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Add fsnotify handling

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This commit is contained in:
DerInti
2024-07-28 18:32:58 +02:00
parent 1a6de9b64f
commit 6a43bf1e10
5 changed files with 31 additions and 9 deletions
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18
cmd/root.go
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@@ -4,6 +4,7 @@ import (
"log/slog"
"math/rand/v2"
"os"
"path"
"time"
"github.com/fsnotify/fsnotify"
@@ -37,7 +38,7 @@ func (db InputDb) Lookup(key int) string {
func main() {
var db InputDb
done := make(chan struct{}, 1)
ticker := time.NewTicker(3 * time.Millisecond)
ticker := time.NewTicker(100 * time.Millisecond)
watcher, err := fsnotify.NewWatcher()
if err != nil {
@@ -47,9 +48,9 @@ func main() {
newInputDbFromFile("input/input.yml", &db)
slog.Info("Loaded DB", "db", db)
err = watcher.Add("input/input.yml")
err = watcher.Add("input/")
if err != nil {
slog.Error("Could not watch path", "path", "input/input.yml")
slog.Error("Could not watch path", "path", "input/")
}
go func() {
@@ -59,12 +60,13 @@ func main() {
key := rand.IntN(9) + 1
value := db.Lookup(key)
slog.Info("Got Rand", "key", key, "value", value, "ticker", t)
case event, ok := <-watcher.Events:
if !ok {
slog.Error("Could not log Event", "event.name", event.Name, "event.op", event.Op)
case event := <-watcher.Events:
if event.Has(fsnotify.Write) && event.Name == "input/input.yml" {
slog.Info("Got Event", "event.name", event.Name, "event.name.base", path.Base(event.Name), "event.name.dir", path.Dir(event.Name), "event.op", event.Op, "watchlist", watcher.WatchList())
newInputDbFromFile("input/input.yml", &db)
}
slog.Info("Got Event", "event.name", event.Name, "event.op", event.Op)
newInputDbFromFile("input/input.yml", &db)
case err := <-watcher.Errors:
slog.Error("Could not watch", "error", err)
}
}
}()