only one event loop

hbd

@@ -822,9 +822,12 @@ async def ws_serve(websocket, path):
 			print(f'ws closed: {e}')
 			break
 		print(f"< {name} at {path}")
-		for h in hbdclass.Host.hosts:
+		for h in sorted(hbdclass.Host.hosts):
 			jmsg = json.dumps({'type': 'host', 'data': hbdclass.Host.hosts[h].stateinfo() })
 			await websocket.send(jmsg)
+		for m in msgs[len(msgs)-20:]:
+			jmsg = json.dumps({'type': 'message', 'data': m })
+			await websocket.send(jmsg)
 
 	del ws_connections[websocket]
 
@@ -835,7 +838,11 @@ def websocketupdater():
 def msg_to_websockets(typ: str, msg: str):
 	jmsg = json.dumps({'type': typ, 'data': msg})
 	for ws in ws_connections:
-		asyncio.run(ws.send(jmsg))
+		try:
+			asyncio.run(ws.send(jmsg))
+		except Exception as e:
+			print("ws.send exception: " % e)
+			exit(1)
 
 #
 # Main
@@ -1069,8 +1076,9 @@ except:
 	sys.exit(1)
 
 
+loop = asyncio.get_event_loop()
 ws_start_server = websockets.serve(ws_serve, hbd_host, WSPORT)
-asyncio.get_event_loop().run_until_complete(ws_start_server)
+loop.run_until_complete(ws_start_server)
 
 servthread = threading.Thread(target=serv.serve_forever)
 servthread.daemon = True
@@ -1081,7 +1089,6 @@ dnsT = threading.Thread(target=dnsupdatethread)
 dnsT.daemon = True
 dnsT.start()
 
-loop = asyncio.get_event_loop()
 wsT = threading.Thread(target=websocketupdater)
 wsT.daemon = True
 wsT.start()