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| 91 | org.apache.hadoop.net</FONT> |
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| 92 | <BR> |
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| 93 | Class NetUtils</H2> |
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| 94 | <PRE> |
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| 95 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> |
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| 97 | </PRE> |
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| 99 | <DL> |
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| 100 | <DT><PRE>public class <B>NetUtils</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL> |
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| 101 | </PRE> |
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| 114 | <B>Constructor Summary</B></FONT></TH> |
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| 115 | </TR> |
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| 116 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 117 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#NetUtils()">NetUtils</A></B>()</CODE> |
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| 118 | |
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| 119 | <BR> |
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| 130 | <B>Method Summary</B></FONT></TH> |
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| 131 | </TR> |
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| 132 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 133 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 134 | <CODE>static void</CODE></FONT></TD> |
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| 135 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#addStaticResolution(java.lang.String, java.lang.String)">addStaticResolution</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> host, |
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| 136 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> resolvedName)</CODE> |
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| 137 | |
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| 138 | <BR> |
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| 139 | Adds a static resolution for host.</TD> |
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| 140 | </TR> |
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| 141 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 142 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 143 | <CODE>static void</CODE></FONT></TD> |
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| 144 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#connect(java.net.Socket, java.net.SocketAddress, int)">connect</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</A> socket, |
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| 145 | <A HREF="http://java.sun.com/javase/6/docs/api/java/net/SocketAddress.html?is-external=true" title="class or interface in java.net">SocketAddress</A> endpoint, |
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| 146 | int timeout)</CODE> |
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| 147 | |
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| 148 | <BR> |
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| 149 | This is a drop-in replacement for |
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| 150 | <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#connect(java.net.SocketAddress, int)" title="class or interface in java.net"><CODE>Socket.connect(SocketAddress, int)</CODE></A>.</TD> |
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| 151 | </TR> |
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| 152 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 153 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 154 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</A></CODE></FONT></TD> |
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| 155 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#createSocketAddr(java.lang.String)">createSocketAddr</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> target)</CODE> |
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| 156 | |
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| 157 | <BR> |
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| 158 | Util method to build socket addr from either: |
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| 159 | <host>:<post> |
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| 160 | <fs>://<host>:<port>/<path></TD> |
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| 161 | </TR> |
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| 162 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 163 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 164 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</A></CODE></FONT></TD> |
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| 165 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#createSocketAddr(java.lang.String, int)">createSocketAddr</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> target, |
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| 166 | int defaultPort)</CODE> |
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| 167 | |
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| 168 | <BR> |
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| 169 | Util method to build socket addr from either: |
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| 170 | <host> |
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| 171 | <host>:<post> |
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| 172 | <fs>://<host>:<port>/<path></TD> |
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| 173 | </TR> |
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| 174 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 175 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 176 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[]></CODE></FONT></TD> |
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| 177 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getAllStaticResolutions()">getAllStaticResolutions</A></B>()</CODE> |
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| 178 | |
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| 179 | <BR> |
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| 180 | This is used to get all the resolutions that were added using |
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| 181 | <A HREF="../../../../org/apache/hadoop/net/NetUtils.html#addStaticResolution(java.lang.String, java.lang.String)"><CODE>addStaticResolution(String, String)</CODE></A>.</TD> |
