Merge "Make getNetworkInfo() take into account VPN underlying networks." into lmp-mr1-dev automerge: c38b90b
automerge: 00c8450

* commit '00c8450d2711de57ee45f66cae1050dbca98d1f5':
  Make getNetworkInfo() take into account VPN underlying networks.
diff --git a/core/java/android/net/Network.java b/core/java/android/net/Network.java
index 5c12696..dfe2413 100644
--- a/core/java/android/net/Network.java
+++ b/core/java/android/net/Network.java
@@ -16,7 +16,6 @@
 
 package android.net;
 
-import android.net.NetworkUtils;
 import android.os.Parcelable;
 import android.os.Parcel;
 import android.system.ErrnoException;
@@ -34,15 +33,14 @@
 import java.net.UnknownHostException;
 import java.net.URL;
 import java.net.URLConnection;
-import java.net.URLStreamHandler;
-import java.util.concurrent.atomic.AtomicReference;
 import javax.net.SocketFactory;
 
 import com.android.okhttp.ConnectionPool;
-import com.android.okhttp.HostResolver;
 import com.android.okhttp.HttpHandler;
 import com.android.okhttp.HttpsHandler;
 import com.android.okhttp.OkHttpClient;
+import com.android.okhttp.OkUrlFactory;
+import com.android.okhttp.internal.Internal;
 
 /**
  * Identifies a {@code Network}.  This is supplied to applications via
@@ -63,10 +61,10 @@
     // Objects used to perform per-network operations such as getSocketFactory
     // and openConnection, and a lock to protect access to them.
     private volatile NetworkBoundSocketFactory mNetworkBoundSocketFactory = null;
-    // mLock should be used to control write access to mConnectionPool and mHostResolver.
+    // mLock should be used to control write access to mConnectionPool and mNetwork.
     // maybeInitHttpClient() must be called prior to reading either variable.
     private volatile ConnectionPool mConnectionPool = null;
-    private volatile HostResolver mHostResolver = null;
+    private volatile com.android.okhttp.internal.Network mNetwork = null;
     private Object mLock = new Object();
 
     // Default connection pool values. These are evaluated at startup, just
@@ -220,10 +218,10 @@
     // out) ConnectionPools.
     private void maybeInitHttpClient() {
         synchronized (mLock) {
-            if (mHostResolver == null) {
-                mHostResolver = new HostResolver() {
+            if (mNetwork == null) {
+                mNetwork = new com.android.okhttp.internal.Network() {
                     @Override
-                    public InetAddress[] getAllByName(String host) throws UnknownHostException {
+                    public InetAddress[] resolveInetAddresses(String host) throws UnknownHostException {
                         return Network.this.getAllByName(host);
                     }
                 };
@@ -278,22 +276,25 @@
         if (proxy == null) throw new IllegalArgumentException("proxy is null");
         maybeInitHttpClient();
         String protocol = url.getProtocol();
-        OkHttpClient client;
-        // TODO: HttpHandler creates OkHttpClients that share the default ResponseCache.
+        OkUrlFactory okUrlFactory;
+        // TODO: HttpHandler creates OkUrlFactory instances that share the default ResponseCache.
         // Could this cause unexpected behavior?
         if (protocol.equals("http")) {
-            client = HttpHandler.createHttpOkHttpClient(proxy);
+            okUrlFactory = HttpHandler.createHttpOkUrlFactory(proxy);
         } else if (protocol.equals("https")) {
-            client = HttpsHandler.createHttpsOkHttpClient(proxy);
+            okUrlFactory = HttpsHandler.createHttpsOkUrlFactory(proxy);
         } else {
-            // OkHttpClient only supports HTTP and HTTPS and returns a null URLStreamHandler if
+            // OkHttp only supports HTTP and HTTPS and returns a null URLStreamHandler if
             // passed another protocol.
             throw new MalformedURLException("Invalid URL or unrecognized protocol " + protocol);
         }
-        return client.setSocketFactory(getSocketFactory())
-                .setHostResolver(mHostResolver)
-                .setConnectionPool(mConnectionPool)
-                .open(url);
+        OkHttpClient client = okUrlFactory.client();
+        client.setSocketFactory(getSocketFactory()).setConnectionPool(mConnectionPool);
+
+        // Use internal APIs to change the Network.
+        Internal.instance.setNetwork(client, mNetwork);
+
+        return okUrlFactory.open(url);
     }
 
