Adding ability to control how the USB data is dumped. (f25c4eb7) · Commits · e / os / android_frameworks_base

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

+117 −33

Original line number	Diff line number	Diff line
		@@ -28,6 +28,7 @@ import android.util.Slog;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.util.IndentingPrintWriter;
		import com.android.server.usb.descriptors.UsbDescriptor;
		import com.android.server.usb.descriptors.UsbDescriptorParser;
		import com.android.server.usb.descriptors.UsbDeviceDescriptor;
		import com.android.server.usb.descriptors.report.TextReportCanvas;
		@@ -84,7 +85,10 @@ public class UsbHostManager {
		String mDeviceAddress;

		static final int CONNECT = 0;
		static final int DISCONNECT = 1;
		static final int CONNECT_BADPARSE = 1;
		static final int CONNECT_BADDEVICE = 2;
		static final int DISCONNECT = -1;

		final int mMode;
		final byte[] mDescriptors;

		@@ -100,8 +104,8 @@ public class UsbHostManager {
		}

		void dumpShort(IndentingPrintWriter pw) {
		if (mMode == CONNECT) {
		pw.println(formatTime() + " Connect " + mDeviceAddress);
		if (mMode != DISCONNECT) {
		pw.println(formatTime() + " Connect " + mDeviceAddress + " mode:" + mMode);
		UsbDescriptorParser parser = new UsbDescriptorParser(mDeviceAddress, mDescriptors);

		UsbDeviceDescriptor deviceDescriptor = parser.getDeviceDescriptor();
		@@ -115,9 +119,9 @@ public class UsbHostManager {
		}
		}

		void dumpLong(IndentingPrintWriter pw) {
		if (mMode == CONNECT) {
		pw.println(formatTime() + " Connect " + mDeviceAddress);
		void dumpTree(IndentingPrintWriter pw) {
		if (mMode != DISCONNECT) {
		pw.println(formatTime() + " Connect " + mDeviceAddress + " mode:" + mMode);
		UsbDescriptorParser parser = new UsbDescriptorParser(mDeviceAddress, mDescriptors);
		StringBuilder stringBuilder = new StringBuilder();
		UsbDescriptorsTree descriptorTree = new UsbDescriptorsTree();
		@@ -131,6 +135,55 @@ public class UsbHostManager {
		pw.println(formatTime() + " Disconnect " + mDeviceAddress);
		}
		}

		void dumpList(IndentingPrintWriter pw) {
		if (mMode != DISCONNECT) {
		pw.println(formatTime() + " Connect " + mDeviceAddress + " mode:" + mMode);
		UsbDescriptorParser parser = new UsbDescriptorParser(mDeviceAddress, mDescriptors);
		StringBuilder stringBuilder = new StringBuilder();
		TextReportCanvas canvas = new TextReportCanvas(parser, stringBuilder);
		for (UsbDescriptor descriptor : parser.getDescriptors()) {
		descriptor.report(canvas);
		}
		pw.println(stringBuilder.toString());

		pw.println("isHeadset[in: " + parser.isInputHeadset()
		+ " , out: " + parser.isOutputHeadset() + "]");
		} else {
		pw.println(formatTime() + " Disconnect " + mDeviceAddress);
		}
		}

		private static final int kDumpBytesPerLine = 16;

		void dumpRaw(IndentingPrintWriter pw) {
		if (mMode != DISCONNECT) {
		pw.println(formatTime() + " Connect " + mDeviceAddress + " mode:" + mMode);
		int length = mDescriptors.length;
		pw.println("Raw Descriptors " + length + " bytes");
		int dataOffset = 0;
		for (int line = 0; line < length / kDumpBytesPerLine; line++) {
		StringBuilder sb = new StringBuilder();
		for (int offset = 0; offset < kDumpBytesPerLine; offset++) {
		sb.append("0x")
		.append(String.format("0x%02X", mDescriptors[dataOffset++]))
		.append(" ");
		}
		pw.println(sb.toString());
		}

