Merge "Add dump of USB descriptors to the dumpsys for UsbHostManager service." into oc-mr1-dev (e7b8f6d2) · Commits · e / os / android_frameworks_base

services/usb/java/com/android/server/usb/UsbHostManager.java

+38 −2

Original line number	Diff line number	Diff line
		@@ -22,8 +22,10 @@ import android.content.Context;
		import android.hardware.usb.UsbConfiguration;
		import android.hardware.usb.UsbConstants;
		import android.hardware.usb.UsbDevice;
		import android.hardware.usb.UsbDeviceConnection;
		import android.hardware.usb.UsbEndpoint;
		import android.hardware.usb.UsbInterface;
		import android.hardware.usb.UsbManager;
		import android.os.Bundle;
		import android.os.ParcelFileDescriptor;
		import android.text.TextUtils;
		@@ -32,8 +34,11 @@ import android.util.Slog;
		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.util.IndentingPrintWriter;
		import com.android.server.usb.descriptors.UsbDescriptorParser;
		import com.android.server.usb.descriptors.report.TextReportCanvas;
		import com.android.server.usb.descriptors.tree.UsbDescriptorsTree;

		import java.util.ArrayList;
		import java.util.Collection;
		import java.util.HashMap;

		/**
		@@ -43,6 +48,8 @@ public class UsbHostManager {
		private static final String TAG = UsbHostManager.class.getSimpleName();
		private static final boolean DEBUG = false;

		private final Context mContext;

		// contains all connected USB devices
		private final HashMap<String, UsbDevice> mDevices = new HashMap<>();

		@@ -69,6 +76,8 @@ public class UsbHostManager {

		public UsbHostManager(Context context, UsbAlsaManager alsaManager,
		UsbSettingsManager settingsManager) {
		mContext = context;

		mHostBlacklist = context.getResources().getStringArray(
		com.android.internal.R.array.config_usbHostBlacklist);
		mUsbAlsaManager = alsaManager;
		@@ -339,6 +348,33 @@ public class UsbHostManager {
		if (mUsbDeviceConnectionHandler != null) {
		pw.println("Default USB Host Connection handler: " + mUsbDeviceConnectionHandler);
		}

		Collection<UsbDevice> devices = mDevices.values();
		if (devices.size() != 0) {
		pw.println("USB Peripheral Descriptors");
		for (UsbDevice device : devices) {
		StringBuilder stringBuilder = new StringBuilder();

		UsbDescriptorParser parser = new UsbDescriptorParser();
		if (parser.parseDevice(device.getDeviceName())) {
		UsbDescriptorsTree descriptorTree = new UsbDescriptorsTree();
		descriptorTree.parse(parser);

		UsbManager usbManager =
		(UsbManager) mContext.getSystemService(Context.USB_SERVICE);
		UsbDeviceConnection connection = usbManager.openDevice(device);

		descriptorTree.report(new TextReportCanvas(connection, stringBuilder));
		connection.close();

		stringBuilder.append("isHeadset[in: " + parser.isInputHeadset()
		+ " , out: " + parser.isOutputHeadset() + "]");
		} else {
		stringBuilder.append("Error Parsing USB Descriptors");
		}
		pw.println(stringBuilder.toString());
		}
		}
		}
		}

services/usb/java/com/android/server/usb/descriptors/UsbASFormat.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -102,6 +102,6 @@ public class UsbASFormat extends UsbACInterface {
		public void report(ReportCanvas canvas) {
		super.report(canvas);

		canvas.write(UsbStrings.getFormatName(getFormatType()));
		canvas.writeParagraph(UsbStrings.getFormatName(getFormatType()), /emphasis/false);
		}
		}

services/usb/java/com/android/server/usb/descriptors/UsbDeviceDescriptor.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -130,8 +130,8 @@ public final class UsbDeviceDescriptor extends UsbDescriptor {
		String subClasStr = UsbStrings.getClassName(devSubClass);
		canvas.writeListItem("Class " + devClass + ": " + classStr + " Subclass"
		+ devSubClass + ": " + subClasStr);
		canvas.writeListItem("Vendor ID: " + getVendorID()
		+ " Product ID: " + getProductID()
		canvas.writeListItem("Vendor ID: " + ReportCanvas.getHexString(getVendorID())
		+ " Product ID: " + ReportCanvas.getHexString(getProductID())
		+ " Product Release: " + ReportCanvas.getBCDString(getDeviceRelease()));

		byte mfgIndex = getMfgIndex();

services/usb/java/com/android/server/usb/descriptors/report/TextReportCanvas.java

+11 −13

Original line number	Diff line number	Diff line
		@@ -40,6 +40,12 @@ public final class TextReportCanvas extends ReportCanvas {
		mStringBuilder = stringBuilder;
		}

		private void writeListIndent() {
		for (int space = 0; space < mListIndent; space++) {
		mStringBuilder.append(" ");
		}
		}

		@Override
		public void write(String text) {
		mStringBuilder.append(text);
		@@ -47,7 +53,8 @@ public final class TextReportCanvas extends ReportCanvas {

		@Override
		public void openHeader(int level) {
		mStringBuilder.append("[" + level + " - ");
		writeListIndent();
		mStringBuilder.append("[");
		}

		@Override
		@@ -56,7 +63,8 @@ public final class TextReportCanvas extends ReportCanvas {
		}

		@Override
		public void openParagraph(boolean inRed) {
		public void openParagraph(boolean emphasis) {
		writeListIndent();
		}

		@Override
		@@ -75,24 +83,14 @@ public final class TextReportCanvas extends ReportCanvas {
		closeParagraph();
		}

		private void writeListIndent() {
		for (int space = 0; space < mListIndent; space++) {
		mStringBuilder.append(" ");
		}
		}

		@Override
		public void openList() {
		mListIndent += LIST_INDENT_AMNT;
		writeListIndent();
		mStringBuilder.append("---->\n");
		}

		@Override
		public void closeList() {
		writeListIndent();
		mListIndent -= LIST_INDENT_AMNT;
		mStringBuilder.append("<----\n");
		}

		@Override

services/usb/java/com/android/server/usb/descriptors/report/UsbStrings.java

+5 −14

Original line number	Diff line number	Diff line
		@@ -38,6 +38,10 @@ public final class UsbStrings {
		private static HashMap<Integer, String> sTerminalNames;
		private static HashMap<Integer, String> sFormatNames;

		static {
		allocUsbStrings();
		}

		private static void initDescriptorNames() {
		sDescriptorNames = new HashMap<Byte, String>();
		sDescriptorNames.put(UsbDescriptor.DESCRIPTORTYPE_DEVICE, "Device");
		@@ -246,7 +250,7 @@ public final class UsbStrings {
		/**
		* Initializes string tables.
		*/
		public static void allocUsbStrings() {
		private static void allocUsbStrings() {
		initDescriptorNames();
		initACControlInterfaceNames();
		initACStreamingInterfaceNames();
		@@ -257,19 +261,6 @@ public final class UsbStrings {
		initFormatNames();
		}

		/**
		* Deinitializes string tables.
		*/
		public static void releaseUsbStrings() {
		sDescriptorNames = null;
		sACControlInterfaceNames = null;
		sACStreamingInterfaceNames = null;
		sClassNames = null;
		sAudioSubclassNames = null;
		sAudioEncodingNames = null;
		sTerminalNames = null;
		}

		/**
		* Retrieves the name for the specified descriptor ID.
		*/