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Implement -udp command-line flag.
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parent
3e09c0ab29
commit
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2 changed files with 35 additions and 0 deletions
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@ -45,6 +45,8 @@ func main() {
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"store mutex profile in `file`")
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flag.StringVar(&udpRange, "udp-range", "",
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"UDP port `range`")
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flag.StringVar(&group.UDPAddr, "udp", "",
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"UDP `address:port` (default dynamic)")
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flag.BoolVar(&group.UseMDNS, "mdns", false, "gather mDNS addresses")
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flag.BoolVar(&ice.ICERelayOnly, "relay-only", false,
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"require use of TURN relays for all media traffic")
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@ -4,6 +4,7 @@ import (
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"encoding/json"
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"errors"
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"log"
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"net"
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"os"
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"path"
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"path/filepath"
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@ -21,6 +22,10 @@ var Directory string
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var UseMDNS bool
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var UDPMin, UDPMax uint16
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var UDPAddr string
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var udpListenerMu sync.Mutex
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var udpListener *net.UDPConn
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var ErrNotAuthorised = errors.New("not authorised")
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type UserError string
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@ -333,6 +338,14 @@ func APIFromCodecs(codecs []webrtc.RTPCodecParameters) (*webrtc.API, error) {
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webrtc.RTPHeaderExtensionCapability{sdp.SDESRTPStreamIDURI},
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webrtc.RTPCodecTypeVideo)
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listener, err := getUDPListener()
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if err != nil {
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return nil, err
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}
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if listener != nil {
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s.SetICEUDPMux(webrtc.NewICEUDPMux(nil, listener))
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}
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return webrtc.NewAPI(
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webrtc.WithSettingEngine(s),
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webrtc.WithMediaEngine(&m),
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@ -356,6 +369,26 @@ func APIFromNames(names []string) (*webrtc.API, error) {
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return APIFromCodecs(codecs)
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}
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func getUDPListener() (*net.UDPConn, error) {
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if UDPAddr == "" {
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return nil, nil
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}
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udpListenerMu.Lock()
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defer udpListenerMu.Unlock()
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if udpListener == nil {
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addr, err := net.ResolveUDPAddr("udp", UDPAddr)
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if err != nil {
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return nil, err
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}
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udpListener, err = net.ListenUDP("udp", addr)
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if err != nil {
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udpListener = nil
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return nil, err
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}
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}
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return udpListener, nil
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}
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func Add(name string, desc *Description) (*Group, error) {
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g, notify, err := add(name, desc)
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for _, c := range notify {
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