github.com/Augustu/go-micro/v2@v2.9.3/network/resolver/dnssrv/dnssrv.go (about)

     1  // Package dns srv resolves names to dns srv records
     2  package dnssrv
     3  
     4  import (
     5  	"fmt"
     6  	"net"
     7  
     8  	"github.com/Augustu/go-micro/v2/network/resolver"
     9  )
    10  
    11  // Resolver is a DNS network resolve
    12  type Resolver struct{}
    13  
    14  // Resolve assumes ID is a domain name e.g micro.mu
    15  func (r *Resolver) Resolve(name string) ([]*resolver.Record, error) {
    16  	_, addrs, err := net.LookupSRV("network", "udp", name)
    17  	if err != nil {
    18  		return nil, err
    19  	}
    20  	records := make([]*resolver.Record, 0, len(addrs))
    21  	for _, addr := range addrs {
    22  		address := addr.Target
    23  		if addr.Port > 0 {
    24  			address = fmt.Sprintf("%s:%d", addr.Target, addr.Port)
    25  		}
    26  		records = append(records, &resolver.Record{
    27  			Address: address,
    28  		})
    29  	}
    30  	return records, nil
    31  }