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| 182 | </TR> |
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| 183 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 184 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 185 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</A></CODE></FONT></TD> |
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| 186 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getConnectAddress(org.apache.hadoop.ipc.Server)">getConnectAddress</A></B>(<A HREF="../../../../org/apache/hadoop/ipc/Server.html" title="class in org.apache.hadoop.ipc">Server</A> server)</CODE> |
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| 187 | |
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| 188 | <BR> |
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| 189 | Returns InetSocketAddress that a client can use to |
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| 190 | connect to the server.</TD> |
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| 191 | </TR> |
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| 192 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 193 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 194 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/javax/net/SocketFactory.html?is-external=true" title="class or interface in javax.net">SocketFactory</A></CODE></FONT></TD> |
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| 195 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getDefaultSocketFactory(org.apache.hadoop.conf.Configuration)">getDefaultSocketFactory</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</CODE> |
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| 196 | |
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| 197 | <BR> |
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| 198 | Get the default socket factory as specified by the configuration |
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| 199 | parameter <tt>hadoop.rpc.socket.factory.default</tt></TD> |
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| 200 | </TR> |
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| 201 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 202 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 203 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></FONT></TD> |
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| 204 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getInputStream(java.net.Socket)">getInputStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</A> socket)</CODE> |
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| 205 | |
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| 206 | <BR> |
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| 207 | Same as getInputStream(socket, socket.getSoTimeout()).<br><br> |
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| 208 | |
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| 209 | From documentation for <A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getInputStream(java.net.Socket, long)"><CODE>getInputStream(Socket, long)</CODE></A>:<br> |
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| 210 | Returns InputStream for the socket.</TD> |
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| 211 | </TR> |
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| 212 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 213 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 214 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></FONT></TD> |
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| 215 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getInputStream(java.net.Socket, long)">getInputStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</A> socket, |
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| 216 | long timeout)</CODE> |
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| 217 | |
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| 218 | <BR> |
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| 219 | Returns InputStream for the socket.</TD> |
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| 220 | </TR> |
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| 221 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 222 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 223 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A></CODE></FONT></TD> |
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| 224 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getOutputStream(java.net.Socket)">getOutputStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</A> socket)</CODE> |
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| 225 | |
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| 226 | <BR> |
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| 227 | Same as getOutputStream(socket, 0).</TD> |
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| 228 | </TR> |
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| 229 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 230 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 231 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A></CODE></FONT></TD> |
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| 232 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getOutputStream(java.net.Socket, long)">getOutputStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</A> socket, |
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| 233 | long timeout)</CODE> |
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| 234 | |
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| 235 | <BR> |
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| 236 | Returns OutputStream for the socket.</TD> |
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| 237 | </TR> |
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| 238 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 239 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 240 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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| 241 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getServerAddress(org.apache.hadoop.conf.Configuration, java.lang.String, java.lang.String, java.lang.String)">getServerAddress</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 242 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> oldBindAddressName, |
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| 243 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> oldPortName, |
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| 244 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> newBindAddressName)</CODE> |
