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optimize window update generation, reducing profiler footprint by 8%

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This commit is contained in:
Lucas Clemente
2016-09-15 09:10:59 +02:00
parent 7bd4d0852c
commit 2592b9a97c
5 changed files with 38 additions and 50 deletions
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22
flowcontrol/flow_control_manager.go
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@@ -106,25 +106,15 @@ func (f *flowControlManager) AddBytesRead(streamID protocol.StreamID, n protocol
return nil
}
// streamID must not be 0 here
func (f *flowControlManager) MaybeTriggerStreamWindowUpdate(streamID protocol.StreamID) (bool, protocol.ByteCount, error) {
func (f *flowControlManager) GetWindowUpdates() (res []WindowUpdate) {
f.mutex.Lock()
defer f.mutex.Unlock()
streamFlowController, err := f.getFlowController(streamID)
if err != nil {
return false, 0, err
for id, fc := range f.streamFlowController {
if necessary, offset := fc.MaybeTriggerWindowUpdate(); necessary {
res = append(res, WindowUpdate{StreamID: id, Offset: offset})
}
}
doIt, offset := streamFlowController.MaybeTriggerWindowUpdate()
return doIt, offset, nil
}
func (f *flowControlManager) MaybeTriggerConnectionWindowUpdate() (bool, protocol.ByteCount) {
f.mutex.Lock()
defer f.mutex.Unlock()
return f.streamFlowController[0].MaybeTriggerWindowUpdate()
return res
}
// streamID must not be 0 here