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289 lines
8.5 KiB
289 lines
8.5 KiB
// Copyright 2015 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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// go-ethereum 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 api
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import (
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"fmt"
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"strings"
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"time"
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"github.com/ethereum/ethash"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/rpc/codec"
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"github.com/ethereum/go-ethereum/rpc/shared"
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"github.com/ethereum/go-ethereum/xeth"
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"github.com/rcrowley/go-metrics"
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)
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const (
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DebugApiVersion = "1.0"
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)
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var (
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// mapping between methods and handlers
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DebugMapping = map[string]debughandler{
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"debug_dumpBlock": (*debugApi).DumpBlock,
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"debug_getBlockRlp": (*debugApi).GetBlockRlp,
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"debug_printBlock": (*debugApi).PrintBlock,
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"debug_processBlock": (*debugApi).ProcessBlock,
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"debug_seedHash": (*debugApi).SeedHash,
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"debug_setHead": (*debugApi).SetHead,
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"debug_metrics": (*debugApi).Metrics,
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}
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)
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// debug callback handler
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type debughandler func(*debugApi, *shared.Request) (interface{}, error)
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// admin api provider
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type debugApi struct {
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xeth *xeth.XEth
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ethereum *eth.Ethereum
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methods map[string]debughandler
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codec codec.ApiCoder
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}
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// create a new debug api instance
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func NewDebugApi(xeth *xeth.XEth, ethereum *eth.Ethereum, coder codec.Codec) *debugApi {
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return &debugApi{
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xeth: xeth,
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ethereum: ethereum,
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methods: DebugMapping,
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codec: coder.New(nil),
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}
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}
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// collection with supported methods
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func (self *debugApi) Methods() []string {
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methods := make([]string, len(self.methods))
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i := 0
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for k := range self.methods {
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methods[i] = k
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i++
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}
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return methods
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}
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// Execute given request
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func (self *debugApi) Execute(req *shared.Request) (interface{}, error) {
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if callback, ok := self.methods[req.Method]; ok {
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return callback(self, req)
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}
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return nil, &shared.NotImplementedError{req.Method}
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}
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func (self *debugApi) Name() string {
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return shared.DebugApiName
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}
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func (self *debugApi) ApiVersion() string {
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return DebugApiVersion
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}
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func (self *debugApi) PrintBlock(req *shared.Request) (interface{}, error) {
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args := new(BlockNumArg)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := self.xeth.EthBlockByNumber(args.BlockNumber)
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return fmt.Sprintf("%s", block), nil
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}
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func (self *debugApi) DumpBlock(req *shared.Request) (interface{}, error) {
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args := new(BlockNumArg)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := self.xeth.EthBlockByNumber(args.BlockNumber)
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if block == nil {
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return nil, fmt.Errorf("block #%d not found", args.BlockNumber)
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}
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stateDb := state.New(block.Root(), self.ethereum.StateDb())
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if stateDb == nil {
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return nil, nil
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}
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return stateDb.RawDump(), nil
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}
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func (self *debugApi) GetBlockRlp(req *shared.Request) (interface{}, error) {
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args := new(BlockNumArg)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := self.xeth.EthBlockByNumber(args.BlockNumber)
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if block == nil {
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return nil, fmt.Errorf("block #%d not found", args.BlockNumber)
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}
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encoded, err := rlp.EncodeToBytes(block)
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return fmt.Sprintf("%x", encoded), err
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}
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func (self *debugApi) SetHead(req *shared.Request) (interface{}, error) {
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args := new(BlockNumArg)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := self.xeth.EthBlockByNumber(args.BlockNumber)
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if block == nil {
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return nil, fmt.Errorf("block #%d not found", args.BlockNumber)
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}
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self.ethereum.ChainManager().SetHead(block)
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return nil, nil
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}
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func (self *debugApi) ProcessBlock(req *shared.Request) (interface{}, error) {
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args := new(BlockNumArg)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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block := self.xeth.EthBlockByNumber(args.BlockNumber)
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if block == nil {
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return nil, fmt.Errorf("block #%d not found", args.BlockNumber)
