tests: WPS AP and UPnP event subscription and many events

Signed-off-by: Jouni Malinen <j@w1.fi>

tests/hwsim/test_ap_wps.py

@@ -2782,6 +2782,73 @@ def test_ap_wps_upnp_subscribe(dev, apdev):
         if "FAIL" not in hapd.request("ENABLE"):
             raise Exception("ENABLE succeeded during OOM")
 
+def test_ap_wps_upnp_subscribe_events(dev, apdev):
+    """WPS AP and UPnP event subscription and many events"""
+    ap_uuid = "27ea801a-9e5c-4e73-bd82-f89cbcd10d7e"
+    hapd = add_ssdp_ap(apdev[0]['ifname'], ap_uuid)
+
+    location = ssdp_get_location(ap_uuid)
+    urls = upnp_get_urls(location)
+    eventurl = urlparse.urlparse(urls['event_sub_url'])
+
+    class WPSERHTTPServer(SocketServer.StreamRequestHandler):
+        def handle(self):
+            data = self.rfile.readline().strip()
+            logger.debug(data)
+            self.wfile.write(gen_wps_event())
+
+    server = MyTCPServer(("127.0.0.1", 12345), WPSERHTTPServer)
+    server.timeout = 1
+
+    url = urlparse.urlparse(location)
+    conn = httplib.HTTPConnection(url.netloc)
+
+    headers = { "callback": '<http://127.0.0.1:12345/event>',
+                "NT": "upnp:event",
+                "timeout": "Second-1234" }
+    conn.request("SUBSCRIBE", eventurl.path, "\r\n\r\n", headers)
+    resp = conn.getresponse()
+    if resp.status != 200:
+        raise Exception("Unexpected HTTP response: %d" % resp.status)
+    sid = resp.getheader("sid")
+    logger.debug("Subscription SID " + sid)
+
+    # Fetch the first event message
+    server.handle_request()
+
+    # Force subscription event queue to reach the maximum length by generating
+    # new proxied events without the ER fetching any of the pending events.
+    dev[1].scan_for_bss(apdev[0]['bssid'], freq=2412)
+    dev[2].scan_for_bss(apdev[0]['bssid'], freq=2412)
+    for i in range(16):
+        dev[1].dump_monitor()
+        dev[2].dump_monitor()
+        dev[1].request("WPS_PIN " + apdev[0]['bssid'] + " 12345670")
+        dev[2].request("WPS_PIN " + apdev[0]['bssid'] + " 12345670")
+        dev[1].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
+        dev[1].request("WPS_CANCEL")
+        dev[2].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
+        dev[2].request("WPS_CANCEL")
+        if i % 4 == 1:
+            time.sleep(1)
+        else:
+            time.sleep(0.1)
+
+    hapd.request("WPS_PIN any 12345670")
+    dev[1].dump_monitor()
+    dev[1].request("WPS_PIN " + apdev[0]['bssid'] + " 12345670")
+    ev = dev[1].wait_event(["WPS-SUCCESS"], timeout=10)
+    if ev is None:
+        raise Exception("WPS success not reported")
+
+    # Close the WPS ER HTTP server without fetching all the pending events.
+    # This tests hostapd code path that clears subscription and the remaining
+    # event queue when the interface is deinitialized.
+    server.handle_request()
+    server.server_close()
+
+    dev[1].wait_connected()
+
 def test_ap_wps_upnp_http_proto(dev, apdev):
     """WPS AP and UPnP/HTTP protocol testing"""
     ap_uuid = "27ea801a-9e5c-4e73-bd82-f89cbcd10d7e"