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Potentially multiple callback URLs for events

This commit is contained in:
Michał Rudowicz 2024-03-24 09:32:03 +01:00
parent 2c3286206e
commit 12fc45ec38
3 changed files with 121 additions and 93 deletions

View File

@ -1,6 +1,12 @@
package main
import (
"flag"
"fmt"
"log"
"os"
"strconv"
"strings"
"time"
"git.sr.ht/~michalr/go-satel"
@ -12,4 +18,82 @@ type AppConfig struct {
allowedTypes []satel.ChangeType
allowedIndexes []int
poolInterval time.Duration
armCallbackUrls []string
disarmCallbackUrls []string
alarmCallbackUrls []string
}
func getCmdLineParams(config *AppConfig, logger *log.Logger) {
satelApiAddr := flag.String("satel-addr", "", "Address that should be used to connect to the SATEL device")
satelApiPort := flag.String("satel-port", "7094", "Port that should be used to connect to the SATEL device")
chatIdRaw := flag.String("tg-chat-id", "", "Telegram Chat ID where to send updates. Use \",\" to specify multiple IDs.")
allowedTypesRaw := flag.String("allowed-types", "", "Satel change types that are allowed. All other types will be discarded. By default all are allowed. Use \",\" to specify multiple types.")
allowedIndexesRaw := flag.String("allowed-indexes", "", "Satel indexes (zones?) that are allowed. All other indexes will be discarded. By default all are allowed. Use \",\" to specify multiple indexes.")
satelPoolInterval := flag.Duration("pool-interval", 5*time.Second, "How often should the SATEL device be pooled for changes? Default: 5 seconds.")
flag.Parse()
if len(*satelApiAddr) == 0 || len(*satelApiPort) == 0 || len(*chatIdRaw) == 0 {
logger.Fatal("Use --satel-addr=ADDR, --satel-port=PORT and --tg-chat-id=CHAT_ID command line flags to continue.")
}
chatIdsStrings := strings.Split(*chatIdRaw, ",")
var chatIds []int64
for _, chatIdStr := range chatIdsStrings {
chatId, err := strconv.ParseInt(chatIdStr, 10, 64)
if err != nil {
logger.Fatalf("Tried to use a non-int value for one of tg_chatIds: %s. That's bad.", chatIdStr)
}
chatIds = append(chatIds, chatId)
}
allowedTypesStrings := strings.Split(*allowedTypesRaw, ",")
var allowedTypes []satel.ChangeType
for _, allowedTypeStr := range allowedTypesStrings {
if len(allowedTypeStr) == 0 {
continue
}
allowedType, err := StringToSatelChangeType(allowedTypeStr)
if err != nil {
logger.Fatalf("Error trying to understand an allowed type: %s.", err)
}
allowedTypes = append(allowedTypes, allowedType)
}
allowedIndexesStrings := strings.Split(*allowedIndexesRaw, ",")
var allowedIndexes []int
for _, allowedIndexStr := range allowedIndexesStrings {
if len(allowedIndexStr) == 0 {
continue
}
allowedIndex, err := strconv.ParseInt(allowedIndexStr, 10, 0)
if err != nil {
logger.Fatalf("Tried to use a non-int value for one of allowed indexes: %s. That's bad.", allowedIndexStr)
}
allowedIndexes = append(allowedIndexes, int(allowedIndex))
}
satelAddr := fmt.Sprintf("%s:%s", *satelApiAddr, *satelApiPort)
config.satelAddr = satelAddr
config.chatIds = chatIds
config.allowedTypes = allowedTypes
config.allowedIndexes = allowedIndexes
config.poolInterval = *satelPoolInterval
}
func MakeConfig(logger *log.Logger) AppConfig {
config := AppConfig{}
config.armCallbackUrls = []string{}
config.disarmCallbackUrls = []string{}
config.alarmCallbackUrls = []string{}
if len(os.Getenv("NOTIFY_URL_ARM")) != 0 {
config.armCallbackUrls = append(config.armCallbackUrls, os.Getenv("NOTIFY_URL_ARM"))
}
if len(os.Getenv("NOTIFY_URL_DISARM")) != 0 {
config.disarmCallbackUrls = append(config.disarmCallbackUrls, os.Getenv("NOTIFY_URL_DISARM"))
}
if len(os.Getenv("ALARM_URL_ARM")) != 0 {
config.alarmCallbackUrls = append(config.alarmCallbackUrls, os.Getenv("ALARM_URL_ARM"))
}
getCmdLineParams(&config, logger)
return config
}

