wpaspy: Add Python bindings for wpa_ctrl

This allows Python to be used to control wpa_supplicant/hostapd through
the control interface.

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

wpaspy/test.py

@@ -0,0 +1,70 @@
+#!/usr/bin/python
+#
+# Test script for wpaspy
+# Copyright (c) 2013, Jouni Malinen <j@w1.fi>
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+
+import os
+import time
+import wpaspy
+
+wpas_ctrl = '/var/run/wpa_supplicant'
+
+def wpas_connect():
+    ifaces = []
+    if os.path.isdir(wpas_ctrl):
+        try:
+            ifaces = [os.path.join(wpas_ctrl, i) for i in os.listdir(wpas_ctrl)]
+        except OSError, error:
+            print "Could not find wpa_supplicant: ", error
+            return None
+
+    if len(ifaces) < 1:
+        print "No wpa_supplicant control interface found"
+        return None
+
+    for ctrl in ifaces:
+        try:
+            wpas = wpaspy.Ctrl(ctrl)
+            return wpas
+        except wpactrl.error, error:
+            print "Error: ", error
+            pass
+    return None
+
+
+def main():
+    print "Testing wpa_supplicant control interface connection"
+    wpas = wpas_connect()
+    if wpas is None:
+        return
+    print "Connected to wpa_supplicant"
+    print wpas.request('PING')
+
+    mon = wpas_connect()
+    if mon is None:
+        print "Could not open event monitor connection"
+        return
+
+    mon.attach()
+    print "Scan"
+    print wpas.request('SCAN')
+
+    count = 0
+    while count < 10:
+        count += 1
+        time.sleep(1)
+        while mon.pending():
+            ev = mon.recv()
+            print ev
+            if 'CTRL-EVENT-SCAN-RESULTS' in ev:
+                print 'Scan completed'
+                print wpas.request('SCAN_RESULTS')
+                count = 10
+                pass
+
+
+if __name__ == "__main__":
+    main()