class WebCameraControl(LoopTask):
"""
Heroku CloundMQTTを購読し、Web Cameraを操作する
"""
def __init__(self):
super(WebCameraControl, self).__init__()
def setup(self):
try:
self.proxy = appservice.ServiceProxy()
proxy = appservice.ServiceProxy()
url = proxy.get_account("heroku")["CLOUDMQTT_URL"]
url = urlparse.urlparse(url)
self.mqttc = MqttClient(url.hostname, url.port)
self.mqttc.client.username_pw_set(url.username, url.password)
self.mqttc.subscribe("automation/camera/+", self.callback)
self.cmdq = Queue()
logger.info("setup: done.")
except:
logger.critical("unhandled exception")
raise
def loop(self):
try:
self.mqttc.secure_connection()
cmd = self.cmdq.get()
if cmd == "send":
self.send_mail()
self.cmdq.task_done()
logger.info("loop: cmd={} done.".format(cmd))
except:
logger.error("unhandled exception")
def callback(self, topic, payload):
try:
logger.info("callback: topic={}, payload={}".format(topic, payload))
self.cmdq.put(topic.split("/")[-1])
except:
logger.error("unhandled exception")
def send_mail(self):
with tempfile.NamedTemporaryFile(suffix=".png") as imgfile:
cam = webcam.OpenCVCamera() # must be initialized in main thread
cam.capture_to_file(imgfile.name)
self.proxy.sendmail_with_media(
self.proxy.get_account("personal")["email"],
"Live Image by Web Camera",
str(datetime.datetime.now()),
xmlrpclib.Binary(imgfile.read()),
)
class SolarReciever(LoopTask):
'''
Xbee UDP経由で、ソーラ発電コントローラから送られてくる利用状況を、MQTTにブリッジする。
MQTT topic: solar/values
MQTT payload: 電圧、電流、電力のjsonデータ
'''
DEFAULT_PORT = 5007
DEFAULT_TIMEOUT = 10
def __init__(self, port=DEFAULT_PORT, timeout=DEFAULT_TIMEOUT):
super(SolarReciever, self).__init__()
self.port = port
self.timeout = timeout
self.mqttc = MqttClient()
self.socket = None
def setup(self):
try:
logger.info('setup: Port={}'.format(self.port))
self.bind()
logger.info('setup: done.')
except:
logger.critical('unhandled exception')
raise
def loop(self):
try:
msg, addr = self.sock.recvfrom(8192)
self.publish(msg)
except socket.timeout:
pass
except:
logger.error('unhandled exception')
time.sleep(10)
self.bind()
def bind(self):
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.sock.bind(('', self.port))
self.sock.settimeout(self.timeout)
logger.info('bind: done.')
def publish(self, msg):
values = json.loads(msg)
values['Time'] = time.time()
self.mqttc.publish('solar/values', json.dumps(values))
def setup(self):
try:
self.mqttc = MqttClient()
logger.info('setup done.')
except:
logger.critical('unhandled exception')
raise
def setup(self):
try:
self.last_access = {}
self.mqttc = MqttClient()
self.mqttc.subscribe('sensors/+/+', self.callback)
self.rs = redis.StrictRedis(host=config.raspi2, port=6379, db=0)
proxy = appservice.ServiceProxy()
self.heroku = proxy.get_account('heroku')['URL']
logger.info('setup: done.')
except:
logger.critical('unhandled exception')
raise
class LocalSensorMonitor(LoopTask):
INTERVAL = 60
'''
RPiに直結されている温度センサの値を定期的にMQTTにパブリッシュする
'''
def __init__(self):
super(LocalSensorMonitor,self).__init__(self.INTERVAL)
def setup(self):
try:
self.mqttc = MqttClient()
logger.info('setup done.')
except:
logger.critical('unhandled exception')
raise
def loop(self):
try:
values = localsensor.getvalues()
for k, v in values.items():
self.mqttc.publish('sensors/{}/temperature'.format(k), '%2.2f' % v)
except:
logger.error('unhandled exception')
