http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f55ebeaa/devapidocs/src-html/org/apache/hadoop/hbase/ipc/ServerCall.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/ServerCall.html b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/ServerCall.html index 6ad1e1b..f2ec99b 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/ServerCall.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/ServerCall.html @@ -38,501 +38,500 @@ <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.io.ByteBufferListOutputStream;<a name="line.30"></a> <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.io.ByteBufferPool;<a name="line.31"></a> <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.ipc.RpcServer.CallCleanup;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.ipc.RpcServer.Connection;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.security.User;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.BlockingService;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.MethodDescriptor;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.Message;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.VersionInfo;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ResponseHeader;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.util.StringUtils;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.htrace.TraceInfo;<a name="line.48"></a> -<span class="sourceLineNo">049</span><a name="line.49"></a> -<span class="sourceLineNo">050</span>/**<a name="line.50"></a> -<span class="sourceLineNo">051</span> * Datastructure that holds all necessary to a method invocation and then afterward, carries<a name="line.51"></a> -<span class="sourceLineNo">052</span> * the result.<a name="line.52"></a> -<span class="sourceLineNo">053</span> */<a name="line.53"></a> -<span class="sourceLineNo">054</span>@InterfaceAudience.Private<a name="line.54"></a> -<span class="sourceLineNo">055</span>abstract class ServerCall implements RpcCall {<a name="line.55"></a> -<span class="sourceLineNo">056</span><a name="line.56"></a> -<span class="sourceLineNo">057</span> protected final int id; // the client's call id<a name="line.57"></a> -<span class="sourceLineNo">058</span> protected final BlockingService service;<a name="line.58"></a> -<span class="sourceLineNo">059</span> protected final MethodDescriptor md;<a name="line.59"></a> -<span class="sourceLineNo">060</span> protected final RequestHeader header;<a name="line.60"></a> -<span class="sourceLineNo">061</span> protected Message param; // the parameter passed<a name="line.61"></a> -<span class="sourceLineNo">062</span> // Optional cell data passed outside of protobufs.<a name="line.62"></a> -<span class="sourceLineNo">063</span> protected final CellScanner cellScanner;<a name="line.63"></a> -<span class="sourceLineNo">064</span> protected final Connection connection; // connection to client<a name="line.64"></a> -<span class="sourceLineNo">065</span> protected final long receiveTime; // the time received when response is null<a name="line.65"></a> -<span class="sourceLineNo">066</span> // the time served when response is not null<a name="line.66"></a> -<span class="sourceLineNo">067</span> protected final int timeout;<a name="line.67"></a> -<span class="sourceLineNo">068</span> protected long startTime;<a name="line.68"></a> -<span class="sourceLineNo">069</span> protected final long deadline;// the deadline to handle this call, if exceed we can drop it.<a name="line.69"></a> -<span class="sourceLineNo">070</span><a name="line.70"></a> -<span class="sourceLineNo">071</span> protected final ByteBufferPool reservoir;<a name="line.71"></a> -<span class="sourceLineNo">072</span><a name="line.72"></a> -<span class="sourceLineNo">073</span> protected final CellBlockBuilder cellBlockBuilder;<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> * Chain of buffers to send as response.<a name="line.76"></a> -<span class="sourceLineNo">077</span> */<a name="line.77"></a> -<span class="sourceLineNo">078</span> protected BufferChain response;<a name="line.78"></a> -<span class="sourceLineNo">079</span><a name="line.79"></a> -<span class="sourceLineNo">080</span> protected final long size; // size of current call<a name="line.80"></a> -<span class="sourceLineNo">081</span> protected boolean isError;<a name="line.81"></a> -<span class="sourceLineNo">082</span> protected final TraceInfo tinfo;<a name="line.82"></a> -<span class="sourceLineNo">083</span> protected ByteBufferListOutputStream cellBlockStream = null;<a name="line.83"></a> -<span class="sourceLineNo">084</span> protected CallCleanup reqCleanup = null;<a name="line.84"></a> -<span class="sourceLineNo">085</span><a name="line.85"></a> -<span class="sourceLineNo">086</span> protected User user;<a name="line.86"></a> -<span class="sourceLineNo">087</span> protected final InetAddress remoteAddress;<a name="line.87"></a> -<span class="sourceLineNo">088</span> protected RpcCallback rpcCallback;<a name="line.88"></a> -<span class="sourceLineNo">089</span><a name="line.89"></a> -<span class="sourceLineNo">090</span> private long responseCellSize = 0;<a name="line.90"></a> -<span class="sourceLineNo">091</span> private long responseBlockSize = 0;<a