//Random Key updates
func keyUpdates(key string) {
valArray, _, _ := ecc.Get("network", key)
currVal := make([]byte, len(valArray))
copy(currVal, valArray)
valArray = []byte("value1")
ecc.Put("network", key, valArray, currVal)
time.Sleep(time.Second * 2)
updArray := []byte("value2")
ecc.Put("network", key, updArray, valArray)
time.Sleep(time.Second * 2)
}
func GetNetwork(id string) (*Network, error) {
netByteArray, _, ok := ecc.Get(networkStore, id)
if ok {
network := &Network{}
err := json.Unmarshal(netByteArray, network)
if err != nil {
return nil, err
}
return network, nil
}
return nil, errors.New("Network unavailable")
}
func releaseVlan(vlan uint) {
vlanArray, _, ok := ecc.Get(vlanStore, "vlan")
currVal := make([]byte, vlanCount/8)
copy(currVal, vlanArray)
if !ok {
vlanArray = make([]byte, vlanCount/8)
}
clearBit(vlanArray, vlan-1)
eccerr := ecc.Put(vlanStore, "vlan", vlanArray, currVal)
if eccerr == ecc.OUTDATED {
releaseVlan(vlan)
}
}
func IPAMRelease(address net.IP, subnet net.IPNet) bool {
addrArray, _, ok := ecc.Get(dataStore, subnet.String())
currVal := make([]byte, len(addrArray))
copy(currVal, addrArray)
if !ok {
return false
}
pos := getBitPosition(address, subnet)
clearBit(addrArray, pos-1)
eccerr := ecc.Put(dataStore, subnet.String(), addrArray, currVal)
if eccerr == ecc.OUTDATED {
return IPAMRelease(address, subnet)
}
return true
}
func allocateVlan() (uint, error) {
vlanArray, _, ok := ecc.Get(vlanStore, "vlan")
currVal := make([]byte, vlanCount/8)
copy(currVal, vlanArray)
if !ok {
vlanArray = make([]byte, vlanCount/8)
}
vlan := testAndSetBit(vlanArray)
if vlan >= vlanCount {
return vlanCount, errors.New("Vlan unavailable")
}
eccerr := ecc.Put(vlanStore, "vlan", vlanArray, currVal)
if eccerr == ecc.OUTDATED {
return allocateVlan()
}
return vlan, nil
}
func IPAMRequest(subnet net.IPNet) net.IP {
bits := bitCount(subnet)
bc := int(bits / 8)
partial := int(math.Mod(bits, float64(8)))
if partial != 0 {
bc += 1
}
addrArray, _, ok := ecc.Get(dataStore, subnet.String())
currVal := make([]byte, len(addrArray))
copy(currVal, addrArray)
if !ok {
addrArray = make([]byte, bc)
}
pos := testAndSetBit(addrArray)
eccerr := ecc.Put(dataStore, subnet.String(), addrArray, currVal)
if eccerr == ecc.OUTDATED {
return IPAMRequest(subnet)
}
return getIP(subnet, pos)
}