66
main.go
View File

@ -1,15 +1,11 @@
package main
import (
"flag"
"fmt"
"html/template"
"log"
"net"
"os"
"path/filepath"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
@ -34,56 +30,6 @@ func (self RealSleeper) Sleep(ch chan<- interface{}) {
}()
}
func getCmdLineParams(logger *log.Logger) AppConfig {
satelApiAddr := flag.String("satel-addr", "", "Address that should be used to connect to the SATEL device")
satelApiPort := flag.String("satel-port", "7094", "Port that should be used to connect to the SATEL device")
chatIdRaw := flag.String("tg-chat-id", "", "Telegram Chat ID where to send updates. Use \",\" to specify multiple IDs.")
allowedTypesRaw := flag.String("allowed-types", "", "Satel change types that are allowed. All other types will be discarded. By default all are allowed. Use \",\" to specify multiple types.")
allowedIndexesRaw := flag.String("allowed-indexes", "", "Satel indexes (zones?) that are allowed. All other indexes will be discarded. By default all are allowed. Use \",\" to specify multiple indexes.")
satelPoolInterval := flag.Duration("pool-interval", 5*time.Second, "How often should the SATEL device be pooled for changes? Default: 5 seconds.")
flag.Parse()
if len(*satelApiAddr) == 0 || len(*satelApiPort) == 0 || len(*chatIdRaw) == 0 {
logger.Fatal("Use --satel-addr=ADDR, --satel-port=PORT and --tg-chat-id=CHAT_ID command line flags to continue.")
}
chatIdsStrings := strings.Split(*chatIdRaw, ",")
var chatIds []int64
for _, chatIdStr := range chatIdsStrings {
chatId, err := strconv.ParseInt(chatIdStr, 10, 64)
if err != nil {
logger.Fatalf("Tried to use a non-int value for one of tg_chatIds: %s. That's bad.", chatIdStr)
}
chatIds = append(chatIds, chatId)
}
allowedTypesStrings := strings.Split(*allowedTypesRaw, ",")
var allowedTypes []satel.ChangeType
for _, allowedTypeStr := range allowedTypesStrings {
if len(allowedTypeStr) == 0 {
continue
}
allowedType, err := StringToSatelChangeType(allowedTypeStr)
if err != nil {
logger.Fatalf("Error trying to understand an allowed type: %s.", err)
}
allowedTypes = append(allowedTypes, allowedType)
}
allowedIndexesStrings := strings.Split(*allowedIndexesRaw, ",")
var allowedIndexes []int
for _, allowedIndexStr := range allowedIndexesStrings {
if len(allowedIndexStr) == 0 {
continue
}
allowedIndex, err := strconv.ParseInt(allowedIndexStr, 10, 0)
if err != nil {
logger.Fatalf("Tried to use a non-int value for one of allowed indexes: %s. That's bad.", allowedIndexStr)
}
allowedIndexes = append(allowedIndexes, int(allowedIndex))
}
satelAddr := fmt.Sprintf("%s:%s", *satelApiAddr, *satelApiPort)
return AppConfig{satelAddr, chatIds, allowedTypes, allowedIndexes, *satelPoolInterval}
}
func makeSatel(satelAddr string, poolInterval time.Duration) *satel.Satel {
satelConn, err := net.Dial("tcp", satelAddr)
if err != nil {
@ -110,10 +56,10 @@ func main() {
)
stopRequested.Store(false)
cfg := getCmdLineParams(logger)
config := MakeConfig(logger)
s := makeSatel(cfg.satelAddr, cfg.poolInterval)
logger.Printf("Connected to Satel: %s", cfg.satelAddr)
s := makeSatel(config.satelAddr, config.poolInterval)
logger.Printf("Connected to Satel: %s", config.satelAddr)
bot, err := tgbotapi.NewBotAPI(os.Getenv("TELEGRAM_APITOKEN"))
if err != nil {
@ -121,14 +67,14 @@ func main() {
}
logger.Print("Created Telegram Bot API client")
tgSender := TgSender{bot, s, log.New(os.Stderr, "TgFormatter", log.Lmicroseconds), cfg.chatIds}
tgSender := TgSender{bot, s, log.New(os.Stderr, "TgFormatter", log.Lmicroseconds), config.chatIds}
tpl := template.Must(template.New("TelegramMessage").Parse(TelegramMessageTemplate))
dataStore := MakeDataStore(log.New(os.Stderr, "DataStore", log.Lmicroseconds), getPersistenceFilePath())
Consume(
SendToTg(Throttle(NotifyViaHTTP(tgEvents, &wg, log.New(os.Stderr, "HTTPNotify", log.Lmicroseconds)),
SendToTg(Throttle(NotifyViaHTTP(tgEvents, config, &wg, log.New(os.Stderr, "HTTPNotify", log.Lmicroseconds)),
&wg, sleeper, log.New(os.Stderr, "MessageThrottle", log.Lmicroseconds)),
tgSender, &wg, log.New(os.Stderr, "SendToTg", log.Lmicroseconds), tpl),
)
@ -138,7 +84,7 @@ func main() {
for stopRequested.Load() == false {
for e := range FilterByTypeOrIndex(
FilterByLastSeen(s.Events, &wg, &dataStore, log.New(os.Stderr, "FilterByLastSeen", log.Lmicroseconds)),
&wg, cfg.allowedTypes, cfg.allowedIndexes) {
&wg, config.allowedTypes, config.allowedIndexes) {
logger.Print("Received change from SATEL: ", e)
tgEvents <- GenericMessage{e.BasicEvents}
}

