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/*
* Copyright (C) 2013 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 android.os.Parcel;
import android.os.Parcelable;
/**
* Class that represents useful attributes of generic network links
* such as the upload/download throughput or packet error rate.
* Generally speaking, you should be dealing with instances of
* LinkInfo subclasses, such as {@link android.net.#WifiLinkInfo}
* or {@link android.net.#MobileLinkInfo} which provide additional
* information.
* @hide
*/
public class LinkInfo implements Parcelable
{
public static final int UNKNOWN = -1;
public static final int NORMALIZED_MIN_SIGNAL_STRENGTH = 0;
public static final int NORMALIZED_MAX_SIGNAL_STRENGTH = 99;
public static final int NORMALIZED_SIGNAL_STRENGTH_RANGE = NORMALIZED_MAX_SIGNAL_STRENGTH + 1;
/* Network type as defined by ConnectivityManager */
public int mNetworkType = ConnectivityManager.TYPE_NONE;
public int mNormalizedSignalStrength = UNKNOWN;
public long mPacketCount = UNKNOWN;
public long mPacketErrorCount = UNKNOWN;
public int mTheoreticalTxBandwidth = UNKNOWN;
public int mTheoreticalRxBandwidth = UNKNOWN;
public int mTheoreticalLatency = UNKNOWN;
/* Timestamp when last sample was made available */
public long mLastDataSampleTime = UNKNOWN;
/* Sample duration in millisecond */
public int mDataSampleDuration = UNKNOWN;
public LinkInfo() {
}
/**
* Implement the Parcelable interface
* @hide
*/
public int describeContents() {
return 0;
}
/**
* Implement the Parcelable interface.
*/
protected static final int OBJECT_TYPE_LINKINFO = 1;
protected static final int OBJECT_TYPE_WIFI_LINKINFO = 2;
protected static final int OBJECT_TYPE_MOBILE_LINKINFO = 3;
public void writeToParcel(Parcel dest, int flags) {
writeToParcel(dest, flags, OBJECT_TYPE_LINKINFO);
}
public void writeToParcel(Parcel dest, int flags, int objectType) {
dest.writeInt(objectType);
dest.writeInt(mNetworkType);
dest.writeInt(mNormalizedSignalStrength);
dest.writeLong(mPacketCount);
dest.writeLong(mPacketErrorCount);
dest.writeInt(mTheoreticalTxBandwidth);
dest.writeInt(mTheoreticalRxBandwidth);
dest.writeInt(mTheoreticalLatency);
dest.writeLong(mLastDataSampleTime);
dest.writeInt(mDataSampleDuration);
}
public static final Creator<LinkInfo> CREATOR =
new Creator<LinkInfo>() {
public LinkInfo createFromParcel(Parcel in) {
int objectType = in.readInt();
if (objectType == OBJECT_TYPE_LINKINFO) {
LinkInfo li = new LinkInfo();
li.initializeFromParcel(in);
return li;
} else if (objectType == OBJECT_TYPE_WIFI_LINKINFO) {
return WifiLinkInfo.createFromParcelBody(in);
} else if (objectType == OBJECT_TYPE_MOBILE_LINKINFO) {
return MobileLinkInfo.createFromParcelBody(in);
} else {
return null;
}
}
public LinkInfo[] newArray(int size) {
return new LinkInfo[size];
}
};
protected void initializeFromParcel(Parcel in) {
mNetworkType = in.readInt();
mNormalizedSignalStrength = in.readInt();
mPacketCount = in.readLong();
mPacketErrorCount = in.readLong();
mTheoreticalTxBandwidth = in.readInt();
mTheoreticalRxBandwidth = in.readInt();
mTheoreticalLatency = in.readInt();
mLastDataSampleTime = in.readLong();
mDataSampleDuration = in.readInt();
}
}
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