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| 245 | |
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| 246 | <BR> |
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| 247 | <B>Deprecated.</B> </TD> |
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| 248 | </TR> |
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| 249 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 250 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 251 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/javax/net/SocketFactory.html?is-external=true" title="class or interface in javax.net">SocketFactory</A></CODE></FONT></TD> |
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| 252 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getSocketFactory(org.apache.hadoop.conf.Configuration, java.lang.Class)">getSocketFactory</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 253 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> clazz)</CODE> |
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| 254 | |
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| 255 | <BR> |
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| 256 | Get the socket factory for the given class according to its |
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| 257 | configuration parameter |
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| 258 | <tt>hadoop.rpc.socket.factory.class.<ClassName></tt>.</TD> |
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| 259 | </TR> |
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| 260 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 261 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 262 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/javax/net/SocketFactory.html?is-external=true" title="class or interface in javax.net">SocketFactory</A></CODE></FONT></TD> |
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| 263 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getSocketFactoryFromProperty(org.apache.hadoop.conf.Configuration, java.lang.String)">getSocketFactoryFromProperty</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 264 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> propValue)</CODE> |
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| 265 | |
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| 266 | <BR> |
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| 267 | Get the socket factory corresponding to the given proxy URI.</TD> |
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| 268 | </TR> |
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| 269 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 270 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 271 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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| 272 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getStaticResolution(java.lang.String)">getStaticResolution</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> host)</CODE> |
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| 273 | |
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| 274 | <BR> |
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| 275 | Retrieves the resolved name for the passed host.</TD> |
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| 276 | </TR> |
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| 277 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 278 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 279 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
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| 280 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#normalizeHostName(java.lang.String)">normalizeHostName</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</CODE> |
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| 281 | |
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| 282 | <BR> |
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| 283 | Given a string representation of a host, return its ip address |
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| 284 | in textual presentation.</TD> |
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| 285 | </TR> |
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| 286 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 287 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
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| 288 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>></CODE></FONT></TD> |
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| 289 | <TD><CODE><B><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#normalizeHostNames(java.util.Collection)">normalizeHostNames</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>> names)</CODE> |
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| 290 | |
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| 291 | <BR> |
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| 292 | Given a collection of string representation of hosts, return a list of |
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| 293 | corresponding IP addresses in the textual representation.</TD> |
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| 294 | </TR> |
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| 295 | </TABLE> |
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| 296 | <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
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| 297 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 298 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
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| 299 | <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
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| 300 | </TR> |
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| 301 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
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| 302 | <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
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| 303 | </TR> |
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| 304 | </TABLE> |
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| 305 | |
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| 306 | <P> |
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| 307 | |
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| 308 | <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| 309 | |
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| 310 | <A NAME="constructor_detail"><!-- --></A> |
