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queue stream-level window updates from the flow controller directly

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This commit is contained in:
Marten Seemann 2018-05-06 09:46:21 +09:00
parent b93827ca60
commit 2e8a5807ba
9 changed files with 73 additions and 77 deletions
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10
internal/flowcontrol/stream_flow_controller.go
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@ -14,6 +14,8 @@ type streamFlowController struct {
streamID protocol.StreamID
queueWindowUpdate func()
connection connectionFlowControllerI
contributesToConnection bool // does the stream contribute to connection level flow control
@ -30,6 +32,7 @@ func NewStreamFlowController(
receiveWindow protocol.ByteCount,
maxReceiveWindow protocol.ByteCount,
initialSendWindow protocol.ByteCount,
queueWindowUpdate func(protocol.StreamID),
rttStats *congestion.RTTStats,
logger utils.Logger,
) StreamFlowController {
@ -37,6 +40,7 @@ func NewStreamFlowController(
streamID: streamID,
contributesToConnection: contributesToConnection,
connection: cfc.(connectionFlowControllerI),
queueWindowUpdate: func() { queueWindowUpdate(streamID) },
baseFlowController: baseFlowController{
rttStats: rttStats,
receiveWindow: receiveWindow,
@ -120,11 +124,13 @@ func (c *streamFlowController) IsBlocked() (bool, protocol.ByteCount) {
return true, c.sendWindow
}
func (c *streamFlowController) HasWindowUpdate() bool {
func (c *streamFlowController) MaybeQueueWindowUpdate() {
c.mutex.Lock()
hasWindowUpdate := !c.receivedFinalOffset && c.hasWindowUpdate()
c.mutex.Unlock()
return hasWindowUpdate
if hasWindowUpdate {
c.queueWindowUpdate()
}
}
func (c *streamFlowController) GetWindowUpdate() protocol.ByteCount {