forked from TrueCloudLab/frostfs-node
69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
package eigentrustctrl
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import (
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"context"
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"github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust"
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"go.uber.org/zap"
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)
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// ContinuePrm groups the required parameters of Continue operation.
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type ContinuePrm struct {
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epoch uint64
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}
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type iterContext struct {
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context.Context
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eigentrust.EpochIteration
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last bool
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}
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func (x iterContext) Last() bool {
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return x.last
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}
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type iterContextCancel struct {
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iterContext
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cancel context.CancelFunc
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}
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// Continue moves the global reputation calculator to the next iteration.
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func (c *Controller) Continue(prm ContinuePrm) {
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c.mtx.Lock()
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{
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iterCtx, ok := c.mCtx[prm.epoch]
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if !ok {
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iterCtx := new(iterContextCancel)
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c.mCtx[prm.epoch] = iterCtx
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iterCtx.Context, iterCtx.cancel = context.WithCancel(context.Background())
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} else {
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iterCtx.cancel()
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}
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iterCtx.last = iterCtx.I() == c.prm.IterationNumber
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err := c.prm.WorkerPool.Submit(func() {
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c.prm.DaughtersTrustCalculator.Calculate(iterCtx.iterContext)
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})
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if err != nil {
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c.opts.log.Debug("iteration submit failure",
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zap.String("error", err.Error()),
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)
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}
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if iterCtx.last {
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delete(c.mCtx, prm.epoch)
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// In this case and worker pool failure we can mark epoch
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// number as already processed, but in any case it grows up
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// during normal operation of the system. Also, such information
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// will only live while the application is alive.
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}
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}
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c.mtx.Unlock()
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}
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