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* gencache: Fix a type-punned warningVolker Lendecke2013-12-161-1/+5
| | | | | | | | 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): Mon Dec 16 17:11:13 CET 2013 on sn-devel-104
* gencache: Avoid a duplicate call to string_term_tdb_dataVolker Lendecke2013-09-091-4/+2
| | | | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org> Autobuild-User(master): Volker Lendecke <vl@samba.org> Autobuild-Date(master): Mon Sep 9 17:02:28 CEST 2013 on sn-devel-104
* lib: Use "mem_ctx" arg in gencache_getVolker Lendecke2013-09-051-10/+14
| | | | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Signed-off-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Thu Sep 5 20:09:21 CEST 2013 on sn-devel-104
* lib: Add a "mem_ctx" arg to gencache_get (unused so far)Volker Lendecke2013-09-051-1/+2
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* gencache: Fix SAFE_FREE vs data_blob_freeVolker Lendecke2013-09-051-2/+2
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* lib: Add "mem_ctx" to gencache_get_data_blobVolker Lendecke2013-09-051-4/+9
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* gencache: Simplify gencache_init a bitVolker Lendecke2013-06-141-13/+16
| | | | | | | Use the implicit cleanup facility CLEAR_IF_FIRST provides Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* s3:lib/gencache: place gencache.tdb into /var/cache/sambaStefan Metzmacher2013-04-031-1/+1
| | | | | | | | | /var/lock/samba is located on tmpfs on newer systems, but we want to keep things like the server affinity cache across reboots. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org>
* gencache: fix an extra newline in a DEBUG message in gencache_set_data_blob()Michael Adam2013-02-191-1/+1
| | | | | | | by using timestring() instead of ctime() Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* gencache: fix an extra newline in a DEBUG message in gencache_iterate_fn()Michael Adam2013-02-191-1/+1
| | | | | | | by using timestring() instead of ctime() Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* gencache: fix an extra newline in a DEBUG message in gencache_iterate_blobs_fn()Michael Adam2013-02-191-1/+1
| | | | | | | by using timestring() instead of ctime() Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* gencache: unify a DEBUG message in gencache_set_data_blob()Michael Adam2013-02-191-2/+3
| | | | | Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* gencache: unify a DEBUG message in gencache_iterate_fn()Michael Adam2013-02-191-1/+1
| | | | | Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* gencache: unify a DEBUG message in gencache_iterate_blobs_fn()Michael Adam2013-02-191-1/+2
| | | | | Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* gencache: unify a DEBUG message in gencache_del()Michael Adam2013-02-191-1/+1
| | | | | Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* s3: Open gencache_notrans with TDB_NOSYNCVolker Lendecke2012-11-281-1/+4
| | | | | | | | | | | | | | | | | | | We are doing CLEAR_IF_FIRST here, and we are doing the transactions only to protect gencache_stabilize against concurrent writers. tdb's transaction.c says: - if TDB_NOSYNC is passed to flags in tdb_open then transactions are still available, but no fsync/msync calls are made. This means we are still proof against a process dying during transaction commit, but not against machine reboot. For gencache_notrans.tdb this is exactly what we want and avoids some expensive disk syncs. Reviewed by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Wed Nov 28 03:13:56 CET 2012 on sn-devel-104
* s3: Avoid some transaction_commit on gencache.tdbVolker Lendecke2012-11-271-0/+110
| | | | | | | Commits are expensive, and in some scenarios we are overwriting existing values again and again. Reviewed by: Jeremy Allison <jra@samba.org>
* TDB2: make SAMBA use tdb1 again for the moment.Rusty Russell2012-06-191-5/+0
| | | | | | | Otherwise the following surgery will break the SAMBA build and testsuite. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb2: tdb_parse_record() returns negative errors, not -1.Rusty Russell2011-06-201-2/+2
| | | | | | | Fixup callers to tdb_parse_record() to be compatible with tdb2. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb2: #ifdef out TDB_ERR_NOLOCK and TDB_ERR_LOCK_TIMEOUT.Rusty Russell2011-06-201-1/+6
| | | | | | | | These don't exist in tdb2. The former is used in one weird place in tdb1, and the latter not at all. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb_compat: use tdb_errorstr_compat()Rusty Russell2011-06-201-6/+6
| | | | | | | | Since TDB2 functions return the error directly, tdb_errorstr() taken an error code, not the tdb as it does in TDB1. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb_traverse/tdb_traverse_read: check returns for negative, not -1.Rusty Russell2011-06-201-1/+1
| | | | | | | | | | | TDB2 returns a negative error number on failure. This is compatible if we always check for < 0 instead of == -1. Also, there's no tdb_traverse_read in TDB2: we don't try to make traverse reliable any more, so there are no write locks anyway. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb_transaction_cancel: ignore return value.Rusty Russell2011-06-201-11/+5
| | | | | | | | | TDB2 returns void here. tdb_transaction_cancel will *always* return with the transaction cancelled, but it will complain via the log function if a transaction wasn't in progress. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb_transaction_commit: check returns for 0, not -1.Rusty Russell2011-06-201-4/+4
