mirror of
https://github.com/livekit/livekit.git
synced 2026-04-03 10:35:45 +00:00
91 lines
2.9 KiB
Go
91 lines
2.9 KiB
Go
package routing
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/go-redis/redis/v8"
|
|
"google.golang.org/protobuf/proto"
|
|
|
|
"github.com/livekit/protocol/auth"
|
|
"github.com/livekit/protocol/livekit"
|
|
"github.com/livekit/protocol/logger"
|
|
)
|
|
|
|
//go:generate go run github.com/maxbrunsfeld/counterfeiter/v6 -generate
|
|
|
|
// MessageSink is an abstraction for writing protobuf messages and having them read by a MessageSource,
|
|
// potentially on a different node via a transport
|
|
//counterfeiter:generate . MessageSink
|
|
type MessageSink interface {
|
|
WriteMessage(msg proto.Message) error
|
|
Close()
|
|
OnClose(f func())
|
|
}
|
|
|
|
//counterfeiter:generate . MessageSource
|
|
type MessageSource interface {
|
|
// ReadChan exposes a one way channel to make it easier to use with select
|
|
ReadChan() <-chan proto.Message
|
|
}
|
|
|
|
type ParticipantInit struct {
|
|
Identity livekit.ParticipantIdentity
|
|
Name livekit.ParticipantName
|
|
Reconnect bool
|
|
AutoSubscribe bool
|
|
Client *livekit.ClientInfo
|
|
Grants *auth.ClaimGrants
|
|
Region string
|
|
AdaptiveStream bool
|
|
}
|
|
|
|
type NewParticipantCallback func(ctx context.Context, roomName livekit.RoomName, pi ParticipantInit, requestSource MessageSource, responseSink MessageSink)
|
|
type RTCMessageCallback func(ctx context.Context, roomName livekit.RoomName, identity livekit.ParticipantIdentity, msg *livekit.RTCNodeMessage)
|
|
|
|
// Router allows multiple nodes to coordinate the participant session
|
|
//counterfeiter:generate . Router
|
|
type Router interface {
|
|
MessageRouter
|
|
|
|
RegisterNode() error
|
|
UnregisterNode() error
|
|
RemoveDeadNodes() error
|
|
|
|
ListNodes() ([]*livekit.Node, error)
|
|
|
|
GetNodeForRoom(ctx context.Context, roomName livekit.RoomName) (*livekit.Node, error)
|
|
SetNodeForRoom(ctx context.Context, roomName livekit.RoomName, nodeId livekit.NodeID) error
|
|
ClearRoomState(ctx context.Context, roomName livekit.RoomName) error
|
|
|
|
GetRegion() string
|
|
|
|
Start() error
|
|
Drain()
|
|
Stop()
|
|
|
|
// OnNewParticipantRTC is called to start a new participant's RTC connection
|
|
OnNewParticipantRTC(callback NewParticipantCallback)
|
|
|
|
// OnRTCMessage is called to execute actions on the RTC node
|
|
OnRTCMessage(callback RTCMessageCallback)
|
|
}
|
|
|
|
type MessageRouter interface {
|
|
// StartParticipantSignal participant signal connection is ready to start
|
|
StartParticipantSignal(ctx context.Context, roomName livekit.RoomName, pi ParticipantInit) (connectionID livekit.ConnectionID, reqSink MessageSink, resSource MessageSource, err error)
|
|
|
|
// Write a message to a participant or room
|
|
WriteParticipantRTC(ctx context.Context, roomName livekit.RoomName, identity livekit.ParticipantIdentity, msg *livekit.RTCNodeMessage) error
|
|
WriteRoomRTC(ctx context.Context, roomName livekit.RoomName, msg *livekit.RTCNodeMessage) error
|
|
}
|
|
|
|
func CreateRouter(rc *redis.Client, node LocalNode) Router {
|
|
if rc != nil {
|
|
return NewRedisRouter(node, rc)
|
|
}
|
|
|
|
// local routing and store
|
|
logger.Infow("using single-node routing")
|
|
return NewLocalRouter(node)
|
|
}
|