Merge "Convert VtsHalUsbGadgetV1_0HostTest to java test" into rvc-dev am: 16920dd784

Change-Id: I8fc782cc7f75861f651c7ccfe5d2ef00b7cb9616
diff --git a/usb/gadget/V1_0/host/Android.bp b/usb/gadget/V1_0/host/Android.bp
index 4d84c3d..db9b24d 100644
--- a/usb/gadget/V1_0/host/Android.bp
+++ b/usb/gadget/V1_0/host/Android.bp
@@ -16,3 +16,19 @@
 vts_config {
     name: "VtsHalUsbGadgetV1_0Host",
 }
+
+java_test_host {
+    name: "HalUsbGadgetV1_0HostTest",
+    libs: [
+        "tradefed",
+        "tradefed-common-util",
+    ],
+    static_libs: [
+        "jna-prebuilt",
+    ],
+    srcs: ["src/**/*.java"],
+    test_suites: [
+        "vts",
+    ],
+    auto_gen_config: true,
+}
diff --git a/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/HalUsbGadgetV1_0HostTest.java b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/HalUsbGadgetV1_0HostTest.java
new file mode 100644
index 0000000..38f0274
--- /dev/null
+++ b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/HalUsbGadgetV1_0HostTest.java
@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.tests.usbgadget;
+
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assume.assumeTrue;
+
+import com.android.tests.usbgadget.libusb.ConfigDescriptor;
+import com.android.tests.usbgadget.libusb.DeviceDescriptor;
+import com.android.tests.usbgadget.libusb.IUsbNative;
+import com.android.tests.usbgadget.libusb.Interface;
+import com.android.tests.usbgadget.libusb.InterfaceDescriptor;
+import com.android.tradefed.invoker.TestInformation;
+import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
+import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test;
+import com.android.tradefed.testtype.junit4.BeforeClassWithInfo;
+import com.google.common.base.Strings;
+import com.sun.jna.Native;
+import com.sun.jna.Pointer;
+import com.sun.jna.ptr.PointerByReference;
+import java.util.Arrays;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/** A host-side test for USB Gadget HAL */
+@RunWith(DeviceJUnit4ClassRunner.class)
+public class HalUsbGadgetV1_0HostTest extends BaseHostJUnit4Test {
+    private static final int WAIT_TIME = 3000;
+    private static final String HAL_SERVICE = "android.hardware.usb.gadget@1.0::IUsbGadget";
+
+    private static boolean mHasService;
+    private static IUsbNative mUsb;
+    private static Pointer mContext;
+
+    @BeforeClassWithInfo
+    public static void beforeClassWithDevice(TestInformation testInfo) throws Exception {
+        String serviceFound =
+                testInfo.getDevice()
+                        .executeShellCommand(String.format("lshal | grep \"%s\"", HAL_SERVICE))
+                        .trim();
+        mHasService = !Strings.isNullOrEmpty(serviceFound);
+
+        if (mHasService) {
+            mUsb = (IUsbNative) Native.loadLibrary("usb-1.0", IUsbNative.class);
+            PointerByReference context = new PointerByReference();
+            mUsb.libusb_init(context);
+            mContext = context.getValue();
+        }
+    }
+
+    private static boolean checkProtocol(int usbClass, int usbSubClass, int usbProtocol) {
+        PointerByReference list = new PointerByReference();
+        int count = mUsb.libusb_get_device_list(mContext, list);
+        Pointer[] devices = list.getValue().getPointerArray(0, count);
+        for (Pointer device : devices) {
+            DeviceDescriptor[] devDescriptors = new DeviceDescriptor[1];
+            mUsb.libusb_get_device_descriptor(device, devDescriptors);
+            for (int j = 0; j < devDescriptors[0].bNumConfigurations; j++) {
+                PointerByReference configRef = new PointerByReference();
+                int success = mUsb.libusb_get_config_descriptor(device, j, configRef);
+                ConfigDescriptor config = new ConfigDescriptor(configRef.getValue());
+                List<Interface> interfaces =
+                        Arrays.asList(config.interfaces.toArray(config.bNumInterfaces));
+                for (Interface interface_ : interfaces) {
+                    List<InterfaceDescriptor> descriptors =
+                            Arrays.asList(interface_.altsetting.toArray(interface_.num_altsetting));
+                    for (InterfaceDescriptor d : descriptors) {
+                        if (Byte.toUnsignedInt(d.bInterfaceClass) == usbClass
+                                && Byte.toUnsignedInt(d.bInterfaceSubClass) == usbSubClass
+                                && Byte.toUnsignedInt(d.bInterfaceProtocol) == usbProtocol) {
+                            return true;
+                        }
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    /** Check for ADB */
+    @Test
+    public void testAndroidUSB() throws Exception {
+        assumeTrue(String.format("The device doesn't have service %s", HAL_SERVICE), mHasService);
+        assertTrue("ADB not present", checkProtocol(255, 66, 1));
+    }
+
+    /**
+     * Check for MTP.
