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gitlab!1082: 1953 statistics big counters are unexpectedly modified in place #4

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6e2f87e
[#1953] Add a unit test that not passes
fivitti Aug 12, 2025
f56d957
[#1953] Revert "Fix zero division panic"
fivitti Aug 12, 2025
69174a8
[#1953] Fix side effects in big counter
fivitti Aug 12, 2025
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164 changes: 96 additions & 68 deletions backend/server/apps/kea/statisticscounter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -50,26 +50,26 @@ func newGlobalStats() *globalStats {

// Add the IPv4 subnet statistics to the global state.
func (g *globalStats) addIPv4Subnet(subnet *subnetIPv4Stats) {
g.totalIPv4Addresses.AddUint64(subnet.totalAddresses)
g.totalIPv4AddressesInPools.AddUint64(subnet.totalAddressesInPools)
g.totalAssignedIPv4Addresses.AddUint64(subnet.totalAssignedAddresses)
g.totalAssignedIPv4AddressesInPools.AddUint64(subnet.totalAssignedAddressesInPools)
g.totalDeclinedIPv4Addresses.AddUint64(subnet.totalDeclinedAddresses)
g.totalDeclinedIPv4AddressesInPools.AddUint64(subnet.totalDeclinedAddressesInPools)
g.totalIPv4Addresses.AddUint64(g.totalIPv4Addresses, subnet.totalAddresses)
g.totalIPv4AddressesInPools.AddUint64(g.totalIPv4AddressesInPools, subnet.totalAddressesInPools)
g.totalAssignedIPv4Addresses.AddUint64(g.totalAssignedIPv4Addresses, subnet.totalAssignedAddresses)
g.totalAssignedIPv4AddressesInPools.AddUint64(g.totalAssignedIPv4AddressesInPools, subnet.totalAssignedAddressesInPools)
g.totalDeclinedIPv4Addresses.AddUint64(g.totalDeclinedIPv4Addresses, subnet.totalDeclinedAddresses)
g.totalDeclinedIPv4AddressesInPools.AddUint64(g.totalDeclinedIPv4AddressesInPools, subnet.totalDeclinedAddressesInPools)
}

// Add the IPv6 subnet statistics to the global state.
func (g *globalStats) addIPv6Subnet(subnet *subnetIPv6Stats) {
g.totalIPv6Addresses.Add(subnet.totalAddresses)
g.totalIPv6AddressesInPools.Add(subnet.totalAddressesInPools)
g.totalAssignedIPv6Addresses.Add(subnet.totalAssignedAddresses)
g.totalAssignedIPv6AddressesInPools.Add(subnet.totalAssignedAddressesInPools)
g.totalDeclinedIPv6Addresses.Add(subnet.totalDeclinedAddresses)
g.totalDeclinedIPv6AddressesInPools.Add(subnet.totalDeclinedAddressesInPools)
g.totalDelegatedPrefixes.Add(subnet.totalDelegatedPrefixes)
g.totalDelegatedPrefixesInPools.Add(subnet.totalDelegatedPrefixesInPools)
g.totalAssignedDelegatedPrefixes.Add(subnet.totalAssignedDelegatedPrefixes)
g.totalAssignedDelegatedPrefixesInPools.Add(subnet.totalAssignedDelegatedPrefixesInPools)
g.totalIPv6Addresses.Add(g.totalIPv6Addresses, subnet.totalAddresses)
g.totalIPv6AddressesInPools.Add(g.totalIPv6AddressesInPools, subnet.totalAddressesInPools)
g.totalAssignedIPv6Addresses.Add(g.totalAssignedIPv6Addresses, subnet.totalAssignedAddresses)
g.totalAssignedIPv6AddressesInPools.Add(g.totalAssignedIPv6AddressesInPools, subnet.totalAssignedAddressesInPools)
g.totalDeclinedIPv6Addresses.Add(g.totalDeclinedIPv6Addresses, subnet.totalDeclinedAddresses)
g.totalDeclinedIPv6AddressesInPools.Add(g.totalDeclinedIPv6AddressesInPools, subnet.totalDeclinedAddressesInPools)
g.totalDelegatedPrefixes.Add(g.totalDelegatedPrefixes, subnet.totalDelegatedPrefixes)
g.totalDelegatedPrefixesInPools.Add(g.totalDelegatedPrefixesInPools, subnet.totalDelegatedPrefixesInPools)
g.totalAssignedDelegatedPrefixes.Add(g.totalAssignedDelegatedPrefixes, subnet.totalAssignedDelegatedPrefixes)
g.totalAssignedDelegatedPrefixesInPools.Add(g.totalAssignedDelegatedPrefixesInPools, subnet.totalAssignedDelegatedPrefixesInPools)
}

