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* add endpoint to export the documenttv22 hours1-0/+9
| | | | GET /admin/document to retrieve the automerge document.
* add node aliasestv22 hours1-11/+78
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* add throughput statstv22 hours4-1/+192
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* add propagation statstv22 hours2-0/+89
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* add swarm statstv23 hours7-1/+235
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* add traffic countertv23 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 neighbourstv23 hours1-10/+89
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* assess swarm stabilitytv23 hours4-11/+321
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* record RTT sampling instanttv23 hours2-27/+95
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* prefer closer sources to catch uptv24 hours1-3/+42
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* record RTT from keepalive messagestv24 hours4-14/+130
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* pull missing changestv24 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 neighbourstv24 hours2-55/+132
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* sync with neighbourstv25 hours3-4/+142
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* add neighbour graphtv25 hours2-0/+180
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* add member registrytv25 hours3-0/+69
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* use nonce in handshaketv26 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 codetv26 hours1-29/+15
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* retry using fresh messagestv26 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 changestv28 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-uptv30 hours1-1/+6
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* peers that just became ready get syncstv30 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 resettv30 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 triptv30 hours3-78/+68
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* drop pre-membership sync messagestv30 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 messagestv30 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-uptv30 hours3-106/+14
| | | | This allows changing sources without the fixed 30 s stall duration.
* enrich keepalive contenttv30 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 sourcetv31 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 onlytv32 hours1-1/+86
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* record the cause that started a sync sessiontv32 hours2-6/+15
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* merge sync_reset_at and epoch_unannounced into openingtv32 hours2-9/+3
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* introduce sync sessiontv33 hours2-27/+33
| | | | SyncSession holds all fields that get reset by reset_sync()
* merge membership and authenticate into standingtv34 hours3-25/+18
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* announce epochs by sync instead of pingtv34 hours1-0/+4
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* pick pair leader by hash instead of key ordertv39 hours4-2/+81
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* ping only from one sidetv40 hours1-1/+2
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* consistently use the words node, peer, and seedtv41 hours2-4/+4
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* open sync only from one sidetv46 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!tv4 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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