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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a>
<span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a>
<span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a>
<span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a>
<span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a>
<span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> */<a name="line.19"></a>
<span class="sourceLineNo">020</span>package org.apache.mina.core.service;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.net.SocketAddress;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Set;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.mina.core.session.IoSession;<a name="line.27"></a>
<span class="sourceLineNo">028</span><a name="line.28"></a>
<span class="sourceLineNo">029</span>/**<a name="line.29"></a>
<span class="sourceLineNo">030</span> * Accepts incoming connection, communicates with clients, and fires events to<a name="line.30"></a>
<span class="sourceLineNo">031</span> * {@link IoHandler}s.<a name="line.31"></a>
<span class="sourceLineNo">032</span> * &lt;p&gt;<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Please refer to<a name="line.33"></a>
<span class="sourceLineNo">034</span> * &lt;a href="../../../../../xref-examples/org/apache/mina/examples/echoserver/Main.html"&gt;EchoServer&lt;/a&gt;<a name="line.34"></a>
<span class="sourceLineNo">035</span> * example.<a name="line.35"></a>
<span class="sourceLineNo">036</span> * &lt;p&gt;<a name="line.36"></a>
<span class="sourceLineNo">037</span> * You should bind to the desired socket address to accept incoming<a name="line.37"></a>
<span class="sourceLineNo">038</span> * connections, and then events for incoming connections will be sent to<a name="line.38"></a>
<span class="sourceLineNo">039</span> * the specified default {@link IoHandler}.<a name="line.39"></a>
<span class="sourceLineNo">040</span> * &lt;p&gt;<a name="line.40"></a>
<span class="sourceLineNo">041</span> * Threads accept incoming connections start automatically when<a name="line.41"></a>
<span class="sourceLineNo">042</span> * {@link #bind()} is invoked, and stop when {@link #unbind()} is invoked.<a name="line.42"></a>
<span class="sourceLineNo">043</span> *<a name="line.43"></a>
<span class="sourceLineNo">044</span> * @author &lt;a href="http://mina.apache.org"&gt;Apache MINA Project&lt;/a&gt;<a name="line.44"></a>
<span class="sourceLineNo">045</span> */<a name="line.45"></a>
<span class="sourceLineNo">046</span>public interface IoAcceptor extends IoService {<a name="line.46"></a>
<span class="sourceLineNo">047</span> /**<a name="line.47"></a>
<span class="sourceLineNo">048</span> * Returns the local address which is bound currently. If more than one<a name="line.48"></a>
<span class="sourceLineNo">049</span> * address are bound, only one of them will be returned, but it's not<a name="line.49"></a>
<span class="sourceLineNo">050</span> * necessarily the firstly bound address.<a name="line.50"></a>
<span class="sourceLineNo">051</span> * <a name="line.51"></a>
<span class="sourceLineNo">052</span> * @return The bound LocalAddress<a name="line.52"></a>
<span class="sourceLineNo">053</span> */<a name="line.53"></a>
<span class="sourceLineNo">054</span> SocketAddress getLocalAddress();<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
<span class="sourceLineNo">056</span> /**<a name="line.56"></a>
<span class="sourceLineNo">057</span> * Returns a {@link Set} of the local addresses which are bound currently.<a name="line.57"></a>
<span class="sourceLineNo">058</span> * <a name="line.58"></a>
<span class="sourceLineNo">059</span> * @return The Set of bound LocalAddresses<a name="line.59"></a>
<span class="sourceLineNo">060</span> */<a name="line.60"></a>
<span class="sourceLineNo">061</span> Set&lt;SocketAddress&gt; getLocalAddresses();<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span> /**<a name="line.63"></a>
<span class="sourceLineNo">064</span> * Returns the default local address to bind when no argument is specified<a name="line.64"></a>
<span class="sourceLineNo">065</span> * in {@link #bind()} method. Please note that the default will not be<a name="line.65"></a>
<span class="sourceLineNo">066</span> * used if any local address is specified. If more than one address are<a name="line.66"></a>