// General subnet lease statistics.
Expand Down Expand Up @@ -117,9 +117,9 @@ func (s *sharedNetworkStats) GetAddressUtilization() float64 {

// Out-of-pool address utilization of the shared network.
func (s *sharedNetworkStats) GetOutOfPoolAddressUtilization() float64 {
return s.totalAssignedAddresses.Subtract(s.totalAssignedAddressesInPools).
return storkutil.NewBigCounter(0).Subtract(s.totalAssignedAddresses, s.totalAssignedAddressesInPools).
DivideSafeBy(
s.totalAddresses.Subtract(s.totalAddressesInPools),
storkutil.NewBigCounter(0).Subtract(s.totalAddresses, s.totalAddressesInPools),
)
}

Expand All @@ -130,9 +130,9 @@ func (s *sharedNetworkStats) GetDelegatedPrefixUtilization() float64 {

// Out-of-pool delegated prefix utilization of the shared network.
func (s *sharedNetworkStats) GetOutOfPoolDelegatedPrefixUtilization() float64 {
return s.totalAssignedDelegatedPrefixes.Subtract(s.totalAssignedDelegatedPrefixesInPools).
return storkutil.NewBigCounter(0).Subtract(s.totalAssignedDelegatedPrefixes, s.totalAssignedDelegatedPrefixesInPools).
DivideSafeBy(
s.totalDelegatedPrefixes.Subtract(s.totalDelegatedPrefixesInPools),
storkutil.NewBigCounter(0).Subtract(s.totalDelegatedPrefixes, s.totalDelegatedPrefixesInPools),
)
}

Expand All @@ -141,34 +141,34 @@ func (s *sharedNetworkStats) GetOutOfPoolDelegatedPrefixUtilization() float64 {
func (s *sharedNetworkStats) GetStatistics() dbmodel.Stats {
return dbmodel.Stats{
dbmodel.StatNameTotalNAs: s.totalAddresses.ConvertToNativeType(),
dbmodel.StatNameTotalOutOfPoolNAs: s.totalAddresses.Subtract(s.totalAddressesInPools).ConvertToNativeType(),
dbmodel.StatNameTotalOutOfPoolNAs: storkutil.NewBigCounter(0).Subtract(s.totalAddresses, s.totalAddressesInPools).ConvertToNativeType(),
dbmodel.StatNameAssignedNAs: s.totalAssignedAddresses.ConvertToNativeType(),
dbmodel.StatNameAssignedOutOfPoolNAs: s.totalAssignedAddresses.Subtract(s.totalAssignedAddressesInPools).ConvertToNativeType(),
dbmodel.StatNameAssignedOutOfPoolNAs: storkutil.NewBigCounter(0).Subtract(s.totalAssignedAddresses, s.totalAssignedAddressesInPools).ConvertToNativeType(),
dbmodel.StatNameTotalPDs: s.totalDelegatedPrefixes.ConvertToNativeType(),
dbmodel.StatNameTotalOutOfPoolPDs: s.totalDelegatedPrefixes.Subtract(s.totalDelegatedPrefixesInPools).ConvertToNativeType(),
dbmodel.StatNameTotalOutOfPoolPDs: storkutil.NewBigCounter(0).Subtract(s.totalDelegatedPrefixes, s.totalDelegatedPrefixesInPools).ConvertToNativeType(),
dbmodel.StatNameAssignedPDs: s.totalAssignedDelegatedPrefixes.ConvertToNativeType(),
dbmodel.StatNameAssignedOutOfPoolPDs: s.totalAssignedDelegatedPrefixes.Subtract(s.totalAssignedDelegatedPrefixesInPools).ConvertToNativeType(),
dbmodel.StatNameAssignedOutOfPoolPDs: storkutil.NewBigCounter(0).Subtract(s.totalAssignedDelegatedPrefixes, s.totalAssignedDelegatedPrefixesInPools).ConvertToNativeType(),
}
}

