Blame view
220222_final/GW/python/gat.py
5.25 KB
35833671e
version finale st...
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 |
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Do not execute directly.
Please execute gateway_http_uplink.py
Created on Mon Oct 19 2021
@author: ALKADRI Mohammad
"""
from gateway_http_downlink import Downlink
from Endpoint import Endpoint
import time
from datetime import datetime
import os
import json
import base64
import numpy as np
import threading
import socket
import struct
sema=threading.Semaphore(value=0)
sema2=threading.Semaphore(value=0)
APIKey = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhcGlfa2V5X2lkIjoiYzA2ZGY1MDMtNjE5Zi00ZjI2LTgxNzEtYTU0OTRmMWJmYmRmIiwiYXVkIjoiYXMiLCJpc3MiOiJhcyIsIm5iZiI6MTYyMjY1MzMzMSwic3ViIjoiYXBpX2tleSJ9.23eLyvgd5zheP9hDM0acCAl9ojhQjLTZAU77IKqhvQY'
server = 'localhost:8080'
#just defining an instance to be used
downlink = Downlink(server, APIKey)
directory = '/home/pi/python/'
def WriteFile(body, event):
filename = directory + "log/" + \
time.strftime("%Y_%m_%d_%H-%M-%S") + '_' + event
# in case of unexisting folder 'log'
if not os.path.exists(directory + 'log'):
os.mkdir(directory + 'log')
# in case of already existing file :
if os.path.exists(filename + ".json"):
i = 2
while(os.path.exists(filename + '_' + str(i) + ".json")):
i += 1
path = filename + '_' + str(i) + ".json"
else:
path = filename + ".json"
f = open(path, "a")
f.write(body.decode("utf-8"))
f.close()
print("file written : %s" % path)
def step0(endpoint):
downlink.FlushQueue(endpoint.EUI)
downlink.Lorasend(endpoint.EUI, b'\x46')
print("State: The data sent by Gateway")
#sema2.release() #threading.Thread(target=thread_server, args=()).start()
def step1(endpoint):
global TT
#global c
#threading.Thread(target=thread_Tgw, args=()).start()
sema.acquire(1)
#if TT == 5555:
# c=1
#threading.Thread(target=thread_Tgw, args=()).start()
#print ("T : %s" %TT)
print ("T : %s" % struct.pack('dd',TT[0],TT[1]))# TT.to_bytes(8, 'big'))
downlink.FlushQueue(endpoint.EUI)
# send all data
downlink.Lorasend(endpoint.EUI, struct.pack('dd',TT[0],TT[1]))#TT.to_bytes(8, 'big'))
def reset(endpoint):
downlink.FlushQueue(endpoint.EUI)
downlink.Lorasend(endpoint.EUI, b'\x55') #initialisation packet
print("enpoint reset : %s" % endpoint.EUI)
def postcompute(event, body, Tn):
global data
print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
json_ = json.loads(body)
endpoint = Endpoint()
endpoint.EUIfromjson(json_)
print("request from :
EUI : %s" % endpoint.EUI)
print("name : %s" % json_['deviceName'])
# write json in a file
WriteFile(body, event)
print("event : %s " % event)
print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
#treat all cases
if event == 'up':
#b64 to bytes
data = base64.b64decode(json_["data"])
#bytes to integer
#integer = int.from_bytes(data, 'big')
print("data received from Endpoint : ")
print("base 64 : %s" % json_["data"])
print("bytes : %s" % data)
#print("int : %s" % integer)
print()
print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
data = int.from_bytes(data, 'big')
print("data : %s" % data)
if data == 0x5374617274 : # 0x5374617274 : Start
sema2.release()
global c
c=1
if data == 0x54696D6573: # 0x54696D6573 : Times
threading.Thread(target=thread_Tgw, args=()).start()
#step0(endpoint)
elif event == 'txack':
print("data : %s" % data)
if data == 0x5374617274 : # 0x5374617274 : Start
step0(endpoint)
elif data == 0x54696D6573: # 0x54696D6573 : Times
step1(endpoint)
else:
print("error : uncovered State")
reset(endpoint)
elif event == 'error':
print('error : ' + json_["error"])
else:
#step1(endpoint)
print("possible error : uncovered event")
print(body)
reset(endpoint)
print()
def thread_Tgw():
global c
global TT
TT = [5555,5555]
while(c):
#global TT
sock_T=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
sock_T.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
sock_T.connect(('127.0.0.1',2222))
TT=sock_T.recv(64)
print(TT)
#TT=int.from_bytes(TT, 'little')
TT=struct.unpack('dd',TT)
#sema.release()
c=0
sock_T.close()
sema.release()
def thread_server():
a=1
while(1):
#global TT
sock=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
sock.bind(('127.0.0.1',4242))
sock.listen(1)
conn,addr=sock.accept()
with conn:
data='q'
sema2.acquire(1)
conn.send(data.encode('ascii'))
a=0
sock.close()
threading.Thread(target=thread_server, args=()).start()
c=1
print("Chirpstack server for downlink : %s" % downlink.server)
|