save work, not yet working

This commit is contained in:
2023-11-28 16:53:51 +01:00
parent 3094cf9cd4
commit 8ba312d585
6 changed files with 95 additions and 16 deletions

View File

@ -3,11 +3,20 @@ package dispatcher
import "log"
import "time"
import "os"
import "fmt"
import "net/url"
import "encoding/json"
import "udi/mqtt"
import "udi/config"
import "udi/handlers/handler"
import "udi/handlers/ttn"
import "udi/handlers/iot"
type archivingStruct struct {
timestamp string `json:"timestamp"`
topic string `json:"topic"`
payload string `json:"payload"`
}
var handlerMap map[string]handler.Handler = make(map[string]handler.Handler)
var archiverChannel chan mqtt.Message = make(chan mqtt.Message, 100)
@ -21,32 +30,56 @@ func InitDispatcher() {
case "TTN":
handlerMap[handlerEntry.Name] = ttn.NewTTNHandler()
log.Printf("TTN initialized")
case "IoT":
handlerMap[handlerEntry.Name] = iot.NewIoTHandler()
log.Printf("IoT initialized")
default:
log.Fatalf("Handler %s not found", handlerEntry.Name)
}
}
}
func storeMessage(filename, item string) {
file, err := os.OpenFile(archivingFilename, os.O_APPEND | os.O_CREATE | os.O_WRONLY, 0644)
if err != nil {
log.Printf("Unable to open archiving file %s, message is not archived: %s", archivingFilename, err)
return
}
defer file.Close()
archivingString, err := json.Marshal(archivingItem)
if err != nil {
log.Printf("Unable to convert to json, message is not archived: %s", err)
return
}
_, err := file.WriteString(string(message.Payload))
if err != nil {
log.Printf("Unable to write message, message is not archived: %s", err)
return
}
log.Printf("Archiving message in file %s", archivingFilename)
}
func archiver() {
archivingRootDir := config.Config.Archiver.Dir
currentArchivingDir := ""
lastArchivingDir := ""
var lastArchivingDir string
for {
select {
case _ = <- archiverChannel:
case message := <- archiverChannel:
currentTime := time.Now()
currentDateStr := currentTime.Format("2006/01/02")
currentDateStr := currentTime.Format("2006/01/02/15")
currentArchivingDir := archivingRootDir + "/" + currentDateStr
if currentArchivingDir != lastArchivingDir {
err := os.MkdirAll(currentArchivingDir, 0755)
if err := nil {
log.Printf("Unable to create archiving dir %s", currentArchivingDir)
if err != nil {
log.Printf("Unable to create archiving dir %s: %s", currentArchivingDir, err)
}
lastArchivingDir = currentArchivingDir
log.Printf("Archiving dir %s created", currentArchivingDir)
}
archivingFilename := currentArchivingDir + "/" + string(currentTime.Hour()) + "/"
log.Printf("Archiving message")
archivingFilename := fmt.Sprintf("%s/%s", currentArchivingDir, url.PathEscape(message.Topic))
archivingItem := archivingStruct { currentTime.Format("2006-01-02 15:04:05"), message.Topic, string(message.Payload) }
storeMessage(archivingFilename, archivingItem)
}
}
}