32 lines
1.1 KiB
Java
32 lines
1.1 KiB
Java
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/*
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* Copyright 2017 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.buffer;
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/**
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* {@link ByteBufAllocator} which exposes metrics.
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*/
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public interface InstrumentedByteBufAllocator extends ByteBufAllocator {
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/**
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* Returns the number of bytes of heap memory used by a {@link ByteBufAllocator} or {@code -1} if unknown.
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*/
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long usedHeapMemory();
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/**
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* Returns the number of bytes of direct memory used by a {@link ByteBufAllocator} or {@code -1} if unknown.
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*/
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long usedDirectMemory();
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}
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