multicast

Documentation

Overview

Copyright 2021 Antrea Authors

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

• Constants
• type Controller
  • func NewMulticastController(ofClient openflow.Client, nodeConfig *config.NodeConfig, ...) *Controller
  • func (c *Controller) Initialize() error
  • func (c *Controller) Run(stopCh <-chan struct{})
• type GroupMemberStatus
• type IGMPSnooper
  • func (s *IGMPSnooper) HandlePacketIn(pktIn *ofctrl.PacketIn) error
• type MRouteClient
  • func (c *MRouteClient) Initialize() error
• type RouteInterface
• type Socket
  • func CreateMulticastSocket() (*Socket, error)
  • func (s *Socket) AddMrouteEntry(src net.IP, group net.IP, iif uint16, oifVIFs []uint16) (err error)
  • func (s *Socket) AllocateVIFs(interfaceNames []string, startVIF uint16) ([]uint16, error)
  • func (s *Socket) DelMrouteEntry(src net.IP, group net.IP, iif uint16) (err error)
  • func (s *Socket) FlushMRoute()
  • func (s *Socket) GetFD() int
  • func (s *Socket) MulticastInterfaceJoinMgroup(mgroup net.IP, ifaceIP net.IP, ifaceName string) error
  • func (s *Socket) MulticastInterfaceLeaveMgroup(mgroup net.IP, ifaceIP net.IP, ifaceName string) error

Constants

const (
	GroupNameIndexName      = "groupName"
	MulticastFlag           = "multicast"
	MulticastRecvBufferSize = 128
)

const (
	IGMPMsgNocache = multicastsyscall.IGMPMSG_NOCACHE
	MaxVIFs        = multicastsyscall.MAXVIFS
	SizeofIgmpmsg  = multicastsyscall.SizeofIgmpmsg
)

const (
	IGMPProtocolNumber = 2
)

Types

type Controller

type Controller struct {
	// contains filtered or unexported fields
}

func NewMulticastController

func NewMulticastController(ofClient openflow.Client, nodeConfig *config.NodeConfig, ifaceStore interfacestore.InterfaceStore, multicastSocket RouteInterface, multicastInterfaces sets.String, ovsBridgeClient ovsconfig.OVSBridgeClient) *Controller

func (*Controller) Initialize

func (c *Controller) Initialize() error

func (*Controller) Run

func (c *Controller) Run(stopCh <-chan struct{})

type GroupMemberStatus

type GroupMemberStatus struct {
	// contains filtered or unexported fields
}

type IGMPSnooper

type IGMPSnooper struct {
	// contains filtered or unexported fields
}

func (*IGMPSnooper) HandlePacketIn

func (s *IGMPSnooper) HandlePacketIn(pktIn *ofctrl.PacketIn) error

type MRouteClient

type MRouteClient struct {
	// contains filtered or unexported fields
}

MRouteClient configures static multicast route.

func (*MRouteClient) Initialize

func (c *MRouteClient) Initialize() error

type RouteInterface

type RouteInterface interface {
	// MulticastInterfaceJoinMgroup enables interface with name ifaceName and IP ifaceIP
	// joins multicast group IP mgroup.
	MulticastInterfaceJoinMgroup(mgroup net.IP, ifaceIP net.IP, ifaceName string) error
	// MulticastInterfaceLeaveMgroup enables interface with name ifaceName and IP ifaceIP
	// leaves multicast group IP mgroup.
	MulticastInterfaceLeaveMgroup(mgroup net.IP, ifaceIP net.IP, ifaceName string) error
	// AddMrouteEntry adds multicast route with specified source(src), multicast group IP(group),
	// inbound multicast interface(iif) and outbound multicast interfaces(oifs).
	AddMrouteEntry(src net.IP, group net.IP, iif uint16, oifs []uint16) (err error)
	// DelMrouteEntry deletes multicast route with specified source(src), multicast group IP(group),
	// inbound multicast interface(iif).
	DelMrouteEntry(src net.IP, group net.IP, iif uint16) (err error)
	// FlushMRoute flushes static multicast routing entries.
	FlushMRoute()
	// GetFD returns socket file descriptor.
	GetFD() int
	// AllocateVIFs allocate VIFs to interfaces, starting from startVIF.
	AllocateVIFs(interfaceNames []string, startVIF uint16) ([]uint16, error)
}

type Socket

type Socket struct {
	// contains filtered or unexported fields
}

func CreateMulticastSocket

func CreateMulticastSocket() (*Socket, error)

func (*Socket) AddMrouteEntry

func (s *Socket) AddMrouteEntry(src net.IP, group net.IP, iif uint16, oifVIFs []uint16) (err error)

func (*Socket) AllocateVIFs

func (s *Socket) AllocateVIFs(interfaceNames []string, startVIF uint16) ([]uint16, error)

func (*Socket) DelMrouteEntry

func (s *Socket) DelMrouteEntry(src net.IP, group net.IP, iif uint16) (err error)

func (*Socket) FlushMRoute

func (s *Socket) FlushMRoute()

func (*Socket) GetFD

func (s *Socket) GetFD() int

func (*Socket) MulticastInterfaceJoinMgroup

func (s *Socket) MulticastInterfaceJoinMgroup(mgroup net.IP, ifaceIP net.IP, ifaceName string) error

func (*Socket) MulticastInterfaceLeaveMgroup

func (s *Socket) MulticastInterfaceLeaveMgroup(mgroup net.IP, ifaceIP net.IP, ifaceName string) error