     /**
diff --git a/core/java/android/net/StaticIpConfiguration.java b/core/java/android/net/StaticIpConfiguration.java
index 365f2b6..37ee961 100644
--- a/core/java/android/net/StaticIpConfiguration.java
+++ b/core/java/android/net/StaticIpConfiguration.java
@@ -188,6 +188,7 @@
         for (InetAddress dnsServer : dnsServers) {
             NetworkUtils.parcelInetAddress(dest, dnsServer, flags);
         }
+        dest.writeString(domains);
     }
 
     protected static void readFromParcel(StaticIpConfiguration s, Parcel in) {
@@ -198,5 +199,6 @@
         for (int i = 0; i < size; i++) {
             s.dnsServers.add(NetworkUtils.unparcelInetAddress(in));
         }
+        s.domains = in.readString();
     }
 }
diff --git a/core/jni/android_net_NetUtils.cpp b/core/jni/android_net_NetUtils.cpp
index 8b9f574..9092512 100644
--- a/core/jni/android_net_NetUtils.cpp
+++ b/core/jni/android_net_NetUtils.cpp
@@ -19,13 +19,14 @@
 #include "jni.h"
 #include "JNIHelp.h"
 #include "NetdClient.h"
-#include "resolv_netid.h"
 #include <utils/misc.h>
 #include <android_runtime/AndroidRuntime.h>
 #include <utils/Log.h>
 #include <arpa/inet.h>
 #include <cutils/properties.h>
 
+#include "core_jni_helpers.h"
+
 extern "C" {
 int ifc_enable(const char *ifname);
 int ifc_disable(const char *ifname);
@@ -269,27 +270,26 @@
 
 int register_android_net_NetworkUtils(JNIEnv* env)
 {
-    jclass dhcpResultsClass = env->FindClass("android/net/DhcpResults");
-    LOG_FATAL_IF(dhcpResultsClass == NULL, "Unable to find class android/net/DhcpResults");
-    dhcpResultsFieldIds.clear =
-            env->GetMethodID(dhcpResultsClass, "clear", "()V");
-    dhcpResultsFieldIds.setIpAddress =
-            env->GetMethodID(dhcpResultsClass, "setIpAddress", "(Ljava/lang/String;I)Z");
-    dhcpResultsFieldIds.setGateway =
-            env->GetMethodID(dhcpResultsClass, "setGateway", "(Ljava/lang/String;)Z");
-    dhcpResultsFieldIds.addDns =
-            env->GetMethodID(dhcpResultsClass, "addDns", "(Ljava/lang/String;)Z");
-    dhcpResultsFieldIds.setDomains =
-            env->GetMethodID(dhcpResultsClass, "setDomains", "(Ljava/lang/String;)V");
-    dhcpResultsFieldIds.setServerAddress =
-            env->GetMethodID(dhcpResultsClass, "setServerAddress", "(Ljava/lang/String;)Z");
-    dhcpResultsFieldIds.setLeaseDuration =
-            env->GetMethodID(dhcpResultsClass, "setLeaseDuration", "(I)V");
-    dhcpResultsFieldIds.setVendorInfo =
-            env->GetMethodID(dhcpResultsClass, "setVendorInfo", "(Ljava/lang/String;)V");
+    jclass dhcpResultsClass = FindClassOrDie(env, "android/net/DhcpResults");
 
