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package main
import (
"encoding/json"
"fmt"
"os"
"git.zaphyra.eu/airpodsctl/types"
"github.com/godbus/dbus/v5"
)
type State struct {
BusConn *dbus.Conn
Signals chan *dbus.Signal
Devices types.Devices
SelectedDevice string
DebugOutput bool
OutputFormat types.OutputFormat
SendNotifications bool
LastNotificationId int
}
func InitState() (State, error) {
dbusConn, errBusConn := dbus.ConnectSessionBus()
if errBusConn != nil {
return State{}, fmt.Errorf("[InitState] Failed to connect to session bus: %s", errBusConn)
}
// create state object
state := State{
BusConn: dbusConn,
Signals: make(chan *dbus.Signal, 10),
Devices: types.Devices{},
DebugOutput: false,
OutputFormat: types.FormatCLI,
SendNotifications: false,
LastNotificationId: 0,
}
// initial devices poll
state.UpdateDevices()
return state, nil
}
// Close cleans up and shuts down signal delivery loop.
func (state *State) Close() error {
// remove signal reception
state.BusConn.RemoveSignal(state.Signals)
// unregister on dbus:
state.BusConn.RemoveMatchSignal(
dbus.WithMatchObjectPath("/org/kairpods/manager"),
)
// disconnect from dbus
return state.BusConn.Close()
}
func (state *State) PrintDebug(message string) {
if state.DebugOutput {
fmt.Fprint(os.Stderr, message)
}
}
func (state *State) UpdateDevices() error {
var devicesStr string
obj := state.BusConn.Object("org.kairpods", "/org/kairpods/manager")
if err := obj.Call("org.kairpods.manager.GetDevices", 0).Store(&devicesStr); err != nil {
return fmt.Errorf("[UpdateDevices] Error reading Devices from dbus: %s", err)
}
if err := json.Unmarshal([]byte(devicesStr), &state.Devices); err != nil {
return fmt.Errorf("[UpdateDevices] Faild to unmarshal devices-JSON: %s", err)
}
return nil
}
func (state *State) RegisterSignals() error {
// register for signals on dbus
errRegisterSignals := state.BusConn.AddMatchSignal(
dbus.WithMatchObjectPath("/org/kairpods/manager"),
)
if errRegisterSignals != nil {
return fmt.Errorf("[RegisterSignals] Failed to register for signals on dbus: %s", errRegisterSignals)
}
// connect bus to signals
state.BusConn.Signal(state.Signals)
return nil
}
func (state *State) SendNotify(body string, timeout int, subject string) error {
if !state.SendNotifications {
return nil
}
if subject != "" {
subject = "airpodsctl (" + subject + ")"
} else {
subject = "airpodsctl"
}
obj := state.BusConn.Object("org.freedesktop.Notifications", "/org/freedesktop/Notifications")
err := obj.Call(
"org.freedesktop.Notifications.Notify", 0,
"", uint32(state.LastNotificationId), "", subject, body, []string{}, map[string]dbus.Variant{
"transient": dbus.MakeVariant(true),
}, int32(timeout*1000),
).Store(&state.LastNotificationId)
return err
}
func (state *State) SendRawCommand(device types.Device, command string) error {
var returnVal bool
obj := state.BusConn.Object("org.kairpods", "/org/kairpods/manager")
err := obj.Call(
"org.kairpods.manager.Passthrough", 0,
device.Address, command,
).Store(&returnVal)
if err != nil {
return err
}
if returnVal != true {
return fmt.Errorf("[SendRawCommand] Unable to send command '%s' to device '%s'", command, device.Address)
}
return nil
}
func (state *State) SetANCMode(device types.Device, ancMode types.ANCMode) error {
var returnVal bool
obj := state.BusConn.Object("org.kairpods", "/org/kairpods/manager")
err := obj.Call(
"org.kairpods.manager.SendCommand", 0,
device.Address, "set_noise_mode", map[string]dbus.Variant{
"value": dbus.MakeVariant(ancMode.GetValue()),
},
).Store(&returnVal)
if err != nil {
return err
}
if returnVal != true {
return fmt.Errorf("[SetANCMode] Unable to set ANC-Mode for device: %s", device.Address)
}
return nil
}