2015-06-05 03:36:55 +02:00
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/*
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* Copyright 2015 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.channel.epoll;
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2016-02-28 02:56:41 +01:00
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import io.netty.channel.ChannelConfig;
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2015-06-05 03:36:55 +02:00
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import io.netty.channel.RecvByteBufAllocator;
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final class EpollRecvByteAllocatorStreamingHandle extends EpollRecvByteAllocatorHandle {
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2016-02-28 02:56:41 +01:00
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public EpollRecvByteAllocatorStreamingHandle(RecvByteBufAllocator.Handle handle, ChannelConfig config) {
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super(handle, config);
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2015-06-05 03:36:55 +02:00
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}
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@Override
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2016-02-28 02:56:41 +01:00
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boolean maybeMoreDataToRead() {
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2015-06-05 03:36:55 +02:00
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/**
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* For stream oriented descriptors we can assume we are done reading if the last read attempt didn't produce
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* a full buffer (see Q9 in <a href="http://man7.org/linux/man-pages/man7/epoll.7.html">epoll man</a>).
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2017-01-07 10:04:29 +01:00
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*
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* If EPOLLRDHUP has been received we must read until we get a read error.
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2015-06-05 03:36:55 +02:00
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*/
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2017-01-07 10:04:29 +01:00
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return isEdgeTriggered() && (lastBytesRead() == attemptedBytesRead() || isReceivedRdHup());
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2015-06-05 03:36:55 +02:00
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}
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}
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