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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/ee77a3b9/testdevapidocs/src-html/org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html index a009e7c..caa0d78 100644 --- a/testdevapidocs/src-html/org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html @@ -38,135 +38,140 @@ <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.30"></a> <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.31"></a> <span class="sourceLineNo">032</span>import org.junit.Assert;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.junit.Test;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.junit.experimental.categories.Category;<a name="line.34"></a> -<span class="sourceLineNo">035</span><a name="line.35"></a> -<span class="sourceLineNo">036</span>/**<a name="line.36"></a> -<span class="sourceLineNo">037</span> * This tests whether ServerSocketChannel works over ipv6, which Zookeeper<a name="line.37"></a> -<span class="sourceLineNo">038</span> * depends on. 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It is a known JVM bug, seems to be only resolved for JDK7:<a name="line.40"></a> -<span class="sourceLineNo">041</span> * http://bugs.sun.com/view_bug.do?bug_id=6230761<a name="line.41"></a> -<span class="sourceLineNo">042</span> *<a name="line.42"></a> -<span class="sourceLineNo">043</span> * For this test, we check that whether we are effected by this bug, and if so<a name="line.43"></a> -<span class="sourceLineNo">044</span> * the test ensures that we are running with java.net.preferIPv4Stack=true, so<a name="line.44"></a> -<span class="sourceLineNo">045</span> * that ZK will not fail to bind to ipv6 address using ClientCnxnSocketNIO.<a name="line.45"></a> -<span class="sourceLineNo">046</span> */<a name="line.46"></a> -<span class="sourceLineNo">047</span>@Category({MiscTests.class, SmallTests.class})<a name="line.47"></a> -<span class="sourceLineNo">048</span>public class TestIPv6NIOServerSocketChannel {<a name="line.48"></a> -<span class="sourceLineNo">049</span><a name="line.49"></a> -<span class="sourceLineNo">050</span> private static final Log LOG = LogFactory.getLog(TestIPv6NIOServerSocketChannel.class);<a name="line.50"></a> +<span class="sourceLineNo">033</span>import org.junit.Rule;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.junit.Test;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.junit.experimental.categories.Category;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.junit.rules.TestRule;<a name="line.36"></a> +<span class="sourceLineNo">037</span><a name="line.37"></a> +<span class="sourceLineNo">038</span>/**<a name="line.38"></a> +<span class="sourceLineNo">039</span> * This tests whether ServerSocketChannel works over ipv6, which Zookeeper<a name="line.39"></a> +<span class="sourceLineNo">040</span> * depends on. On Windows Oracle JDK 6, creating a ServerSocketChannel throws<a name="line.40"></a> +<span class="sourceLineNo">041</span> * java.net.SocketException: Address family not supported by protocol family<a name="line.41"></a> +<span class="sourceLineNo">042</span> * exception. It is a known JVM bug, seems to be only resolved for JDK7:<a name="line.42"></a> +<span class="sourceLineNo">043</span> * http://bugs.sun.com/view_bug.do?bug_id=6230761<a name="line.43"></a> +<span class="sourceLineNo">044</span> *<a name="line.44"></a> +<span class="sourceLineNo">045</span> * For this test, we check that whether we are effected by this bug, and if so<a name="line.45"></a> +<span class="sourceLineNo">046</span> * the test ensures that we are running with java.net.preferIPv4Stack=true, so<a name="line.46"></a> +<span class="sourceLineNo">047</span> * that ZK will not fail to bind to ipv6 address using ClientCnxnSocketNIO.