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implement ws reconnect

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This commit is contained in:
guochao 2024-05-29 09:47:52 +08:00
parent 7ab9485cb0
commit fd67534ff3
2 changed files with 38 additions and 16 deletions
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42
cmd/demo-signal-client/main.go
View File

@ -223,21 +223,22 @@ func (client *SignalClient) ConnectServer(ctx context.Context) {
panic(err)
}
client.Program.Send(systemMsg("Connecting to room..."))
signal_server := proto.NewSignalingClient(grpcClient)
stream, err := signal_server.Biu(context.Background())
if err != nil {
panic(err)
}
client.Program.Send(systemMsg("Connected."))
go client.HandleConnection(ctx, grpcClient, stream)
go client.HandleConnection(ctx, grpcClient)
}
func (client *SignalClient) HandleConnection(ctx context.Context, grpcClient *grpc.ClientConn, stream proto.Signaling_BiuClient) {
func (client *SignalClient) HandleConnection(ctx context.Context, grpcClient *grpc.ClientConn) {
defer grpcClient.Close()
room := client.Room
signal_client := proto.NewSignalingClient(grpcClient)
client.Program.Send(systemMsg("Connecting to room..."))
stream, err := signal_client.Biu(context.Background())
if err != nil {
return
}
client.Program.Send(systemMsg("Connected."))
client.Program.Send(systemMsg("Waiting for server to be bootstrapped."))
stream.Send(&proto.SignalingMessage{
@ -248,12 +249,29 @@ func (client *SignalClient) HandleConnection(ctx context.Context, grpcClient *gr
client.Program.Send(systemMsg("Bootstrapped."))
for {
if stream == nil {
var err error
client.Program.Send(systemMsg("Connecting to room..."))
stream, err = signal_client.Biu(context.Background())
if err != nil {
continue
}
client.Program.Send(systemMsg("Connected."))
stream.Send(&proto.SignalingMessage{
Sender: client.Name,
Room: room,
Message: &proto.SignalingMessage_Bootstrap{},
})
}
msg, err := stream.Recv()
if err == io.EOF {
break
}
if err != nil {
panic(err)
stream.CloseSend()
stream = nil
client.Program.Send(systemMsg("Reconnecting"))
continue
}
switch inner := msg.Message.(type) {
case *proto.SignalingMessage_Bootstrap:
@ -449,7 +467,7 @@ func (client *SignalClient) OnAnswer(ctx context.Context, sender, sdp string) {
func (client SignalClient) OnIceCandidate(ctx context.Context, sender, candidate string) {
peerConnection, ok := client.PeerConns[sender]
if !ok {
if !ok || peerConnection == nil {
return
}
candidateInit := webrtc.ICECandidateInit{}

12
pkg/impl/signal-server/signaling.go
View File

@ -51,7 +51,8 @@ func New(options Options) (*SignalingServer, error) {
}, nil
}
func (signalingServer SignalingServer) handleStream(ctx context.Context, name string, errGroup *errgroup.Group, stream proto.Signaling_BiuServer) func() error {
func (signalingServer SignalingServer) handleStream(ctx context.Context, errGroup *errgroup.Group, stream proto.Signaling_BiuServer) func() error {
var name string
return func() error {
for {
msg, err := stream.Recv()
@ -60,6 +61,11 @@ func (signalingServer SignalingServer) handleStream(ctx context.Context, name st
} else if err == nil {
switch innerMsg := msg.Message.(type) {
case *proto.SignalingMessage_Bootstrap:
if msg.Sender != "" {
name = msg.Sender
} else {
name = signalingServer.names.Generate()
}
errGroup.Go(signalingServer.handleRedisPubSub(ctx, name, msg.Room, stream))
case *proto.SignalingMessage_DiscoverRequest:
// ignore msg.Receiver, from sender to whole channel
@ -219,11 +225,9 @@ func (signalingServer SignalingServer) Biu(stream proto.Signaling_BiuServer) err
ctx, cancel := context.WithCancel(stream.Context())
defer cancel()
name := signalingServer.names.Generate()
errGroup := &errgroup.Group{}
errGroup.Go(signalingServer.handleStream(ctx, name, errGroup, stream))
errGroup.Go(signalingServer.handleStream(ctx, errGroup, stream))
return errGroup.Wait()
}