mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-22 11:41:19 +00:00
0be3044b7e
* rename * rename "make grpc" * rename "abi bindings templates" * rename "abi bindings templates"
89 lines
2.8 KiB
Go
89 lines
2.8 KiB
Go
// Copyright 2015 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/>.
|
|
|
|
// Contains the meters and timers used by the networking layer.
|
|
|
|
package p2p
|
|
|
|
import (
|
|
"net"
|
|
|
|
"github.com/ledgerwatch/erigon/metrics"
|
|
)
|
|
|
|
const (
|
|
ingressMeterName = "p2p/ingress"
|
|
egressMeterName = "p2p/egress"
|
|
)
|
|
|
|
var (
|
|
ingressConnectMeter = metrics.NewRegisteredMeter("p2p/serves", nil)
|
|
ingressTrafficMeter = metrics.NewRegisteredMeter(ingressMeterName, nil)
|
|
egressConnectMeter = metrics.NewRegisteredMeter("p2p/dials", nil)
|
|
egressTrafficMeter = metrics.NewRegisteredMeter(egressMeterName, nil)
|
|
activePeerGauge = metrics.NewRegisteredGauge("p2p/peers", nil)
|
|
)
|
|
|
|
// meteredConn is a wrapper around a net.Conn that meters both the
|
|
// inbound and outbound network traffic.
|
|
type meteredConn struct {
|
|
net.Conn
|
|
}
|
|
|
|
// newMeteredConn creates a new metered connection, bumps the ingress or egress
|
|
// connection meter and also increases the metered peer count. If the metrics
|
|
// system is disabled, function returns the original connection.
|
|
func newMeteredConn(conn net.Conn, ingress bool, addr *net.TCPAddr) net.Conn {
|
|
// Short circuit if metrics are disabled
|
|
if !metrics.Enabled {
|
|
return conn
|
|
}
|
|
// Bump the connection counters and wrap the connection
|
|
if ingress {
|
|
ingressConnectMeter.Mark(1)
|
|
} else {
|
|
egressConnectMeter.Mark(1)
|
|
}
|
|
activePeerGauge.Inc(1)
|
|
return &meteredConn{Conn: conn}
|
|
}
|
|
|
|
// Read delegates a network read to the underlying connection, bumping the common
|
|
// and the peer ingress traffic meters along the way.
|
|
func (c *meteredConn) Read(b []byte) (n int, err error) {
|
|
n, err = c.Conn.Read(b)
|
|
ingressTrafficMeter.Mark(int64(n))
|
|
return n, err
|
|
}
|
|
|
|
// Write delegates a network write to the underlying connection, bumping the common
|
|
// and the peer egress traffic meters along the way.
|
|
func (c *meteredConn) Write(b []byte) (n int, err error) {
|
|
n, err = c.Conn.Write(b)
|
|
egressTrafficMeter.Mark(int64(n))
|
|
return n, err
|
|
}
|
|
|
|
// Close delegates a close operation to the underlying connection, unregisters
|
|
// the peer from the traffic registries and emits close event.
|
|
func (c *meteredConn) Close() error {
|
|
err := c.Conn.Close()
|
|
if err == nil {
|
|
activePeerGauge.Dec(1)
|
|
}
|
|
return err
|
|
}
|