<a name="line.47"></a> +<span class="sourceLineNo">048</span> */<a name="line.48"></a> +<span class="sourceLineNo">049</span>@Category({MiscTests.class, SmallTests.class})<a name="line.49"></a> +<span class="sourceLineNo">050</span>public class TestIPv6NIOServerSocketChannel {<a name="line.50"></a> <span class="sourceLineNo">051</span><a name="line.51"></a> -<span class="sourceLineNo">052</span> /**<a name="line.52"></a> -<span class="sourceLineNo">053</span> * Creates and binds a regular ServerSocket.<a name="line.53"></a> -<span class="sourceLineNo">054</span> */<a name="line.54"></a> -<span class="sourceLineNo">055</span> private void bindServerSocket(InetAddress inetAddr) throws IOException {<a name="line.55"></a> -<span class="sourceLineNo">056</span> while(true) {<a name="line.56"></a> -<span class="sourceLineNo">057</span> int port = HBaseTestingUtility.randomFreePort();<a name="line.57"></a> -<span class="sourceLineNo">058</span> InetSocketAddress addr = new InetSocketAddress(inetAddr, port);<a name="line.58"></a> -<span class="sourceLineNo">059</span> ServerSocket serverSocket = null;<a name="line.59"></a> -<span class="sourceLineNo">060</span> try {<a name="line.60"></a> -<span class="sourceLineNo">061</span> serverSocket = new ServerSocket();<a name="line.61"></a> -<span class="sourceLineNo">062</span> serverSocket.bind(addr);<a name="line.62"></a> -<span class="sourceLineNo">063</span> break;<a name="line.63"></a> -<span class="sourceLineNo">064</span> } catch (BindException ex) {<a name="line.64"></a> -<span class="sourceLineNo">065</span> //continue<a name="line.65"></a> -<span class="sourceLineNo">066</span> } finally {<a name="line.66"></a> -<span class="sourceLineNo">067</span> if (serverSocket != null) {<a name="line.67"></a> -<span class="sourceLineNo">068</span> serverSocket.close();<a name="line.68"></a> -<span class="sourceLineNo">069</span> }<a name="line.69"></a> -<span class="sourceLineNo">070</span> }<a name="line.70"></a> -<span class="sourceLineNo">071</span> }<a name="line.71"></a> -<span class="sourceLineNo">072</span> }<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> * Creates a NIO ServerSocketChannel, and gets the ServerSocket from<a name="line.75"></a> -<span class="sourceLineNo">076</span> * there. Then binds the obtained socket.<a name="line.76"></a> -<span class="sourceLineNo">077</span> * This fails on Windows with Oracle JDK1.6.0u33, if the passed InetAddress is a<a name="line.77"></a> -<span class="sourceLineNo">078</span> * IPv6 address. Works on Oracle JDK 1.7.<a name="line.78"></a> -<span class="sourceLineNo">079</span> */<a name="line.79"></a> -<span class="sourceLineNo">080</span> private void bindNIOServerSocket(InetAddress inetAddr) throws IOException {<a name="line.80"></a> -<span class="sourceLineNo">081</span> while (true) {<a name="line.81"></a> -<span class="sourceLineNo">082</span> int port = HBaseTestingUtility.randomFreePort();<a name="line.82"></a> -<span class="sourceLineNo">083</span> InetSocketAddress addr = new InetSocketAddress(inetAddr, port);<a name="line.83"></a> -<span class="sourceLineNo">084</span> ServerSocketChannel channel = null;<a name="line.84"></a> -<span class="sourceLineNo">085</span> ServerSocket serverSocket = null;<a name="line.85"></a> -<span class="sourceLineNo">086</span> try {<a name="line.86"></a> -<span class="sourceLineNo">087</span> channel = ServerSocketChannel.open();<a name="line.87"></a> -<span class="sourceLineNo">088</span> serverSocket = channel.socket();<a name="line.88"></a> -<span