name="line.91"></a> -<span class="sourceLineNo">092</span> // cumulative size of serialized exceptions<a name="line.92"></a> -<span class="sourceLineNo">093</span> private long exceptionSize = 0;<a name="line.93"></a> -<span class="sourceLineNo">094</span> private final boolean retryImmediatelySupported;<a name="line.94"></a> -<span class="sourceLineNo">095</span><a name="line.95"></a> -<span class="sourceLineNo">096</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value="NP_NULL_ON_SOME_PATH",<a name="line.96"></a> -<span class="sourceLineNo">097</span> justification="Can't figure why this complaint is happening... see below")<a name="line.97"></a> -<span class="sourceLineNo">098</span> ServerCall(int id, BlockingService service, MethodDescriptor md, RequestHeader header,<a name="line.98"></a> -<span class="sourceLineNo">099</span> Message param, CellScanner cellScanner, Connection connection, long size, TraceInfo tinfo,<a name="line.99"></a> -<span class="sourceLineNo">100</span> InetAddress remoteAddress, long receiveTime, int timeout, ByteBufferPool reservoir,<a name="line.100"></a> -<span class="sourceLineNo">101</span> CellBlockBuilder cellBlockBuilder, CallCleanup reqCleanup) {<a name="line.101"></a> -<span class="sourceLineNo">102</span> this.id = id;<a name="line.102"></a> -<span class="sourceLineNo">103</span> this.service = service;<a name="line.103"></a> -<span class="sourceLineNo">104</span> this.md = md;<a name="line.104"></a> -<span class="sourceLineNo">105</span> this.header = header;<a name="line.105"></a> -<span class="sourceLineNo">106</span> this.param = param;<a name="line.106"></a> -<span class="sourceLineNo">107</span> this.cellScanner = cellScanner;<a name="line.107"></a> -<span class="sourceLineNo">108</span> this.connection = connection;<a name="line.108"></a> -<span class="sourceLineNo">109</span> this.receiveTime = receiveTime;<a name="line.109"></a> -<span class="sourceLineNo">110</span> this.response = null;<a name="line.110"></a> -<span class="sourceLineNo">111</span> this.isError = false;<a name="line.111"></a> -<span class="sourceLineNo">112</span> this.size = size;<a name="line.112"></a> -<span class="sourceLineNo">113</span> this.tinfo = tinfo;<a name="line.113"></a> -<span class="sourceLineNo">114</span> this.user = connection == null ? null : connection.user; // FindBugs: NP_NULL_ON_SOME_PATH<a name="line.114"></a> -<span class="sourceLineNo">115</span> this.remoteAddress = remoteAddress;<a name="line.115"></a> -<span class="sourceLineNo">116</span> this.retryImmediatelySupported =<a name="line.116"></a> -<span class="sourceLineNo">117</span> connection == null ? false : connection.retryImmediatelySupported;<a name="line.117"></a> -<span class="sourceLineNo">118</span> this.timeout = timeout;<a name="line.118"></a> -<span class="sourceLineNo">119</span> this.deadline = this.timeout > 0 ? this.receiveTime + this.timeout : Long.MAX_VALUE;<a name="line.119"></a> -<span class="sourceLineNo">120</span> this.reservoir = reservoir;<a name="line.120"></a> -<span class="sourceLineNo">121</span> this.cellBlockBuilder = cellBlockBuilder;<a name="line.121"></a> -<span class="sourceLineNo">122</span> this.reqCleanup = reqCleanup;<a name="line.122"></a> -<span class="sourceLineNo">123</span> }<a name="line.123"></a> -<span class="sourceLineNo">124</span><a name="line.124"></a> -<span class="sourceLineNo">125</span> /**<a name="line.125"></a> -<span class="sourceLineNo">126</span> * Call is done. Execution happened and we returned results to client. It is<a name="line.126"></a> -<span class="sourceLineNo">127</span> * now safe to cleanup.<a name="line.127"></a> -<span class="sourceLineNo">128</span> */<a name="line.128"></a> -<span class="sourceLineNo">129</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "IS2_INCONSISTENT_SYNC",<a name="line.129"></a> -<span class="sourceLineNo">130</span> justification = "Presume the lock on processing request held by caller is protection enough")<a name="line.130"></a> -<span class="sourceLineNo">131</span> void done() {<a name="line.131"></a> -<span class="sourceLineNo">132</span> if (this.cellBlockStream != null) {<a name="line.132"></a> -<span class="sourceLineNo">133</span> // This will return back the BBs which we got from pool.<a name="line.133"></a> -<span class="sourceLineNo">134</span> this.cellBlockStream.releaseResources();<a name="line.134"></a> -<span class="sourceLineNo">135</span> this.cellBlockStream = null;<a name="line.135"></a> -<span class="sourceLineNo">136</span> }<a name="line.136"></a> -<span class="sourceLineNo">137</span> // If the call was run successfuly, we might have already returned the BB<a name="line.137"></a> -<span class="sourceLineNo">138</span> // back to pool. No worries..Then inputCellBlock will be null<a name="line.138"></a> -<span class="sourceLineNo">139</span> cleanup();<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> @Override<a name="line.142"></a> -<span class="sourceLineNo">143</span> public void cleanup() {<a name="line.143"></a> -<span class="sourceLineNo">144</span> if (this.reqCleanup != null) {<a name="line.144"></a> -<span class="sourceLineNo">145</span> this.reqCleanup.run();<a name="line.145"></a> -<span