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Freeboard.py
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Freeboard.py
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# -*- coding: utf-8 -*-
"""
Created on Thu Aug 15 23:24:09 2019
"""
import cherrypy
import time
import json
import threading
import requests
import os
class Values(object):
def __init__(self,cat_url="http://192.168.1.88:8900"):
try:
f = open('config','r')
j_data = json.load(f)
self.cat_url = j_data['cat_url']
f.close()
except IOError:
self.cat_url =cat_url
print("Warning! No config file found")
self.name="Freeboard"
self.bag_id = -1
self.thing_ch = ""
self.thing_api_r = ""
def setVals(self,JSObject):
self.bag_id = JSObject['bag_id']
self.thing_ch = JSObject['thing_ch']
self.thing_api_r = JSObject['thing_api_r']
class FreeBoard(object):
exposed = True
values = Values()
with open('dash.json','r') as file:
dashboard = json.load(file)
def GET(self,*uri,**params):
if(len(uri)> 0 and uri[0].upper() == "FREEBOARD"):
if( "BID" in params.keys()):
self.values.bag_id = params.get("BID")
print(self.values.cat_url+"/bag/"+str(self.values.bag_id))
bag_data=requests.get(self.values.cat_url+"/bag/"+str(self.values.bag_id))
print(bag_data.text)
if(bag_data.text =='"No bag found"'):
return "Please, check the bag id.\nNo such bag exists"
self.values.setVals(bag_data.json())
channel = self.values.thing_ch
thing_api_r = self.values.thing_api_r
print(channel,thing_api_r)
self.dashboard['datasources'][0]['settings']['url'] = \
'https://api.thingspeak.com/channels/'+str(channel)+'/fields/1/last.json?api_key='+thing_api_r
self.dashboard['datasources'][1]['settings']['url'] = \
'https://api.thingspeak.com/channels/'+str(channel)+'/fields/2/last.json?api_key='+thing_api_r
with open('./dashboard/dashboard.json','w') as jsonFile:
json.dump(self.dashboard,jsonFile)
with open('index.html','r') as file:
ret = file.read()
return ret
elif("UID" in params.keys() and len(uri) >1 and uri[1].upper() == "USER"):
user_id = params.get("UID")
user_data = requests.get(self.values.cat_url+"/user/"+str(user_id))
if(user_data.text == '"False"'):
return "Please check the user id.\nNo user exists with such user id"
user_data = user_data.json()
name = user_data.get("name")
bags = user_data.get("bag_id")
html_String = "<!DOCTYPE html><html><head><title>Settings for "+name+"</title></head><body>\
<p> Following are your bags: </b>"
for bag in bags:
html_String += "<br> <a href=/freeboard?BID="+str(bag)+">Bag "+str(bag)+"</a> </br>"
html_String+="</body></html>"
return html_String
else:
raise cherrypy.HTTPError(440, message = "Invalid parameters")
else:
raise cherrypy.HTTPError(440, message = "Please specify user or bag id")
class DevRegister(threading.Thread):
def __init__(self,threadID,threadName):
threading.Thread.__init__(self)
self.threadID = threadID
self.threadName = threadName
self.values = Values()
def run(self):
self.starting = True
while self.starting:
body = {"ID":self.values.name,"bag_id":self.values.bag_id}
resp = requests.post(self.values.cat_url+"/dev/",data=json.dumps(body))
print(resp.text)
time.sleep(60)
def stop(self):
self.starting = False
print(self.threadName+" ended")
class ServerThread(threading.Thread):
def __init__(self,ThreadID,name):
threading.Thread.__init__(self)
self.ThreadID = ThreadID
self.name = self.name
try:
with open('freeboard_config','r') as file:
vals = json.load(file)
self.hostname = vals['free_IP']
self.port = vals['free_port']
except:
print("WARNING! Freeboard config file not present")
self.hostname ="127.0.0.1"
self.port = 9999
def run(self):
conf= {'/': {'request.dispatch': cherrypy.dispatch.MethodDispatcher(),\
'tools.sessions.on': True,\
'tools.staticdir.root': os.path.abspath(os.getcwd()),\
'tools.staticdir.on': True,\
'tools.staticdir.dir': './'}
}
cherrypy.tree.mount(FreeBoard(), '/',conf)
cherrypy.config.update({'server.socket_host': self.hostname})
cherrypy.config.update({'server.socket_port': self.port})
cherrypy.engine.start()
cherrypy.engine.block()
def stop(self):
print ("Stopping the engine")
cherrypy.engine.exit()
return
if __name__=="__main__":
first = ServerThread(500,"FreeboardServer")
register = DevRegister(510,"Freeboard")
first.start()
register.start()
try:
while True:
pass
except KeyboardInterrupt:
first.stop()
register.stop()