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| 311 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 312 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 313 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
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| 314 | <B>Constructor Detail</B></FONT></TH> |
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| 315 | </TR> |
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| 316 | </TABLE> |
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| 317 | |
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| 318 | <A NAME="NetUtils()"><!-- --></A><H3> |
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| 319 | NetUtils</H3> |
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| 320 | <PRE> |
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| 321 | public <B>NetUtils</B>()</PRE> |
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| 322 | <DL> |
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| 323 | </DL> |
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| 324 | |
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| 325 | <!-- ============ METHOD DETAIL ========== --> |
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| 326 | |
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| 327 | <A NAME="method_detail"><!-- --></A> |
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| 328 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| 329 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| 330 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
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| 331 | <B>Method Detail</B></FONT></TH> |
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| 332 | </TR> |
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| 333 | </TABLE> |
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| 334 | |
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| 335 | <A NAME="getSocketFactory(org.apache.hadoop.conf.Configuration, java.lang.Class)"><!-- --></A><H3> |
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| 336 | getSocketFactory</H3> |
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| 337 | <PRE> |
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| 338 | public static <A HREF="http://java.sun.com/javase/6/docs/api/javax/net/SocketFactory.html?is-external=true" title="class or interface in javax.net">SocketFactory</A> <B>getSocketFactory</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 339 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> clazz)</PRE> |
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| 340 | <DL> |
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| 341 | <DD>Get the socket factory for the given class according to its |
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| 342 | configuration parameter |
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| 343 | <tt>hadoop.rpc.socket.factory.class.<ClassName></tt>. When no |
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| 344 | such parameter exists then fall back on the default socket factory as |
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| 345 | configured by <tt>hadoop.rpc.socket.factory.class.default</tt>. If |
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| 346 | this default socket factory is not configured, then fall back on the JVM |
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| 347 | default socket factory. |
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| 348 | <P> |
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| 349 | <DD><DL> |
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| 350 | <DT><B>Parameters:</B><DD><CODE>conf</CODE> - the configuration<DD><CODE>clazz</CODE> - the class (usually a <A HREF="../../../../org/apache/hadoop/ipc/VersionedProtocol.html" title="interface in org.apache.hadoop.ipc"><CODE>VersionedProtocol</CODE></A>) |
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| 351 | <DT><B>Returns:</B><DD>a socket factory</DL> |
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| 352 | </DD> |
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| 353 | </DL> |
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| 354 | <HR> |
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| 355 | |
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| 356 | <A NAME="getDefaultSocketFactory(org.apache.hadoop.conf.Configuration)"><!-- --></A><H3> |
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| 357 | getDefaultSocketFactory</H3> |
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| 358 | <PRE> |
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| 359 | public static <A HREF="http://java.sun.com/javase/6/docs/api/javax/net/SocketFactory.html?is-external=true" title="class or interface in javax.net">SocketFactory</A> <B>getDefaultSocketFactory</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf)</PRE> |
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| 360 | <DL> |
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| 361 | <DD>Get the default socket factory as specified by the configuration |
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| 362 | parameter <tt>hadoop.rpc.socket.factory.default</tt> |
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| 363 | <P> |
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| 364 | <DD><DL> |
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| 365 | <DT><B>Parameters:</B><DD><CODE>conf</CODE> - the configuration |
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| 366 | <DT><B>Returns:</B><DD>the default socket factory as specified in the configuration or |
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| 367 | the JVM default socket factory if the configuration does not |
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| 368 | contain a default socket factory property.</DL> |
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| 369 | </DD> |
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| 370 | </DL> |
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| 371 | <HR> |
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| 372 | |
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| 373 | <A NAME="getSocketFactoryFromProperty(org.apache.hadoop.conf.Configuration, java.lang.String)"><!-- --></A><H3> |
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| 374 | getSocketFactoryFromProperty</H3> |
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| 375 | <PRE> |
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| 376 | public static <A HREF="http://java.sun.com/javase/6/docs/api/javax/net/SocketFactory.html?is-external=true" title="class or interface in javax.net">SocketFactory</A> <B>getSocketFactoryFromProperty</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 377 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> propValue)</PRE> |