<span class="sourceLineNo">067</span> * set, only one of them will be returned, but it's not necessarily the<a name="line.67"></a>
<span class="sourceLineNo">068</span> * firstly specified address in {@link #setDefaultLocalAddresses(List)}.<a name="line.68"></a>
<span class="sourceLineNo">069</span> * <a name="line.69"></a>
<span class="sourceLineNo">070</span> * @return The default bound LocalAddress<a name="line.70"></a>
<span class="sourceLineNo">071</span> */<a name="line.71"></a>
<span class="sourceLineNo">072</span> SocketAddress getDefaultLocalAddress();<a name="line.72"></a>
<span class="sourceLineNo">073</span><a name="line.73"></a>
<span class="sourceLineNo">074</span> /**<a name="line.74"></a>
<span class="sourceLineNo">075</span> * Returns a {@link List} of the default local addresses to bind when no<a name="line.75"></a>
<span class="sourceLineNo">076</span> * argument is specified in {@link #bind()} method. Please note that the<a name="line.76"></a>
<span class="sourceLineNo">077</span> * default will not be used if any local address is specified.<a name="line.77"></a>
<span class="sourceLineNo">078</span> * <a name="line.78"></a>
<span class="sourceLineNo">079</span> * @return The list of default bound LocalAddresses<a name="line.79"></a>
<span class="sourceLineNo">080</span> */<a name="line.80"></a>
<span class="sourceLineNo">081</span> List&lt;SocketAddress&gt; getDefaultLocalAddresses();<a name="line.81"></a>
<span class="sourceLineNo">082</span><a name="line.82"></a>
<span class="sourceLineNo">083</span> /**<a name="line.83"></a>
<span class="sourceLineNo">084</span> * Sets the default local address to bind when no argument is specified in<a name="line.84"></a>
<span class="sourceLineNo">085</span> * {@link #bind()} method. Please note that the default will not be used<a name="line.85"></a>
<span class="sourceLineNo">086</span> * if any local address is specified.<a name="line.86"></a>
<span class="sourceLineNo">087</span> * <a name="line.87"></a>
<span class="sourceLineNo">088</span> * @param localAddress The local addresses to bind the acceptor on<a name="line.88"></a>
<span class="sourceLineNo">089</span> */<a name="line.89"></a>
<span class="sourceLineNo">090</span> void setDefaultLocalAddress(SocketAddress localAddress);<a name="line.90"></a>
<span class="sourceLineNo">091</span><a name="line.91"></a>
<span class="sourceLineNo">092</span> /**<a name="line.92"></a>
<span class="sourceLineNo">093</span> * Sets the default local addresses to bind when no argument is specified<a name="line.93"></a>
<span class="sourceLineNo">094</span> * in {@link #bind()} method. Please note that the default will not be<a name="line.94"></a>
<span class="sourceLineNo">095</span> * used if any local address is specified.<a name="line.95"></a>
<span class="sourceLineNo">096</span> * @param firstLocalAddress The first local address to bind the acceptor on<a name="line.96"></a>
<span class="sourceLineNo">097</span> * @param otherLocalAddresses The other local addresses to bind the acceptor on<a name="line.97"></a>
<span class="sourceLineNo">098</span> */<a name="line.98"></a>
<span class="sourceLineNo">099</span> void setDefaultLocalAddresses(SocketAddress firstLocalAddress, SocketAddress... otherLocalAddresses);<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span> /**<a name="line.101"></a>
<span class="sourceLineNo">102</span> * Sets the default local addresses to bind when no argument is specified<a name="line.102"></a>
<span class="sourceLineNo">103</span> * in {@link #bind()} method. Please note that the default will not be<a name="line.103"></a>
<span class="sourceLineNo">104</span> * used if any local address is specified.<a name="line.104"></a>
<span class="sourceLineNo">105</span> * <a name="line.105"></a>
<span class="sourceLineNo">106</span> * @param localAddresses The local addresses to bind the acceptor on<a name="line.106"></a>
<span class="sourceLineNo">107</span> */<a name="line.107"></a>
<span class="sourceLineNo">108</span> void setDefaultLocalAddresses(Iterable&lt;? extends SocketAddress&gt; localAddresses);<a name="line.108"></a>
<span class="sourceLineNo">109</span><a name="line.109"></a>
<span class="sourceLineNo">110</span> /**<a name="line.110"></a>
<span class="sourceLineNo">111</span> * Sets the default local addresses to bind when no argument is specified<a name="line.111"></a>