// Add the IPv4 subnet statistics to the shared network state.
func (s *sharedNetworkStats) addIPv4Subnet(subnet *subnetIPv4Stats) {
s.totalAddresses.AddUint64(subnet.totalAddresses)
s.totalAddressesInPools.AddUint64(subnet.totalAddressesInPools)
s.totalAssignedAddresses.AddUint64(subnet.totalAssignedAddresses)
s.totalAssignedAddressesInPools.AddUint64(subnet.totalAssignedAddressesInPools)
s.totalAddresses.AddUint64(s.totalAddresses, subnet.totalAddresses)
s.totalAddressesInPools.AddUint64(s.totalAddressesInPools, subnet.totalAddressesInPools)
s.totalAssignedAddresses.AddUint64(s.totalAssignedAddresses, subnet.totalAssignedAddresses)
s.totalAssignedAddressesInPools.AddUint64(s.totalAssignedAddressesInPools, subnet.totalAssignedAddressesInPools)
}

// Add the IPv6 subnet statistics to the shared network state.
func (s *sharedNetworkStats) addIPv6Subnet(subnet *subnetIPv6Stats) {
s.totalAddresses.Add(subnet.totalAddresses)
s.totalAddressesInPools.Add(subnet.totalAddressesInPools)
s.totalAssignedAddresses.Add(subnet.totalAssignedAddresses)
s.totalAssignedAddressesInPools.Add(subnet.totalAssignedAddressesInPools)
s.totalDelegatedPrefixes.Add(subnet.totalDelegatedPrefixes)
s.totalDelegatedPrefixesInPools.Add(subnet.totalDelegatedPrefixesInPools)
s.totalAssignedDelegatedPrefixes.Add(subnet.totalAssignedDelegatedPrefixes)
s.totalAssignedDelegatedPrefixesInPools.Add(subnet.totalAssignedDelegatedPrefixesInPools)
s.totalAddresses.Add(s.totalAddresses, subnet.totalAddresses)
s.totalAddressesInPools.Add(s.totalAddressesInPools, subnet.totalAddressesInPools)
s.totalAssignedAddresses.Add(s.totalAssignedAddresses, subnet.totalAssignedAddresses)
s.totalAssignedAddressesInPools.Add(s.totalAssignedAddressesInPools, subnet.totalAssignedAddressesInPools)
s.totalDelegatedPrefixes.Add(s.totalDelegatedPrefixes, subnet.totalDelegatedPrefixes)
s.totalDelegatedPrefixesInPools.Add(s.totalDelegatedPrefixesInPools, subnet.totalDelegatedPrefixesInPools)
s.totalAssignedDelegatedPrefixes.Add(s.totalAssignedDelegatedPrefixes, subnet.totalAssignedDelegatedPrefixes)
s.totalAssignedDelegatedPrefixesInPools.Add(s.totalAssignedDelegatedPrefixesInPools, subnet.totalAssignedDelegatedPrefixesInPools)
}

// IPv4 statistics retrieved from the single subnet.
Expand Down Expand Up @@ -247,9 +247,9 @@ func (s *subnetIPv6Stats) GetAddressUtilization() float64 {

// Returns the out-of-pool IPv6 address utilization for a single IPv6 subnet.
func (s *subnetIPv6Stats) GetOutOfPoolAddressUtilization() float64 {
return s.totalAssignedAddresses.Clone().Subtract(s.totalAssignedAddressesInPools).
return storkutil.NewBigCounter(0).Subtract(s.totalAssignedAddresses, s.totalAssignedAddressesInPools).
DivideSafeBy(
s.totalAddresses.Clone().Subtract(s.totalAddressesInPools),
storkutil.NewBigCounter(0).Subtract(s.totalAddresses, s.totalAddressesInPools),
)
}

Expand All @@ -260,9 +260,9 @@ func (s *subnetIPv6Stats) GetDelegatedPrefixUtilization() float64 {

// Returns the out-of-pool delegated prefix utilization for a single IPv6 subnet.
func (s *subnetIPv6Stats) GetOutOfPoolDelegatedPrefixUtilization() float64 {
return s.totalAssignedDelegatedPrefixes.Clone().Subtract(s.totalAssignedDelegatedPrefixesInPools).
return storkutil.NewBigCounter(0).Subtract(s.totalAssignedDelegatedPrefixes, s.totalAssignedDelegatedPrefixesInPools).
DivideSafeBy(
s.totalDelegatedPrefixes.Clone().Subtract(s.totalDelegatedPrefixesInPools),
storkutil.NewBigCounter(0).Subtract(s.totalDelegatedPrefixes, s.totalDelegatedPrefixesInPools),
)
}

