add: debian file, perform various fixes

This commit is contained in:
Charles
2024-01-15 22:44:05 -08:00
parent ccafa34f33
commit 195cd67c90
17 changed files with 432 additions and 204 deletions
+225 -154
View File
@@ -8,6 +8,7 @@ import (
"flag"
"fmt"
"net/http"
"sync"
"time"
"connectrpc.com/connect"
@@ -19,6 +20,8 @@ import (
"github.com/pion/webrtc/v3"
"github.com/pion/webrtc/v3/pkg/media"
"github.com/rs/zerolog/log"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"google.golang.org/protobuf/proto"
)
@@ -46,18 +49,6 @@ func main() {
fmt.Sprintf("https://%s/", *signalerServer),
connect.WithGRPC(),
)
authToken, err := client.CreateAuthToken(ctx, connect.NewRequest(&pb.CreateAuthTokenRequest{
Home: cfg.HomeName,
Type: &pb.CreateAuthTokenRequest_Camera_{
Camera: &pb.CreateAuthTokenRequest_Camera{
Id: cfg.CameraName,
},
},
}))
if err != nil {
log.Fatal().Err(err).Msg("failed to get auth token")
}
token := authToken.Msg.GetToken()
vid, err := h264video.Default.Get()
if err != nil {
@@ -78,6 +69,11 @@ func main() {
sensorCh, sensorDone := sensors.Join()
defer sensorDone()
token, err := getAuthToken(ctx, client, cfg)
if err != nil {
log.Fatal().Err(err).Msg("failed to get auth token")
}
go handleSensor(ctx, client, token, sensorCh)
// Create a new RTCPeerConnection
@@ -87,6 +83,14 @@ func main() {
// Wait for a session request
session, err := client.PopSession(ctx, withAuth(token, &pb.PopSessionRequest{}))
if err != nil {
if s, ok := status.FromError(err); ok && s.Code() == codes.NotFound {
// try getting a new token
token, err = getAuthToken(ctx, client, cfg)
if err != nil {
log.Fatal().Err(err).Msg("failed to recreate auth token")
}
continue
}
log.Error().Err(err).Msg("error creating session")
continue
}
@@ -94,6 +98,22 @@ func main() {
}
}
func getAuthToken(ctx context.Context, client servicepb.SignalerServiceClient, cfg *config.Config) (string, error) {
authToken, err := client.CreateAuthToken(ctx, connect.NewRequest(&pb.CreateAuthTokenRequest{
Home: cfg.HomeName,
Type: &pb.CreateAuthTokenRequest_Camera_{
Camera: &pb.CreateAuthTokenRequest_Camera{
Id: cfg.CameraName,
},
},
}))
if err != nil {
return "", fmt.Errorf("CreateAuthToken failed: %w", err)
}
token := authToken.Msg.GetToken()
return token, nil
}
func handleSensor(ctx context.Context, client servicepb.SignalerServiceClient, token string, ch <-chan *pb.Sample) {
for {
var sample *pb.Sample
@@ -111,76 +131,12 @@ func handleSensor(ctx context.Context, client servicepb.SignalerServiceClient, t
}
}
func handleSession(ctx context.Context, client servicepb.SignalerServiceClient, token string, session *connect.Response[pb.Session], vid *h264video.Video) {
var err error
log.Debug().Msg("new session")
peerConnection, err := webrtc.NewPeerConnection(webrtc.Configuration{
ICEServers: []webrtc.ICEServer{
{
URLs: []string{"stun:stun.l.google.com:19302"},
},
},
})
if err != nil {
log.Info().Err(err).Msg("failed to get a connection")
return
}
// connect to the video stream; the cleanup is done in the goroutine which
// consumes the framess
ch, trackCodec, cleanUp := vid.Join()
// Create a video track
videoTrack, videoTrackErr := webrtc.NewTrackLocalStaticSample(webrtc.RTPCodecCapability{MimeType: trackCodec}, "video", "pion")
if videoTrackErr != nil {
log.Info().Err(videoTrackErr).Msg("Failed to create video track")
return
}
rtpSender, err := peerConnection.AddTrack(videoTrack)
if err != nil {
log.Info().Err(err).Msg("Failed to add track to connection")
}
func getIceConnection(ctx context.Context, peerConnection *webrtc.PeerConnection, client servicepb.SignalerServiceClient, token string, session *connect.Response[pb.Session]) (context.Context, error) {
// We use the cancel func to signal that the stream is ready
iceConnectedCtx, iceConnectedCtxCancel := context.WithCancel(context.Background())
defer func() {
if err := peerConnection.Close(); err != nil {
log.Debug().Err(err).Msg("cannot close peerConnection")
}
}()
// Read incoming RTCP packets
// Before these packets are returned they are processed by interceptors. For things
// like NACK this needs to be called.
