am 67b3fbf4: wifi: Get full scan results (93d6a297) · Commits · e / os / android_frameworks_base

wifi/java/android/net/wifi/WifiNative.java

+4 −2

Original line number	Diff line number	Diff line
		@@ -202,6 +202,7 @@ public class WifiNative {
		/**
		* Format of results:
		* =================
		* id=1
		* bssid=68:7f:74:d7:1b:6e
		* freq=2412
		* level=-43
		@@ -211,10 +212,11 @@ public class WifiNative {
		* ssid=zubyb
		*
		* RANGE=ALL gets all scan results
		* RANGE=ID- gets results from ID
		* MASK=<N> see wpa_supplicant/src/common/wpa_ctrl.h for details
		*/
		public String scanResults() {
		return doStringCommand("BSS RANGE=ALL MASK=0x1986");
		public String scanResults(int sid) {
		return doStringCommand("BSS RANGE=" + sid + "- MASK=0x1987");
		}

		public boolean startDriver() {

wifi/java/android/net/wifi/WifiStateMachine.java

+36 −4

Original line number	Diff line number	Diff line
		@@ -72,6 +72,7 @@ import android.os.WorkSource;
		import android.provider.Settings;
		import android.util.Log;
		import android.util.LruCache;
		import android.text.TextUtils;

		import com.android.internal.R;
		import com.android.internal.app.IBatteryStats;
		@@ -1369,6 +1370,7 @@ public class WifiStateMachine extends StateMachine {
		mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
		}

		private static final String ID_STR = "id=";
		private static final String BSSID_STR = "bssid=";
		private static final String FREQ_STR = "freq=";
		private static final String LEVEL_STR = "level=";
		@@ -1376,8 +1378,12 @@ public class WifiStateMachine extends StateMachine {
		private static final String FLAGS_STR = "flags=";
		private static final String SSID_STR = "ssid=";
		private static final String DELIMITER_STR = "====";
		private static final int SCAN_BUF_RANGE = 3900;

		/**
		* Format:
		*
		* id=1
		* bssid=68:7f:76:d7:1a:6e
		* freq=2412
		* level=-44
		@@ -1385,6 +1391,7 @@ public class WifiStateMachine extends StateMachine {
		* flags=[WPA2-PSK-CCMP][WPS][ESS]
		* ssid=zfdy
		* ====
		* id=2
		* bssid=68:5f:74:d7:1a:6f
		* freq=5180
		* level=-73
		@@ -1393,15 +1400,40 @@ public class WifiStateMachine extends StateMachine {
		* ssid=zuby
		* ====
		*/
		private void setScanResults(String scanResults) {
		private void setScanResults() {
		String bssid = "";
		int level = 0;
		int freq = 0;
		long tsf = 0;
		String flags = "";
		WifiSsid wifiSsid = null;
		String scanResults;
		String tmpResults;
		StringBuffer scanResultsBuf = new StringBuffer();
		int sid = 0;

		while (true) {
		tmpResults = mWifiNative.scanResults(sid);
		if (TextUtils.isEmpty(tmpResults)) break;
		scanResultsBuf.append(tmpResults);
		if (tmpResults.length() < SCAN_BUF_RANGE) break;
		String[] lines = tmpResults.split("\n");
		sid = -1;
		for (int i=lines.length - 1; i >= 0; i--) {
		if (lines[i].startsWith(ID_STR)) {
		try {
		sid = Integer.parseInt(lines[i].substring(ID_STR.length())) + 1;
		} catch (NumberFormatException e) {
		// Nothing to do
		}
		break;
		}
		}
		if (sid == -1) break;
		}

		if (scanResults == null) {
		scanResults = scanResultsBuf.toString();
		if (TextUtils.isEmpty(scanResults)) {
		return;
		}

		@@ -2407,7 +2439,7 @@ public class WifiStateMachine extends StateMachine {
		sendMessageDelayed(CMD_START_SUPPLICANT, SUPPLICANT_RESTART_INTERVAL_MSECS);
		break;
		case WifiMonitor.SCAN_RESULTS_EVENT:
		setScanResults(mWifiNative.scanResults());
		setScanResults();
		sendScanResultsAvailableBroadcast();
		mScanResultIsPending = false;
		break;