Files
PhotonVision/backend/app/handlers/SocketHandler.py
2019-06-14 08:35:42 -07:00

86 lines
2.9 KiB
Python

import tornado.websocket
import json
from ..classes.Exceptions import NoCameraConnectedException
from ..classes.SettingsManager import SettingsManager
class ChameleonWebSocket(tornado.websocket.WebSocketHandler):
actions = {}
set_this_camera_settings = ["exposure", "brightness", "video_mode"]
def __init__(self, application, request, **kwargs):
super().__init__(application, request, **kwargs)
self.settings_manager = SettingsManager()
self.init_actions()
def init_actions(self):
self.actions["change_pipeline_values"] = self.change_pipeline_values
self.actions["change_general_settings_values"] = self.settings_manager.change_general_settings_values
self.actions["change_cam"] = self.change_curr_camera
self.actions["change_pipeline"] = self.change_curr_pipeline
def open(self):
self.send_full_settings()
print("WebSocket opened")
def on_message(self, message):
message_dic = json.loads(message)
for key in message_dic:
self.actions.get(key, self.actions["change_pipeline_values"])(message_dic)
print(message)
def on_close(self):
self.settings_manager.save_settings()
print("WebSocket closed")
def check_origin(self, origin):
return True
def send_curr_pipeline(self):
try:
self.write_message(self.settings_manager.get_curr_pipeline())
except NoCameraConnectedException:
# TODO: return something if no camera connected
self.write_message("No camera connected")
def send_curr_cam(self):
try:
self.write_message(self.settings_manager.get_curr_cam())
except NoCameraConnectedException:
# TODO: return something if no camera connected
self.write_message("No camera connected")
def send_full_settings(self):
full_settings = self.settings_manager.general_settings.copy()
full_settings["cameraList"] = list(self.settings_manager.cams.copy().keys())
try:
full_settings.update(self.settings_manager.get_curr_pipeline())
except NoCameraConnectedException:
# TODO: return something if no camera connected
full_settings["data"] = None
self.write_message(full_settings)
def change_curr_camera(self, dic):
self.settings_manager.set_curr_camera(cam_name=dic["cam"])
self.send_curr_cam()
def change_curr_pipeline(self, dic):
self.settings_manager.set_curr_pipeline(pipe_name=dic["pipeline"])
self.send_curr_pipeline()
def change_pipeline_values(self, dic):
self.settings_manager.change_pipeline_values(dic)
for key in self.set_this_camera_settings:
if key in dic:
self.settings_manager.set_camera_settings(self.settings_manager.general_settings["curr_camera"],
dic)