def post(self):
group_name = request.json.get('group_name')
group_id = request.json.get('group_id')
group_eui = request.json.get('group_eui')
if not group_name:
abort(422)
def group_eui_productor():
import random
s = ''
for i in range(4):
s += chr(random.randint(0, 255))
return s.encode('hex').upper()
def on_add_group(data):
pass
# group_eui = group_eui_productor()
# socketio_cli = MSocketIO(LORA_HOST, LORA_PORT, EventNameSpace, params={'app_eui': APP_EUI, 'token': TOKEN})
#
# event_space = socketio_cli.define(EventNameSpace, path=NAMESPACE)
# event_space.emit('add_group', {'name': group_name, 'group_addr': group_eui, 'nwkskey': '2B7E151628AED2A6ABF7158809CF4F3C',
# 'appskey': '2B7E151628AED2A6ABF7158809CF4F3C'})
# socketio_cli.wait(3)
group = Group(group_name, group_id, group_eui)
# todo 添加到LoRaWan服务器，带回group_id
db.session.add(group)
db.session.commit()
return group
def delete(self, id):
group = Group.get(id)
if group:
try:
group.remove()
return jsonify({'success': u'删除成功'})
except IntegrityError, e:
response = jsonify({'error': u'删除失败'})
response.status_code = 422
def put(self, id):
group_name = request.json.get('group_name')
group = Group.get(id)
if not group:
abort(404)
group.group_name = group_name
# todo: 添加组到LoRa服务器
# group_eui = None
group.save()
return group
def get(self):
groups = Group.get_groups()
# if not routes:
# abort(404)
return groups
def put(self, group_id):
# socketio_cli = MSocketIO(LORA_HOST, LORA_PORT, EventNameSpace, params={'app_eui': APP_EUI, 'token': TOKEN})
#
# event_space = socketio_cli.define(EventNameSpace, path=NAMESPACE)
group = Group.get(group_id)
members = loads(request.data)
delete = []
add = []
failed_rm_euis = []
failed_add_euis = []
def on_rm_dev_from_group(data):
if data['success'] == 0:
dev_eui = data['dev_eui']
failed_rm_euis.append(dev_eui)
def on_add_dev_into_group(data):
if data['success'] == 0:
dev_eui = data['dev_eui']
failed_add_euis.append(dev_eui)
event_space.on('rm_dev_from_group', on_rm_dev_from_group)
event_space.on('add_dev_into_group', on_add_dev_into_group)
if group.group_id:
original_members = group.buses
for bus in original_members:
if bus.id not in [mem['bus_id'] for mem in members]:
delete.append(bus.id)
for m in members:
if m['bus_id'] not in [ori.id for ori in original_members]:
add.append(m['bus_id'])
# delete members
delete_buses = []
for d in delete:
bus = Bus.get(d)
if bus:
delete_buses.append(bus)
# add members
add_buses = []
for a in add:
bus = Bus.get(a)
if bus:
add_buses.append(bus)
for bus in delete_buses:
event_space.emit('rm_dev_from_group', {'group_id': group.group_id, 'cmd': 'rm_dev_from_group',
'dev_eui': bus.eui})
for bus in add_buses:
event_space.emit('add_dev_into_group', {'group_id': group.group_id, 'cmd': 'add_dev_into_group',
'dev_eui': bus.eui})
# 等待socketio的操作结果
socketio_cli.wait(3)
# 写入数据库
for bus in delete_buses:
if bus.eui not in failed_rm_euis:
bus.group_id = None
db.session.add(bus)
for bus in add_buses:
if bus.eui.upper() not in failed_add_euis:
bus.group_id = group.id
db.session.add(bus)
db.session.commit()
error_message = ''
if failed_add_euis + failed_rm_euis:
error_message = ', '.join(failed_add_euis + failed_rm_euis) + ' 操作失败'
socketio_cli.disconnect()
return {'error_message': error_message}, 201
socketio_cli.disconnect()
return {'error_message': '组不存在'}, 422