		// remainder
		StringBuilder sb = new StringBuilder();
		while (dataOffset < length) {
		sb.append("0x")
		.append(String.format("0x%02X", mDescriptors[dataOffset++]))
		.append(" ");
		}
		pw.println(sb.toString());
		} else {
		pw.println(formatTime() + " Disconnect " + mDeviceAddress);
		}
		}
		}

		/*
		@@ -205,7 +258,7 @@ public class UsbHostManager {
		ConnectionRecord rec =
		new ConnectionRecord(deviceAddress, mode, rawDescriptors);
		mConnections.add(rec);
		if (mode == ConnectionRecord.CONNECT) {
		if (mode != ConnectionRecord.DISCONNECT) {
		mLastConnect = rec;
		}
		}
		@@ -241,10 +294,16 @@ public class UsbHostManager {
		if (parser.parseDescriptors(descriptors)) {

		UsbDevice newDevice = parser.toAndroidUsbDevice();
		if (newDevice == null) {
		Slog.e(TAG, "Couldn't create UsbDevice object.");
		// Tracking
		addConnectionRecord(deviceAddress, ConnectionRecord.CONNECT_BADDEVICE,
		parser.getRawDescriptors());
		} else {
		mDevices.put(deviceAddress, newDevice);

		// It is fine to call this only for the current user as all broadcasts are sent to
		// all profiles of the user and the dialogs should only show once.
		// It is fine to call this only for the current user as all broadcasts are
		// sent to all profiles of the user and the dialogs should only show once.
		ComponentName usbDeviceConnectionHandler = getUsbDeviceConnectionHandler();
		if (usbDeviceConnectionHandler == null) {
		getCurrentUserSettings().deviceAttached(newDevice);
		@@ -264,8 +323,12 @@ public class UsbHostManager {
		// Tracking
		addConnectionRecord(deviceAddress, ConnectionRecord.CONNECT,
		parser.getRawDescriptors());
		}
		} else {
		Slog.e(TAG, "Error parsing USB device descriptors for " + deviceAddress);
		// Tracking
		addConnectionRecord(deviceAddress, ConnectionRecord.CONNECT_BADPARSE,
		parser.getRawDescriptors());
		return false;
		}
		}
		@@ -330,7 +393,11 @@ public class UsbHostManager {
		}
		}

		public void dump(IndentingPrintWriter pw) {
		/**
		* Dump out various information about the state of USB device connections.
		*
		*/
		public void dump(IndentingPrintWriter pw, String[] args) {
		pw.println("USB Host State:");
		synchronized (mHandlerLock) {
		if (mUsbDeviceConnectionHandler != null) {
		@@ -342,19 +409,36 @@ public class UsbHostManager {
		pw.println(" " + name + ": " + mDevices.get(name));
		}

		// Connections
		pw.println("" + mNumConnects + " total connects/disconnects");
		pw.println("Last " + mConnections.size() + " connections/disconnections");
		for (ConnectionRecord rec : mConnections) {
		rec.dumpShort(pw);
		}

		}

		mUsbAlsaManager.dump(pw);
		}

		/**
		* Dump various descriptor data.
		*/
		public void dumpDescriptors(IndentingPrintWriter pw, String[] args) {
		if (mLastConnect != null) {
		pw.println("Last Connected USB Device:");
		mLastConnect.dumpLong(pw);
		if (args.length <= 1 \|\| args[1].equals("-dump-short")) {
		mLastConnect.dumpShort(pw);
		} else if (args[1].equals("-dump-tree")) {
		mLastConnect.dumpTree(pw);
		} else if (args[1].equals("-dump-list")) {
		mLastConnect.dumpList(pw);
		} else if (args[1].equals("-dump-raw")) {
		mLastConnect.dumpRaw(pw);
		}
		} else {
		pw.println("No USB Devices have been connected.");
		}

		mUsbAlsaManager.dump(pw);
		}

		private native void monitorUsbHostBus();

