Merge "Move NetworkUtils used by NetworkStack"
diff --git a/Android.bp b/Android.bp
index a2da0a0..9b0d896 100644
--- a/Android.bp
+++ b/Android.bp
@@ -21,6 +21,7 @@
     installable: true,
     srcs: [
         "src/**/*.java",
+        ":framework-networkstack-shared-srcs",
         ":services-networkstack-shared-srcs",
     ],
     static_libs: [
diff --git a/src/android/net/dhcp/DhcpLeaseRepository.java b/src/android/net/dhcp/DhcpLeaseRepository.java
index 0d298de..8187279 100644
--- a/src/android/net/dhcp/DhcpLeaseRepository.java
+++ b/src/android/net/dhcp/DhcpLeaseRepository.java
@@ -16,11 +16,11 @@
 
 package android.net.dhcp;
 
-import static android.net.NetworkUtils.inet4AddressToIntHTH;
-import static android.net.NetworkUtils.intToInet4AddressHTH;
-import static android.net.NetworkUtils.prefixLengthToV4NetmaskIntHTH;
 import static android.net.dhcp.DhcpLease.EXPIRATION_NEVER;
 import static android.net.dhcp.DhcpLease.inet4AddrToString;
+import static android.net.shared.Inet4AddressUtils.inet4AddressToIntHTH;
+import static android.net.shared.Inet4AddressUtils.intToInet4AddressHTH;
+import static android.net.shared.Inet4AddressUtils.prefixLengthToV4NetmaskIntHTH;
 
 import static com.android.server.util.NetworkStackConstants.IPV4_ADDR_BITS;
 
diff --git a/src/android/net/dhcp/DhcpPacket.java b/src/android/net/dhcp/DhcpPacket.java
index ce8b7e7..74c4e72 100644
--- a/src/android/net/dhcp/DhcpPacket.java
+++ b/src/android/net/dhcp/DhcpPacket.java
@@ -3,8 +3,8 @@
 import android.annotation.Nullable;
 import android.net.DhcpResults;
 import android.net.LinkAddress;
-import android.net.NetworkUtils;
 import android.net.metrics.DhcpErrorEvent;
+import android.net.shared.Inet4AddressUtils;
 import android.os.Build;
 import android.os.SystemProperties;
 import android.system.OsConstants;
@@ -1222,13 +1222,13 @@
         int prefixLength;
         if (mSubnetMask != null) {
             try {
-                prefixLength = NetworkUtils.netmaskToPrefixLength(mSubnetMask);
+                prefixLength = Inet4AddressUtils.netmaskToPrefixLength(mSubnetMask);
             } catch (IllegalArgumentException e) {
                 // Non-contiguous netmask.
                 return null;
             }
         } else {
-            prefixLength = NetworkUtils.getImplicitNetmask(ipAddress);
+            prefixLength = Inet4AddressUtils.getImplicitNetmask(ipAddress);
         }
 
         DhcpResults results = new DhcpResults();
diff --git a/src/android/net/dhcp/DhcpServer.java b/src/android/net/dhcp/DhcpServer.java
index 7b112df..c41c1c9 100644
--- a/src/android/net/dhcp/DhcpServer.java
+++ b/src/android/net/dhcp/DhcpServer.java
@@ -16,8 +16,6 @@
 
 package android.net.dhcp;
 
-import static android.net.NetworkUtils.getBroadcastAddress;
-import static android.net.NetworkUtils.getPrefixMaskAsInet4Address;
 import static android.net.TrafficStats.TAG_SYSTEM_DHCP_SERVER;
 import static android.net.dhcp.DhcpPacket.DHCP_CLIENT;
 import static android.net.dhcp.DhcpPacket.DHCP_HOST_NAME;
@@ -25,6 +23,8 @@
 import static android.net.dhcp.DhcpPacket.ENCAP_BOOTP;
 import static android.net.dhcp.IDhcpServer.STATUS_INVALID_ARGUMENT;
 import static android.net.dhcp.IDhcpServer.STATUS_SUCCESS;
+import static android.net.shared.Inet4AddressUtils.getBroadcastAddress;
+import static android.net.shared.Inet4AddressUtils.getPrefixMaskAsInet4Address;
 import static android.system.OsConstants.AF_INET;
 import static android.system.OsConstants.IPPROTO_UDP;
 import static android.system.OsConstants.SOCK_DGRAM;
diff --git a/src/android/net/dhcp/DhcpServingParams.java b/src/android/net/dhcp/DhcpServingParams.java
index 868f3be..31ce95b 100644
--- a/src/android/net/dhcp/DhcpServingParams.java
+++ b/src/android/net/dhcp/DhcpServingParams.java
@@ -16,8 +16,8 @@
 
 package android.net.dhcp;
 
