71 lines
2.3 KiB
Go
71 lines
2.3 KiB
Go
// VulcanizeDB
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// Copyright © 2021 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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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 := "service"
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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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