mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-25 19:15:34 +00:00
31 lines
555 B
Go
31 lines
555 B
Go
|
// Copyright (c) Tailscale Inc & AUTHORS
|
||
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
||
|
|
|
||
|
|
//go:build tailscale_go && (darwin || ios)
|
||
|
|
|
||
|
|
package sockstats
|
||
|
|
|
||
|
|
import (
|
||
|
|
"syscall"
|
||
|
|
|
||
|
|
"golang.org/x/sys/unix"
|
||
|
|
)
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
tcpConnStats = darwinTcpConnStats
|
||
|
|
}
|
||
|
|
|
||
|
|
func darwinTcpConnStats(c syscall.RawConn) (tx, rx uint64) {
|
||
|
|
c.Control(func(fd uintptr) {
|
||
|
|
if rawInfo, err := unix.GetsockoptTCPConnectionInfo(
|
||
|
|
int(fd),
|
||
|
|
unix.IPPROTO_TCP,
|
||
|
|
unix.TCP_CONNECTION_INFO,
|
||
|
|
); err == nil {
|
||
|
|
tx = uint64(rawInfo.Txbytes)
|
||
|
|
rx = uint64(rawInfo.Rxbytes)
|
||
|
|
}
|
||
|
|
})
|
||
|
|
return
|
||
|
|
}
|