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# Copyright (C) 2020 Konsulko Group
# Author: Edi Feschiyan
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from pyagl.services.base import AGLBaseService, AFBResponse
import asyncio
import json
import os
class CANService(AGLBaseService):
service = 'service-can-low'
parser = AGLBaseService.getparser()
parser.add_argument('--auth', help='Send an authentication request', action='store_true')
parser.add_argument('--write', metavar='JSON', help='Write values to CAN')
parser.add_argument('--list', help='List CAN signals', action='store_true')
def __init__(self, ip, port=None, service='service-can-low-level'):
super().__init__(api='low-can', ip=ip, port=port, service=service)
# more init stuff specific to the new service
async def auth(self):
return await self.request('auth')
async def write(self, values: dict, msgid=None):
return await self.request('write', values, msgid=msgid)
async def get(self, event):
return await self.request('get', {'event': event})
async def list(self):
return await self.request('list')
async def subscribe(self, event):
return await self.request(verb='subscribe', values={'event': event})
async def unsubscribe(self, event):
return await self.request(verb='unsubscribe', values={'event': event})
async def main(loop):
args = CANService.parser.parse_args()
svc = await CANService(args.ipaddr)
sessionid = 0
if args.auth:
sessionid = await svc.auth()
data = await svc.afbresponse()
print(data)
if args.list:
msgid = await svc.list()
data = await svc.afbresponse()
print(data)
if args.write:
values = json.loads(args.write)
msgid = await svc.write(values, msgid=sessionid)
data = await svc.afbresponse()
print(data)
if __name__ == '__main__':
loop = asyncio.get_event_loop()
loop.run_until_complete(main(loop))
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