go func() {
rtcpBuf := make([]byte, 1500)
for {
if _, _, err := rtpSender.Read(rtcpBuf); err != nil {
return
}
}
}()
go func() {
defer cleanUp()
readyToSend := false
for frame := range ch {
select {
case <-iceConnectedCtx.Done():
readyToSend = true
default:
// do nothing
}
if !readyToSend {
continue
}
if err := videoTrack.WriteSample(media.Sample{Data: frame, Duration: time.Millisecond * 33}); err != nil {
log.Err(err).Msg("failed to write sample")
return
}
}
}()
iceDisconnectedCtx, iceDeconnectedCtxCancel := context.WithCancel(ctx)
readyToSend := sync.WaitGroup{}
readyToSend.Add(1)
// Set the handler for ICE connection state
// This will notify you when the peer has connected/disconnected
@@ -193,7 +149,6 @@ func handleSession(ctx context.Context, client servicepb.SignalerServiceClient,
// Set the handler for Peer connection state
// This will notify you when the peer has connected/disconnected
exitCh := make(chan struct{})
peerConnection.OnConnectionStateChange(func(s webrtc.PeerConnectionState) {
log.Debug().Msgf("Peer Connection State has changed: %s\n", s.String())
@@ -201,15 +156,12 @@ func handleSession(ctx context.Context, client servicepb.SignalerServiceClient,
// Wait until PeerConnection has had no network activity for 30 seconds or another failure. It may be reconnected using an ICE Restart.
// Use webrtc.PeerConnectionStateDisconnected if you are interested in detecting faster timeout.
// Note that the PeerConnection may come back from PeerConnectionStateDisconnected.
close(exitCh)
return
}
if s == webrtc.PeerConnectionStateDisconnected {
close(exitCh)
iceDeconnectedCtxCancel()
}
})
peerConnection.OnICECandidate(func(i *webrtc.ICECandidate) {
readyToSend.Wait()
if i == nil {
if _, err := client.CreateIceMessage(ctx, withAuth(token, &pb.CreateIceMessageRequest{
SessionIdentifier: session.Msg.GetId(),
@@ -226,6 +178,7 @@ func handleSession(ctx context.Context, client servicepb.SignalerServiceClient,
if c.UsernameFragment != nil {
usernameFragment = proto.String(*c.UsernameFragment)
}
log.Info().Msgf("got candidate %+v", c)
client.CreateIceMessage(ctx, withAuth(token, &pb.CreateIceMessageRequest{
SessionIdentifier: session.Msg.GetId(),
IceMessage: &pb.IceMessage{
@@ -240,85 +193,203 @@ func handleSession(ctx context.Context, client servicepb.SignalerServiceClient,
},
}))
})
log.Info().Msg("Spawning helper")
// helper which sends answers, waits for
// Get the offer from the other
msg, err := client.PopIceMessage(iceDisconnectedCtx, withAuth(token, &pb.PopIceMessageRequest{
SessionIdentifier: session.Msg.GetId(),
}))
if err != nil {
log.Info().Err(err).Msg("failed to pop ice message")
}
iceSession := msg.Msg.GetSession()
switch iceSession.SdpType {
case int64(webrtc.SDPTypeOffer):
offer := webrtc.SessionDescription{
Type: webrtc.SDPType(iceSession.SdpType),
SDP: iceSession.Sdp,
}
if err := peerConnection.SetRemoteDescription(offer); err != nil {
log.Warn().Err(err).Msg("failed to set remote description")
}
default:
log.Info().Msgf("unexpected sdp type: %v", webrtc.SDPType(iceSession.SdpType).String())
}
log.Info().Msg("Accepted promise!")
