1 files changed, 0 insertions, 94 deletions
diff --git a/common/framework/com/android/net/module/util/PerUidCounter.java b/common/framework/com/android/net/module/util/PerUidCounter.java
deleted file mode 100644
index 463b0c42..00000000
--- a/common/framework/com/android/net/module/util/PerUidCounter.java
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2022 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.net.module.util;
-
-import android.util.SparseIntArray;
-
-import com.android.internal.annotations.GuardedBy;
-import com.android.internal.annotations.VisibleForTesting;
-
-/**
- * Keeps track of the counters under different uid, fire exception if the counter
- * exceeded the specified maximum value.
- *
- * @hide
- */
-public class PerUidCounter {
-    private final int mMaxCountPerUid;
-
-    // Map from UID to count that UID has filed.
-    @VisibleForTesting
-    @GuardedBy("this")
-    final SparseIntArray mUidToCount = new SparseIntArray();
-
-    /**
-     * Constructor
-     *
-     * @param maxCountPerUid the maximum count per uid allowed
-     */
-    public PerUidCounter(final int maxCountPerUid) {
-        if (maxCountPerUid <= 0) {
-            throw new IllegalArgumentException("Maximum counter value must be positive");
-        }
-        mMaxCountPerUid = maxCountPerUid;
-    }
-
-    /**
-     * Increments the count of the given uid.  Throws an exception if the number
-     * of the counter for the uid exceeds the value of maxCounterPerUid which is the value
-     * passed into the constructor. see: {@link #PerUidCounter(int)}.
-     *
-     * @throws IllegalStateException if the number of counter for the uid exceed
-     *         the allowed number.
-     *
-     * @param uid the uid that the counter was made under
-     */
-    public synchronized void incrementCountOrThrow(final int uid) {
-        final long newCount = ((long) mUidToCount.get(uid, 0)) + 1;
-        if (newCount > mMaxCountPerUid) {
-            throw new IllegalStateException("Uid " + uid + " exceeded its allowed limit");
-        }
-        // Since the count cannot be greater than Integer.MAX_VALUE here since mMaxCountPerUid
-        // is an integer, it is safe to cast to int.
-        mUidToCount.put(uid, (int) newCount);
-    }
-
-    /**
-     * Decrements the count of the given uid. Throws an exception if the number
-     * of the counter goes below zero.
-     *
-     * @throws IllegalStateException if the number of counter for the uid goes below
-     *         zero.
-     *
-     * @param uid the uid that the count was made under
-     */
-    public synchronized void decrementCountOrThrow(final int uid) {
-        final int newCount = mUidToCount.get(uid, 0) - 1;
-        if (newCount < 0) {
-            throw new IllegalStateException("BUG: too small count " + newCount + " for UID " + uid);
-        } else if (newCount == 0) {
-            mUidToCount.delete(uid);
-        } else {
-            mUidToCount.put(uid, newCount);
-        }
-    }
-
-    @VisibleForTesting
-    public synchronized int get(int uid) {
-        return mUidToCount.get(uid, 0);
-    }
-}