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Ensure actions happen in order.
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parent
9ba1037208
commit
260597d595
1 changed files with 13 additions and 16 deletions
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@ -62,7 +62,7 @@ type webClient struct {
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done chan struct{}
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writeCh chan interface{}
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writerDone chan struct{}
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actionCh chan interface{}
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actionCh chan struct{}
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mu sync.Mutex
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down map[string]*rtpDownConnection
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@ -739,7 +739,7 @@ func StartClient(conn *websocket.Conn) (err error) {
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c := &webClient{
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id: m.Id,
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actionCh: make(chan interface{}, 10),
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actionCh: make(chan struct{}, 1),
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done: make(chan struct{}),
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}
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@ -810,13 +810,6 @@ func clientLoop(c *webClient, ws *websocket.Conn) error {
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}
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for {
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c.mu.Lock()
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actions := c.actions
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c.actions = nil
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c.mu.Unlock()
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for _, a := range actions {
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handleAction(c, a)
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}
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select {
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case m, ok := <-read:
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if !ok {
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@ -832,10 +825,13 @@ func clientLoop(c *webClient, ws *websocket.Conn) error {
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case error:
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return m
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}
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case a := <-c.actionCh:
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err := handleAction(c, a)
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if err != nil {
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return err
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case <-c.actionCh:
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c.mu.Lock()
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actions := c.actions
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c.actions = nil
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c.mu.Unlock()
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for _, a := range actions {
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handleAction(c, a)
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}
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case <-ticker.C:
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if time.Since(readTime) > 75*time.Second {
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@ -1551,16 +1547,17 @@ var ErrClientDead = errors.New("client is dead")
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func (c *webClient) action(a interface{}) error {
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c.mu.Lock()
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defer c.mu.Unlock()
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if len(c.actions) == 0 {
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empty := len(c.actions) == 0
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c.actions = append(c.actions, a)
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if empty {
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select {
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case c.actionCh <- a:
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case c.actionCh <- struct{}{}:
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return nil
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case <-c.done:
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return ErrClientDead
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default:
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}
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}
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c.actions = append(c.actions, a)
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return nil
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}
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