Expand All @@ -271,15 +271,15 @@ func (s *subnetIPv6Stats) GetOutOfPoolDelegatedPrefixUtilization() float64 {
func (s *subnetIPv6Stats) GetStatistics() dbmodel.Stats {
return dbmodel.Stats{
dbmodel.StatNameTotalNAs: s.totalAddresses.ConvertToNativeType(),
dbmodel.StatNameTotalOutOfPoolNAs: s.totalAddresses.Subtract(s.totalAddressesInPools).ConvertToNativeType(),
dbmodel.StatNameTotalOutOfPoolNAs: storkutil.NewBigCounter(0).Subtract(s.totalAddresses, s.totalAddressesInPools).ConvertToNativeType(),
dbmodel.StatNameAssignedNAs: s.totalAssignedAddresses.ConvertToNativeType(),
dbmodel.StatNameAssignedOutOfPoolNAs: s.totalAssignedAddresses.Subtract(s.totalAssignedAddressesInPools).ConvertToNativeType(),
dbmodel.StatNameAssignedOutOfPoolNAs: storkutil.NewBigCounter(0).Subtract(s.totalAssignedAddresses, s.totalAssignedAddressesInPools).ConvertToNativeType(),
dbmodel.StatNameDeclinedNAs: s.totalDeclinedAddresses.ConvertToNativeType(),
dbmodel.StatNameDeclinedOutOfPoolNAs: s.totalDeclinedAddresses.Subtract(s.totalDeclinedAddressesInPools).ConvertToNativeType(),
dbmodel.StatNameDeclinedOutOfPoolNAs: storkutil.NewBigCounter(0).Subtract(s.totalDeclinedAddresses, s.totalDeclinedAddressesInPools).ConvertToNativeType(),
dbmodel.StatNameTotalPDs: s.totalDelegatedPrefixes.ConvertToNativeType(),
dbmodel.StatNameTotalOutOfPoolPDs: s.totalDelegatedPrefixes.Subtract(s.totalDelegatedPrefixesInPools).ConvertToNativeType(),
dbmodel.StatNameTotalOutOfPoolPDs: storkutil.NewBigCounter(0).Subtract(s.totalDelegatedPrefixes, s.totalDelegatedPrefixesInPools).ConvertToNativeType(),
dbmodel.StatNameAssignedPDs: s.totalAssignedDelegatedPrefixes.ConvertToNativeType(),
dbmodel.StatNameAssignedOutOfPoolPDs: s.totalAssignedDelegatedPrefixes.Subtract(s.totalAssignedDelegatedPrefixesInPools).ConvertToNativeType(),
dbmodel.StatNameAssignedOutOfPoolPDs: storkutil.NewBigCounter(0).Subtract(s.totalAssignedDelegatedPrefixes, s.totalAssignedDelegatedPrefixesInPools).ConvertToNativeType(),
}
}

Expand Down Expand Up @@ -395,18 +395,21 @@ func (c *statisticsCounter) addIPv4Subnet(subnet *dbmodel.Subnet, outOfPool uint
// calculated similarly.
func (c *statisticsCounter) addIPv6Subnet(subnet *dbmodel.Subnet, outOfPoolTotalAddresses, outOfPoolDelegatedPrefixes uint64) *subnetIPv6Stats {
stats := &subnetIPv6Stats{
totalAddresses: sumStatLocalSubnetsIPv6(subnet, dbmodel.StatNameTotalNAs, c.excludedDaemons).AddUint64(outOfPoolTotalAddresses),
totalAddresses: sumStatLocalSubnetsIPv6(subnet, dbmodel.StatNameTotalNAs, c.excludedDaemons),
totalAddressesInPools: sumStatAddressPoolsIPv6(subnet, dbmodel.StatNameTotalNAs, c.excludedDaemons),
totalAssignedAddresses: sumStatLocalSubnetsIPv6(subnet, dbmodel.StatNameAssignedNAs, c.excludedDaemons),
totalAssignedAddressesInPools: sumStatAddressPoolsIPv6(subnet, dbmodel.StatNameAssignedNAs, c.excludedDaemons),
totalDeclinedAddresses: sumStatLocalSubnetsIPv6(subnet, dbmodel.StatNameDeclinedNAs, c.excludedDaemons),
totalDeclinedAddressesInPools: sumStatAddressPoolsIPv6(subnet, dbmodel.StatNameDeclinedNAs, c.excludedDaemons),
totalDelegatedPrefixes: sumStatLocalSubnetsIPv6(subnet, dbmodel.StatNameTotalPDs, c.excludedDaemons).AddUint64(outOfPoolDelegatedPrefixes),
totalDelegatedPrefixes: sumStatLocalSubnetsIPv6(subnet, dbmodel.StatNameTotalPDs, c.excludedDaemons),
totalDelegatedPrefixesInPools: sumStatPrefixPoolsIPv6(subnet, dbmodel.StatNameTotalPDs, c.excludedDaemons),
totalAssignedDelegatedPrefixes: sumStatLocalSubnetsIPv6(subnet, dbmodel.StatNameAssignedPDs, c.excludedDaemons),
totalAssignedDelegatedPrefixesInPools: sumStatPrefixPoolsIPv6(subnet, dbmodel.StatNameAssignedPDs, c.excludedDaemons),
}

