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safer check for the queues if we're blocked on a send, should work even if we're blocked on a link packet send

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This commit is contained in:
Arceliar 2020-05-17 13:23:15 -05:00
parent ff3c8cb687
commit d43b93f60a
1 changed files with 4 additions and 1 deletions
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5
src/yggdrasil/link.go
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@ -63,6 +63,7 @@ type linkInterface struct {
stallTimer *time.Timer // Fires to signal that no incoming traffic (including keep-alive) has been seen stallTimer *time.Timer // Fires to signal that no incoming traffic (including keep-alive) has been seen
closeTimer *time.Timer // Fires when the link has been idle so long we need to close it closeTimer *time.Timer // Fires when the link has been idle so long we need to close it
isIdle bool // True if the peer actor knows the link is idle isIdle bool // True if the peer actor knows the link is idle
isSending bool // True between a notifySending and a notifySent
blocked bool // True if we've blocked the peer in the switch blocked bool // True if we've blocked the peer in the switch
} }
@ -296,7 +297,7 @@ func (intf *linkInterface) linkOut(bs []byte) {
func (intf *linkInterface) notifyQueued(seq uint64) { func (intf *linkInterface) notifyQueued(seq uint64) {
// This is the part where we want non-nil 'from' fields // This is the part where we want non-nil 'from' fields
intf.Act(intf.peer, func() { intf.Act(intf.peer, func() {
if !intf.isIdle { if intf.isSending {
intf.peer.dropFromQueue(intf, seq) intf.peer.dropFromQueue(intf, seq)
} }
}) })
@ -336,6 +337,7 @@ func (intf *linkInterface) notifySending(size int, isLinkTraffic bool) {
if !isLinkTraffic { if !isLinkTraffic {
intf.isIdle = false intf.isIdle = false
} }
intf.isSending = true
intf.sendTimer = time.AfterFunc(sendTime, intf.notifyBlockedSend) intf.sendTimer = time.AfterFunc(sendTime, intf.notifyBlockedSend)
intf._cancelStallTimer() intf._cancelStallTimer()
}) })
@ -370,6 +372,7 @@ func (intf *linkInterface) notifySent(size int, isLinkTraffic bool) {
if !isLinkTraffic { if !isLinkTraffic {
intf._notifyIdle() intf._notifyIdle()
} }
intf.isSending = false
if size > 0 && intf.stallTimer == nil { if size > 0 && intf.stallTimer == nil {
intf.stallTimer = time.AfterFunc(stallTime, intf.notifyStalled) intf.stallTimer = time.AfterFunc(stallTime, intf.notifyStalled)
} }