Switch calls to use dbus library and add helpers for private connections
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parent
22709439c4
commit
715a53a91c
209
calls.go
209
calls.go
@ -1,176 +1,99 @@
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package main
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import (
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"bufio"
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"encoding/json"
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"fmt"
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"os/exec"
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"strconv"
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"strings"
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"github.com/godbus/dbus/v5"
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"github.com/rs/zerolog/log"
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"go.arsenm.dev/infinitime"
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)
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func initCallNotifs(dev *infinitime.Device) error {
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// Define rule to filter dbus messages
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rule := "type='signal',sender='org.freedesktop.ModemManager1',interface='org.freedesktop.ModemManager1.Modem.Voice',member='CallAdded'"
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//rule := "type='signal',sender='org.freedesktop.ModemManager1',interface='org.freedesktop.ModemManager1.Modem.Voice',member='CallAdded'"
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// Use dbus-monitor command with profiling output as a workaround
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// because go-bluetooth seems to monopolize the system bus connection
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// which makes monitoring show only bluez-related messages.
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cmd := exec.Command("dbus-monitor", "--system", "--profile", rule)
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// Get command output pipe
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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return err
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}
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// Run command asynchronously
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err = cmd.Start()
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// Connect to dbus session monitorConn
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monitorConn, err := newSystemBusConn()
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if err != nil {
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return err
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}
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// Create new scanner for command output
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scanner := bufio.NewScanner(stdout)
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conn, err := newSystemBusConn()
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if err != nil {
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return err
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}
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err = monitorConn.AddMatchSignal(
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dbus.WithMatchSender("org.freedesktop.ModemManager1"),
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dbus.WithMatchInterface("org.freedesktop.ModemManager1.Modem.Voice"),
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dbus.WithMatchMember("CallAdded"),
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)
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if err != nil {
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return err
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}
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c := make(chan *dbus.Message, 10)
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monitorConn.Eavesdrop(c)
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go func() {
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// For each line in output
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for scanner.Scan() {
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// Get line as string
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text := scanner.Text()
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for x := range c {
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callPath := x.Body[0].(dbus.ObjectPath)
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callObj := conn.Object("org.freedesktop.ModemManager1", callPath)
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// If line starts with "#", it is part of
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// the field format, skip it.
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if strings.HasPrefix(text, "#") {
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phoneNum, err := getPhoneNum(conn, callObj)
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if err != nil {
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log.Fatal().Err(err).Send()
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}
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resCh, err := dev.NotifyCall(phoneNum)
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if err != nil {
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continue
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}
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// Split line into fields. The order is as follows:
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// type timestamp serial sender destination path interface member
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fields := strings.Fields(text)
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// Field 7 is Member. Make sure it is "CallAdded".
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if fields[7] == "CallAdded" {
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// Get Modem ID from modem path
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modemID := parseModemID(fields[5])
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// Get call ID of current call
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callID, err := getCurrentCallID(modemID)
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if err != nil {
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continue
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}
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// Get phone number of current call
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phoneNum, err := getPhoneNum(callID)
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if err != nil {
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continue
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}
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// Send call notification to PineTime
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resCh, err := dev.NotifyCall(phoneNum)
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if err != nil {
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continue
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}
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go func() {
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// Wait for PineTime response
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res := <-resCh
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switch res {
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case infinitime.CallStatusAccepted:
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// Attempt to accept call
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err = acceptCall(callID)
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if err != nil {
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log.Warn().Err(err).Msg("Error accepting call")
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}
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case infinitime.CallStatusDeclined:
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// Attempt to decline call
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err = declineCall(callID)
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if err != nil {
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log.Warn().Err(err).Msg("Error declining call")
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}
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case infinitime.CallStatusMuted:
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// Warn about unimplemented muting
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log.Warn().Msg("Muting calls is not implemented")
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go func() {
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// Wait for PineTime response
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res := <-resCh
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switch res {
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case infinitime.CallStatusAccepted:
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// Attempt to accept call
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err = acceptCall(conn, callObj)
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if err != nil {
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log.Warn().Err(err).Msg("Error accepting call")
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}
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}()
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}
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case infinitime.CallStatusDeclined:
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// Attempt to decline call
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err = declineCall(conn, callObj)
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if err != nil {
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log.Warn().Err(err).Msg("Error declining call")
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}
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case infinitime.CallStatusMuted:
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// Warn about unimplemented muting
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log.Warn().Msg("Muting calls is not implemented")
