/
ping.go
59 lines (49 loc) · 1.54 KB
/
ping.go
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/*
* Copyright 2023 The Dragonfly Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ping
import (
"errors"
"time"
"github.com/gaius-qi/ping"
)
const (
// defaultPingCount calls pinger to stop after sending (and receiving)
// default count echo packets.
defaultPingCount = 1
// defaultPingTimeout specifies a default timeout before ping exits,
// regardless of how many packets have been received.
defaultPingTimeout = 1 * time.Second
)
// Ping returns the ping metrics with the icmp protocol.
func Ping(addr string) (*ping.Statistics, error) {
pinger, err := ping.NewPinger(addr)
if err != nil {
return nil, err
}
pinger.Count = defaultPingCount
pinger.Timeout = defaultPingTimeout
// SetPrivileged sets the type of ping pinger will send.
// true means pinger will send a "privileged" raw ICMP ping.
pinger.SetPrivileged(true)
if err := pinger.Run(); err != nil {
return nil, err
}
stats := pinger.Statistics()
if stats.PacketsRecv <= 0 {
return nil, errors.New("receive packet failed")
}
return stats, nil
}