class="sourceLineNo">146</span> this.reqCleanup = null;<a name="line.146"></a> -<span class="sourceLineNo">147</span> }<a name="line.147"></a> -<span class="sourceLineNo">148</span> }<a name="line.148"></a> -<span class="sourceLineNo">149</span><a name="line.149"></a> -<span class="sourceLineNo">150</span> @Override<a name="line.150"></a> -<span class="sourceLineNo">151</span> public String toString() {<a name="line.151"></a> -<span class="sourceLineNo">152</span> return toShortString() + " param: " +<a name="line.152"></a> -<span class="sourceLineNo">153</span> (this.param != null? ProtobufUtil.getShortTextFormat(this.param): "") +<a name="line.153"></a> -<span class="sourceLineNo">154</span> " connection: " + connection.toString();<a name="line.154"></a> -<span class="sourceLineNo">155</span> }<a name="line.155"></a> -<span class="sourceLineNo">156</span><a name="line.156"></a> -<span class="sourceLineNo">157</span> @Override<a name="line.157"></a> -<span class="sourceLineNo">158</span> public RequestHeader getHeader() {<a name="line.158"></a> -<span class="sourceLineNo">159</span> return this.header;<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">162</span> @Override<a name="line.162"></a> -<span class="sourceLineNo">163</span> public int getPriority() {<a name="line.163"></a> -<span class="sourceLineNo">164</span> return this.header.getPriority();<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> /*<a name="line.167"></a> -<span class="sourceLineNo">168</span> * Short string representation without param info because param itself could be huge depends on<a name="line.168"></a> -<span class="sourceLineNo">169</span> * the payload of a command<a name="line.169"></a> -<span class="sourceLineNo">170</span> */<a name="line.170"></a> -<span class="sourceLineNo">171</span> @Override<a name="line.171"></a> -<span class="sourceLineNo">172</span> public String toShortString() {<a name="line.172"></a> -<span class="sourceLineNo">173</span> String serviceName = this.connection.service != null ?<a name="line.173"></a> -<span class="sourceLineNo">174</span> this.connection.service.getDescriptorForType().getName() : "null";<a name="line.174"></a> -<span class="sourceLineNo">175</span> return "callId: " + this.id + " service: " + serviceName +<a name="line.175"></a> -<span class="sourceLineNo">176</span> " methodName: " + ((this.md != null) ? this.md.getName() : "n/a") +<a name="line.176"></a> -<span class="sourceLineNo">177</span> " size: " + StringUtils.TraditionalBinaryPrefix.long2String(this.size, "", 1) +<a name="line.177"></a> -<span class="sourceLineNo">178</span> " connection: " + connection.toString() +<a name="line.178"></a> -<span class="sourceLineNo">179</span> " deadline: " + deadline;<a name="line.179"></a> -<span class="sourceLineNo">180</span> }<a name="line.180"></a> -<span class="sourceLineNo">181</span><a name="line.181"></a> -<span class="sourceLineNo">182</span> protected synchronized void setSaslTokenResponse(ByteBuffer response) {<a name="line.182"></a> -<span class="sourceLineNo">183</span> ByteBuffer[] responseBufs = new ByteBuffer[1];<a name="line.183"></a> -<span class="sourceLineNo">184</span> responseBufs[0] = response;<a name="line.184"></a> -<span class="sourceLineNo">185</span> this.response = new BufferChain(responseBufs);<a name="line.185"></a> -<span class="sourceLineNo">186</span> }<a name="line.186"></a> -<span class="sourceLineNo">187</span><a name="line.187"></a> -<span class="sourceLineNo">188</span> protected synchronized void setConnectionHeaderResponse(ByteBuffer response) {<a name="line.188"></a> -<span class="sourceLineNo">189</span> ByteBuffer[] responseBufs = new ByteBuffer[1];<a name="line.189"></a> -<span class="sourceLineNo">190</span> responseBufs[0] = response;<a name="line.190"></a> -<span class="sourceLineNo">191</span> this.response = new BufferChain(responseBufs);<a name="line.191"></a> -<span class="sourceLineNo">192</span> }<a name="line.192"></a> -<span class="sourceLineNo">193</span><a name="line.193"></a> -<span class="sourceLineNo">194</span> @Override<a name="line.194"></a> -<span class="sourceLineNo">195</span> public synchronized void setResponse(Message m, final CellScanner cells,<a name="line.195"></a> -<span class="sourceLineNo">196</span> Throwable t, String errorMsg) {<a name="line.196"></a> -<span class="sourceLineNo">197</span> if (this.isError) return;<a name="line.197"></a> -<span class="sourceLineNo">198</span> if (t != null) this.isError = true;<a name="line.198"></a> -<span class="sourceLineNo">199</span> BufferChain bc = null;<a name="line.199"></a> -<span class="sourceLineNo">200</span> try {<a name="line.200"></a> -<span class="sourceLineNo">201</span> ResponseHeader.Builder headerBuilder = ResponseHeader.newBuilder();<a name="line.201"></a> -<span class="sourceLineNo">202</span> // Call id.<a name="line.202"></a> -<span class="sourceLineNo">203</span> headerBuilder.setCallId(this.id);<a name="line.203"></a> -<span class="sourceLineNo">204</span> if (t != null) {<a name="line.204"></a> -<span class="sourceLineNo">205</span> setExceptionResponse(t, errorMsg, headerBuilder);<a name="line.205"></a> -<span class="sourceLineNo">206</span> }<a name="line.206"></a> -<span class="sourceLineNo">207</span> // Pass reservoir to buildCellBlock. 