Make the room type configurable through NATS.

go/channelling/room_manager.go

@@ -25,6 +25,8 @@ import (
 	"fmt"
 	"log"
 	"sync"
+
+	"github.com/nats-io/nats"
 )
 
 type RoomStatusManager interface {
@@ -48,15 +50,24 @@ type RoomManager interface {
 	RoomStatusManager
 	Broadcaster
 	RoomStats
+	SetBusManager(bus BusManager) error
 }
 
 type roomManager struct {
 	sync.RWMutex
 	*Config
 	OutgoingEncoder
-	roomTable     map[string]RoomWorker
-	globalRoomID  string
-	defaultRoomID string
+	BusManager
+	roomTypeSubscription *nats.Subscription
+	roomTable            map[string]RoomWorker
+	roomTypes            map[string]string
+	globalRoomID         string
+	defaultRoomID        string
+}
+
+type roomTypeMessage struct {
+	Path string `json:"path"`
+	Type string `json:"type"`
 }
 
 func NewRoomManager(config *Config, encoder OutgoingEncoder) RoomManager {
@@ -65,6 +76,7 @@ func NewRoomManager(config *Config, encoder OutgoingEncoder) RoomManager {
 		Config:          config,
 		OutgoingEncoder: encoder,
 		roomTable:       make(map[string]RoomWorker),
+		roomTypes:       make(map[string]string),
 	}
 	if config.GlobalRoomID != "" {
 		rm.globalRoomID = rm.MakeRoomID(config.GlobalRoomID, "")
@@ -73,6 +85,36 @@ func NewRoomManager(config *Config, encoder OutgoingEncoder) RoomManager {
 	return rm
 }
 
+func (rooms *roomManager) SetBusManager(BusManager BusManager) error {
+	if rooms.roomTypeSubscription != nil {
+		rooms.roomTypeSubscription.Unsubscribe()
+		rooms.roomTypeSubscription = nil
+	}
+	rooms.BusManager = BusManager
+	if rooms.BusManager != nil {
+		sub, err := rooms.Subscribe("channelling.config.roomtype", rooms.setNatsRoomType)
+		if err != nil {
+			return err
+		}
+		rooms.roomTypeSubscription = sub
+	}
+	return nil
+}
+
+func (rooms *roomManager) setNatsRoomType(msg *roomTypeMessage) {
+	if msg == nil {
+		return
+	}
+
+	if msg.Type != "" {
+		log.Printf("Setting room type for %s to %s\n", msg.Path, msg.Type)
+		rooms.roomTypes[msg.Path] = msg.Type
+	} else {
+		log.Printf("Clearing room type for %s\n", msg.Path)
+		delete(rooms.roomTypes, msg.Path)
+	}
+}
+
 func (rooms *roomManager) RoomUsers(session *Session) []*DataSession {
 	if room, ok := rooms.Get(session.Roomid); ok {
 		return room.GetUsers()
@@ -226,6 +268,11 @@ func (rooms *roomManager) MakeRoomID(roomName, roomType string) string {
 }
 
 func (rooms *roomManager) getConfiguredRoomType(roomName string) string {
+	if roomType, found := rooms.roomTypes[roomName]; found {
+		// Type of this room was overwritten through NATS.
+		return roomType
+	}
+
 	for re, roomType := range rooms.RoomTypes {
 		if re.MatchString(roomName) {
 			return roomType

go/channelling/room_manager_test.go

@@ -100,3 +100,19 @@ func Test_RoomManager_UpdateRoom_ReturnsACorrectlyTypedDocument(t *testing.T) {
 		t.Errorf("Expected document type to be %s, but was %v", channelling.RoomTypeRoom, room.Type)
 	}
 }
+
+func Test_RoomManager_TypeThroughNats(t *testing.T) {
+	theRoomManager, _ := NewTestRoomManager()
+	rm := theRoomManager.(*roomManager)
+	if rt := rm.getConfiguredRoomType("foo"); rt != channelling.RoomTypeRoom {
+		t.Errorf("Expected room type to be %s, but was %v", channelling.RoomTypeRoom, rt)
+	}
+	rm.setNatsRoomType(&roomTypeMessage{Path: "foo", Type: "Conference"})
+	if rt := rm.getConfiguredRoomType("foo"); rt != "Conference" {
+		t.Errorf("Expected room type to be %s, but was %v", "Conference", rt)
+	}
+	rm.setNatsRoomType(&roomTypeMessage{Path: "foo", Type: ""})
+	if rt := rm.getConfiguredRoomType("foo"); rt != channelling.RoomTypeRoom {
+		t.Errorf("Expected room type to be %s, but was %v", channelling.RoomTypeRoom, rt)
+	}
+}

src/app/spreed-webrtc-server/main.go

@@ -276,6 +276,9 @@ func runner(runtime phoenix.Runtime) error {
 	statsManager := channelling.NewStatsManager(hub, roomManager, sessionManager)
 	busManager := channelling.NewBusManager(apiConsumer, natsClientId, natsChannellingTrigger, natsChannellingTriggerSubject)
 	pipelineManager := channelling.NewPipelineManager(busManager, sessionManager, sessionManager, sessionManager)
+	if err := roomManager.SetBusManager(busManager); err != nil {
+		return err
+	}
 
 	// Create API.
 	channellingAPI := api.New(config, roomManager, tickets, sessionManager, statsManager, hub, hub, hub, busManager, pipelineManager)