def message_receive_LV(sock):
assert(sock is not None)
length = len(struct.pack("@I", 0))
try:
buff = sock.recv(length)
except Exception:
log.error("Error in receiving message form socket...")
message = ''
if len(buff) == 0:
return message
message_length = int(struct.unpack("@I", buff)[0])
log.debug("message_length = '%d'" % message_length)
if message_length < 0:
raise RuntimeError("Got wrong message (length = %d" % message_length)
if message_length == 0:
log.debug("Message length is 0, skipping body")
return message
log.debug("Receiving V")
while len(message) < message_length:
chunk = sock.recv(message_length - len(message))
log.debug("Got a chunk (%d byte(s))" % len(chunk))
if chunk == '':
raise RuntimeError("Broken connection")
message = message + chunk
log.debug("Message received (%d byte(s))" % len(message))
return message
def __socket_set(self, value):
if self.___socket != value:
m = "Socket '%s' has been " % self.__name
if value is None:
m = m + "destroyed"
else:
m = m + "created"
log.debug(m)
self.___socket = value
def capturarDatos(self):
GPIO.setmode(GPIO.BCM)
GPIO.setup(self.GPIO_PIN, GPIO.IN)
valor = GPIO.input(self.GPIO_PIN)
estado = "Oscuridad"
if(valor <= 0.5) :
estado = "Luz"
log.debug( '%s (%d)'%(estado, valor))
self.guardarDatos(valor)
def __create(self):
if self.__socket is None:
log.debug("Socket '%s' is not available" % self.__name)
self.__connected = False
self.__socket = socket.socket(socket.AF_INET,
socket.SOCK_STREAM)
assert(self.__socket is not None)
self.__socket.settimeout(None)
else:
log.debug("Socket '%s' already created" % self.__name)
def capturarDatos(self):
arduino = serial.Serial('/dev/ttyUSB0', 9600)
arduino.write("0YL69")
time.sleep(2)
#Esto lee todas la lineas
msg = arduino.read(arduino.inWaiting())
log.info(msg)
objs = json.loads(msg)
#humedad = -1 * (obj["ao"] / 1023) * 100 + 100
for obj in objs:
humedad = -1 * (float(obj["ao"]) / float(1023)) * 100 + 100
sensor = "%d, %d" % (obj["dpin"], obj["apin"])
humedadStr = "Humedad Tierra={0:0.1f}%".format(humedad)
log.debug("%s en sensor %s" % (humedadStr, sensor))
self.guardarDatos(obj, humedad)
def run(query=''):
log.debug("%s"%query)
conn = MySQLdb.connect(*config.datosDB) # Conectar a la base de datos
cursor = conn.cursor() # Crear un cursor
cursor.execute(query) # Ejecutar una consulta
if query.upper().startswith('SELECT'):
data = cursor.fetchall() # Traer los resultados de un select
else:
conn.commit() # Hacer efectiva la escritura de datos
data = None
cursor.close() # Cerrar el cursor
conn.close() # Cerrar la conexion
return data
def run(query=''):
log.debug("%s" % query)
conn = MySQLdb.connect(*config.datosDB) # Conectar a la base de datos
cursor = conn.cursor() # Crear un cursor
cursor.execute(query) # Ejecutar una consulta
if query.upper().startswith('SELECT'):
data = cursor.fetchall() # Traer los resultados de un select
else:
conn.commit() # Hacer efectiva la escritura de datos
data = None
cursor.close() # Cerrar el cursor
conn.close() # Cerrar la conexion
return data
def __init__(self, name, host, port, timeout):
assert(name is not None)
assert(host is not None)
assert(port is not None)
log.debug("Socket client initializing '%s' (%s, %s, %s)" %
(name, host, port, timeout))
self.__name = name
self.__host = host
self.__port = int(port)
self.__timeout = int(timeout)
self.___socket = None
self.__connected = False
self.__socket = None
self.__create()
def __init__(self,
name,
retry_time,
listen_backlog,
bind_addr,
bind_port,
handlers_factory):
self.__name = name
self.__retry_time = int(retry_time)
self.__listen_backlog = int(listen_backlog)
self.__bind_addr = bind_addr
self.__bind_port = int(bind_port)
self.__handlers_factory = handlers_factory
assert(self.__name is not None)
assert(self.__handlers_factory is not None)
assert(self.__retry_time >= 1)
assert(self.__listen_backlog >= 0)
assert(self.__bind_port >= 0)
log.debug("Socket server '%s' initializing ..." % self.__name)
self.__server_sock = socket.socket(socket.AF_INET,
socket.SOCK_STREAM)
assert(self.__server_sock is not None)
self.__server_sock.setsockopt(socket.SOL_SOCKET,
socket.SO_REUSEADDR,
1)
log.debug("Socket server '%s' binding to %s:%d" %
(self.__name, self.__bind_addr, self.__bind_port))
self.__server_sock.bind((self.__bind_addr, self.__bind_port))
super(Server, self).__init__()
super(Server, self).setDaemon(True)
super(Server, self).start()
def connect(self):
if self.__socket is None:
self.__create()
if self.__connected:
log.debug("Socket already connected")
return
log.debug("Socket '%s' connecting to %s:%d)" %
(self.__name, self.__host, self.__port))
self.__socket.connect((self.__host, self.__port))
log.debug("Socket '%s' is now connected" % self.__name)
self.__connected = True
def __sleep(self, timeout):
log.debug("Socket '%s' sleeping for %d second(s)" %
(self.__name, timeout))
time.sleep(timeout)
def message_send(sock, message):
assert(sock is not None)
assert(message is not None)
log.debug("Sending message '%s'" % message)
message_send_LV(sock, message)
def message_send_LV(sock, message):
log.debug("Sending LV message '%s'" % str(message))
totalsent = 0
message_length = len(message)
log.debug("Sending header")
tempsent = 0
buff = struct.pack("@I", message_length)
while tempsent < len(buff):
sent = sock.send(buff[tempsent:])
log.debug("%d byte(s) sent" % sent)
if sent < 0:
raise RuntimeError("Broken connection")
tempsent = tempsent + sent
totalsent = totalsent + tempsent
if message_length == 0:
log.debug("Message length is 0, skipping body")
return
log.debug("Sending body '%s'" % str(message))
tempsent = 0
buff = message
while tempsent < len(buff):
sent = sock.send(buff[tempsent:])
log.debug("%d byte(s) sent" % sent)
if sent < 0:
raise RuntimeError("Broken connection")
tempsent = tempsent + sent
totalsent = totalsent + tempsent
log.debug("Message sent (%d byte(s))" % totalsent)
def run(self):
handlers = []
while True:
log.debug("Running body for socket server '%s'" % self.__name)
#try:
self.__server_sock.listen(self.__listen_backlog)
while True:
log.debug("Socket server '%s' is waiting for connection" %
self.__name)
(sock, addr) = self.__server_sock.accept()
client_address = addr[0]
client_port = int(addr[1])
endpoint = "%s:%d" % (client_address, client_port)
log.debug("Socket server got connection from '%s'" %
endpoint)
name = self.__name + "-" + endpoint
log.debug("Creating handler '%s'" % name)
handlers.append(self.__handlers_factory.create(name, sock))
log.debug("Handler '%s' created" % name)
log.debug("Socket server '%s' execution completed" % self.__name)
