Merge branch 'develop' into switch

This commit is contained in:
Arceliar 2019-02-16 16:26:20 -06:00
commit e31962de0f
3 changed files with 52 additions and 8 deletions

33
misc/run-twolink-test Executable file
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@ -0,0 +1,33 @@
#!/bin/bash
# Connects nodes in two namespaces by two links with different bandwidth (10mbit and 100mbit)
ip netns add node1
ip netns add node2
ip link add veth11 type veth peer name veth21
ip link set veth11 netns node1 up
ip link set veth21 netns node2 up
ip link add veth12 type veth peer name veth22
ip link set veth12 netns node1 up
ip link set veth22 netns node2 up
ip netns exec node1 tc qdisc add dev veth11 root tbf rate 10mbit burst 8192 latency 1ms
ip netns exec node2 tc qdisc add dev veth21 root tbf rate 10mbit burst 8192 latency 1ms
ip netns exec node1 tc qdisc add dev veth12 root tbf rate 100mbit burst 8192 latency 1ms
ip netns exec node2 tc qdisc add dev veth22 root tbf rate 100mbit burst 8192 latency 1ms
echo '{AdminListen: "unix://node1.sock"}' | ip netns exec node1 env PPROFLISTEN=localhost:6060 ./yggdrasil -logging "info,warn,error,debug" -useconf &> node1.log &
echo '{AdminListen: "unix://node2.sock"}' | ip netns exec node2 env PPROFLISTEN=localhost:6060 ./yggdrasil -logging "info,warn,error,debug" -useconf &> node2.log &
echo "Started, to continue you should (possibly w/ sudo):"
echo "kill" $(jobs -p)
wait
ip netns delete node1
ip netns delete node2
ip link delete veth11
ip link delete veth12

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@ -216,6 +216,8 @@ func (intf *linkInterface) handler() error {
case signalReady <- struct{}{}:
default:
}
intf.link.core.log.Debugf("Sending packet to %s: %s, source %s",
strings.ToUpper(intf.info.linkType), themString, intf.info.local)
}
}
}()
@ -235,18 +237,21 @@ func (intf *linkInterface) handler() error {
recvTimer := time.NewTimer(recvTime)
defer util.TimerStop(recvTimer)
for {
intf.link.core.log.Debugf("State of %s: %s, source %s :: isAlive %t isReady %t sendTimerRunning %t recvTimerRunning %t",
strings.ToUpper(intf.info.linkType), themString, intf.info.local,
isAlive, isReady, sendTimerRunning, recvTimerRunning)
select {
case gotMsg, ok := <-signalAlive:
if !ok {
return
}
if !isAlive {
isAlive = true
if !isReady {
// (Re-)enable in the switch
isReady = true
intf.link.core.switchTable.idleIn <- intf.peer.port
}
util.TimerStop(recvTimer)
recvTimerRunning = false
isAlive = true
if !isReady {
// (Re-)enable in the switch
intf.link.core.switchTable.idleIn <- intf.peer.port
isReady = true
}
if gotMsg && !sendTimerRunning {
// We got a message
@ -255,6 +260,10 @@ func (intf *linkInterface) handler() error {
sendTimer.Reset(sendTime)
sendTimerRunning = true
}
if !gotMsg {
intf.link.core.log.Debugf("Received ack from %s: %s, source %s",
strings.ToUpper(intf.info.linkType), themString, intf.info.local)
}
case sentMsg, ok := <-signalSent:
// Stop any running ack timer
if !ok {
@ -273,12 +282,13 @@ func (intf *linkInterface) handler() error {
if !ok {
return
}
if !isAlive || !isReady {
if !isAlive {
// Disable in the switch
isReady = false
} else {
// Keep enabled in the switch
intf.link.core.switchTable.idleIn <- intf.peer.port
isReady = true
}
case <-sendTimer.C:
// We haven't sent anything, so signal a send of a 0 packet to let them know we're alive

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@ -800,6 +800,7 @@ func (t *switchTable) doWorker() {
t.queues.bufs = make(map[string]switch_buffer) // Packets per PacketStreamID (string)
idle := make(map[switchPort]struct{}) // this is to deduplicate things
for {
t.core.log.Debugf("Switch state: idle = %d, buffers = %d", len(idle), len(t.queues.bufs))
select {
case bytes := <-t.packetIn:
// Try to send it somewhere (or drop it if it's corrupt or at a dead end)