xumu_iotdb/xumu.py

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import re
import time
import json
from typing import Any
import requests
import uvicorn
from fastapi import FastAPI, Request
from pydantic import BaseModel
from config import *
# fastapi
app = FastAPI()
# 统一返回数据
class BaseResponse(BaseModel):
code: int = 200
msg: str = "success"
data: Any = None
# 监控视频接口
@app.get("/api/xumu/video")
async def video_query(username):
return BaseResponse(data=get_video_url(username))
@app.get("/api/xumu/device/online")
async def device_online_query(iccid, deviceId):
try:
sql = "select * from root.farm.clientId where time >= 0"
# 检查iccid是否有值如果有添加到SQL语句中
if iccid:
sql += f" and iccid = '{iccid}'"
# 检查deviceId是否有值如果有添加到SQL语句中
if deviceId:
sql += f" and deviceId = '{deviceId}'"
send_json = {
"sql": sql
}
r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
return BaseResponse(data=r.json())
except Exception as e:
return BaseResponse(code=500, msg=str(e))
# 数据查询接口
@app.get("/api/xumu/data/query")
async def data_query(deviceId):
try:
if deviceId is None or deviceId == "" or len(deviceId) != 4:
return BaseResponse(code=500, msg="参数错误")
sql = f"select last * from root.farm.{deviceId}"
send_json = {
"sql": sql
}
r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
return BaseResponse(data=r.json())
except Exception as e:
return BaseResponse(code=500, msg=str(e))
async def rfid_last_query(rfid, deviceId):
try:
if deviceId is None or deviceId == "" or len(deviceId) != 4:
return BaseResponse(code=500, msg="参数错误")
sql = f"select * from root.farm.{deviceId} where RFID='{rfid}' order by time desc limit 1"
send_json = {
"sql": sql
}
r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
return BaseResponse(data=r.json())
except Exception as e:
return BaseResponse(code=500, msg=str(e))
# 原生查询接口
@app.post("/api/xumu/rest/v2/query")
async def rest_query(request: Request):
data = await request.json()
r = requests.post(baseHost + queryUri, headers=headers, json=data)
return BaseResponse(data=r.json())
# RFID查询接口
@app.get("/api/xumu/rfid/query")
async def rfid_query(rfid):
try:
sql = f"select deviceId from root.rfid where rfid='{rfid}'"
send_json = {
"sql": sql
}
r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
if r.status_code != 200:
return BaseResponse(data=r.json(), code=404, msg="404")
r = r.json()
values = r["values"]
if len(values) == 0:
return BaseResponse(msg="No Such RFID", code=500)
deviceId = values[0][0]
return await rfid_last_query(rfid, deviceId)
except Exception as e:
return BaseResponse(code=500, msg=str(e))
async def has_rfid(rfid):
try:
sql = f"select deviceId from root.rfid where rfid='{rfid}'"
send_json = {
"sql": sql
}
r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
if r.status_code != 200:
return BaseResponse(data=r.json(), code=404, msg="404")
r = r.json()
values = r["values"]
if len(values) == 0:
return BaseResponse(msg="No Such RFID", code=500)
return BaseResponse(data=r)
except Exception as e:
return BaseResponse(code=500, msg=str(e))
# 设备查询接口
@app.get("/api/xumu/device/query")
async def get_device(iccid, deviceId):
try:
sql = "SELECT * FROM root.device where time>=0"
# 检查iccid是否有值如果有添加到SQL语句中
if iccid:
sql += f" and iccid = '{iccid}'"
# 检查deviceId是否有值如果有添加到SQL语句中
if deviceId:
sql += f" and deviceId = '{deviceId}'"
send_json = {
"sql": sql
}
r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
return BaseResponse(data=r.json())
except Exception as e:
return BaseResponse(code=500, msg=str(e))
# 设备注册接口
@app.post("/api/xumu/device/register")
async def register(request: Request):
try:
data = await request.body()
data = data.decode("utf-8")
data = json.loads(data)
clientid = data["clientid"]
payload = data["payload"]
receive_len = len(payload)
