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https://github.com/livekit/livekit.git
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faa870de3d
* move callbacks out of messageRouter * OCD * more OCD * fix forwarder test * even more OCD * maximum OCD * package name collision, copy lock by value
88 lines
2.7 KiB
Go
88 lines
2.7 KiB
Go
package routing
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import (
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"context"
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"github.com/go-redis/redis/v8"
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"github.com/livekit/protocol/livekit"
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"github.com/livekit/protocol/logger"
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"google.golang.org/protobuf/proto"
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)
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//go:generate go run github.com/maxbrunsfeld/counterfeiter/v6 -generate
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// MessageSink is an abstraction for writing protobuf messages and having them read by a MessageSource,
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// potentially on a different node via a transport
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//counterfeiter:generate . MessageSink
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type MessageSink interface {
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WriteMessage(msg proto.Message) error
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Close()
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OnClose(f func())
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}
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//counterfeiter:generate . MessageSource
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type MessageSource interface {
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// ReadChan exposes a one way channel to make it easier to use with select
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ReadChan() <-chan proto.Message
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}
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type ParticipantInit struct {
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Identity string
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Metadata string
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Reconnect bool
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Permission *livekit.ParticipantPermission
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AutoSubscribe bool
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Hidden bool
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Recorder bool
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Client *livekit.ClientInfo
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}
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type NewParticipantCallback func(ctx context.Context, roomName string, pi ParticipantInit, requestSource MessageSource, responseSink MessageSink)
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type RTCMessageCallback func(ctx context.Context, roomName, identity string, msg *livekit.RTCNodeMessage)
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// Router allows multiple nodes to coordinate the participant session
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//counterfeiter:generate . Router
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type Router interface {
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MessageRouter
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RegisterNode() error
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UnregisterNode() error
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RemoveDeadNodes() error
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ListNodes() ([]*livekit.Node, error)
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GetNodeForRoom(ctx context.Context, roomName string) (*livekit.Node, error)
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SetNodeForRoom(ctx context.Context, roomName, nodeId string) error
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ClearRoomState(ctx context.Context, roomName string) error
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Start() error
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Drain()
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Stop()
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// OnNewParticipantRTC is called to start a new participant's RTC connection
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OnNewParticipantRTC(callback NewParticipantCallback)
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// OnRTCMessage is called to execute actions on the RTC node
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OnRTCMessage(callback RTCMessageCallback)
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}
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type MessageRouter interface {
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// StartParticipantSignal participant signal connection is ready to start
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StartParticipantSignal(ctx context.Context, roomName string, pi ParticipantInit) (connectionId string, reqSink MessageSink, resSource MessageSource, err error)
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// Write a message to a participant, room, or node
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WriteParticipantRTC(ctx context.Context, roomName, identity string, msg *livekit.RTCNodeMessage) error
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WriteRoomRTC(ctx context.Context, roomName, identity string, msg *livekit.RTCNodeMessage) error
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WriteNodeRTC(ctx context.Context, nodeID string, msg *livekit.RTCNodeMessage) error
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}
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func CreateRouter(rc *redis.Client, node LocalNode) Router {
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if rc != nil {
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return NewRedisRouter(node, rc)
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}
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// local routing and store
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logger.Infow("using single-node routing")
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return NewLocalRouter(node)
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}
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