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netcheck, tailcfg, interfaces, magicsock: survey UPnP, NAT-PMP, PCP

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Don't do anything with UPnP, NAT-PMP, PCP yet, but see how common they
are in the wild.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2020-07-06 13:51:17 -07:00
committed by Brad Fitzpatrick
parent 6196b7e658
commit 5c6d8e3053
8 changed files with 265 additions and 26 deletions
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3
wgengine/magicsock/magicsock.go
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@@ -389,6 +389,9 @@ func (c *Conn) updateNetInfo(ctx context.Context) (*netcheck.Report, error) {
DERPLatency: map[string]float64{},
MappingVariesByDestIP: report.MappingVariesByDestIP,
HairPinning: report.HairPinning,
UPnP: report.UPnP,
PMP: report.PMP,
PCP: report.PCP,
}
for rid, d := range report.RegionV4Latency {
ni.DERPLatency[fmt.Sprintf("%d-v4", rid)] = d.Seconds()