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* aliases are not in logs (fixup)tv14 hours1-1/+1
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* measure document saved-size only after changestv14 hours1-17/+39
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* add endpoint to export the documenttv19 hours1-0/+9
| | | | GET /admin/document to retrieve the automerge document.
* add node aliasestv20 hours1-11/+78
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* add throughput statstv20 hours4-1/+192
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* add propagation statstv20 hours2-0/+89
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* add swarm statstv20 hours7-1/+235
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* add traffic countertv21 hours1-0/+4
| | | | | | | | | | This introduces a new wrapper that counts messages and payload bytes per peer, split by kind (hello, helloReply, sync, ping, pong), each sent, received and refused. The traffic counter goes around the firewall, which means messages dropped outbound are still counted as sent, and messages dropped inbound don't count as received.
* nodes prefer stable neighbourstv21 hours1-10/+89
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* assess swarm stabilitytv21 hours4-11/+321
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* record RTT sampling instanttv21 hours2-27/+95
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* prefer closer sources to catch uptv22 hours1-3/+42
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* record RTT from keepalive messagestv22 hours4-14/+130
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* pull missing changestv22 hours5-5/+159
| | | | | | Nodes push changes to their neighbours but don't relay them directly. In a partial mesh, nodes can learn about missing changes via keepalive messages and can pull them from their neighbours.
* find reachable neighbourstv22 hours2-55/+132
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* sync with neighbourstv22 hours3-4/+142
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* add neighbour graphtv23 hours2-0/+180
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* add member registrytv23 hours3-0/+69
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* use nonce in handshaketv23 hours1-2/+14
| | | | | To prevent stale hello replies to cause joins and thus stale sessions, each run gets a random ID, which used as nonce in the handshake.
* consolidate backoff codetv23 hours1-29/+15
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* retry using fresh messagestv24 hours1-158/+127
| | | | | Don't store encoded messages but retry using a newly generated one. That way any accumulated changes can be delivered at once.
* drop stall breaker; resend needed changestv26 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.
* no heal during catch-uptv27 hours1-1/+6
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* peers that just became ready get syncstv27 hours1-0/+9
| | | | | | When keepalive says ready and we didn't have taht on record before, the peer is queued for sync. Hello and hello reply don't do this because the handshake already queues a sync.
* both sides may open sync after resettv27 hours3-42/+28
| | | | | | | | | | 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 triptv28 hours3-78/+68
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* drop pre-membership sync messagestv28 hours3-43/+10
| | | | | The handshake resets the session anyway, and the sender's reply timeout resends what still matters.
* bump number of heads in keepalive messagestv28 hours1-0/+1
| | | | | Instead of arbitrarily limiting the number to 16, allow filling keepalive messages as long as they don't cause mycelium to chunk it.
* probe sync source during catch-uptv28 hours3-106/+14
| | | | This allows changing sources without the fixed 30 s stall duration.
* enrich keepalive contenttv28 hours2-26/+208
| | | | | | | Add ready and syncs_with_you flags as well as actual heads, so the peer - ready: same meaning as in the sync message - syncs_with_you: sender counts recipient as member and in same epoch - heads: allows to tell who's behind or if both sides have changes
* use only ready peers as sync sourcetv29 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 onlytv29 hours1-1/+86
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* record the cause that started a sync sessiontv30 hours2-6/+15
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* merge sync_reset_at and epoch_unannounced into openingtv30 hours2-9/+3
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* introduce sync sessiontv31 hours2-27/+33
| | | | SyncSession holds all fields that get reset by reset_sync()
* merge membership and authenticate into standingtv31 hours3-25/+18
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* announce epochs by sync instead of pingtv32 hours1-0/+4
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* pick pair leader by hash instead of key ordertv37 hours4-2/+81
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* ping only from one sidetv37 hours1-1/+2
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* consistently use the words node, peer, and seedtv39 hours2-4/+4
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* open sync only from one sidetv44 hours1-3/+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 peerstv2 days2-9/+28
| | | | | | | | | | | 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.
* introduce pre-shared swarm keytv2 days3-0/+279
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* rename cluster to swarm everywhere!tv3 days3-68/+65
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* resend sync messages that haven't been repliedtv4 days2-6/+23
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* rename compaction to remaketv4 days2-2/+2
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* reorganize all the modulestv4 days4-0/+1349
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