stats.totalAddresses.AddUint64(stats.totalAddresses, outOfPoolTotalAddresses)
stats.totalDelegatedPrefixes.AddUint64(stats.totalDelegatedPrefixes, outOfPoolDelegatedPrefixes)

if subnet.SharedNetworkID != 0 {
c.sharedNetworks[subnet.SharedNetworkID].addIPv6Subnet(stats)
}
Expand All @@ -431,7 +434,7 @@ func sumStatLocalSubnetsIPv6(subnet *dbmodel.Subnet, statName string, excludedDa
continue
}

sum.Add(value)
sum.Add(sum, value)
}
return sum
}
Expand Down Expand Up @@ -460,7 +463,7 @@ func sumStatAddressPoolsIPv6(subnet *dbmodel.Subnet, statName string, excludedDa
continue
}

sum.Add(value)
sum.Add(sum, value)
}
}
return sum
Expand Down Expand Up @@ -490,7 +493,7 @@ func sumStatPrefixPoolsIPv6(subnet *dbmodel.Subnet, statName string, excludedDae
continue
}

sum.Add(value)
sum.Add(sum, value)
}
}
return sum
Expand Down Expand Up @@ -556,22 +559,47 @@ func sumStatAddressPoolsIPv4(subnet *dbmodel.Subnet, statName string, excludedDa

// Returns the global statistics.
func (c *statisticsCounter) GetStatistics() dbmodel.Stats {
return dbmodel.Stats{
dbmodel.StatNameTotalAddresses: c.global.totalIPv4Addresses.Clone().AddUint64(c.outOfPoolShifts.outOfPoolGlobalAddresses).ToBigInt(),
dbmodel.StatNameTotalOutOfPoolAddresses: c.global.totalIPv4Addresses.Clone().AddUint64(c.outOfPoolShifts.outOfPoolGlobalAddresses).Subtract(c.global.totalIPv4AddressesInPools).ToBigInt(),
dbmodel.StatNameAssignedAddresses: c.global.totalAssignedIPv4Addresses.ToBigInt(),
dbmodel.StatNameAssignedOutOfPoolAddresses: c.global.totalAssignedIPv4Addresses.Clone().Subtract(c.global.totalAssignedIPv4AddressesInPools).ToBigInt(),
dbmodel.StatNameDeclinedAddresses: c.global.totalDeclinedIPv4Addresses.ToBigInt(),
dbmodel.StatNameDeclinedOutOfPoolAddresses: c.global.totalDeclinedIPv4Addresses.Subtract(c.global.totalDeclinedIPv4AddressesInPools).ToBigInt(),
dbmodel.StatNameTotalNAs: c.global.totalIPv6Addresses.Clone().AddUint64(c.outOfPoolShifts.outOfPoolGlobalNAs).ToBigInt(),
dbmodel.StatNameTotalOutOfPoolNAs: c.global.totalIPv6Addresses.Clone().AddUint64(c.outOfPoolShifts.outOfPoolGlobalNAs).Subtract(c.global.totalIPv6AddressesInPools).ToBigInt(),
dbmodel.StatNameAssignedNAs: c.global.totalAssignedIPv6Addresses.ToBigInt(),
dbmodel.StatNameAssignedOutOfPoolNAs: c.global.totalAssignedIPv6Addresses.Clone().Subtract(c.global.totalAssignedIPv6AddressesInPools).ToBigInt(),
dbmodel.StatNameDeclinedNAs: c.global.totalDeclinedIPv6Addresses.ToBigInt(),
dbmodel.StatNameDeclinedOutOfPoolNAs: c.global.totalDeclinedIPv6Addresses.Clone().Subtract(c.global.totalDeclinedIPv6AddressesInPools).ToBigInt(),
dbmodel.StatNameTotalPDs: c.global.totalDelegatedPrefixes.Clone().AddUint64(c.outOfPoolShifts.outOfPoolGlobalPrefixes).ToBigInt(),
dbmodel.StatNameTotalOutOfPoolPDs: c.global.totalDelegatedPrefixes.Clone().AddUint64(c.outOfPoolShifts.outOfPoolGlobalPrefixes).Subtract(c.global.totalDelegatedPrefixesInPools).ToBigInt(),
dbmodel.StatNameAssignedPDs: c.global.totalAssignedDelegatedPrefixes.ToBigInt(),
dbmodel.StatNameAssignedOutOfPoolPDs: c.global.totalAssignedDelegatedPrefixes.Clone().Subtract(c.global.totalAssignedDelegatedPrefixesInPools).ToBigInt(),
}
stats := dbmodel.Stats{}