class="sourceLineNo">089</span> serverSocket.bind(addr); // This does not work<a name="line.89"></a> -<span class="sourceLineNo">090</span> break;<a name="line.90"></a> -<span class="sourceLineNo">091</span> } catch (BindException ex) {<a name="line.91"></a> -<span class="sourceLineNo">092</span> //continue<a name="line.92"></a> -<span class="sourceLineNo">093</span> } finally {<a name="line.93"></a> -<span class="sourceLineNo">094</span> if (serverSocket != null) {<a name="line.94"></a> -<span class="sourceLineNo">095</span> serverSocket.close();<a name="line.95"></a> -<span class="sourceLineNo">096</span> }<a name="line.96"></a> -<span class="sourceLineNo">097</span> if (channel != null) {<a name="line.97"></a> -<span class="sourceLineNo">098</span> channel.close();<a name="line.98"></a> -<span class="sourceLineNo">099</span> }<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> }<a name="line.102"></a> -<span class="sourceLineNo">103</span><a name="line.103"></a> -<span class="sourceLineNo">104</span> /**<a name="line.104"></a> -<span class="sourceLineNo">105</span> * Checks whether we are effected by the JDK issue on windows, and if so<a name="line.105"></a> -<span class="sourceLineNo">106</span> * ensures that we are running with preferIPv4Stack=true.<a name="line.106"></a> -<span class="sourceLineNo">107</span> */<a name="line.107"></a> -<span class="sourceLineNo">108</span> @Test<a name="line.108"></a> -<span class="sourceLineNo">109</span> public void testServerSocket() throws IOException {<a name="line.109"></a> -<span class="sourceLineNo">110</span> byte[] addr = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };<a name="line.110"></a> -<span class="sourceLineNo">111</span> InetAddress inetAddr = InetAddress.getByAddress(addr);<a name="line.111"></a> -<span class="sourceLineNo">112</span><a name="line.112"></a> -<span class="sourceLineNo">113</span> try {<a name="line.113"></a> -<span class="sourceLineNo">114</span> bindServerSocket(inetAddr);<a name="line.114"></a> -<span class="sourceLineNo">115</span> bindNIOServerSocket(inetAddr);<a name="line.115"></a> -<span class="sourceLineNo">116</span> //if on *nix or windows JDK7, both will pass<a name="line.116"></a> -<span class="sourceLineNo">117</span> } catch(java.net.SocketException ex) {<a name="line.117"></a> -<span class="sourceLineNo">118</span> //On Windows JDK6, we will get expected exception:<a name="line.118"></a> -<span class="sourceLineNo">119</span> //java.net.SocketException: Address family not supported by protocol family<a name="line.119"></a> -<span class="sourceLineNo">120</span> //or java.net.SocketException: Protocol family not supported<a name="line.120"></a> -<span class="sourceLineNo">121</span> Assert.assertFalse(ex.getClass().isInstance(BindException.class));<a name="line.121"></a> -<span class="sourceLineNo">122</span> Assert.assertTrue(ex.getMessage().toLowerCase().contains("protocol family"));<a name="line.122"></a> -<span class="sourceLineNo">123</span> LOG.info("Received expected exception:");<a name="line.123"></a> -<span class="sourceLineNo">124</span> LOG.info(ex);<a name="line.124"></a> -<span class="sourceLineNo">125</span><a name="line.125"></a> -<span class="sourceLineNo">126</span> //if this is the case, ensure that we are running on preferIPv4=true<a name="line.126"></a> -<span class="sourceLineNo">127</span> ensurePreferIPv4();<a name="line.127"></a> -<span class="sourceLineNo">128</span> }<a name="line.128"></a> -<span class="sourceLineNo">129</span> }<a name="line.129"></a> +<span class="sourceLineNo">052</span> private static final Log LOG = LogFactory.getLog(TestIPv6NIOServerSocketChannel.class);<a name="line.52"></a> +<span class="sourceLineNo">053</span><a name="line.53"></a> +<span class="sourceLineNo">054</span> @Rule<a name="line.54"></a> +<span class="sourceLineNo">055</span> public final TestRule timeout = CategoryBasedTimeout.builder().