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{<a name="line.513"></a> -<span class="sourceLineNo">514</span> return timeout;<a name="line.514"></a> -<span class="sourceLineNo">515</span> }<a name="line.515"></a> -<span class="sourceLineNo">516</span><a name="line.516"></a> -<span class="sourceLineNo">517</span> @Override<a name="line.517"></a> -<span class="sourceLineNo">518</span> public int getRemotePort() {<a name="line.518"></a> -<span class="sourceLineNo">519</span> return connection.getRemotePort();<a name="line.519"></a> -<span class="sourceLineNo">520</span> }<a name="line.520"></a> -<span class="sourceLineNo">521</span><a name="line.521"></a> -<span class="sourceLineNo">522</span> @Override<a name="line.522"></a> -<span class="sourceLineNo">523</span> public TraceInfo getTraceInfo() {<a name="line.523"></a> -<span class="sourceLineNo">524</span> return tinfo;<a name="line.524"></a> -<span class="sourceLineNo">525</span> }<a name="line.525"></a> -<span class="sourceLineNo">526</span><a name="line.526"></a> -<span class="sourceLineNo">527</span>}<a name="line.527"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.security.User;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.BlockingService;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedOutputStream;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.MethodDescriptor;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.Message;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.VersionInfo;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ResponseHeader;<a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hadoop.util.StringUtils;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.htrace.TraceInfo;<a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"></a> +<span class="sourceLineNo">049</span>/**<a name="line.49"></a> +<span class="sourceLineNo">050</span> * Datastructure that holds all necessary to a method invocation and then afterward, carries<a name="line.50"></a> +<span class="sourceLineNo">051</span> * the result.<a name="line.51"></a> +<span class="sourceLineNo">052</span> */<a name="line.52"></a> +<span class="sourceLineNo">053</span>@InterfaceAudience.Private<a name="line.53"></a> +<span class="sourceLineNo">054</span>abstract class ServerCall<T extends ServerRpcConnection> implements RpcCall {<a name="line.54"></a> +<span class="sourceLineNo">055</span><a name="line.55"></a> +<span class="sourceLineNo">056</span> protected final int id; // the client's call id<a name="line.56"></a> +<span class="sourceLineNo">057</span> protected final BlockingService service;<a name="line.57"></a> +<span class="sourceLineNo">058</span> protected final MethodDescriptor md;<a name="line.58"></a> +<span class="sourceLineNo">059</span> protected final RequestHeader header;<a name="line.59"></a> +<span class="sourceLineNo">060</span> protected Message param; // the parameter passed<a name="line.60"></a> +<span class="sourceLineNo">061</span> // Optional cell data passed outside of protobufs.<a name="line.61"></a> +<span class="sourceLineNo">062</span> protected final CellScanner cellScanner;<a name="line.62"></a> +<span class="sourceLineNo">063</span> protected final T connection; // connection to client<a name="line.63"></a> +<span class="sourceLineNo">064</span> protected final long receiveTime; // the time received when response is null<a name="line.64"></a> +<span class="sourceLineNo">065</span> // the time served when response is not null<a name="line.65"></a> +<span class="sourceLineNo">066</span> protected final int timeout;<a name="line.66"></a> +<span class="sourceLineNo">067</span> protected long startTime;<a name="line.67"></a> +<span class="sourceLineNo">068</span> protected final long deadline;// the deadline to handle this call, if exceed we can drop it.<a name="line.68"></a> +<span class="sourceLineNo">069</span><a name="line.69"></a> +<span class="sourceLineNo">070</span> protected final ByteBufferPool reservoir;<a name="line.70"></a> +<span class="sourceLineNo">071</span><a name="line.71"></a> +<span class="sourceLineNo">072</span> protected final CellBlockBuilder cellBlockBuilder;<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> * Chain of buffers to send as response.<a name="line.75"></a> +<span class="sourceLineNo">076</span> */<a name="line.76"></a> +<span class="sourceLineNo">077</span> protected BufferChain response;<a name="line.77"></a> +<span class="sourceLineNo">078</span><a name="line.78"></a> +<span class="sourceLineNo">079</span> protected final long size; // size of current call<a name="line.79"></a> +<span class="sourceLineNo">080</span> protected boolean isError;<a name="line.80"></a> +<span class="sourceLineNo">081</span> protected final TraceInfo tinfo;<a name="line.81"></a> +<span class="sourceLineNo">082</span> protected ByteBufferListOutputStream cellBlockStream = null;<a name="line.82"></a> +<span class="sourceLineNo">083</span> protected CallCleanup reqCleanup = null;<a name="line.83"></a> +<span class="sourceLineNo">084</span><a name="line.84"></a> +<span class="sourceLineNo">085</span> protected User user;<a name="line.85"></a> +<span class="sourceLineNo">086</span> protected