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Delete upstream connections on ICE failure.

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This commit is contained in:
Juliusz Chroboczek 2020-05-02 23:41:47 +02:00
parent 92de141b97
commit 5205c0773b
2 changed files with 50 additions and 16 deletions
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54
client.go
View file

@ -281,6 +281,12 @@ func addUpConn(c *client, id string) (*upConnection, error) {
sendICE(c, id, candidate)
})
pc.OnICEConnectionStateChange(func(state webrtc.ICEConnectionState) {
if state == webrtc.ICEConnectionStateFailed {
c.action(connectionFailedAction{id: id})
}
})
go rtcpUpSender(c, conn)
pc.OnTrack(func(remote *webrtc.Track, receiver *webrtc.RTPReceiver) {
@ -445,19 +451,17 @@ func rtcpUpSender(c *client, conn *upConnection) {
}
}
func delUpConn(c *client, id string) {
func delUpConn(c *client, id string) bool {
c.mu.Lock()
defer c.mu.Unlock()
if c.up == nil {
log.Printf("Deleting unknown connection")
return
return false
}
conn := c.up[id]
if conn == nil {
log.Printf("Deleting unknown connection")
return
return false
}
type clientId struct {
@ -483,6 +487,7 @@ func delUpConn(c *client, id string) {
conn.pc.Close()
delete(c.up, id)
return true
}
func getDownConn(c *client, id string) *downConnection {
@ -513,6 +518,12 @@ func addDownConn(c *client, id string, remote *upConnection) (*downConnection, e
log.Printf("Got track on downstream connection")
})
pc.OnICEConnectionStateChange(func(state webrtc.ICEConnectionState) {
if state == webrtc.ICEConnectionStateFailed {
c.action(connectionFailedAction{id: id})
}
})
if c.down == nil {
c.down = make(map[string]*downConnection)
}
@ -528,18 +539,16 @@ func addDownConn(c *client, id string, remote *upConnection) (*downConnection, e
return conn, nil
}
func delDownConn(c *client, id string) {
func delDownConn(c *client, id string) bool {
c.mu.Lock()
defer c.mu.Unlock()
if c.down == nil {
log.Printf("Deleting unknown connection")
return
return false
}
conn := c.down[id]
if conn == nil {
log.Printf("Deleting unknown connection")
return
return false
}
for _, track := range conn.tracks {
@ -551,6 +560,7 @@ func delDownConn(c *client, id string) {
}
conn.pc.Close()
delete(c.down, id)
return true
}
func addDownTrack(c *client, id string, remoteTrack *upTrack, remoteConn *upConnection) (*downConnection, *webrtc.RTPSender, error) {
@ -956,11 +966,13 @@ func clientLoop(c *client, conn *websocket.Conn) error {
}
}
case delConnAction:
found := delDownConn(c, a.id)
if found {
c.write(clientMessage{
Type: "close",
Id: a.id,
})
delDownConn(c, a.id)
}
case addLabelAction:
c.write(clientMessage{
Type: "label",
@ -983,6 +995,21 @@ func clientLoop(c *client, conn *websocket.Conn) error {
}
}
case connectionFailedAction:
found := delUpConn(c, a.id)
if found {
c.write(clientMessage{
Type: "error",
Value: "connection failed",
})
c.write(clientMessage{
Type: "abort",
Id: a.id,
})
continue
}
// What should we do if a downstream
// connection fails? Renegotiate?
case permissionsChangedAction:
c.write(clientMessage{
Type: "permissions",
@ -1048,7 +1075,10 @@ func handleClientMessage(c *client, m clientMessage) error {
return err
}
case "close":
delUpConn(c, m.Id)
found := delUpConn(c, m.Id)
if !found {
log.Printf("Deleting unknown up connection %v", m.Id)
}
case "ice":
if m.Candidate == nil {
return protocolError("null candidate")

4
group.go
View file

@ -164,6 +164,10 @@ type pushTracksAction struct {
c *client
}
type connectionFailedAction struct {
id string
}
type permissionsChangedAction struct{}
type kickAction struct{}