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-rw-r--r--middleware/backend.go32
1 files changed, 0 insertions, 32 deletions
diff --git a/middleware/backend.go b/middleware/backend.go
deleted file mode 100644
index bf4bf8967..000000000
--- a/middleware/backend.go
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@@ -1,32 +0,0 @@
-package middleware
-
-import (
- "github.com/coredns/coredns/middleware/etcd/msg"
- "github.com/coredns/coredns/request"
-
- "github.com/miekg/dns"
-)
-
-// ServiceBackend defines a (dynamic) backend that returns a slice of service definitions.
-type ServiceBackend interface {
- // Services communicates with the backend to retrieve the service definition. Exact indicates
- // on exact much are that we are allowed to recurs.
- Services(state request.Request, exact bool, opt Options) ([]msg.Service, error)
-
- // Reverse communicates with the backend to retrieve service definition based on a IP address
- // instead of a name. I.e. a reverse DNS lookup.
- Reverse(state request.Request, exact bool, opt Options) ([]msg.Service, error)
-
- // Lookup is used to find records else where.
- Lookup(state request.Request, name string, typ uint16) (*dns.Msg, error)
-
- // Returns _all_ services that matches a certain name.
- // Note: it does not implement a specific service.
- Records(state request.Request, exact bool) ([]msg.Service, error)
-
- // IsNameError return true if err indicated a record not found condition
- IsNameError(err error) bool
-}
-
-// Options are extra options that can be specified for a lookup.
-type Options struct{}