+     *
+     * <p>Enables mtp and checks the host to see if mtp interface is present. MTP:
+     * https://en.wikipedia.org/wiki/Media_Transfer_Protocol.
+     */
+    @Test
+    public void testMtp() throws Exception {
+        assumeTrue(String.format("The device doesn't have service %s", HAL_SERVICE), mHasService);
+        getDevice().executeShellCommand("svc usb setFunctions mtp true");
+        Thread.sleep(WAIT_TIME);
+        assertTrue("MTP not present", checkProtocol(6, 1, 1));
+    }
+
+    /**
+     * Check for PTP.
+     *
+     * <p>Enables ptp and checks the host to see if ptp interface is present. PTP:
+     * https://en.wikipedia.org/wiki/Picture_Transfer_Protocol.
+     */
+    @Test
+    public void testPtp() throws Exception {
+        assumeTrue(String.format("The device doesn't have service %s", HAL_SERVICE), mHasService);
+        getDevice().executeShellCommand("svc usb setFunctions ptp true");
+        Thread.sleep(WAIT_TIME);
+        assertTrue("PTP not present", checkProtocol(6, 1, 1));
+    }
+
+    /**
+     * Check for MIDI.
+     *
+     * <p>Enables midi and checks the host to see if midi interface is present. MIDI:
+     * https://en.wikipedia.org/wiki/MIDI.
+     */
+    @Test
+    public void testMIDI() throws Exception {
+        assumeTrue(String.format("The device doesn't have service %s", HAL_SERVICE), mHasService);
+        getDevice().executeShellCommand("svc usb setFunctions midi true");
+        Thread.sleep(WAIT_TIME);
+        assertTrue("MIDI not present", checkProtocol(1, 3, 0));
+    }
+
+    /**
+     * Check for RNDIS.
+     *
+     * <p>Enables rndis and checks the host to see if rndis interface is present. RNDIS:
+     * https://en.wikipedia.org/wiki/RNDIS.
+     */
+    @Test
+    public void testRndis() throws Exception {
+        assumeTrue(String.format("The device doesn't have service %s", HAL_SERVICE), mHasService);
+        getDevice().executeShellCommand("svc usb setFunctions rndis true");
+        Thread.sleep(WAIT_TIME);
+        assertTrue("RNDIS not present", checkProtocol(10, 0, 0));
+    }
+}
diff --git a/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/ConfigDescriptor.java b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/ConfigDescriptor.java
new file mode 100644
index 0000000..4c0e9a4
--- /dev/null
+++ b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/ConfigDescriptor.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.tests.usbgadget.libusb;
+
+import com.google.common.collect.ImmutableList;
+import com.sun.jna.Pointer;
+import com.sun.jna.Structure;
+import java.util.List;
+
+public class ConfigDescriptor extends Structure {
+    public static class ByReference extends ConfigDescriptor implements Structure.ByReference {}
+
+    public ConfigDescriptor() {}
+
+    public ConfigDescriptor(Pointer p) {
+        super(p);
+        read();
+    }
+
+    @Override
+    protected List<String> getFieldOrder() {
+        return ImmutableList.of("bLength", "bDescriptorType", "wTotalLength", "bNumInterfaces",
+                "bConfigurationValue", "iConfiguration", "bmAttributes", "bMaxPower", "interfaces",
+                "extra", "extra_length");
+    }
+
+    public byte bLength;
+    public byte bDescriptorType;
+    public short wTotalLength;
+    public byte bNumInterfaces;
+    public byte bConfigurationValue;
+    public byte iConfiguration;
+    public byte bmAttributes;
+    public byte bMaxPower;
+    public Interface.ByReference interfaces;
+    public Pointer extra;
+    public int extra_length;
+}
diff --git a/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/DeviceDescriptor.java b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/DeviceDescriptor.java
new file mode 100644
index 0000000..1ac22fd
--- /dev/null
+++ b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/DeviceDescriptor.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.tests.usbgadget.libusb;
+
+import com.google.common.collect.ImmutableList;
+import com.sun.jna.Pointer;
+import com.sun.jna.Structure;
+import java.util.List;
+
+public class DeviceDescriptor extends Structure {
+    public static class ByReference extends DeviceDescriptor implements Structure.ByReference {}
+
+    public DeviceDescriptor() {}
+
+    public DeviceDescriptor(Pointer p) {
+        super(p);
+        read();
+    }
+
+    @Override
+    protected List<String> getFieldOrder() {
+        return ImmutableList.of("bLength", "bDescriptorType", "bcdUSB", "bDeviceClass",
+                "bDeviceSubClass", "bDeviceProtocol", "bMaxPacketSize0", "idVendor", "idProduct",
+                "bcdDevice", "iManufacturer", "iProduct", "iSerialNumber", "bNumConfigurations");
+    }
+
+    public byte bLength;
+    public byte bDescriptorType;
+    public short bcdUSB;
+    public byte bDeviceClass;
+    public byte bDeviceSubClass;
+    public byte bDeviceProtocol;
+    public byte bMaxPacketSize0;
+    public short idVendor;
+    public short idProduct;
+    public short bcdDevice;
+    public byte iManufacturer;
+    public byte iProduct;
+    public byte iSerialNumber;
+    public byte bNumConfigurations;
+}
diff --git a/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/IUsbNative.java b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/IUsbNative.java
new file mode 100644
index 0000000..b8adbb7
--- /dev/null
+++ b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/IUsbNative.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.tests.usbgadget.libusb;
+
+import com.sun.jna.Library;
+import com.sun.jna.Pointer;
+import com.sun.jna.ptr.PointerByReference;
+
+/** JNA adapter for <a href="https://libusb.info">libusb</a>. */
+public interface IUsbNative extends Library {
+    /**
+     * Initialize libusb, must be called before calling any other function.
