Merge "Get ApnIpType from ConnectivityManager#getLinkProperties()" (ad6e059c) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/location/gnss/GnssNetworkConnectivityHandler.java

+32 −72

Original line number	Diff line number	Diff line
		@@ -17,8 +17,9 @@
		package com.android.server.location.gnss;

		import android.content.Context;
		import android.database.Cursor;
		import android.net.ConnectivityManager;
		import android.net.LinkAddress;
		import android.net.LinkProperties;
		import android.net.Network;
		import android.net.NetworkCapabilities;
		import android.net.NetworkInfo;
		@@ -26,25 +27,26 @@ import android.net.NetworkRequest;
		import android.os.Handler;
		import android.os.Looper;
		import android.os.PowerManager;
		import android.provider.Telephony.Carriers;
		import android.telephony.ServiceState;
		import android.telephony.TelephonyManager;
		import android.telephony.PhoneStateListener;
		import android.telephony.PreciseCallState;
		import android.telephony.SubscriptionInfo;
		import android.telephony.SubscriptionManager;
		import android.telephony.PreciseCallState;
		import android.telephony.PhoneStateListener;
		import android.telephony.TelephonyManager;
		import android.util.Log;

		import com.android.internal.location.GpsNetInitiatedHandler;

		import java.net.Inet4Address;
		import java.net.Inet6Address;
		import java.net.InetAddress;
		import java.net.UnknownHostException;
		import java.util.Arrays;
		import java.util.Map;
		import java.util.HashMap;
		import java.util.HashSet;
		import java.util.List;
		import java.util.Iterator;
		import java.util.List;
		import java.util.Map;


		/**
		* Handles network connection requests and network state change updates for AGPS data download.
		@@ -385,10 +387,10 @@ class GnssNetworkConnectivityHandler {
		private ConnectivityManager.NetworkCallback createSuplConnectivityCallback() {
		return new ConnectivityManager.NetworkCallback() {
		@Override
		public void onAvailable(Network network) {
		public void onLinkPropertiesChanged(Network network, LinkProperties linkProperties) {
		if (DEBUG) Log.d(TAG, "SUPL network connection available.");
		// Specific to a change to a SUPL enabled network becoming ready
		handleSuplConnectionAvailable(network);
		handleSuplConnectionAvailable(network, linkProperties);
		}

		@Override
		@@ -496,7 +498,7 @@ class GnssNetworkConnectivityHandler {
		return networkAttributes;
		}

		private void handleSuplConnectionAvailable(Network network) {
		private void handleSuplConnectionAvailable(Network network, LinkProperties linkProperties) {
		// TODO: The synchronous method ConnectivityManager.getNetworkInfo() should not be called
		// inside the asynchronous ConnectivityManager.NetworkCallback methods.
		NetworkInfo info = mConnMgr.getNetworkInfo(network);
		@@ -528,7 +530,7 @@ class GnssNetworkConnectivityHandler {
		setRouting();
		}

		int apnIpType = getApnIpType(apn);
		int apnIpType = getLinkIpType(linkProperties);
		if (DEBUG) {
		String message = String.format(
		"native_agps_data_conn_open: mAgpsApn=%s, mApnIpType=%s",
		@@ -704,74 +706,32 @@ class GnssNetworkConnectivityHandler {
		}
		}

		private int getApnIpType(String apn) {
		private int getLinkIpType(LinkProperties linkProperties) {
		ensureInHandlerThread();
		if (apn == null) {
		return APN_INVALID;
		}
		TelephonyManager phone = (TelephonyManager)
		mContext.getSystemService(Context.TELEPHONY_SERVICE);
		// During an emergency call with an active sub id, get the Telephony Manager specific
		// to the active sub to get the correct value from getServiceState and getNetworkType
		if (mNiHandler.getInEmergency() && mActiveSubId >= 0) {
		TelephonyManager subIdTelManager =
		phone.createForSubscriptionId(mActiveSubId);
		if (subIdTelManager != null) {
		phone = subIdTelManager;
		}
		}
		ServiceState serviceState = phone.getServiceState();
		String projection = null;
		String selection = null;
		boolean isIPv4 = false;
		boolean isIPv6 = false;

		// Carrier configuration may override framework roaming state, we need to use the actual
		// modem roaming state instead of the framework roaming state.
		if (serviceState != null && serviceState.getDataRoamingFromRegistration()) {
		projection = Carriers.ROAMING_PROTOCOL;
		} else {
		projection = Carriers.PROTOCOL;
		}
		// No SIM case for emergency
		if (TelephonyManager.NETWORK_TYPE_UNKNOWN == phone.getNetworkType()
		&& AGPS_TYPE_EIMS == mAGpsType) {
		selection = String.format(
		"type like '%%emergency%%' and apn = '%s' and carrier_enabled = 1", apn);
		} else {
		selection = String.format("current = 1 and apn = '%s' and carrier_enabled = 1", apn);
		}
		try (Cursor cursor = mContext.getContentResolver().query(
		Carriers.CONTENT_URI,
		new String[]{projection},
		selection,
		null,
		Carriers.DEFAULT_SORT_ORDER)) {
		if (null != cursor && cursor.moveToFirst()) {
		return translateToApnIpType(cursor.getString(0), apn);
		} else {
		Log.e(TAG, "No entry found in query for APN: " + apn);
		List<LinkAddress> linkAddresses = linkProperties.getLinkAddresses();
		for (LinkAddress linkAddress : linkAddresses) {
		InetAddress inetAddress = linkAddress.getAddress();
		if (inetAddress instanceof Inet4Address) {
		isIPv4 = true;
		} else if (inetAddress instanceof Inet6Address) {
		isIPv6 = true;
		}
		} catch (Exception e) {
		Log.e(TAG, "Error encountered on APN query for: " + apn, e);
		if (DEBUG) Log.d(TAG, "LinkAddress : " + inetAddress.toString());
		}

		if (isIPv4 && isIPv6) {
		return APN_IPV4V6;
		}

		private int translateToApnIpType(String ipProtocol, String apn) {
		if ("IP".equals(ipProtocol)) {
		if (isIPv4) {
		return APN_IPV4;
		}
		if ("IPV6".equals(ipProtocol)) {
		if (isIPv6) {
		return APN_IPV6;
		}
		if ("IPV4V6".equals(ipProtocol)) {
		return APN_IPV4V6;
		}

		// we hit the default case so the ipProtocol is not recognized
		String message = String.format("Unknown IP Protocol: %s, for APN: %s", ipProtocol, apn);
		Log.e(TAG, message);
		return APN_IPV4V6;
		return APN_INVALID;
		}

		// AGPS support