package android.net.wifi.rtt;
+import android.annotation.NonNull;
import android.net.wifi.ScanResult;
import android.net.wifi.aware.AttachCallback;
import android.net.wifi.aware.DiscoverySessionCallback;
import android.os.Handler;
import android.os.Parcel;
import android.os.Parcelable;
-import android.text.TextUtils;
-
-import libcore.util.HexEncoding;
import java.util.ArrayList;
-import java.util.Arrays;
import java.util.List;
-import java.util.Objects;
import java.util.StringJoiner;
/**
}
/** @hide */
- public final List<RttPeer> mRttPeers;
+ public final List<ResponderConfig> mRttPeers;
/** @hide */
- private RangingRequest(List<RttPeer> rttPeers) {
+ private RangingRequest(List<ResponderConfig> rttPeers) {
mRttPeers = rttPeers;
}
/** @hide */
@Override
public String toString() {
- StringJoiner sj = new StringJoiner(", ", "RangingRequest: mRttPeers=[", ",");
- for (RttPeer rp : mRttPeers) {
- sj.add(rp.toString());
+ StringJoiner sj = new StringJoiner(", ", "RangingRequest: mRttPeers=[", "]");
+ for (ResponderConfig rc : mRttPeers) {
+ sj.add(rc.toString());
}
return sj.toString();
}
"Ranging to too many peers requested. Use getMaxPeers() API to get limit.");
}
- for (RttPeer peer: mRttPeers) {
- if (peer instanceof RttPeerAp) {
- RttPeerAp apPeer = (RttPeerAp) peer;
- if (apPeer.scanResult == null || apPeer.scanResult.BSSID == null) {
- throw new IllegalArgumentException("Invalid AP peer specification");
- }
- } else if (peer instanceof RttPeerAware) {
- if (!awareSupported) {
- throw new IllegalArgumentException(
- "Request contains Aware peers - but Aware isn't supported on this "
- + "device");
- }
-
- RttPeerAware awarePeer = (RttPeerAware) peer;
- if (awarePeer.peerMacAddress == null && awarePeer.peerHandle == null) {
- throw new IllegalArgumentException("Invalid Aware peer specification");
- }
- } else {
- throw new IllegalArgumentException(
- "Request contains unknown peer specification types");
+ for (ResponderConfig peer: mRttPeers) {
+ if (!peer.isValid(awareSupported)) {
+ throw new IllegalArgumentException("Invalid Responder specification");
}
}
}
* Builder class used to construct {@link RangingRequest} objects.
*/
public static final class Builder {
- private List<RttPeer> mRttPeers = new ArrayList<>();
+ private List<ResponderConfig> mRttPeers = new ArrayList<>();
/**
* Add the device specified by the {@link ScanResult} to the list of devices with
- * which to measure range. The total number of results added to a request cannot exceed the
+ * which to measure range. The total number of peers added to a request cannot exceed the
* limit specified by {@link #getMaxPeers()}.
*
* @param apInfo Information of an Access Point (AP) obtained in a Scan Result.
* @return The builder to facilitate chaining
* {@code builder.setXXX(..).setXXX(..)}.
*/
- public Builder addAccessPoint(ScanResult apInfo) {
+ public Builder addAccessPoint(@NonNull ScanResult apInfo) {
if (apInfo == null) {
throw new IllegalArgumentException("Null ScanResult!");
}
- mRttPeers.add(new RttPeerAp(apInfo));
- return this;
+ return addResponder(ResponderConfig.fromScanResult(apInfo));
}
/**
* Add the devices specified by the {@link ScanResult}s to the list of devices with
- * which to measure range. The total number of results added to a request cannot exceed the
+ * which to measure range. The total number of peers added to a request cannot exceed the
* limit specified by {@link #getMaxPeers()}.
*
* @param apInfos Information of an Access Points (APs) obtained in a Scan Result.
* @return The builder to facilitate chaining
* {@code builder.setXXX(..).setXXX(..)}.
*/
- public Builder addAccessPoints(List<ScanResult> apInfos) {
+ public Builder addAccessPoints(@NonNull List<ScanResult> apInfos) {
if (apInfos == null) {
throw new IllegalArgumentException("Null list of ScanResults!");
}
* @param peerMacAddress The MAC address of the Wi-Fi Aware peer.
* @return The builder, to facilitate chaining {@code builder.setXXX(..).setXXX(..)}.
