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16 package io.netty.channel.nio;
17
18 import io.netty.channel.Channel;
19 import io.netty.channel.DefaultSelectStrategyFactory;
20 import io.netty.channel.EventLoopTaskQueueFactory;
21 import io.netty.channel.IoEventLoop;
22 import io.netty.channel.IoEventLoopGroup;
23 import io.netty.channel.IoHandlerFactory;
24 import io.netty.channel.MultiThreadIoEventLoopGroup;
25 import io.netty.channel.SelectStrategyFactory;
26 import io.netty.channel.SingleThreadEventLoop;
27 import io.netty.util.concurrent.EventExecutor;
28 import io.netty.util.concurrent.EventExecutorChooserFactory;
29 import io.netty.util.concurrent.RejectedExecutionHandler;
30 import io.netty.util.concurrent.RejectedExecutionHandlers;
31 import io.netty.util.internal.logging.InternalLogger;
32 import io.netty.util.internal.logging.InternalLoggerFactory;
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34 import java.nio.channels.Selector;
35 import java.nio.channels.spi.SelectorProvider;
36 import java.util.concurrent.Executor;
37 import java.util.concurrent.ThreadFactory;
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43
44 @Deprecated
45 public class NioEventLoopGroup extends MultiThreadIoEventLoopGroup implements IoEventLoopGroup {
46
47 private static final InternalLogger LOGGER = InternalLoggerFactory.getInstance(NioEventLoopGroup.class);
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53 public NioEventLoopGroup() {
54 this(0);
55 }
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61 public NioEventLoopGroup(int nThreads) {
62 this(nThreads, (Executor) null);
63 }
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69 public NioEventLoopGroup(ThreadFactory threadFactory) {
70 this(0, threadFactory, SelectorProvider.provider());
71 }
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77 public NioEventLoopGroup(int nThreads, ThreadFactory threadFactory) {
78 this(nThreads, threadFactory, SelectorProvider.provider());
79 }
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81 public NioEventLoopGroup(int nThreads, Executor executor) {
82 this(nThreads, executor, SelectorProvider.provider());
83 }
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89 public NioEventLoopGroup(
90 int nThreads, ThreadFactory threadFactory, final SelectorProvider selectorProvider) {
91 this(nThreads, threadFactory, selectorProvider, DefaultSelectStrategyFactory.INSTANCE);
92 }
93
94 public NioEventLoopGroup(int nThreads, ThreadFactory threadFactory,
95 final SelectorProvider selectorProvider, final SelectStrategyFactory selectStrategyFactory) {
96 super(nThreads, threadFactory, NioIoHandler.newFactory(selectorProvider, selectStrategyFactory),
97 RejectedExecutionHandlers.reject());
98 }
99
100 public NioEventLoopGroup(
101 int nThreads, Executor executor, final SelectorProvider selectorProvider) {
102 this(nThreads, executor, selectorProvider, DefaultSelectStrategyFactory.INSTANCE);
103 }
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105 public NioEventLoopGroup(int nThreads, Executor executor, final SelectorProvider selectorProvider,
106 final SelectStrategyFactory selectStrategyFactory) {
107 super(nThreads, executor, NioIoHandler.newFactory(selectorProvider, selectStrategyFactory),
108 RejectedExecutionHandlers.reject());
109 }
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111 public NioEventLoopGroup(int nThreads, Executor executor, EventExecutorChooserFactory chooserFactory,
112 final SelectorProvider selectorProvider,
113 final SelectStrategyFactory selectStrategyFactory) {
114 super(nThreads, executor, NioIoHandler.newFactory(selectorProvider, selectStrategyFactory), chooserFactory,
115 RejectedExecutionHandlers.reject());
116 }
117
118 public NioEventLoopGroup(int nThreads, Executor executor, EventExecutorChooserFactory chooserFactory,
119 final SelectorProvider selectorProvider,
120 final SelectStrategyFactory selectStrategyFactory,
121 final RejectedExecutionHandler rejectedExecutionHandler) {
122 super(nThreads, executor, NioIoHandler.newFactory(selectorProvider, selectStrategyFactory), chooserFactory,
123 rejectedExecutionHandler);
124 }
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126 public NioEventLoopGroup(int nThreads, Executor executor, EventExecutorChooserFactory chooserFactory,
127 final SelectorProvider selectorProvider,
128 final SelectStrategyFactory selectStrategyFactory,
129 final RejectedExecutionHandler rejectedExecutionHandler,
130 final EventLoopTaskQueueFactory taskQueueFactory) {
131 super(nThreads, executor, NioIoHandler.newFactory(selectorProvider, selectStrategyFactory), chooserFactory,
132 rejectedExecutionHandler, taskQueueFactory);
133 }
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149 public NioEventLoopGroup(int nThreads, Executor executor, EventExecutorChooserFactory chooserFactory,
150 SelectorProvider selectorProvider,
151 SelectStrategyFactory selectStrategyFactory,
152 RejectedExecutionHandler rejectedExecutionHandler,
153 EventLoopTaskQueueFactory taskQueueFactory,
154 EventLoopTaskQueueFactory tailTaskQueueFactory) {
155 super(nThreads, executor, NioIoHandler.newFactory(selectorProvider, selectStrategyFactory), chooserFactory,
156 rejectedExecutionHandler, taskQueueFactory, tailTaskQueueFactory);
157 }
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164 @Deprecated
165 public void setIoRatio(int ioRatio) {
166 LOGGER.debug("NioEventLoopGroup.setIoRatio(int) logic was removed, this is a no-op");
167 }
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173 public void rebuildSelectors() {
174 for (EventExecutor e: this) {
175 ((NioEventLoop) e).rebuildSelector();
176 }
177 }
178
179 @Override
180 protected IoEventLoop newChild(Executor executor, IoHandlerFactory ioHandlerFactory, Object... args) {
181 RejectedExecutionHandler rejectedExecutionHandler = (RejectedExecutionHandler) args[0];
182 EventLoopTaskQueueFactory taskQueueFactory = null;
183 EventLoopTaskQueueFactory tailTaskQueueFactory = null;
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185 int argsLength = args.length;
186 if (argsLength > 1) {
187 taskQueueFactory = (EventLoopTaskQueueFactory) args[1];
188 }
189 if (argsLength > 2) {
190 tailTaskQueueFactory = (EventLoopTaskQueueFactory) args[2];
191 }
192 return new NioEventLoop(
193 this, executor, ioHandlerFactory, taskQueueFactory, tailTaskQueueFactory, rejectedExecutionHandler);
194 }
195 }