Merge "Add Network.fromNetworkHandle()" into pi-dev (c0b767a9) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -27142,6 +27142,7 @@ package android.net {
		method public void bindSocket(java.net.Socket) throws java.io.IOException;
		method public void bindSocket(java.io.FileDescriptor) throws java.io.IOException;
		method public int describeContents();
		method public static android.net.Network fromNetworkHandle(long);
		method public java.net.InetAddress[] getAllByName(java.lang.String) throws java.net.UnknownHostException;
		method public java.net.InetAddress getByName(java.lang.String) throws java.net.UnknownHostException;
		method public long getNetworkHandle();

core/java/android/net/Network.java

+25 −5

Original line number	Diff line number	Diff line
		@@ -77,6 +77,11 @@ public class Network implements Parcelable {
		httpKeepAlive ? Integer.parseInt(System.getProperty("http.maxConnections", "5")) : 0;
		private static final long httpKeepAliveDurationMs =
		Long.parseLong(System.getProperty("http.keepAliveDuration", "300000")); // 5 minutes.
		// Value used to obfuscate network handle longs.
		// The HANDLE_MAGIC value MUST be kept in sync with the corresponding
		// value in the native/android/net.c NDK implementation.
		private static final long HANDLE_MAGIC = 0xcafed00dL;
		private static final int HANDLE_MAGIC_SIZE = 32;

		/**
		* @hide
		@@ -334,6 +339,25 @@ public class Network implements Parcelable {
		}
		}

		/**
		* Returns a {@link Network} object given a handle returned from {@link #getNetworkHandle}.
		*
		* @param networkHandle a handle returned from {@link #getNetworkHandle}.
		* @return A {@link Network} object derived from {@code networkHandle}.
		*/
		public static Network fromNetworkHandle(long networkHandle) {
		if (networkHandle == 0) {
		throw new IllegalArgumentException(
		"Network.fromNetworkHandle refusing to instantiate NETID_UNSET Network.");
		}
		if ((networkHandle & ((1L << HANDLE_MAGIC_SIZE) - 1)) != HANDLE_MAGIC
		\|\| networkHandle < 0) {
		throw new IllegalArgumentException(
		"Value passed to fromNetworkHandle() is not a network handle.");
		}
		return new Network((int) (networkHandle >> HANDLE_MAGIC_SIZE));
		}

		/**
		* Returns a handle representing this {@code Network}, for use with the NDK API.
		*/
		@@ -356,14 +380,10 @@ public class Network implements Parcelable {
		// At some future date it may be desirable to realign the handle with
		// Multiple Provisioning Domains API recommendations, as made by the
		// IETF mif working group.
		//
		// The handleMagic value MUST be kept in sync with the corresponding
		// value in the native/android/net.c NDK implementation.
		if (netId == 0) {
		return 0L; // make this zero condition obvious for debugging
		}
		final long handleMagic = 0xcafed00dL;
		return (((long) netId) << 32) \| handleMagic;
		return (((long) netId) << HANDLE_MAGIC_SIZE) \| HANDLE_MAGIC;
		}

		// implement the Parcelable interface