140 lines
6.2 KiB
Go
140 lines
6.2 KiB
Go
// 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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// 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 eth
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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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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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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("eth/misc/in/packets")
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miscInTrafficMeter = metrics.NewMeter("eth/misc/in/traffic")
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miscOutPacketsMeter = metrics.NewMeter("eth/misc/out/packets")
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miscOutTrafficMeter = metrics.NewMeter("eth/misc/out/traffic")
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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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// 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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// 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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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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switch {
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case msg.Code == BlockHeadersMsg:
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packets, traffic = reqHeaderInPacketsMeter, reqHeaderInTrafficMeter
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case msg.Code == BlockBodiesMsg:
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packets, traffic = reqBodyInPacketsMeter, reqBodyInTrafficMeter
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case rw.version >= eth63 && msg.Code == NodeDataMsg:
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packets, traffic = reqStateInPacketsMeter, reqStateInTrafficMeter
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case rw.version >= eth63 && msg.Code == ReceiptsMsg:
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packets, traffic = reqReceiptInPacketsMeter, reqReceiptInTrafficMeter
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case msg.Code == NewBlockHashesMsg:
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packets, traffic = propHashInPacketsMeter, propHashInTrafficMeter
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case msg.Code == NewBlockMsg:
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packets, traffic = propBlockInPacketsMeter, propBlockInTrafficMeter
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case msg.Code == TxMsg:
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packets, traffic = propTxnInPacketsMeter, propTxnInTrafficMeter
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}
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packets.Mark(1)
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traffic.Mark(int64(msg.Size))
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return msg, err
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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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switch {
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case msg.Code == BlockHeadersMsg:
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packets, traffic = reqHeaderOutPacketsMeter, reqHeaderOutTrafficMeter
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case msg.Code == BlockBodiesMsg:
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packets, traffic = reqBodyOutPacketsMeter, reqBodyOutTrafficMeter
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case rw.version >= eth63 && msg.Code == NodeDataMsg:
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packets, traffic = reqStateOutPacketsMeter, reqStateOutTrafficMeter
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case rw.version >= eth63 && msg.Code == ReceiptsMsg:
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packets, traffic = reqReceiptOutPacketsMeter, reqReceiptOutTrafficMeter
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case msg.Code == NewBlockHashesMsg:
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packets, traffic = propHashOutPacketsMeter, propHashOutTrafficMeter
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case msg.Code == NewBlockMsg:
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packets, traffic = propBlockOutPacketsMeter, propBlockOutTrafficMeter
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case msg.Code == TxMsg:
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packets, traffic = propTxnOutPacketsMeter, propTxnOutTrafficMeter
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}
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packets.Mark(1)
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traffic.Mark(int64(msg.Size))
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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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