Merge "Add SocketUtils for NetworkStack"

am: cec60fa56a

Change-Id: I0db40afbf2de55d77d9d5493e556f499d2383f59

api/system-current.txt

@@ -3241,6 +3241,9 @@ package android.net {
     method public static void setThreadStatsTagApp();
     method public static void setThreadStatsTagBackup();
     method public static void setThreadStatsTagRestore();
+    field public static final int TAG_SYSTEM_DHCP = -192; // 0xffffff40
+    field public static final int TAG_SYSTEM_DHCP_SERVER = -186; // 0xffffff46
+    field public static final int TAG_SYSTEM_PROBE = -190; // 0xffffff42
   }
 
   public class VpnService extends android.app.Service {
@@ -3266,6 +3269,8 @@ package android.net.apf {
 
   public class ApfCapabilities {
     ctor public ApfCapabilities(int, int, int);
+    method public boolean getApfDrop8023Frames(android.content.Context);
+    method public int[] getApfEthTypeBlackList(android.content.Context);
     method public boolean hasDataAccess();
     field public final int apfPacketFormat;
     field public final int apfVersionSupported;
@@ -3463,6 +3468,7 @@ package android.net.util {
 
   public class SocketUtils {
     method public static void bindSocketToInterface(java.io.FileDescriptor, String) throws android.system.ErrnoException;
+    method public static void closeSocket(java.io.FileDescriptor) throws java.io.IOException;
     method public static java.net.SocketAddress makeNetlinkSocketAddress(int, int);
     method public static java.net.SocketAddress makePacketSocketAddress(short, int);
     method public static java.net.SocketAddress makePacketSocketAddress(int, byte[]);

api/test-current.txt

@@ -692,6 +692,9 @@ package android.net {
     method public static long getLoopbackRxPackets();
     method public static long getLoopbackTxBytes();
     method public static long getLoopbackTxPackets();
+    field public static final int TAG_SYSTEM_DHCP = -192; // 0xffffff40
+    field public static final int TAG_SYSTEM_DHCP_SERVER = -186; // 0xffffff46
+    field public static final int TAG_SYSTEM_PROBE = -190; // 0xffffff42
   }
 
 }
@@ -700,6 +703,8 @@ package android.net.apf {
 
   public class ApfCapabilities {
     ctor public ApfCapabilities(int, int, int);
+    method public boolean getApfDrop8023Frames(android.content.Context);
+    method public int[] getApfEthTypeBlackList(android.content.Context);
     method public boolean hasDataAccess();
     field public final int apfPacketFormat;
     field public final int apfVersionSupported;
@@ -893,6 +898,18 @@ package android.net.metrics {
 
 }
 
+package android.net.util {
+
+  public class SocketUtils {
+    method public static void bindSocketToInterface(java.io.FileDescriptor, String) throws android.system.ErrnoException;
+    method public static void closeSocket(java.io.FileDescriptor) throws java.io.IOException;
+    method public static java.net.SocketAddress makeNetlinkSocketAddress(int, int);
+    method public static java.net.SocketAddress makePacketSocketAddress(short, int);
+    method public static java.net.SocketAddress makePacketSocketAddress(int, byte[]);
+  }
+
+}
+
 package android.os {
 
   public static class Build.VERSION {

core/java/android/net/TrafficStats.java

@@ -128,10 +128,14 @@ public class TrafficStats {
     public static final int TAG_SYSTEM_APP = 0xFFFFFF05;
 
     /** @hide */
+    @SystemApi
+    @TestApi
     public static final int TAG_SYSTEM_DHCP = 0xFFFFFF40;
     /** @hide */
     public static final int TAG_SYSTEM_NTP = 0xFFFFFF41;
     /** @hide */
+    @SystemApi
+    @TestApi
     public static final int TAG_SYSTEM_PROBE = 0xFFFFFF42;
     /** @hide */
     public static final int TAG_SYSTEM_NEIGHBOR = 0xFFFFFF43;
@@ -140,6 +144,8 @@ public class TrafficStats {
     /** @hide */
     public static final int TAG_SYSTEM_PAC = 0xFFFFFF45;
     /** @hide */
+    @SystemApi
+    @TestApi
     public static final int TAG_SYSTEM_DHCP_SERVER = 0xFFFFFF46;
 
     private static INetworkStatsService sStatsService;

core/java/android/net/apf/ApfCapabilities.java

@@ -18,6 +18,9 @@ package android.net.apf;
 
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
+import android.content.Context;
+
+import com.android.internal.R;
 
 /**
  * APF program support capabilities.
@@ -74,4 +77,18 @@ public class ApfCapabilities {
     public boolean hasDataAccess() {
         return apfVersionSupported >= 4;
     }
+
+    /**
+     * @return Whether the APF Filter in the device should filter out IEEE 802.3 Frames.
+     */
+    public boolean getApfDrop8023Frames(Context context) {
+        return context.getResources().getBoolean(R.bool.config_apfDrop802_3Frames);
+    }
+
+    /**
+     * @return An array of blacklisted EtherType, packets with EtherTypes within it will be dropped.
+     */
+    public int[] getApfEthTypeBlackList(Context context) {
+        return context.getResources().getIntArray(R.array.config_apfEthTypeBlackList);
+    }
 }

core/java/android/net/util/SocketUtils.java

@@ -20,13 +20,17 @@ import static android.system.OsConstants.SOL_SOCKET;
 import static android.system.OsConstants.SO_BINDTODEVICE;
 
 import android.annotation.SystemApi;
+import android.annotation.TestApi;
 import android.net.NetworkUtils;
 import android.system.ErrnoException;
 import android.system.NetlinkSocketAddress;
 import android.system.Os;
 import android.system.PacketSocketAddress;
 
+import libcore.io.IoBridge;
+
 import java.io.FileDescriptor;
+import java.io.IOException;
 import java.net.SocketAddress;
 
 /**
@@ -34,6 +38,7 @@ import java.net.SocketAddress;
  * @hide
  */
 @SystemApi
+@TestApi
 public class SocketUtils {
     /**
      * Create a raw datagram socket that is bound to an interface.
@@ -57,18 +62,25 @@ public class SocketUtils {
     }
 
     /**
-     * Make a socket address to bind to packet sockets.
+     * Make socket address that packet sockets can bind to.
      */
     public static SocketAddress makePacketSocketAddress(short protocol, int ifIndex) {
         return new PacketSocketAddress(protocol, ifIndex);
     }
 
     /**
-     * Make a socket address to send raw packets.
+     * Make a socket address that packet socket can send packets to.
      */
     public static SocketAddress makePacketSocketAddress(int ifIndex, byte[] hwAddr) {
         return new PacketSocketAddress(ifIndex, hwAddr);
     }
 
+    /**
+     * @see IoBridge#closeAndSignalBlockedThreads(FileDescriptor)
+     */
+    public static void closeSocket(FileDescriptor fd) throws IOException {
+        IoBridge.closeAndSignalBlockedThreads(fd);
+    }
+
     private SocketUtils() {}
 }