-    return AndroidRuntime::registerNativeMethods(env,
-            NETUTILS_PKG_NAME, gNetworkUtilMethods, NELEM(gNetworkUtilMethods));
+    dhcpResultsFieldIds.clear = GetMethodIDOrDie(env, dhcpResultsClass, "clear", "()V");
+    dhcpResultsFieldIds.setIpAddress =GetMethodIDOrDie(env, dhcpResultsClass, "setIpAddress",
+            "(Ljava/lang/String;I)Z");
+    dhcpResultsFieldIds.setGateway = GetMethodIDOrDie(env, dhcpResultsClass, "setGateway",
+            "(Ljava/lang/String;)Z");
+    dhcpResultsFieldIds.addDns = GetMethodIDOrDie(env, dhcpResultsClass, "addDns",
+            "(Ljava/lang/String;)Z");
+    dhcpResultsFieldIds.setDomains = GetMethodIDOrDie(env, dhcpResultsClass, "setDomains",
+            "(Ljava/lang/String;)V");
+    dhcpResultsFieldIds.setServerAddress = GetMethodIDOrDie(env, dhcpResultsClass,
+            "setServerAddress", "(Ljava/lang/String;)Z");
+    dhcpResultsFieldIds.setLeaseDuration = GetMethodIDOrDie(env, dhcpResultsClass,
+            "setLeaseDuration", "(I)V");
+    dhcpResultsFieldIds.setVendorInfo = GetMethodIDOrDie(env, dhcpResultsClass, "setVendorInfo",
+            "(Ljava/lang/String;)V");
+
+    return RegisterMethodsOrDie(env, NETUTILS_PKG_NAME, gNetworkUtilMethods,
+                                NELEM(gNetworkUtilMethods));
 }
 