final InetAddress remoteAddress;<a name="line.86"></a> +<span class="sourceLineNo">087</span> protected RpcCallback rpcCallback;<a name="line.87"></a> +<span class="sourceLineNo">088</span><a name="line.88"></a> +<span class="sourceLineNo">089</span> private long responseCellSize = 0;<a name="line.89"></a> +<span class="sourceLineNo">090</span> private long responseBlockSize = 0;<a name="line.90"></a> +<span class="sourceLineNo">091</span> // cumulative size of serialized exceptions<a name="line.91"></a> +<span class="sourceLineNo">092</span> private long exceptionSize = 0;<a name="line.92"></a> +<span class="sourceLineNo">093</span> private final boolean retryImmediatelySupported;<a name="line.93"></a> +<span class="sourceLineNo">094</span><a name="line.94"></a> +<span class="sourceLineNo">095</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value="NP_NULL_ON_SOME_PATH",<a name="line.95"></a> +<span class="sourceLineNo">096</span> justification="Can't figure why this complaint is happening... see below")<a name="line.96"></a> +<span class="sourceLineNo">097</span> ServerCall(int id, BlockingService service, MethodDescriptor md, RequestHeader header,<a name="line.97"></a> +<span class="sourceLineNo">098</span> Message param, CellScanner cellScanner, T connection, long size, TraceInfo tinfo,<a name="line.98"></a> +<span class="sourceLineNo">099</span> InetAddress remoteAddress, long receiveTime, int timeout, ByteBufferPool reservoir,<a name="line.99"></a> +<span class="sourceLineNo">100</span> CellBlockBuilder cellBlockBuilder, CallCleanup reqCleanup) {<a name="line.100"></a> +<span class="sourceLineNo">101</span> this.id = id;<a name="line.101"></a> +<span class="sourceLineNo">102</span> this.service = service;<a name="line.102"></a> +<span class="sourceLineNo">103</span> this.md = md;<a name="line.103"></a> +<span class="sourceLineNo">104</span> this.header = header;<a name="line.104"></a> +<span class="sourceLineNo">105</span> this.param = param;<a name="line.105"></a> +<span class="sourceLineNo">106</span> this.cellScanner = cellScanner;<a name="line.106"></a> +<span class="sourceLineNo">107</span> this.connection = connection;<a name="line.107"></a> +<span class="sourceLineNo">108</span> this.receiveTime = receiveTime;<a name="line.108"></a> +<span class="sourceLineNo">109</span> this.response = null;<a name="line.109"></a> +<span class="sourceLineNo">110</span> this.isError = false;<a name="line.110"></a> +<span class="sourceLineNo">111</span> this.size = size;<a name="line.111"></a> +<span class="sourceLineNo">112</span> this.tinfo = tinfo;<a name="line.112"></a> +<span class="sourceLineNo">113</span> this.user = connection == null ? null : connection.user; // FindBugs: NP_NULL_ON_SOME_PATH<a name="line.113"></a> +<span class="sourceLineNo">114</span> this.remoteAddress = remoteAddress;<a name="line.114"></a> +<span class="sourceLineNo">115</span> this.retryImmediatelySupported =<a name="line.115"></a> +<span class="sourceLineNo">116</span> connection == null ? false : connection.retryImmediatelySupported;<a name="line.116"></a> +<span class="sourceLineNo">117</span> this.timeout = timeout;<a name="line.117"></a> +<span class="sourceLineNo">118</span> this.deadline = this.timeout > 0 ? this.receiveTime + this.timeout : Long.MAX_VALUE;<a name="line.118"></a> +<span class="sourceLineNo">119</span> this.reservoir = reservoir;<a name="line.119"></a> +<span class="sourceLineNo">120</span> this.cellBlockBuilder = cellBlockBuilder;<a name="line.120"></a> +<span class="sourceLineNo">121</span> this.reqCleanup = reqCleanup;<a name="line.121"></a> +<span class="sourceLineNo">122</span> }<a name="line.122"></a> +<span class="sourceLineNo">123</span><a name="line.123"></a> +<span class="sourceLineNo">124</span> /**<a name="line.124"></a> +<span class="sourceLineNo">125</span> * Call is done. Execution happened and we returned results to client. It is<a name="line.125"></a> +<span class="sourceLineNo">126</span> * now safe to cleanup.<a name="line.126"></a> +<span class="sourceLineNo">127</span> */<a name="line.127"></a> +<span class="sourceLineNo">128</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "IS2_INCONSISTENT_SYNC",<a name="line.128"></a> +<span class="sourceLineNo">129</span> justification = "Presume the lock on processing request held by caller is protection enough")<a name="line.129"></a> +<span class="sourceLineNo">130</span> void done() {<a name="line.130"></a> +<span class="sourceLineNo">131</span> if (this.cellBlockStream != null) {<a name="line.131"></a> +<span class="sourceLineNo">132</span> // This will return back the BBs which we got from pool.