View File

@ -4,7 +4,6 @@ import (
"html/template"
"log"
"net/http"
"os"
"sync"
"git.sr.ht/~michalr/go-satel"
@ -52,6 +51,7 @@ func SendToTg(events <-chan GenericMessage, s Sender, wg *sync.WaitGroup, logger
func doHttpNotification(url string, logger *log.Logger, wg *sync.WaitGroup) {
wg.Add(1)
defer wg.Done()
if len(url) == 0 {
return
}
@ -65,43 +65,41 @@ func doHttpNotification(url string, logger *log.Logger, wg *sync.WaitGroup) {
logger.Print("Notified via HTTP with result ", res.StatusCode)
}
func NotifyViaHTTP(events <-chan GenericMessage, wg *sync.WaitGroup, logger *log.Logger) <-chan GenericMessage {
func notifyAllHttp(urls []string, logger *log.Logger, wg *sync.WaitGroup) {
for _, uri := range urls {
go doHttpNotification(uri, logger, wg)
}
}
func NotifyViaHTTP(events <-chan GenericMessage, config AppConfig, wg *sync.WaitGroup, logger *log.Logger) <-chan GenericMessage {
returnEvents := make(chan GenericMessage)
armCallbackUrl := os.Getenv("NOTIFY_URL_ARM")
disarmCallbackUrl := os.Getenv("NOTIFY_URL_DISARM")
alarmCallbackUrl := os.Getenv("ALARM_URL_ARM")
armDisarmCallbackEnabled := (len(armCallbackUrl) != 0) && (len(disarmCallbackUrl) != 0)
alarmCallbackEnabled := (len(alarmCallbackUrl) != 0)
go func() {
wg.Add(1)
defer wg.Done()
for e := range events {
returnEvents <- e
if armDisarmCallbackEnabled {
inner_arm:
for _, basicElement := range e.Messages {
if (basicElement.Index == NotificationPartitionIndex) && (basicElement.Type == satel.ArmedPartition) {
if basicElement.Value == ArmedPartition_Armed {
go doHttpNotification(armCallbackUrl, logger, wg)
notifyAllHttp(config.armCallbackUrls, logger, wg)
} else {
go doHttpNotification(disarmCallbackUrl, logger, wg)
notifyAllHttp(config.disarmCallbackUrls, logger, wg)
}
break inner_arm
}
}
}
if alarmCallbackEnabled {
inner_alarm:
for _, basicElement := range e.Messages {
if basicElement.Type == satel.PartitionAlarm {
if basicElement.Value == PartitionAlarm_Alarm {
go doHttpNotification(alarmCallbackUrl, logger, wg)
notifyAllHttp(config.alarmCallbackUrls, logger, wg)
break inner_alarm
}
}
}
}
}
close(returnEvents)
}()