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todo handle data out of sync

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This commit is contained in:
Fran Bull
2025-04-25 09:22:56 -07:00
parent 3036623d2c
commit 8be3387199
1 changed files with 9 additions and 6 deletions
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9
cmd/natc/ippool/consensusippool.go
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@@ -52,7 +52,7 @@ func (ipp *ConsensusIPPool) DomainForIP(from tailcfg.NodeID, addr netip.Addr, up
defer pm.mu.Unlock() defer pm.mu.Unlock()
ww, ok := pm.addrToDomain.Lookup(addr) ww, ok := pm.addrToDomain.Lookup(addr)
if !ok { if !ok {
log.Printf("DomainForIP: peer state doesn't recognize domain") log.Printf("DomainForIP: peer state doesn't recognize addr: %s", addr)
return "", false return "", false
} }
go func() { go func() {
@@ -268,11 +268,14 @@ func (ipp *ConsensusIPPool) applyCheckoutAddr(nid tailcfg.NodeID, domain string,
addrToDomain: &bart.Table[whereWhen]{}, addrToDomain: &bart.Table[whereWhen]{},
}) })
if existing, ok := pm.domainToAddr[domain]; ok { if existing, ok := pm.domainToAddr[domain]; ok {
// TODO (fran) handle error case where this doesn't exist ww, ok := pm.addrToDomain.Lookup(existing)
ww, _ := pm.addrToDomain.Lookup(existing) if ok {
ww.LastUsed = updatedAt ww.LastUsed = updatedAt
pm.addrToDomain.Insert(netip.PrefixFrom(existing, existing.BitLen()), ww) pm.addrToDomain.Insert(netip.PrefixFrom(existing, existing.BitLen()), ww)
return existing, nil return existing, nil
} else {
log.Printf("applyCheckoutAddr: data out of sync, allocating new IP")
}
} }
addr, wasInUse, previousDomain, err := pm.unusedIPV4(ipp.IPSet, reuseDeadline) addr, wasInUse, previousDomain, err := pm.unusedIPV4(ipp.IPSet, reuseDeadline)
if err != nil { if err != nil {