*/
- public Builder addWifiAwarePeer(byte[] peerMacAddress) {
- mRttPeers.add(new RttPeerAware(peerMacAddress));
- return this;
+ public Builder addWifiAwarePeer(@NonNull byte[] peerMacAddress) {
+ if (peerMacAddress == null) {
+ throw new IllegalArgumentException("Null peer MAC address");
+ }
+ return addResponder(
+ ResponderConfig.fromWifiAwarePeerMacAddressWithDefaults(peerMacAddress));
}
/**
* @param peerHandle The peer handler of the peer Wi-Fi Aware device.
* @return The builder, to facilitate chaining {@code builder.setXXX(..).setXXX(..)}.
*/
- public Builder addWifiAwarePeer(PeerHandle peerHandle) {
- mRttPeers.add(new RttPeerAware(peerHandle));
+ public Builder addWifiAwarePeer(@NonNull PeerHandle peerHandle) {
+ if (peerHandle == null) {
+ throw new IllegalArgumentException("Null peer handler (identifier)");
+ }
+
+ return addResponder(ResponderConfig.fromWifiAwarePeerHandleWithDefaults(peerHandle));
+ }
+
+ /*
+ * Add the Responder device specified by the {@link ResponderConfig} to the list of devices
+ * with which to measure range. The total number of peers added to the request cannot exceed
+ * the limit specified by {@link #getMaxPeers()}.
+ *
+ * @param responder Information on the RTT Responder.
+ * @return The builder, to facilitate chaining {@code builder.setXXX(..).setXXX(..)}.
+ *
+ * @hide (SystemApi)
+ */
+ public Builder addResponder(@NonNull ResponderConfig responder) {
+ if (responder == null) {
+ throw new IllegalArgumentException("Null Responder!");
+ }
+
+ mRttPeers.add(responder);
return this;
}
public int hashCode() {
return mRttPeers.hashCode();
}
-
- /** @hide */
- public interface RttPeer {
- // empty (marker interface)
- }
-
- /** @hide */
- public static class RttPeerAp implements RttPeer, Parcelable {
- public final ScanResult scanResult;
-
- public RttPeerAp(ScanResult scanResult) {
- this.scanResult = scanResult;
- }
-
- @Override
- public int describeContents() {
- return 0;
- }
-
- @Override
- public void writeToParcel(Parcel dest, int flags) {
- scanResult.writeToParcel(dest, flags);
- }
-
- public static final Creator<RttPeerAp> CREATOR = new Creator<RttPeerAp>() {
- @Override
- public RttPeerAp[] newArray(int size) {
- return new RttPeerAp[size];
- }
-
- @Override
- public RttPeerAp createFromParcel(Parcel in) {
- return new RttPeerAp(ScanResult.CREATOR.createFromParcel(in));
- }
- };
-
- @Override
- public String toString() {
- return new StringBuilder("RttPeerAp: scanResult=").append(
- scanResult.toString()).toString();
- }
-
- @Override
- public boolean equals(Object o) {
- if (this == o) {
- return true;
- }
-
- if (!(o instanceof RttPeerAp)) {
- return false;
- }
-
- RttPeerAp lhs = (RttPeerAp) o;
-
- // Note: the only thing which matters for the request identity is the BSSID of the AP
- return TextUtils.equals(scanResult.BSSID, lhs.scanResult.BSSID);
- }
-
- @Override
- public int hashCode() {
- return scanResult.hashCode();
- }
- }
-
- /** @hide */
- public static class RttPeerAware implements RttPeer, Parcelable {
- public PeerHandle peerHandle;
- public byte[] peerMacAddress;
-
- public RttPeerAware(PeerHandle peerHandle) {
- if (peerHandle == null) {
- throw new IllegalArgumentException("Null peerHandle");
- }
- this.peerHandle = peerHandle;
- peerMacAddress = null;
- }
-
- public RttPeerAware(byte[] peerMacAddress) {
- if (peerMacAddress == null) {
- throw new IllegalArgumentException("Null peerMacAddress");
- }
-
- this.peerMacAddress = peerMacAddress;
- peerHandle = null;
- }
-
- @Override
- public int describeContents() {
- return 0;
- }
-
- @Override
- public void writeToParcel(Parcel dest, int flags) {
- if (peerHandle == null) {
- dest.writeBoolean(false);
