Merge "[MS22] Move NetworkManagementSocketTagger into the module" am: 81589202e5

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1933091

Change-Id: Ie15d4d9d2e8239f89d0561dd22863726d732ab3c

1 files changed, 0 insertions, 146 deletions

diff --git a/core/java/com/android/server/NetworkManagementSocketTagger.java b/core/java/com/android/server/NetworkManagementSocketTagger.java
deleted file mode 100644
index d89566c9119c..000000000000
--- a/core/java/com/android/server/NetworkManagementSocketTagger.java
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * Copyright (C) 2011 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 com.android.server;
-
-import android.os.StrictMode;
-import android.util.Log;
-import android.util.Slog;
-
-import dalvik.system.SocketTagger;
-
-import java.io.FileDescriptor;
-import java.net.SocketException;
-
-/**
- * Assigns tags to sockets for traffic stats.
- */
-public final class NetworkManagementSocketTagger extends SocketTagger {
-    private static final String TAG = "NetworkManagementSocketTagger";
-    private static final boolean LOGD = false;
-
-    private static ThreadLocal<SocketTags> threadSocketTags = new ThreadLocal<SocketTags>() {
-        @Override
-        protected SocketTags initialValue() {
-            return new SocketTags();
-        }
-    };
-
-    public static void install() {
-        SocketTagger.set(new NetworkManagementSocketTagger());
-    }
-
-    public static int setThreadSocketStatsTag(int tag) {
-        final int old = threadSocketTags.get().statsTag;
-        threadSocketTags.get().statsTag = tag;
-        return old;
-    }
-
-    public static int getThreadSocketStatsTag() {
-        return threadSocketTags.get().statsTag;
-    }
-
-    public static int setThreadSocketStatsUid(int uid) {
-        final int old = threadSocketTags.get().statsUid;
-        threadSocketTags.get().statsUid = uid;
-        return old;
-    }
-
-    public static int getThreadSocketStatsUid() {
-        return threadSocketTags.get().statsUid;
-    }
-
-    @Override
-    public void tag(FileDescriptor fd) throws SocketException {
-        final SocketTags options = threadSocketTags.get();
-        if (LOGD) {
-            Log.d(TAG, "tagSocket(" + fd.getInt$() + ") with statsTag=0x"
-                    + Integer.toHexString(options.statsTag) + ", statsUid=" + options.statsUid);
-        }
-        if (options.statsTag == -1) {
-            StrictMode.noteUntaggedSocket();
-        }
-        // TODO: skip tagging when options would be no-op
-        tagSocketFd(fd, options.statsTag, options.statsUid);
-    }
-
-    private void tagSocketFd(FileDescriptor fd, int tag, int uid) {
-        if (tag == -1 && uid == -1) return;
-
-        final int errno = native_tagSocketFd(fd, tag, uid);
-        if (errno < 0) {
-            Log.i(TAG, "tagSocketFd(" + fd.getInt$() + ", "
-                    + tag + ", "
-                    + uid + ") failed with errno" + errno);
-        }
-    }
-
-    @Override
-    public void untag(FileDescriptor fd) throws SocketException {
-        if (LOGD) {
-            Log.i(TAG, "untagSocket(" + fd.getInt$() + ")");
-        }
-        unTagSocketFd(fd);
-    }
-
-    private void unTagSocketFd(FileDescriptor fd) {
-        final SocketTags options = threadSocketTags.get();
-        if (options.statsTag == -1 && options.statsUid == -1) return;
-
-        final int errno = native_untagSocketFd(fd);
-        if (errno < 0) {
-            Log.w(TAG, "untagSocket(" + fd.getInt$() + ") failed with errno " + errno);
-        }
-    }
-
-    public static class SocketTags {
-        public int statsTag = -1;
-        public int statsUid = -1;
-    }
-
-    public static void setKernelCounterSet(int uid, int counterSet) {
-        final int errno = native_setCounterSet(counterSet, uid);
-        if (errno < 0) {
-            Log.w(TAG, "setKernelCountSet(" + uid + ", " + counterSet + ") failed with errno "
-                    + errno);
-        }
-    }
-
-    public static void resetKernelUidStats(int uid) {
-        int errno = native_deleteTagData(0, uid);
-        if (errno < 0) {
-            Slog.w(TAG, "problem clearing counters for uid " + uid + " : errno " + errno);
-        }
-    }
-
-    /**
-     * Convert {@code /proc/} tag format to {@link Integer}. Assumes incoming
-     * format like {@code 0x7fffffff00000000}.
-     */
-    public static int kernelToTag(String string) {
-        int length = string.length();
-        if (length > 10) {
-            return Long.decode(string.substring(0, length - 8)).intValue();
-        } else {
-            return 0;
-        }
-    }
-
-    private static native int native_tagSocketFd(FileDescriptor fd, int tag, int uid);
-    private static native int native_untagSocketFd(FileDescriptor fd);
-    private static native int native_setCounterSet(int uid, int counterSetNum);
-    private static native int native_deleteTagData(int tag, int uid);
-}