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plugeth/les/metrics.go
Felföldi Zsolt 62d8022b51
les: fix UDP connection query (#22451) 
This PR fixes multiple issues with the UDP connection pre-negotiation feature:

- the enable condition was wrong (it checked the existence of the DiscV5 struct where it wasn't initialized yet, disabling the feature even if discv5 was enabled)
- the server pool queried already connected nodes when the discovery iterators returned them again
- servers responded positively before they were synced and really willing to accept connections

Metrics are also added on the server side that count the positive and negative replies to served connection queries.
2021-03-16 12:53:54 +01:00

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package les
import (
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/p2p"
)
var (
miscInPacketsMeter = metrics.NewRegisteredMeter("les/misc/in/packets/total", nil)
miscInTrafficMeter = metrics.NewRegisteredMeter("les/misc/in/traffic/total", nil)
miscInHeaderPacketsMeter = metrics.NewRegisteredMeter("les/misc/in/packets/header", nil)
miscInHeaderTrafficMeter = metrics.NewRegisteredMeter("les/misc/in/traffic/header", nil)
miscInBodyPacketsMeter = metrics.NewRegisteredMeter("les/misc/in/packets/body", nil)
miscInBodyTrafficMeter = metrics.NewRegisteredMeter("les/misc/in/traffic/body", nil)
miscInCodePacketsMeter = metrics.NewRegisteredMeter("les/misc/in/packets/code", nil)
miscInCodeTrafficMeter = metrics.NewRegisteredMeter("les/misc/in/traffic/code", nil)
miscInReceiptPacketsMeter = metrics.NewRegisteredMeter("les/misc/in/packets/receipt", nil)
miscInReceiptTrafficMeter = metrics.NewRegisteredMeter("les/misc/in/traffic/receipt", nil)
miscInTrieProofPacketsMeter = metrics.NewRegisteredMeter("les/misc/in/packets/proof", nil)
miscInTrieProofTrafficMeter = metrics.NewRegisteredMeter("les/misc/in/traffic/proof", nil)
miscInHelperTriePacketsMeter = metrics.NewRegisteredMeter("les/misc/in/packets/helperTrie", nil)
miscInHelperTrieTrafficMeter = metrics.NewRegisteredMeter("les/misc/in/traffic/helperTrie", nil)
miscInTxsPacketsMeter = metrics.NewRegisteredMeter("les/misc/in/packets/txs", nil)
miscInTxsTrafficMeter = metrics.NewRegisteredMeter("les/misc/in/traffic/txs", nil)
miscInTxStatusPacketsMeter = metrics.NewRegisteredMeter("les/misc/in/packets/txStatus", nil)
miscInTxStatusTrafficMeter = metrics.NewRegisteredMeter("les/misc/in/traffic/txStatus", nil)
miscOutPacketsMeter = metrics.NewRegisteredMeter("les/misc/out/packets/total", nil)
miscOutTrafficMeter = metrics.NewRegisteredMeter("les/misc/out/traffic/total", nil)
miscOutHeaderPacketsMeter = metrics.NewRegisteredMeter("les/misc/out/packets/header", nil)
miscOutHeaderTrafficMeter = metrics.NewRegisteredMeter("les/misc/out/traffic/header", nil)
miscOutBodyPacketsMeter = metrics.NewRegisteredMeter("les/misc/out/packets/body", nil)
miscOutBodyTrafficMeter = metrics.NewRegisteredMeter("les/misc/out/traffic/body", nil)
miscOutCodePacketsMeter = metrics.NewRegisteredMeter("les/misc/out/packets/code", nil)
miscOutCodeTrafficMeter = metrics.NewRegisteredMeter("les/misc/out/traffic/code", nil)
miscOutReceiptPacketsMeter = metrics.NewRegisteredMeter("les/misc/out/packets/receipt", nil)
miscOutReceiptTrafficMeter = metrics.NewRegisteredMeter("les/misc/out/traffic/receipt", nil)
