gitlab.com/flarenetwork/coreth@v0.1.1/rpc/metrics.go (about)

     1  // (c) 2019-2020, Ava Labs, Inc.
     2  //
     3  // This file is a derived work, based on the go-ethereum library whose original
     4  // notices appear below.
     5  //
     6  // It is distributed under a license compatible with the licensing terms of the
     7  // original code from which it is derived.
     8  //
     9  // Much love to the original authors for their work.
    10  // **********
    11  // Copyright 2020 The go-ethereum Authors
    12  // This file is part of the go-ethereum library.
    13  //
    14  // The go-ethereum library is free software: you can redistribute it and/or modify
    15  // it under the terms of the GNU Lesser General Public License as published by
    16  // the Free Software Foundation, either version 3 of the License, or
    17  // (at your option) any later version.
    18  //
    19  // The go-ethereum library is distributed in the hope that it will be useful,
    20  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    21  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    22  // GNU Lesser General Public License for more details.
    23  //
    24  // You should have received a copy of the GNU Lesser General Public License
    25  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    26  
    27  package rpc
    28  
    29  import (
    30  	"fmt"
    31  
    32  	"github.com/ethereum/go-ethereum/metrics"
    33  )
    34  
    35  var (
    36  	rpcRequestGauge        = metrics.NewRegisteredGauge("rpc/requests", nil)
    37  	successfulRequestGauge = metrics.NewRegisteredGauge("rpc/success", nil)
    38  	failedReqeustGauge     = metrics.NewRegisteredGauge("rpc/failure", nil)
    39  	rpcServingTimer        = metrics.NewRegisteredTimer("rpc/duration/all", nil)
    40  )
    41  
    42  func newRPCServingTimer(method string, valid bool) metrics.Timer {
    43  	flag := "success"
    44  	if !valid {
    45  		flag = "failure"
    46  	}
    47  	m := fmt.Sprintf("rpc/duration/%s/%s", method, flag)
    48  	return metrics.GetOrRegisterTimer(m, nil)
    49  }