+     *
+     * @param context output location for context pointer
+     * @return 0 on success, or an error code
+     */
+    int libusb_init(PointerByReference context);
+
+    /**
+     * Deinitialize libusb.
+     *
+     * @param ctx context to deinitialize
+     */
+    void libusb_exit(Pointer ctx);
+
+    /**
+     * Returns a list of USB devices currently attached to the system.
+     *
+     * @param ctx context to operate on
+     * @param list output location for a list of devices
+     * @return number of devices, or an error code
+     */
+    int libusb_get_device_list(Pointer ctx, PointerByReference list);
+
+    /**
+     * Get the USB device descriptor for a given device.
+     *
+     * @param dev device
+     * @param desc output location for the descriptor data
+     * @return 0 on success, or an error code
+     */
+    int libusb_get_device_descriptor(Pointer dev, DeviceDescriptor[] desc);
+
+    /**
+     * Get a USB configuration descriptor based on its index.
+     *
+     * @param dev device
+     * @param config_index config index
+     * @param config a USB configuration descriptor pointer
+     * @return 0 on success, or an error code
+     */
+    int libusb_get_config_descriptor(Pointer dev, int config_index, PointerByReference config);
+}
\ No newline at end of file
diff --git a/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/Interface.java b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/Interface.java
new file mode 100644
index 0000000..3353a2c
--- /dev/null
+++ b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/Interface.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.tests.usbgadget.libusb;
+
+import com.google.common.collect.ImmutableList;
+import com.sun.jna.Pointer;
+import com.sun.jna.Structure;
+import java.util.List;
+
+public class Interface extends Structure {
+    public static class ByReference extends Interface implements Structure.ByReference {}
+
+    public Interface() {}
+
+    public Interface(Pointer p) {
+        super(p);
+        read();
+    }
+
+    public Interface[] toArray(int size) {
+        return (Interface[]) super.toArray(new Interface[size]);
+    }
+
+    @Override
+    protected List<String> getFieldOrder() {
+        return ImmutableList.of("altsetting", "num_altsetting");
+    }
+
+    public InterfaceDescriptor.ByReference altsetting;
+    public int num_altsetting;
+}
diff --git a/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/InterfaceDescriptor.java b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/InterfaceDescriptor.java
new file mode 100644
index 0000000..e6ed1f4
--- /dev/null
+++ b/usb/gadget/V1_0/host/src/com/android/tests/usbgadget/libusb/InterfaceDescriptor.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.tests.usbgadget.libusb;
+
+import com.google.common.collect.ImmutableList;
+import com.sun.jna.Pointer;
+import com.sun.jna.Structure;
+import java.util.List;
+
+public class InterfaceDescriptor extends Structure {
+    public static class ByReference extends InterfaceDescriptor implements Structure.ByReference {}
+
+    public InterfaceDescriptor() {}
+
+    public InterfaceDescriptor(Pointer p) {
+        super(p);
+        read();
+    }
+
+    public InterfaceDescriptor[] toArray(int size) {
+        return (InterfaceDescriptor[]) super.toArray(size);
+    }
+
+    @Override
+    protected List<String> getFieldOrder() {
+        return ImmutableList.of("bLength", "bDescriptorType", "bInterfaceNumber",
+                "bAlternateSetting", "bNumEndpoints", "bInterfaceClass", "bInterfaceSubClass",
+                "bInterfaceProtocol", "iInterface", "endpoint", "extra", "extra_length");
+    }
+
+    public byte bLength;
+    public byte bDescriptorType;
+    public byte bInterfaceNumber;
+    public byte bAlternateSetting;
+    public byte bNumEndpoints;
+    public byte bInterfaceClass;
+    public byte bInterfaceSubClass;
+    public byte bInterfaceProtocol;
+    public byte iInterface;
+    public Pointer endpoint;
+    public Pointer extra;
+    public int extra_length;
+}