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Fix best route selection (#1903)

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* fix route comparison to current selected route + adding tests

* add comment and debug log

* adjust log message

---------

Co-authored-by: Maycon Santos <mlsmaycon@gmail.com>
This commit is contained in:
pascal-fischer 2024-05-02 11:51:03 +02:00 committed by GitHub
parent 3598418206
commit 35dd991776
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GPG Key ID: B5690EEEBB952194
2 changed files with 40 additions and 8 deletions
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15
client/internal/routemanager/client.go
View File

@ -153,15 +153,16 @@ func (c *clientNetwork) getBestRouteFromStatuses(routePeerStatuses map[string]ro
log.Warnf("the network %s has not been assigned a routing peer as no peers from the list %s are currently connected", c.network, peers)
case chosen != currID:
if currScore != 0 && currScore < chosenScore+0.1 {
// we compare the current score + 10ms to the chosen score to avoid flapping between routes
if currScore != 0 && currScore+0.01 > chosenScore {
log.Debugf("keeping current routing peer because the score difference with latency is less than 0.01(10ms), current: %f, new: %f", currScore, chosenScore)
return currID
} else {
var peer string
if route := c.routes[chosen]; route != nil {
peer = route.Peer
}
log.Infof("new chosen route is %s with peer %s with score %f for network %s", chosen, peer, chosenScore, c.network)
}
var p string
if rt := c.routes[chosen]; rt != nil {
p = rt.Peer
}
log.Infof("new chosen route is %s with peer %s with score %f for network %s", chosen, p, chosenScore, c.network)
}
return chosen

33
client/internal/routemanager/client_test.go
View File

@ -241,7 +241,7 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
connected: true,
relayed: false,
direct: true,
latency: 12 * time.Millisecond,
latency: 15 * time.Millisecond,
},
"route2": {
connected: true,
@ -265,6 +265,37 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
currentRoute: "route1",
expectedRouteID: "route1",
},
{
name: "current route with bad score should be changed to route with better score",
statuses: map[string]routerPeerStatus{
"route1": {
connected: true,
relayed: false,
direct: true,
latency: 200 * time.Millisecond,
},
"route2": {
connected: true,
relayed: false,
direct: true,
latency: 10 * time.Millisecond,
},
},
existingRoutes: map[string]*route.Route{
"route1": {
ID: "route1",
Metric: route.MaxMetric,
Peer: "peer1",
},
"route2": {
ID: "route2",
Metric: route.MaxMetric,
Peer: "peer2",
},
},
currentRoute: "route1",
expectedRouteID: "route2",
},
{
name: "current chosen route doesn't exist anymore",
statuses: map[string]routerPeerStatus{