beremiz

clean PLC log only if there is something to clean

2017-04-05, Andrey Skvortsov
fab1b8da6eba
clean PLC log only if there is something to clean

Otherwise exception happens in Beremiz service.

Traceback (most recent call last):
File "/home/developer/WorkData/PLC/beremiz/beremiz/connectors/PYRO/_init_.py", line 113, in catcher_func
return func(*args, **kwargs)
File "/home/developer/WorkData/PLC/beremiz/beremiz/connectors/PYRO/_init_.py", line 194, in my_local_func
return RemotePLCObjectProxy._getattr_(attrName)(*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/Pyro/core.py", line 381, in _call_
return self._send(self._name, args, kwargs)
File "/usr/lib/python2.7/dist-packages/Pyro/core.py", line 456, in _invokePYRO
return self.adapter.remoteInvocation(name, Pyro.constants.RIF_VarargsAndKeywords, vargs, kargs)
File "/usr/lib/python2.7/dist-packages/Pyro/protocol.py", line 457, in remoteInvocation
return self._remoteInvocation(method, flags, *args)
File "/usr/lib/python2.7/dist-packages/Pyro/protocol.py", line 532, in _remoteInvocation
answer.raiseEx()
File "/usr/lib/python2.7/dist-packages/Pyro/errors.py", line 72, in raiseEx
raise self.excObj
AttributeError: 'PLCObject' object has no attribute '_ResetLogCount'
+--- This exception occured remotely (Pyro) - Remote traceback:
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/Pyro/protocol.py", line 719, in _handleInvocation2
res = obj.Pyro_dyncall(req[1],flags,req[3]) # (method,flags,args)
File "/usr/lib/python2.7/dist-packages/Pyro/core.py", line 108, in Pyro_dyncall
return getattr(self.delegate or self,method) (args,*keywords)
File "/home/developer/WorkData/PLC/beremiz/beremiz/runtime/PLCObject.py", line 101, in ResetLogCount
if self._ResetLogCount is not None:
AttributeError: 'PLCObject' object has no attribute '_ResetLogCount'
+--- End of remote traceback
import gluon.contrib.simplejson as simplejson
import types
import sys
class JSONRPCServiceBase:
def __init__(self):
self.methods={}
def response(self, id, result):
return simplejson.dumps({'version': '1.1', 'id':id,
'result':result, 'error':None})
def error(self, id, code, message):
return simplejson.dumps({'id': id,
'version': '1.1',
'error': {'name': 'JSONRPCError',
'code': code,
'message': message
}
})
def add_method(self, name, method):
self.methods[name] = method
def process(self, data):
data = simplejson.loads(data)
id, method, params = data["id"], data["method"], data["params"]
if method in self.methods:
try:
result =self.methods[method](*params)
return self.response(id, result)
except BaseException:
etype, eval, etb = sys.exc_info()
return self.error(id, 100, '%s: %s' %(etype.__name__, eval))
except:
etype, eval, etb = sys.exc_info()
return self.error(id, 100, 'Exception %s: %s' %(etype, eval))
else:
return self.error(id, 100, 'method "%s" does not exist' % method)
def listmethods(self):
return self.methods.keys()