<span class="sourceLineNo">112</span> * in {@link #bind()} method. Please note that the default will not be<a name="line.112"></a>
<span class="sourceLineNo">113</span> * used if any local address is specified.<a name="line.113"></a>
<span class="sourceLineNo">114</span> * <a name="line.114"></a>
<span class="sourceLineNo">115</span> * @param localAddresses The local addresses to bind the acceptor on<a name="line.115"></a>
<span class="sourceLineNo">116</span> */<a name="line.116"></a>
<span class="sourceLineNo">117</span> void setDefaultLocalAddresses(List&lt;? extends SocketAddress&gt; localAddresses);<a name="line.117"></a>
<span class="sourceLineNo">118</span><a name="line.118"></a>
<span class="sourceLineNo">119</span> /**<a name="line.119"></a>
<span class="sourceLineNo">120</span> * Returns &lt;tt&gt;true&lt;/tt&gt; if and only if all clients are closed when this<a name="line.120"></a>
<span class="sourceLineNo">121</span> * acceptor unbinds from all the related local address (i.e. when the<a name="line.121"></a>
<span class="sourceLineNo">122</span> * service is deactivated).<a name="line.122"></a>
<span class="sourceLineNo">123</span> * <a name="line.123"></a>
<span class="sourceLineNo">124</span> * @return &lt;tt&gt;true&lt;/tt&gt; if the service sets the closeOnDeactivation flag<a name="line.124"></a>
<span class="sourceLineNo">125</span> */<a name="line.125"></a>
<span class="sourceLineNo">126</span> boolean isCloseOnDeactivation();<a name="line.126"></a>
<span class="sourceLineNo">127</span><a name="line.127"></a>
<span class="sourceLineNo">128</span> /**<a name="line.128"></a>
<span class="sourceLineNo">129</span> * Sets whether all client sessions are closed when this acceptor unbinds<a name="line.129"></a>
<span class="sourceLineNo">130</span> * from all the related local addresses (i.e. when the service is<a name="line.130"></a>
<span class="sourceLineNo">131</span> * deactivated). The default value is &lt;tt&gt;true&lt;/tt&gt;.<a name="line.131"></a>
<span class="sourceLineNo">132</span> * <a name="line.132"></a>
<span class="sourceLineNo">133</span> * @param closeOnDeactivation &lt;tt&gt;true&lt;/tt&gt; if we should close on deactivation<a name="line.133"></a>
<span class="sourceLineNo">134</span> */<a name="line.134"></a>
<span class="sourceLineNo">135</span> void setCloseOnDeactivation(boolean closeOnDeactivation);<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span> /**<a name="line.137"></a>
<span class="sourceLineNo">138</span> * Binds to the default local address(es) and start to accept incoming<a name="line.138"></a>
<span class="sourceLineNo">139</span> * connections.<a name="line.139"></a>
<span class="sourceLineNo">140</span> *<a name="line.140"></a>
<span class="sourceLineNo">141</span> * @throws IOException if failed to bind<a name="line.141"></a>
<span class="sourceLineNo">142</span> */<a name="line.142"></a>
<span class="sourceLineNo">143</span> void bind() throws IOException;<a name="line.143"></a>
<span class="sourceLineNo">144</span><a name="line.144"></a>
<span class="sourceLineNo">145</span> /**<a name="line.145"></a>
<span class="sourceLineNo">146</span> * Binds to the specified local address and start to accept incoming<a name="line.146"></a>
<span class="sourceLineNo">147</span> * connections.<a name="line.147"></a>
<span class="sourceLineNo">148</span> *<a name="line.148"></a>
<span class="sourceLineNo">149</span> * @param localAddress The SocketAddress to bind to<a name="line.149"></a>
<span class="sourceLineNo">150</span> * <a name="line.150"></a>
<span class="sourceLineNo">151</span> * @throws IOException if failed to bind<a name="line.151"></a>
<span class="sourceLineNo">152</span> */<a name="line.152"></a>
<span class="sourceLineNo">153</span> void bind(SocketAddress localAddress) throws IOException;<a name="line.153"></a>
<span class="sourceLineNo">154</span><a name="line.154"></a>
<span class="sourceLineNo">155</span> /**<a name="line.155"></a>
<span class="sourceLineNo">156</span> * Binds to the specified local addresses and start to accept incoming<a name="line.156"></a>
<span class="sourceLineNo">157</span> * connections. If no address is given, bind on the default local address.<a name="line.157"></a>
<span class="sourceLineNo">158</span> * <a name="line.158"></a>
<span class="sourceLineNo">159</span> * @param firstLocalAddress The first address to bind to<a name="line.159"></a>
