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handlers_onrequest.go
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/
handlers_onrequest.go
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package handlers
import (
"net/http"
"github.com/codedellemc/libstorage/api/types"
)
// OnRequest is a handler to which an external provider can attach that is
// invoked for every incoming HTTP request.
var OnRequest types.APIFunc
type onRequestHandler struct {
handler types.APIFunc
}
// NewOnRequestHandler is a handler.
func NewOnRequestHandler() types.Middleware {
return &onRequestHandler{}
}
func (h *onRequestHandler) Name() string {
return "transaction-handler"
}
func (h *onRequestHandler) Handler(m types.APIFunc) types.APIFunc {
return (&onRequestHandler{m}).Handle
}
// Handle is the type's Handler function.
func (h *onRequestHandler) Handle(
ctx types.Context,
w http.ResponseWriter,
req *http.Request,
store types.Store) error {
if OnRequest != nil {
if err := OnRequest(ctx, w, req, store); err != nil {
return err
}
}
return h.handler(ctx, w, req, store)
}