def try_handler(self, service_name, data):
ret = dl.send_service(service_name, data, need_resp=True)
if ret['status'] != 'ok':
if self.try_count:
t = threading.Timer(5,
self.try_handler,
args=(service_name, data))
t.start()
self.try_count = self.try_count - 1
else:
LOG.error('%s service lost connection', service_name)
def post(self, cmd):
body = self.request.body.decode('utf-8')
body = json.loads(body)
src = "local" if body['from'] == 'local' else 'remote'
radio_number = body.get('radio_number')
if cmd == 'update':
LOG.info('%s setup radio parameters', src)
data = {"cmd": "update", "radio": radio_number}
elif cmd == 'restart':
LOG.info('%s restart radio', src)
data = {"cmd": "restart", "radio": radio_number}
ret = dl.send_service("serial", data, need_resp=True) # 向串口发送消息
if ret['status'] != 'ok':
gw.set_try_data('serial', data)
def try_handler(self, service_name, data):
ret = dl.send_service(service_name, data, need_resp=True)
if ret['status'] != 'ok':
t = threading.Timer(5, self.try_handler, args=(service_name, data))
t.start()
def func(self, request):
try:
send_data = dict()
upload_data = None
device_id = request['device_id']
firmware = request.get('firmware', None)
data_id = request.get('data_id', "0")
interval = request.get('interval', None)
if firmware:
# 注册上报
LOG.info("%s register", device_id)
upload_data = {
"d": [{
"nid": device_id,
"d": {
"firmware": firmware
}
}]
}
topic = 'dma/report/periph/reg'
elif data_id:
# 心跳上报
# 准备上报数据
upload_data = {
"d": [{
"nid": device_id,
"d": {
"image_data_id": int(data_id),
"interval": request['interval'],
"battery": request['battery']
}
}]
}
topic = 'dma/report/periph'
ts = gw.get_task_status()
LOG.info("task status: %s", ts)
if ts in ('0', '4', '5'): # 没有任务或任务已结束
data = {
'nid': device_id,
'image_data_id': int(data_id),
# 'image_data_id': int(gw.get_data_id()),
'sn': gw.get_gw_id()
}
LOG.info("start query")
host, port = gw.get_server_url()
resp = self.query_task(
'http://{}/iotgw/api/v1/tasks/gwtasks/assign'.format(
host), data)
LOG.info("get response")
if resp:
# 应答成功，保存任务状态，下发时间，下载任务
if resp['status'] != 'ok':
raise Exception("get task error")
data = resp['data']
ret = gw.create_task(data['task_id'], data['image_data_id'], data['image_data_url'], \
data['image_data_md5'], data['iot_dev_list_md5'], data['iot_dev_list_url'], \
data['scheduled_start_time'], data['scheduled_end_time'])
if ret:
start_time, end_time = gw.get_task_time()
send_data['task_id'] = gw.get_task_id()
send_data['data_id'] = gw.get_data_id()
send_data['start_time'] = start_time
send_data['end_time'] = end_time
# 向serial发送任务开始命令
task_start = {
"cmd": "task",
"method": "create",
"task_id": send_data['task_id'],
"data_id": int(send_data['data_id']),
"start_time": send_data['start_time'],
"end_time": send_data['end_time']
}
ret = dl.send_service('serial',
task_start,
need_resp=True)
if ret['status'] != 'ok':
gw.set_try_data('serial', task_start)
# 添加待执行表
gw.create_pending_list()
gw.add_pending_list(device_id)
else:
# 创建失败上报
pass
else:
raise Exception("server no response")
elif ts in ('1', '2'):
ret = gw.is_in_executelist(device_id, data_id)
if ret:
start_time, end_time = gw.get_task_time()
send_data['task_id'] = gw.get_task_id()
send_data['data_id'] = int(gw.get_data_id())
send_data['start_time'] = start_time
send_data['end_time'] = end_time
gw.add_pending_list(device_id)
else:
# 其他情况处理
pass
# 更新唤醒周期
send_data['status'] = 'ok'
interval_time = gw.get_interval_time()
if interval_time != request['interval']:
send_data['interval'] = interval_time
else:
raise Exception("request param invalid")
except Exception as e:
send_data['status'] = 'error'
LOG.error(e.__repr__())
finally:
if upload_data:
self.upload(topic, upload_data)
return send_data
def post(self, cmd):
try:
request = self.request.body.decode('utf-8')
request = json.loads(request)
body = request['d']
if cmd == 'create':
pass
