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net/netcheck, wgengine/magicsock: make netmon.Monitor required

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This has been a TODO for ages. Time to do it.

The goal is to move more network state accessors to netmon.Monitor
where they can be cheaper/cached.

Updates tailscale/corp#10910
Updates tailscale/corp#18960
Updates #7967
Updates #3299

Change-Id: I60fc6508cd2d8d079260bda371fc08b6318bcaf1
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2024-04-26 18:28:01 -07:00
committed by Brad Fitzpatrick
parent 4dece0c359
commit 7a62dddeac
5 changed files with 78 additions and 67 deletions
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38
net/netcheck/netcheck_test.go
View File

@@ -19,10 +19,12 @@ import (
"time"
"tailscale.com/net/interfaces"
"tailscale.com/net/netmon"
"tailscale.com/net/stun"
"tailscale.com/net/stun/stuntest"
"tailscale.com/tailcfg"
"tailscale.com/tstest"
"tailscale.com/types/logger"
)
func TestHairpinSTUN(t *testing.T) {
@@ -154,13 +156,25 @@ func TestHairpinWait(t *testing.T) {
})
}
func newTestClient(t testing.TB) *Client {
netMon, err := netmon.New(logger.WithPrefix(t.Logf, "... netmon: "))
if err != nil {
t.Fatalf("netmon.New: %v", err)
}
t.Cleanup(func() { netMon.Close() })
c := &Client{
NetMon: netMon,
Logf: t.Logf,
}
return c
}
func TestBasic(t *testing.T) {
stunAddr, cleanup := stuntest.Serve(t)
defer cleanup()
c := &Client{
Logf: t.Logf,
}
c := newTestClient(t)
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
defer cancel()
@@ -202,9 +216,8 @@ func TestWorksWhenUDPBlocked(t *testing.T) {
dm := stuntest.DERPMapOf(stunAddr)
dm.Regions[1].Nodes[0].STUNOnly = true
c := &Client{
Logf: t.Logf,
}
c := newTestClient(t)
ctx, cancel := context.WithTimeout(context.Background(), 250*time.Millisecond)
defer cancel()
@@ -895,14 +908,11 @@ func TestNoCaptivePortalWhenUDP(t *testing.T) {
stunAddr, cleanup := stuntest.Serve(t)
defer cleanup()
c := &Client{
Logf: t.Logf,
testEnoughRegions: 1,
// Set the delay long enough that we have time to cancel it
// when our STUN probe succeeds.
testCaptivePortalDelay: 10 * time.Second,
}
c := newTestClient(t)
c.testEnoughRegions = 1
// Set the delay long enough that we have time to cancel it
// when our STUN probe succeeds.
c.testCaptivePortalDelay = 10 * time.Second
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
defer cancel()