112 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2016 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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| 
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| package les
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| 
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| import (
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| 	"github.com/ethereum/go-ethereum/metrics"
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| 	"github.com/ethereum/go-ethereum/p2p"
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| )
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| 
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| var (
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| 	/*	propTxnInPacketsMeter     = metrics.NewMeter("eth/prop/txns/in/packets")
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| 		propTxnInTrafficMeter     = metrics.NewMeter("eth/prop/txns/in/traffic")
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| 		propTxnOutPacketsMeter    = metrics.NewMeter("eth/prop/txns/out/packets")
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| 		propTxnOutTrafficMeter    = metrics.NewMeter("eth/prop/txns/out/traffic")
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| 		propHashInPacketsMeter    = metrics.NewMeter("eth/prop/hashes/in/packets")
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| 		propHashInTrafficMeter    = metrics.NewMeter("eth/prop/hashes/in/traffic")
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| 		propHashOutPacketsMeter   = metrics.NewMeter("eth/prop/hashes/out/packets")
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| 		propHashOutTrafficMeter   = metrics.NewMeter("eth/prop/hashes/out/traffic")
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| 		propBlockInPacketsMeter   = metrics.NewMeter("eth/prop/blocks/in/packets")
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| 		propBlockInTrafficMeter   = metrics.NewMeter("eth/prop/blocks/in/traffic")
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| 		propBlockOutPacketsMeter  = metrics.NewMeter("eth/prop/blocks/out/packets")
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| 		propBlockOutTrafficMeter  = metrics.NewMeter("eth/prop/blocks/out/traffic")
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| 		reqHashInPacketsMeter     = metrics.NewMeter("eth/req/hashes/in/packets")
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| 		reqHashInTrafficMeter     = metrics.NewMeter("eth/req/hashes/in/traffic")
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| 		reqHashOutPacketsMeter    = metrics.NewMeter("eth/req/hashes/out/packets")
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| 		reqHashOutTrafficMeter    = metrics.NewMeter("eth/req/hashes/out/traffic")
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| 		reqBlockInPacketsMeter    = metrics.NewMeter("eth/req/blocks/in/packets")
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| 		reqBlockInTrafficMeter    = metrics.NewMeter("eth/req/blocks/in/traffic")
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| 		reqBlockOutPacketsMeter   = metrics.NewMeter("eth/req/blocks/out/packets")
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| 		reqBlockOutTrafficMeter   = metrics.NewMeter("eth/req/blocks/out/traffic")
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| 		reqHeaderInPacketsMeter   = metrics.NewMeter("eth/req/headers/in/packets")
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| 		reqHeaderInTrafficMeter   = metrics.NewMeter("eth/req/headers/in/traffic")
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| 		reqHeaderOutPacketsMeter  = metrics.NewMeter("eth/req/headers/out/packets")
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| 		reqHeaderOutTrafficMeter  = metrics.NewMeter("eth/req/headers/out/traffic")
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| 		reqBodyInPacketsMeter     = metrics.NewMeter("eth/req/bodies/in/packets")
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| 		reqBodyInTrafficMeter     = metrics.NewMeter("eth/req/bodies/in/traffic")
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| 		reqBodyOutPacketsMeter    = metrics.NewMeter("eth/req/bodies/out/packets")
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| 		reqBodyOutTrafficMeter    = metrics.NewMeter("eth/req/bodies/out/traffic")
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| 		reqStateInPacketsMeter    = metrics.NewMeter("eth/req/states/in/packets")
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| 		reqStateInTrafficMeter    = metrics.NewMeter("eth/req/states/in/traffic")
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| 		reqStateOutPacketsMeter   = metrics.NewMeter("eth/req/states/out/packets")
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| 		reqStateOutTrafficMeter   = metrics.NewMeter("eth/req/states/out/traffic")
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| 		reqReceiptInPacketsMeter  = metrics.NewMeter("eth/req/receipts/in/packets")
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| 		reqReceiptInTrafficMeter  = metrics.NewMeter("eth/req/receipts/in/traffic")
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| 		reqReceiptOutPacketsMeter = metrics.NewMeter("eth/req/receipts/out/packets")
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| 		reqReceiptOutTrafficMeter = metrics.NewMeter("eth/req/receipts/out/traffic")*/
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| 	miscInPacketsMeter  = metrics.NewMeter("les/misc/in/packets")
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| 	miscInTrafficMeter  = metrics.NewMeter("les/misc/in/traffic")
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| 	miscOutPacketsMeter = metrics.NewMeter("les/misc/out/packets")
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| 	miscOutTrafficMeter = metrics.NewMeter("les/misc/out/traffic")
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| )
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| 
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| // meteredMsgReadWriter is a wrapper around a p2p.MsgReadWriter, capable of
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| // accumulating the above defined metrics based on the data stream contents.
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| type meteredMsgReadWriter struct {
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| 	p2p.MsgReadWriter     // Wrapped message stream to meter
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| 	version           int // Protocol version to select correct meters
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| }
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| 
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| // newMeteredMsgWriter wraps a p2p MsgReadWriter with metering support. If the
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| // metrics system is disabled, this function returns the original object.
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| func newMeteredMsgWriter(rw p2p.MsgReadWriter) p2p.MsgReadWriter {
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| 	if !metrics.Enabled {
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| 		return rw
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| 	}
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| 	return &meteredMsgReadWriter{MsgReadWriter: rw}
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| }
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| 
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| // Init sets the protocol version used by the stream to know which meters to
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| // increment in case of overlapping message ids between protocol versions.
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| func (rw *meteredMsgReadWriter) Init(version int) {
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| 	rw.version = version
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| }
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| 
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| func (rw *meteredMsgReadWriter) ReadMsg() (p2p.Msg, error) {
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| 	// Read the message and short circuit in case of an error
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| 	msg, err := rw.MsgReadWriter.ReadMsg()
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| 	if err != nil {
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| 		return msg, err
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| 	}
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| 	// Account for the data traffic
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| 	packets, traffic := miscInPacketsMeter, miscInTrafficMeter
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| 	packets.Mark(1)
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| 	traffic.Mark(int64(msg.Size))
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| 
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| 	return msg, err
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| }
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| 
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| func (rw *meteredMsgReadWriter) WriteMsg(msg p2p.Msg) error {
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| 	// Account for the data traffic
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| 	packets, traffic := miscOutPacketsMeter, miscOutTrafficMeter
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| 	packets.Mark(1)
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| 	traffic.Mark(int64(msg.Size))
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| 
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| 	// Send the packet to the p2p layer
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| 	return rw.MsgReadWriter.WriteMsg(msg)
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| }
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