Wifi: Add AP wifi technology to ScanResult
This CL adds to ScanResult structure information about the Wifi
technology.
Bug: 143382822
Test: atest com.android.wifi.server
Change-Id: Ibe1d30e2efc4693be22148443b26446b90d89179
diff --git a/api/current.txt b/api/current.txt
index c68c29c..a8dda67 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -29786,6 +29786,7 @@
public class ScanResult implements android.os.Parcelable {
method public int describeContents();
+ method public int getWifiStandard();
method public boolean is80211mcResponder();
method public boolean isPasspointNetwork();
method public void writeToParcel(android.os.Parcel, int);
@@ -29796,6 +29797,11 @@
field public static final int CHANNEL_WIDTH_80MHZ = 2; // 0x2
field public static final int CHANNEL_WIDTH_80MHZ_PLUS_MHZ = 4; // 0x4
field public String SSID;
+ field public static final int WIFI_STANDARD_11AC = 5; // 0x5
+ field public static final int WIFI_STANDARD_11AX = 6; // 0x6
+ field public static final int WIFI_STANDARD_11N = 4; // 0x4
+ field public static final int WIFI_STANDARD_LEGACY = 1; // 0x1
+ field public static final int WIFI_STANDARD_UNKNOWN = 0; // 0x0
field public String capabilities;
field public int centerFreq0;
field public int centerFreq1;
@@ -29997,11 +30003,6 @@
field public static final String FREQUENCY_UNITS = "MHz";
field public static final String LINK_SPEED_UNITS = "Mbps";
field public static final int LINK_SPEED_UNKNOWN = -1; // 0xffffffff
- field public static final int WIFI_STANDARD_11AC = 5; // 0x5
- field public static final int WIFI_STANDARD_11AX = 6; // 0x6
- field public static final int WIFI_STANDARD_11N = 4; // 0x4
- field public static final int WIFI_STANDARD_LEGACY = 1; // 0x1
- field public static final int WIFI_STANDARD_UNKNOWN = 0; // 0x0
}
public class WifiManager {
diff --git a/wifi/java/android/net/wifi/ScanResult.java b/wifi/java/android/net/wifi/ScanResult.java
index ac86778..aa895a6 100644
--- a/wifi/java/android/net/wifi/ScanResult.java
+++ b/wifi/java/android/net/wifi/ScanResult.java
@@ -16,11 +16,15 @@
package android.net.wifi;
+import android.annotation.IntDef;
+import android.annotation.Nullable;
import android.annotation.SystemApi;
import android.annotation.UnsupportedAppUsage;
import android.os.Parcel;
import android.os.Parcelable;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
@@ -223,11 +227,86 @@
*/
public static final int CHANNEL_WIDTH_80MHZ_PLUS_MHZ = 4;
- /**
- * AP Channel bandwidth; one of {@link #CHANNEL_WIDTH_20MHZ}, {@link #CHANNEL_WIDTH_40MHZ},
- * {@link #CHANNEL_WIDTH_80MHZ}, {@link #CHANNEL_WIDTH_160MHZ}
- * or {@link #CHANNEL_WIDTH_80MHZ_PLUS_MHZ}.
- */
+ /**
+ * Wi-Fi unknown standard
+ */
+ public static final int WIFI_STANDARD_UNKNOWN = 0;
+
+ /**
+ * Wi-Fi 802.11a/b/g
+ */
+ public static final int WIFI_STANDARD_LEGACY = 1;
+
+ /**
+ * Wi-Fi 802.11n
+ */
+ public static final int WIFI_STANDARD_11N = 4;
+
+ /**
+ * Wi-Fi 802.11ac
+ */
+ public static final int WIFI_STANDARD_11AC = 5;
+
+ /**
+ * Wi-Fi 802.11ax
+ */
+ public static final int WIFI_STANDARD_11AX = 6;
+
+ /** @hide */
+ @IntDef(prefix = { "WIFI_STANDARD_" }, value = {
+ WIFI_STANDARD_UNKNOWN,
+ WIFI_STANDARD_LEGACY,
+ WIFI_STANDARD_11N,
+ WIFI_STANDARD_11AC,
+ WIFI_STANDARD_11AX
+ })
+ @Retention(RetentionPolicy.SOURCE)
+ public @interface WifiStandard{}
+
+ /**
+ * AP wifi standard.
