/*
 * Copyright (C) 2015 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 android.system;

import dalvik.annotation.compat.UnsupportedAppUsage;
import libcore.util.Objects;
import java.net.SocketAddress;

/**
 * Netlink socket address.
 *
 * Corresponds to Linux's {@code struct sockaddr_nl} from
 * <a href="https://github.com/torvalds/linux/blob/master/include/uapi/linux/netlink.h">&lt;linux/netlink.h&gt;</a>.
 *
 * @hide
 */
@libcore.api.CorePlatformApi
public final class NetlinkSocketAddress extends SocketAddress {
    /** port ID */
    private final int nlPortId;

    /** multicast groups mask */
    private final int nlGroupsMask;

    public NetlinkSocketAddress() {
        this(0, 0);
    }

    public NetlinkSocketAddress(int nlPortId) {
        this(nlPortId, 0);
    }

    @UnsupportedAppUsage
    @libcore.api.CorePlatformApi
    public NetlinkSocketAddress(int nlPortId, int nlGroupsMask) {
        this.nlPortId = nlPortId;
        this.nlGroupsMask = nlGroupsMask;
    }

    @libcore.api.CorePlatformApi
    public int getPortId() {
        return nlPortId;
    }

    @libcore.api.CorePlatformApi
    public int getGroupsMask() {
        return nlGroupsMask;
    }

    @Override public String toString() {
      return Objects.toString(this);
    }
}