<a name="line.132"></a> +<span class="sourceLineNo">133</span> this.cellBlockStream.releaseResources();<a name="line.133"></a> +<span class="sourceLineNo">134</span> this.cellBlockStream = null;<a name="line.134"></a> +<span class="sourceLineNo">135</span> }<a name="line.135"></a> +<span class="sourceLineNo">136</span> // If the call was run successfuly, we might have already returned the BB<a name="line.136"></a> +<span class="sourceLineNo">137</span> // back to pool. No worries..Then inputCellBlock will be null<a name="line.137"></a> +<span class="sourceLineNo">138</span> cleanup();<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> @Override<a name="line.141"></a> +<span class="sourceLineNo">142</span> public void cleanup() {<a name="line.142"></a> +<span class="sourceLineNo">143</span> if (this.reqCleanup != null) {<a name="line.143"></a> +<span class="sourceLineNo">144</span> this.reqCleanup.run();<a name="line.144"></a> +<span class="sourceLineNo">145</span> this.reqCleanup = null;<a name="line.145"></a> +<span class="sourceLineNo">146</span> }<a name="line.146"></a> +<span class="sourceLineNo">147</span> }<a name="line.147"></a> +<span class="sourceLineNo">148</span><a name="line.148"></a> +<span class="sourceLineNo">149</span> @Override<a name="line.149"></a> +<span class="sourceLineNo">150</span> public String toString() {<a name="line.150"></a> +<span class="sourceLineNo">151</span> return toShortString() + " param: " +<a name="line.151"></a> +<span class="sourceLineNo">152</span> (this.param != null? ProtobufUtil.getShortTextFormat(this.param): "") +<a name="line.152"></a> +<span class="sourceLineNo">153</span> " connection: " + connection.toString();<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> @Override<a name="line.156"></a> +<span class="sourceLineNo">157</span> public RequestHeader getHeader() {<a name="line.157"></a> +<span class="sourceLineNo">158</span> return this.header;<a name="line.158"></a> +<span class="sourceLineNo">159</span> }<a name="line.159"></a> +<span class="sourceLineNo">160</span><a name="line.160"></a> +<span class="sourceLineNo">161</span> @Override<a name="line.161"></a> +<span class="sourceLineNo">162</span> public int getPriority() {<a name="line.162"></a> +<span class="sourceLineNo">163</span> return this.header.getPriority();<a name="line.163"></a> +<span class="sourceLineNo">164</span> }<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> * Short string representation without param info because param itself could be huge depends on<a name="line.167"></a> +<span class="sourceLineNo">168</span> * the payload of a command<a name="line.168"></a> +<span class="sourceLineNo">169</span> */<a name="line.169"></a> +<span class="sourceLineNo">170</span> @Override<a name="line.170"></a> +<span class="sourceLineNo">171</span> public String toShortString() {<a name="line.171"></a> +<span class="sourceLineNo">172</span> String serviceName = this.connection.service != null ?<a name="line.172"></a> +<span class="sourceLineNo">173</span> this.connection.service.getDescriptorForType().getName() : "null";<a name="line.173"></a> +<span class="sourceLineNo">174</span> return "callId: " + this.id + " service: " + serviceName +<a name="line.174"></a> +<span class="sourceLineNo">175</span> " methodName: " + ((this.md != null) ? this.md.getName() : "n/a") +<a name="line.175"></a> +<span class="sourceLineNo">176</span> " size: " + StringUtils.TraditionalBinaryPrefix.long2String(this.size, "", 1) +<a name="line.176"></a> +<span class="sourceLineNo">177</span> " connection: " + connection.toString() +<a name="line.177"></a> +<span class="sourceLineNo">178</span> " deadline: " + deadline;<a name="line.178"></a> +<span class="sourceLineNo">179</span> }<a name="line.179"></a> +<span class="sourceLineNo">180</span><a name="line.180"></a> +<span class="sourceLineNo">181</span> protected synchronized void setSaslTokenResponse(ByteBuffer response) {<a name="line.181"></a> +<span class="sourceLineNo">182</span> ByteBuffer[] responseBufs = new ByteBuffer[1];<a name="line.182"></a> +<span class="sourceLineNo">183</span> responseBufs[0] = response;<a name="line.183"></a> +<span class="sourceLineNo">184</span> this.response = new BufferChain(responseBufs);<a name="line.184"></a> +<span class="sourceLineNo">185</span> }<a name="line.185"></a> +<span class="sourceLineNo">186</span><a name="line.186"></a> +<span class="sourceLineNo">187</span> protected synchronized void setConnectionHeaderResponse(ByteBuffer response) {<a name="line.187"></a> +<span class="sourceLineNo">188</span> ByteBuffer[] responseBufs = new ByteBuffer[1];<a name="line.188"></a> +<span class="sourceLineNo">189</span> responseBufs[0] = response;<a name="line.189"></a> +<span class="sourceLineNo">190</span> this.response = new BufferChain(responseBufs);<a name="line.190"></a> +<span class="sourceLineNo">191</span> }<a name="line.191"></a> +<span class="sourceLineNo">192</span><a name="line.192"></a> +<span class="sourceLineNo">193</span> @Override<a name="line.193"></a> +<span class="sourceLineNo">194</span> public synchronized void setResponse(Message m, final CellScanner cells,<a name="line.194"></a> +<span class="sourceLineNo">195</span> Throwable t, String errorMsg) {<a name="line.195"></a> +<span class="sourceLineNo">196</span> if (this.isError) return;<a name="line.196"></a> +<span class="sourceLineNo">197</span> if (t != null) this.isError = true;<a name="line.197"></a> +<span class="sourceLineNo">198</span> BufferChain bc = null;<a name="line.198"></a> +<span class="sourceLineNo">199</span> try {<a name="line.199"></a> +<span class="sourceLineNo">200</span> ResponseHeader.Builder headerBuilder = ResponseHeader.newBuilder();<a name="line.200"></a> +<span class="sourceLineNo">201</span> // Call id.