31 lines
849 B
Go
31 lines
849 B
Go
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package dnsseed
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import (
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"context"
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"github.com/coredns/coredns/plugin"
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"github.com/miekg/dns"
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"github.com/zcashfoundation/dnsseeder/zcash"
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)
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// ZcashSeeder discovers IP addresses by asking Zcash peers for them.
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type ZcashSeeder struct {
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Next plugin.Handler
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seeder *zcash.Seeder
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}
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// Name satisfies the Handler interface.
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func (zs ZcashSeeder) Name() string { return "dnsseed" }
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// Ready implements the ready.Readiness interface, once this flips to true CoreDNS
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// assumes this plugin is ready for queries; it is not checked again.
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func (zs ZcashSeeder) Ready() bool {
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// setup() has attempted an initial connection to the backing peer already.
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return zs.seeder.Ready()
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}
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func (zs ZcashSeeder) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) {
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return plugin.NextOrFailure(zs.Name(), zs.Next, ctx, w, r)
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}
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