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Correct HTTPU serving to not require an interface for multicast.

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This commit is contained in:
John Beisley
2014-06-08 09:10:34 +01:00
parent dcc00c8629
commit 5cd41e8371
2 changed files with 8 additions and 11 deletions
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10
httpu/serve.go
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@ -36,13 +36,15 @@ func (f HandlerFunc) ServeMessage(r *http.Request) {
// A Server defines parameters for running an HTTPU server.
type Server struct {
Addr string // UDP address to listen on
Interface *net.Interface // Network interface to listen on
Multicast bool // Should listen for multicast?
Interface *net.Interface // Network interface to listen on for multicast, nil for default multicast interface
Handler Handler // handler to invoke
MaxMessageBytes int // maximum number of bytes to read from a packet, DefaultMaxMessageBytes if 0
}
// ListenAndServe listens on the UDP network address srv.Addr. If srv.Interface
// != nil, then a multicast UDP listener will be used on the given interface.
// ListenAndServe listens on the UDP network address srv.Addr. If srv.Multicast
// is true, then a multicast UDP listener will be used on srv.Interface (or
// default interface if nil).
func (srv *Server) ListenAndServe() error {
var err error
@ -52,7 +54,7 @@ func (srv *Server) ListenAndServe() error {
}
var conn net.PacketConn
if srv.Interface != nil {
if srv.Multicast {
if conn, err = net.ListenMulticastUDP("udp", srv.Interface, addr); err != nil {
return err
}