 }; // namespace android
diff --git a/core/tests/coretests/src/android/net/StaticIpConfigurationTest.java b/core/tests/coretests/src/android/net/StaticIpConfigurationTest.java
new file mode 100644
index 0000000..59f780f
--- /dev/null
+++ b/core/tests/coretests/src/android/net/StaticIpConfigurationTest.java
@@ -0,0 +1,225 @@
+/*
+ * Copyright (C) 2014 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;
+
+import android.net.IpPrefix;
+import android.net.LinkAddress;
+import android.net.RouteInfo;
+import android.net.StaticIpConfiguration;
+import android.os.Parcel;
+
+import java.net.InetAddress;
+import java.util.HashSet;
+
+import junit.framework.TestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import static org.junit.Assert.*;
+
+
+public class StaticIpConfigurationTest extends TestCase {
+
+    private static final String ADDRSTR = "192.0.2.2/25";
+    private static final LinkAddress ADDR = new LinkAddress(ADDRSTR);
+    private static final InetAddress GATEWAY = IpAddress("192.0.2.1");
+    private static final InetAddress OFFLINKGATEWAY = IpAddress("192.0.2.129");
+    private static final InetAddress DNS1 = IpAddress("8.8.8.8");
+    private static final InetAddress DNS2 = IpAddress("8.8.4.4");
+    private static final InetAddress DNS3 = IpAddress("4.2.2.2");
+    private static final String IFACE = "eth0";
+
+    private static InetAddress IpAddress(String addr) {
+        return InetAddress.parseNumericAddress(addr);
+    }
+
+    private void checkEmpty(StaticIpConfiguration s) {
+        assertNull(s.ipAddress);
+        assertNull(s.gateway);
+        assertNull(s.domains);
+        assertEquals(0, s.dnsServers.size());
+    }
+
+    private boolean isEqual(StaticIpConfiguration s1, StaticIpConfiguration s2) {
+        return s1.equals(s2);
+    }
+
+    private void assertEquals(StaticIpConfiguration s1, StaticIpConfiguration s2) {
+        assertTrue(isEqual(s1, s2));
+    }
+
+    private void assertNotEquals(StaticIpConfiguration s1, StaticIpConfiguration s2) {
+        assertFalse(isEqual(s1, s2));
+    }
+
+    private StaticIpConfiguration makeTestObject() {
+        StaticIpConfiguration s = new StaticIpConfiguration();
+        s.ipAddress = ADDR;
+        s.gateway = GATEWAY;
+        s.dnsServers.add(DNS1);
+        s.dnsServers.add(DNS2);
+        s.dnsServers.add(DNS3);
+        s.domains = "google.com";
+        return s;
+    }
+
+    @SmallTest
+    public void testConstructor() {
+        StaticIpConfiguration s = new StaticIpConfiguration();
+        checkEmpty(s);
+    }
+
+    @SmallTest
+    public void testCopyAndClear() {
+        StaticIpConfiguration empty = new StaticIpConfiguration((StaticIpConfiguration) null);
+        checkEmpty(empty);
+
+        StaticIpConfiguration s1 = makeTestObject();
+        StaticIpConfiguration s2 = new StaticIpConfiguration(s1);
+        assertEquals(s1, s2);
+        s2.clear();
+        assertEquals(empty, s2);
+    }
+
+    @SmallTest
+    public void testHashCodeAndEquals() {
+        HashSet<Integer> hashCodes = new HashSet();
+        hashCodes.add(0);
+
+        StaticIpConfiguration s = new StaticIpConfiguration();
+        // Check that this hash code is nonzero and different from all the ones seen so far.
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.ipAddress = ADDR;
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.gateway = GATEWAY;
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.dnsServers.add(DNS1);
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.dnsServers.add(DNS2);
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.dnsServers.add(DNS3);
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        s.domains = "example.com";
+        assertTrue(hashCodes.add(s.hashCode()));
+
+        assertFalse(s.equals(null));
+        assertEquals(s, s);
+
+        StaticIpConfiguration s2 = new StaticIpConfiguration(s);
+        assertEquals(s, s2);
+
+        s.ipAddress = new LinkAddress(DNS1, 32);
+        assertNotEquals(s, s2);
+
+        s2 = new StaticIpConfiguration(s);
+        s.domains = "foo";
+        assertNotEquals(s, s2);
+
+        s2 = new StaticIpConfiguration(s);
+        s.gateway = DNS2;
+        assertNotEquals(s, s2);
+
+        s2 = new StaticIpConfiguration(s);
+        s.dnsServers.add(DNS3);
+        assertNotEquals(s, s2);
+    }
+
+    @SmallTest
+    public void testToLinkProperties() {
+        LinkProperties expected = new LinkProperties();
+        expected.setInterfaceName(IFACE);
+
+        StaticIpConfiguration s = new StaticIpConfiguration();
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        final RouteInfo connectedRoute = new RouteInfo(new IpPrefix(ADDRSTR), null, IFACE);
+        s.ipAddress = ADDR;
+        expected.addLinkAddress(ADDR);
+        expected.addRoute(connectedRoute);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.gateway = GATEWAY;
+        RouteInfo defaultRoute = new RouteInfo(new IpPrefix("0.0.0.0/0"), GATEWAY, IFACE);
+        expected.addRoute(defaultRoute);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.gateway = OFFLINKGATEWAY;
+        expected.removeRoute(defaultRoute);
+        defaultRoute = new RouteInfo(new IpPrefix("0.0.0.0/0"), OFFLINKGATEWAY, IFACE);
+        expected.addRoute(defaultRoute);
+
+        RouteInfo gatewayRoute = new RouteInfo(new IpPrefix("192.0.2.129/32"), null, IFACE);
+        expected.addRoute(gatewayRoute);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.dnsServers.add(DNS1);
+        expected.addDnsServer(DNS1);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.dnsServers.add(DNS2);
+        s.dnsServers.add(DNS3);
+        expected.addDnsServer(DNS2);
+        expected.addDnsServer(DNS3);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.domains = "google.com";
+        expected.setDomains("google.com");
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        s.gateway = null;
+        expected.removeRoute(defaultRoute);
+        expected.removeRoute(gatewayRoute);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+
+        // Without knowing the IP address, we don't have a directly-connected route, so we can't
+        // tell if the gateway is off-link or not and we don't add a host route. This isn't a real
+        // configuration, but we should at least not crash.
+        s.gateway = OFFLINKGATEWAY;
+        s.ipAddress = null;
+        expected.removeLinkAddress(ADDR);
+        expected.removeRoute(connectedRoute);
+        expected.addRoute(defaultRoute);
+        assertEquals(expected, s.toLinkProperties(IFACE));
+    }
+
+    private StaticIpConfiguration passThroughParcel(StaticIpConfiguration s) {
+        Parcel p = Parcel.obtain();
+        StaticIpConfiguration s2 = null;
+        try {
+            s.writeToParcel(p, 0);
+            p.setDataPosition(0);
+            s2 = StaticIpConfiguration.CREATOR.createFromParcel(p);
+        } finally {
+            p.recycle();
+        }
+        assertNotNull(s2);
+        return s2;
+    }
+
+    @SmallTest
+    public void testParceling() {
+        StaticIpConfiguration s = makeTestObject();
+        StaticIpConfiguration s2 = passThroughParcel(s);
+        assertEquals(s, s2);
+    }
+}
+