| Commit message (Collapse) | Author | Age |
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on server
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(Except for the actual streaming of receive-pack through XMPP, which
can only run once we've gotten an appropriate uuid in a push initiation
message.)
Pushes are now only initiated when the initiation message comes from a
known uuid. This allows multiple distinct repositories to use the same xmpp
address.
Note: This probably breaks initial push after xmpp pairing, because at that
point we may not know about the paired uuid, and so reject the push from
it. It won't break in simple cases, because the annex-uuid of the remote
is checked. However, when there are multiple clients behind a single xmpp
address, only uuid of the first is recorded in annex-uuid, and so any
pushes from the others will be rejected (unless the first remote pushes their
uuids to us beforehand.
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I think I've been looking for that function for some time.
Ie, I remember wanting to collapse Just Nothing to Nothing.
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For backwards compatability, "" is treated as "0" sequence number.
--debug will show xmpp sequence numbers now, but they are not otherwise
used.
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repository needs to be configured.
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A missing uuid broke this, and also caused a UI glitch in the webapp's
remote list.
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This fixes the issue mentioned in the last commit.
Turns out just collecting UUID of clients behind a XMPP remote is
insufficient (although I should probably still do it for other reasons),
because a single remote repo might be connected via both XMPP and local
pairing. So a way is needed to know when a push was received from any
client using a given XMPP remote over XMPP, as opposed to via ssh.
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and on startup.
Make manualPull send push requests over XMPP.
When reconnecting with remotes, those that are XMPP remotes cannot
immediately be pulled from and scanned, so instead maintain a set of
(probably) desynced remotes, and put XMPP remotes on it. (This set could be
used in other ways later, if we can detect we're out of sync with other
types of remotes.)
The merger handles detecting when a XMPP push is received from a desynced
remote, and triggers a scan then, if they have in fact diverged.
This has one known bug: A single XMPP remote can have multiple clients
behind it. When this happens, only the UUID of one client is recorded
as the UUID of the XMPP remote. Pushes from the other XMPP clients will not
trigger a scan. If the client whose UUID is expected responds to the push
request, it'll work, but when that client is offline, we're SOL.
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This is so gratutious and pointless. It's a shame that everything we
learned about Unix portability and the importance of standards has been
thrown out the window by these guys.
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I'd forgotten this existed!
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Partition syncRemotes into ones needing git sync (ie, non-special remotes),
and ones needing data sync (ie, non-XMPP remotes).
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Noticed that when pairing, sometimes both sides start to push, and the other
side sends a PushRequest, and the two deadlock, neither doing anything.
(Timeout eventually breaks this.) So, let both run at the same time.
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I decided to use the fallback push mode from the beginning for XMPP, since
while it uses some ugly branches, it avoids the possibility of a normal
push failing, and needing to pull and re-push. Due to the overhead of XMPP,
and the difficulty of building such a chain of actions due to the async
implementation, this seemed reasonable.
It seems to work great!
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This improves type safety.
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XMPP has no defined message size limits, but some servers will have ad-hoc
limits. However, 4k seems safe, even after the additional bloat of base64.
That should not exceed 8k.
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Various final bug fixes, and tweaks that got it working.
Currently pushes a hardcoded ref, which needs to be fixed, etc.
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Took me a while to figure out why the xmpp client was not receiving git xmpp
push messages after a push started.
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Inject the required git-remote-xmpp into PATH when running xmpp git push.
Rest of the time it will not be in PATH, and git won't be able to talk to
xmpp remotes.
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It might even work, although nothing yet triggers XMPP pushes.
Also added a set of deferred push messages. Only one push can run at a
time, and unrelated push messages get deferred. The set will never grow
very large, because it only puts two types of messages in there, that
can only vary in the client doing the push.
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But I could not find a way to implement it using just FD piping; it
has to copy the data.
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This includes keeping track of which buddies we're pairing with, to know
which PairAck are legitimate.
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Along the way, significantly cleaned up Assistant.XMPP, and made XMPP
message decoding more efficient.
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Joey Hess