- dest.writeByteArray(peerMacAddress);
- } else {
- dest.writeBoolean(true);
- dest.writeInt(peerHandle.peerId);
- }
- }
-
- public static final Creator<RttPeerAware> CREATOR = new Creator<RttPeerAware>() {
- @Override
- public RttPeerAware[] newArray(int size) {
- return new RttPeerAware[size];
- }
-
- @Override
- public RttPeerAware createFromParcel(Parcel in) {
- boolean peerHandleAvail = in.readBoolean();
- if (peerHandleAvail) {
- return new RttPeerAware(new PeerHandle(in.readInt()));
- } else {
- return new RttPeerAware(in.createByteArray());
- }
- }
- };
-
- @Override
- public String toString() {
- return new StringBuilder("RttPeerAware: peerHandle=").append(
- peerHandle == null ? "<null>" : Integer.toString(peerHandle.peerId)).append(
- ", peerMacAddress=").append(peerMacAddress == null ? "<null>"
- : new String(HexEncoding.encode(peerMacAddress))).toString();
- }
-
- @Override
- public boolean equals(Object o) {
- if (this == o) {
- return true;
- }
-
- if (!(o instanceof RttPeerAware)) {
- return false;
- }
-
- RttPeerAware lhs = (RttPeerAware) o;
-
- return Objects.equals(peerHandle, lhs.peerHandle) && Arrays.equals(peerMacAddress,
- lhs.peerMacAddress);
- }
-
- @Override
- public int hashCode() {
- return Objects.hash(peerHandle.peerId, peerMacAddress);
- }
- }
}
--- /dev/null
+/*
+ * Copyright (C) 2017 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.rtt;
+
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.net.MacAddress;
+import android.net.wifi.ScanResult;
+import android.net.wifi.aware.PeerHandle;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import libcore.util.HexEncoding;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.Arrays;
+import java.util.Objects;
+
+/**
+ * Defines the configuration of an IEEE 802.11mc Responder. The Responder may be an Access Point
+ * (AP), a Wi-Fi Aware device, or a manually configured Responder.
+ * <p>
+ * A Responder configuration may be constructed from a {@link ScanResult} or manually (with the
+ * data obtained out-of-band from a peer).
+ *
+ * @hide (@SystemApi)
+ */
+public class ResponderConfig implements Parcelable {
+ /** @hide */
+ @IntDef({RESPONDER_AP, RESPONDER_STA, RESPONDER_P2P_GO, RESPONDER_P2P_CLIENT, RESPONDER_AWARE})
+ @Retention(RetentionPolicy.SOURCE)
+ public @interface ResponderType {
+ }
+
+ /**
+ * Responder is an AP.
+ */
+ public static final int RESPONDER_AP = 0;
+ /**
+ * Responder is a STA.
+ */
+ public static final int RESPONDER_STA = 1;
+ /**
+ * Responder is a Wi-Fi Direct Group Owner (GO).
+ */
+ public static final int RESPONDER_P2P_GO = 2;
+ /**
+ * Responder is a Wi-Fi Direct Group Client.
+ */
+ public static final int RESPONDER_P2P_CLIENT = 3;
+ /**
+ * Responder is a Wi-Fi Aware device.
+ */
+ public static final int RESPONDER_AWARE = 4;
+
+
+ /** @hide */
+ @IntDef({
+ CHANNEL_WIDTH_20MHZ, CHANNEL_WIDTH_40MHZ, CHANNEL_WIDTH_80MHZ, CHANNEL_WIDTH_160MHZ,
+ CHANNEL_WIDTH_80MHZ_PLUS_MHZ})
+ @Retention(RetentionPolicy.SOURCE)
+ public @interface ChannelWidth {
+ }
+
+ /**
+ * Channel bandwidth is 20 MHZ
+ */
+ public static final int CHANNEL_WIDTH_20MHZ = 0;
+ /**
+ * Channel bandwidth is 40 MHZ
+ */
+ public static final int CHANNEL_WIDTH_40MHZ = 1;
+ /**
+ * Channel bandwidth is 80 MHZ
+ */
+ public static final int CHANNEL_WIDTH_80MHZ = 2;
+ /**
+ * Channel bandwidth is 160 MHZ
+ */
+ public static final int CHANNEL_WIDTH_160MHZ = 3;
+ /**
+ * Channel bandwidth is 160 MHZ, but 80MHZ + 80MHZ
+ */
+ public static final int CHANNEL_WIDTH_80MHZ_PLUS_MHZ = 4;
+
+ /** @hide */
+ @IntDef({PREAMBLE_LEGACY, PREAMBLE_HT, PREAMBLE_VHT})
+ @Retention(RetentionPolicy.SOURCE)
+ public @interface PreambleType {
+ }
+
+ /**
+ * Preamble type: Legacy.
