145 lines
3.4 KiB
Python
Executable File
145 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# coding: utf-8
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# vim: noet ts=2 sw=2 sts=2
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import os
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import time
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import collectd
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from sem6000 import SEMSocket
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from bluepy.btle import BTLEDisconnectError
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instances = []
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def init_func():
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pass
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def config_func(cfg):
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global instances
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config = {}
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for node in cfg.children:
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key = node.key.lower()
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value = node.values[0]
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if key in ['address', 'socketname']:
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config[key] = value
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if key == 'readtimeout':
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config['readtimeout'] = int(value)
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if key == 'suspendtime':
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config['suspendtime'] = int(value)
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if 'address' not in config.keys():
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collectd.error('sem6000: address must be set')
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return
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if 'socketname' not in config.keys():
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config['socketname'] = config['address'].replace(':', '')
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if 'readtimeout' not in config.keys():
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config['readtimeout'] = 30
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if 'suspendtime' not in config.keys():
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config['suspendtime'] = 300
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instances.append( {
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'config': config,
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'socket': None,
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'suspended': False,
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'lastsuccess': 0,
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'resumetime': 0
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} )
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def read_func():
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global instances
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for inst in instances:
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config = inst['config']
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if inst['suspended']:
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if time.time() < inst['resumetime']:
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continue
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else:
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collectd.info("sem6000: Device {} waking up.".format(config['address']))
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inst['suspended'] = False
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inst['lastsuccess'] = time.time()
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try:
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if inst['socket'] == None:
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collectd.info("sem6000: Connecting to {}...".format(config['address']))
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inst['socket'] = SEMSocket(config['address'])
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collectd.info("sem6000: Connected.")
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inst['socket'].getStatus()
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except (SEMSocket.NotConnectedException, BTLEDisconnectError, BrokenPipeError) as e:
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collectd.warning("sem6000: Exception caught: {}".format(e))
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collectd.warning("sem6000: Restarting on next cycle...")
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if inst['lastsuccess'] < time.time() - config['readtimeout']:
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collectd.error("sem6000: no successful communication with {} for {:.1f} seconds. Suspending device for {:.1f} seconds.".format(
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config['address'], config['readtimeout'], config['suspendtime']))
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inst['suspended'] = True
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inst['resumetime'] = time.time() + config['suspendtime']
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if inst['socket'] != None:
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inst['socket'].disconnect()
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inst['socket'] = None
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socket = inst['socket']
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if socket != None and socket.voltage != 0:
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collectd.debug("Uploading values for {}".format(socket.mac_address))
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inst['lastsuccess'] = time.time()
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val = collectd.Values(plugin = 'sem6000-{}'.format(config['socketname']))
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val.type = 'voltage'
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val.type_instance = 'grid'
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val.values = [ socket.voltage ]
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val.dispatch()
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val.type = 'current'
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val.type_instance = 'load'
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val.values = [ socket.current ]
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val.dispatch()
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val.type = 'power'
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val.type_instance = 'real_power'
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val.values = [ socket.power ]
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val.dispatch()
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val.type = 'gauge'
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val.type_instance = 'power_factor'
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val.values = [ socket.power_factor ]
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val.dispatch()
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val.type = 'gauge'
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val.type_instance = 'load_on'
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val.values = [ socket.powered ]
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val.dispatch()
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val.type = 'frequency'
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val.type_instance = 'grid'
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val.values = [ socket.frequency ]
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val.dispatch()
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def shutdown_func():
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global instances
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for inst in instances:
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if inst['socket'] != None:
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inst['socket'].disconnect()
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instances = []
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collectd.register_config(config_func)
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collectd.register_init(init_func)
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collectd.register_read(read_func)
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collectd.register_shutdown(shutdown_func)
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