Commit Graph

1080 Commits

Author SHA1 Message Date
Oswald Buddenhagen
2bbd07ec87 adjust comments to new reality 2013-12-11 16:29:34 +01:00
Oswald Buddenhagen
5a21042e98 ensure sequencing of message propagation and store closing
by putting the message propagation last, d3f634702 uncovered a
long-standing problem: we might have closed the source store before all
messages were propagated from it.
2013-12-11 16:29:33 +01:00
Oswald Buddenhagen
c47ee1c8c4 fix error paths wrt sync drivers, take 3
msgs_copied() was not checked at all, and msgs_flags_set() was doing it
wrong (sync_close() was not checked).

instead of trying to fix/extend the msgs_flags_set() model (ref-counting
and cancelation checking in lower-level functions, and return values to
propagate the status), place the refs/derefs around higher-level scopes
and do the checking only there. this is effectively simpler, and does
away with some obscure macros.
2013-12-11 16:29:33 +01:00
Oswald Buddenhagen
2f0fbcd306 don't use UID EXPUNGE unless trashing
a simple CLOSE is way more efficient, so use it if no adverse effects
can come from it.
2013-12-11 16:29:33 +01:00
Oswald Buddenhagen
03b3b566f1 reshuffle sources a bit
split header and move some code to more logical places.
2013-12-08 23:19:12 +01:00
Oswald Buddenhagen
92b892d247 tag verbose output when channel links two verbose stores
otherwise it's pure guesswork to assign the output to particular stores.
2013-12-08 23:14:34 +01:00
Oswald Buddenhagen
27fa63a577 move verbose socket logging out of socket driver
the way it's used, it's more of a high-level function.
2013-12-08 23:14:34 +01:00
Oswald Buddenhagen
0b32734693 remove own_store() function from driver model
the drivers which support it can abstract it inside open_store() just
fine.
2013-12-08 23:14:34 +01:00
Oswald Buddenhagen
2cb483fb2e make use of IMAP MOVE extension
the Maildir driver is always exposing behavior equivalent to this - it's
more efficient.
2013-12-08 23:14:34 +01:00
Oswald Buddenhagen
0ad8ef80b2 don't check for INBOX more than necessary 2013-12-08 11:12:18 +01:00
Oswald Buddenhagen
c293acaf24 fix listing of nested maildir mailboxes 2013-12-08 11:12:18 +01:00
Oswald Buddenhagen
cf0f32f800 allow prefixes to Patterns
this makes it possible to "rename" a "namespace" while syncing.
2013-12-08 11:12:18 +01:00
Oswald Buddenhagen
6c6ad9710c less spaghetti 2013-12-08 11:12:18 +01:00
Oswald Buddenhagen
decc33c2cf factor out sync_listed_boxes() 2013-12-08 11:12:18 +01:00
Oswald Buddenhagen
f485d69332 refuse box list overrides if Channel has no Patterns
as the named boxes are the same on both sides, they logically make
sense only when the channel is in that mode anyway, which is the case
when using patterns.
2013-12-08 11:12:17 +01:00
Oswald Buddenhagen
c6f08b8f17 treat manually specified box list the same as one coming from Patterns 2013-12-08 11:12:17 +01:00
Oswald Buddenhagen
540adbb8fd make host resolution error messages more useful in non-ipv6 builds 2013-12-08 11:12:10 +01:00
Oswald Buddenhagen
b6949c64d2 avoid useless delay after creating maildir box
we would see the recent timestamp of the creation and conclude that
something is going on, so we'd wait. this is obviously nonsense.
as we know that a freshly created mailbox is empty, simply skip the
message scan alltogether.
2013-12-08 11:12:10 +01:00
Oswald Buddenhagen
71524cb6b0 reduce FSync option to a boolean
there is no use for Thorough mode any more, so simplify the
configuration.
2013-12-08 11:12:09 +01:00
Oswald Buddenhagen
29a56e2dc4 don't fsync after logging every TUID
as we now don't actually start propagating new messages until all TUIDs
have been generated, it's sufficient to sync just once. this makes it
a cheap operation, so we can do it at SYNC_NORMAL level already.
2013-12-08 11:12:09 +01:00
Oswald Buddenhagen
8d5bd62537 add ExpireUnread option 2013-12-08 11:12:09 +01:00
Oswald Buddenhagen
f586c0bee5 make it possible to specify CopyArrivalDate and MaxMessages globally
sneaky change on the side: the wording of the man page is changed from
"outside any section" to "before any section" to get global options.
this is not entirely true ... the previously existing options behave as
before, while the two newcomers actually affect subsequent channels.
2013-12-08 11:12:09 +01:00
Oswald Buddenhagen
c0ba0c7ecf replace global_* with a channel_conf_t instance
this makes the (growing) list of getopt_helper()'s parameters
manageable. the few wasted bytes are worth it.
2013-12-08 11:12:09 +01:00
Oswald Buddenhagen
1e427f5cd5 do not unnecessarily use bitfields
they don't save much (if any) space in our usage, while they make the
machine code more bloated and slow.
2013-12-08 11:12:09 +01:00
Oswald Buddenhagen
49a32910a7 move handling of new messages after that of old ones
i.e., move it back. whatever the original reason was, it's now gone.

