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remote.py
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remote.py
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#!/usr/bin/env python3
# This Python file uses the following encoding: utf-8
import socket
import sys
import json
import select
import logging
ADDR = "heizungeg"
PORT = 5005
udpTimeout = 4
def tcpRemote(msg, **kwargs):
# Todo
pass
def udpRemote(msg, **kwargs):
# Setzt einen JSON-String in Richtung Ampi per UDP ab
# msg: JSON-String nach Ampi-Spec
# udpSocket: wenn da ein Socket übergeben wird, wird halt der hergenommen
# addr, port: Gibt's keinen Socket, wird einer mit addr, port aufgemacht
# Wenn nix übergeben wird, gibt's halt einen Standard-Socket
if('udpSocket' in kwargs):
udpSocket = kwargs.get('udpSocket')
else:
if('addr' not in kwargs or 'port' not in kwargs):
logging.info("Uiui, wohin soll ich mich nur verbinden? Naja, standard halt.")
addr = ADDR
port = PORT
else:
addr = kwargs.get('addr')
port = kwargs.get('port')
logging.debug("Öffne Socket")
try:
udpSocket = socket.socket( socket.AF_INET, socket.SOCK_DGRAM )
udpSocket.setblocking(0)
except Exception as e:
logging.info(str(e))
try:
ret = -1
logging.debug("So laut des heit: %s", msg)
ready = select.select([], [udpSocket], [], udpTimeout)
if(ready[1]):
udpSocket.sendto( msg.encode(), (addr,port) )
logging.debug("Gesendet")
ready = select.select([udpSocket], [], [], udpTimeout)
if(ready[0]):
data, addr = udpSocket.recvfrom(8192)
logging.debug(data.decode())
ret = json.loads(data.decode())
return(ret)
except Exception as e:
logging.info(str(e))
return -1
if __name__ == "__main__":
json_string = '{"command" : "getAlive"}'
answer = udpRemote(json_string, addr="heizungeg", port=5005)
print(answer)
print(type(answer))
pass