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

+16 −8

Original line number	Diff line number	Diff line
		@@ -496,7 +496,7 @@ public class UsbService extends IUsbManager.Stub {
		mDeviceManager.dump(pw);
		}
		if (mHostManager != null) {
		mHostManager.dump(pw);
		mHostManager.dump(pw, args);
		}
		if (mPortManager != null) {
		mPortManager.dump(pw);
		@@ -504,7 +504,7 @@ public class UsbService extends IUsbManager.Stub {
		mAlsaManager.dump(pw);

		mSettingsManager.dump(pw);
		} else if (args.length == 4 && "set-port-roles".equals(args[0])) {
		} else if ("set-port-roles".equals(args[0]) && args.length == 4) {
		final String portId = args[1];
		final int powerRole;
		switch (args[2]) {
		@@ -546,7 +546,7 @@ public class UsbService extends IUsbManager.Stub {
		pw.println();
		mPortManager.dump(pw);
		}
		} else if (args.length == 3 && "add-port".equals(args[0])) {
		} else if ("add-port".equals(args[0]) && args.length == 3) {
		final String portId = args[1];
		final int supportedModes;
		switch (args[2]) {
		@@ -571,7 +571,7 @@ public class UsbService extends IUsbManager.Stub {
		pw.println();
		mPortManager.dump(pw);
		}
		} else if (args.length == 5 && "connect-port".equals(args[0])) {
		} else if ("connect-port".equals(args[0]) && args.length == 5) {
		final String portId = args[1];
		final int mode;
		final boolean canChangeMode = args[2].endsWith("?");
		@@ -618,30 +618,32 @@ public class UsbService extends IUsbManager.Stub {
		pw.println();
		mPortManager.dump(pw);
		}
		} else if (args.length == 2 && "disconnect-port".equals(args[0])) {
		} else if ("disconnect-port".equals(args[0]) && args.length == 2) {
		final String portId = args[1];
		if (mPortManager != null) {
		mPortManager.disconnectSimulatedPort(portId, pw);
		pw.println();
		mPortManager.dump(pw);
		}
		} else if (args.length == 2 && "remove-port".equals(args[0])) {
		} else if ("remove-port".equals(args[0]) && args.length == 2) {
		final String portId = args[1];
		if (mPortManager != null) {
		mPortManager.removeSimulatedPort(portId, pw);
		pw.println();
		mPortManager.dump(pw);
		}
		} else if (args.length == 1 && "reset".equals(args[0])) {
		} else if ("reset".equals(args[0]) && args.length == 1) {
		if (mPortManager != null) {
		mPortManager.resetSimulation(pw);
		pw.println();
		mPortManager.dump(pw);
		}
		} else if (args.length == 1 && "ports".equals(args[0])) {
		} else if ("ports".equals(args[0]) && args.length == 1) {
		if (mPortManager != null) {
		mPortManager.dump(pw);
		}
		} else if ("dump-descriptors".equals(args[0])) {
		mHostManager.dumpDescriptors(pw, args);
		} else {
		pw.println("Dump current USB state or issue command:");
		pw.println(" ports");
		@@ -678,6 +680,12 @@ public class UsbService extends IUsbManager.Stub {
		pw.println(" dumpsys usb add-port \"matrix\" ufp");
		pw.println(" dumpsys usb connect-port \"matrix\" ufp sink device");
		pw.println(" dumpsys usb reset");
		pw.println();
		pw.println("Example USB device descriptors:");
		pw.println(" dumpsys usb dump-descriptors -dump-short");
		pw.println(" dumpsys usb dump-descriptors -dump-tree");
		pw.println(" dumpsys usb dump-descriptors -dump-list");
		pw.println(" dumpsys usb dump-descriptors -dump-raw");
		}
		} finally {
		Binder.restoreCallingIdentity(ident);

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

+8 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@ package com.android.server.usb.descriptors;

		import android.hardware.usb.UsbConfiguration;
		import android.hardware.usb.UsbInterface;
		import android.util.Log;

		import com.android.server.usb.descriptors.report.ReportCanvas;

