yggdrasil-network/yggdrasil-go
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WIP have peer actors queue packets, temporarily a single simple FIFO queue with head drop

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This commit is contained in:
Arceliar 2020-04-03 00:32:26 -05:00
parent 9834f222db
commit 945930aa2c
6 changed files with 91 additions and 338 deletions
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18
src/yggdrasil/link.go
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@ -62,7 +62,7 @@ type linkInterface struct {
keepAliveTimer *time.Timer // Fires to send keep-alive traffic
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
inSwitch bool // True if the switch is tracking this link
isIdle bool // True if the peer actor knows the link is idle
stalled bool // True if we haven't been receiving any response traffic
unstalled bool // False if an idle notification to the switch hasn't been sent because we stalled (or are first starting up)
}
@ -278,7 +278,7 @@ const (
func (intf *linkInterface) notifySending(size int, isLinkTraffic bool) {
intf.Act(&intf.writer, func() {
if !isLinkTraffic {
intf.inSwitch = false
intf.isIdle = false
}
intf.sendTimer = time.AfterFunc(sendTime, intf.notifyBlockedSend)
intf._cancelStallTimer()
@ -311,7 +311,7 @@ func (intf *linkInterface) notifySent(size int, isLinkTraffic bool) {
intf.sendTimer.Stop()
intf.sendTimer = nil
if !isLinkTraffic {
intf._notifySwitch()
intf._notifyIdle()
}
if size > 0 && intf.stallTimer == nil {
intf.stallTimer = time.AfterFunc(stallTime, intf.notifyStalled)
@ -320,15 +320,13 @@ func (intf *linkInterface) notifySent(size int, isLinkTraffic bool) {
}
// Notify the switch that we're ready for more traffic, assuming we're not in a stalled state
func (intf *linkInterface) _notifySwitch() {
if !intf.inSwitch {
func (intf *linkInterface) _notifyIdle() {
if !intf.isIdle {
if intf.stalled {
intf.unstalled = false
} else {
intf.inSwitch = true
intf.link.core.switchTable.Act(intf, func() {
intf.link.core.switchTable._idleIn(intf.peer.port)
})
intf.isIdle = true
intf.peer.Act(intf, intf.peer._handleIdle)
}
}
}
@ -364,7 +362,7 @@ func (intf *linkInterface) notifyRead(size int) {
}
intf.stalled = false
if !intf.unstalled {
intf._notifySwitch()
intf._notifyIdle()
intf.unstalled = true
}
if size > 0 && intf.stallTimer == nil {