| | | | | | | | TDB2 returns a negative error number on failure. This is compatible if we always check for != 0 instead of == -1. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb_delete: check returns for 0, not -1.Rusty Russell2011-06-201-3/+3
| | | | | | | | TDB2 returns a negative error number on failure. This is compatible if we always check for != 0 instead of == -1. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb_fetch_compat: use instead of tdb_fetch.Rusty Russell2011-06-201-1/+1
| | | | | | | This is a noop for tdb1. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* gencache: don't use CLEAR_IF_FIRST as fallback.Rusty Russell2011-04-191-7/+3
| | | | | | | | | | | | CLEAR_IF_FIRST only works if *all* openers use that flag. So just truncate the file: it's racy, but that's what we're doing anyway. We'd really need a TDB_OPENCHECK_OR_CLEAR flag to do this properly (or in TDB2, a open hook at the right point). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* s3: only include tdb headers where needed.Günther Deschner2011-05-061-0/+1
| | | | Guenther
* More const fixes for compiler warnings from the waf build.Jeremy Allison2011-05-051-1/+1
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* s3-includes: only include system/filesys.h when needed.Günther Deschner2011-03-301-0/+1
| | | | Guenther
* s3-includes: only include system/glob.h when needed.Günther Deschner2011-03-301-0/+1
| | | | Guenther
* s3:lib/gencache: fix memory leak in error pathStefan Metzmacher2010-12-221-0/+3
| | | | | | | metze Autobuild-User: Stefan Metzmacher <metze@samba.org> Autobuild-Date: Wed Dec 22 15:08:30 CET 2010 on sn-devel-104
* s3: Add gencache_iterate_blobsVolker Lendecke2010-11-281-57/+87
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* s3: Convert gencache_get_data_blob to gencache_parseVolker Lendecke2010-11-281-59/+38
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* s3: Add gencache_parseVolker Lendecke2010-11-281-0/+59
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* Change to using TDB_INCOMPATIBLE_HASH (the jenkins hash) on allJeremy Allison2010-09-271-4/+4
| | | | | | | | | | TDB_CLEAR_IF_FIRST tdb's. For tdb's like gencache where we open without CLEAR_IF_FIRST and then with CLEAR_IF_FIRST if corrupt this is still safe to use as if opening an existing tdb the new hash will be ignored - it's only used on creating a new tdb not opening an old one. Jeremy.
* s3: Use tdb_transaction_start_nonblock in gencache_stabilizeVolker Lendecke2010-03-281-1/+10
| | | | | This avoids the thundering herd problem when 5000 smbds exit simultaneously because the network went down.
* Revert "s3: Optimize gencache for smbd exit"Volker Lendecke2010-03-281-75/+14
| | | | | | This reverts commit 5ca63676dc59e83ffd9560fdcfa26063f267f283. That does not fully fix the problem, adding a tdb_transaction_start_nonblock to fix it.
* s3: Optimize gencache for smbd exitVolker Lendecke2010-03-241-14/+75
| | | | | | | | If thousands of smbds try to gencache_stabilize at the same time because the network died, all of them might be sitting in transaction_start. Don't do the stabilize transaction if nothing has changed in gencache_notrans.tdb. Volker
* s3: let gencache_init() use tdb_check()Stefan Metzmacher2009-12-071-0/+25
| | | | | | | If the check fails we try to clear the tdb and start with an empty cache. metze
* s3-gencache: restore gencache_get behavior with NULL args (with torture test).Günther Deschner2009-11-021-4/+8
| | | | | | | | | Without this, we panic in wins_srv_is_dead() and fail to start nmbd with wins support. Volker, please check. Guenther
* s3:gencache: Add my copyrightVolker Lendecke2009-09-281-0/+1
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* s3:gencache: Make gencache_del() return success for expired entriesVolker Lendecke2009-09-231-4/+13
| | | | This fixes nasty error messages from "net cache flush"
* s3:gencache: Remove some over-paranoid lockingVolker Lendecke2009-09-231-6/+0
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* s3:gencache: Add a "was_expired" argument to gencache_get_data_blobVolker Lendecke2009-09-231-10/+19
| | | | | This is set to true if the routine returns failure due to an existing but expired entry.
* Consolidate gencache also every 100 writes in a single processVolker Lendecke2009-07-151-0/+14
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* Consolidate string and data_blob routines in gencacheVolker Lendecke2009-07-151-138/+56
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* Make gencache more stableVolker Lendecke2009-07-151-15/+268
| | | | | | | | | | This provides a compromise between stability and performance: gencache is a persistent database these days that for performance reasons can not use tdb transactions for all writes. This patch splits up gencache into gencache.tdb and gencache_notrans.tdb. gencache_notrans is used with CLEAR_IF_FIRST, writes to it don't use transactions. By default every 5 minutes and when a program exits, all entries from _notrans.tdb are transferred to gencache.tdb in one transaction.
* Remove gencache_init/shutdownVolker Lendecke2009-07-151-20/+1
| | | | | gencache_get/set/del/iterate call gencache_init() internally anyway. And we've been very lazy calling gencache_shutdown, so this seems not really required.
* Remove gencache_[un]lock_keyVolker Lendecke2009-07-151-25/+0
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