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52e01264e8
By defining and using an proxy.Exchanger interface we make the proxy more generic and we can then fold back httproxy into proxy. This overrides #463 and #473 and should make futures extensions rather trivial * Add docs that talk about `protocol` and how to set it. * middleware/proxy: rename New to NewLookup It's used as a Lookup mechanism not as a completely new proxy, reflect that in the name. * Set maxfails to 3 by default when looking up names. Most of the changes have been copied from https://github.com/johnbelamaric/coredns/pull/1/files
19 lines
420 B
Go
19 lines
420 B
Go
package proxy
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import (
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"github.com/miekg/coredns/request"
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"github.com/miekg/dns"
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)
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// Exchanger is an interface that specifies a type implementing a DNS resolver that
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// can use whatever transport it likes.
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type Exchanger interface {
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Exchange(request.Request) (*dns.Msg, error)
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SetUpstream(Upstream) error // (Re)set the upstream
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OnStartup() error
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OnShutdown() error
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Protocol() protocol
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}
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type protocol string
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