+ */
+ public static final int PREAMBLE_LEGACY = 0;
+
+ /**
+ * Preamble type: HT.
+ */
+ public static final int PREAMBLE_HT = 1;
+
+ /**
+ * Preamble type: VHT.
+ */
+ public static final int PREAMBLE_VHT = 2;
+
+
+ /**
+ * The MAC address of the Responder. Will be null if a Wi-Fi Aware peer identifier (the
+ * peerHandle field) ise used to identify the Responder.
+ * TODO: convert to MacAddress
+ */
+ public byte[] macAddress;
+
+ /**
+ * The peer identifier of a Wi-Fi Aware Responder. Will be null if a MAC Address (the macAddress
+ * field) is used to identify the Responder.
+ */
+ public final PeerHandle peerHandle;
+
+ /**
+ * The device type of the Responder.
+ */
+ public final int responderType;
+
+ /**
+ * Indicates whether the Responder device supports IEEE 802.11mc.
+ */
+ public final boolean supports80211mc;
+
+ /**
+ * Responder channel bandwidth, specified using {@link ChannelWidth}.
+ */
+ public final int channelWidth;
+
+ /**
+ * The primary 20 MHz frequency (in MHz) of the channel of the Responder.
+ */
+ public final int frequency;
+
+ /**
+ * Not used if the {@link #channelWidth} is 20 MHz. If the Responder uses 40, 80 or 160 MHz,
+ * this is the center frequency (in MHz), if the Responder uses 80 + 80 MHz, this is the
+ * center frequency of the first segment (in MHz).
+ */
+ public final int centerFreq0;
+
+ /**
+ * Only used if the {@link #channelWidth} is 80 + 80 MHz. If the Responder uses 80 + 80 MHz,
+ * this is the center frequency of the second segment (in MHz).
+ */
+ public final int centerFreq1;
+
+ /**
+ * The preamble used by the Responder, specified using {@link PreambleType}.
+ */
+ public final int preamble;
+
+ /**
+ * Constructs Responder configuration.
+ *
+ * @param macAddress The MAC address of the Responder.
+ * @param responderType The type of the responder device, specified using
+ * {@link ResponderType}.
+ * @param supports80211mc Indicates whether the responder supports IEEE 802.11mc.
+ * @param channelWidth Responder channel bandwidth, specified using {@link ChannelWidth}.
+ * @param frequency The primary 20 MHz frequency (in MHz) of the channel of the Responder.
+ * @param centerFreq0 Not used if the {@code channelWidth} is 20 MHz. If the Responder uses
+ * 40, 80 or 160 MHz, this is the center frequency (in MHz), if the
+ * Responder uses 80 + 80 MHz, this is the center frequency of the first
+ * segment (in MHz).
+ * @param centerFreq1 Only used if the {@code channelWidth} is 80 + 80 MHz. If the
+ * Responder
+ * uses 80 + 80 MHz, this is the center frequency of the second segment
+ * (in
+ * MHz).
+ * @param preamble The preamble used by the Responder, specified using
+ * {@link PreambleType}.
+ */
+ public ResponderConfig(@NonNull byte[] macAddress, @ResponderType int responderType,
+ boolean supports80211mc, @ChannelWidth int channelWidth, int frequency, int centerFreq0,
+ int centerFreq1, @PreambleType int preamble) {
+ this.macAddress = macAddress;
+ this.peerHandle = null;
+ this.responderType = responderType;
+ this.supports80211mc = supports80211mc;
+ this.channelWidth = channelWidth;
+ this.frequency = frequency;
+ this.centerFreq0 = centerFreq0;
+ this.centerFreq1 = centerFreq1;
+ this.preamble = preamble;
+ }
+
+ /**
+ * Constructs Responder configuration.
+ *
+ * @param peerHandle The Wi-Fi Aware peer identifier of the Responder.
+ * @param responderType The type of the responder device, specified using
+ * {@link ResponderType}.
