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This commit is contained in:
Justin SB 2014-11-07 06:34:18 -08:00
parent 04313ff173
commit b19170f335
1 changed files with 9 additions and 9 deletions
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18
pkg/registry/service/ip_allocator.go
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@ -95,8 +95,8 @@ func newIPAllocator(subnet *net.IPNet) *ipAllocator {
ipSpaceSize := int64(-1)
ones, bits := subnet.Mask.Size()
if (bits-ones) < 63 {
ipSpaceSize = int64(1)<<uint(bits - ones)
if (bits - ones) < 63 {
ipSpaceSize = int64(1) << uint(bits-ones)
if ipSpaceSize < minIPSpace {
glog.Errorf("IPAllocator requires at least %d IPs", minIPSpace)
@ -105,16 +105,16 @@ func newIPAllocator(subnet *net.IPNet) *ipAllocator {
}
ipa := &ipAllocator{
subnet: *subnet,
ipSpaceSize: ipSpaceSize,
random: r,
subnet: *subnet,
ipSpaceSize: ipSpaceSize,
random: r,
randomAttempts: 1000,
}
ipa.used.Init()
zero := make(net.IP, len(subnet.IP), len(subnet.IP))
for i := 0; i < len(subnet.IP); i++ {
zero[i] = subnet.IP[i]&subnet.Mask[i]
zero[i] = subnet.IP[i] & subnet.Mask[i]
}
ipa.used.Add(zero) // block the zero addr
@ -122,7 +122,7 @@ func newIPAllocator(subnet *net.IPNet) *ipAllocator {
broadcast := make(net.IP, len(subnet.IP), len(subnet.IP))
for i := 0; i < len(subnet.IP); i++ {
broadcast[i] = subnet.IP[i]|^subnet.Mask[i]
broadcast[i] = subnet.IP[i] | ^subnet.Mask[i]
}
ipa.used.Add(broadcast) // block the broadcast addr
@ -187,7 +187,7 @@ func (ipa *ipAllocator) createRandomIp() net.IP {
randomIp[i] = ipa.subnet.IP[i]
} else {
b := byte(ipa.random.Intn(256))
randomIp[i] = (ipa.subnet.IP[i]&mask[i])|(b&^mask[i])
randomIp[i] = (ipa.subnet.IP[i] & mask[i]) | (b &^ mask[i])
}
}
@ -203,7 +203,7 @@ func ipAdd(ip net.IP, offset int) net.IP {
result := int(out[i]) + add
out[i] = byte(result % 256)
offset >>= 8
offset += result/256 // carry
offset += result / 256 // carry
}
return out
}