beremiz

reset loaded messages counts on new PLC program trasnfer

2017-04-05, Andrey Skvortsov
9298ba0cd70a
reset loaded messages counts on new PLC program trasnfer

This fixes the problem that first message from newer PLC program maybe
lost, if it's issued before first PLC log fetching.

Closes #23
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()