func ExampleWithTimeout() {
// Pass a context with a timeout to tell a blocking function that it
// should abandon its work after the timeout elapses.
ctx, _ := context.WithTimeout(context.Background(), 100*time.Millisecond)
select {
case <-time.After(200 * time.Millisecond):
fmt.Println("overslept")
case <-ctx.Done():
fmt.Println(ctx.Err()) // prints "context deadline exceeded"
}
// Output:
// context deadline exceeded
}
func (w *Weavebox) makeHTTPRouterHandle(h Handler) httprouter.Handle {
return func(rw http.ResponseWriter, r *http.Request, params httprouter.Params) {
if w.context == nil {
w.context = context.Background()
}
ctx := &Context{
Context: w.context,
vars: params,
response: rw,
request: r,
weavebox: w,
}
for _, handler := range w.middleware {
if err := handler(ctx); err != nil {
w.ErrorHandler(ctx, err)
return
}
}
if err := h(ctx); err != nil {
w.ErrorHandler(ctx, err)
return
}
}
}