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BackendService: add Reverse method (#381)

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Add a Reverse method to BackendService because different backends want
to to do diff. things. This allows etc/k8s to share even more code and
we can unify the PTR handling.
This commit is contained in:
Miek Gieben
2016-11-05 15:43:27 +00:00
committed by GitHub
parent 2cca527d9f
commit 8d3418c015
6 changed files with 33 additions and 37 deletions
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6
middleware/backend.go
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@@ -9,10 +9,14 @@ import (
// ServiceBackend defines a (dynamic) backend that returns a slice of service definitions.
type ServiceBackend interface {
// Services communitates with the backend to retrieve the service defintion. Exact indicates
// Services communicates with the backend to retrieve the service defintion. Exact indicates
// on exact much are that we are allowed to recurs.
Services(state request.Request, exact bool, opt Options) ([]msg.Service, []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, []msg.Service, error)
// Lookup is used to find records else where.
Lookup(state request.Request, name string, typ uint16) (*dns.Msg, error)