# ret = gw.create_task(body['task_id'], body['image_data_id'], body['image_data_url'], \
# body['image_data_md5'], body['iot_dev_list_md5'], body['iot_dev_list_url'], \
# body['start_time'], body['end_time'])
# if ret:
# data = {
# "cmd":"task",
# "method":"create",
# "task_id":body['task_id'],
# "data_id":body['image_data_id'],
# "start_time":body['start_time'],
# "end_time":body['end_time']
# }
# ret = dl.send_service('serial', data, need_resp=True)
# if ret['status'] != 'ok':
# gw.set_try_data('serial', data)
# # raise HTTPError(200)
# status = 'ok'
# msg = "task_id %s create success" % body['task_id']
# else:
# # 不可创建任务
# LOG.info("task could not create")
# status = 'failed'
# msg = "task_id %s create not allowed" % body['task_id']
# # 上传命令处理结果
# upload = uplink.Upload()
# resp = {
# "id": request['id'],
# "from": request['from'],
# "status": status,
# "command": request['command'],
# "d":{
# "code":"task_status",
# "msg":msg
# }
# }
# # gw.get_task_status()
# upload.send(resp, topic='dma/cmd/resp')
elif cmd == 'cancel':
# cancel task
data = {
"cmd": "task",
"method": "cancel",
"task_id": body['task_id']
}
ret = dl.send_service('serial', data, need_resp=True)
if ret['status'] != 'ok': # 向模块发出取消命令
gw.set_try_data('serial', data)
ret = gw.cancel_task(body['task_id'])
if ret:
status = 'ok'
result = {'result': 'ok'}
try:
os.unlink("/tmp/success")
os.unlink("/tmp/fail")
except:
pass
else:
status = 'err'
result = {'code': 'cancel_failed', 'msg': 'task not found'}
# 上传处理结果
upload = uplink.Upload()
resp = {
"id": request['id'],
"from": request['from'],
"status": status,
"command": request['command'],
"msg": result
}
upload_data = {'topic': 'dma/cmd/resp', 'payload': resp}
upload.send('http://127.0.0.1:7788/mqtt/publish/offlinecache',
upload_data)
elif cmd == 'confirm':
pass
# confirm task
# data = {
# "table_name":"sql",
# "sql_cmd":"update `task` set (`start_time`='%s', `end_time`='%s', `status`=2) where `task_id`='%s';" % \
# (body['start_time'], body['end_time'], body['task_id'])
# }
# dl.send_service('database', data)
else:
raise HTTPError(404)
except Exception as e:
self.write(e.__str__())
LOG.error("%s" % e.__str__())
def post(self, cmd):
try:
request = self.request.body.decode('utf-8')
request = json.loads(request)
body = request['d']
if cmd == 'create':
ret = gw.create_task(body['task_id'], body['image_data_id'], body['image_data_url'], \
body['image_data_md5'], body['iot_dev_list_md5'], body['iot_dev_list_url'], \
body['start_time'], body['end_time'])
if ret:
data = {
"cmd": "task",
"method": "create",
"task_id": body['task_id'],
"data_id": body['image_data_id'],
"start_time": body['start_time'],
"end_time": body['end_time']
}
ret = dl.send_service('serial', data, need_resp=True)
if ret['status'] != 'ok':
gw.set_try_data('serial', data)
# raise HTTPError(200)
status = 'ok'
msg = "task_id %s create success" % body['task_id']
else:
# 不可创建任务
LOG.info("task could not create")
status = 'failed'
msg = "task_id %s create not allowed" % body['task_id']
# 上传命令处理结果
upload = uplink.Upload()
resp = {
"id": request['id'],
"from": request['from'],
"status": status,
"command": request['command'],
"d": {
"code": "task_status",
"msg": msg
}
}
# gw.get_task_status()
upload.send(resp, topic='dma/cmd/resp')
elif cmd == 'cancel':
# cancel task
data = {
"cmd": "task",
"method": "cancel",
"task_id": body['task_id']
}
ret = dl.send_service('serial', data, need_resp=True)
if ret['status'] != 'ok': # 向模块发出取消命令
gw.set_try_data('serial', data)
ret = gw.cancel_task(body['task_id'])
if ret:
status = 'ok'
result = {'result': 'ok'}
else:
status = 'err'
result = {'code': 'cancel_failed', 'msg': 'task not found'}
# 上传处理结果
upload = uplink.Upload()
resp = {
"id": request['id'],
"from": request['from'],
"status": status,
"command": request['command'],
"d": result
}
upload.send(resp, topic='dma/cmd/resp')
elif cmd == 'confirm':
# confirm task
data = {
"table_name":"sql",
"sql_cmd":"update `task` set (`start_time`='%s', `end_time`='%s', `status`=2) where `task_id`='%s';" % \
(body['start_time'], body['end_time'], body['task_id'])
}
dl.send_service('database', data)
else:
raise HTTPError(404)
except Exception as e:
self.write(e.__str__())
LOG.error("%s" % e.__str__())