this order is way more natural, which allows us to remove the osrecadd
and S_DONE hacks.
2013-12-01 13:36:28 +01:00
Oswald Buddenhagen
fe3d19b7eb verify idempotence of all sync operations 2013-12-01 13:36:28 +01:00
Oswald Buddenhagen
b1842617f7 make MaxMessages work for new mails as well
this helps enormously on the first sync of a 100k message box with a
limit of 1k messages. it also happens to make the syncing idempotent.

in a few conditionals we now explicitly test for max_messages being
enabled, not smaxxuid != 0, as after the initial fetch with no important
messages smaxxuid is zero, but we still have to skip over 99k messages
in the above case.
2013-12-01 13:36:28 +01:00
Oswald Buddenhagen
d3f6347021 delay propagation of new messages
previous sequence:
  examine & propagate new => examine old => propagate old
new sequence:
  examine new => examine old => propagate new => propagate old

this alone does not buy us much ...
2013-12-01 13:36:28 +01:00
Oswald Buddenhagen
391ec01f28 make message propagation recording less magic
assign the sync record to the source message asap, and later on rely
on a more explicit condition than not doing so.
2013-12-01 13:36:28 +01:00
Oswald Buddenhagen
7f784fd235 log maxuid bumping less aggressively
we can bump the internal variable whereever convenient, but we cannot
log it until we know that all messages were copied, as otherwise we
could miss some new messages after an interruption. with the new
approach, interruption would merely cause some additonal traffic.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
8b76412b0d document message expiration transactions 2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
ecb4c7ab07 propagate deletions with other flag changes
less code duplication, more logical order of issued driver commands
(especially after the next commit), and the "side effect" of letting the
message expiration code see those deletions if they are asynchronous.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
273ac899f3 don't delay loading master even if messages were expired
the delay optimized the corner case of previously important but now
expired messages on the slave disappearing, either through an external
expunge or after a journal replay. no point in pessimizing the common
case.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
12676f28da remove cleanup of expired entries during setup of master load
the removed code would only ever trigger if a) we were after a journal
replay or b) something external expunged the expired messages - both are
corner cases not worth the extra code.
however, this means that the syncing code further down now needs to take
care of these zombies.
in the end, the normal cleanup will take care of all expired entries,
new and old.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
9a62521cff micro-optimization/-clarification: swap condition order 2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
014d9b9081 make message counting in expiration code less confusing 2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
83b834cdfd count unread messages like flagged messages when expiring
that is, don't count them towards the total only below the cut-off
point. making them extend the working set even though they are inside it
is counterintuitive.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
9e186ae88b use post-sync "seen" flag to determine expirability
otherwise it wouldn't be idempotent.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
15216947fb don't protect recent messages from MaxMessages
while maildir has a clearly defined meaning of "recent" and for example
mutt handles it graciously, IMAP's definition is fubared to the point
that some servers (for example gmail) simply refuse to support it.
for symmetry reasons it is best to pretend that it doesn't exist at all.
it doesn't seem too useful anyway (the user can simply mark the messages
as read to allow pruning).
and last but not least, the man page of mbsync says nothing about
"recent", only "unread". unlike the isync man page, though.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
6b7b2b1106 always get slave flags when we are expiring
even if we are not propagating new messages, the appearance of new
messages on the slave can lead to expiring older messages. for that, we
need to know their importance, and thus flags.

the alternative would be not doing an expiration run when not fetching
new messages, but that would mean more conditionals all over the place.
as the decision is somewhat arbitrary, just do the simpler thing.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
f1eea7d9a5 do not trash expired messages
we are not actually deleting them, so there is no point in saving them
in the trash.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
48754ecc74 make sync state header format less obscure
the header is not space-critical, so use proper name-value pairs.
this has the additional advantage that subsequent format changes can be
done much easier.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
83bb1cf716 make state loading in showstate() similar to ckstate() 2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
f044adbfa4 take configs out of target state defs
cleaner and less duplication
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
5297425918 more precise failure reporting 2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
3d81ccbf21 make it possible to run only selected tests 2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
3dcb393de2 set srec->msg[] when finding messages by tuid
otherwise we would propagate phantom deletions.

this affected only sync runs after an interruption while storing
messages, so it went (mostly?) unnoticed.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
3814f19661 remove pointless assignment
we already know that tmsg->srec is null at this point.
2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
e63e16ab45 assert no stray TUIDs 2013-12-01 13:36:27 +01:00
Oswald Buddenhagen
8e49300cf7 initialize struct tm
strptime() does not initialize at least tm_isdst, which leads to an
uninited value reference in mktime().
2013-12-01 13:36:27 +01:00