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| 378 | <DL> |
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| 379 | <DD>Get the socket factory corresponding to the given proxy URI. If the |
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| 380 | given proxy URI corresponds to an absence of configuration parameter, |
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| 381 | returns null. If the URI is malformed raises an exception. |
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| 382 | <P> |
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| 383 | <DD><DL> |
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| 384 | <DT><B>Parameters:</B><DD><CODE>propValue</CODE> - the property which is the class name of the |
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| 385 | SocketFactory to instantiate; assumed non null and non empty. |
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| 386 | <DT><B>Returns:</B><DD>a socket factory as defined in the property value.</DL> |
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| 387 | </DD> |
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| 388 | </DL> |
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| 389 | <HR> |
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| 390 | |
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| 391 | <A NAME="createSocketAddr(java.lang.String)"><!-- --></A><H3> |
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| 392 | createSocketAddr</H3> |
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| 393 | <PRE> |
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| 394 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</A> <B>createSocketAddr</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> target)</PRE> |
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| 395 | <DL> |
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| 396 | <DD>Util method to build socket addr from either: |
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| 397 | <host>:<post> |
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| 398 | <fs>://<host>:<port>/<path> |
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| 399 | <P> |
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| 400 | <DD><DL> |
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| 401 | </DL> |
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| 402 | </DD> |
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| 403 | </DL> |
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| 404 | <HR> |
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| 405 | |
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| 406 | <A NAME="createSocketAddr(java.lang.String, int)"><!-- --></A><H3> |
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| 407 | createSocketAddr</H3> |
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| 408 | <PRE> |
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| 409 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</A> <B>createSocketAddr</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> target, |
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| 410 | int defaultPort)</PRE> |
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| 411 | <DL> |
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| 412 | <DD>Util method to build socket addr from either: |
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| 413 | <host> |
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| 414 | <host>:<post> |
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| 415 | <fs>://<host>:<port>/<path> |
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| 416 | <P> |
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| 417 | <DD><DL> |
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| 418 | </DL> |
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| 419 | </DD> |
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| 420 | </DL> |
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| 421 | <HR> |
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| 422 | |
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| 423 | <A NAME="getServerAddress(org.apache.hadoop.conf.Configuration, java.lang.String, java.lang.String, java.lang.String)"><!-- --></A><H3> |
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| 424 | getServerAddress</H3> |
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| 425 | <PRE> |
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| 426 | <FONT SIZE="-1"><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</A> |
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| 427 | </FONT>public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getServerAddress</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A> conf, |
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| 428 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> oldBindAddressName, |
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| 429 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> oldPortName, |
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| 430 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> newBindAddressName)</PRE> |
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| 431 | <DL> |
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| 432 | <DD><B>Deprecated.</B> |
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| 433 | <P> |
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| 434 | <DD>Handle the transition from pairs of attributes specifying a host and port |
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| 435 | to a single colon separated one. |
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| 436 | <P> |
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| 437 | <DD><DL> |
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| 438 | <DT><B>Parameters:</B><DD><CODE>conf</CODE> - the configuration to check<DD><CODE>oldBindAddressName</CODE> - the old address attribute name<DD><CODE>oldPortName</CODE> - the old port attribute name<DD><CODE>newBindAddressName</CODE> - the new combined name |
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| 439 | <DT><B>Returns:</B><DD>the complete address from the configuration</DL> |
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| 440 | </DD> |
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| 441 | </DL> |
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| 442 | <HR> |
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| 443 | |
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| 444 | <A NAME="addStaticResolution(java.lang.String, java.lang.String)"><!-- --></A><H3> |
