feat: peer sync controller [1/2] #347
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Hypercore manages peers on a "per-hypercore" basis, e.g. each hypercore has a unique set of peers. However for Mapeo we need to treat all hypercores belonging to a peer as one, so we need to combine the peer core sync states across all cores, and then have a means for a particular peer to control which cores / namespaces are replicated to the replication stream. This abstraction is for managing the enabling of namespaces with a particular peer, and will be managed by the sync controller. This replaces functionality that is currently in the CoreManager and the ReplicationStateMachine that is currently returned by coreManager.replicate().
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@achou11 I finally sorted this |
gmaclennan
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achou11
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Oct 25, 2023
Co-authored-by: Andrew Chou <andrewchou@fastmail.com>
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Hypercore manages peers on a "per-hypercore" basis, e.g. each hypercore
has a unique set of peers. However for Mapeo we need to treat all
hypercores belonging to a peer as one, so we need to combine the peer
core sync states across all cores, and then have a means for a
particular peer to control which cores / namespaces are replicated to
the replication stream.
This abstraction is for managing the enabling of namespaces with a
particular peer, and will be managed by the sync controller. This
replaces functionality that is currently in the CoreManager and the
ReplicationStateMachine that is currently returned by
coreManager.replicate().
I will include tests in a stacked pull request that implements SyncController that manages all the PeerSyncController instances.