github.com/circl-dev/go-swagger@v0.31.0/examples/stream-server/restapi/configure_countdown.go (about)

     1  // This file is safe to edit. Once it exists it will not be overwritten
     2  
     3  package restapi
     4  
     5  import (
     6  	"crypto/tls"
     7  	"io"
     8  	"net/http"
     9  
    10  	"github.com/circl-dev/go-swagger/examples/stream-server/biz"
    11  	runtime "github.com/circl-dev/runtime"
    12  	middleware "github.com/circl-dev/runtime/middleware"
    13  	errors "github.com/go-openapi/errors"
    14  
    15  	"github.com/circl-dev/go-swagger/examples/stream-server/restapi/operations"
    16  )
    17  
    18  //go:generate swagger generate server --target .. --name Countdown --spec ../swagger.yml
    19  
    20  func configureFlags(api *operations.CountdownAPI) {
    21  	// api.CommandLineOptionsGroups = []swag.CommandLineOptionsGroup{ ... }
    22  }
    23  
    24  func configureAPI(api *operations.CountdownAPI) http.Handler {
    25  	// configure the api here
    26  	api.ServeError = errors.ServeError
    27  
    28  	// Set your custom logger if needed. Default one is log.Printf
    29  	// Expected interface func(string, ...interface{})
    30  	//
    31  	// Example:
    32  	// api.Logger = log.Printf
    33  
    34  	api.JSONConsumer = runtime.JSONConsumer()
    35  
    36  	api.JSONProducer = runtime.JSONProducer()
    37  
    38  	myCounter := &biz.MyCounter{}
    39  	api.ElapseHandler = operations.ElapseHandlerFunc(func(params operations.ElapseParams) middleware.Responder {
    40  		if params.Length == 11 {
    41  			return operations.NewElapseForbidden()
    42  		}
    43  		return middleware.ResponderFunc(func(rw http.ResponseWriter, p runtime.Producer) {
    44  			f, _ := rw.(http.Flusher)
    45  			rw.WriteHeader(200)
    46  			_ = myCounter.Down(params.Length, &flushWriter{f: f, w: rw})
    47  		})
    48  
    49  	})
    50  
    51  	api.ServerShutdown = func() {}
    52  
    53  	return setupGlobalMiddleware(api.Serve(setupMiddlewares))
    54  }
    55  
    56  // Via https://play.golang.org/p/PpbPyXbtEs
    57  type flushWriter struct {
    58  	f http.Flusher
    59  	w io.Writer
    60  }
    61  
    62  // Via https://play.golang.org/p/PpbPyXbtEs
    63  func (fw *flushWriter) Write(p []byte) (n int, err error) {
    64  	n, err = fw.w.Write(p)
    65  	if fw.f != nil {
    66  		fw.f.Flush()
    67  	}
    68  	return
    69  }
    70  
    71  // The TLS configuration before HTTPS server starts.
    72  func configureTLS(tlsConfig *tls.Config) {
    73  	// Make all necessary changes to the TLS configuration here.
    74  }
    75  
    76  // As soon as server is initialized but not run yet, this function will be called.
    77  // If you need to modify a config, store server instance to stop it individually later, this is the place.
    78  // This function can be called multiple times, depending on the number of serving schemes.
    79  // scheme value will be set accordingly: "http", "https" or "unix".
    80  func configureServer(s *http.Server, scheme, addr string) {
    81  }
    82  
    83  // The middleware configuration is for the handler executors. These do not apply to the swagger.json document.
    84  // The middleware executes after routing but before authentication, binding and validation.
    85  func setupMiddlewares(handler http.Handler) http.Handler {
    86  	return handler
    87  }
    88  
    89  // The middleware configuration happens before anything, this middleware also applies to serving the swagger.json document.
    90  // So this is a good place to plug in a panic handling middleware, logging and metrics.
    91  func setupGlobalMiddleware(handler http.Handler) http.Handler {
    92  	return handler
    93  }