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webrtc: improve connectivity mechanism (#2686)

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This commit is contained in:
Alessandro Ros
2023-11-12 23:55:28 +01:00
committed by GitHub
parent 4cf8948fe6
commit 687d8685ef
13 changed files with 261 additions and 228 deletions
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44
internal/protocols/webrtc/api.go
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@@ -99,34 +99,44 @@ var audioCodecs = []webrtc.RTPCodecParameters{
// APIConf is the configuration passed to NewAPI().
type APIConf struct {
ICEInterfaces []string
ICEHostNAT1To1IPs []string
ICEUDPMux ice.UDPMux
ICETCPMux ice.TCPMux
ICEUDPMux ice.UDPMux
ICETCPMux ice.TCPMux
LocalRandomUDP bool
IPsFromInterfaces bool
IPsFromInterfacesList []string
AdditionalHosts []string
}
// NewAPI allocates a webrtc API.
func NewAPI(conf APIConf) (*webrtc.API, error) {
func NewAPI(cnf APIConf) (*webrtc.API, error) {
settingsEngine := webrtc.SettingEngine{}
if len(conf.ICEInterfaces) != 0 {
settingsEngine.SetInterfaceFilter(func(iface string) bool {
return stringInSlice(iface, conf.ICEInterfaces)
})
settingsEngine.SetInterfaceFilter(func(iface string) bool {
return cnf.IPsFromInterfaces && (len(cnf.IPsFromInterfacesList) == 0 ||
stringInSlice(iface, cnf.IPsFromInterfacesList))
})
settingsEngine.SetAdditionalHosts(cnf.AdditionalHosts)
var networkTypes []webrtc.NetworkType
// always enable UDP in order to support STUN/TURN
networkTypes = append(networkTypes, webrtc.NetworkTypeUDP4)
if cnf.ICEUDPMux != nil {
settingsEngine.SetICEUDPMux(cnf.ICEUDPMux)
}
if len(conf.ICEHostNAT1To1IPs) != 0 {
settingsEngine.SetNAT1To1IPs(conf.ICEHostNAT1To1IPs, webrtc.ICECandidateTypeHost)
if cnf.ICETCPMux != nil {
settingsEngine.SetICETCPMux(cnf.ICETCPMux)
networkTypes = append(networkTypes, webrtc.NetworkTypeTCP4)
}
if conf.ICEUDPMux != nil {
settingsEngine.SetICEUDPMux(conf.ICEUDPMux)
if cnf.LocalRandomUDP {
settingsEngine.SetICEUDPRandom(true)
}
if conf.ICETCPMux != nil {
settingsEngine.SetICETCPMux(conf.ICETCPMux)
settingsEngine.SetNetworkTypes([]webrtc.NetworkType{webrtc.NetworkTypeTCP4})
}
settingsEngine.SetNetworkTypes(networkTypes)
mediaEngine := &webrtc.MediaEngine{}