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allow multiple gateway closes without blocking forever #339

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merged 1 commit into from
Mar 29, 2024
Merged

allow multiple gateway closes without blocking forever #339

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20 changes: 10 additions & 10 deletions gateway/gateway_impl.go
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Original file line number Diff line number Diff line change
Expand Up @@ -42,10 +42,10 @@ type gatewayImpl struct {
closeHandlerFunc CloseHandlerFunc
token string

conn *websocket.Conn
connMu sync.Mutex
heartbeatChan chan struct{}
status Status
conn *websocket.Conn
connMu sync.Mutex
heartbeatCancel context.CancelFunc
status Status

heartbeatInterval time.Duration
lastHeartbeatSent time.Time
Expand Down Expand Up @@ -132,9 +132,9 @@ func (g *gatewayImpl) Close(ctx context.Context) {
}

func (g *gatewayImpl) CloseWithCode(ctx context.Context, code int, message string) {
if g.heartbeatChan != nil {
if g.heartbeatCancel != nil {
g.config.Logger.Debug("closing heartbeat goroutines...")
g.heartbeatChan <- struct{}{}
g.heartbeatCancel()
}

g.connMu.Lock()
Expand Down Expand Up @@ -234,16 +234,16 @@ func (g *gatewayImpl) reconnect() {
}

func (g *gatewayImpl) heartbeat() {
if g.heartbeatChan == nil {
g.heartbeatChan = make(chan struct{})
}
ctx, cancel := context.WithCancel(context.Background())
g.heartbeatCancel = cancel

heartbeatTicker := time.NewTicker(g.heartbeatInterval)
defer heartbeatTicker.Stop()
defer g.config.Logger.Debug("exiting heartbeat goroutine")

for {
select {
case <-g.heartbeatChan:
case <-ctx.Done():
return

case <-heartbeatTicker.C:
Expand Down
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