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'''
/* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
'''
# _*_
from django.shortcuts import render, render_to_response
from django.http import HttpResponse, HttpResponseRedirect, HttpResponseNotFound
import json
import socket
import os
# Create your views here.
avaliable_list = [
{'ID': 'timer', 'Version': '1.0'},
{'ID': 'connection', 'Version': '1.0'},
{'ID': 'event_publisher', 'Version': '3.0'},
{'ID': 'event_subscriber', 'Version': '1.0'},
{'ID': 'request_handler', 'Version': '1.0'},
{'ID': 'sensor', 'Version': '1.0'},
{'ID': 'ui_app', 'Version': '1.0'}
]
# Help
def help(req):
# return "Help" page
return render(req, "help.html")
# View
def index(req):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
host = '127.0.0.1'
port = 8889
msg = ""
err = ""
try:
s.connect((host, port))
s.send(bytes("query:all", encoding='utf8'))
s.settimeout(10)
msg = s.recv(1024)
except socket.timeout as e:
err = "empty"
print("no client connected")
except socket.error as e:
err = "refused"
print("server not started")
s.close()
device_list = []
if msg != "":
devices = msg.decode('utf-8').split("*")
for dev in devices:
dev_info = eval(dev)
addr = dev_info['addr']
port = dev_info['port']
apps = dev_info['num']
device_list.append({'IP': addr, 'Port': port, 'apps': apps})
else:
if err == "refused":
return render(req, "empty.html")
dlist = device_list
return render(req, 'mysite.html', {'dlist': json.dumps(dlist)})
def apps(req):
open_status = ''
search_node = []
if req.method == "POST":
dev_search = req.POST['mykey']
dev_addr = req.POST['voip']
dev_port = req.POST['voport']
open_status = 'open'
for i in avaliable_list:
if i['ID'] == dev_search:
search_node = [{'ID':dev_search, 'Version': '1.0'}]
print("search_node:",search_node)
break
else:
search_node = ["Nothing find"]
print( "final:",search_node)
else:
dev_addr = req.GET['ip']
dev_port = req.GET['port']
open_status = 'close'
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
host = '127.0.0.1'
port = 8889
msg = ""
err = ""
try:
s.connect((host, port))
s.send(bytes("query:"+dev_addr+":"+str(dev_port), encoding='utf8'))
msg = s.recv(1024)
except socket.error as e:
print("unable to connect to server")
msg = b"fail"
s.close()
app_list = []
if msg != "":
if msg.decode() == "fail":
return render(req, "empty.html")
else:
dic = eval(msg.decode(encoding='utf8'))
app_num = dic["num"]
for i in range(app_num):
app_list.append(
{'pname': dic["applet"+str(i+1)], 'status': 'Installed', 'current_version': '1.0'})
alist = app_list
device_info = []
device_info.append(
{'IP': dev_addr, 'Port': str(dev_port), 'apps': app_num})
print(device_info)
return render(req, 'application.html', {'alist': json.dumps(alist), 'dlist': json.dumps(device_info), 'llist': json.dumps(avaliable_list),
"open_status":json.dumps(open_status),"search_node": json.dumps(search_node),})
def appDownload(req):
dev_addr = req.GET['ip']
dev_port = req.GET['port']
app_name = req.GET['name']
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
host = '127.0.0.1'
port = 8889
msg = ""
app_path = os.path.abspath(os.path.join(os.getcwd(), "static", "upload"))
if app_path[-1] != '/':
app_path += '/'
try:
s.connect((host, port))
s.send(bytes("install:"+dev_addr+":"+str(dev_port)+":"+app_name +
":"+app_path + app_name + ".wasm", encoding='utf8'))
msg = s.recv(1024)
except socket.error as e:
print("unable to connect to server")
s.close()
success = "ok"
fail = "Fail!"
status = [success, fail]
print(msg)
if msg == b"fail":
return HttpResponse(json.dumps({
"status": fail
}))
elif msg == b"success":
return HttpResponse(json.dumps({
"status": success
}))
else:
return HttpResponse(json.dumps({
"status": eval(msg.decode())["error message"].split(':')[1]
}))
def appDelete(req):
dev_addr = req.GET['ip']
dev_port = req.GET['port']
app_name = req.GET['name']
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
host = '127.0.0.1'
port = 8889
s.connect((host, port))
s.send(bytes("uninstall:"+dev_addr+":" +
str(dev_port)+":"+app_name, encoding='utf8'))
msg = s.recv(1024)
s.close()
r = HttpResponse("ok")
return r
static_list = [{'ID': 'timer', 'Version': '1.0'}, {'ID': 'connection', 'Version': '1.0'}, {'ID': 'event_publisher', 'Version': '3.0'}, {
'ID': 'event_subscriber', 'Version': '1.0'}, {'ID': 'reuqest_handler', 'Version': '1.0'}, {'ID': 'sensor', 'Version': '1.0'}, {'ID': 'ui_app', 'Version': '1.0'}]
def store(req):
store_path = os.path.join('static', 'upload')
status = []
print(user_file_list)
return render(req, 'appstore.html', {'staticlist': json.dumps(static_list), 'flist': json.dumps(user_file_list),'ulist':json.dumps(status)})
user_file_list = []
files_list = []
def uploadapps(req):
status = []
local_list = ['timer','connection','event_publisher','event_subscriber','reuqest_handler','sensor']
req.encoding = 'utf-8'
if req.method == 'POST':
myfile = req.FILES.get("myfile", None)
obj = req.FILES.get('myfile')
store_path = os.path.join('static', 'upload')
file_path = os.path.join('static', 'upload', obj.name)
if not os.path.exists(store_path):
os.makedirs(store_path)
file_name = obj.name.split(".")[0]
file_prefix = obj.name.split(".")[-1]
if file_prefix != "wasm":
status = ["Not a wasm file"]
elif file_name in local_list:
status = ["This App is preloaded"]
elif file_name in files_list:
status = ["This App is already uploaded"]
else:
status = []
avaliable_list.append({'ID': file_name, 'Version': '1.0'})
user_file_list.append({'ID': file_name, 'Version': '1.0'})
files_list.append(file_name)
print(user_file_list)
f = open(file_path, 'wb')
for chunk in obj.chunks():
f.write(chunk)
f.close()
return render(req, 'appstore.html', {'staticlist': json.dumps(static_list), 'flist': json.dumps(user_file_list),'ulist':json.dumps(status)})
appname_list = []
def addapps(request):
types = ''
print("enter addapps")
request.encoding = 'utf-8'
app_dic = {'ID': '', 'Version': ''}
# if request.method == 'get':
if "NAME" in request.GET:
a_name = request.GET['NAME']
if a_name != "" and a_name not in appname_list:
appname_list.append(a_name)
message = request.GET['NAME'] + request.GET['Version']
app_dic['ID'] = request.GET['NAME']
app_dic['Version'] = request.GET['Version']
avaliable_list.append(app_dic)
else:
types = "Exist"
print(avaliable_list)
return render(request, 'appstore.html', {'alist': json.dumps(avaliable_list)})
def removeapps(req):
app_name = req.GET['name']
app_version = req.GET['version']
remove_app = {'ID': app_name, 'Version': app_version}
avaliable_list.remove(remove_app)
user_file_list.remove(remove_app)
files_list.remove(app_name)
return render(req, 'appstore.html', {'alist': json.dumps(avaliable_list),'flist': json.dumps(user_file_list)})
# Test
# if __name__ == "__main__":
# print(device_list[0]['IP'])
# print(device['IP'])
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