def createWebsocketInterface(appcfg):
address = keyChainValue(appcfg, 'view_server', 'address')
port = keyChainValue(appcfg, 'view_server', 'port')
sockopt = ((socket.IPPROTO_TCP, socket.TCP_NODELAY, 1),)
ws_url = "ws://{0}:{1}/data_websocket".format(address, port)
ui_server_websocket = create_connection(ws_url, None, sockopt=sockopt)
ui_server_websocket.settimeout(0)
# Inform feedback webserver of experiment directory list
avail_exp_list = DataCollectionRuntime.getActiveExperimentNames(
appcfg.get("experiment_inactive_token"))
msg_type = 'EXP_FOLDER_LIST'
ui_server_websocket.send(ujson.encode([{'msg_type': msg_type,
'data': avail_exp_list}, ]))
msg_type = 'DATA_COLLECT_CONFIG'
ui_server_websocket.send(ujson.encode([{'msg_type': msg_type,
'data': appcfg}, ]))
return ui_server_websocket
#
dsfilename = iohub_conf.get('data_store', {}).get('filename')
if dsfilename is None:
dsfilename = 'events'
dsfilepath = pjoin(DataCollectionRuntime.results_root_folder,
DataCollectionRuntime.active_exp_name,
dsfilename)
iohub_conf.get('data_store', {})['filename'] = dsfilepath
# save modified iohub_config for loading by upcoming session
#
dump(iohub_conf, file(pjoin(configurationDirectory,
new_iohubconfig_rpath), 'w'), Dumper = Dumper)
iohub_conf = None
# Create the experiment Session Runtime
#
runtime = DataCollectionRuntime(configurationDirectory,
"..\\settings\\last_app_config.yaml")
# Set the app web socket and send a msg indicating data collection
# is ready
#
runtime.ui_server_websocket = proxy(ws)
cmtype = "success"
msg = {'msg_type': 'EXP_SESSION_STARTED', 'type': cmtype}
runtime.sendToWebServer(msg)
app_conf = None
# Start the exp runtime
#
cmd, _ = runtime.start(app_config_file_name,pjoin(configurationDirectory,
new_iohubconfig_rpath))
