| /* |
| * Copyright (C) 2011 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; |
| |
| import static com.android.internal.util.Preconditions.checkNotNull; |
| |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| import com.android.internal.util.Objects; |
| |
| /** |
| * Policy for networks matching a {@link NetworkTemplate}, including usage cycle |
| * and limits to be enforced. |
| * |
| * @hide |
| */ |
| public class NetworkPolicy implements Parcelable, Comparable<NetworkPolicy> { |
| public static final long WARNING_DISABLED = -1; |
| public static final long LIMIT_DISABLED = -1; |
| public static final long SNOOZE_NEVER = -1; |
| |
| public final NetworkTemplate template; |
| public int cycleDay; |
| public long warningBytes; |
| public long limitBytes; |
| public long lastSnooze; |
| public boolean metered; |
| |
| private static final long DEFAULT_MTU = 1500; |
| |
| public NetworkPolicy(NetworkTemplate template, int cycleDay, long warningBytes, long limitBytes, |
| long lastSnooze, boolean metered) { |
| this.template = checkNotNull(template, "missing NetworkTemplate"); |
| this.cycleDay = cycleDay; |
| this.warningBytes = warningBytes; |
| this.limitBytes = limitBytes; |
| this.lastSnooze = lastSnooze; |
| this.metered = metered; |
| } |
| |
| public NetworkPolicy(Parcel in) { |
| template = in.readParcelable(null); |
| cycleDay = in.readInt(); |
| warningBytes = in.readLong(); |
| limitBytes = in.readLong(); |
| lastSnooze = in.readLong(); |
| metered = in.readInt() != 0; |
| } |
| |
| /** {@inheritDoc} */ |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeParcelable(template, flags); |
| dest.writeInt(cycleDay); |
| dest.writeLong(warningBytes); |
| dest.writeLong(limitBytes); |
| dest.writeLong(lastSnooze); |
| dest.writeInt(metered ? 1 : 0); |
| } |
| |
| /** {@inheritDoc} */ |
| public int describeContents() { |
| return 0; |
| } |
| |
| /** |
| * Test if given measurement is near enough to {@link #limitBytes} to be |
| * considered over-limit. |
| */ |
| public boolean isOverLimit(long totalBytes) { |
| // over-estimate, since kernel will trigger limit once first packet |
| // trips over limit. |
| totalBytes += 2 * DEFAULT_MTU; |
| return limitBytes != LIMIT_DISABLED && totalBytes >= limitBytes; |
| } |
| |
| /** {@inheritDoc} */ |
| public int compareTo(NetworkPolicy another) { |
| if (another == null || another.limitBytes == LIMIT_DISABLED) { |
| // other value is missing or disabled; we win |
| return -1; |
| } |
| if (limitBytes == LIMIT_DISABLED || another.limitBytes < limitBytes) { |
| // we're disabled or other limit is smaller; they win |
| return 1; |
| } |
| return 0; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(template, cycleDay, warningBytes, limitBytes, lastSnooze, metered); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof NetworkPolicy) { |
| final NetworkPolicy other = (NetworkPolicy) obj; |
| return cycleDay == other.cycleDay && warningBytes == other.warningBytes |
| && limitBytes == other.limitBytes && lastSnooze == other.lastSnooze |
| && metered == other.metered && Objects.equal(template, other.template); |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return "NetworkPolicy[" + template + "]: cycleDay=" + cycleDay + ", warningBytes=" |
| + warningBytes + ", limitBytes=" + limitBytes + ", lastSnooze=" + lastSnooze |
| + ", metered=" + metered; |
| } |
| |
| public static final Creator<NetworkPolicy> CREATOR = new Creator<NetworkPolicy>() { |
| public NetworkPolicy createFromParcel(Parcel in) { |
| return new NetworkPolicy(in); |
| } |
| |
| public NetworkPolicy[] newArray(int size) { |
| return new NetworkPolicy[size]; |
| } |
| }; |
| } |