111 lines
2.2 KiB
Go
111 lines
2.2 KiB
Go
package triggers
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import (
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"encoding/json"
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"fmt"
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"os"
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"time"
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"github.com/k4lipso/gokill/actions"
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"github.com/k4lipso/gokill/internal"
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)
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type EthernetDisconnect struct {
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WaitTillConnected bool `json:"waitTillConnected"`
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InterfaceName string `json:"interfaceName"`
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action actions.Action
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}
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func isEthernetConnected(deviceName string) bool {
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content, err := os.ReadFile(fmt.Sprintf("/sys/class/net/%s/operstate", deviceName))
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if err != nil {
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internal.LogDoc(EthernetDisconnect{}).Errorf("Cant read devices operstate. Check the deviceName. error: %s", err)
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return false
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}
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if string(content[:4]) == "down" {
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return false
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}
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return true
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}
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func (t EthernetDisconnect) Listen() {
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if t.WaitTillConnected {
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for !isEthernetConnected(t.InterfaceName) {
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time.Sleep(1 * time.Second)
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}
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}
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for {
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if !isEthernetConnected(t.InterfaceName) {
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break
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}
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time.Sleep(1 * time.Second)
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}
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actions.Fire(t.action)
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}
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func CreateEthernetDisconnect(config internal.KillSwitchConfig) (EthernetDisconnect, error) {
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result := EthernetDisconnect{
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WaitTillConnected: true,
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}
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err := json.Unmarshal(config.Options, &result)
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if err != nil {
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return EthernetDisconnect{}, err
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}
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if result.InterfaceName == "" {
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return EthernetDisconnect{}, internal.OptionMissingError{"interfaceName"}
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}
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action, err := actions.NewAction(config.Actions)
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if err != nil {
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return EthernetDisconnect{}, err
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}
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result.action = action
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return result, nil
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}
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func (e EthernetDisconnect) Create(config internal.KillSwitchConfig) (Trigger, error) {
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return CreateEthernetDisconnect(config)
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}
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func (p EthernetDisconnect) GetName() string {
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return "EthernetDisconnect"
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}
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func (p EthernetDisconnect) GetDescription() string {
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return "Triggers if Ethernetcable is disconnected."
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}
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func (p EthernetDisconnect) GetExample() string {
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return `
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{
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"type": "EthernetDisconnect",
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"name": "Example Trigger",
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"options": {
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"interfaceName": "eth0",
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"waitTillConnected": true
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},
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"actions": [
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]
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}
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`
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}
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func (p EthernetDisconnect) GetOptions() []internal.ConfigOption {
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return []internal.ConfigOption{
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{"waitTillConnected", "bool", "Only trigger when device was connected before", "true"},
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{"interfaceName", "string", "Name of ethernet adapter", "\"\""},
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}
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}
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