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path: root/src/swarm/sync.rs
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* drop stall breaker; resend needed changestv34 hours1-65/+21
| | | | | | The stall breaker was superseded by regular re-handshaking Re-handshaking also gets triggered, when a node needs some of the heads its peer believes it has already sent. In that case the peer now resends what's needed.
* both sides may open sync after resettv36 hours1-19/+8
| | | | | | | | | | Ready nodes will leave the first message to the pear that isn't ready. Hello and hello reply now carry ready, so readiness is known from the very first contact, before any sync. Together with the sync messages and keepalives, reports_ready is always current. After epoch switch, pings go to everyone except ready members already on the new epoch, these learn from the lagging peer's opening.
* perform handshake in one round triptv36 hours1-1/+0
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* drop pre-membership sync messagestv36 hours1-16/+4
| | | | | The handshake resets the session anyway, and the sender's reply timeout resends what still matters.
* probe sync source during catch-uptv36 hours1-105/+6
| | | | This allows changing sources without the fixed 30 s stall duration.
* use only ready peers as sync sourcetv37 hours1-11/+52
| | | | | | Sync messages now carries a ready flag, telling whether the sending peer itself is joined or is itself still (re-)joining. In the latter case, the peer won't be used as sync source.
* catch up with a single source onlytv38 hours1-1/+86
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* record the cause that started a sync sessiontv38 hours1-1/+10
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* merge sync_reset_at and epoch_unannounced into openingtv38 hours1-6/+1
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* introduce sync sessiontv39 hours1-26/+32
| | | | SyncSession holds all fields that get reset by reset_sync()
* merge membership and authenticate into standingtv40 hours1-6/+6
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* announce epochs by sync instead of pingtv40 hours1-0/+4
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* pick pair leader by hash instead of key ordertv45 hours1-1/+1
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* open sync only from one sidetv2 days1-3/+21
| | | | | | | | | If both sides open, the openings cross, and an empty node's answer to the other opening (empty heads) makes the other side send the whole document a second time. Now after a sync reset, only the side with the smaller public key opens the sync; the other answers it, or opens itself if nothing arrives.
* don't resend sync messages to up-to-date peerstv3 days1-3/+13
| | | | | | | | | | | When an sync messages arrives and automerge has nothing to say about it, then no reply is generated. With c9279e4 it was assumed that every sync message gets an answer, so missing replies caused unnecessary resends. Now a reply is only awaited if the peer's last reported heads differ from ours. If the peer's heads become equal through a third peer without replying, the waiting will also abort if a ping or pong showss the same heads digest on both sides.
* rename cluster to swarm everywhere!tv4 days1-21/+21
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* resend sync messages that haven't been repliedtv4 days1-4/+13
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* reorganize all the modulestv4 days1-0/+564
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