// Send back an answer
answer, err := peerConnection.CreateAnswer(nil)
if err != nil {
log.Debug().Err(err).Msg("Candidate failed")
}
if err := peerConnection.SetLocalDescription(answer); err != nil {
log.Info().Err(err).Msg("Failed to set local description")
}
_, err = client.CreateIceMessage(iceDisconnectedCtx, withAuth(token, &pb.CreateIceMessageRequest{
SessionIdentifier: session.Msg.GetId(),
IceMessage: &pb.IceMessage{
Type: &pb.IceMessage_Session{
Session: &pb.IceSessionDescription{
SdpType: int64(answer.Type),
Sdp: answer.SDP,
},
},
},
}))
if err != nil {
log.Info().Err(err).Msg("Failed to send answer")
}
readyToSend.Done()
// TODO: do we add the video right here?
// Go into a loop processing ice candidates
// Add ICE candidates from remote
for {
select {
case <-exitCh:
return
default:
// check for another message
}
msg, err := client.PopIceMessage(ctx, withAuth(token, &pb.PopIceMessageRequest{
SessionIdentifier: session.Msg.GetId(),
}))
if err != nil {
log.Info().Err(err).Msg("failed to pop ice message")
continue
}
switch msg.Msg.Type.(type) {
case *pb.IceMessage_Candidate:
candidate := msg.Msg.GetCandidate()
var sdpMLine *uint16
if candidate.SdpLineIndex != nil {
t := uint16(candidate.GetSdpLineIndex())
sdpMLine = &t
go func() {
for {
select {
case <-iceDisconnectedCtx.Done():
return
default:
// check for another message
}
if err := peerConnection.AddICECandidate(webrtc.ICECandidateInit{
Candidate: candidate.GetCandidate(),
SDPMid: candidate.SdpMid,
SDPMLineIndex: sdpMLine,
}); err != nil {
log.Warn().Err(err).Msg("failed to add ice candidate")
}
// Send back an answer
answer, err := peerConnection.CreateAnswer(nil)
if err != nil {
log.Debug().Msg("Candidate failed")
continue
}
if err := peerConnection.SetLocalDescription(answer); err != nil {
log.Info().Err(err).Msg("Failed to set local description")
}
_, err = client.CreateIceMessage(ctx, withAuth(token, &pb.CreateIceMessageRequest{
msg, err := client.PopIceMessage(iceDisconnectedCtx, withAuth(token, &pb.PopIceMessageRequest{
SessionIdentifier: session.Msg.GetId(),
IceMessage: &pb.IceMessage{
Type: &pb.IceMessage_Session{
Session: &pb.IceSessionDescription{
SdpType: int64(answer.Type),
Sdp: answer.SDP,
},
},
},
}))
if err != nil {
log.Info().Err(err).Msg("Failed to send answer")
log.Info().Err(err).Msg("failed to pop ice message")
continue
}
case *pb.IceMessage_Session:
iceSession := msg.Msg.GetSession()
switch iceSession.SdpType {
case int64(webrtc.SDPTypeOffer):
offer := webrtc.SessionDescription{
Type: webrtc.SDPType(iceSession.SdpType),
SDP: iceSession.Sdp,
switch msg.Msg.Type.(type) {
case *pb.IceMessage_Candidate:
candidate := msg.Msg.GetCandidate()
var sdpMLine *uint16
if candidate.SdpLineIndex != nil {
t := uint16(candidate.GetSdpLineIndex())
sdpMLine = &t
}
if err := peerConnection.SetRemoteDescription(offer); err != nil {
log.Warn().Err(err).Msg("failed to set remote description")
if err := peerConnection.AddICECandidate(webrtc.ICECandidateInit{
Candidate: candidate.GetCandidate(),
SDPMid: candidate.SdpMid,
SDPMLineIndex: sdpMLine,
}); err != nil {
log.Warn().Err(err).Msg("failed to add ice candidate")
}
default:
log.Info().Msgf("unexpected sdp type: %v", webrtc.SDPType(iceSession.SdpType).String())
case *pb.IceMessage_Session:
case *pb.IceMessage_NoMoreCandidates:
// do nothing
}
log.Info().Msg("Accepted promise!")