+ * @param supports80211mc Indicates whether the responder supports IEEE 802.11mc.
+ * @param channelWidth Responder channel bandwidth, specified using {@link ChannelWidth}.
+ * @param frequency The primary 20 MHz frequency (in MHz) of the channel of the Responder.
+ * @param centerFreq0 Not used if the {@code channelWidth} is 20 MHz. If the Responder uses
+ * 40, 80 or 160 MHz, this is the center frequency (in MHz), if the
+ * Responder uses 80 + 80 MHz, this is the center frequency of the first
+ * segment (in MHz).
+ * @param centerFreq1 Only used if the {@code channelWidth} is 80 + 80 MHz. If the
+ * Responder
+ * uses 80 + 80 MHz, this is the center frequency of the second segment
+ * (in
+ * MHz).
+ * @param preamble The preamble used by the Responder, specified using
+ * {@link PreambleType}.
+ */
+ public ResponderConfig(@NonNull PeerHandle peerHandle, @ResponderType int responderType,
+ boolean supports80211mc, @ChannelWidth int channelWidth, int frequency, int centerFreq0,
+ int centerFreq1, @PreambleType int preamble) {
+ this.macAddress = null;
+ this.peerHandle = peerHandle;
+ this.responderType = responderType;
+ this.supports80211mc = supports80211mc;
+ this.channelWidth = channelWidth;
+ this.frequency = frequency;
+ this.centerFreq0 = centerFreq0;
+ this.centerFreq1 = centerFreq1;
+ this.preamble = preamble;
+ }
+
+ /**
+ * Creates a Responder configuration from a {@link ScanResult} corresponding to an Access
+ * Point (AP), which can be obtained from {@link android.net.wifi.WifiManager#getScanResults()}.
+ */
+ public static ResponderConfig fromScanResult(ScanResult scanResult) {
+ byte[] macAddress = new MacAddress(scanResult.BSSID).toByteArray();
+ int responderType = RESPONDER_AP;
+ boolean supports80211mc = scanResult.is80211mcResponder();
+ int channelWidth = translcateScanResultChannelWidth(scanResult.channelWidth);
+ int frequency = scanResult.frequency;
+ int centerFreq0 = scanResult.centerFreq0;
+ int centerFreq1 = scanResult.centerFreq1;
+
+ // TODO: b/68936111 - extract preamble info from IE
+ int preamble;
+ if (channelWidth == CHANNEL_WIDTH_80MHZ || channelWidth == CHANNEL_WIDTH_160MHZ) {
+ preamble = PREAMBLE_VHT;
+ } else {
+ preamble = PREAMBLE_HT;
+ }
+
+ return new ResponderConfig(macAddress, responderType, supports80211mc, channelWidth,
+ frequency, centerFreq0, centerFreq1, preamble);
+ }
+
+ /**
+ * Creates a Responder configuration from a MAC address corresponding to a Wi-Fi Aware
+ * Responder. The Responder parameters are set to defaults.
+ */
+ public static ResponderConfig fromWifiAwarePeerMacAddressWithDefaults(byte[] macAddress) {
+ // TODO b/67678464: determine "right" parameters or
+ return new ResponderConfig(macAddress, RESPONDER_AWARE, true, CHANNEL_WIDTH_80MHZ,
+ 5200, 5210, 0, PREAMBLE_VHT);
+ }
+
+ /**
+ * Creates a Responder configuration from a {@link PeerHandle} corresponding to a Wi-Fi Aware
+ * Responder. The Responder parameters are set to defaults.
+ */
+ public static ResponderConfig fromWifiAwarePeerHandleWithDefaults(PeerHandle peerHandle) {
+ // TODO b/67678464: determine "right" parameters or
+ return new ResponderConfig(peerHandle, RESPONDER_AWARE, true, CHANNEL_WIDTH_80MHZ,
+ 5200, 5210, 0, PREAMBLE_VHT);
+ }
+
+ /**
+ * Check whether the Responder configuration is valid.
+ *
+ * @return true if valid, false otherwise.
