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Move middleware to interfaces.

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This makes separating middlewares from the core api easier.
As an example, the authorization middleware is moved to
it's own package.

Initialize all static middlewares when the server is created, reducing
allocations every time a route is wrapper with the middlewares.

Signed-off-by: David Calavera <david.calavera@gmail.com>
This commit is contained in:
David Calavera
2016-04-08 16:22:39 -07:00
parent e626011bfb
commit 8d3467626e
12 changed files with 218 additions and 155 deletions
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14
api/server/middleware/middleware.go
View File

@ -1,7 +1,13 @@
package middleware
import "github.com/docker/docker/api/server/httputils"
import (
"net/http"
// Middleware is an adapter to allow the use of ordinary functions as Docker API filters.
// Any function that has the appropriate signature can be registered as a middleware.
type Middleware func(handler httputils.APIFunc) httputils.APIFunc
"golang.org/x/net/context"
)
// Middleware is an interface to allow the use of ordinary functions as Docker API filters.
// Any struct that has the appropriate signature can be registered as a middleware.
type Middleware interface {
WrapHandler(func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error) func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error
}