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}
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}()
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}
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}()
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return nil
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}
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func parseModemID(modemPath string) int {
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// Split path by "/"
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splitPath := strings.Split(modemPath, "/")
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// Get last element and convert to integer
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id, _ := strconv.Atoi(splitPath[len(splitPath)-1])
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return id
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}
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func getCurrentCallID(modemID int) (int, error) {
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// Create mmcli command
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cmd := exec.Command("mmcli", "--voice-list-calls", "-m", fmt.Sprint(modemID), "-J")
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// Run command and get output
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data, err := cmd.Output()
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if err != nil {
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return 0, err
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}
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var calls map[string][]string
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// Decode JSON from command output
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err = json.Unmarshal(data, &calls)
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if err != nil {
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return 0, err
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}
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// Get first call in output
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firstCall := calls["modem.voice.call"][0]
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// Split path by "/"
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splitCall := strings.Split(firstCall, "/")
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// Return last element converted to integer
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return strconv.Atoi(splitCall[len(splitCall)-1])
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}
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func getPhoneNum(callID int) (string, error) {
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// Create dbus-send command
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cmd := exec.Command("dbus-send",
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"--dest=org.freedesktop.ModemManager1",
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"--system",
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"--print-reply=literal",
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"--type=method_call",
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fmt.Sprintf("/org/freedesktop/ModemManager1/Call/%d", callID),
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"org.freedesktop.DBus.Properties.Get",
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"string:org.freedesktop.ModemManager1.Call",
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"string:Number",
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)
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// Run command and get output
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numData, err := cmd.Output()
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func getPhoneNum(conn *dbus.Conn, callObj dbus.BusObject) (string, error) {
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var out string
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err := callObj.StoreProperty("org.freedesktop.ModemManager1.Call.Number", &out)
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if err != nil {
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return "", err
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}
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// Split output into fields
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num := strings.Fields(string(numData))
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// Return last field
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return num[len(num)-1], nil
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return out, nil
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}
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func acceptCall(callID int) error {
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// Create dbus-send command
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cmd := exec.Command("dbus-send",
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"--dest=org.freedesktop.ModemManager1",
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"--print-reply",
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"--system",
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"--type=method_call",
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fmt.Sprintf("/org/freedesktop/ModemManager1/Call/%d", callID),
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"org.freedesktop.ModemManager1.Call.Accept",
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)
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// Run command and return errpr
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return cmd.Run()
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func acceptCall(conn *dbus.Conn, callObj dbus.BusObject) error {
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call := callObj.Call("org.freedesktop.ModemManager1.Call.Accept", 0)
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if call.Err != nil {
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return call.Err
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}
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return nil
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}
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func declineCall(callID int) error {
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// Create dbus-send command
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cmd := exec.Command("dbus-send",
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"--dest=org.freedesktop.ModemManager1",
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"--print-reply",
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"--system",
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"--type=method_call",
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fmt.Sprintf("/org/freedesktop/ModemManager1/Call/%d", callID),
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"org.freedesktop.ModemManager1.Call.Hangup",
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)
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// Run command and return errpr
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return cmd.Run()
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func declineCall(conn *dbus.Conn, callObj dbus.BusObject) error {
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call := callObj.Call("org.freedesktop.ModemManager1.Call.Hangup", 0)
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if call.Err != nil {
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return call.Err
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}
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return nil
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}
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37
dbus.go
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37
dbus.go
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@ -0,0 +1,37 @@
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package main
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import "github.com/godbus/dbus/v5"
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func newSystemBusConn() (*dbus.Conn, error) {
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// Connect to dbus session bus
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conn, err := dbus.SystemBusPrivate()
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if err != nil {
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return nil, err
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}
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err = conn.Auth(nil)
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if err != nil {
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return nil, err
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}
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err = conn.Hello()
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if err != nil {
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return nil, err
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}
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return conn, nil
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}
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func newSessionBusConn() (*dbus.Conn, error) {
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// Connect to dbus session bus
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conn, err := dbus.SessionBusPrivate()
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if err != nil {
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return nil, err
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}
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err = conn.Auth(nil)
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if err != nil {
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return nil, err
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}
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err = conn.Hello()
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if err != nil {
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return nil, err
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}
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return conn, nil
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}
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