<a name="line.201"></a> +<span class="sourceLineNo">202</span> headerBuilder.setCallId(this.id);<a name="line.202"></a> +<span class="sourceLineNo">203</span> if (t != null) {<a name="line.203"></a> +<span class="sourceLineNo">204</span> setExceptionResponse(t, errorMsg, headerBuilder);<a name="line.204"></a> +<span class="sourceLineNo">205</span> }<a name="line.205"></a> +<span class="sourceLineNo">206</span> // Pass reservoir to buildCellBlock. Keep reference to returne so can add it back to the<a name="line.206"></a> +<span class="sourceLineNo">207</span> // reservoir when finished. This is hacky and the hack is not contained but benefits are<a name="line.207"></a> +<span class="sourceLineNo">208</span> // high when we can avoid a big buffer allocation on each rpc.<a name="line.208"></a> +<span class="sourceLineNo">209</span> List<ByteBuffer> cellBlock = null;<a name="line.209"></a> +<span class="sourceLineNo">210</span> int cellBlockSize = 0;<a name="line.210"></a> +<span class="sourceLineNo">211</span> if (this.reservoir != null) {<a name="line.211"></a> +<span class="sourceLineNo">212</span> this.cellBlockStream = this.cellBlockBuilder.buildCellBlockStream(this.connection.codec,<a name="line.212"></a> +<span class="sourceLineNo">213</span> this.connection.compressionCodec, cells, this.reservoir);<a name="line.213"></a> +<span class="sourceLineNo">214</span> if (this.cellBlockStream != null) {<a name="line.214"></a> +<span class="sourceLineNo">215</span> cellBlock = this.cellBlockStream.getByteBuffers();<a name="line.215"></a> +<span class="sourceLineNo">216</span> cellBlockSize = this.cellBlockStream.size();<a name="line.216"></a> +<span class="sourceLineNo">217</span> }<a name="line.217"></a> +<span class="sourceLineNo">218</span> } else {<a name="line.218"></a> +<span class="sourceLineNo">219</span> ByteBuffer b = this.cellBlockBuilder.buildCellBlock(this.connection.codec,<a name="line.219"></a> +<span class="sourceLineNo">220</span> this.connection.compressionCodec, cells);<a name="line.220"></a> +<span class="sourceLineNo">221</span> if (b != null) {<a name="line.221"></a> +<span class="sourceLineNo">222</span> cellBlockSize = b.remaining();<a name="line.222"></a> +<span class="sourceLineNo">223</span> cellBlock = new ArrayList<>(1);<a name="line.223"></a> +<span class="sourceLineNo">224</span> cellBlock.add(b);<a name="line.224"></a> +<span class="sourceLineNo">225</span> }<a name="line.225"></a> +<span class="sourceLineNo">226</span> }<a name="line.226"></a> +<span class="sourceLineNo">227</span><a name="line.227"></a> +<span class="sourceLineNo">228</span> if (cellBlockSize > 0) {<a name="line.228"></a> +<span class="sourceLineNo">229</span> CellBlockMeta.Builder cellBlockBuilder = CellBlockMeta.newBuilder();<a name="line.229"></a> +<span class="sourceLineNo">230</span> // Presumes the cellBlock bytebuffer has been flipped so limit has total size in it.<a name="line.230"></a> +<span class="sourceLineNo">231</span> cellBlockBuilder.setLength(cellBlockSize);<a name="line.231"></a> +<span class="sourceLineNo">232</span> headerBuilder.setCellBlockMeta(cellBlockBuilder.build());<a name="line.232"></a> +<span class="sourceLineNo">233</span> }<a name="line.233"></a> +<span class="sourceLineNo">234</span> Message header = headerBuilder.build();<a name="line.234"></a> +<span class="sourceLineNo">235</span> ByteBuffer headerBuf =<a name="line.235"></a> +<span class="sourceLineNo">236</span> createHeaderAndMessageBytes(m, header, cellBlockSize, cellBlock);<a name="line.236"></a> +<span class="sourceLineNo">237</span> ByteBuffer[] responseBufs = null;<a name="line.237"></a> +<span class="sourceLineNo">238</span> int cellBlockBufferSize = 0;<a name="line.238"></a> +<span class="sourceLineNo">239</span> if (cellBlock != null) {<a name="line.239"></a> +<span class="sourceLineNo">240</span> cellBlockBufferSize = cellBlock.size();<a name="line.240"></a> +<span class="sourceLineNo">241</span> responseBufs = new ByteBuffer[1 + cellBlockBufferSize];<a name="line.241"></a> +<span class="sourceLineNo">242</span> } else {<a name="line.242"></a> +<span class="sourceLineNo">243</span> responseBufs = new ByteBuffer[1];<a name="line.243"></a> +<span class="sourceLineNo">244</span> }<a name="line.244"></a> +<span class="sourceLineNo">245</span> responseBufs[0] = headerBuf;<a name="line.245"></a> +<span class="sourceLineNo">246</span> if (cellBlock != null) {<a name="line.246"></a> +<span class="sourceLineNo">247</span> for (int i = 0; i < cellBlockBufferSize; i++) {<a name="line.247"></a> +<span class="sourceLineNo">248</span> responseBufs[i + 1] = cellBlock.get(i);<a name="line.248"></a> +<span class="sourceLineNo">249</span> }<a name="line.249"></a> +<span class="sourceLineNo">250</span> }<a name="line.250"></a> +<span class="sourceLineNo">251</span> bc = new BufferChain(responseBufs);<a name="line.251"></a> +<span class="sourceLineNo">252</span> if (connection.useWrap) {<a name="line.252"></a> +<span class="sourceLineNo">253</span> bc = wrapWithSasl(bc);<a name="line.253"></a> +<span class="sourceLineNo">254</span> }<a name="line.254"></a> +<span class="sourceLineNo">255</span> } catch (IOException e) {<a name="line.255"></a> +<span class="sourceLineNo">256</span> RpcServer.LOG.warn("Exception while creating response " + e);<a name="line.256"></a> +<span class="sourceLineNo">257</span> }<a name="line.257"></a> +<span class="sourceLineNo">258</span> this.response = bc;<a name="line.258"></a> +<span class="sourceLineNo">259</span> // Once a response message is created and set to this.response, this Call can be treated as<a name="line.259"></a> +<span class="sourceLineNo">260</span> // done. 