mirror of
https://gitlab.crans.org/nounous/ghostream.git
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Manage SRT sockets in a dedicated go routine
This commit is contained in:
Yohann D'ANELLO
parent
7ceecad355
commit
596beeeb89
@ -4,6 +4,7 @@ package srt
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import "C"
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import (
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"fmt"
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"gitlab.crans.org/nounous/ghostream/auth"
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"gitlab.crans.org/nounous/ghostream/auth/bypass"
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"log"
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@ -27,6 +28,11 @@ type Packet struct {
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StreamName string
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}
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var (
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authBackend auth.Backend
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forwardingChannel chan Packet
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)
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// Split host and port from listen address
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func splitHostPort(hostport string) (string, uint16) {
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host, portS, err := net.SplitHostPort(hostport)
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@ -44,10 +50,12 @@ func splitHostPort(hostport string) (string, uint16) {
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}
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// Serve SRT server
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func Serve(cfg *Options, authBackend auth.Backend, forwardingChannel chan Packet) {
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if authBackend == nil {
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authBackend, _ = bypass.New()
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func Serve(cfg *Options, backend auth.Backend, forwarding chan Packet) {
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if backend == nil {
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backend, _ = bypass.New()
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}
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authBackend = backend
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forwardingChannel = forwarding
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options := make(map[string]string)
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options["transtype"] = "live"
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@ -71,63 +79,72 @@ func Serve(cfg *Options, authBackend auth.Backend, forwardingChannel chan Packet
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break // FIXME: should not break here
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}
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streamID, err := s.GetSockOptString(C.SRTO_STREAMID)
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if err != nil {
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log.Println("Error while fetching stream key:", err)
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s.Close()
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continue
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}
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if !strings.Contains(streamID, "|") {
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log.Printf("Warning: stream id must be at the format streamID|password. Input: %s", streamID)
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s.Close()
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continue
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}
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splittedStreamID := strings.SplitN(streamID, "|", 2)
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streamName, password := splittedStreamID[0], splittedStreamID[1]
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loggedIn, err := authBackend.Login(streamName, password)
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if !loggedIn {
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log.Printf("Invalid credentials for stream %s.", streamName)
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s.Close()
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continue
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}
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log.Printf("Starting stream %s...", streamName)
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// Create a new buffer
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buff := make([]byte, 2048)
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// Setup stream forwarding
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forwardingChannel <- Packet{StreamName: streamName, PacketType: "register", Data: nil}
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// Read RTP packets forever and send them to the WebRTC Client
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for {
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n, err := s.Read(buff, 10000)
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if err != nil {
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log.Println("Error occured while reading SRT socket:", err)
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break
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}
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if n == 0 {
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// End of stream
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log.Printf("Received no bytes, stopping stream.")
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break
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}
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// log.Printf("Received %d bytes", n)
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// Send raw packet to other streams
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// Copy data in another buffer to ensure that the data would not be overwritten
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data := make([]byte, n)
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copy(data, buff[:n])
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forwardingChannel <- Packet{StreamName: streamName, PacketType: "sendData", Data: data}
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// TODO: Send to WebRTC
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// See https://github.com/ebml-go/webm/blob/master/reader.go
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//err := videoTrack.WriteSample(media.Sample{Data: data, Samples: uint32(sampleCount)})
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}
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forwardingChannel <- Packet{StreamName: streamName, PacketType: "close", Data: nil}
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go acceptSocket(s)
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}
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sck.Close()
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}
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func acceptSocket(s *srtgo.SrtSocket) {
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streamName, err := authenticateSocket(s)
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if err != nil {
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log.Println("Authentication failure:", err)
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s.Close()
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return
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}
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log.Printf("Starting stream %s...", streamName)
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// Create a new buffer
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buff := make([]byte, 2048)
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// Setup stream forwarding
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forwardingChannel <- Packet{StreamName: streamName, PacketType: "register", Data: nil}
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// Read RTP packets forever and send them to the WebRTC Client
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for {
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n, err := s.Read(buff, 10000)
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if err != nil {
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log.Println("Error occured while reading SRT socket:", err)
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break
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}
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if n == 0 {
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// End of stream
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log.Printf("Received no bytes, stopping stream.")
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break
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}
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// log.Printf("Received %d bytes", n)
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// Send raw packet to other streams
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// Copy data in another buffer to ensure that the data would not be overwritten
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data := make([]byte, n)
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copy(data, buff[:n])
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forwardingChannel <- Packet{StreamName: streamName, PacketType: "sendData", Data: data}
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// TODO: Send to WebRTC
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// See https://github.com/ebml-go/webm/blob/master/reader.go
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//err := videoTrack.WriteSample(media.Sample{Data: data, Samples: uint32(sampleCount)})
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}
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forwardingChannel <- Packet{StreamName: streamName, PacketType: "close", Data: nil}
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}
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func authenticateSocket(s *srtgo.SrtSocket) (string, error) {
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streamID, err := s.GetSockOptString(C.SRTO_STREAMID)
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if err != nil {
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return "", fmt.Errorf("error while fetching stream key: %s", err)
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}
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if !strings.Contains(streamID, "|") {
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return streamID, fmt.Errorf("warning: stream id must be at the format streamID|password. Input: %s", streamID)
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}
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splittedStreamID := strings.SplitN(streamID, "|", 2)
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streamName, password := splittedStreamID[0], splittedStreamID[1]
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loggedIn, err := authBackend.Login(streamName, password)
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if !loggedIn {
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return streamID, fmt.Errorf("invalid credentials for stream %s", streamName)
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}
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return streamName, nil
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}
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