+ */
+ private @WifiStandard int mWifiStandard;
+
+ /**
+ * return the AP wifi standard.
+ */
+ public @WifiStandard int getWifiStandard() {
+ return mWifiStandard;
+ }
+
+ /**
+ * sets the AP wifi standard.
+ * @hide
+ */
+ public void setWifiStandard(@WifiStandard int standard) {
+ mWifiStandard = standard;
+ }
+
+ /**
+ * Convert Wi-Fi standard to string
+ */
+ private static @Nullable String wifiStandardToString(@WifiStandard int standard) {
+ switch(standard) {
+ case WIFI_STANDARD_LEGACY:
+ return "legacy";
+ case WIFI_STANDARD_11N:
+ return "11n";
+ case WIFI_STANDARD_11AC:
+ return "11ac";
+ case WIFI_STANDARD_11AX:
+ return "11ax";
+ case WIFI_STANDARD_UNKNOWN:
+ return "unknown";
+ }
+ return null;
+ }
+
+ /**
+ * AP Channel bandwidth; one of {@link #CHANNEL_WIDTH_20MHZ}, {@link #CHANNEL_WIDTH_40MHZ},
+ * {@link #CHANNEL_WIDTH_80MHZ}, {@link #CHANNEL_WIDTH_160MHZ}
+ * or {@link #CHANNEL_WIDTH_80MHZ_PLUS_MHZ}.
+ */
public int channelWidth;
/**
@@ -549,6 +628,7 @@
this.carrierApEapType = UNSPECIFIED;
this.carrierName = null;
this.radioChainInfos = null;
+ this.mWifiStandard = WIFI_STANDARD_UNKNOWN;
}
/** {@hide} */
@@ -571,6 +651,7 @@
this.carrierApEapType = UNSPECIFIED;
this.carrierName = null;
this.radioChainInfos = null;
+ this.mWifiStandard = WIFI_STANDARD_UNKNOWN;
}
/** {@hide} */
@@ -600,6 +681,7 @@
this.carrierApEapType = UNSPECIFIED;
this.carrierName = null;
this.radioChainInfos = null;
+ this.mWifiStandard = WIFI_STANDARD_UNKNOWN;
}
/** {@hide} */
@@ -641,6 +723,7 @@
carrierApEapType = source.carrierApEapType;
carrierName = source.carrierName;
radioChainInfos = source.radioChainInfos;
+ this.mWifiStandard = source.mWifiStandard;
}
}
@@ -679,6 +762,7 @@
sb.append(", ChannelBandwidth: ").append(channelWidth);
sb.append(", centerFreq0: ").append(centerFreq0);
sb.append(", centerFreq1: ").append(centerFreq1);
+ sb.append(", standard: ").append(wifiStandardToString(mWifiStandard));
sb.append(", 80211mcResponder: ");
sb.append(((flags & FLAG_80211mc_RESPONDER) != 0) ? "is supported" : "is not supported");
sb.append(", Carrier AP: ").append(isCarrierAp ? "yes" : "no");
@@ -714,6 +798,7 @@
dest.writeInt(channelWidth);
dest.writeInt(centerFreq0);
dest.writeInt(centerFreq1);
+ dest.writeInt(mWifiStandard);
dest.writeLong(seen);
dest.writeInt(untrusted ? 1 : 0);
dest.writeInt(numUsage);
@@ -796,6 +881,7 @@
fixed with flags below */
);
+ sr.mWifiStandard = in.readInt();
sr.seen = in.readLong();
sr.untrusted = in.readInt() != 0;