-import static android.net.NetworkUtils.getPrefixMaskAsInet4Address;
-import static android.net.NetworkUtils.intToInet4AddressHTH;
+import static android.net.shared.Inet4AddressUtils.getPrefixMaskAsInet4Address;
+import static android.net.shared.Inet4AddressUtils.intToInet4AddressHTH;
 
 import static com.android.server.util.NetworkStackConstants.INFINITE_LEASE;
 import static com.android.server.util.NetworkStackConstants.IPV4_MAX_MTU;
@@ -29,7 +29,7 @@
 import android.annotation.Nullable;
 import android.net.IpPrefix;
 import android.net.LinkAddress;
-import android.net.NetworkUtils;
+import android.net.shared.Inet4AddressUtils;
 import android.util.ArraySet;
 
 import java.net.Inet4Address;
@@ -164,7 +164,8 @@
      */
     @NonNull
     public Inet4Address getBroadcastAddress() {
-        return NetworkUtils.getBroadcastAddress(getServerInet4Addr(), serverAddr.getPrefixLength());
+        return Inet4AddressUtils.getBroadcastAddress(
+                getServerInet4Addr(), serverAddr.getPrefixLength());
     }
 
     /**
diff --git a/tests/src/android/net/dhcp/DhcpPacketTest.java b/tests/src/android/net/dhcp/DhcpPacketTest.java
index a592809..38f45f7 100644
--- a/tests/src/android/net/dhcp/DhcpPacketTest.java
+++ b/tests/src/android/net/dhcp/DhcpPacketTest.java
@@ -16,9 +16,27 @@
 
 package android.net.dhcp;
 
-import static android.net.NetworkUtils.getBroadcastAddress;
-import static android.net.NetworkUtils.getPrefixMaskAsInet4Address;
-import static android.net.dhcp.DhcpPacket.*;
+import static android.net.dhcp.DhcpPacket.DHCP_BROADCAST_ADDRESS;
+import static android.net.dhcp.DhcpPacket.DHCP_DNS_SERVER;
+import static android.net.dhcp.DhcpPacket.DHCP_DOMAIN_NAME;
+import static android.net.dhcp.DhcpPacket.DHCP_LEASE_TIME;
+import static android.net.dhcp.DhcpPacket.DHCP_MESSAGE_TYPE_ACK;
+import static android.net.dhcp.DhcpPacket.DHCP_MESSAGE_TYPE_OFFER;
+import static android.net.dhcp.DhcpPacket.DHCP_MTU;
+import static android.net.dhcp.DhcpPacket.DHCP_REBINDING_TIME;
+import static android.net.dhcp.DhcpPacket.DHCP_RENEWAL_TIME;
+import static android.net.dhcp.DhcpPacket.DHCP_ROUTER;
+import static android.net.dhcp.DhcpPacket.DHCP_SUBNET_MASK;
+import static android.net.dhcp.DhcpPacket.DHCP_VENDOR_INFO;
+import static android.net.dhcp.DhcpPacket.ENCAP_BOOTP;
+import static android.net.dhcp.DhcpPacket.ENCAP_L2;
+import static android.net.dhcp.DhcpPacket.ENCAP_L3;
+import static android.net.dhcp.DhcpPacket.INADDR_ANY;
+import static android.net.dhcp.DhcpPacket.INFINITE_LEASE;
+import static android.net.dhcp.DhcpPacket.ParseException;
+import static android.net.shared.Inet4AddressUtils.getBroadcastAddress;
+import static android.net.shared.Inet4AddressUtils.getPrefixMaskAsInet4Address;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
@@ -30,11 +48,15 @@
 import android.net.LinkAddress;
 import android.net.NetworkUtils;
 import android.net.metrics.DhcpErrorEvent;
-import android.support.test.runner.AndroidJUnit4;
 import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
 
 import com.android.internal.util.HexDump;
 
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 import java.io.ByteArrayOutputStream;
 import java.net.Inet4Address;
 import java.nio.ByteBuffer;
@@ -44,10 +66,6 @@
 import java.util.Collections;
 import java.util.Random;
 
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
 @RunWith(AndroidJUnit4.class)
 @SmallTest
 public class DhcpPacketTest {
diff --git a/tests/src/android/net/dhcp/DhcpServingParamsTest.java b/tests/src/android/net/dhcp/DhcpServingParamsTest.java
index 3ca0564..1004382 100644
--- a/tests/src/android/net/dhcp/DhcpServingParamsTest.java
+++ b/tests/src/android/net/dhcp/DhcpServingParamsTest.java
@@ -17,8 +17,8 @@
 package android.net.dhcp;
 
 import static android.net.InetAddresses.parseNumericAddress;
-import static android.net.NetworkUtils.inet4AddressToIntHTH;
 import static android.net.dhcp.DhcpServingParams.MTU_UNSET;
+import static android.net.shared.Inet4AddressUtils.inet4AddressToIntHTH;
 
 import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertFalse;
@@ -27,8 +27,8 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.net.LinkAddress;
-import android.net.NetworkUtils;
 import android.net.dhcp.DhcpServingParams.InvalidParameterException;
+import android.net.shared.Inet4AddressUtils;
 import android.support.test.filters.SmallTest;
 import android.support.test.runner.AndroidJUnit4;
 
@@ -200,7 +200,7 @@
     }
 
     private static int[] toIntArray(Collection<Inet4Address> addrs) {
-        return addrs.stream().mapToInt(NetworkUtils::inet4AddressToIntHTH).toArray();
+        return addrs.stream().mapToInt(Inet4AddressUtils::inet4AddressToIntHTH).toArray();
     }
 
     private static <T> void assertContains(@NonNull Set<T> set, @NonNull Set<T> subset) {