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@ -3,6 +3,7 @@
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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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@ -25,6 +26,12 @@ def config_func(cfg):
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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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@ -32,7 +39,19 @@ def config_func(cfg):
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if 'socketname' not in config.keys():
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config['socketname'] = config['address'].replace(':', '')
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instances.append( {'config': config, 'socket': None} )
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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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@ -40,6 +59,14 @@ def read_func():
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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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@ -52,6 +79,13 @@ def read_func():
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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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@ -61,6 +95,8 @@ def read_func():
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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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