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This is only one carrying a payload.<a name="line.278"></a> +<span class="sourceLineNo">279</span> // Do this instead of build a generic system for allowing exceptions carry<a name="line.279"></a> +<span class="sourceLineNo">280</span> // any kind of payload.<a name="line.280"></a> +<span class="sourceLineNo">281</span> RegionMovedException rme = (RegionMovedException)t;<a name="line.281"></a> +<span class="sourceLineNo">282</span> exceptionBuilder.setHostname(rme.getHostname());<a name="line.282"></a> +<span class="sourceLineNo">283</span> exceptionBuilder.setPort(rme.getPort());<a name="line.283"></a> +<span class="sourceLineNo">284</span> }<a name="line.284"></a> +<span class="sourceLineNo">285</span> // Set the exception as the result of the method invocation.<a name="line.285"></a> +<span class="sourceLineNo">286</span> headerBuilder.setException(exceptionBuilder.build());<a name="line.286"></a> +<span class="sourceLineNo">287</span> }<a name="line.287"></a> +<span class="sourceLineNo">288</span><a name="line.288"></a> +<span class="sourceLineNo">289</span> protected ByteBuffer createHeaderAndMessageBytes(Message result, Message header,<a name="line.289"></a> +<span class="sourceLineNo">290</span> int cellBlockSize, List<ByteBuffer> cellBlock) throws IOException {<a name="line.290"></a> +<span class="sourceLineNo">291</span> // Organize the response as a set of bytebuffers rather than collect it all together inside<a name="line.291"></a> +<span class="sourceLineNo">292</span> // one big byte array; save on allocations.<a name="line.292"></a> +<span class="sourceLineNo">293</span> // for writing the header, we check if there is available space in the buffers<a name="line.293"></a> +<span class="sourceLineNo">294</span> // created for the cellblock itself. If there is space for the header, we reuse<a name="line.294"></a> +<span class="sourceLineNo">295</span> // the last buffer in the cellblock. This applies to the cellblock created from the<a name="line.295"></a> +<span class="sourceLineNo">296</span> // pool or even the onheap cellblock buffer in case there is no pool enabled.<a name="line.296"></a> +<span class="sourceLineNo">297</span> // Possible reuse would avoid creating a temporary array for storing the header every time.<a name="line.297"></a> +<span class="sourceLineNo">298</span> ByteBuffer possiblePBBuf =<a name="line.298"></a> +<span class="sourceLineNo">299</span> (cellBlockSize > 0) ? cellBlock.get(cellBlock.size() - 1) : null;<a name="line.299"></a> +<span class="sourceLineNo">300</span> int headerSerializedSize = 0, resultSerializedSize = 0, headerVintSize = 0,<a name="line.300"></a> +<span class="sourceLineNo">301</span> resultVintSize = 0;<a name="line.301"></a> +<span class="sourceLineNo">302</span> if (header != null) {<a name="line.302"></a> +<span class="sourceLineNo">303</span> headerSerializedSize = header.getSerializedSize();<a name="line.303"></a> +<span class="sourceLineNo">304</span> headerVintSize = CodedOutputStream.computeUInt32SizeNoTag(headerSerializedSize);<a name="line.304"></a> +<span class="sourceLineNo">305</span> }<a name="line.305"></a> +<span class="sourceLineNo">306</span> if (result != null) {<a name="line.306"></a> +<span class="sourceLineNo">307</span> resultSerializedSize = result.getSerializedSize();<a name="line.307"></a> +<span class="sourceLineNo">308</span> resultVintSize = CodedOutputStream.computeUInt32SizeNoTag(resultSerializedSize);<a name="line.308"></a> +<span class="sourceLineNo">309</span> }<a name="line.309"></a> +<span class="sourceLineNo">310</span> // calculate the total size<a name="line.310"></a> +<span class="sourceLineNo">311</span> int totalSize = headerSerializedSize + headerVintSize<a name="line.311"></a> +<span class="sourceLineNo">312</span> + (resultSerializedSize + resultVintSize)<a name="line.312"></a> +<span class="sourceLineNo">313</span> + cellBlockSize;<a name="line.313"></a> +<span class="sourceLineNo">314</span> int totalPBSize = headerSerializedSize + headerVintSize + resultSerializedSize<a name="line.314"></a> +<span class="sourceLineNo">315</span> + resultVintSize + Bytes.SIZEOF_INT;<a name="line.315"></a> +<span class="sourceLineNo">316</span> // Only if the last buffer has enough space for header use it. Else allocate<a name="line.316"></a> +<span class="sourceLineNo">317</span> // a new buffer. Assume they are all flipped<a name="line.317"></a> +<span class="sourceLineNo">318</span> if (possiblePBBuf != null<a name="line.318"></a> +<span class="sourceLineNo">319</span> && possiblePBBuf.limit() + totalPBSize <= possiblePBBuf.capacity()) {<a name="line.319"></a> +<span class="sourceLineNo">320</span> // duplicate the buffer. 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