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Switch on the TDB_VERSION1 flag.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit acb26c9c3ee054c8b2141db25c9bd7be064e425c)
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Switch on the TDB_VERSION1 flag.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 8bc38cb177928ef739440c32e33a8eaf23a5dd22)
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Switch on the TDB_VERSION1 flag.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 08c05da588018c6b76834e57b66d525546643708)
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Switch on the TDB_VERSION1 flag.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 98c754ffe65bc335f66161d6cc8705d4ea2710ec)
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Finally, we gut tdb1_open() to the tdb1-specific parts, and call it
from tdb_open if they specify the TDB_VERSION1 flag or the version is
a TDB1.
We also unify tdb_close(), based on the TDB_VERSION1 flag.
Note that tdb_open(TDB_VERSION1) will fail on an existing tdb if it's
a TDB2.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit c8c3b3568677e8b0105f84e4ab068c580faf4591)
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It also only makes sense with O_CREAT.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit fc44729c471bcdc7ab0410448d991a65e74cec3d)
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This replaces the tdb1_open "hash_size" argument. It will only be
valid when you call tdb_open() with O_CREAT in open_flags, and
TDB_VERSION1 in tdb_flags.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 49475d68deecd0b31597ed6094229171d2699b11)
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This brings it closer to tdb_open(), so we can unify more easily.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit a446f1d4d161d66bbb19ba2551cf6429a4865964)
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We're going to need access to it from tdb1_open, so expose it now.
It's better in hash.c anyway.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit c8f6f8c2dea76042f74c02eff048847e62adcca6)
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This is a percursor to unifying with tdb_open() from tdb2, which handles
this itself.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 97224cbbe29e76522ec38d031c54b1cadce8ae03)
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Finally, we split out the tdb2-specific parts of tdb_context, and put
them into a "tdb2" sub-struct; the tdb1 parts go into a "tdb1"
sub-struct. We get rido of tdb1_context and use tdb_context
everywhere.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit bbeb528e74c0e234e1f724ac8d54be404cfc6f9a)
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There's also a semantic change here: for tdb1, being read-only meant no
locking, and it was an error to try to lock a r/o database. For TDB2, you'd
need to specify TDB_NOLOCK, which suppresses locking silently.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 4dc29a338fadeac805b369b4b0851c02f1b152c7)
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This means converting the tdb1 inbuilt hash functions to the
tdb2-style, so they return 64 bit. We truncate to 32 bit everywhere
but in tdb_check() which needs to do so explicitly.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 3e46dde21261966941469a6c75e1b45cd2d26324)
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In TDB2, the user can override locking functions, so they may
deliberarely fail (eg. be non-blocking) expecting to retry.
For this reason, the TDB2 API requires the caller to cancel the
transaction if tdb_transaction_prepare_commit() fails.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 8458811a4126c22635b974718bfbf2876c893c37)
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The TDB1 code logs multiple times on errors; we must prevent that in
the limited case where locking fails. With TDB2, this can happen due
to the lock function attribute, where the user supplies replacement
locking functions which are allowed to return with errno EAGAIN or
EINTR for various special-effects. Flooding the logs for this is
unfriendly.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit a391b2b900bc6d5c0467869a454bdb5c51b5a3be)
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This means they will use the TDB_ATTRIBUTE_FLOCK functions, and get automatic
reopen support.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit fbad02b680b6cbc33ae305ae1cbcdead4eedc7b1)
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Because tdb2 allows multiple opens of the same TDB, we separate out
the file information from the struct tdb_context. Do the same for
tdb1.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 60210a73ec08a7b34ba637ad19e6749cf6dc1952)
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This will be set for old TDBs; we can start distinguishing paths based
on it now.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 2b50be90a23893a06e0f1436a31d18b97ad0e11d)
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This means getting rid of TDB_VOLATILE (perhaps we should use an
attribute for that?), TDB_INCOMPATIBLE_HASH (use the
tdb_attribute_hash for that) and TDB_CLEAR_IF_FIRST (use the
tdb_attribute_openhook for that).
We also get rid of TDB_DISALLOW_NESTING: that's the default for TDB2.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 22d0e0dc59fc9d7e0046fec6971ef478c2d604fd)
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Rather than leak TDB_INCOMPATIBLE_HASH through to the TDB2 API, we make
it that if they use the tdb1_incompatible_hash function as their hash,
then we treat it as if they had specified the TDB_INCOMPATIBLE_HASH
flag (ie. we mark the header so it's unusable by tdb < 1.2.6).
This precludes the possibility of using TDB_INCOMPATIBLE_HASH with a
custom hash function: that used to allow the user to ensure that old TDB
versions couldn't open the TDB file (and recent ones check the header to
ensure they're using the right hash). But that's a small loss.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 3004f7e89a5978064b4fb29c1027e6d0d39e9418)
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 8a47d50d72ea62e378dc92b150c92c1317c73fa3)
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To do this, we make sure that the first few fields of tdb1_context and
tdb_context are the same.
This sweep also fixes up a few paths where we weren't setting
tdb->ecode before our old logging function.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 919937354a331bb964564a11b5a5b80403ff8db9)
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They're about to start sharing TDB2's definitions.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 1e3138a0ad0c184d2ca49ce7bc47173eb2fe67bd)
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By moving all the parts of struct tdb_context which logging and
locking use to the beginning of the structure, we can make
tdb1_context match, and thus pass that directly to the tdb_logerr()
function, and later the locking functions.