sr.numUsage = in.readInt();
diff --git a/wifi/java/android/net/wifi/WifiInfo.java b/wifi/java/android/net/wifi/WifiInfo.java
index 9de39ed..86e5122 100644
--- a/wifi/java/android/net/wifi/WifiInfo.java
+++ b/wifi/java/android/net/wifi/WifiInfo.java
@@ -16,7 +16,6 @@
package android.net.wifi;
-import android.annotation.IntDef;
import android.annotation.IntRange;
import android.annotation.Nullable;
import android.annotation.SystemApi;
@@ -28,8 +27,6 @@
import android.os.Parcelable;
import android.text.TextUtils;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
@@ -99,45 +96,9 @@
private int mRssi;
/**
- * Wi-Fi unknown standard
- */
- public static final int WIFI_STANDARD_UNKNOWN = 0;
-
- /**
- * Wi-Fi 802.11a/b/g
- */
- public static final int WIFI_STANDARD_LEGACY = 1;
-
- /**
- * Wi-Fi 802.11n
- */
- public static final int WIFI_STANDARD_11N = 4;
-
- /**
- * Wi-Fi 802.11ac
- */
- public static final int WIFI_STANDARD_11AC = 5;
-
- /**
- * Wi-Fi 802.11ax
- */
- public static final int WIFI_STANDARD_11AX = 6;
-
- /** @hide */
- @IntDef(prefix = { "WIFI_STANDARD_" }, value = {
- WIFI_STANDARD_UNKNOWN,
- WIFI_STANDARD_LEGACY,
- WIFI_STANDARD_11N,
- WIFI_STANDARD_11AC,
- WIFI_STANDARD_11AX
- })
- @Retention(RetentionPolicy.SOURCE)
- public @interface WifiStandard{}
-
- /**
* Wi-Fi standard for the connection
*/
- private @WifiStandard int mWifiStandard;
+ private @ScanResult.WifiStandard int mWifiStandard;
/**
* The unit in which links speeds are expressed.
@@ -422,7 +383,7 @@
* Sets the Wi-Fi standard
* @hide
*/
- public void setWifiStandard(@WifiStandard int wifiStandard) {
+ public void setWifiStandard(@ScanResult.WifiStandard int wifiStandard) {
mWifiStandard = wifiStandard;
}
@@ -430,7 +391,7 @@
* Get connection Wi-Fi standard
* @return the connection Wi-Fi standard
*/
- public @WifiStandard int getWifiStandard() {
+ public @ScanResult.WifiStandard int getWifiStandard() {
return mWifiStandard;
}
diff --git a/wifi/tests/src/android/net/wifi/ScanResultTest.java b/wifi/tests/src/android/net/wifi/ScanResultTest.java
index 4973c4c..b5c74d1 100644
--- a/wifi/tests/src/android/net/wifi/ScanResultTest.java
+++ b/wifi/tests/src/android/net/wifi/ScanResultTest.java
@@ -42,6 +42,8 @@
public static final int TEST_LEVEL = -56;
public static final int TEST_FREQUENCY = 2412;
public static final long TEST_TSF = 04660l;
+ public static final @ScanResult.WifiStandard int TEST_WIFI_STANDARD =
+ ScanResult.WIFI_STANDARD_11AC;
/**
* Setup before tests.