miscOutTrieProofPacketsMeter = metrics.NewRegisteredMeter("les/misc/out/packets/proof", nil)
miscOutTrieProofTrafficMeter = metrics.NewRegisteredMeter("les/misc/out/traffic/proof", nil)
miscOutHelperTriePacketsMeter = metrics.NewRegisteredMeter("les/misc/out/packets/helperTrie", nil)
miscOutHelperTrieTrafficMeter = metrics.NewRegisteredMeter("les/misc/out/traffic/helperTrie", nil)
miscOutTxsPacketsMeter = metrics.NewRegisteredMeter("les/misc/out/packets/txs", nil)
miscOutTxsTrafficMeter = metrics.NewRegisteredMeter("les/misc/out/traffic/txs", nil)
miscOutTxStatusPacketsMeter = metrics.NewRegisteredMeter("les/misc/out/packets/txStatus", nil)
miscOutTxStatusTrafficMeter = metrics.NewRegisteredMeter("les/misc/out/traffic/txStatus", nil)
miscServingTimeHeaderTimer = metrics.NewRegisteredTimer("les/misc/serve/header", nil)
miscServingTimeBodyTimer = metrics.NewRegisteredTimer("les/misc/serve/body", nil)
miscServingTimeCodeTimer = metrics.NewRegisteredTimer("les/misc/serve/code", nil)
miscServingTimeReceiptTimer = metrics.NewRegisteredTimer("les/misc/serve/receipt", nil)
miscServingTimeTrieProofTimer = metrics.NewRegisteredTimer("les/misc/serve/proof", nil)
miscServingTimeHelperTrieTimer = metrics.NewRegisteredTimer("les/misc/serve/helperTrie", nil)
miscServingTimeTxTimer = metrics.NewRegisteredTimer("les/misc/serve/txs", nil)
miscServingTimeTxStatusTimer = metrics.NewRegisteredTimer("les/misc/serve/txStatus", nil)
connectionTimer = metrics.NewRegisteredTimer("les/connection/duration", nil)
serverConnectionGauge = metrics.NewRegisteredGauge("les/connection/server", nil)
clientConnectionGauge = metrics.NewRegisteredGauge("les/connection/client", nil)
totalCapacityGauge = metrics.NewRegisteredGauge("les/server/totalCapacity", nil)
totalRechargeGauge = metrics.NewRegisteredGauge("les/server/totalRecharge", nil)
totalConnectedGauge = metrics.NewRegisteredGauge("les/server/totalConnected", nil)
blockProcessingTimer = metrics.NewRegisteredTimer("les/server/blockProcessingTime", nil)
capacityQueryZeroMeter = metrics.NewRegisteredMeter("les/server/capQueryZero", nil)
capacityQueryNonZeroMeter = metrics.NewRegisteredMeter("les/server/capQueryNonZero", nil)
requestServedMeter = metrics.NewRegisteredMeter("les/server/req/avgServedTime", nil)
requestServedTimer = metrics.NewRegisteredTimer("les/server/req/servedTime", nil)
requestEstimatedMeter = metrics.NewRegisteredMeter("les/server/req/avgEstimatedTime", nil)
requestEstimatedTimer = metrics.NewRegisteredTimer("les/server/req/estimatedTime", nil)
relativeCostHistogram = metrics.NewRegisteredHistogram("les/server/req/relative", nil, metrics.NewExpDecaySample(1028, 0.015))
relativeCostHeaderHistogram = metrics.NewRegisteredHistogram("les/server/req/relative/header", nil, metrics.NewExpDecaySample(1028, 0.015))
relativeCostBodyHistogram = metrics.NewRegisteredHistogram("les/server/req/relative/body", nil, metrics.NewExpDecaySample(1028, 0.015))
relativeCostReceiptHistogram = metrics.NewRegisteredHistogram("les/server/req/relative/receipt", nil, metrics.NewExpDecaySample(1028, 0.015))
relativeCostCodeHistogram = metrics.NewRegisteredHistogram("les/server/req/relative/code", nil, metrics.NewExpDecaySample(1028, 0.015))
relativeCostProofHistogram = metrics.NewRegisteredHistogram("les/server/req/relative/proof", nil, metrics.NewExpDecaySample(1028, 0.015))
