http://git-wip-us.apache.org/repos/asf/hbase-site/blob/804782f0/devapidocs/src-html/org/apache/hadoop/hbase/ipc/NettyRpcDuplexHandler.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/NettyRpcDuplexHandler.html b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/NettyRpcDuplexHandler.html index c5acc87..638f1aa 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/NettyRpcDuplexHandler.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/NettyRpcDuplexHandler.html @@ -25,239 +25,240 @@ <span class="sourceLineNo">017</span> */<a name="line.17"></a> <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.ipc;<a name="line.18"></a> <span class="sourceLineNo">019</span><a name="line.19"></a> -<span class="sourceLineNo">020</span>import org.apache.hbase.thirdparty.com.google.protobuf.Message;<a name="line.20"></a> -<span class="sourceLineNo">021</span>import org.apache.hbase.thirdparty.com.google.protobuf.Message.Builder;<a name="line.21"></a> -<span class="sourceLineNo">022</span>import org.apache.hbase.thirdparty.com.google.protobuf.TextFormat;<a name="line.22"></a> -<span class="sourceLineNo">023</span><a name="line.23"></a> -<span class="sourceLineNo">024</span>import org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import org.apache.hbase.thirdparty.io.netty.buffer.ByteBufInputStream;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import org.apache.hbase.thirdparty.io.netty.buffer.ByteBufOutputStream;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelDuplexHandler;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerContext;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelPromise;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.hbase.thirdparty.io.netty.handler.timeout.IdleStateEvent;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hbase.thirdparty.io.netty.util.concurrent.PromiseCombiner;<a name="line.31"></a> -<span class="sourceLineNo">032</span><a name="line.32"></a> -<span class="sourceLineNo">033</span>import java.io.IOException;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import java.util.HashMap;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import java.util.Map;<a name="line.35"></a> -<span class="sourceLineNo">036</span><a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.slf4j.Logger;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.slf4j.LoggerFactory;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.codec.Codec;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ResponseHeader;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.io.compress.CompressionCodec;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.ipc.RemoteException;<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> * The netty rpc handler.<a name="line.50"></a> -<span class="sourceLineNo">051</span> * @since 2.0.0<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>class NettyRpcDuplexHandler extends ChannelDuplexHandler {<a name="line.54"></a> -<span class="sourceLineNo">055</span><a name="line.55"></a> -<span class="sourceLineNo">056</span> private static final Logger LOG = LoggerFactory.getLogger(NettyRpcDuplexHandler.class);<a name="line.56"></a> -<span class="sourceLineNo">057</span><a name="line.57"></a> -<span class="sourceLineNo">058</span> private final NettyRpcConnection conn;<a name="line.58"></a> -<span class="sourceLineNo">059</span><a name="line.59"></a> -<span class="sourceLineNo">060</span> private final CellBlockBuilder cellBlockBuilder;<a name="line.60"></a> -<span class="sourceLineNo">061</span><a name="line.61"></a> -<span class="sourceLineNo">062</span> private final Codec codec;<a name="line.62"></a> -<span class="sourceLineNo">063</span><a name="line.63"></a> -<span class="sourceLineNo">064</span> private final CompressionCodec compressor;<a name="line.64"></a> -<span class="sourceLineNo">065</span><a name="line.65"></a> -<span class="sourceLineNo">066</span> private final