<a name="line.55"></a> +<span class="sourceLineNo">056</span> withTimeout(this.getClass()).withLookingForStuckThread(true).build();<a name="line.56"></a> +<span class="sourceLineNo">057</span> /**<a name="line.57"></a> +<span class="sourceLineNo">058</span> * Creates and binds a regular ServerSocket.<a name="line.58"></a> +<span class="sourceLineNo">059</span> */<a name="line.59"></a> +<span class="sourceLineNo">060</span> private void bindServerSocket(InetAddress inetAddr) throws IOException {<a name="line.60"></a> +<span class="sourceLineNo">061</span> while(true) {<a name="line.61"></a> +<span class="sourceLineNo">062</span> int port = HBaseTestingUtility.randomFreePort();<a name="line.62"></a> +<span class="sourceLineNo">063</span> InetSocketAddress addr = new InetSocketAddress(inetAddr, port);<a name="line.63"></a> +<span class="sourceLineNo">064</span> ServerSocket serverSocket = null;<a name="line.64"></a> +<span class="sourceLineNo">065</span> try {<a name="line.65"></a> +<span class="sourceLineNo">066</span> serverSocket = new ServerSocket();<a name="line.66"></a> +<span class="sourceLineNo">067</span> serverSocket.bind(addr);<a name="line.67"></a> +<span class="sourceLineNo">068</span> break;<a name="line.68"></a> +<span class="sourceLineNo">069</span> } catch (BindException ex) {<a name="line.69"></a> +<span class="sourceLineNo">070</span> //continue<a name="line.70"></a> +<span class="sourceLineNo">071</span> } finally {<a name="line.71"></a> +<span class="sourceLineNo">072</span> if (serverSocket != null) {<a name="line.72"></a> +<span class="sourceLineNo">073</span> serverSocket.close();<a name="line.73"></a> +<span class="sourceLineNo">074</span> }<a name="line.74"></a> +<span class="sourceLineNo">075</span> }<a name="line.75"></a> +<span class="sourceLineNo">076</span> }<a name="line.76"></a> +<span class="sourceLineNo">077</span> }<a name="line.77"></a> +<span class="sourceLineNo">078</span><a name="line.78"></a> +<span class="sourceLineNo">079</span> /**<a name="line.79"></a> +<span class="sourceLineNo">080</span> * Creates a NIO ServerSocketChannel, and gets the ServerSocket from<a name="line.80"></a> +<span class="sourceLineNo">081</span> * there. Then binds the obtained socket.<a name="line.81"></a> +<span class="sourceLineNo">082</span> * This fails on Windows with Oracle JDK1.6.0u33, if the passed InetAddress is a<a name="line.82"></a> +<span class="sourceLineNo">083</span> * IPv6 address. Works on Oracle JDK 1.7.<a name="line.83"></a> +<span class="sourceLineNo">084</span> */<a name="line.84"></a> +<span class="sourceLineNo">085</span> private void bindNIOServerSocket(InetAddress inetAddr) throws IOException {<a name="line.85"></a> +<span class="sourceLineNo">086</span> while (true) {<a name="line.86"></a> +<span class="sourceLineNo">087</span> int port = HBaseTestingUtility.randomFreePort();<a name="line.87"></a> +<span class="sourceLineNo">088</span> InetSocketAddress addr = new InetSocketAddress(inetAddr, port);<a name="line.88"></a> +<span class="sourceLineNo">089</span> ServerSocketChannel channel = null;<a name="line.89"></a> +<span class="sourceLineNo">090</span> ServerSocket serverSocket = null;<a name="line.90"></a> +<span class="sourceLineNo">091</span> try {<a name="line.91"></a> +<span class="sourceLineNo">092</span> channel = ServerSocketChannel.open();<a name="line.92"></a> +<span class="sourceLineNo">093</span> serverSocket = channel.socket();<a name="line.93"></a> +<span class="sourceLineNo">094</span> serverSocket.bind(addr); // This does not work<a name="line.94"></a> +<span class="sourceLineNo">095</span> break;<a name="line.95"></a> +<span class="sourceLineNo">096</span> } catch (BindException ex) {<a name="line.96"></a> +<span class="sourceLineNo">097</span> //continue<a name="line.97"></a> +<span class="sourceLineNo">098</span> } finally {<a name="line.98"></a> +<span class="sourceLineNo">099</span> if (serverSocket != null) {<a name="line.99"></a> +<span class="sourceLineNo">100</span> serverSocket.close();<a name="line.100"></a> +<span class="sourceLineNo">101</span> }<a name="line.101"></a> +<span class="sourceLineNo">102</span> if (channel != null) {<a name="line.102"></a> +<span class="sourceLineNo">103</span> channel.close();<a name="line.103"></a> +<span class="sourceLineNo">104</span> }<a name="line.104"></a> +<span class="sourceLineNo">105</span> } <a name="line.105"></a> +<span class="sourceLineNo">106</span> }<a name="line.106"></a> +<span class="sourceLineNo">107</span> }<a name="line.107"></a> +<span class="sourceLineNo">108</span><a name="line.108"></a> +<span class="sourceLineNo">109</span> /**<a name="line.109"></a> +<span class="sourceLineNo">110</span> * Checks whether we are effected by the JDK issue on windows, and if so<a name="line.110"></a> +<span class="sourceLineNo">111</span> * ensures that we are running with preferIPv4Stack=true.<a name="line.111"></a> +<span class="sourceLineNo">112</span> */<a name="line.112"></a> +<span class="sourceLineNo">113</span> @Test<a name="line.113"></a> +<span class="sourceLineNo">114</span> public void testServerSocket() throws IOException {<a name="line.114"></a> +<span class="sourceLineNo">115</span> byte[] addr = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };<a name="line.115"></a> +<span class="sourceLineNo">116</span> InetAddress inetAddr = InetAddress.getByAddress(addr);<a name="line.116"></a> +<span class="sourceLineNo">117</span><a name="line.117"></a> +<span class="sourceLineNo">118</span> try {<a name="line.118"></a> +<span class="sourceLineNo">119</span> bindServerSocket(inetAddr);<a name="line.119"></a> +<span class="sourceLineNo">120</span> bindNIOServerSocket(inetAddr);<a name="line.120"></a> +<span class="sourceLineNo">121</span> //if on *nix or windows JDK7, both will pass<a name="line.121"></a> +<span class="sourceLineNo">122</span> } catch(java.net.SocketException ex) {<a name="line.122"></a> +<span class="sourceLineNo">123</span> //On Windows JDK6, we will get expected exception:<a name="line.123"></a> +<span class="sourceLineNo">124</span> //java.net.SocketException: Address family not supported by protocol family<a name="line.124"></a> +<span class="sourceLineNo">125</span> //or java.net.SocketException: Protocol family not supported<a name="line.125"></a> +<span class="sourceLineNo">126</span> Assert.assertFalse(ex.getClass().isInstance(BindException.class));<a name="line.126"></a> +<span class="sourceLineNo">127</span> Assert.assertTrue(ex.getMessage().toLowerCase().contains("protocol family"));<a name="line.127"></a> +<span class="sourceLineNo">128</span> LOG.info("Received expected exception:");<a name="line.128"></a> +<span class="sourceLineNo">129</span> LOG.info(ex);<a name="line.129"></a> <span class="sourceLineNo">130</span><a name="line.130"></a> -<span class="sourceLineNo">131</span> /**<a name="line.131"></a> -<span class="sourceLineNo">132</span> * Checks whether we are running with java.net.preferIPv4Stack=true<a name="line.132"></a> -<span class="sourceLineNo">133</span> */<a name="line.133"></a> -<span