61 lines
2.1 KiB
Go
61 lines
2.1 KiB
Go
package proxy
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import (
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"sync"
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"sync/atomic"
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"time"
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)
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// Stats tracks global proxy metrics. Hot-path counters are atomic. Hashrate windows
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// use a ring buffer per window size, advanced by Tick().
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//
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// s := proxy.NewStats()
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// bus.Subscribe(proxy.EventAccept, s.OnAccept)
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// bus.Subscribe(proxy.EventReject, s.OnReject)
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type Stats struct {
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accepted atomic.Uint64
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rejected atomic.Uint64
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invalid atomic.Uint64
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expired atomic.Uint64
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hashes atomic.Uint64 // cumulative sum of accepted share difficulties
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connections atomic.Uint64 // total TCP connections accepted (ever)
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miners atomic.Uint64 // current connected miners
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maxMiners atomic.Uint64 // peak concurrent miner count
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topDiff [10]uint64 // top-10 accepted difficulties, sorted descending; guarded by mu
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latency []uint16 // pool response latencies in ms; capped at 10000 samples; guarded by mu
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windows [6]tickWindow // one per hashrate reporting period
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startTime time.Time
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mu sync.Mutex
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}
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// Hashrate window sizes in seconds. Index maps to Stats.windows and SummaryResponse.Hashrate.
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const (
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HashrateWindow60s = 0 // 1 minute
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HashrateWindow600s = 1 // 10 minutes
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HashrateWindow3600s = 2 // 1 hour
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HashrateWindow12h = 3 // 12 hours
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HashrateWindow24h = 4 // 24 hours
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HashrateWindowAll = 5 // all-time (single accumulator, no window)
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)
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// tickWindow is a fixed-capacity ring buffer of per-second difficulty sums.
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type tickWindow struct {
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buckets []uint64
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pos int
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size int // window size in seconds = len(buckets)
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}
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// StatsSummary is the serialisable snapshot returned by Summary().
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//
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// summary := stats.Summary()
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type StatsSummary struct {
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Accepted uint64 `json:"accepted"`
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Rejected uint64 `json:"rejected"`
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Invalid uint64 `json:"invalid"`
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Expired uint64 `json:"expired"`
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Hashes uint64 `json:"hashes_total"`
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AvgTime uint32 `json:"avg_time"` // seconds per accepted share
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AvgLatency uint32 `json:"latency"` // median pool response latency in ms
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Hashrate [6]float64 `json:"hashrate"` // H/s per window (index = HashrateWindow* constants)
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TopDiff [10]uint64 `json:"best"`
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}
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