autotests: Support multiple hostapd instances in HostapdCLI

Make the HostapdCLI class non-static so that each objects corresponds
to a hostapd instance on one network interface (this is independent of
whether the AP instances use one or separate hostapd processes)

autotests/testDisconnectByAP/disconnect_by_ap_test.py

@@ -10,6 +10,7 @@ from iwd import DeviceState
 from iwd import NetworkType
 
 from hostapd import HostapdCLI
+from hostapd import hostapd_map
 
 class Test(unittest.TestCase):
 
@@ -20,6 +21,9 @@ class Test(unittest.TestCase):
         self.assertIsNotNone(devices)
         device = devices[0]
 
+        hostapd_if = list(hostapd_map.values())[0]
+        hostapd = HostapdCLI(hostapd_if)
+
         device.scan()
 
         condition = 'not obj.scanning'
@@ -33,7 +37,7 @@ class Test(unittest.TestCase):
         condition = 'obj.state == DeviceState.connected'
         wd.wait_for_object_condition(device, condition)
 
-        HostapdCLI.deauthenticate(device.address)
+        hostapd.deauthenticate(device.address)
 
         condition = 'obj.state == DeviceState.connecting'
         wd.wait_for_object_condition(device, condition)

autotests/testEAP-WPS-Frag/wps_frag_test.py

@@ -9,6 +9,7 @@ from iwd import IWD
 from iwd import DeviceState
 
 from hostapd import HostapdCLI
+from hostapd import hostapd_map
 
 class Test(unittest.TestCase):
 
@@ -32,7 +33,10 @@ class Test(unittest.TestCase):
 
     @classmethod
     def setUpClass(cls):
-        HostapdCLI.wps_push_button()
+        cls.hostapd_if = list(hostapd_map.values())[0]
+        cls.hostapd = HostapdCLI(cls.hostapd_if)
+
+        cls.hostapd.wps_push_button()
 
     @classmethod
     def tearDownClass(cls):

autotests/testEAP-WPS/wps_test.py

@@ -9,6 +9,7 @@ from iwd import IWD
 from iwd import DeviceState
 
 from hostapd import HostapdCLI
+from hostapd import hostapd_map
 
 class Test(unittest.TestCase):
 
@@ -32,7 +33,10 @@ class Test(unittest.TestCase):
 
     @classmethod
     def setUpClass(cls):
-        HostapdCLI.wps_push_button()
+        cls.hostapd_if = list(hostapd_map.values())[0]
+        cls.hostapd = HostapdCLI(cls.hostapd_if)
+
+        cls.hostapd.wps_push_button()
 
     @classmethod
     def tearDownClass(cls):

autotests/util/hostapd.py

@@ -1,15 +1,25 @@
 #!/usr/bin/python3
-import os
+import os, os.path
+import wiphy
+
+hostapd_map = {ifname: intf for wname, wiphy in wiphy.wiphy_map.items()
+        for ifname, intf in wiphy.items() if intf.use == 'hostapd'}
 
 class HostapdCLI:
+    def __init__(self, interface):
+        self.ifname = interface.name
+        self.ctrl_interface = interface.ctrl_interface
 
-    @staticmethod
-    def wps_push_button():
-        os.system('hostapd_cli wps_pbc')
+        socket_path = os.path.dirname(self.ctrl_interface)
 
-    @staticmethod
-    def deauthenticate(client_address):
-        os.system('hostapd_cli deauthenticate ' + client_address)
+        self.cmdline = 'hostapd_cli -p"' + socket_path + '" -i"' + \
+                self.ifname + '"'
+
+    def wps_push_button(self):
+        os.system(self.cmdline + ' wps_pbc')
+
+    def deauthenticate(self, client_address):
+        os.system(self.cmdline + ' deauthenticate ' + client_address)
 
     @staticmethod
     def kill_all():