// Copyright 2024 Google LLC
// SPDX-License-Identifier: Apache-2.0
package server
import (
"context"
"errors"
"fmt"
"net/http"
"os"
"os/signal"
"syscall"
)
// Start starts a new HTTP server and manages its lifecycle.
// This is a convenience function since Go does not manage interrupt signals directly.
func Start(ctx context.Context, addr string, mux *http.ServeMux) error {
ctx, cancel := signal.NotifyContext(ctx, os.Interrupt, syscall.SIGTERM)
defer cancel()
srv := &http.Server{
Addr: addr,
Handler: mux,
}
errChan := make(chan error, 1)
go func() {
if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
errChan <- fmt.Errorf("server error: %w", err)
}
cancel()
}()
select {
case err := <-errChan:
return err
case <-ctx.Done():
if err := srv.Shutdown(ctx); err != nil {
return fmt.Errorf("failed to shutdown server: %w", err)
}
}
return nil
}