moby--moby/libnetwork/drivers/null/null.go

71 lines
1.6 KiB
Go

package null
import (
"sync"
"github.com/docker/libnetwork/driverapi"
"github.com/docker/libnetwork/types"
)
const networkType = "null"
type driver struct {
network types.UUID
sync.Mutex
}
// Init registers a new instance of null driver
func Init(dc driverapi.DriverCallback) error {
c := driverapi.Capability{
Scope: driverapi.LocalScope,
}
return dc.RegisterDriver(networkType, &driver{}, c)
}
func (d *driver) Config(option map[string]interface{}) error {
return nil
}
func (d *driver) CreateNetwork(id types.UUID, option map[string]interface{}) error {
d.Lock()
defer d.Unlock()
if d.network != "" {
return types.ForbiddenErrorf("only one instance of \"%s\" network is allowed", networkType)
}
d.network = id
return nil
}
func (d *driver) DeleteNetwork(nid types.UUID) error {
return types.ForbiddenErrorf("network of type \"%s\" cannot be deleted", networkType)
}
func (d *driver) CreateEndpoint(nid, eid types.UUID, epInfo driverapi.EndpointInfo, epOptions map[string]interface{}) error {
return nil
}
func (d *driver) DeleteEndpoint(nid, eid types.UUID) error {
return nil
}
func (d *driver) EndpointOperInfo(nid, eid types.UUID) (map[string]interface{}, error) {
return make(map[string]interface{}, 0), nil
}
// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid types.UUID, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
return nil
}
// Leave method is invoked when a Sandbox detaches from an endpoint.
func (d *driver) Leave(nid, eid types.UUID) error {
return nil
}
func (d *driver) Type() string {
return networkType
}