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| 445 | addStaticResolution</H3> |
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| 446 | <PRE> |
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| 447 | public static void <B>addStaticResolution</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> host, |
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| 448 | <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> resolvedName)</PRE> |
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| 449 | <DL> |
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| 450 | <DD>Adds a static resolution for host. This can be used for setting up |
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| 451 | hostnames with names that are fake to point to a well known host. For e.g. |
---|
| 452 | in some testcases we require to have daemons with different hostnames |
---|
| 453 | running on the same machine. In order to create connections to these |
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| 454 | daemons, one can set up mappings from those hostnames to "localhost". |
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| 455 | <A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getStaticResolution(java.lang.String)"><CODE>getStaticResolution(String)</CODE></A> can be used to query for |
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| 456 | the actual hostname. |
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| 457 | <P> |
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| 458 | <DD><DL> |
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| 459 | <DT><B>Parameters:</B><DD><CODE>host</CODE> - <DD><CODE>resolvedName</CODE> - </DL> |
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| 460 | </DD> |
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| 461 | </DL> |
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| 462 | <HR> |
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| 463 | |
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| 464 | <A NAME="getStaticResolution(java.lang.String)"><!-- --></A><H3> |
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| 465 | getStaticResolution</H3> |
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| 466 | <PRE> |
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| 467 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getStaticResolution</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> host)</PRE> |
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| 468 | <DL> |
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| 469 | <DD>Retrieves the resolved name for the passed host. The resolved name must |
---|
| 470 | have been set earlier using |
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| 471 | <A HREF="../../../../org/apache/hadoop/net/NetUtils.html#addStaticResolution(java.lang.String, java.lang.String)"><CODE>addStaticResolution(String, String)</CODE></A> |
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| 472 | <P> |
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| 473 | <DD><DL> |
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| 474 | <DT><B>Parameters:</B><DD><CODE>host</CODE> - |
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| 475 | <DT><B>Returns:</B><DD>the resolution</DL> |
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| 476 | </DD> |
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| 477 | </DL> |
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| 478 | <HR> |
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| 479 | |
---|
| 480 | <A NAME="getAllStaticResolutions()"><!-- --></A><H3> |
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| 481 | getAllStaticResolutions</H3> |
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| 482 | <PRE> |
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| 483 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>[]> <B>getAllStaticResolutions</B>()</PRE> |
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| 484 | <DL> |
---|
| 485 | <DD>This is used to get all the resolutions that were added using |
---|
| 486 | <A HREF="../../../../org/apache/hadoop/net/NetUtils.html#addStaticResolution(java.lang.String, java.lang.String)"><CODE>addStaticResolution(String, String)</CODE></A>. The return |
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| 487 | value is a List each element of which contains an array of String |
---|
| 488 | of the form String[0]=hostname, String[1]=resolved-hostname |
---|
| 489 | <P> |
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| 490 | <DD><DL> |
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| 491 | |
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| 492 | <DT><B>Returns:</B><DD>the list of resolutions</DL> |
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| 493 | </DD> |
---|
| 494 | </DL> |
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| 495 | <HR> |
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| 496 | |
---|
| 497 | <A NAME="getConnectAddress(org.apache.hadoop.ipc.Server)"><!-- --></A><H3> |
---|
| 498 | getConnectAddress</H3> |
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| 499 | <PRE> |
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| 500 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</A> <B>getConnectAddress</B>(<A HREF="../../../../org/apache/hadoop/ipc/Server.html" title="class in org.apache.hadoop.ipc">Server</A> server)</PRE> |
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| 501 | <DL> |
---|
| 502 | <DD>Returns InetSocketAddress that a client can use to |
---|
| 503 | connect to the server. Server.getListenerAddress() is not correct when |
---|
| 504 | the server binds to "0.0.0.0". This returns "127.0.0.1:port" when |
---|
| 505 | the getListenerAddress() returns "0.0.0.0:port". |
---|
| 506 | <P> |
---|
| 507 | <DD><DL> |
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| 508 | <DT><B>Parameters:</B><DD><CODE>server</CODE> - |
---|
| 509 | <DT><B>Returns:</B><DD>socket address that a client can use to connect to the server.</DL> |
---|
| 510 | </DD> |
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| 511 | </DL> |
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| 512 | <HR> |
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| 513 | |
---|
| 514 | <A NAME="getInputStream(java.net.Socket)"><!-- --></A><H3> |
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| 515 | getInputStream</H3> |
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| 516 | <PRE> |
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| 517 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A> <B>getInputStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</A> socket) |
