76 lines
2.4 KiB
Go
76 lines
2.4 KiB
Go
package sfu
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import (
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"errors"
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"g365sfu/logger"
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connection "g365sfu/socket/struct"
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"g365sfu/utils"
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"os"
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"github.com/pion/interceptor"
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"github.com/pion/webrtc/v4"
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)
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var (
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api *webrtc.API
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pcConfig webrtc.Configuration
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)
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// Коллбек для обработки новых SDP офферов от сервера для конкретного пира (при renegotiation)
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var OnServerOffer func(roomID string, peerID string, offer webrtc.SessionDescription)
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// Коллбек для обработки новых ICE кандидатов
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var OnLocalICECandidate func(roomID, peerID string, candidate webrtc.ICECandidateInit)
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// Коллбек для обработки отключения пира (обрыв связи)
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var OnPeerDisconnected func(roomID, peerID string, server *connection.Connection, reason DisconnectReason)
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// Коллбек для обработки удаления комнаты
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var OnRoomDelete func(roomID string, server *connection.Connection)
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// Ошибки
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var (
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ErrRoomNotFound = errors.New("room not found")
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ErrPeerNotFound = errors.New("peer not found")
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)
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func InitWebRTCEngines() {
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publicIP := os.Getenv("SFU_PUBLIC_IP")
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fromPort := utils.AtoiOrDefault(os.Getenv("SFU_PORT_RANGE_FROM"), 30000)
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toPort := utils.AtoiOrDefault(os.Getenv("SFU_PORT_RANGE_TO"), 39999)
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if publicIP == "" || fromPort == 0 || toPort == 0 {
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// Если не указаны необходимые переменные окружения, логируем ошибку и завершаем процесс сервера
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logger.LogErrorMessage("SFU_PUBLIC_IP, SFU_PORT_RANGE_FROM and SFU_PORT_RANGE_TO environment variables must be set")
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os.Exit(-1)
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return
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}
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m := &webrtc.MediaEngine{}
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_ = m.RegisterDefaultCodecs()
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i := &interceptor.Registry{}
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_ = webrtc.RegisterDefaultInterceptors(m, i)
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se := webrtc.SettingEngine{}
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_ = se.SetEphemeralUDPPortRange(uint16(fromPort), uint16(toPort))
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if publicIP := os.Getenv("SFU_PUBLIC_IP"); publicIP != "" {
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se.SetICEAddressRewriteRules(webrtc.ICEAddressRewriteRule{
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External: []string{publicIP},
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AsCandidateType: webrtc.ICECandidateTypeHost,
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Mode: webrtc.ICEAddressRewriteReplace,
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})
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}
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api = webrtc.NewAPI(
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webrtc.WithMediaEngine(m),
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webrtc.WithInterceptorRegistry(i),
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webrtc.WithSettingEngine(se),
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)
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pcConfig = webrtc.Configuration{
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ICEServers: []webrtc.ICEServer{
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{URLs: []string{"stun:stun.l.google.com:19302"}},
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},
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}
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}
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