middlewares

package
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Published: Jul 19, 2016 License: MIT Imports: 20 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func SetBackend2FrontendMap

func SetBackend2FrontendMap(newMap *map[string]string)

SetBackend2FrontendMap is called by server.go to set up frontend translation

Types

type CircuitBreaker

type CircuitBreaker struct {
	// contains filtered or unexported fields
}

CircuitBreaker holds the oxy circuit breaker.

func NewCircuitBreaker

func NewCircuitBreaker(next http.Handler, expression string, options ...cbreaker.CircuitBreakerOption) (*CircuitBreaker, error)

NewCircuitBreaker returns a new CircuitBreaker.

func (*CircuitBreaker) ServeHTTP

func (cb *CircuitBreaker) ServeHTTP(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc)

type HandlerSwitcher

type HandlerSwitcher struct {
	// contains filtered or unexported fields
}

HandlerSwitcher allows hot switching of http.ServeMux

func NewHandlerSwitcher

func NewHandlerSwitcher(newHandler *mux.Router) (hs *HandlerSwitcher)

NewHandlerSwitcher builds a new instance of HandlerSwitcher

func (*HandlerSwitcher) GetHandler

func (hs *HandlerSwitcher) GetHandler() (newHandler *mux.Router)

GetHandler returns the current http.ServeMux

func (*HandlerSwitcher) ServeHTTP

func (hs *HandlerSwitcher) ServeHTTP(rw http.ResponseWriter, r *http.Request)

func (*HandlerSwitcher) UpdateHandler

func (hs *HandlerSwitcher) UpdateHandler(newHandler *mux.Router)

UpdateHandler safely updates the current http.ServeMux with a new one

type Logger

type Logger struct {
	// contains filtered or unexported fields
}

Logger writes each request and its response to the access log. It gets some information from the logInfoResponseWriter set up by previous middleware.

func NewLogger

func NewLogger(file string) *Logger

NewLogger returns a new Logger instance.

func (*Logger) Close

func (l *Logger) Close()

Close closes the Logger (i.e. the file).

func (*Logger) ServeHTTP

func (l *Logger) ServeHTTP(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc)

type ResponseRecorder

type ResponseRecorder struct {
	Code      int           // the HTTP response code from WriteHeader
	HeaderMap http.Header   // the HTTP response headers
	Body      *bytes.Buffer // if non-nil, the bytes.Buffer to append written data to
	// contains filtered or unexported fields
}

ResponseRecorder is an implementation of http.ResponseWriter that records its mutations for later inspection in tests.

func NewRecorder

func NewRecorder() *ResponseRecorder

NewRecorder returns an initialized ResponseRecorder.

func (*ResponseRecorder) Header

func (rw *ResponseRecorder) Header() http.Header

Header returns the response headers.

func (*ResponseRecorder) Hijack

func (rw *ResponseRecorder) Hijack() (net.Conn, *bufio.ReadWriter, error)

Hijack hijacks the connection

func (*ResponseRecorder) Write

func (rw *ResponseRecorder) Write(buf []byte) (int, error)

Write always succeeds and writes to rw.Body, if not nil.

func (*ResponseRecorder) WriteHeader

func (rw *ResponseRecorder) WriteHeader(code int)

WriteHeader sets rw.Code.

type Retry

type Retry struct {
	// contains filtered or unexported fields
}

Retry is a middleware that retries requests

func NewRetry

func NewRetry(attempts int, next http.Handler) *Retry

NewRetry returns a new Retry instance

func (*Retry) ServeHTTP

func (retry *Retry) ServeHTTP(rw http.ResponseWriter, r *http.Request)

type Rewrite

type Rewrite struct {
	// contains filtered or unexported fields
}

Rewrite is a middleware that allows redirections

func NewRewrite

func NewRewrite(regex, replacement string, redirect bool) (*Rewrite, error)

NewRewrite creates a Rewrite middleware

func (*Rewrite) ServeHTTP

func (rewrite *Rewrite) ServeHTTP(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc)

type Routes

type Routes struct {
	// contains filtered or unexported fields
}

Routes holds the gorilla mux routes (for the API & co).

func NewRoutes

func NewRoutes(router *mux.Router) *Routes

NewRoutes return a Routes based on the given router.

func (*Routes) ServeHTTP

func (router *Routes) ServeHTTP(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc)

type SaveBackend

type SaveBackend struct {
	// contains filtered or unexported fields
}

SaveBackend sends the backend name to the logger.

func NewSaveBackend

func NewSaveBackend(next http.Handler) *SaveBackend

NewSaveBackend creates a SaveBackend

func (*SaveBackend) ServeHTTP

func (sb *SaveBackend) ServeHTTP(rw http.ResponseWriter, r *http.Request)

type StripPrefix

type StripPrefix struct {
	Handler  http.Handler
	Prefixes []string
}

StripPrefix is a middleware used to strip prefix from an URL request

func (*StripPrefix) ServeHTTP

func (s *StripPrefix) ServeHTTP(w http.ResponseWriter, r *http.Request)

func (*StripPrefix) SetHandler

func (s *StripPrefix) SetHandler(Handler http.Handler)

SetHandler sets handler

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