Map<Integer, Call> id2Call = new HashMap<>();<a name="line.66"></a> -<span class="sourceLineNo">067</span><a name="line.67"></a> -<span class="sourceLineNo">068</span> public NettyRpcDuplexHandler(NettyRpcConnection conn, CellBlockBuilder cellBlockBuilder,<a name="line.68"></a> -<span class="sourceLineNo">069</span> Codec codec, CompressionCodec compressor) {<a name="line.69"></a> -<span class="sourceLineNo">070</span> this.conn = conn;<a name="line.70"></a> -<span class="sourceLineNo">071</span> this.cellBlockBuilder = cellBlockBuilder;<a name="line.71"></a> -<span class="sourceLineNo">072</span> this.codec = codec;<a name="line.72"></a> -<span class="sourceLineNo">073</span> this.compressor = compressor;<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> private void writeRequest(ChannelHandlerContext ctx, Call call, ChannelPromise promise)<a name="line.77"></a> -<span class="sourceLineNo">078</span> throws IOException {<a name="line.78"></a> -<span class="sourceLineNo">079</span> id2Call.put(call.id, call);<a name="line.79"></a> -<span class="sourceLineNo">080</span> ByteBuf cellBlock = cellBlockBuilder.buildCellBlock(codec, compressor, call.cells, ctx.alloc());<a name="line.80"></a> -<span class="sourceLineNo">081</span> CellBlockMeta cellBlockMeta;<a name="line.81"></a> -<span class="sourceLineNo">082</span> if (cellBlock != null) {<a name="line.82"></a> -<span class="sourceLineNo">083</span> CellBlockMeta.Builder cellBlockMetaBuilder = CellBlockMeta.newBuilder();<a name="line.83"></a> -<span class="sourceLineNo">084</span> cellBlockMetaBuilder.setLength(cellBlock.writerIndex());<a name="line.84"></a> -<span class="sourceLineNo">085</span> cellBlockMeta = cellBlockMetaBuilder.build();<a name="line.85"></a> -<span class="sourceLineNo">086</span> } else {<a name="line.86"></a> -<span class="sourceLineNo">087</span> cellBlockMeta = null;<a name="line.87"></a> -<span class="sourceLineNo">088</span> }<a name="line.88"></a> -<span class="sourceLineNo">089</span> RequestHeader requestHeader = IPCUtil.buildRequestHeader(call, cellBlockMeta);<a name="line.89"></a> -<span class="sourceLineNo">090</span> int sizeWithoutCellBlock = IPCUtil.getTotalSizeWhenWrittenDelimited(requestHeader, call.param);<a name="line.90"></a> -<span class="sourceLineNo">091</span> int totalSize = cellBlock != null ? sizeWithoutCellBlock + cellBlock.writerIndex()<a name="line.91"></a> -<span class="sourceLineNo">092</span> : sizeWithoutCellBlock;<a name="line.92"></a> -<span class="sourceLineNo">093</span> ByteBuf buf = ctx.alloc().buffer(sizeWithoutCellBlock + 4);<a name="line.93"></a> -<span class="sourceLineNo">094</span> buf.writeInt(totalSize);<a name="line.94"></a> -<span class="sourceLineNo">095</span> try (ByteBufOutputStream bbos = new ByteBufOutputStream(buf)) {<a name="line.95"></a> -<span class="sourceLineNo">096</span> requestHeader.writeDelimitedTo(bbos);<a name="line.96"></a> -<span class="sourceLineNo">097</span> if (call.param != null) {<a name="line.97"></a> -<span class="sourceLineNo">098</span> call.param.writeDelimitedTo(bbos);<a name="line.98"></a> -<span class="sourceLineNo">099</span> }<a name="line.99"></a> -<span class="sourceLineNo">100</span> if (cellBlock != null) {<a name="line.100"></a> -<span class="sourceLineNo">101</span> ChannelPromise withoutCellBlockPromise = ctx.newPromise();<a name="line.101"></a> -<span class="sourceLineNo">102</span> ctx.write(buf, withoutCellBlockPromise);<a name="line.102"></a> -<span class="sourceLineNo">103</span> ChannelPromise cellBlockPromise = ctx.newPromise();<a name="line.103"></a> -<span class="sourceLineNo">104</span> ctx.write(cellBlock, cellBlockPromise);<a name="line.104"></a> -<span class="sourceLineNo">105</span> PromiseCombiner combiner = new PromiseCombiner();<a name="line.105"></a> -<span class="sourceLineNo">106</span> combiner.addAll(withoutCellBlockPromise, cellBlockPromise);<a