forked from mintme-com/webchaind
/
metrics.go
51 lines (44 loc) · 1.38 KB
/
metrics.go
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// Copyright 2015 The go-ethereum Authors
// This file is part of Webchain.
//
// Webchain 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.
//
// Webchain 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 Webchain. If not, see <http://www.gnu.org/licenses/>.
package p2p
import (
"net"
"github.com/webchain-network/webchaind/metrics"
)
// meteredConn wraps a network TCP connection for metrics.
type meteredConn struct {
net.Conn
markBytes func(int64)
}
func newMeteredConn(conn net.Conn, ingress bool) net.Conn {
if ingress {
metrics.P2PIn.Mark(1)
return &meteredConn{conn, metrics.P2PInBytes.Mark}
} else {
metrics.P2POut.Mark(1)
return &meteredConn{conn, metrics.P2POutBytes.Mark}
}
}
func (c *meteredConn) Read(b []byte) (n int, err error) {
n, err = c.Conn.Read(b)
c.markBytes(int64(n))
return
}
func (c *meteredConn) Write(b []byte) (n int, err error) {
n, err = c.Conn.Write(b)
c.markBytes(int64(n))
return
}