34 lines
768 B
Go
34 lines
768 B
Go
// Package dnssrv resolves names to dns srv records
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package dnssrv // import "go.unistack.org/micro/v3/resolver/dnssrv"
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import (
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"fmt"
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"net"
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"go.unistack.org/micro/v3/resolver"
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)
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// Resolver is a DNS network resolve
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type Resolver struct {
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Address string
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}
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// Resolve assumes ID is a domain name e.g micro.mu
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func (r *Resolver) Resolve(name string) ([]*resolver.Record, error) {
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_, addrs, err := net.LookupSRV("network", "udp", name)
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if err != nil {
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return nil, err
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}
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records := make([]*resolver.Record, 0, len(addrs))
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for _, addr := range addrs {
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address := addr.Target
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if addr.Port > 0 {
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address = fmt.Sprintf("%s:%d", addr.Target, addr.Port)
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}
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records = append(records, &resolver.Record{
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Address: address,
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})
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}
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return records, nil
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}
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