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Allow Unicast lookup queries #21

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Allow Unicast lookup queries #21

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7bef39a
Allow Unicast lookup queries - this solves missing response issue in …
chinenual Sep 20, 2020
1dba94f
Merge branch 'master' into unicastLookup
brutella Apr 27, 2023
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17 changes: 15 additions & 2 deletions browse.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,14 +31,23 @@ func LookupType(ctx context.Context, service string, add AddFunc, rmv RmvFunc) (
}
defer conn.close()

return lookupType(ctx, service, conn, add, rmv)
return lookupType(ctx, service, conn, add, rmv, false)
}
func LookupTypeUnicast(ctx context.Context, service string, add AddServiceFunc, rmv RmvServiceFunc) (err error) {
conn, err := newMDNSConn()
if err != nil {
return err
}
defer conn.close()

return lookupType(ctx, service, conn, add, rmv, true)
}

func (e BrowseEntry) ServiceInstanceName() string {
return fmt.Sprintf("%s.%s.%s.", e.Name, e.Type, e.Domain)
}

func lookupType(ctx context.Context, service string, conn MDNSConn, add AddFunc, rmv RmvFunc) (err error) {
func lookupType(ctx context.Context, service string, conn MDNSConn, add AddServiceFunc, rmv RmvServiceFunc, unicast bool) (err error) {
var cache = NewCache()

m := new(dns.Msg)
Expand Down Expand Up @@ -67,6 +76,10 @@ func lookupType(ctx context.Context, service string, conn MDNSConn, add AddFunc,
}
}()

if unicast {
setQuestionUnicast(&m.Question[0])
}

es := []*BrowseEntry{}
for {
select {
Expand Down