@@ -149,12 +151,14 @@
@Test
public void verifyScanResultToStringWithoutRadioChainInfo() throws Exception {
ScanResult scanResult = createScanResult();
- assertEquals("SSID: \"test_ssid\", BSSID: 04:ac:fe:45:34:10, capabilities: CCMP, " +
- "level: -56, frequency: 2412, timestamp: 2480, distance: 0(cm), distanceSd: 0(cm), " +
- "passpoint: no, ChannelBandwidth: 0, centerFreq0: 0, centerFreq1: 0, " +
- "80211mcResponder: is not supported, Carrier AP: no, " +
- "Carrier AP EAP Type: 0, Carrier name: null, " +
- "Radio Chain Infos: null", scanResult.toString());
+ assertEquals("SSID: \"test_ssid\", BSSID: 04:ac:fe:45:34:10, capabilities: CCMP, "
+ + "level: -56, frequency: 2412, timestamp: 2480, "
+ + "distance: 0(cm), distanceSd: 0(cm), "
+ + "passpoint: no, ChannelBandwidth: 0, centerFreq0: 0, centerFreq1: 0, "
+ + "standard: 11ac, "
+ + "80211mcResponder: is not supported, Carrier AP: no, "
+ + "Carrier AP EAP Type: 0, Carrier name: null, "
+ + "Radio Chain Infos: null", scanResult.toString());
}
/**
@@ -170,13 +174,15 @@
scanResult.radioChainInfos[1] = new ScanResult.RadioChainInfo();
scanResult.radioChainInfos[1].id = 1;
scanResult.radioChainInfos[1].level = -54;
- assertEquals("SSID: \"test_ssid\", BSSID: 04:ac:fe:45:34:10, capabilities: CCMP, " +
- "level: -56, frequency: 2412, timestamp: 2480, distance: 0(cm), distanceSd: 0(cm), " +
- "passpoint: no, ChannelBandwidth: 0, centerFreq0: 0, centerFreq1: 0, " +
- "80211mcResponder: is not supported, Carrier AP: no, " +
- "Carrier AP EAP Type: 0, Carrier name: null, " +
- "Radio Chain Infos: [RadioChainInfo: id=0, level=-45, " +
- "RadioChainInfo: id=1, level=-54]", scanResult.toString());
+ assertEquals("SSID: \"test_ssid\", BSSID: 04:ac:fe:45:34:10, capabilities: CCMP, "
+ + "level: -56, frequency: 2412, timestamp: 2480, distance: 0(cm), "
+ + "distanceSd: 0(cm), "
+ + "passpoint: no, ChannelBandwidth: 0, centerFreq0: 0, centerFreq1: 0, "
+ + "standard: 11ac, "
+ + "80211mcResponder: is not supported, Carrier AP: no, "
+ + "Carrier AP EAP Type: 0, Carrier name: null, "
+ + "Radio Chain Infos: [RadioChainInfo: id=0, level=-45, "
+ + "RadioChainInfo: id=1, level=-54]", scanResult.toString());
}
/**
@@ -197,6 +203,7 @@
result.level = TEST_LEVEL;
result.frequency = TEST_FREQUENCY;
result.timestamp = TEST_TSF;
+ result.setWifiStandard(TEST_WIFI_STANDARD);
return result;
}
@@ -207,6 +214,7 @@
assertEquals(expected.level, actual.level);
assertEquals(expected.frequency, actual.frequency);
assertEquals(expected.timestamp, actual.timestamp);
+ assertEquals(expected.getWifiStandard(), actual.getWifiStandard());
assertArrayEquals(expected.radioChainInfos, actual.radioChainInfos);
assertArrayEquals(expected.informationElements, actual.informationElements);
}
diff --git a/wifi/tests/src/android/net/wifi/WifiInfoTest.java b/wifi/tests/src/android/net/wifi/WifiInfoTest.java
index b98cdc3..22a5faa 100644
--- a/wifi/tests/src/android/net/wifi/WifiInfoTest.java
+++ b/wifi/tests/src/android/net/wifi/WifiInfoTest.java
@@ -38,7 +38,7 @@
private static final String TEST_PACKAGE_NAME = "com.test.example";
private static final String TEST_FQDN = "test.com";
private static final String TEST_PROVIDER_NAME = "test";
- private static final int TEST_WIFI_STANDARD = WifiInfo.WIFI_STANDARD_11AC;
+ private static final int TEST_WIFI_STANDARD = ScanResult.WIFI_STANDARD_11AC;
/**
* Verify parcel write/read with WifiInfo.