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}
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old := vm.Debug
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defer func() { vm.Debug = old }()
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vm.Debug = true
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_, err := self.ethereum.BlockProcessor().RetryProcess(block)
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if err == nil {
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return true, nil
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}
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return false, err
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}
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func (self *debugApi) SeedHash(req *shared.Request) (interface{}, error) {
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args := new(BlockNumArg)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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if hash, err := ethash.GetSeedHash(uint64(args.BlockNumber)); err == nil {
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return fmt.Sprintf("0x%x", hash), nil
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} else {
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return nil, err
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}
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}
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func (self *debugApi) Metrics(req *shared.Request) (interface{}, error) {
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args := new(MetricsArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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// Create a rate formatter
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units := []string{"", "K", "M", "G", "T", "E", "P"}
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round := func(value float64, prec int) string {
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unit := 0
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for value >= 1000 {
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unit, value, prec = unit+1, value/1000, 2
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}
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return fmt.Sprintf(fmt.Sprintf("%%.%df%s", prec, units[unit]), value)
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}
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format := func(total float64, rate float64) string {
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return fmt.Sprintf("%s (%s/s)", round(total, 0), round(rate, 2))
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}
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// Iterate over all the metrics, and just dump for now
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counters := make(map[string]interface{})
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metrics.DefaultRegistry.Each(func(name string, metric interface{}) {
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// Create or retrieve the counter hierarchy for this metric
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root, parts := counters, strings.Split(name, "/")
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for _, part := range parts[:len(parts)-1] {
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if _, ok := root[part]; !ok {
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root[part] = make(map[string]interface{})
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}
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root = root[part].(map[string]interface{})
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}
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name = parts[len(parts)-1]
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// Fill the counter with the metric details, formatting if requested
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if args.Raw {
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switch metric := metric.(type) {
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case metrics.Meter:
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root[name] = map[string]interface{}{
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"AvgRate01Min": metric.Rate1(),
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"AvgRate05Min": metric.Rate5(),
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"AvgRate15Min": metric.Rate15(),
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"MeanRate": metric.RateMean(),
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"Overall": float64(metric.Count()),
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}
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case metrics.Timer:
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root[name] = map[string]interface{}{
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"AvgRate01Min": metric.Rate1(),
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"AvgRate05Min": metric.Rate5(),
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"AvgRate15Min": metric.Rate15(),
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"MeanRate": metric.RateMean(),
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"Overall": float64(metric.Count()),
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"Percentiles": map[string]interface{}{
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"5": metric.Percentile(0.05),
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"20": metric.Percentile(0.2),
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"50": metric.Percentile(0.5),
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"80": metric.Percentile(0.8),
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"95": metric.Percentile(0.95),
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},
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}
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default:
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root[name] = "Unknown metric type"
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}
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} else {
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switch metric := metric.(type) {
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case metrics.Meter:
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root[name] = map[string]interface{}{
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"Avg01Min": format(metric.Rate1()*60, metric.Rate1()),
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"Avg05Min": format(metric.Rate5()*300, metric.Rate5()),
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"Avg15Min": format(metric.Rate15()*900, metric.Rate15()),
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"Overall": format(float64(metric.Count()), metric.RateMean()),
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}
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case metrics.Timer:
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root[name] = map[string]interface{}{
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"Avg01Min": format(metric.Rate1()*60, metric.Rate1()),
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"Avg05Min": format(metric.Rate5()*300, metric.Rate5()),
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"Avg15Min": format(metric.Rate15()*900, metric.Rate15()),
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"Overall": format(float64(metric.Count()), metric.RateMean()),
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"Maximum": time.Duration(metric.Max()).String(),
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"Minimum": time.Duration(metric.Min()).String(),
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"Percentiles": map[string]interface{}{
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"5": time.Duration(metric.Percentile(0.05)).String(),
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"20": time.Duration(metric.Percentile(0.2)).String(),
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"50": time.Duration(metric.Percentile(0.5)).String(),
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"80": time.Duration(metric.Percentile(0.8)).String(),
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"95": time.Duration(metric.Percentile(0.95)).String(),
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},
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}
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default:
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root[name] = "Unknown metric type"
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}
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}
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})
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return counters, nil
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}
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