firehol/netdata

// SPDX-License-Identifier: GPL-3.0-or-later

package ping

import (
    "errors"
    "time"
)

func (p *Ping) validateConfig() error {
    if len(p.Hosts) == 0 {
        return errors.New("'hosts' can't be empty")
    }
    if p.SendPackets <= 0 {
        return errors.New("'send_packets' can't be <= 0")
    }
    return nil
}

func (p *Ping) initProber() (prober, error) {
    mul := 0.9
    if p.UpdateEvery > 1 {
        mul = 0.95
    }
    deadline := time.Millisecond * time.Duration(float64(p.UpdateEvery)*mul*1000)
    if deadline.Milliseconds() == 0 {
        return nil, errors.New("zero ping deadline")
    }

    conf := pingProberConfig{
        privileged: p.Privileged,
        packets:    p.SendPackets,
        iface:      p.Interface,
        interval:   p.Interval.Duration(),
        deadline:   deadline,
    }

    return p.newProber(conf, p.Logger), nil
}