mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-22 03:30:37 +00:00
436493350e
1. changes sentinel to use an http-like interface 2. moves hexutil, crypto/blake2b, metrics packages to erigon-lib
95 lines
2.6 KiB
Go
95 lines
2.6 KiB
Go
// Copyright 2020 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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//
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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package rpc
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import (
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"fmt"
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"github.com/ledgerwatch/erigon-lib/metrics"
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"reflect"
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"strings"
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)
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var (
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rpcMetricsLabels = map[bool]map[string]string{}
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rpcRequestGauge = metrics.GetOrCreateCounter("rpc_total")
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failedReqeustGauge = metrics.GetOrCreateCounter("rpc_failure")
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)
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// PreAllocateRPCMetricLabels pre-allocates labels for all rpc methods inside API List
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func PreAllocateRPCMetricLabels(apiList []API) {
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methods := getRPCMethodNames(apiList)
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successMap, ok := rpcMetricsLabels[true]
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if !ok {
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successMap = make(map[string]string)
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}
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failureMap, ok := rpcMetricsLabels[false]
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if !ok {
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failureMap = make(map[string]string)
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}
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for _, method := range methods {
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successMap[method] = createRPCMetricsLabel(method, true)
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failureMap[method] = createRPCMetricsLabel(method, false)
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}
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rpcMetricsLabels[true] = successMap
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rpcMetricsLabels[false] = failureMap
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}
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func getRPCMethodNames(apiList []API) (methods []string) {
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for _, api := range apiList {
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apiType := reflect.TypeOf(api.Service)
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for i := 0; i < apiType.NumMethod(); i++ {
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method := apiType.Method(i)
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rpcMethod := fmt.Sprintf("%s_%s", api.Namespace, pascalToCamel(method.Name))
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methods = append(methods, rpcMethod)
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}
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}
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return
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}
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func pascalToCamel(input string) string {
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if input == "" || strings.ToLower(input[0:1]) == input[0:1] {
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return input
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}
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return strings.ToLower(input[0:1]) + input[1:]
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}
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func createRPCMetricsLabel(method string, valid bool) string {
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status := "failure"
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if valid {
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status = "success"
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}
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return fmt.Sprintf(`rpc_duration_seconds{method="%s",success="%s"}`, method, status)
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}
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func newRPCServingTimerMS(method string, valid bool) metrics.Summary {
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label, ok := rpcMetricsLabels[valid][method]
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if !ok {
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label = createRPCMetricsLabel(method, valid)
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}
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return metrics.GetOrCreateSummary(label)
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}
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