name="line.106"></a> -<span class="sourceLineNo">107</span> combiner.finish(promise);<a name="line.107"></a> -<span class="sourceLineNo">108</span> } else {<a name="line.108"></a> -<span class="sourceLineNo">109</span> ctx.write(buf, promise);<a name="line.109"></a> -<span class="sourceLineNo">110</span> }<a name="line.110"></a> -<span class="sourceLineNo">111</span> }<a name="line.111"></a> -<span class="sourceLineNo">112</span> }<a name="line.112"></a> -<span class="sourceLineNo">113</span><a name="line.113"></a> -<span class="sourceLineNo">114</span> @Override<a name="line.114"></a> -<span class="sourceLineNo">115</span> public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise)<a name="line.115"></a> -<span class="sourceLineNo">116</span> throws Exception {<a name="line.116"></a> -<span class="sourceLineNo">117</span> if (msg instanceof Call) {<a name="line.117"></a> -<span class="sourceLineNo">118</span> writeRequest(ctx, (Call) msg, promise);<a name="line.118"></a> -<span class="sourceLineNo">119</span> } else {<a name="line.119"></a> -<span class="sourceLineNo">120</span> ctx.write(msg, promise);<a name="line.120"></a> -<span class="sourceLineNo">121</span> }<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> private void readResponse(ChannelHandlerContext ctx, ByteBuf buf) throws IOException {<a name="line.124"></a> -<span class="sourceLineNo">125</span> int totalSize = buf.readInt();<a name="line.125"></a> -<span class="sourceLineNo">126</span> ByteBufInputStream in = new ByteBufInputStream(buf);<a name="line.126"></a> -<span class="sourceLineNo">127</span> ResponseHeader responseHeader = ResponseHeader.parseDelimitedFrom(in);<a name="line.127"></a> -<span class="sourceLineNo">128</span> int id = responseHeader.getCallId();<a name="line.128"></a> -<span class="sourceLineNo">129</span> if (LOG.isTraceEnabled()) {<a name="line.129"></a> -<span class="sourceLineNo">130</span> LOG.trace("got response header " + TextFormat.shortDebugString(responseHeader)<a name="line.130"></a> -<span class="sourceLineNo">131</span> + ", totalSize: " + totalSize + " bytes");<a name="line.131"></a> -<span class="sourceLineNo">132</span> }<a name="line.132"></a> -<span class="sourceLineNo">133</span> RemoteException remoteExc;<a name="line.133"></a> -<span class="sourceLineNo">134</span> if (responseHeader.hasException()) {<a name="line.134"></a> -<span class="sourceLineNo">135</span> ExceptionResponse exceptionResponse = responseHeader.getException();<a name="line.135"></a> -<span class="sourceLineNo">136</span> remoteExc = IPCUtil.createRemoteException(exceptionResponse);<a name="line.136"></a> -<span class="sourceLineNo">137</span> if (IPCUtil.isFatalConnectionException(exceptionResponse)) {<a name="line.137"></a> -<span class="sourceLineNo">138</span> // Here we will cleanup all calls so do not need to fall back, just return.<a name="line.138"></a> -<span class="sourceLineNo">139</span> exceptionCaught(ctx, remoteExc);<a name="line.139"></a> -<span class="sourceLineNo">140</span> return;<a name="line.140"></a> -<span class="sourceLineNo">141</span> }<a name="line.141"></a> -<span class="sourceLineNo">142</span> } else {<a name="line.142"></a> -<span class="sourceLineNo">143</span> remoteExc = null;<a name="line.143"></a> -<span class="sourceLineNo">144</span> }<a name="line.144"></a> -<span class="sourceLineNo">145</span> Call call = id2Call.remove(id);<a name="line.145"></a> -<span class="sourceLineNo">146</span> if (call == null) {<a name="line.146"></a> -<span class="sourceLineNo">147</span> // So we got a response for which we have no corresponding 'call' here on the client-side.<a name="line.147"></a> -<span class="sourceLineNo">148</span> // We probably timed out waiting, cleaned up all references, and now the server decides<a name="line.148"></a> -<span class="sourceLineNo">149</span> // to return a response. There is nothing we can do w/ the response at this stage. Clean<a name="line.149"></a> -<span class="sourceLineNo">150</span> // out the wire of the response so its out of the way and we can get other responses on<a name="line.150"></a> -<span class="sourceLineNo">151</span> // this connection.