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* add per peer incident statstv25 hours4-4/+52
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* expose stats via the APItv25 hours2-0/+136
| | | | GET /admin/stats to retrieve all stats.
* add swarm statstv25 hours9-1/+238
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* add traffic countertv26 hours9-12/+270
| | | | | | | | | | 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 neighbourstv26 hours1-10/+89
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* assess swarm stabilitytv26 hours8-11/+330
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* record RTT sampling instanttv26 hours4-30/+104
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* prefer closer sources to catch uptv27 hours3-3/+49
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* record RTT from keepalive messagestv27 hours7-20/+148
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* pull missing changestv27 hours7-5/+162
| | | | | | 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 neighbourstv27 hours3-55/+162
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* sync with neighbourstv27 hours6-4/+171
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* add neighbour graphtv28 hours2-0/+180
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* add member registrytv28 hours4-1/+73
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* use nonce in handshaketv28 hours5-2/+39
| | | | | 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.
* drain queued messages on startuptv28 hours1-2/+48
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* consolidate backoff codetv28 hours4-49/+99
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* retry using fresh messagestv29 hours3-170/+180
| | | | | Don't store encoded messages but retry using a newly generated one. That way any accumulated changes can be delivered at once.
* heal from noticed divergencetv29 hours1-6/+27
| | | | | Wait 2*keepalive but at least 20 s to trigger resync so that lost messages can be resent first.
* heal after reply timeouttv31 hours1-0/+3
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* drop stall breaker; resend needed changestv31 hours2-82/+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-uptv32 hours1-1/+6
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* peers that just became ready get syncstv32 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 resettv32 hours6-163/+64
| | | | | | | | | | 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 triptv33 hours6-85/+74
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* drop pre-membership sync messagestv33 hours4-47/+10
| | | | | The handshake resets the session anyway, and the sender's reply timeout resends what still matters.
* bump number of heads in keepalive messagestv33 hours6-11/+1069
| | | | | 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-uptv33 hours4-109/+28
| | | | This allows changing sources without the fixed 30 s stall duration.
* enrich keepalive contenttv33 hours5-44/+307
| | | | | | | 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 sourcetv34 hours4-11/+65
| | | | | | 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 onlytv34 hours3-1/+102
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* introduce announce opening varianttv35 hours1-6/+14
| | | | | This prevents a fall back to the 3 s grace period if a reset happens between the epoch switch and our opening went out.
* record the cause that started a sync sessiontv35 hours3-12/+74
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* merge sync_reset_at and epoch_unannounced into openingtv35 hours3-56/+67
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* introduce sync sessiontv36 hours4-109/+124
| | | | SyncSession holds all fields that get reset by reset_sync()
* merge membership and authenticate into standingtv36 hours5-43/+47
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* announce epochs by sync instead of pingtv37 hours2-4/+33
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* pick pair leader by hash instead of key ordertv42 hours5-4/+83
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* ping only from one sidetv42 hours2-3/+22
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* allow changing log filtering while node runstv44 hours4-1/+97
| | | | This also changes the default to tracing-subscriber.
* consistently use the words node, peer, and seedtv44 hours7-12/+18
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* open sync only from one sidetv2 days2-3/+45
| | | | | | | | | 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 days3-9/+34
| | | | | | | | | | | 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 days7-1/+316
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* rename cluster to swarm everywhere!tv4 days14-177/+162
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* make remake switch delay configurabletv4 days3-2/+44
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* install signal handlers early & handle SIGTERMtv4 days2-17/+58
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* handle SIGTERMtv4 days1-0/+11
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* let linux signal supervised mycelium when we dietv4 days1-8/+22
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* resend sync messages that haven't been repliedtv4 days3-6/+90
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