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When notifyd is restarted, the parent will broadcast that fact to all workers.
They will then re-register their notify requests.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
When notifyd crashes, it will be restarted. We need to restore the filters with
notifyd
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This protection right now lives in notify_msg.c with the notify_list, but that
will go.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We do not have different callbacks per notify, put the callback function into
the notify context
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The array is uint16, doubling the file name length consumes twice the space
required.
As we're hand assembling this as a series of concatinated individual data_blobs,
we must take care to ensure the correct 4 byte alignment that was
being masked by the previous doubling of the filename length.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10634
Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sun Oct 18 01:56:41 CEST 2015 on sn-devel-104
notify_msg won't need to construct the path anymore, it will be able to
put the parts into iovecs
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): Tue Dec 16 21:22:26 CET 2014 on sn-devel-104
Based on a patch idea from Ken Harris <kharris@mathworks.com>
Fixes bug 10798 - crash in source3/smbd/notify.c
https://bugzilla.samba.org/show_bug.cgi?id=10798
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ira Cooper <ira@samba.org>
This will fix the raw.notify test with the new messaging system. With the new
messaging system messages come in via yet another fd that has to line up in
poll next to the incoming client TCP socket. With the signal-based messaging
messages were always handled before client requests. The new scheme means that
notify messages might be deferred a bit (something which can happen in a
cluster already now), which then means that notify_marshall_changes() will
coalesce entries, which in turn makes raw.notify unhappy.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
In a cluster and with changed messaging it can happen that messages are
scheduled after new SMB requests. This re-ordering breaks a few notify tests.
This starts the infrastructure to add timestamps to notify events, so that they
can be sorted before they are sent out. The timestamp will be the current local
time of notify_fname, that's all we can do.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We use this in other places too and it's better than a hardcoded value.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Yes, this looks like a hack, but talloc_asprintf does show up high in
profiles called from these routines
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
From notify_internal.c:
/*
* The notify database is split up into two databases: One
* relatively static index db and the real notify db with the
* volatile entries.
*/
This change is necessary to make notify scale better in a cluster
This removes a dependency on "struct notify_entry" and makes the nature of the
API more explicit. We depend upon the VFS module to mask out elements from
e->filter and e->subdir_filter that it took over to handle.
Autobuild-User: Volker Lendecke <vl@samba.org>
Autobuild-Date: Mon Mar 26 17:45:44 CEST 2012 on sn-devel-104
We only need one notify_ctx per smbd. The notify_array can become quite large.
It's based on absolute paths, so there's no point in having a copy of the
complete array in memory multiple times.
Autobuild-User: Volker Lendecke <vl@samba.org>
Autobuild-Date: Wed Mar 21 14:26:07 CET 2012 on sn-devel-104
MS-CIFS section 2.2.7.4.2 states this is mandatory. WinXP clients
don't seem to care, but a Win7 client will send an immediate Close()
to the directory handle when receiving an incorrectly aligned
change notify response.
