85 lines
2.3 KiB
Python
85 lines
2.3 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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try:
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from tinkerforge.ip_connection import IPConnection
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except ImportError:
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print("package 'tinkerforge' not installed, canceling")
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raise
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import os.path
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import os
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import time
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from Logger import Logger
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from Setup import Setup
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from settings import SensorType
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import settings
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def check_dirs_and_files():
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# log
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if not os.path.exists(settings.logs):
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os.mkdir(settings.logs, 0000755)
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if not os.path.exists(settings.logname):
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open(settings.logname, 'w').close()
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if not os.path.exists(settings.exceptionlog):
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file=open(settings.exceptionlog, 'w')
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file.write("<exceptions></exceptions>")
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file.close()
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# lock
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if not os.path.exists(settings.locks):
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os.mkdir(settings.locks, 0000755)
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# records
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if not os.path.exists(settings.records):
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os.mkdir(settings.records, 0000755)
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def obtainLock(lockfile = settings.lockname):
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if not os.path.exists(lockfile):
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lock=open(lockfile,'w')
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lock.write(str(time.time()))
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lock.close()
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return True
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return False
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def freeLock(lockfile = settings.lockname):
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if os.path.exists(lockfile):
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os.remove(lockfile)
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def disconnect(connection):
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if not connection.get_connection_state() is IPConnection.CONNECTION_STATE_DISCONNECTED:
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connection.disconnect()
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if __name__ == "__main__":
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check_dirs_and_files()
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log=open(settings.logname,'a')
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try:
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while True:
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if obtainLock():
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logger=Logger(log, )
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try:
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ipcon = IPConnection()
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# connect
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ipcon.connect(settings.HOST, settings.PORT)
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log.write('start logging "all" ... @'+time.ctime()+"\n")
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log.flush()
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setup = Setup(ipcon, settings.SENSORS, settings.TIMES, logger.cb_generic)
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connected = setup.setupSensors()
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raw_input('Press key to restart\n')
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disconnect(ipcon)
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log.write('stop logging... @'+time.ctime()+"\n")
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except Exception as inst:
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#connection failed, log and exit
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logger.printException(inst)
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print(inst)
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freeLock()
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else:
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print('lock file active!!')
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log.write('lock collision: lock "all" active @ '+time.ctime()+"\n")
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print("wait for retry ("+str(settings.waitDelay)+")")
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time.sleep(settings.waitDelay)
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except KeyboardInterrupt:
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print("Interrupted, cleaning up")
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disconnect(ipcon)
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log.write("keyboard-interrupt happened @"+time.ctime()+"\n")
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freeLock()
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