFS_CONNECT which requires root privileges.
SMB_VFS_CONNECT in turn calls dfs_samba4_connect which connects to samdb.
Calls were made to this function without ever becoming root (notably via setup_dfs_referral)
which resulted in an error and the VFS connect failing. This happens when you have an active
directory domain controller with host msdfs = yes in smb.conf and dfs links in place.
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Bjoern Baumbach <bb@sernet.de>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jan 10 20:11:03 CET 2014 on sn-devel-104
Immediate tevents don't free themselves as timed events do :-)
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): Fri Jan 10 01:20:04 CET 2014 on sn-devel-104
... not as a speed improvement, it saves the second NULL check
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We have to properly throw away unexpected messages that came in via ctdb
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Jan 9 22:35:25 CET 2014 on sn-devel-104
The gpfs_set_times API call allows setting timestamps directly in GPFS
without going through the utime() call. Using this API call fixes an
unecessary oplock break when a client sends a SET_FILE_ALLOCATION_INFO
request and no other client has opened the file. The call to utime()
triggers the oplock break through the Linux kernel. Using the
gpfs_set_times call for updating the timestamp avoids the call to
utime() and the oplock break.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Christof Schmitt <cs@samba.org>
Autobuild-Date(master): Thu Jan 9 00:04:48 CET 2014 on sn-devel-104
Ensure it only gets called when a new domain is allocated
and added to the list.
This should fix problems with the previous logic where
setup_domain_child() was called in places where an existing
domain was returned.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=10358
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Jan 8 20:46:55 CET 2014 on sn-devel-104
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Jan 7 18:52:42 CET 2014 on sn-devel-104