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| 518 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
| 519 | <DL> |
---|
| 520 | <DD>Same as getInputStream(socket, socket.getSoTimeout()).<br><br> |
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| 521 | |
---|
| 522 | From documentation for <A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getInputStream(java.net.Socket, long)"><CODE>getInputStream(Socket, long)</CODE></A>:<br> |
---|
| 523 | Returns InputStream for the socket. If the socket has an associated |
---|
| 524 | SocketChannel then it returns a |
---|
| 525 | <A HREF="../../../../org/apache/hadoop/net/SocketInputStream.html" title="class in org.apache.hadoop.net"><CODE>SocketInputStream</CODE></A> with the given timeout. If the socket does not |
---|
| 526 | have a channel, <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#getInputStream()" title="class or interface in java.net"><CODE>Socket.getInputStream()</CODE></A> is returned. In the later |
---|
| 527 | case, the timeout argument is ignored and the timeout set with |
---|
| 528 | <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#setSoTimeout(int)" title="class or interface in java.net"><CODE>Socket.setSoTimeout(int)</CODE></A> applies for reads.<br><br> |
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| 529 | |
---|
| 530 | Any socket created using socket factories returned by <A HREF="../../../../org/apache/hadoop/net/NetUtils.html#NetUtils()"><CODE>NetUtils()</CODE></A>, |
---|
| 531 | must use this interface instead of <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#getInputStream()" title="class or interface in java.net"><CODE>Socket.getInputStream()</CODE></A>. |
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| 532 | <P> |
---|
| 533 | <DD><DL> |
---|
| 534 | <DT><B>Parameters:</B><DD><CODE>socket</CODE> - |
---|
| 535 | <DT><B>Returns:</B><DD>InputStream for reading from the socket. |
---|
| 536 | <DT><B>Throws:</B> |
---|
| 537 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE><DT><B>See Also:</B><DD><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getInputStream(java.net.Socket, long)"><CODE>getInputStream(Socket, long)</CODE></A></DL> |
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| 538 | </DD> |
---|
| 539 | </DL> |
---|
| 540 | <HR> |
---|
| 541 | |
---|
| 542 | <A NAME="getInputStream(java.net.Socket, long)"><!-- --></A><H3> |
---|
| 543 | getInputStream</H3> |
---|
| 544 | <PRE> |
---|
| 545 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A> <B>getInputStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</A> socket, |
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| 546 | long timeout) |
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| 547 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
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| 548 | <DL> |
---|
| 549 | <DD>Returns InputStream for the socket. If the socket has an associated |
---|
| 550 | SocketChannel then it returns a |
---|
| 551 | <A HREF="../../../../org/apache/hadoop/net/SocketInputStream.html" title="class in org.apache.hadoop.net"><CODE>SocketInputStream</CODE></A> with the given timeout. If the socket does not |
---|
| 552 | have a channel, <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#getInputStream()" title="class or interface in java.net"><CODE>Socket.getInputStream()</CODE></A> is returned. In the later |
---|
| 553 | case, the timeout argument is ignored and the timeout set with |
---|
| 554 | <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#setSoTimeout(int)" title="class or interface in java.net"><CODE>Socket.setSoTimeout(int)</CODE></A> applies for reads.<br><br> |
---|
| 555 | |
---|
| 556 | Any socket created using socket factories returned by <A HREF="../../../../org/apache/hadoop/net/NetUtils.html#NetUtils()"><CODE>NetUtils()</CODE></A>, |
---|
| 557 | must use this interface instead of <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#getInputStream()" title="class or interface in java.net"><CODE>Socket.getInputStream()</CODE></A>. |
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| 558 | <P> |
---|
| 559 | <DD><DL> |
---|
| 560 | <DT><B>Parameters:</B><DD><CODE>socket</CODE> - <DD><CODE>timeout</CODE> - timeout in milliseconds. This may not always apply. zero |
---|
| 561 | for waiting as long as necessary. |
---|
| 562 | <DT><B>Returns:</B><DD>InputStream for reading from the socket. |
---|
| 563 | <DT><B>Throws:</B> |
---|
| 564 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE><DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#getChannel()" title="class or interface in java.net"><CODE>Socket.getChannel()</CODE></A></DL> |
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| 565 | </DD> |
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| 566 | </DL> |
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| 567 | <HR> |
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| 568 | |
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| 569 | <A NAME="getOutputStream(java.net.Socket)"><!-- --></A><H3> |
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| 570 | getOutputStream</H3> |
---|
| 571 | <PRE> |
---|
| 572 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A> <B>getOutputStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</A> socket) |
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| 573 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
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| 574 | <DL> |
---|
| 575 | <DD>Same as getOutputStream(socket, 0). Timeout of zero implies write will |
---|
| 576 | wait until data is available.<br><br> |
---|
| 577 | |
---|
| 578 | From documentation for <A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getOutputStream(java.net.Socket, long)"><CODE>getOutputStream(Socket, long)</CODE></A> : <br> |
---|
| 579 | Returns OutputStream for the socket. If the socket has an associated |
---|
| 580 | SocketChannel then it returns a |
---|
| 581 | <A HREF="../../../../org/apache/hadoop/net/SocketOutputStream.html" title="class in org.apache.hadoop.net"><CODE>SocketOutputStream</CODE></A> with the given timeout. If the socket does not |
---|
| 582 | have a channel, <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#getOutputStream()" title="class or interface in java.net"><CODE>Socket.getOutputStream()</CODE></A> is returned. In the later |
---|
| 583 | case, the timeout argument is ignored and the write will wait until |
---|
| 584 | data is available.<br><br> |
---|
| 585 | |
---|
| 586 | Any socket created using socket factories returned by <A HREF="../../../../org/apache/hadoop/net/NetUtils.html#NetUtils()"><CODE>NetUtils()</CODE></A>, |
