Running test server

webserver/RangingServer/settings.py

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+"""
+Django settings for RangingServer project.
+
+Generated by 'django-admin startproject' using Django 1.8.4.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/1.8/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/1.8/ref/settings/
+"""
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+import os
+
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/1.8/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = '8zs6@v%htwv%=+1yoy%3vs)2mi7+0$%$yd@(&uo-3=-1lmdy4r'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = (
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'testServer',
+)
+
+MIDDLEWARE_CLASSES = (
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    'django.middleware.security.SecurityMiddleware',
+)
+
+ROOT_URLCONF = 'RangingServer.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'RangingServer.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/1.8/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
+}
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/1.8/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/1.8/howto/static-files/
+
+STATIC_URL = '/static/'

webserver/RangingServer/urls.py

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+"""RangingServer URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/1.8/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
+Including another URLconf
+    1. Add an import:  from blog import urls as blog_urls
+    2. Add a URL to urlpatterns:  url(r'^blog/', include(blog_urls))
+"""
+from django.conf.urls import include, url
+from django.contrib import admin
+
+urlpatterns = [
+	url(r'^testServer/', include('testServer.urls')),
+    url(r'^admin/', include(admin.site.urls)),
+]

webserver/RangingServer/wsgi.py

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+"""
+WSGI config for RangingServer project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/1.8/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "RangingServer.settings")
+
+application = get_wsgi_application()

webserver/manage.py

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+#!/usr/bin/env python
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "RangingServer.settings")
+
+    from django.core.management import execute_from_command_line
+
+    execute_from_command_line(sys.argv)

webserver/testServer/admin.py

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+from django.contrib import admin
+
+# Register your models here.

webserver/testServer/migrations/0001_initial.py

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+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Message',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('targetID', models.IntegerField()),
+                ('anchorID', models.IntegerField()),
+                ('distance', models.IntegerField()),
+            ],
+        ),
+    ]

webserver/testServer/migrations/0002_auto_20160228_2345.py

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+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testServer', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Tag',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('tagID', models.IntegerField()),
+                ('distance', models.FloatField()),
+                ('theta', models.FloatField()),
+                ('B', models.FloatField()),
+                ('r1', models.FloatField()),
+                ('r2', models.FloatField()),
+            ],
+        ),
+        migrations.DeleteModel(
+            name='Message',
+        ),
+    ]

webserver/testServer/migrations/0003_auto_20160229_0031.py

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+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('testServer', '0002_auto_20160228_2345'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='tag',
+            name='id',
+        ),
+        migrations.AlterField(
+            model_name='tag',
+            name='distance',
+            field=models.FloatField(null=True),
+        ),
+        migrations.AlterField(
+            model_name='tag',
+            name='tagID',
+            field=models.IntegerField(serialize=False, primary_key=True),
+        ),
+        migrations.AlterField(
+            model_name='tag',
+            name='theta',
+            field=models.FloatField(null=True),
+        ),
+    ]

webserver/testServer/models.py

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+from django.db import models
+
+class Tag(models.Model):
+	tagID = models.IntegerField(primary_key=True)
+	distance = models.FloatField(null=True)
+	theta = models.FloatField(null=True)
+	B = models.FloatField()
+	r1 = models.FloatField()
+	r2 = models.FloatField()

webserver/testServer/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

webserver/testServer/urls.py

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+from django.conf.urls import include, url
+from django.contrib import admin
+
+from . import views
+
+urlpatterns = [
+	url(r'^set/(?P<tagID>[0-9]+)/(?P<B>[0-9]+\.?[0-9]*)/(?P<r1>[0-9]+\.?[0-9]*)/(?P<r2>[0-9]+\.?[0-9]*)', views.setData),
+	url(r'^get/(?P<tagID>[0-9]+)/', views.getDataFromTagID),
+]

webserver/testServer/views.py

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+from django.shortcuts import render
+import math
+from django.http import JsonResponse, HttpResponse
+from testServer.models import *
+
+def calcDistanceAndTheta(B, r1, r2, old_distance, old_theta):
+	try:
+		distance = math.sqrt(0.5 * (r1**2) - 0.25 * (B**2) + 0.5 * (r2**2))
+		theta = (math.acos((distance ** 2 + (B/2)**2 - r1**2) / (distance * B)) - math.pi / 2.0) * (180 / math.pi)
+		return (distance, theta)
+	except ValueError:
+		return (old_distance, old_theta)
+
+
+def setData(request, tagID, B, r1, r2):
+	tagID = int(tagID)
+	B = float(B)
+	r1 = float(r1)
+	r2 = float(r2)
+	currTag = Tag.objects.all().filter(tagID=tagID).first()
+	if(currTag != None):
+		currTag.B = B
+		currTag.r1 = r1
+		currTag.r2 = r2
+	else:
+		currTag = Tag(tagID=tagID, B=B, r1=r1, r2=r2, distance=None, theta=None )
+	(dist, theta) = calcDistanceAndTheta(B, r1, r2, currTag.distance, currTag.theta)
+
+	currTag.distance = dist
+	currTag.theta = theta
+	currTag.save()
+
+	if(dist != None and theta!= None):
+		html = "<html><body>It has been set to R=%f and theta=%f" % (dist , theta)
+	else:
+		html = "<html><body>Distance and theta are None as an error occured"
+	return HttpResponse(html)
+
+def getDataFromTagID(request, tagID):
+	response = {}
+	currTag = Tag.objects.all().filter(tagID=tagID).first()
+	if (currTag != None):
+		response['R'] = currTag.distance
+		response['theta'] = currTag.theta
+
+		return JsonResponse(response)
+	else:
+		return JsonResponse({'error' : 'Couldnt find object with that ID'})
+