Add stub for players controller.

cmd/mtwebmapper/main.go

@@ -29,6 +29,7 @@ func main() {
 		transparent bool
 		updateHosts string
 		websockets  bool
+		playersFIFO string
 	)
 	flag.IntVar(&webPort, "web-port", 8808, "port of the web server")
 	flag.IntVar(&webPort, "p", 8808, "port of the web server (shorthand)")
@@ -53,6 +54,8 @@ func main() {
 	flag.BoolVar(&transparent, "t", false, "Render transparent blocks (shorthand).")
 	flag.BoolVar(&websockets, "websockets", false, "Forward tile changes to clients via websockets.")
 	flag.BoolVar(&websockets, "ws", false, "Forward tile changes to clients via websockets (shorthand).")
+	flag.StringVar(&playersFIFO, "players", "", "Path to FIFO file to read active players from.")
+	flag.StringVar(&playersFIFO, "ps", "", "Path to FIFO file to read active players from (shorthand).")
 
 	flag.Parse()
 
@@ -63,6 +66,12 @@ func main() {
 
 	var btu baseTilesUpdates
 
+	if playersFIFO != "" {
+		plys := newPlayers(playersFIFO)
+		go plys.run()
+		router.Path("/players").Methods("GET").Handler(plys)
+	}
+
 	if websockets {
 		wsf := newWebsocketForwarder()
 		go wsf.run()

cmd/mtwebmapper/players.go

@@ -0,0 +1,21 @@
+package main
+
+import "net/http"
+
+type players struct {
+	fifo string
+}
+
+func newPlayers(fifo string) *players {
+	return &players{fifo: fifo}
+}
+
+func (ps *players) run() {
+	for {
+		// TODO: Implement me!
+	}
+}
+
+func (ps *players) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
+	// TODO: Implement me!
+}