<a name="line.151"></a> -<span class="sourceLineNo">152</span> int readSoFar = IPCUtil.getTotalSizeWhenWrittenDelimited(responseHeader);<a name="line.152"></a> -<span class="sourceLineNo">153</span> int whatIsLeftToRead = totalSize - readSoFar;<a name="line.153"></a> -<span class="sourceLineNo">154</span> if (LOG.isDebugEnabled()) {<a name="line.154"></a> -<span class="sourceLineNo">155</span> LOG.debug("Unknown callId: " + id + ", skipping over this response of " + whatIsLeftToRead<a name="line.155"></a> -<span class="sourceLineNo">156</span> + " bytes");<a name="line.156"></a> -<span class="sourceLineNo">157</span> }<a name="line.157"></a> -<span class="sourceLineNo">158</span> return;<a name="line.158"></a> -<span class="sourceLineNo">159</span> }<a 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class="sourceLineNo">171</span> }<a name="line.171"></a> -<span class="sourceLineNo">172</span> CellScanner cellBlockScanner;<a name="line.172"></a> -<span class="sourceLineNo">173</span> if (responseHeader.hasCellBlockMeta()) {<a name="line.173"></a> -<span class="sourceLineNo">174</span> int size = responseHeader.getCellBlockMeta().getLength();<a name="line.174"></a> -<span class="sourceLineNo">175</span> // Maybe we could read directly from the ByteBuf.<a name="line.175"></a> -<span class="sourceLineNo">176</span> // The problem here is that we do not know when to release it.<a name="line.176"></a> -<span class="sourceLineNo">177</span> byte[] cellBlock = new byte[size];<a name="line.177"></a> -<span class="sourceLineNo">178</span> buf.readBytes(cellBlock);<a name="line.178"></a> -<span class="sourceLineNo">179</span> cellBlockScanner = cellBlockBuilder.createCellScanner(this.codec, this.compressor, cellBlock);<a name="line.179"></a> -<span class="sourceLineNo">180</span> } else {<a name="line.180"></a> -<span class="sourceLineNo">181</span> cellBlockScanner = null;<a name="line.181"></a> -<span class="sourceLineNo">182</span> }<a name="line.182"></a> -<span class="sourceLineNo">183</span> call.setResponse(value, cellBlockScanner);<a name="line.183"></a> -<span class="sourceLineNo">184</span> }<a name="line.184"></a> -<span class="sourceLineNo">185</span><a name="line.185"></a> -<span class="sourceLineNo">186</span> @Override<a name="line.186"></a> -<span class="sourceLineNo">187</span> public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {<a name="line.187"></a> -<span class="sourceLineNo">188</span> if (msg instanceof ByteBuf) {<a name="line.188"></a> -<span class="sourceLineNo">189</span> ByteBuf buf = (ByteBuf) msg;<a name="line.189"></a> -<span class="sourceLineNo">190</span> try {<a name="line.190"></a> -<span class="sourceLineNo">191</span> readResponse(ctx, buf);<a name="line.191"></a> -<span class="sourceLineNo">192</span> } finally {<a name="line.192"></a> -<span class="sourceLineNo">193</span> buf.release();<a name="line.193"></a> -<span class="sourceLineNo">194</span> }<a name="line.194"></a> -<span class="sourceLineNo">195</span> } else {<a name="line.195"></a> -<span class="sourceLineNo">196</span> super.channelRead(ctx, msg);<a name="line.196"></a> -<span class="sourceLineNo">197</span> }<a name="line.197"></a> -<span class="sourceLineNo">198</span> }<a name="line.198"></a> -<span class="sourceLineNo">199</span><a name="line.199"></a> -<span class="sourceLineNo">200</span> private void cleanupCalls(ChannelHandlerContext ctx, IOException error) {<a name="line.200"></a> -<span class="sourceLineNo">201</span> for (Call call : id2Call.values()) {<a name="line.201"></a> -<span class="sourceLineNo">202</span> call.setException(error);<a name="line.202"></a> -<span