code cleanup

app.py

@@ -5,49 +5,15 @@ import db
 import os
 from werkzeug.utils import secure_filename
 import subprocess
-import threading
 import utils
 import shutil
+import config
 
 app = Flask(__name__)
 app.config['UPLOAD_FOLDER'] = "squash"
 app.config['MAX_CONTENT_LENGTH'] = 1024 * 1024 * 512 #512MB
 
-def ssh_thread_function():
-    subprocess.run(['wssh','--fbidhttp=False'])
-    
-ssh_thread = threading.Thread(target=ssh_thread_function)
-ssh_thread.start()
-
-class PingThread(threading.Thread):
-    def __init__(self, ip, id):
-        super(PingThread, self).__init__()
-        self.Ip = ip
-        self.Id = id
-    def run(self):
-        if utils.ping_client(self.Ip) == False:
-            date = db.get_image_allocation_time_id(self.Id)
-            if date is None:
-                return
-            delta = datetime.datetime.now() - date
-            if delta.total_seconds()  > 30:
-                db.del_image_allocation_id(self.Id)
-        else:
-            db.update_image_allocation_time(self.Id)
-
-def check_allocation_thread_function():
-    while True:
-        ids = db.get_image_allocation_all()
-        for x in ids:
-            ip = db.get_image_allocation_clientip_id(x[0])
-            ping_thread = PingThread(ip, x[0])
-            ping_thread.start()
-            
-        sleep(10)
-
-allocation_thread = threading.Thread(target=check_allocation_thread_function)
-allocation_thread.start()
-
+utils.init_threads()
 
 @app.route('/')
 def main():
@@ -184,6 +150,9 @@ def get_image():
         pass
 
     if filename is None or filename == "":
-        filename = "default.squashfs"
+        filename = config.default_file
         
     return send_file(os.path.join(app.config['UPLOAD_FOLDER'], filename))
+
+if __name__ == '__main__':
+    app.run(host="0.0.0.0")

config.py

@@ -2,4 +2,5 @@ database="praktyki"
 host="localhost"
 user="praktyki"
 password="2a7driUITXFy73tO"
-port="5432"
+port="5432"
+default_file = "default.squashfs"

utils.py

@@ -1,8 +1,13 @@
+import datetime
 import hashlib
 import secrets
 import string
 import random
 import os
+import subprocess
+import threading
+from time import sleep
+import db
 
 def generate_random_string(length):
     letters = string.ascii_letters
@@ -21,4 +26,44 @@ def ping_client(ip):
     if response == 0:
         return True
     else:
-        return False
+        return False
+    
+
+
+def ssh_thread_function():
+    subprocess.run(['wssh','--fbidhttp=False'])
+        
+def check_allocation_thread_function():
+    while True:
+        ids = db.get_image_allocation_all()
+        for x in ids:
+            ip = db.get_image_allocation_clientip_id(x[0])
+            ping_thread = PingThread(ip, x[0])
+            ping_thread.start()
+            
+        sleep(10)
+        
+class PingThread(threading.Thread):
+    def __init__(self, ip, id):
+        super(PingThread, self).__init__()
+        self.Ip = ip
+        self.Id = id
+    def run(self):
+        if self.Ip is None:
+            return
+        if ping_client(self.Ip) == False:
+            date = db.get_image_allocation_time_id(self.Id)
+            if date is None:
+                return
+            delta = datetime.datetime.now() - date
+            if delta.total_seconds()  > 30:
+                db.del_image_allocation_id(self.Id)
+        else:
+            db.update_image_allocation_time(self.Id)
+            
+def init_threads():    
+    ssh_thread = threading.Thread(target=ssh_thread_function)
+    ssh_thread.start()
+
+    allocation_thread = threading.Thread(target=check_allocation_thread_function)
+    allocation_thread.start()