| /* |
| * Copyright (C) 2016 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.net.metrics; |
| |
| import android.annotation.NonNull; |
| import android.annotation.SystemApi; |
| import android.annotation.TestApi; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| /** |
| * An event logged when the APF packet socket receives an RA packet. |
| * {@hide} |
| */ |
| @SystemApi |
| @TestApi |
| public final class RaEvent implements IpConnectivityLog.Event { |
| |
| private static final long NO_LIFETIME = -1L; |
| |
| // Lifetime in seconds of options found in a single RA packet. |
| // When an option is not set, the value of the associated field is -1; |
| /** @hide */ |
| public final long routerLifetime; |
| /** @hide */ |
| public final long prefixValidLifetime; |
| /** @hide */ |
| public final long prefixPreferredLifetime; |
| /** @hide */ |
| public final long routeInfoLifetime; |
| /** @hide */ |
| public final long rdnssLifetime; |
| /** @hide */ |
| public final long dnsslLifetime; |
| |
| /** @hide */ |
| public RaEvent(long routerLifetime, long prefixValidLifetime, long prefixPreferredLifetime, |
| long routeInfoLifetime, long rdnssLifetime, long dnsslLifetime) { |
| this.routerLifetime = routerLifetime; |
| this.prefixValidLifetime = prefixValidLifetime; |
| this.prefixPreferredLifetime = prefixPreferredLifetime; |
| this.routeInfoLifetime = routeInfoLifetime; |
| this.rdnssLifetime = rdnssLifetime; |
| this.dnsslLifetime = dnsslLifetime; |
| } |
| |
| /** @hide */ |
| private RaEvent(Parcel in) { |
| routerLifetime = in.readLong(); |
| prefixValidLifetime = in.readLong(); |
| prefixPreferredLifetime = in.readLong(); |
| routeInfoLifetime = in.readLong(); |
| rdnssLifetime = in.readLong(); |
| dnsslLifetime = in.readLong(); |
| } |
| |
| /** @hide */ |
| @Override |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeLong(routerLifetime); |
| out.writeLong(prefixValidLifetime); |
| out.writeLong(prefixPreferredLifetime); |
| out.writeLong(routeInfoLifetime); |
| out.writeLong(rdnssLifetime); |
| out.writeLong(dnsslLifetime); |
| } |
| |
| /** @hide */ |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public String toString() { |
| return new StringBuilder("RaEvent(lifetimes: ") |
| .append(String.format("router=%ds, ", routerLifetime)) |
| .append(String.format("prefix_valid=%ds, ", prefixValidLifetime)) |
| .append(String.format("prefix_preferred=%ds, ", prefixPreferredLifetime)) |
| .append(String.format("route_info=%ds, ", routeInfoLifetime)) |
| .append(String.format("rdnss=%ds, ", rdnssLifetime)) |
| .append(String.format("dnssl=%ds)", dnsslLifetime)) |
| .toString(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == null || !(obj.getClass().equals(RaEvent.class))) return false; |
| final RaEvent other = (RaEvent) obj; |
| return routerLifetime == other.routerLifetime |
| && prefixValidLifetime == other.prefixValidLifetime |
| && prefixPreferredLifetime == other.prefixPreferredLifetime |
| && routeInfoLifetime == other.routeInfoLifetime |
| && rdnssLifetime == other.rdnssLifetime |
| && dnsslLifetime == other.dnsslLifetime; |
| } |
| |
| /** @hide */ |
| public static final Parcelable.Creator<RaEvent> CREATOR = new Parcelable.Creator<RaEvent>() { |
| public RaEvent createFromParcel(Parcel in) { |
| return new RaEvent(in); |
| } |
| |
| public RaEvent[] newArray(int size) { |
| return new RaEvent[size]; |
| } |
| }; |
| |
| public static final class Builder { |
| |
| long routerLifetime = NO_LIFETIME; |
| long prefixValidLifetime = NO_LIFETIME; |
| long prefixPreferredLifetime = NO_LIFETIME; |
| long routeInfoLifetime = NO_LIFETIME; |
| long rdnssLifetime = NO_LIFETIME; |
| long dnsslLifetime = NO_LIFETIME; |
| |
| public Builder() { |
| } |
| |
| public @NonNull RaEvent build() { |
| return new RaEvent(routerLifetime, prefixValidLifetime, prefixPreferredLifetime, |
| routeInfoLifetime, rdnssLifetime, dnsslLifetime); |
| } |
| |
| public @NonNull Builder updateRouterLifetime(long lifetime) { |
| routerLifetime = updateLifetime(routerLifetime, lifetime); |
| return this; |
| } |
| |
| public @NonNull Builder updatePrefixValidLifetime(long lifetime) { |
| prefixValidLifetime = updateLifetime(prefixValidLifetime, lifetime); |
| return this; |
| } |
| |
| public @NonNull Builder updatePrefixPreferredLifetime(long lifetime) { |
| prefixPreferredLifetime = updateLifetime(prefixPreferredLifetime, lifetime); |
| return this; |
| } |
| |
| public @NonNull Builder updateRouteInfoLifetime(long lifetime) { |
| routeInfoLifetime = updateLifetime(routeInfoLifetime, lifetime); |
| return this; |
| } |
| |
| public @NonNull Builder updateRdnssLifetime(long lifetime) { |
| rdnssLifetime = updateLifetime(rdnssLifetime, lifetime); |
| return this; |
| } |
| |
| public @NonNull Builder updateDnsslLifetime(long lifetime) { |
| dnsslLifetime = updateLifetime(dnsslLifetime, lifetime); |
| return this; |
| } |
| |
| private long updateLifetime(long currentLifetime, long newLifetime) { |
| if (currentLifetime == RaEvent.NO_LIFETIME) { |
| return newLifetime; |
| } |
| return Math.min(currentLifetime, newLifetime); |
| } |
| } |
| } |