61 lines
1.3 KiB
Go
61 lines
1.3 KiB
Go
package main
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import (
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"context"
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"flag"
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"log/slog"
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"os"
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"os/signal"
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"syscall"
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"time"
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"arcline-email/config"
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)
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func main() {
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cfgPath := flag.String("config", "arcline-email.toml", "path to config file")
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flag.Parse()
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cfg, err := config.Load(*cfgPath)
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if err != nil {
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slog.Error("failed to load config", "err", err)
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os.Exit(1)
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}
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logger := newLogger(cfg.Logging)
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slog.SetDefault(logger)
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slog.Info("arcline-email starting", "hostname", cfg.Server.Hostname)
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// TODO: initialize and start servers (SMTP, IMAP)
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ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
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defer stop()
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<-ctx.Done()
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slog.Info("shutdown signal received")
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stop() // release signal resources before shutdown
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shutdownCtx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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// TODO: call server.Shutdown(shutdownCtx) for each listener
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_ = shutdownCtx
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slog.Info("shutdown complete")
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}
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func newLogger(cfg config.LoggingConfig) *slog.Logger {
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var level slog.Level
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if err := level.UnmarshalText([]byte(cfg.Level)); err != nil {
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level = slog.LevelInfo
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}
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opts := &slog.HandlerOptions{Level: level}
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if cfg.Format == "text" {
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return slog.New(slog.NewTextHandler(os.Stdout, opts))
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}
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return slog.New(slog.NewJSONHandler(os.Stdout, opts))
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}
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