dotcloud/docker

//go:build linux

package ipvlan

import (
    "context"
    "net"
    "sync"

    "github.com/docker/docker/libnetwork/datastore"
    "github.com/docker/docker/libnetwork/driverapi"
    "github.com/docker/docker/libnetwork/scope"
    "github.com/docker/docker/libnetwork/types"
)

const (
    containerVethPrefix = "eth"
    vethPrefix          = "veth"
    vethLen             = len(vethPrefix) + 7

    NetworkType   = "ipvlan"      // driver type name
    parentOpt     = "parent"      // parent interface -o parent
    driverModeOpt = "ipvlan_mode" // mode -o ipvlan_mode
    driverFlagOpt = "ipvlan_flag" // flag -o ipvlan_flag

    modeL2  = "l2"  // ipvlan L2 mode (default)
    modeL3  = "l3"  // ipvlan L3 mode
    modeL3S = "l3s" // ipvlan L3S mode

    flagBridge  = "bridge"  // ipvlan flag bridge (default)
    flagPrivate = "private" // ipvlan flag private
    flagVepa    = "vepa"    // ipvlan flag vepa
)

type endpointTable map[string]*endpoint

type networkTable map[string]*network

type driver struct {
    networks networkTable
    sync.Once
    sync.Mutex
    store *datastore.Store
}

type endpoint struct {
    id       string
    nid      string
    mac      net.HardwareAddr
    addr     *net.IPNet
    addrv6   *net.IPNet
    srcName  string
    dbIndex  uint64
    dbExists bool
}

type network struct {
    id        string
    endpoints endpointTable
    driver    *driver
    config    *configuration
    sync.Mutex
}

// Register initializes and registers the libnetwork ipvlan driver.
func Register(r driverapi.Registerer, config map[string]interface{}) error {
    d := &driver{
        networks: networkTable{},
    }
    if err := d.initStore(config); err != nil {
        return err
    }
    return r.RegisterDriver(NetworkType, d, driverapi.Capability{
        DataScope:         scope.Local,
        ConnectivityScope: scope.Global,
    })
}

func (d *driver) NetworkAllocate(id string, option map[string]string, ipV4Data, ipV6Data []driverapi.IPAMData) (map[string]string, error) {
    return nil, types.NotImplementedErrorf("not implemented")
}

func (d *driver) NetworkFree(id string) error {
    return types.NotImplementedErrorf("not implemented")
}

func (d *driver) EndpointOperInfo(nid, eid string) (map[string]interface{}, error) {
    return make(map[string]interface{}), nil
}

func (d *driver) Type() string {
    return NetworkType
}

func (d *driver) IsBuiltIn() bool {
    return true
}

func (d *driver) ProgramExternalConnectivity(_ context.Context, nid, eid string, options map[string]interface{}) error {
    return nil
}

func (d *driver) RevokeExternalConnectivity(nid, eid string) error {
    return nil
}

func (d *driver) EventNotify(etype driverapi.EventType, nid, tableName, key string, value []byte) {
}

func (d *driver) DecodeTableEntry(tablename string, key string, value []byte) (string, map[string]string) {
    return "", nil
}