102 lines
2.6 KiB
Go
102 lines
2.6 KiB
Go
package main
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import (
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"html/template"
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"log"
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"net"
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"os"
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"path/filepath"
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"sync"
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"sync/atomic"
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"time"
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"git.sr.ht/~michalr/go-satel"
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tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
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)
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const (
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PersistenceFilename = "hs_wro_last_seen.bin"
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retryDelaySec = 25
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)
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type RealSleeper struct {
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duration time.Duration
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}
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func (self RealSleeper) Sleep(ch chan<- interface{}) {
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go func() {
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time.Sleep(self.duration)
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ch <- nil
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}()
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}
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func makeSatel(satelAddr string, poolInterval time.Duration) *satel.Satel {
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satelConn, err := net.Dial("tcp", satelAddr)
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if err != nil {
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panic(err)
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}
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return satel.NewConfig(satelConn, satel.Config{EventsQueueSize: 10, PoolingInterval: poolInterval})
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}
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func getPersistenceFilePath() string {
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var stateDir = os.Getenv("STATE_DIRECTORY")
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if len(stateDir) != 0 {
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return filepath.Join(stateDir, PersistenceFilename)
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}
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return PersistenceFilename
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}
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func main() {
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var (
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wg sync.WaitGroup
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tgEvents = make(chan GenericMessage, 5)
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logger = log.New(os.Stderr, "Main", log.Lmicroseconds)
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sleeper = RealSleeper{time.Second * 60}
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cleanShutdown = atomic.Bool{}
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)
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cleanShutdown.Store(false)
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config := MakeConfig(logger)
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s := makeSatel(config.SatelAddr, config.PoolInterval.GetDuration())
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logger.Printf("Connected to Satel: %s", config.SatelAddr)
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bot, err := tgbotapi.NewBotAPI(os.Getenv("TELEGRAM_APITOKEN"))
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if err != nil {
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panic(err)
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}
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logger.Print("Created Telegram Bot API client")
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tgSender := TgSender{bot, s, log.New(os.Stderr, "TgFormatter", log.Lmicroseconds), config.ChatIds}
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tpl := template.Must(template.New("TelegramMessage").Parse(TelegramMessageTemplate))
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dataStore := MakeDataStore(log.New(os.Stderr, "DataStore", log.Lmicroseconds), getPersistenceFilePath())
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Consume(
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SendToTg(Throttle(NotifyViaHTTP(tgEvents, config, &wg, log.New(os.Stderr, "HTTPNotify", log.Lmicroseconds)),
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&wg, sleeper, log.New(os.Stderr, "MessageThrottle", log.Lmicroseconds)),
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tgSender, &wg, log.New(os.Stderr, "SendToTg", log.Lmicroseconds), tpl),
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)
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go CloseSatelOnCtrlC(s, &cleanShutdown)
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for e := range FilterByTypeOrIndex(
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FilterByLastSeen(s.Events, &wg, &dataStore, log.New(os.Stderr, "FilterByLastSeen", log.Lmicroseconds)),
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&wg, config.AllowedTypes, config.AllowedIndexes) {
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logger.Print("Received change from SATEL: ", e)
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tgEvents <- GenericMessage{e.BasicEvents}
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}
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closeDebugTools := make(chan interface{})
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WriteMemoryProfilePeriodically(&wg, log.New(os.Stderr, "DebugTools", log.Lmicroseconds), closeDebugTools)
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logger.Print("Closing...")
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close(closeDebugTools)
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close(tgEvents)
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wg.Wait()
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if cleanShutdown.Load() {
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os.Exit(0)
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}
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os.Exit(1)
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}
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