70 lines
1.5 KiB
Go
70 lines
1.5 KiB
Go
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package routing
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import (
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"fmt"
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"sync"
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"time"
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)
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// routerStats is a struct that tracks various updates to the graph and
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// facilitates aggregate logging of the statistics.
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type routerStats struct {
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numChannels uint32
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numUpdates uint32
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numNodes uint32
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lastReset time.Time
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mu sync.RWMutex
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}
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// incNumEdges increments the number of discovered edges.
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func (g *routerStats) incNumEdgesDiscovered() {
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g.mu.Lock()
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g.numChannels++
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g.mu.Unlock()
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}
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// incNumUpdates increments the number of channel updates processed.
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func (g *routerStats) incNumChannelUpdates() {
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g.mu.Lock()
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g.numUpdates++
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g.mu.Unlock()
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}
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// incNumNodeUpdates increments the number of node updates processed.
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func (g *routerStats) incNumNodeUpdates() {
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g.mu.Lock()
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g.numNodes++
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g.mu.Unlock()
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}
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// Empty returns true if all stats are zero.
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func (g *routerStats) Empty() bool {
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g.mu.RLock()
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isEmpty := g.numChannels == 0 &&
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g.numUpdates == 0 &&
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g.numNodes == 0
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g.mu.RUnlock()
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return isEmpty
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}
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// Reset clears any router stats and sets the lastReset field to now.
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func (g *routerStats) Reset() {
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g.mu.Lock()
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g.numChannels = 0
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g.numUpdates = 0
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g.numNodes = 0
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g.lastReset = time.Now()
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g.mu.Unlock()
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}
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// String returns a human-readable description of the router stats.
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func (g *routerStats) String() string {
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g.mu.RLock()
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str := fmt.Sprintf("Processed channels=%d updates=%d nodes=%d in "+
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"last %v", g.numChannels, g.numUpdates, g.numNodes,
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time.Since(g.lastReset))
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g.mu.RUnlock()
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return str
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}
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