--- /dev/null
+package main
+
+import "fmt"
+
+type AddressCounter = int
+
+type Ip4AddressAllocator struct {
+ networks map[int]AddressCounter
+}
+
+func (a *Ip4AddressAllocator) AddNetwork(networkNumber int) {
+ a.networks[networkNumber] = 1
+}
+
+func (a *Ip4AddressAllocator) NewIp4InterfaceAddress(inputNetworkNumber ...int) (string, error) {
+ var networkNumber int = 0
+ if len(inputNetworkNumber) > 0 {
+ networkNumber = inputNetworkNumber[0]
+ }
+
+ if _, ok := a.networks[networkNumber]; !ok {
+ a.AddNetwork(networkNumber)
+ }
+
+ numberOfAddresses := a.networks[networkNumber]
+
+ if numberOfAddresses == 254 {
+ return "", fmt.Errorf("no available IPv4 addresses")
+ }
+
+ address := fmt.Sprintf("10.10.%v.%v/24", networkNumber, numberOfAddresses)
+ a.networks[networkNumber] = numberOfAddresses + 1
+
+ return address, nil
+}
+
+func NewIp4AddressAllocator() *Ip4AddressAllocator {
+ var ip4AddrAllocator = new(Ip4AddressAllocator)
+ ip4AddrAllocator.networks = make(map[int]AddressCounter)
+ ip4AddrAllocator.AddNetwork(0)
+ return ip4AddrAllocator
+}
import (
"flag"
- "fmt"
"io/ioutil"
"os"
"time"
type HstSuite struct {
suite.Suite
- containers map[string]*Container
- volumes []string
- netConfigs []NetConfig
- netInterfaces map[string]*NetInterface
- addresser *Addresser
- testIds map[string]string
- cpuAllocator *CpuAllocatorT
- cpuContexts []*CpuContext
- cpuPerVpp int
+ containers map[string]*Container
+ volumes []string
+ netConfigs []NetConfig
+ netInterfaces map[string]*NetInterface
+ ip4AddrAllocator *Ip4AddressAllocator
+ testIds map[string]string
+ cpuAllocator *CpuAllocatorT
+ cpuContexts []*CpuContext
+ cpuPerVpp int
}
func (s *HstSuite) SetupSuite() {
s.T().Fatalf("unmarshal error: %v", err)
}
- s.addresser = newAddresser(s)
+ s.ip4AddrAllocator = NewIp4AddressAllocator()
s.netInterfaces = make(map[string]*NetInterface)
for _, elem := range yamlTopo.Devices {
switch elem["type"].(string) {
}
case Veth, Tap:
{
- if netIf, err := newNetworkInterface(elem, s.addresser); err == nil {
+ if netIf, err := newNetworkInterface(elem, s.ip4AddrAllocator); err == nil {
s.netConfigs = append(s.netConfigs, netIf)
s.netInterfaces[netIf.Name()] = netIf
} else {
return s.testIds[testName]
}
-
-type AddressCounter = int
-
-type Addresser struct {
- networks map[int]AddressCounter
- suite *HstSuite
-}
-
-func (a *Addresser) addNetwork(networkNumber int) {
- a.networks[networkNumber] = 1
-}
-
-func (a *Addresser) newIp4Address(inputNetworkNumber ...int) (string, error) {
- var networkNumber int = 0
- if len(inputNetworkNumber) > 0 {
- networkNumber = inputNetworkNumber[0]
- }
-
- if _, ok := a.networks[networkNumber]; !ok {
- a.addNetwork(networkNumber)
- }
-
- numberOfAddresses := a.networks[networkNumber]
-
- if numberOfAddresses == 254 {
- return "", fmt.Errorf("no available IPv4 addresses")
- }
-
- address := fmt.Sprintf("10.10.%v.%v/24", networkNumber, numberOfAddresses)
- a.networks[networkNumber] = numberOfAddresses + 1
-
- return address, nil
-}
-
-func newAddresser(suite *HstSuite) *Addresser {
- var addresser = new(Addresser)
- addresser.suite = suite
- addresser.networks = make(map[int]AddressCounter)
- addresser.addNetwork(0)
- return addresser
-}
NetInterface struct {
NetConfigBase
- addresser *Addresser
- ip4Address string // this will have form 10.10.10.1/24
+ ip4AddrAllocator *Ip4AddressAllocator
+ ip4Address string
index InterfaceIndex
hwAddress MacAddress
networkNamespace string
}
)
-func newNetworkInterface(cfg NetDevConfig, a *Addresser) (*NetInterface, error) {
+func newNetworkInterface(cfg NetDevConfig, a *Ip4AddressAllocator) (*NetInterface, error) {
var newInterface *NetInterface = &NetInterface{}
var err error
- newInterface.addresser = a
+ newInterface.ip4AddrAllocator = a
newInterface.name = cfg["name"].(string)
newInterface.networkNumber = DEFAULT_NETWORK_NUM
if n, ok := ip.(NetDevConfig)["network"]; ok {
newInterface.networkNumber = n.(int)
}
- newInterface.ip4Address, err = newInterface.addresser.newIp4Address(
+ newInterface.ip4Address, err = newInterface.ip4AddrAllocator.NewIp4InterfaceAddress(
newInterface.networkNumber,
)
if err != nil {