Add debug script

Author: richstokes

debug/ssdp_client.py

@@ -0,0 +1,63 @@
+"""
+SSDP Debug Tool which listens for SSDP packets on the network.
+Prints the details of the SSDP packets received.
+
+"""
+
+import socket
+import threading
+import time
+import struct
+import select
+
+class SSDPClient:
+    def __init__(self, multicast_group='239.255.255.250', multicast_port=1900, interface_ip='0.0.0.0'):
+        self.multicast_group = multicast_group
+        self.multicast_port = multicast_port
+        self.interface_ip = interface_ip
+        self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
+        self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)  # Allow multiple bindings
+        self.sock.bind((self.interface_ip, self.multicast_port))
+
+        # Join the multicast group
+        mreq = struct.pack("4sl", socket.inet_aton(self.multicast_group), socket.INADDR_ANY)
+        self.sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
+
+        self.sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
+        self.running = True
+        self.thread = threading.Thread(target=self.listen)
+        self.thread.start()
+
+    def listen(self):
+        while self.running:
+            try:
+                data, addr = self.sock.recvfrom(1024)
+                self.handle_ssdp_packet(data, addr)
+            except Exception as e:
+                print(f"Error receiving SSDP packet: {e}")
+
+    def handle_ssdp_packet(self, data, addr):
+        print(f"Received SSDP packet from {addr}: {data}")
+
+    def stop(self):
+        self.running = False
+        self.sock.close()
+        self.thread.join()
+
+def main():
+    ssdp_client = SSDPClient()
+    try:
+        print("Listening for SSDP packets...")
+        while True:
+            time.sleep(1)
+    except KeyboardInterrupt:
+        print("Stopping SSDP client...")
+        ssdp_client.stop()
+
+if __name__ == "__main__":
+    main()
+else:
+    print("This script is intended to be run directly, not imported as a module.")
+    print("Run it using: python ssdp_client.py")
+    exit(1)