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lib/protocol: Cache expensive key operations (fixes #8599) (#8820)

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This adds a cache to the expensive key generation operations. It's fixes
size LRU/MRU stuff to keep memory usage bounded under absurd conditions.

Also closes #8600.
This commit is contained in:
Jakob Borg
2023-03-12 20:06:59 +01:00
committed by GitHub
parent 3ffe859fe8
commit 466b56ded1
12 changed files with 212 additions and 161 deletions
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lib/syncthing/syncthing.go
+3 -2
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@@ -248,7 +248,8 @@ func (a *App) startup() error {
return err
}
m := model.NewModel(a.cfg, a.myID, "syncthing", build.Version, a.ll, protectedFiles, a.evLogger)
keyGen := protocol.NewKeyGenerator()
m := model.NewModel(a.cfg, a.myID, "syncthing", build.Version, a.ll, protectedFiles, a.evLogger, keyGen)
if a.opts.DeadlockTimeoutS > 0 {
m.StartDeadlockDetector(time.Duration(a.opts.DeadlockTimeoutS) * time.Second)
@@ -283,7 +284,7 @@ func (a *App) startup() error {
connRegistry := registry.New()
discoveryManager := discover.NewManager(a.myID, a.cfg, a.cert, a.evLogger, addrLister, connRegistry)
connectionsService := connections.NewService(a.cfg, a.myID, m, tlsCfg, discoveryManager, bepProtocolName, tlsDefaultCommonName, a.evLogger, connRegistry)
connectionsService := connections.NewService(a.cfg, a.myID, m, tlsCfg, discoveryManager, bepProtocolName, tlsDefaultCommonName, a.evLogger, connRegistry, keyGen)
addrLister.AddressLister = connectionsService