value := storkutil.NewBigCounter(0).AddUint64(c.global.totalIPv4Addresses, c.outOfPoolShifts.outOfPoolGlobalAddresses)
stats[dbmodel.StatNameTotalAddresses] = value.ConvertToNativeType()
value = storkutil.NewBigCounter(0).Subtract(value, c.global.totalIPv4AddressesInPools)
stats[dbmodel.StatNameTotalOutOfPoolAddresses] = value.ConvertToNativeType()

value = c.global.totalAssignedIPv4Addresses
stats[dbmodel.StatNameAssignedAddresses] = value.ConvertToNativeType()
value = storkutil.NewBigCounter(0).Subtract(value, c.global.totalAssignedIPv4AddressesInPools)
stats[dbmodel.StatNameAssignedOutOfPoolAddresses] = value.ConvertToNativeType()

value = c.global.totalDeclinedIPv4Addresses
stats[dbmodel.StatNameDeclinedAddresses] = value.ConvertToNativeType()
value = storkutil.NewBigCounter(0).Subtract(value, c.global.totalDeclinedIPv4AddressesInPools)
stats[dbmodel.StatNameDeclinedOutOfPoolAddresses] = value.ConvertToNativeType()

value = storkutil.NewBigCounter(0).AddUint64(c.global.totalIPv6Addresses, c.outOfPoolShifts.outOfPoolGlobalNAs)
stats[dbmodel.StatNameTotalNAs] = value.ConvertToNativeType()
value = storkutil.NewBigCounter(0).Subtract(value, c.global.totalIPv6AddressesInPools)
stats[dbmodel.StatNameTotalOutOfPoolNAs] = value.ConvertToNativeType()

value = c.global.totalAssignedIPv6Addresses
stats[dbmodel.StatNameAssignedNAs] = value.ConvertToNativeType()
value = storkutil.NewBigCounter(0).Subtract(value, c.global.totalAssignedIPv6AddressesInPools)
stats[dbmodel.StatNameAssignedOutOfPoolNAs] = value.ConvertToNativeType()

value = c.global.totalDeclinedIPv6Addresses
stats[dbmodel.StatNameDeclinedNAs] = value.ConvertToNativeType()
value = storkutil.NewBigCounter(0).Subtract(value, c.global.totalDeclinedIPv6AddressesInPools)
stats[dbmodel.StatNameDeclinedOutOfPoolNAs] = value.ConvertToNativeType()

value = storkutil.NewBigCounter(0).AddUint64(c.global.totalDelegatedPrefixes, c.outOfPoolShifts.outOfPoolGlobalPrefixes)
stats[dbmodel.StatNameTotalPDs] = value.ConvertToNativeType()
value = storkutil.NewBigCounter(0).Subtract(value, c.global.totalDelegatedPrefixesInPools)
stats[dbmodel.StatNameTotalOutOfPoolPDs] = value.ConvertToNativeType()

value = c.global.totalAssignedDelegatedPrefixes
stats[dbmodel.StatNameAssignedPDs] = value.ConvertToNativeType()
value = storkutil.NewBigCounter(0).Subtract(value, c.global.totalAssignedDelegatedPrefixesInPools)
stats[dbmodel.StatNameAssignedOutOfPoolPDs] = value.ConvertToNativeType()

return stats
}
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