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kratos/middleware/middleware.go
2021-05-20 23:30:50 +08:00

22 lines
501 B
Go

package middleware
import (
"context"
)
// Handler defines the handler invoked by Middleware.
type Handler func(ctx context.Context, req interface{}) (interface{}, error)
// Middleware is HTTP/gRPC transport middleware.
type Middleware func(Handler) Handler
// Chain returns a Middleware that specifies the chained handler for endpoint.
func Chain(m ...Middleware) Middleware {
return func(next Handler) Handler {
for i := len(m) - 1; i >= 0; i-- {
next = m[i](next)
}
return next
}
}