BrainMinder/cmd/web/server.go
2024-08-22 10:13:16 +02:00

62 lines
1.2 KiB
Go

package main
import (
"context"
"errors"
"fmt"
"log/slog"
"net/http"
"os"
"os/signal"
"syscall"
"time"
)
const (
defaultIdleTimeout = time.Minute
defaultReadTimeout = 5 * time.Second
defaultWriteTimeout = 10 * time.Second
defaultShutdownPeriod = 30 * time.Second
)
func (app *application) serveHTTP() error {
srv := &http.Server{
Addr: fmt.Sprintf(":%d", app.config.httpPort),
Handler: app.routes(),
ErrorLog: slog.NewLogLogger(app.logger.Handler(), slog.LevelWarn),
IdleTimeout: defaultIdleTimeout,
ReadTimeout: defaultReadTimeout,
WriteTimeout: defaultWriteTimeout,
}
shutdownErrorChan := make(chan error)
go func() {
quitChan := make(chan os.Signal, 1)
signal.Notify(quitChan, syscall.SIGINT, syscall.SIGTERM)
<-quitChan
ctx, cancel := context.WithTimeout(context.Background(), defaultShutdownPeriod)
defer cancel()
shutdownErrorChan <- srv.Shutdown(ctx)
}()
app.logger.Info("starting server", slog.Group("server", "addr", srv.Addr))
err := srv.ListenAndServe()
if !errors.Is(err, http.ErrServerClosed) {
return err
}
err = <-shutdownErrorChan
if err != nil {
return err
}
app.logger.Info("stopped server", slog.Group("server", "addr", srv.Addr))
app.wg.Wait()
return nil
}