case *pb.IceMessage_NoMoreCandidates:
// do nothing
}
}()
select {
case <-iceConnectedCtx.Done():
// Success; return the connection
return iceDisconnectedCtx, nil
case <-iceDisconnectedCtx.Done():
// No connection; return error
return ctx, fmt.Errorf("failed to create connection: ICE disconnected")
}
}
func handleSession(ctx context.Context, client servicepb.SignalerServiceClient, token string, session *connect.Response[pb.Session], vid *h264video.Video) {
log.Debug().Msg("new session")
// connect to the video stream; the cleanup is done in the goroutine which
// consumes the framess
ch, trackCodec, cleanUp := vid.Join()
defer cleanUp()
// Create a video track
videoTrack, err := webrtc.NewTrackLocalStaticSample(webrtc.RTPCodecCapability{MimeType: trackCodec}, "video", "pion")
if err != nil {
log.Info().Err(err).Msg("Failed to create video track")
return
}
peerConnection, err := webrtc.NewPeerConnection(webrtc.Configuration{
ICEServers: []webrtc.ICEServer{
{
URLs: []string{"stun:stun.l.google.com:19302"},
},
},
})
if err != nil {
log.Err(err).Msg("failed to make connection")
}
rtpSender, err := peerConnection.AddTrack(videoTrack)
if err != nil {
log.Info().Err(err).Msg("Failed to add track to connection")
return
}
disconnectedCtx, err := getIceConnection(ctx, peerConnection, client, token, session)
if err != nil {
log.Err(err).Msg("failed creating ice connection")
}
log.Info().Msgf("State is %+v", rtpSender.Transport().State())
// Read incoming RTCP packets
// Before these packets are returned they are processed by interceptors. For things
// like NACK this needs to be called.
go func() {
rtcpBuf := make([]byte, 1500)
for {
select {
case <-disconnectedCtx.Done():
return
default:
// do nothing
}
if _, _, err := rtpSender.Read(rtcpBuf); err != nil {
return
}
}
}()
// Start a routine to send frames from a buffer
var frame []byte
var frameLock sync.Mutex
go func() {
ticker := time.NewTicker(time.Millisecond * 30)
for {
select {
case <-disconnectedCtx.Done():
return
case <-ticker.C:
// do nothing
}
frameLock.Lock()
myFrame := frame
frame = nil
frameLock.Unlock()
if myFrame == nil {
continue
}
if err := videoTrack.WriteSample(media.Sample{Data: myFrame, Duration: time.Millisecond * 33}); err != nil {
log.Err(err).Msg("failed to write sample")
return
}
}
}()
for myFrame := range ch {
select {
case <-disconnectedCtx.Done():
return
default:
// do nothing
}
frameLock.Lock()
frame = myFrame
frameLock.Unlock()
}
// TODO: Video ended; close the connection
}