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from django.db import models
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from apps.main.models import Configuration
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from apps.main.utils import Params
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from django.core.validators import MinValueValidator, MaxValueValidator
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from .files import read_json_file
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import requests
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# Create your models here. validators=[MinValueValidator(62.5e6), MaxValueValidator(450e6)]
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class ATRADConfiguration(Configuration):
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topic = models.PositiveIntegerField(verbose_name='Topic',validators=[MaxValueValidator(10)], default = 0)
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def verify_frequencies(self):
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return True
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def status_device(self):
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ip=self.device.ip_address
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port=self.device.port_address
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route = "http://" + str(ip) + ":" + str(port) + "/status/"
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try:
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r = requests.get(route, timeout=0.7)
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except Exception as e:
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self.device.status = 0
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self.device.save()
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self.message = 'Could not read TX status: ' + str(e)
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return False
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response = r.json()
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self.device.status = response['status']
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self.message = response['message']
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self.device.save()
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if response['components_status']==0:
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return False
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return True
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def start_device(self):
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ip=self.device.ip_address
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port=self.device.port_address
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#---Device must be configured
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if not self.device.status == 2:
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self.message = 'TX Device must be configured.'
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return False
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#---Frequencies from form
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post_data = self.parms_to_dict()
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route = "http://" + str(ip) + ":" + str(port) + "/write/"
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try:
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r = requests.post(route, post_data, timeout=0.7)
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except Exception as e:
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self.message = "Could not start TX device. "+str(e)
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return False
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response = r.json()
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if response['status']==1:
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self.device.status = 1
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self.device.save()
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self.message = response['message']
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return False
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self.device.status = response['status']
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self.device.save()
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self.message = response['message']
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return True
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def stop_device(self):
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ip=self.device.ip_address
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port=self.device.port_address
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if self.device.status == 2: #Configured
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self.message = 'TX device is already stopped.'
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return False
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post_data = {"topic":0}
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route = "http://" + str(ip) + ":" + str(port) + "/write/"
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try:
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r = requests.post(route, post_data, timeout=0.7)
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except Exception as e:
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self.message = "Could not write TX parameters. "+str(e)
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self.device.status = 0
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self.device.save()
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return False
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response = r.json()
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status = response['status']
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if status == 1:
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self.device.status = status
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self.device.save()
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self.message = 'Could not stop TX device.'
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return False
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self.message = 'TX device has been stopped successfully.'
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self.device.status = 2
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self.device.save()
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return True
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def read_device(self):
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ip=self.device.ip_address
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port=self.device.port_address
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route = "http://" + str(ip) + ":" + str(port) + "/read/"
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try:
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frequencies = requests.get(route,timeout=0.7)
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except:
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self.message = "Could not read TX parameters from this device"
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return None
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frequencies = frequencies.json()
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if frequencies:
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frequencies = frequencies.get("Frequencies")
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topic = frequencies.get("topic")
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parms = {'topic': topic}
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self.message = "TX parameters have been successfully read"
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return parms
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else:
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self.message = "Error reading TX parameters"
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return None
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def write_device(self):
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ip=self.device.ip_address
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port=self.device.port_address
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#---Frequencies from form
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parms = self.parms_to_dict()['configurations']
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for parm in parms['allIds']:
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byid = parm
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frequencies = parms['byId'][byid]
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post_data = {}
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for data in frequencies:
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if data in ['topic']:
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post_data[data] = frequencies[data]
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route = "http://" + str(ip) + ":" + str(port) + "/write/"
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print (post_data)
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try:
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r = requests.post(route, post_data, timeout=0.7)
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except:
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self.message = "Could not write TX parameters"
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self.device.status = 0
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self.device.save()
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return False
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response = r.json()
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self.message = response['message']
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self.device.status = response['status']
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self.device.save()
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if self.device.status==1:
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return False
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return True
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class Meta:
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db_table = 'atrad_configurations'
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