Merge "Emulator: handle OOM and Protocol error cases"

import java.io.EOFException;

import java.io.FileDescriptor;

import java.io.InterruptedIOException;

import java.net.ProtocolException;

import java.net.SocketException;

import java.nio.ByteBuffer;

import java.nio.ByteOrder;

// write contents of the host system's clipboard.

class EmulatorClipboardMonitor implements Consumer<ClipData> {

    private static final String TAG = "EmulatorClipboardMonitor";

    private static final String PIPE_NAME = "pipe:clipboard";

    private static final int HOST_PORT = 5000;

    private final Thread mHostMonitorThread;

    private static final boolean LOG_CLIBOARD_ACCESS =

            SystemProperties.getBoolean("ro.boot.qemu.log_clipboard_access", false);

    private static final int MAX_CLIPBOARD_BYTES = 128 << 20;

    private FileDescriptor mPipe = null;

    private final Thread mHostMonitorThread;

    private static byte[] createOpenHandshake() {

        // String.getBytes doesn't include the null terminator,

        return fd;

    }

    private static byte[] receiveMessage(final FileDescriptor fd) throws ErrnoException,

            InterruptedIOException, EOFException {

    private byte[] receiveMessage(final FileDescriptor fd) throws ErrnoException,

            InterruptedIOException, EOFException, ProtocolException {

        final byte[] lengthBits = new byte[4];

        readFully(fd, lengthBits, 0, lengthBits.length);

        bb.order(ByteOrder.LITTLE_ENDIAN);

        final int msgLen = bb.getInt();

        if (msgLen <= 0 || msgLen > MAX_CLIPBOARD_BYTES) {

            throw new ProtocolException("Clipboard message length: " + msgLen + " out of bounds.");

        }

        final byte[] msg = new byte[msgLen];

        readFully(fd, msg, 0, msg.length);

                    }

                    setAndroidClipboard.accept(clip);

                } catch (ErrnoException | EOFException | InterruptedIOException

                         | InterruptedException e) {

                         | InterruptedException | ProtocolException | OutOfMemoryError e) {

                    Slog.w(TAG, "Failure to read from host clipboard", e);

                    setPipeFD(null);

                    try {