Merge "Add constants of VpnManager events"

     */

    public static final String NOTIFICATION_CHANNEL_VPN = "VPN";

    /**

     * Action sent in the intent when an error occurred.

     *

     * @hide

     */

    public static final String ACTION_VPN_MANAGER_ERROR = "android.net.action.VPN_MANAGER_ERROR";

    /**

     * An IKE protocol error. Codes are the codes from IkeProtocolException, RFC 7296.

     *

     * @hide

     */

    public static final String CATEGORY_ERROR_IKE = "android.net.category.ERROR_IKE";

    /**

     * User deactivated the VPN, either by turning it off or selecting a different VPN provider.

     * The error code is always 0.

     *

     * @hide

     */

    public static final String CATEGORY_ERROR_USER_DEACTIVATED =

            "android.net.category.ERROR_USER_DEACTIVATED";

    /**

     * Network error. Error codes are ERROR_CODE_NETWORK_*.

     *

     * @hide

     */

    public static final String CATEGORY_ERROR_NETWORK = "android.net.category.ERROR_NETWORK";

    /**

     * The key of the session that experienced this error, as returned by

     * startProvisionedVpnProfileSession.

     *

     * @hide

     */

    public static final String EXTRA_SESSION_KEY = "android.net.extra.SESSION_KEY";

    /**

     * Extra for the Network object that was the underlying network at the time of the failure, or

     * null if none.

     *

     * @hide

     */

    public static final String EXTRA_UNDERLYING_NETWORK = "android.net.extra.UNDERLYING_NETWORK";

    /**

     * The NetworkCapabilities of the underlying network.

     *

     * @hide

     */

    public static final String EXTRA_UNDERLYING_NETWORK_CAPABILITIES =

            "android.net.extra.UNDERLYING_NETWORK_CAPABILITIES";

    /**

     * The LinkProperties of the underlying network.

     *

     * @hide

     */

    public static final String EXTRA_UNDERLYING_LINK_PROPERTIES =

            "android.net.extra.UNDERLYING_LINK_PROPERTIES";

    /**

     * A long timestamp with SystemClock.elapsedRealtime base for when the event happened.

     *

     * @hide

     */

    public static final String EXTRA_TIMESTAMP = "android.net.extra.TIMESTAMP";

    /**

     * Extra for the error type. This is ERROR_NOT_RECOVERABLE or ERROR_RECOVERABLE.

     *

     * @hide

     */

    public static final String EXTRA_ERROR_TYPE = "android.net.extra.ERROR_TYPE";

    /**

     * Extra for the error code. The value will be 0 for CATEGORY_ERROR_USER_DEACTIVATED, one of

     * ERROR_CODE_NETWORK_* for ERROR_CATEGORY_NETWORK or one of values defined in

     * IkeProtocolException#ErrorType for CATEGORY_ERROR_IKE.

     *

     * @hide

     */

    public static final String EXTRA_ERROR_CODE = "android.net.extra.ERROR_CODE";

    /**

     * This error is fatal, e.g. the VPN was disabled or configuration error. The stack will not

     * retry connection.

     *

     * @hide

     */

    public static final int ERROR_NOT_RECOVERABLE = 1;

    /**

     * The stack experienced an error but will retry with exponential backoff, e.g. network timeout.

     *

     * @hide

     */

    public static final int ERROR_RECOVERABLE = 2;

    /**

     * An error code to indicate that there was an UnknownHostException.

     *

     * @hide

     */

    public static final int ERROR_CODE_NETWORK_UNKNOWN_HOST = 0;

    /**

     * An error code to indicate that there is a SocketTimeoutException.

     *

     * @hide

     */

    public static final int ERROR_CODE_NETWORK_TIMEOUT = 1;

    /**

     * An error code to indicate that the connection is refused.

     *

     * @hide

     */

    public static final int ERROR_CODE_NETWORK_CONNECT = 2;

    /**

     * An error code to indicate the connection was reset. (e.g. SocketException)

     *

     * @hide

     */

    public static final int ERROR_CODE_NETWORK_CONNECTION_RESET = 3;

    /**

     * An error code to indicate that there is an IOException.

     *

     * @hide

     */

    public static final int ERROR_CODE_NETWORK_IO = 4;

    /** @hide */

    @IntDef(value = {TYPE_VPN_NONE, TYPE_VPN_SERVICE, TYPE_VPN_PLATFORM, TYPE_VPN_LEGACY,

            TYPE_VPN_OEM})