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Check ICE configuration periodically.
This commit is contained in:
parent
89a9e6c738
commit
307c834b09
1 changed files with 41 additions and 21 deletions
62
group/ice.go
62
group/ice.go
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@ -4,7 +4,8 @@ import (
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"encoding/json"
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"log"
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"os"
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"sync"
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"sync/atomic"
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"time"
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"github.com/pion/webrtc/v3"
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)
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@ -24,35 +25,54 @@ type RTCConfiguration struct {
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var ICEFilename string
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var ICERelayOnly bool
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var iceConf RTCConfiguration
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var iceOnce sync.Once
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type iceConf struct {
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conf RTCConfiguration
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timestamp time.Time
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}
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func ICEConfiguration() *RTCConfiguration {
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iceOnce.Do(func() {
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var iceServers []ICEServer
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var iceConfiguration atomic.Value
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func updateICEConfiguration() *iceConf {
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now := time.Now()
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var conf RTCConfiguration
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if ICEFilename != "" {
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file, err := os.Open(ICEFilename)
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if err != nil {
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log.Printf("Open %v: %v", ICEFilename, err)
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return
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} else {
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defer file.Close()
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d := json.NewDecoder(file)
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err = d.Decode(&conf.ICEServers)
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if err != nil {
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log.Printf("Get ICE configuration: %v", err)
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}
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}
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defer file.Close()
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d := json.NewDecoder(file)
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err = d.Decode(&iceServers)
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if err != nil {
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log.Printf("Get ICE configuration: %v", err)
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return
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}
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iceConf = RTCConfiguration{
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ICEServers: iceServers,
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}
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if ICERelayOnly {
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iceConf.ICETransportPolicy = "relay"
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}
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})
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}
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if ICERelayOnly {
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conf.ICETransportPolicy = "relay"
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}
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iceConf := iceConf{
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conf: conf,
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timestamp: now,
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}
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iceConfiguration.Store(&iceConf)
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return &iceConf
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}
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func ICEConfiguration() *RTCConfiguration {
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conf, ok := iceConfiguration.Load().(*iceConf)
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if !ok || time.Since(conf.timestamp) > 5*time.Minute {
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conf = updateICEConfiguration()
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} else if time.Since(conf.timestamp) > 2*time.Minute {
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go updateICEConfiguration()
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}
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return &conf.conf
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}
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func ToConfiguration(conf *RTCConfiguration) webrtc.Configuration {
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var iceServers []webrtc.ICEServer
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for _, s := range conf.ICEServers {
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