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Java example source code file (EpollRecvByteAllocatorHandle.java)
The EpollRecvByteAllocatorHandle.java Java example source code/* * Copyright 2015 The Netty Project * * The Netty Project licenses this file to you 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 io.netty.channel.epoll; import io.netty.channel.ChannelConfig; import io.netty.channel.RecvByteBufAllocator; class EpollRecvByteAllocatorHandle extends RecvByteBufAllocator.DelegatingHandle { private boolean isEdgeTriggered; private final ChannelConfig config; private boolean receivedRdHup; EpollRecvByteAllocatorHandle(RecvByteBufAllocator.Handle handle, ChannelConfig config) { super(handle); this.config = config; } final void receivedRdHup() { receivedRdHup = true; } boolean maybeMoreDataToRead() { return isEdgeTriggered && lastBytesRead() > 0; } final void edgeTriggered(boolean edgeTriggered) { isEdgeTriggered = edgeTriggered; } final boolean isEdgeTriggered() { return isEdgeTriggered; } @Override public final boolean continueReading() { /** * EPOLL ET requires that we read until we get an EAGAIN * (see Q9 in <a href="http://man7.org/linux/man-pages/man7/epoll.7.html">epoll man). However in order to * respect auto read we supporting reading to stop if auto read is off. If auto read is on we force reading to * continue to avoid a {@link StackOverflowError} between channelReadComplete and reading from the * channel. It is expected that the {@link #EpollSocketChannel} implementations will track if we are in * edgeTriggered mode and all data was not read, and will force a EPOLLIN ready event. * * If EPOLLRDHUP has been received we must read until we get a read error. */ return receivedRdHup || maybeMoreDataToRead() && config.isAutoRead() || super.continueReading(); } } Other Java examples (source code examples)Here is a short list of links related to this Java EpollRecvByteAllocatorHandle.java source code file: |
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