class="sourceLineNo">203</span> }<a name="line.203"></a> -<span class="sourceLineNo">204</span> id2Call.clear();<a name="line.204"></a> -<span class="sourceLineNo">205</span> }<a name="line.205"></a> -<span class="sourceLineNo">206</span><a name="line.206"></a> -<span class="sourceLineNo">207</span> @Override<a name="line.207"></a> -<span class="sourceLineNo">208</span> public void channelInactive(ChannelHandlerContext ctx) throws Exception {<a name="line.208"></a> -<span class="sourceLineNo">209</span> if (!id2Call.isEmpty()) {<a name="line.209"></a> -<span class="sourceLineNo">210</span> cleanupCalls(ctx, new IOException("Connection closed"));<a name="line.210"></a> -<span class="sourceLineNo">211</span> }<a name="line.211"></a> -<span class="sourceLineNo">212</span> conn.shutdown();<a name="line.212"></a> -<span class="sourceLineNo">213</span> ctx.fireChannelInactive();<a name="line.213"></a> -<span class="sourceLineNo">214</span> }<a name="line.214"></a> -<span class="sourceLineNo">215</span><a name="line.215"></a> -<span class="sourceLineNo">216</span> @Override<a name="line.216"></a> -<span class="sourceLineNo">217</span> public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {<a name="line.217"></a> -<span class="sourceLineNo">218</span> if (!id2Call.isEmpty()) {<a name="line.218"></a> -<span class="sourceLineNo">219</span> cleanupCalls(ctx, IPCUtil.toIOE(cause));<a name="line.219"></a> -<span class="sourceLineNo">220</span> }<a name="line.220"></a> -<span class="sourceLineNo">221</span> conn.shutdown();<a name="line.221"></a> -<span class="sourceLineNo">222</span> }<a name="line.222"></a> -<span class="sourceLineNo">223</span><a name="line.223"></a> -<span class="sourceLineNo">224</span> @Override<a name="line.224"></a> -<span class="sourceLineNo">225</span> public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {<a name="line.225"></a> -<span class="sourceLineNo">226</span> if (evt instanceof IdleStateEvent) {<a name="line.226"></a> -<span class="sourceLineNo">227</span> IdleStateEvent idleEvt = (IdleStateEvent) evt;<a name="line.227"></a> -<span class="sourceLineNo">228</span> switch (idleEvt.state()) {<a name="line.228"></a> -<span class="sourceLineNo">229</span> case WRITER_IDLE:<a name="line.229"></a> -<span class="sourceLineNo">230</span> if (id2Call.isEmpty()) {<a name="line.230"></a> -<span class="sourceLineNo">231</span> if (LOG.isTraceEnabled()) {<a name="line.231"></a> -<span class="sourceLineNo">232</span> LOG.trace("shutdown connection to " + conn.remoteId().address<a name="line.232"></a> -<span class="sourceLineNo">233</span> + " because idle for a long time");<a name="line.233"></a> -<span class="sourceLineNo">234</span> }<a name="line.234"></a> -<span class="sourceLineNo">235</span> // It may happen that there are still some pending calls in the event loop queue and<a name="line.235"></a> -<span class="sourceLineNo">236</span> // they will get a closed channel exception. But this is not a big deal as it rarely<a name="line.236"></a> -<span class="sourceLineNo">237</span> // rarely happens and the upper layer could retry immediately.<a name="line.237"></a> -<span class="sourceLineNo">238</span> conn.shutdown();<a name="line.238"></a> -<span class="sourceLineNo">239</span> }<a name="line.239"></a> -<span class="sourceLineNo">240</span> break;<a name="line.240"></a> -<span class="sourceLineNo">241</span> default:<a name="line.241"></a> -<span class="sourceLineNo">242</span> LOG.warn("Unrecognized idle state " + idleEvt.state());<a name="line.242"></a> -<span class="sourceLineNo">243</span> break;<a name="line.243"></a> -<span class="sourceLineNo">244</span> }<a name="line.244"></a> -<span class="sourceLineNo">245</span> } else if (evt instanceof CallEvent) {<a name="line.245"></a> -<span class="sourceLineNo">246</span> // just remove the call for now until we add other call event other than timeout and cancel.