netdata/netdata

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

package dnsmasq

import (
    "errors"
    "fmt"

    "github.com/netdata/netdata/go/go.d.plugin/agent/module"
)

func (d *Dnsmasq) validateConfig() error {
    if d.Address == "" {
        return errors.New("'address' parameter not set")
    }
    if !isProtocolValid(d.Protocol) {
        return fmt.Errorf("'protocol' (%s) is not valid, expected one of %v", d.Protocol, validProtocols)
    }
    return nil
}

func (d *Dnsmasq) initDNSClient() (dnsClient, error) {
    return d.newDNSClient(d.Protocol, d.Timeout.Duration()), nil
}

func (d *Dnsmasq) initCharts() (*module.Charts, error) {
    return cacheCharts.Copy(), nil
}

func isProtocolValid(protocol string) bool {
    for _, v := range validProtocols {
        if protocol == v {
            return true
        }
    }
    return false
}

var validProtocols = []string{
    "udp",
    "tcp",
    "tcp-tls",
}