---|
| 587 | must use this interface instead of <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#getOutputStream()" title="class or interface in java.net"><CODE>Socket.getOutputStream()</CODE></A>. |
---|
| 588 | <P> |
---|
| 589 | <DD><DL> |
---|
| 590 | <DT><B>Parameters:</B><DD><CODE>socket</CODE> - |
---|
| 591 | <DT><B>Returns:</B><DD>OutputStream for writing to the socket. |
---|
| 592 | <DT><B>Throws:</B> |
---|
| 593 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE><DT><B>See Also:</B><DD><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#getOutputStream(java.net.Socket, long)"><CODE>getOutputStream(Socket, long)</CODE></A></DL> |
---|
| 594 | </DD> |
---|
| 595 | </DL> |
---|
| 596 | <HR> |
---|
| 597 | |
---|
| 598 | <A NAME="getOutputStream(java.net.Socket, long)"><!-- --></A><H3> |
---|
| 599 | getOutputStream</H3> |
---|
| 600 | <PRE> |
---|
| 601 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A> <B>getOutputStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</A> socket, |
---|
| 602 | long timeout) |
---|
| 603 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
| 604 | <DL> |
---|
| 605 | <DD>Returns OutputStream for the socket. If the socket has an associated |
---|
| 606 | SocketChannel then it returns a |
---|
| 607 | <A HREF="../../../../org/apache/hadoop/net/SocketOutputStream.html" title="class in org.apache.hadoop.net"><CODE>SocketOutputStream</CODE></A> with the given timeout. If the socket does not |
---|
| 608 | have a channel, <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#getOutputStream()" title="class or interface in java.net"><CODE>Socket.getOutputStream()</CODE></A> is returned. In the later |
---|
| 609 | case, the timeout argument is ignored and the write will wait until |
---|
| 610 | data is available.<br><br> |
---|
| 611 | |
---|
| 612 | Any socket created using socket factories returned by <A HREF="../../../../org/apache/hadoop/net/NetUtils.html#NetUtils()"><CODE>NetUtils()</CODE></A>, |
---|
| 613 | must use this interface instead of <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#getOutputStream()" title="class or interface in java.net"><CODE>Socket.getOutputStream()</CODE></A>. |
---|
| 614 | <P> |
---|
| 615 | <DD><DL> |
---|
| 616 | <DT><B>Parameters:</B><DD><CODE>socket</CODE> - <DD><CODE>timeout</CODE> - timeout in milliseconds. This may not always apply. zero |
---|
| 617 | for waiting as long as necessary. |
---|
| 618 | <DT><B>Returns:</B><DD>OutputStream for writing to the socket. |
---|
| 619 | <DT><B>Throws:</B> |
---|
| 620 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE><DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#getChannel()" title="class or interface in java.net"><CODE>Socket.getChannel()</CODE></A></DL> |
---|
| 621 | </DD> |
---|
| 622 | </DL> |
---|
| 623 | <HR> |
---|
| 624 | |
---|
| 625 | <A NAME="connect(java.net.Socket, java.net.SocketAddress, int)"><!-- --></A><H3> |
---|
| 626 | connect</H3> |
---|
| 627 | <PRE> |
---|
| 628 | public static void <B>connect</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</A> socket, |
---|
| 629 | <A HREF="http://java.sun.com/javase/6/docs/api/java/net/SocketAddress.html?is-external=true" title="class or interface in java.net">SocketAddress</A> endpoint, |
---|
| 630 | int timeout) |
---|
| 631 | throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
---|
| 632 | <DL> |
---|
| 633 | <DD>This is a drop-in replacement for |
---|
| 634 | <A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#connect(java.net.SocketAddress, int)" title="class or interface in java.net"><CODE>Socket.connect(SocketAddress, int)</CODE></A>. |
---|
| 635 | In the case of normal sockets that don't have associated channels, this |
---|
| 636 | just invokes <code>socket.connect(endpoint, timeout)</code>. If |
---|
| 637 | <code>socket.getChannel()</code> returns a non-null channel, |
---|
| 638 | connect is implemented using Hadoop's selectors. This is done mainly |
---|
| 639 | to avoid Sun's connect implementation from creating thread-local |
---|
| 640 | selectors, since Hadoop does not have control on when these are closed |
---|
| 641 | and could end up taking all the available file descriptors. |
---|
| 642 | <P> |
---|
| 643 | <DD><DL> |
---|
| 644 | <DT><B>Parameters:</B><DD><CODE>socket</CODE> - <DD><CODE>endpoint</CODE> - <DD><CODE>timeout</CODE> - - timeout in milliseconds |
---|
| 645 | <DT><B>Throws:</B> |
---|
| 646 | <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE><DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/net/Socket.html?is-external=true#connect(java.net.SocketAddress, int)" title="class or interface in java.net"><CODE>Socket.connect(java.net.SocketAddress, int)</CODE></A></DL> |
---|
| 647 | </DD> |
---|
| 648 | </DL> |
---|
| 649 | <HR> |
---|
| 650 | |
---|
| 651 | <A NAME="normalizeHostName(java.lang.String)"><!-- --></A><H3> |
---|
| 652 | normalizeHostName</H3> |
---|
| 653 | <PRE> |
---|
| 654 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>normalizeHostName</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> name)</PRE> |
---|
| 655 | <DL> |
---|
| 656 | <DD>Given a string representation of a host, return its ip address |
---|
| 657 | in textual presentation. |
---|
| 658 | <P> |
---|
| 659 | <DD><DL> |
---|
| 660 | <DT><B>Parameters:</B><DD><CODE>name</CODE> - a string representation of a host: |
---|
| 661 | either a textual representation its IP address or its host name |
---|
| 662 | <DT><B>Returns:</B><DD>its IP address in the string format</DL> |
---|
| 663 | </DD> |
---|
| 664 | </DL> |
---|
| 665 | <HR> |
---|
| 666 | |
---|
| 667 | <A NAME="normalizeHostNames(java.util.Collection)"><!-- --></A><H3> |
---|
| 668 | normalizeHostNames</H3> |
---|
| 669 | <PRE> |
---|
| 670 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>> <B>normalizeHostNames</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>> names)</PRE> |
---|
| 671 | <DL> |
---|
| 672 | <DD>Given a collection of string representation of hosts, return a list of |
---|
| 673 | corresponding IP addresses in the textual representation. |
---|
| 674 | <P> |
---|
| 675 | <DD><DL> |
---|
| 676 | <DT><B>Parameters:</B><DD><CODE>names</CODE> - a collection of string representations of hosts |
---|
| 677 | <DT><B>Returns:</B><DD>a list of corresponding IP addresses in the string format<DT><B>See Also:</B><DD><A HREF="../../../../org/apache/hadoop/net/NetUtils.html#normalizeHostName(java.lang.String)"><CODE>normalizeHostName(String)</CODE></A></DL> |
---|
| 678 | </DD> |
---|
| 679 | </DL> |
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