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WIP Mqtt_to_Http : 3DPrinterMessages DONE !

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ThomasFransolet 2019-04-14 23:07:57 +02:00
parent 06ce2e6f82
commit 3a5f526b49
1 changed files with 77 additions and 22 deletions
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99
RPI Code/Mqtt_To_Http/mqtt_to_http.py
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@ -4,7 +4,9 @@ import signal
import time
import json
import paho.mqtt.client as mqtt
import datetime
# Init variables
broker="localhost"
#username="oilkfgjy"
#password="lEyZb90q49Rf"
@ -14,36 +16,79 @@ API_ENDPOINT = 'http://192.168.0.17:3000/api/iot/0'
delay = 5000
mqttc = mqtt.Client('Mqtt_To_Http_Interceptor')
#mqttc.username_pw_set(username, password)
bufferJsonPrinter = []
headersVar = {}
mqttc.connect(broker, 1883)
TOKEN_URL = 'http://192.168.0.17:3000/api/token?username=Thomas&password=MonsieurMagic'
r = requests.post(TOKEN_URL)
if r.status_code == 200 :
token = r.text
print('we have a token!')
hed = {'Authorization': "Bearer " + token +"f", 'Content-Type': "application/json"}
print(hed)
def getToken():
r = requests.post(TOKEN_URL)
global headersVar
if r.status_code == 200 :
token = r.text
print('we have a token!')
headersVar = {'Authorization': "Bearer " + token, 'Content-Type': "application/json", 'Accept': "application/json"}
print(headersVar)
else :
print("Error in getToken function")
def on_message(mosq, obj, msg):
print(msg.topic)
print("Topic = " + msg.topic)
global bufferJsonPrinter
global headers
if msg.topic == '3DPrinterSensors' :
print(str(msg.payload, "utf-8"))
print(API_ENDPOINT)
msgPayload = str(msg.payload, "utf-8")
print("3DPrinterMessage = PayLoad : " + msgPayload)
# Add increment and test = if data length >= 10, push to DB via Http
# Add Verification on token.. if status code == 401 forbidden then get token and call again the service
validData = False;
try :
msgPayload = '{"Time":"'+ str(datetime.datetime.now()) + '",'+ msgPayload[1:]
bufferJsonPrinter.append(msgPayload)
#print("bufferJsonPrinter= " + bufferJsonPrinter["result"])
#item_dict = json.loads(bufferJsonPrinter)
#print("BufferJsonPrinter= " + json.dumps(bufferJsonPrinter))
print("3DPrinterMessage = NumberOfElement already collected : " + str(len(bufferJsonPrinter)))
validData = True;
except Exception as e:
print(e)
print("3DPrinterMessage = Got an error in parsing message")
jsonData = json.dumps([{'Time': '14/04/19', 'Temperature': 26.5, 'Pressure': 1004.3, 'Smoke': 100}])
anotherR = requests.post(API_ENDPOINT,data=jsonData, headers=hed)
print (anotherR.text)
print(anotherR.status_code)
if validData and len(bufferJsonPrinter) == 10:
print("I'm in !")
# Request
#jsonData1 = json.dumps([{'Time': '14/04/19', 'Temperature': 26.5, 'Pressure': 1004.3, 'Smoke': 100},{'Time': '14/04/19', 'Temperature': 26.5, 'Pressure': 1004.3, 'Smoke': 100}])
try:
jsonData = bufferJsonPrinter
#print('jsonData1 : ' + jsonData1)
#print('jsonData : ' + str(jsonData).replace("'",""))
printerRequest = requests.post(API_ENDPOINT,data=str(jsonData).replace("'",""), headers=headersVar)
except Exception as e:
print(e)
print("3DPrinterMessage = error in post request")
while printerRequest.status_code == 401:
getToken()
time.sleep(20)
print("3DPrinterMessage = Forbidden error : Trying to send again the request with new token")
#jsonData = json.dumps([{'Time': '14/04/19', 'Temperature': 26.5, 'Pressure': 1004.3, 'Smoke': 100}])
printerRequest = requests.post(API_ENDPOINT,data=bufferJsonPrinter["result"], headers=headersVar)
if printerRequest.status_code == 404:
print("3DPrinterMessage = The server is unreachable (404)")
if printerRequest.status_code == 400:
print("3DPrinterMessage = Bad request (400)")
elif printerRequest.status_code == 200 or printerRequest.status_code == 201:
print("3DPrinterMessage = I sent the infos ! Everything is ok :) !")
bufferJsonPrinter = []
else:
print(str(printerRequest.status_code))
print("3DPrinterMessage = Unexpected Error : status code")
# Extracting data in json format
#data = r.json()
@ -66,6 +111,16 @@ def on_message(mosq, obj, msg):
else:
print("Unknown topic")
########## MAIN CODE ##########
mqttc = mqtt.Client('Mqtt_To_Http_Interceptor')
#mqttc.username_pw_set(username, password)
mqttc.connect(broker, 1883)
TOKEN_URL = 'http://192.168.0.17:3000/api/token?username=Thomas&password=MonsieurMagic'
getToken()
mqttc.on_message=on_message
#####