		@@ -29,6 +30,7 @@ import java.util.ArrayList;
		*/
		public final class UsbConfigDescriptor extends UsbDescriptor {
		private static final String TAG = "UsbConfigDescriptor";
		private static final boolean DEBUG = false;

		private int mTotalLength; // 2:2 Total length in bytes of data returned
		private byte mNumInterfaces; // 4:1 Number of Interfaces
		@@ -77,10 +79,16 @@ public final class UsbConfigDescriptor extends UsbDescriptor {
		}

		UsbConfiguration toAndroid(UsbDescriptorParser parser) {
		if (DEBUG) {
		Log.d(TAG, " toAndroid()");
		}
		String name = parser.getDescriptorString(mConfigIndex);
		UsbConfiguration config = new
		UsbConfiguration(mConfigValue, name, mAttribs, mMaxPower);
		UsbInterface[] interfaces = new UsbInterface[mInterfaceDescriptors.size()];
		if (DEBUG) {
		Log.d(TAG, " " + mInterfaceDescriptors.size() + " interfaces.");
		}
		for (int index = 0; index < mInterfaceDescriptors.size(); index++) {
		interfaces[index] = mInterfaceDescriptors.get(index).toAndroid(parser);
		}

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

+7 −2

Original line number	Diff line number	Diff line
		@@ -26,7 +26,7 @@ import java.util.ArrayList;
		*/
		public final class UsbDescriptorParser {
		private static final String TAG = "UsbDescriptorParser";
		private static final boolean DEBUG = false;
		private static final boolean DEBUG = true;

		private final String mDeviceAddr;

		@@ -289,10 +289,15 @@ public final class UsbDescriptorParser {
		*/
		public UsbDevice toAndroidUsbDevice() {
		if (mDeviceDescriptor == null) {
		Log.e(TAG, "toAndroidUsbDevice() ERROR - No Device Descriptor");
		return null;
		}

		return mDeviceDescriptor.toAndroid(this);
		UsbDevice device = mDeviceDescriptor.toAndroid(this);
		if (device == null) {
		Log.e(TAG, "toAndroidUsbDevice() ERROR Creating Device");
		}
		return device;
		}

		/**

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

+13 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@ package com.android.server.usb.descriptors;

		import android.hardware.usb.UsbConfiguration;
		import android.hardware.usb.UsbDevice;
		import android.util.Log;

		import com.android.server.usb.descriptors.report.ReportCanvas;
		import com.android.server.usb.descriptors.report.UsbStrings;
		@@ -30,6 +31,7 @@ import java.util.ArrayList;
		*/
		public final class UsbDeviceDescriptor extends UsbDescriptor {
		private static final String TAG = "UsbDeviceDescriptor";
		private static final boolean DEBUG = false;

		public static final int USBSPEC_1_0 = 0x0100;
		public static final int USBSPEC_1_1 = 0x0110;
		@@ -113,19 +115,30 @@ public final class UsbDeviceDescriptor extends UsbDescriptor {
		* @hide
		*/
		public UsbDevice toAndroid(UsbDescriptorParser parser) {
		if (DEBUG) {
		Log.d(TAG, "toAndroid()");
		}

		String mfgName = parser.getDescriptorString(mMfgIndex);
		String prodName = parser.getDescriptorString(mProductIndex);
		if (DEBUG) {
		Log.d(TAG, " mfgName:" + mfgName + " prodName:" + prodName);
		}

		// Create version string in "%.%" format
		String versionString =
		Integer.toString(mDeviceRelease >> 8) + "." + (mDeviceRelease & 0xFF);
		String serialStr = parser.getDescriptorString(mSerialNum);
		if (DEBUG) {
		Log.d(TAG, " versionString:" + versionString + " serialStr:" + serialStr);
		}

		UsbDevice device = new UsbDevice(parser.getDeviceAddr(), mVendorID, mProductID,
		mDevClass, mDevSubClass,
		mProtocol, mfgName, prodName,
		versionString, serialStr);
		UsbConfiguration[] configs = new UsbConfiguration[mConfigDescriptors.size()];
		Log.d(TAG, " " + configs.length + " configs");
		for (int index = 0; index < mConfigDescriptors.size(); index++) {
		configs[index] = mConfigDescriptors.get(index).toAndroid(parser);
		}