+ * @hide
+ */
+ public boolean isValid(boolean awareSupported) {
+ if (macAddress == null && peerHandle == null || macAddress != null && peerHandle != null) {
+ return false;
+ }
+ if (!awareSupported && responderType == RESPONDER_AWARE) {
+ return false;
+ }
+
+ return true;
+ }
+
+ @Override
+ public int describeContents() {
+ return 0;
+ }
+
+ @Override
+ public void writeToParcel(Parcel dest, int flags) {
+ dest.writeByteArray(macAddress);
+ if (peerHandle == null) {
+ dest.writeInt(0);
+ } else {
+ dest.writeInt(1);
+ dest.writeInt(peerHandle.peerId);
+ }
+ dest.writeInt(responderType);
+ dest.writeInt(supports80211mc ? 1 : 0);
+ dest.writeInt(channelWidth);
+ dest.writeInt(frequency);
+ dest.writeInt(centerFreq0);
+ dest.writeInt(centerFreq1);
+ dest.writeInt(preamble);
+ }
+
+ public static final Creator<ResponderConfig> CREATOR = new Creator<ResponderConfig>() {
+ @Override
+ public ResponderConfig[] newArray(int size) {
+ return new ResponderConfig[size];
+ }
+
+ @Override
+ public ResponderConfig createFromParcel(Parcel in) {
+ byte[] macAddress = in.createByteArray();
+ int peerHandleFlag = in.readInt();
+ PeerHandle peerHandle = null;
+ if (peerHandleFlag == 1) {
+ peerHandle = new PeerHandle(in.readInt());
+ }
+ int responderType = in.readInt();
+ boolean supports80211mc = in.readInt() == 1;
+ int channelWidth = in.readInt();
+ int frequency = in.readInt();
+ int centerFreq0 = in.readInt();
+ int centerFreq1 = in.readInt();
+ int preamble = in.readInt();
+
+ if (peerHandle == null) {
+ return new ResponderConfig(macAddress, responderType, supports80211mc, channelWidth,
+ frequency, centerFreq0, centerFreq1, preamble);
+ } else {
+ return new ResponderConfig(peerHandle, responderType, supports80211mc, channelWidth,
+ frequency, centerFreq0, centerFreq1, preamble);
+ }
+ }
+ };
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+
+ if (!(o instanceof ResponderConfig)) {
+ return false;
+ }
+
+ ResponderConfig lhs = (ResponderConfig) o;
+
+ return Arrays.equals(macAddress, lhs.macAddress) && Objects.equals(peerHandle,
+ lhs.peerHandle) && responderType == lhs.responderType
+ && supports80211mc == lhs.supports80211mc && channelWidth == lhs.channelWidth
+ && frequency == lhs.frequency && centerFreq0 == lhs.centerFreq0
+ && centerFreq1 == lhs.centerFreq1 && preamble == lhs.preamble;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(macAddress, peerHandle, responderType, supports80211mc, channelWidth,
+ frequency, centerFreq0, centerFreq1, preamble);
+ }
+
+ /** @hide */
+ @Override
+ public String toString() {
+ return new StringBuffer("ResponderConfig: macAddress=").append(
+ macAddress == null ? "<null>" : new String(HexEncoding.encode(macAddress))).append(
+ ", peerHandle=").append(peerHandle == null ? "<null>" : peerHandle.peerId).append(
+ ", responderType=").append(responderType).append(", supports80211mc=").append(
+ supports80211mc).append(", channelWidth=").append(channelWidth).append(
+ ", frequency=").append(frequency).append(", centerFreq0=").append(
+ centerFreq0).append(", centerFreq1=").append(centerFreq1).append(
+ ", preamble=").append(preamble).toString();
+ }
+
+ /** @hide */
+ static int translcateScanResultChannelWidth(int scanResultChannelWidth) {
+ switch (scanResultChannelWidth) {
+ case ScanResult.CHANNEL_WIDTH_20MHZ:
+ return CHANNEL_WIDTH_20MHZ;
+ case ScanResult.CHANNEL_WIDTH_40MHZ:
+ return CHANNEL_WIDTH_40MHZ;
+ case ScanResult.CHANNEL_WIDTH_80MHZ:
+ return CHANNEL_WIDTH_80MHZ;
+ case ScanResult.CHANNEL_WIDTH_160MHZ:
+ return CHANNEL_WIDTH_160MHZ;
+ case ScanResult.CHANNEL_WIDTH_80MHZ_PLUS_MHZ:
+ return CHANNEL_WIDTH_80MHZ_PLUS_MHZ;
+ default:
+ throw new IllegalArgumentException(
+ "translcateScanResultChannelWidth: bad " + scanResultChannelWidth);
+ }
+ }
+}
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