Add an ssdp scanner

ssdp_scan.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+import socket
+
+msg = \
+    'M-SEARCH * HTTP/1.1\r\n' \
+    'HOST:239.255.255.250:1900\r\n' \
+    'ST:upnp:rootdevice\r\n' \
+    'MX:2\r\n' \
+    'MAN:"ssdp:discover"\r\n' \
+    '\r\n'
+
+# Set up UDP socket
+s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
+s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 4)
+#s.bind(('192.168.50.1',0))
+s.settimeout(2)
+s.sendto(msg, ('239.255.255.250', 1900) )
+#s.sendto(msg, ('192.168.1.1', 1900) )
+
+try:
+    while True:
+        data, addr = s.recvfrom(65507)
+        print addr, data
+except socket.timeout:
+    pass