payload = json.loads(payload)
send_len = payload["l"]
if receive_len != send_len:
return BaseResponse(code=301, msg=f"data valid error, receive_len:{receive_len}")
deviceId = payload["d"]
iccid = payload["cid"]
type = payload["t"]
# 该设备是否已经创建
a_device = await get_device(iccid, deviceId)
if a_device.code == 200:
v = a_device.data["values"]
if len(v) != 0:
return BaseResponse(code=302, msg="该设备已经注册过了")
# 创建该设备
send_json = {
"sql": f"insert into root.device(iccid, deviceId, type) values('{iccid}', '{deviceId}', {type})"
}
res = []
r = requests.post(baseHost + nonQueryUri, headers=headers, json=send_json)
res.append(r.json())
# 插入设备状态表
send_json = {
"sql": f"insert into root.farm.clientId(iccid, clientId, is_online, deviceId) values('{iccid}','{clientid}', True, '{deviceId}')"
}
r = requests.post(baseHost + nonQueryUri, headers=headers, json=send_json)
res.append(r.json())
# 创建相应的数据库和字段
sql_list = get_sql(deviceId, type)
for sql in sql_list:
send_json = {
"sql": sql
}
r = requests.post(baseHost + nonQueryUri, headers=headers, json=send_json)
res.append(r.json())
return BaseResponse(data=res)
except Exception as e:
return BaseResponse(code=500, msg=str(e))
async def message_publish(data):
try:
payload = data["payload"].strip()
receive_len = len(payload)
payload = json.loads(payload)
send_len = payload["l"]
if receive_len != send_len:
return BaseResponse(code=301, msg=f"data valid error,receive_len:{receive_len}")
m = payload["m"]
v = payload["v"]
t = payload["t"]
deviceId = v[0]
m.append("t")
v.append(t)
res = []
# 判断t是否为00则代表是RFID设备需要做一个映射
if t == 0:
rfid = v[1]
r = await has_rfid(rfid)
if r.code != 200:
sql_list = rfid_deviceId(rfid, deviceId)
sql = sql_list[0]
send_json = {
"sql": sql
}
r = requests.post(baseHost + nonQueryUri, headers=headers, json=send_json)
if r.status_code == 200:
r = r.json()
if r["code"] != 200:
return BaseResponse(code=500, msg="RFID创建映射失败", data=r)
res.append(r)
send_json = {
"devices": ["root.farm." + deviceId],
"timestamps": [int(time.time() * 1000)],
"measurements_list": [m],
"data_types_list": [dataTypes[t]],
"values_list": [v],
"is_aligned": False
}
r = requests.post(baseHost + insertUri, headers=headers, json=send_json)
r = r.json()
res.append(r)
return BaseResponse(data=res)
except Exception as e:
return BaseResponse(code=500, msg=str(e))
# 改变设备状态接口
async def client_change_status(clientid, status):
try:
sql_query = f"select timestamp from root.farm.clientId where clientId='{clientid}'"
r = requests.post(baseHost + queryUri, headers=headers, json={"sql": sql_query})
if r.status_code == 200:
r = r.json()
values = r["timestamps"]
if len(values) > 0:
timestamp = values[0]
sql_update_list = get_client_change_status_sql(timestamp, status)
sql_update = sql_update_list[0]
r = requests.post(baseHost + nonQueryUri, headers=headers, json={"sql": sql_update})
return BaseResponse(data=r.json())
except Exception as e:
return BaseResponse(code=500, msg=str(e))
@app.post("/api/xumu/data/collect")
async def process_data(request: Request):
try:
data = await request.body()
data = data.decode("utf-8")
data = json.loads(data)
event = data["event"]
clientid = data["clientid"]
# print(clientid + "======" + event)
pattern = r'^f\d{1,10}$'
amatch1 = re.match(pattern, clientid)
# 如果两个都不满足,那就错误
if not amatch1:
return BaseResponse(code=200, msg="error")
# 连接成功处理
if event == "client.connected":
return await client_change_status(clientid, True)
# 断开连接处理
elif event == "client.disconnected":
return await client_change_status(clientid, False)
# 消息体处理
elif event == "message.publish":
return await message_publish(data)
return BaseResponse()
except Exception as e:
return BaseResponse(code=500, msg=str(e))
if __name__ == '__main__':
uvicorn.run(app, host="0.0.0.0", port=8002)