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1#!/usr/bin/env python
2#
3# Copyright (C) 2018 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#      http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16#
17
18import logging
19import time
20import usb1
21
22from vts.runners.host import asserts
23from vts.runners.host import base_test
24from vts.runners.host import const
25from vts.runners.host import test_runner
26from vts.testcases.template.hal_hidl_host_test import hal_hidl_host_test
27from vts.utils.python.controllers import adb
28
29
30class UsbGadgetHidlTest(hal_hidl_host_test.HalHidlHostTest):
31    """A host-side test for USB Gadget HAL.
32
33    This test requires Android framework to run.
34    """
35
36    TEST_HAL_SERVICES = {"android.hardware.usb.gadget@1.0::IUsbGadget"}
37
38    def setUpClass(self):
39        """Creates an adb session and reads sysprop values."""
40        super(UsbGadgetHidlTest, self).setUpClass()
41
42        self.adb = self.dut.adb
43        try:
44            self.adb.root()
45            self.adb.wait_for_device()
46        except adb.AdbError as e:
47            logging.exception(e)
48        self.serialno = self.adb.shell("getprop ro.serialno")
49
50    def checkProtocol(self, usb_class, usb_sub_class, usb_protocol):
51        """Queries the host USB bus to see if the interface is present.
52
53        Args:
54            usb_class: usbClass id of the interface.
55            usb_sub_class: usbSubClass id of the interface.
56            usb_protocol: usbProtocol id of the interface.
57
58        Returns:
59            True if the usb interface was present. False otherwise.
60        """
61        with usb1.USBContext() as context:
62            for device in context.getDeviceIterator(skip_on_error=True):
63                logging.info("ID %04x:%04x ", device.getVendorID(),
64                             device.getProductID())
65                for config in device.iterConfigurations():
66                    logging.info("config: %d", config.getConfigurationValue())
67                    interfaces_list = iter(config)
68                    for interface in interfaces_list:
69                        altsettings_list = iter(interface)
70                        for altsetting in altsettings_list:
71                            logging.info("interfaceNum:%d altSetting:%d "
72                                         "class:%d subclass:%d protocol:%d",
73                                         altsetting.getNumber(),
74                                         altsetting.getAlternateSetting(),
75                                         altsetting.getClass(),
76                                         altsetting.getSubClass(),
77                                         altsetting.getProtocol())
78                            if altsetting.getClass() == usb_class and \
79                                altsetting.getSubClass() == usb_sub_class and \
80                                altsetting.getProtocol() == usb_protocol:
81                                return True
82        return False
83
84    def testAdb(self):
85        """Check for ADB"""
86        asserts.assertTrue(self.checkProtocol(255, 66, 1), "ADB not present")
87
88    def testMtp(self):
89        """Check for MTP.
90
91        Enables mtp and checks the host to see if mtp interface is present.
92        MTP: https://en.wikipedia.org/wiki/Media_Transfer_Protocol.
93        """
94        self.adb.shell("svc usb setFunctions mtp true")
95        time.sleep(3)
96        asserts.assertTrue(self.checkProtocol(6, 1, 1), "MTP not present")
97
98    def testPtp(self):
99        """Check for PTP.
100
101        Enables ptp and checks the host to see if ptp interface is present.
102        PTP: https://en.wikipedia.org/wiki/Picture_Transfer_Protocol.
103        """
104        self.adb.shell("svc usb setFunctions ptp true")
105        time.sleep(3)
106        asserts.assertTrue(self.checkProtocol(6, 1, 1), "PTP not present")
107
108    def testMIDI(self):
109        """Check for MIDI.
110
111        Enables midi and checks the host to see if midi interface is present.
112        MIDI: https://en.wikipedia.org/wiki/MIDI.
113        """
114        self.adb.shell("svc usb setFunctions midi true")
115        time.sleep(3)
116        asserts.assertTrue(self.checkProtocol(1, 3, 0), "MIDI not present")
117
118    def testRndis(self):
119        """Check for RNDIS.
120
121        Enables rndis and checks the host to see if rndis interface is present.
122        RNDIS: https://en.wikipedia.org/wiki/RNDIS.
123        """
124        self.adb.shell("svc usb setFunctions rndis true")
125        time.sleep(3)
126        asserts.assertTrue(self.checkProtocol(10, 0, 0), "RNDIS not present")
127
128
129if __name__ == "__main__":
130    test_runner.main()
131