55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
package statediff
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import (
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"strings"
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"github.com/ethereum/go-ethereum/metrics"
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)
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const (
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namespace = "statediff"
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)
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// Build a fully qualified metric name
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func metricName(subsystem, name string) string {
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if name == "" {
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return ""
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}
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parts := []string{namespace, name}
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if subsystem != "" {
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parts = []string{namespace, subsystem, name}
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}
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// Prometheus uses _ but geth metrics uses / and replaces
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return strings.Join(parts, "/")
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}
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type statediffMetricsHandles struct {
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// Height of latest synced by core.BlockChain
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// FIXME
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lastSyncHeight metrics.Gauge
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// Height of the latest block received from chainEvent channel
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lastEventHeight metrics.Gauge
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// Height of latest state diff
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lastStatediffHeight metrics.Gauge
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// Current length of chainEvent channels
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serviceLoopChannelLen metrics.Gauge
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writeLoopChannelLen metrics.Gauge
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}
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func RegisterStatediffMetrics(reg metrics.Registry) statediffMetricsHandles {
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ctx := statediffMetricsHandles{
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lastSyncHeight: metrics.NewGauge(),
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lastEventHeight: metrics.NewGauge(),
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lastStatediffHeight: metrics.NewGauge(),
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serviceLoopChannelLen: metrics.NewGauge(),
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writeLoopChannelLen: metrics.NewGauge(),
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}
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subsys := "" // todo
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reg.Register(metricName(subsys, "last_sync_height"), ctx.lastSyncHeight)
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reg.Register(metricName(subsys, "last_event_height"), ctx.lastEventHeight)
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reg.Register(metricName(subsys, "last_statediff_height"), ctx.lastStatediffHeight)
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reg.Register(metricName(subsys, "service_loop_channel_len"), ctx.serviceLoopChannelLen)
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reg.Register(metricName(subsys, "write_loop_channel_len"), ctx.writeLoopChannelLen)
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return ctx
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}
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