<span class="sourceLineNo">160</span> * @param addresses The SocketAddresses to bind to<a name="line.160"></a>
<span class="sourceLineNo">161</span> * <a name="line.161"></a>
<span class="sourceLineNo">162</span> * @throws IOException if failed to bind<a name="line.162"></a>
<span class="sourceLineNo">163</span> */<a name="line.163"></a>
<span class="sourceLineNo">164</span> void bind(SocketAddress firstLocalAddress, SocketAddress... addresses) throws IOException;<a name="line.164"></a>
<span class="sourceLineNo">165</span><a name="line.165"></a>
<span class="sourceLineNo">166</span> /**<a name="line.166"></a>
<span class="sourceLineNo">167</span> * Binds to the specified local addresses and start to accept incoming<a name="line.167"></a>
<span class="sourceLineNo">168</span> * connections. If no address is given, bind on the default local address.<a name="line.168"></a>
<span class="sourceLineNo">169</span> * <a name="line.169"></a>
<span class="sourceLineNo">170</span> * @param addresses The SocketAddresses to bind to<a name="line.170"></a>
<span class="sourceLineNo">171</span> *<a name="line.171"></a>
<span class="sourceLineNo">172</span> * @throws IOException if failed to bind<a name="line.172"></a>
<span class="sourceLineNo">173</span> */<a name="line.173"></a>
<span class="sourceLineNo">174</span> void bind(SocketAddress... addresses) throws IOException;<a name="line.174"></a>
<span class="sourceLineNo">175</span><a name="line.175"></a>
<span class="sourceLineNo">176</span> /**<a name="line.176"></a>
<span class="sourceLineNo">177</span> * Binds to the specified local addresses and start to accept incoming<a name="line.177"></a>
<span class="sourceLineNo">178</span> * connections.<a name="line.178"></a>
<span class="sourceLineNo">179</span> *<a name="line.179"></a>
<span class="sourceLineNo">180</span> * @param localAddresses The local address we will be bound to<a name="line.180"></a>
<span class="sourceLineNo">181</span> * @throws IOException if failed to bind<a name="line.181"></a>
<span class="sourceLineNo">182</span> */<a name="line.182"></a>
<span class="sourceLineNo">183</span> void bind(Iterable&lt;? extends SocketAddress&gt; localAddresses) throws IOException;<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span> /**<a name="line.185"></a>
<span class="sourceLineNo">186</span> * Unbinds from all local addresses that this service is bound to and stops<a name="line.186"></a>
<span class="sourceLineNo">187</span> * to accept incoming connections. All managed connections will be closed<a name="line.187"></a>
<span class="sourceLineNo">188</span> * if {@link #setCloseOnDeactivation(boolean) disconnectOnUnbind} property<a name="line.188"></a>
<span class="sourceLineNo">189</span> * is &lt;tt&gt;true&lt;/tt&gt;. This method returns silently if no local address is<a name="line.189"></a>
<span class="sourceLineNo">190</span> * bound yet.<a name="line.190"></a>
<span class="sourceLineNo">191</span> */<a name="line.191"></a>
<span class="sourceLineNo">192</span> void unbind();<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span> /**<a name="line.194"></a>
<span class="sourceLineNo">195</span> * Unbinds from the specified local address and stop to accept incoming<a name="line.195"></a>
<span class="sourceLineNo">196</span> * connections. All managed connections will be closed if<a name="line.196"></a>
<span class="sourceLineNo">197</span> * {@link #setCloseOnDeactivation(boolean) disconnectOnUnbind} property is<a name="line.197"></a>
<span class="sourceLineNo">198</span> * &lt;tt&gt;true&lt;/tt&gt;. This method returns silently if the default local<a name="line.198"></a>
<span class="sourceLineNo">199</span> * address is not bound yet.<a name="line.199"></a>
<span class="sourceLineNo">200</span> * <a name="line.200"></a>
<span class="sourceLineNo">201</span> * @param localAddress The local address we will be unbound from<a name="line.201"></a>
<span class="sourceLineNo">202</span> */<a name="line.202"></a>
<span class="sourceLineNo">203</span> void unbind(SocketAddress localAddress);<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span> /**<a name="line.205"></a>
<span class="sourceLineNo">206</span> * Unbinds from the specified local addresses and stop to accept incoming<a name="line.206"></a>
<span class="sourceLineNo">207</span> * connections. All managed connections will be closed if<a name="line.207"></a>
