Quick scanner to do ssdp scan

misc/ssdpscan.py

@@ -0,0 +1,42 @@
+
+from select import select
+import socket
+import sys
+import socket
+
+def scan_nicname(nicname):
+    idx = int(open('/sys/class/net/{}/ifindex'.format(nicname)).read())
+    return scan_nic(idx)
+
+def scan_nic(nicidx):
+    known_peers = {}
+    srvs = {}
+    s6 = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+    s6.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 1)
+    s6.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
+    s6.bind(('::', 0))
+    msg = b'M-SEARCH * HTTP/1.1\r\nHOST: [ff02::c]:1900\r\nMAN: "ssdp:discover"\r\nST: urn:dmtf-org:service:redfish-rest:1\r\nMX: 3\r\n\r\n'
+    s6.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, nicidx)
+    x = [False,]
+    tries=5
+    s6.sendto(msg, ('ff02::c', 1900))
+    x = select((s6,), (), (), 3.0)
+    while x[0]:
+        (rsp, peer) = s6.recvfrom(9000)
+        x = select((s6,), (), (), 0.5)
+        if peer in known_peers:
+            continue
+        known_peers[peer] = 1
+        if '%' not in peer[0]:
+            peer = list(peer)
+            peer[0] = '{}%{}'.format(peer[0], nicidx)
+        print("Received Redfish response from {}".format(peer[0]))
+
+
+
+def main():
+    scan_nicname(sys.argv[1])
+
+
+if __name__ == '__main__':
+    main()