diff options
Diffstat (limited to 'plugin')
| -rw-r--r-- | plugin/backend_lookup.go | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/plugin/backend_lookup.go b/plugin/backend_lookup.go index 95ec467fd..37e09cad3 100644 --- a/plugin/backend_lookup.go +++ b/plugin/backend_lookup.go @@ -19,7 +19,7 @@ func A(b ServiceBackend, zone string, state request.Request, previousRecords []d return nil, err } - dup := make(map[string]bool) + dup := make(map[string]struct{}) for _, serv := range services { @@ -68,7 +68,7 @@ func A(b ServiceBackend, zone string, state request.Request, previousRecords []d case dns.TypeA: if _, ok := dup[serv.Host]; !ok { - dup[serv.Host] = true + dup[serv.Host] = struct{}{} records = append(records, serv.NewA(state.QName(), ip)) } @@ -86,7 +86,7 @@ func AAAA(b ServiceBackend, zone string, state request.Request, previousRecords return nil, err } - dup := make(map[string]bool) + dup := make(map[string]struct{}) for _, serv := range services { @@ -139,7 +139,7 @@ func AAAA(b ServiceBackend, zone string, state request.Request, previousRecords case dns.TypeAAAA: if _, ok := dup[serv.Host]; !ok { - dup[serv.Host] = true + dup[serv.Host] = struct{}{} records = append(records, serv.NewAAAA(state.QName(), ip)) } } @@ -155,8 +155,8 @@ func SRV(b ServiceBackend, zone string, state request.Request, opt Options) (rec return nil, nil, err } - dup := make(map[item]bool) - lookup := make(map[string]bool) + dup := make(map[item]struct{}) + lookup := make(map[string]struct{}) // Looping twice to get the right weight vs priority. This might break because we may drop duplicate SRV records latter on. w := make(map[int]int) @@ -196,7 +196,7 @@ func SRV(b ServiceBackend, zone string, state request.Request, opt Options) (rec break } - lookup[srv.Target] = true + lookup[srv.Target] = struct{}{} if !dns.IsSubDomain(zone, srv.Target) { m1, e1 := b.Lookup(state, srv.Target, dns.TypeA) @@ -248,8 +248,8 @@ func MX(b ServiceBackend, zone string, state request.Request, opt Options) (reco return nil, nil, err } - dup := make(map[item]bool) - lookup := make(map[string]bool) + dup := make(map[item]struct{}) + lookup := make(map[string]struct{}) for _, serv := range services { if !serv.Mail { continue @@ -263,7 +263,7 @@ func MX(b ServiceBackend, zone string, state request.Request, opt Options) (reco break } - lookup[mx.Mx] = true + lookup[mx.Mx] = struct{}{} if !dns.IsSubDomain(zone, mx.Mx) { m1, e1 := b.Lookup(state, mx.Mx, dns.TypeA) @@ -346,12 +346,12 @@ func PTR(b ServiceBackend, zone string, state request.Request, opt Options) (rec return nil, err } - dup := make(map[string]bool) + dup := make(map[string]struct{}) for _, serv := range services { if ip := net.ParseIP(serv.Host); ip == nil { if _, ok := dup[serv.Host]; !ok { - dup[serv.Host] = true + dup[serv.Host] = struct{}{} records = append(records, serv.NewPTR(state.QName(), serv.Host)) } } @@ -472,17 +472,17 @@ type item struct { // isDuplicate uses m to see if the combo (name, addr, port) already exists. If it does // not exist already IsDuplicate will also add the record to the map. -func isDuplicate(m map[item]bool, name, addr string, port uint16) bool { +func isDuplicate(m map[item]struct{}, name, addr string, port uint16) bool { if addr != "" { _, ok := m[item{name, 0, addr}] if !ok { - m[item{name, 0, addr}] = true + m[item{name, 0, addr}] = struct{}{} } return ok } _, ok := m[item{name, port, ""}] if !ok { - m[item{name, port, ""}] = true + m[item{name, port, ""}] = struct{}{} } return ok } |