class="sourceLineNo">134</span> public void ensurePreferIPv4() throws IOException {<a name="line.134"></a> -<span class="sourceLineNo">135</span> InetAddress[] addrs = InetAddress.getAllByName("localhost");<a name="line.135"></a> -<span class="sourceLineNo">136</span> for (InetAddress addr : addrs) {<a name="line.136"></a> -<span class="sourceLineNo">137</span> LOG.info("resolved localhost as:" + addr);<a name="line.137"></a> -<span class="sourceLineNo">138</span> Assert.assertEquals(4, addr.getAddress().length); //ensure 4 byte ipv4 address<a name="line.138"></a> -<span class="sourceLineNo">139</span> }<a name="line.139"></a> -<span class="sourceLineNo">140</span> }<a name="line.140"></a> -<span class="sourceLineNo">141</span><a name="line.141"></a> -<span class="sourceLineNo">142</span> /**<a name="line.142"></a> -<span class="sourceLineNo">143</span> * Tests whether every InetAddress we obtain by resolving can open a<a name="line.143"></a> -<span class="sourceLineNo">144</span> * ServerSocketChannel.<a name="line.144"></a> -<span class="sourceLineNo">145</span> */<a name="line.145"></a> -<span class="sourceLineNo">146</span> @Test<a name="line.146"></a> -<span class="sourceLineNo">147</span> public void testServerSocketFromLocalhostResolution() throws IOException {<a name="line.147"></a> -<span class="sourceLineNo">148</span> InetAddress[] addrs = InetAddress.getAllByName("localhost");<a name="line.148"></a> -<span class="sourceLineNo">149</span> for (InetAddress addr : addrs) {<a name="line.149"></a> -<span class="sourceLineNo">150</span> LOG.info("resolved localhost as:" + addr);<a name="line.150"></a> -<span class="sourceLineNo">151</span> bindServerSocket(addr);<a name="line.151"></a> -<span class="sourceLineNo">152</span> bindNIOServerSocket(addr);<a name="line.152"></a> -<span class="sourceLineNo">153</span> }<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> public static void main(String[] args) throws Exception {<a name="line.156"></a> -<span class="sourceLineNo">157</span> TestIPv6NIOServerSocketChannel test = new TestIPv6NIOServerSocketChannel();<a name="line.157"></a> -<span class="sourceLineNo">158</span> test.testServerSocket();<a name="line.158"></a> -<span class="sourceLineNo">159</span> test.testServerSocketFromLocalhostResolution();<a name="line.159"></a> -<span class="sourceLineNo">160</span> }<a name="line.160"></a> -<span class="sourceLineNo">161</span>}<a name="line.161"></a> +<span class="sourceLineNo">131</span> //if this is the case, ensure that we are running on preferIPv4=true<a name="line.131"></a> +<span class="sourceLineNo">132</span> ensurePreferIPv4();<a name="line.132"></a> +<span class="sourceLineNo">133</span> }<a name="line.133"></a> +<span class="sourceLineNo">134</span> }<a name="line.134"></a> +<span class="sourceLineNo">135</span><a name="line.135"></a> +<span class="sourceLineNo">136</span> /**<a name="line.136"></a> +<span class="sourceLineNo">137</span> * Checks whether we are running with java.net.preferIPv4Stack=true<a name="line.137"></a> +<span class="sourceLineNo">138</span> */<a name="line.138"></a> +<span class="sourceLineNo">139</span> public void ensurePreferIPv4() throws IOException {<a name="line.139"></a> +<span class="sourceLineNo">140</span> InetAddress[] addrs = InetAddress.getAllByName("localhost");<a name="line.140"></a> +<span class="sourceLineNo">141</span> for (InetAddress addr : addrs) {<a name="line.141"></a> +<span class="sourceLineNo">142</span> LOG.info("resolved localhost as:" + addr);<a name="line.142"></a> +<span class="sourceLineNo">143</span> Assert.assertEquals(4, addr.getAddress().length); 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