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/*
* Copyright (C) 2008 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.wifi;
import android.os.Parcelable;
import android.os.Parcel;
/**
* Describes information about a detected access point. In addition
* to the attributes described here, the supplicant keeps track of
* {@code quality}, {@code noise}, and {@code maxbitrate} attributes,
* but does not currently report them to external clients.
*/
public class ScanResult implements Parcelable {
/** The network name. */
public String SSID;
/** Ascii encoded SSID. This will replace SSID when we deprecate it. @hide */
public WifiSsid wifiSsid;
/** The address of the access point. */
public String BSSID;
/**
* Describes the authentication, key management, and encryption schemes
* supported by the access point.
*/
public String capabilities;
/**
* The detected signal level in dBm. At least those are the units used by
* the TI driver.
*/
public int level;
/**
* The frequency in MHz of the channel over which the client is communicating
* with the access point.
*/
public int frequency;
/**
* Time Synchronization Function (tsf) timestamp in microseconds when
* this result was last seen.
*/
public long timestamp;
/** {@hide} */
public ScanResult(WifiSsid wifiSsid, String BSSID, String caps, int level, int frequency,
long tsf) {
this.wifiSsid = wifiSsid;
this.SSID = (wifiSsid != null) ? wifiSsid.toString() : WifiSsid.NONE;
this.BSSID = BSSID;
this.capabilities = caps;
this.level = level;
this.frequency = frequency;
this.timestamp = tsf;
}
/** copy constructor {@hide} */
public ScanResult(ScanResult source) {
if (source != null) {
wifiSsid = source.wifiSsid;
SSID = source.SSID;
BSSID = source.BSSID;
capabilities = source.capabilities;
level = source.level;
frequency = source.frequency;
timestamp = source.timestamp;
}
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer();
String none = "<none>";
sb.append("SSID: ").
append(wifiSsid == null ? WifiSsid.NONE : wifiSsid).
append(", BSSID: ").
append(BSSID == null ? none : BSSID).
append(", capabilities: ").
append(capabilities == null ? none : capabilities).
append(", level: ").
append(level).
append(", frequency: ").
append(frequency).
append(", timestamp: ").
append(timestamp);
return sb.toString();
}
/** Implement the Parcelable interface {@hide} */
public int describeContents() {
return 0;
}
/** Implement the Parcelable interface {@hide} */
public void writeToParcel(Parcel dest, int flags) {
if (wifiSsid != null) {
dest.writeInt(1);
wifiSsid.writeToParcel(dest, flags);
} else {
dest.writeInt(0);
}
dest.writeString(BSSID);
dest.writeString(capabilities);
dest.writeInt(level);
dest.writeInt(frequency);
dest.writeLong(timestamp);
}
/** Implement the Parcelable interface {@hide} */
public static final Creator<ScanResult> CREATOR =
new Creator<ScanResult>() {
public ScanResult createFromParcel(Parcel in) {
WifiSsid wifiSsid = null;
if (in.readInt() == 1) {
wifiSsid = WifiSsid.CREATOR.createFromParcel(in);
}
return new ScanResult(
wifiSsid,
in.readString(),
in.readString(),
in.readInt(),
in.readInt(),
in.readLong()
);
}
public ScanResult[] newArray(int size) {
return new ScanResult[size];
}
};
}
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