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| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "database/sql" |
| 6 | + "fmt" |
| 7 | + "log" |
| 8 | + "net/http" |
| 9 | + "os/signal" |
| 10 | + "syscall" |
| 11 | + "time" |
| 12 | + |
| 13 | + "github.com/joelseq/sqliteadmin-go" |
| 14 | + _ "github.com/mattn/go-sqlite3" |
| 15 | + "github.com/rs/cors" |
| 16 | + // "github.com/rs/cors" |
| 17 | +) |
| 18 | + |
| 19 | +func main() { |
| 20 | + db, err := sql.Open("sqlite3", "test.db") |
| 21 | + if err != nil { |
| 22 | + log.Fatalf("Error opening database: %v", err) |
| 23 | + } |
| 24 | + sHandler := sqliteadmin.NewHandler(db, "user", "password") |
| 25 | + |
| 26 | + mux := http.NewServeMux() |
| 27 | + |
| 28 | + mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { |
| 29 | + w.Write([]byte("Hello, World!")) |
| 30 | + }) |
| 31 | + |
| 32 | + mux.HandleFunc("/admin", func(w http.ResponseWriter, r *http.Request) { |
| 33 | + if r.Method == "POST" { |
| 34 | + sHandler.Handle(w, r) |
| 35 | + } |
| 36 | + }) |
| 37 | + |
| 38 | + handler := cors.Default().Handler(mux) |
| 39 | + |
| 40 | + s := http.Server{ |
| 41 | + Addr: ":8080", |
| 42 | + Handler: handler, |
| 43 | + } |
| 44 | + |
| 45 | + // Create a done channel to signal when the shutdown is complete |
| 46 | + done := make(chan bool, 1) |
| 47 | + |
| 48 | + // Run graceful shutdown in a separate goroutine |
| 49 | + go gracefulShutdown(&s, done) |
| 50 | + |
| 51 | + fmt.Println("--> Server listening on port 8080") |
| 52 | + |
| 53 | + err = s.ListenAndServe() |
| 54 | + if err != nil && err != http.ErrServerClosed { |
| 55 | + panic(fmt.Sprintf("http server error: %s", err)) |
| 56 | + } |
| 57 | + |
| 58 | + // Wait for the graceful shutdown to complete |
| 59 | + <-done |
| 60 | + log.Println("Graceful shutdown complete.") |
| 61 | +} |
| 62 | + |
| 63 | +func gracefulShutdown(apiServer *http.Server, done chan bool) { |
| 64 | + // Create context that listens for the interrupt signal from the OS. |
| 65 | + ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM) |
| 66 | + defer stop() |
| 67 | + |
| 68 | + // Listen for the interrupt signal. |
| 69 | + <-ctx.Done() |
| 70 | + |
| 71 | + log.Println("shutting down gracefully, press Ctrl+C again to force") |
| 72 | + |
| 73 | + // The context is used to inform the server it has 5 seconds to finish |
| 74 | + // the request it is currently handling |
| 75 | + ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) |
| 76 | + defer cancel() |
| 77 | + if err := apiServer.Shutdown(ctx); err != nil { |
| 78 | + log.Printf("Server forced to shutdown with error: %v", err) |
| 79 | + } |
| 80 | + |
| 81 | + log.Println("Server exiting") |
| 82 | + |
| 83 | + // Notify the main goroutine that the shutdown is complete |
| 84 | + done <- true |
| 85 | +} |
| 86 | + |
| 87 | +// func enableCors(w http.ResponseWriter) { |
| 88 | +// w.Header().Set("Access-Control-Allow-Origin", "*") |
| 89 | +// w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS") |
| 90 | +// w.Header().Set("Access-Control-Allow-Headers", "Accept, Authorization, Content-Type") |
| 91 | +// w.Header().Set("Access-Control-Allow-Credentials", "true") |
| 92 | +// } |
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