Merge "Tell the resolver what protocols to use." into ics-factoryrom (b849074c) · Commits · e / os / android_frameworks_base

services/java/com/android/server/ConnectivityService.java

+45 −6

Original line number	Diff line number	Diff line
		@@ -1974,7 +1974,8 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		Integer pid = (Integer)pids.get(j);
		if (pid.intValue() == myPid) {
		Collection<InetAddress> dnses = p.getDnses();
		writePidDns(dnses, myPid);
		String proto = determineProto(p);
		writePidDns(dnses, myPid, proto);
		if (doBump) {
		bumpDns();
		}
		@@ -1984,6 +1985,9 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		}
		}
		// nothing found - delete
		if (SystemProperties.get("net.dnsproto." + myPid).length() != 0) {
		SystemProperties.set("net.dnsproto." + myPid, "");
		}
		for (int i = 1; ; i++) {
		String prop = "net.dns" + i + "." + myPid;
		if (SystemProperties.get(prop).length() == 0) {
		@@ -1997,7 +2001,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		}

		// return true if results in a change
		private boolean writePidDns(Collection <InetAddress> dnses, int pid) {
		private boolean writePidDns(Collection <InetAddress> dnses, int pid, String proto) {
		int j = 1;
		boolean changed = false;
		for (InetAddress dns : dnses) {
		@@ -2007,6 +2011,11 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		SystemProperties.set("net.dns" + j++ + "." + pid, dns.getHostAddress());
		}
		}
		if (dnses.size() > 0 && (changed \|\| !proto.equals(SystemProperties.get("net.dnsproto." +
		pid)))) {
		changed = true;
		SystemProperties.set("net.dnsproto." + pid, proto);
		}
		return changed;
		}

		@@ -2037,7 +2046,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {

		// Caller must grab mDnsLock.
		private boolean updateDns(String network, String iface,
		Collection<InetAddress> dnses, String domains) {
		Collection<InetAddress> dnses, String domains, String proto) {
		boolean changed = false;
		int last = 0;
		if (dnses.size() == 0 && mDefaultDns != null) {
		@@ -2073,6 +2082,11 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		}
		mNumDnsEntries = last;

		if (changed \|\| !proto.equals(SystemProperties.get("net.dnsproto"))) {
		changed = true;
		SystemProperties.set("net.dnsproto", proto);
		}

		if (changed) {
		try {
		mNetd.setDnsServersForInterface(iface, NetworkUtils.makeStrings(dnses));
		@@ -2096,11 +2110,14 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		if (p == null) return;
		Collection<InetAddress> dnses = p.getDnses();
		boolean changed = false;
		String proto = determineProto(p);

		if (mNetConfigs[netType].isDefault()) {
		String network = nt.getNetworkInfo().getTypeName();
		synchronized (mDnsLock) {
		if (!mDnsOverridden) {
		changed = updateDns(network, p.getInterfaceName(), dnses, "");
		changed = updateDns(network, p.getInterfaceName(), dnses, "",
		proto);
		}
		}
		} else {
		@@ -2114,13 +2131,35 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		List pids = mNetRequestersPids[netType];
		for (int y=0; y< pids.size(); y++) {
		Integer pid = (Integer)pids.get(y);
		changed = writePidDns(dnses, pid.intValue());
		changed = writePidDns(dnses, pid.intValue(), proto);
		}
		}
		if (changed) bumpDns();
		}
		}

		private String determineProto(LinkProperties p) {
		boolean v4 = false;
		boolean v6 = false;
		for (RouteInfo r : p.getRoutes()) {
		if (r.getDestination().getAddress() instanceof Inet6Address) {
		v6 = true;
		} else {
		v4 = true;
		}
		}
		// secondary connections often don't have routes and we infer routes
		// to the dns servers. Look at the dns addrs too
		for (InetAddress i : p.getDnses()) {
		if (i instanceof Inet6Address) {
		v6 = true;
		} else {
		v4 = true;
		}
		}
		return (v4 ? "v4" : "") + (v6 ? "v6" : "");
		}

		private int getRestoreDefaultNetworkDelay(int networkType) {
		String restoreDefaultNetworkDelayStr = SystemProperties.get(
		NETWORK_RESTORE_DELAY_PROP_NAME);
		@@ -2842,7 +2881,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		// Apply DNS changes.
		boolean changed = false;
		synchronized (mDnsLock) {
		changed = updateDns("VPN", "VPN", addresses, domains);
		changed = updateDns("VPN", "VPN", addresses, domains, "v4");
		mDnsOverridden = true;
		}
		if (changed) {