This is only necessary until we unify tdb1_context and tdb_context.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 0fd5be2955f8e6487c0f4ab711e2a6958bb8f412)
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The following patches integrate it together, but from here on we build
it.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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The caller should do this: the SAMBA compatibility later does.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 75a6a6ad64156ef3b13493be2970ae3cb99ccf8b)
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We do this using hooks in tdb2.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 444fade529f68eb2b0aebbc8de442478c5c6f916)
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They'll all be accessed via the tdb2 API.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 39f55294799c6443c0ad7bef09f1c113cf89d295)
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We're going to use TDB2's API, so some TDB1 APIs are obviously unnecessary.
We also get rid of USE_RIGHT_MERGES and TRACE code.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit b929638e3cfe629285af3ecd0813e03eaeaa1133)
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The main change is to s/tdb/tdb1_/ everywhere.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit fab544c24c1ad6523f95893abcaec4e6cce6c2b4)
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Since we've renamed everything in tdb1, they won't clash.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 5d6194b434f3664d1025df12ef06c6a25f693bc8)
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We import the entire codebase, putting a "tdb1_" prefix on the files
and changing the "tdb_" prefix to "tdb1_" everywhere.
The next patches will gradually merge it with the TDB2 code where
necessary.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 19e6c1a250ade1e7204ada17163294855585e825)
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This lets us add the new files to a single place.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 476567430be6962625bf399192e20938985232c7)
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Create an iterator over every open tdb (not internal TDBs). This is
useful for re-establishing the tdb1-style active lock for
CLEAR_IF_FIRST.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 1a0c636bc38213bd0322db47529f78f2dc22ffdd)
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Instead of a per-file linked list, use a per-tdb list. This is needed
for tdb_foreach().
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 2414f261918b4fb8a549dd385dba32118e37bf85)
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This makes it easy to call it again after a fork(), such as for
re-establishing the CLEAR_IF_FIRST files locks.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 937d0babe99dcd315040a9e48430140e63e4a7df)
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It doesn't make a difference unless the tdb2 opens a TDB1 on disk, in
which case tdb1_traverse() takes a write lock on the entire file. By
setting the tdb to read-only first, we simulate the old behaviour.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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You can only unset it if the TDB was originally opened O_RDWR.
Also, cleaned up error handling in tdb_allrecord_lock() so we only get
one log message on a r/o database.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit b87e14495d5b07e1b247218a72329f10ecb3da7f)
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This is more accurate than returning TDB_ERR_EINVAL.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 91436a25574597dbd1fd2de5bcd5826a234100d6)
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It's more consistent with what tdb1 does, and slightly more encapsulated.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 6b7c3c840eafbec211b9f58751c5ff754302a68e)
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Add the ecode arg to all the log functions, and log it.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Since we've deprecated tdb_error() function (and it didn't work right
from inside the logging function anyway, since we didn't set
tdb->ecode yet) we need to hand it to the log function.
(Imported from CCAN commit 6e3d9e8a66bf8b45150500f176452ee8e9ee9927)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Make it the same offset as TDB1. This isn't strictly necessary, but
it would allow for total unification later, since TDB1 and TDB2's
transaction code is otherwise completely compatible.
(Imported from CCAN commit de432e8f857ce23bccde7c6ffa3e7e21456df18b)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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If the caller actually specifies TDB_CONVERT, fail if the TDB does not
need conversion. It's unusual for the user to specify TDB_CONVERT
(it's auto-detected) but better to be strict.
(Imported from CCAN commit 3e3ee8b0c1e77340ab9e8678c2d23646d8cdb627)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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The tdb_oob() function can fail due to errors, as well as because the length
asked for is greater than the size of the file. Clean that up:
(1) If probe is true, only fail if there's an error, not if the length is
too great.
(2) Exit tdb_open() if it tdb_oob() probe fails; this helps cut down
test time for failtest.
(3) Don't set probe to true in tdb_direct() fail; a minor issue, but it means
we log failure.
(Imported from CCAN commit 77658070a3e4f712b94d659b2e399031ce3394c8)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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It can be 64 bits, for huge databases.
(Imported from CCAN commit 736c033322079baf754261d82b6a83de53b2bb4e)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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As noted, failtest was taking a long time, because a failure injected here
was not detected.
(Imported from CCAN commit 51f592dfcda4d58d6b9d8134b6e1aff791dc40f2)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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We use off_t in the tdb2 interface (for tdb_attribute_flock); we need
to make sure that all callers agree on the size.
This also causes a problem in the tests: it's not enough to include
config.h first, we need the _FILE_OFFSET_BITS define from private.h.
Otherwise, we can disagree about the definitions of F_SETLK, F_SETLKW
and off_t, causing strange problems.
(Imported from CCAN commit baa17ee2d5e01a32030f19e566007417d72b4b6e)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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We weren't testing for this, and without it, typesafe_cb just casts
its function argument. This is why I didn't get a warning when one of
my patches amended a function incorrectly.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Tue Sep 13 23:34:13 CEST 2011 on sn-devel-104
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