<span class="sourceLineNo">208</span> * {@link #setCloseOnDeactivation(boolean) disconnectOnUnbind} property is<a name="line.208"></a>
<span class="sourceLineNo">209</span> * &lt;tt&gt;true&lt;/tt&gt;. This method returns silently if the default local<a name="line.209"></a>
<span class="sourceLineNo">210</span> * addresses are not bound yet.<a name="line.210"></a>
<span class="sourceLineNo">211</span> * <a name="line.211"></a>
<span class="sourceLineNo">212</span> * @param firstLocalAddress The first local address to be unbound from<a name="line.212"></a>
<span class="sourceLineNo">213</span> * @param otherLocalAddresses The other local address to be unbound from<a name="line.213"></a>
<span class="sourceLineNo">214</span> */<a name="line.214"></a>
<span class="sourceLineNo">215</span> void unbind(SocketAddress firstLocalAddress, SocketAddress... otherLocalAddresses);<a name="line.215"></a>
<span class="sourceLineNo">216</span><a name="line.216"></a>
<span class="sourceLineNo">217</span> /**<a name="line.217"></a>
<span class="sourceLineNo">218</span> * Unbinds from the specified local addresses and stop to accept incoming<a name="line.218"></a>
<span class="sourceLineNo">219</span> * connections. All managed connections will be closed if<a name="line.219"></a>
<span class="sourceLineNo">220</span> * {@link #setCloseOnDeactivation(boolean) disconnectOnUnbind} property is<a name="line.220"></a>
<span class="sourceLineNo">221</span> * &lt;tt&gt;true&lt;/tt&gt;. This method returns silently if the default local<a name="line.221"></a>
<span class="sourceLineNo">222</span> * addresses are not bound yet.<a name="line.222"></a>
<span class="sourceLineNo">223</span> * <a name="line.223"></a>
<span class="sourceLineNo">224</span> * @param localAddresses The local address we will be unbound from<a name="line.224"></a>
<span class="sourceLineNo">225</span> */<a name="line.225"></a>
<span class="sourceLineNo">226</span> void unbind(Iterable&lt;? extends SocketAddress&gt; localAddresses);<a name="line.226"></a>
<span class="sourceLineNo">227</span><a name="line.227"></a>
<span class="sourceLineNo">228</span> /**<a name="line.228"></a>
<span class="sourceLineNo">229</span> * (Optional) Returns an {@link IoSession} that is bound to the specified<a name="line.229"></a>
<span class="sourceLineNo">230</span> * &lt;tt&gt;localAddress&lt;/tt&gt; and the specified &lt;tt&gt;remoteAddress&lt;/tt&gt; which<a name="line.230"></a>
<span class="sourceLineNo">231</span> * reuses the local address that is already bound by this service.<a name="line.231"></a>
<span class="sourceLineNo">232</span> * &lt;p&gt;<a name="line.232"></a>
<span class="sourceLineNo">233</span> * This operation is optional. Please throw {@link UnsupportedOperationException}<a name="line.233"></a>
<span class="sourceLineNo">234</span> * if the transport type doesn't support this operation. This operation is<a name="line.234"></a>
<span class="sourceLineNo">235</span> * usually implemented for connectionless transport types.<a name="line.235"></a>
<span class="sourceLineNo">236</span> *<a name="line.236"></a>
<span class="sourceLineNo">237</span> * @param remoteAddress The remote address bound to the service<a name="line.237"></a>
<span class="sourceLineNo">238</span> * @param localAddress The local address the session will be bound to<a name="line.238"></a>
<span class="sourceLineNo">239</span> * @throws UnsupportedOperationException if this operation is not supported<a name="line.239"></a>
<span class="sourceLineNo">240</span> * @throws IllegalStateException if this service is not running.<a name="line.240"></a>
<span class="sourceLineNo">241</span> * @throws IllegalArgumentException if this service is not bound to the<a name="line.241"></a>
<span class="sourceLineNo">242</span> * specified &lt;tt&gt;localAddress&lt;/tt&gt;.<a name="line.242"></a>
<span class="sourceLineNo">243</span> * @return The session bound to the the given localAddress and remote address<a name="line.243"></a>
<span class="sourceLineNo">244</span> */<a name="line.244"></a>
<span class="sourceLineNo">245</span> IoSession newSession(SocketAddress remoteAddress, SocketAddress localAddress);<a name="line.245"></a>
<span class="sourceLineNo">246</span>}<a name="line.246"></a>
</pre>
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