itd/main.go
2022-05-29 23:39:16 +02:00

217 lines
5.0 KiB
Go

/*
* itd uses bluetooth low energy to communicate with InfiniTime devices
* Copyright (C) 2021 Arsen Musayelyan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"context"
_ "embed"
"flag"
"fmt"
"os"
"os/signal"
"strconv"
"syscall"
"time"
"github.com/gen2brain/dlgs"
"github.com/knadh/koanf"
"github.com/mattn/go-isatty"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"go.arsenm.dev/infinitime"
)
var k = koanf.New(".")
//go:embed version.txt
var version string
var (
firmwareUpdating = false
// The FS must be updated when the watch is reconnected
updateFS = false
)
func main() {
showVer := flag.Bool("version", false, "Show version number and exit")
flag.Parse()
// If version requested, print and exit
if *showVer {
fmt.Println(version)
return
}
level, err := zerolog.ParseLevel(k.String("logging.level"))
if err != nil || level == zerolog.NoLevel {
level = zerolog.InfoLevel
}
// Initialize infinitime library
infinitime.Init(k.String("bluetooth.adapter"))
// Cleanly exit after function
defer infinitime.Exit()
// Create infinitime options struct
opts := &infinitime.Options{
AttemptReconnect: k.Bool("conn.reconnect"),
WhitelistEnabled: k.Bool("conn.whitelist.enabled"),
Whitelist: k.Strings("conn.whitelist.devices"),
OnReqPasskey: onReqPasskey,
Logger: log.Logger,
LogLevel: level,
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
sigCh := make(chan os.Signal, 1)
go func() {
<-sigCh
cancel()
time.Sleep(200 * time.Millisecond)
os.Exit(0)
}()
signal.Notify(
sigCh,
syscall.SIGINT,
syscall.SIGTERM,
)
// Connect to InfiniTime with default options
dev, err := infinitime.Connect(ctx, opts)
if err != nil {
log.Fatal().Err(err).Msg("Error connecting to InfiniTime")
}
// When InfiniTime reconnects
opts.OnReconnect = func() {
if k.Bool("on.reconnect.setTime") {
// Set time to current time
err = dev.SetTime(time.Now())
if err != nil {
return
}
}
// If config specifies to notify on reconnect
if k.Bool("on.reconnect.notify") {
// Send notification to InfiniTime
err = dev.Notify("itd", "Successfully reconnected")
if err != nil {
return
}
}
// FS must be updated on reconnect
updateFS = true
// Resend weather on reconnect
sendWeatherCh <- struct{}{}
}
// Get firmware version
ver, err := dev.Version()
if err != nil {
log.Error().Err(err).Msg("Error getting firmware version")
}
// Log connection
log.Info().Str("version", ver).Msg("Connected to InfiniTime")
// If config specifies to notify on connect
if k.Bool("on.connect.notify") {
// Send notification to InfiniTime
err = dev.Notify("itd", "Successfully connected")
if err != nil {
log.Error().Err(err).Msg("Error sending notification to InfiniTime")
}
}
// Set time to current time
err = dev.SetTime(time.Now())
if err != nil {
log.Error().Err(err).Msg("Error setting current time on connected InfiniTime")
}
// Set time corresponding to current time
err = dev.SetTimezone(time.Now())
if err != nil {
log.Error().Err(err).Msg("Error setting local time on connected InfiniTime")
}
// Initialize music controls
err = initMusicCtrl(dev)
if err != nil {
log.Error().Err(err).Msg("Error initializing music control")
}
// Start control socket
err = initCallNotifs(ctx, dev)
if err != nil {
log.Error().Err(err).Msg("Error initializing call notifications")
}
// Initialize notification relay
err = initNotifRelay(ctx, dev)
if err != nil {
log.Error().Err(err).Msg("Error initializing notification relay")
}
// Initializa weather
err = initWeather(ctx, dev)
if err != nil {
log.Error().Err(err).Msg("Error initializing weather")
}
// Initialize metrics collection
err = initMetrics(ctx, dev)
if err != nil {
log.Error().Err(err).Msg("Error intializing metrics collection")
}
// Start control socket
err = startSocket(ctx, dev)
if err != nil {
log.Error().Err(err).Msg("Error starting socket")
}
// Block forever
select {}
}
func onReqPasskey() (uint32, error) {
var out uint32
if isatty.IsTerminal(os.Stdin.Fd()) {
fmt.Print("Passkey: ")
_, err := fmt.Scanln(&out)
if err != nil {
return 0, err
}
} else {
passkey, ok, err := dlgs.Entry("Pairing", "Enter the passkey displayed on your watch.", "")
if err != nil {
return 0, err
}
if !ok {
return 0, nil
}
passkeyInt, err := strconv.Atoi(passkey)
return uint32(passkeyInt), err
}
return out, nil
}