relativeCostHelperProofHistogram = metrics.NewRegisteredHistogram("les/server/req/relative/helperTrie", nil, metrics.NewExpDecaySample(1028, 0.015))
relativeCostSendTxHistogram = metrics.NewRegisteredHistogram("les/server/req/relative/txs", nil, metrics.NewExpDecaySample(1028, 0.015))
relativeCostTxStatusHistogram = metrics.NewRegisteredHistogram("les/server/req/relative/txStatus", nil, metrics.NewExpDecaySample(1028, 0.015))
globalFactorGauge = metrics.NewRegisteredGauge("les/server/globalFactor", nil)
recentServedGauge = metrics.NewRegisteredGauge("les/server/recentRequestServed", nil)
recentEstimatedGauge = metrics.NewRegisteredGauge("les/server/recentRequestEstimated", nil)
sqServedGauge = metrics.NewRegisteredGauge("les/server/servingQueue/served", nil)
sqQueuedGauge = metrics.NewRegisteredGauge("les/server/servingQueue/queued", nil)
clientConnectedMeter = metrics.NewRegisteredMeter("les/server/clientEvent/connected", nil)
clientActivatedMeter = metrics.NewRegisteredMeter("les/server/clientEvent/activated", nil)
clientDeactivatedMeter = metrics.NewRegisteredMeter("les/server/clientEvent/deactivated", nil)
clientDisconnectedMeter = metrics.NewRegisteredMeter("les/server/clientEvent/disconnected", nil)
clientFreezeMeter = metrics.NewRegisteredMeter("les/server/clientEvent/freeze", nil)
clientErrorMeter = metrics.NewRegisteredMeter("les/server/clientEvent/error", nil)
requestRTT = metrics.NewRegisteredTimer("les/client/req/rtt", nil)
requestSendDelay = metrics.NewRegisteredTimer("les/client/req/sendDelay", nil)
serverSelectableGauge = metrics.NewRegisteredGauge("les/client/serverPool/selectable", nil)
serverDialedMeter = metrics.NewRegisteredMeter("les/client/serverPool/dialed", nil)
serverConnectedGauge = metrics.NewRegisteredGauge("les/client/serverPool/connected", nil)
sessionValueMeter = metrics.NewRegisteredMeter("les/client/serverPool/sessionValue", nil)
totalValueGauge = metrics.NewRegisteredGauge("les/client/serverPool/totalValue", nil)
suggestedTimeoutGauge = metrics.NewRegisteredGauge("les/client/serverPool/timeout", nil)
)
// meteredMsgReadWriter is a wrapper around a p2p.MsgReadWriter, capable of
// accumulating the above defined metrics based on the data stream contents.
type meteredMsgReadWriter struct {
p2p.MsgReadWriter // Wrapped message stream to meter
version int // Protocol version to select correct meters
}
// newMeteredMsgWriter wraps a p2p MsgReadWriter with metering support. If the
// metrics system is disabled, this function returns the original object.
func newMeteredMsgWriter(rw p2p.MsgReadWriter, version int) p2p.MsgReadWriter {
if !metrics.Enabled {
return rw
}
return &meteredMsgReadWriter{MsgReadWriter: rw, version: version}
}
func (rw *meteredMsgReadWriter) ReadMsg() (p2p.Msg, error) {
// Read the message and short circuit in case of an error
msg, err := rw.MsgReadWriter.ReadMsg()
if err != nil {
return msg, err
}
// Account for the data traffic
packets, traffic := miscInPacketsMeter, miscInTrafficMeter
packets.Mark(1)
traffic.Mark(int64(msg.Size))
return msg, err
}
func (rw *meteredMsgReadWriter) WriteMsg(msg p2p.Msg) error {
// Account for the data traffic
packets, traffic := miscOutPacketsMeter, miscOutTrafficMeter
packets.Mark(1)
traffic.Mark(int64(msg.Size))
// Send the packet to the p2p layer
return rw.MsgReadWriter.WriteMsg(msg)
}
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