Initial Attempt to resolve Issue #6739. Creating of DNS Server that o…

…pens UDP socket to send DNS queries for hostname resolution. Running into troubles getting UDP socket and DNS server to communicate, leading to timeout issues. Some help with this would be greatly appreciated :)

examples/addons/dns_server.py

@@ -0,0 +1,52 @@
+import asyncio
+import socket
+
+class DNSProtocol:
+    def __init__(self):
+        self.response_received = asyncio.Event()
+        self.response_data = None
+
+    def received(self, data):
+        self.response_data = data
+        self.response_received.set()
+
+class DNSServer:
+    async def async_getaddrinfo(self, hostname):
+        try:
+            udp_server_address = 'local'
+            udp_server_port = 12234
+
+            sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+            sock.settimeout(10)  # Set timeout threshold for socket operations
+
+            try:
+                sock.sendto(hostname.encode(), (udp_server_address, udp_server_port))
+
+                data, _ = sock.recvfrom(1024)
+
+                ip_address = data.decode()
+                return ip_address
+            finally:
+                sock.close()
+        except socket.timeout as e:
+            print("Timeout waiting for data from UDP socket:", e)
+            return None
+        except Exception as e:
+            print("Error communicating with UDP server:", e)
+            return None
+
+
+    async def receive_from_socket(self, sock):
+        try:
+            data, _ = await asyncio.wait_for(sock.recvfrom(1024), timeout=5)
+            return data
+        except asyncio.TimeoutError as e:
+            print("Timeout waiting for data from UDP socket:", e)
+            return None
+        except Exception as e:
+            print("Error receiving data from UDP socket:", e)
+            return None
+        finally:
+            sock.close()
+
+addons=[DNSServer()]