<a name="line.246"></a> -<span class="sourceLineNo">247</span> id2Call.remove(((CallEvent) evt).call.id);<a name="line.247"></a> -<span class="sourceLineNo">248</span> } else {<a name="line.248"></a> -<span class="sourceLineNo">249</span> ctx.fireUserEventTriggered(evt);<a name="line.249"></a> -<span class="sourceLineNo">250</span> }<a name="line.250"></a> -<span class="sourceLineNo">251</span> }<a name="line.251"></a> -<span class="sourceLineNo">252</span>}<a name="line.252"></a> +<span class="sourceLineNo">020</span>import org.apache.hadoop.hbase.exceptions.ConnectionClosedException;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import org.apache.hbase.thirdparty.com.google.protobuf.Message;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.apache.hbase.thirdparty.com.google.protobuf.Message.Builder;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.apache.hbase.thirdparty.com.google.protobuf.TextFormat;<a name="line.23"></a> +<span class="sourceLineNo">024</span><a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.hbase.thirdparty.io.netty.buffer.ByteBufInputStream;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.apache.hbase.thirdparty.io.netty.buffer.ByteBufOutputStream;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelDuplexHandler;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerContext;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hbase.thirdparty.io.netty.channel.ChannelPromise;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hbase.thirdparty.io.netty.handler.timeout.IdleStateEvent;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hbase.thirdparty.io.netty.util.concurrent.PromiseCombiner;<a name="line.32"></a> +<span class="sourceLineNo">033</span><a name="line.33"></a> +<span class="sourceLineNo">034</span>import java.io.IOException;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import java.util.HashMap;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import java.util.Map;<a name="line.36"></a> +<span class="sourceLineNo">037</span><a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.slf4j.Logger;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.slf4j.LoggerFactory;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.codec.Codec;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.CellBlockMeta;<a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ExceptionResponse;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ResponseHeader;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.hadoop.io.compress.CompressionCodec;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.apache.hadoop.ipc.RemoteException;<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> * The netty rpc handler.<a name="line.51"></a> +<span class="sourceLineNo">052</span> * @since 2.0.0<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>class NettyRpcDuplexHandler extends ChannelDuplexHandler {<a name="line.55"></a> +<span class="sourceLineNo">056</span><a name="line.56"></a> +<span class="sourceLineNo">057</span> private static final Logger LOG = LoggerFactory.getLogger(NettyRpcDuplexHandler.class);<a name="line.57"></a> +<span class="sourceLineNo">058</span><a name="line.58"></a> +<span class="sourceLineNo">059</span> private final NettyRpcConnection conn;<a name="line.59"></a> +<span class="sourceLineNo">060</span><a name="line.60"></a> +<span class="sourceLineNo">061</span> private final CellBlockBuilder cellBlockBuilder;<a name="line.61"></a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span> private final Codec codec;<a name="line.63"></a> +<span class="sourceLineNo">064</span><a name="line.64"></a> +<span class="sourceLineNo">065</span> private final CompressionCodec compressor;<a name="line.65"></a> +<span class="sourceLineNo">066</span><a name="line.66"></a> +<span class="sourceLineNo">067</span> private final Map<Integer, Call> id2Call = new HashMap<>();<a name="line.67"></a> +<span class="sourceLineNo">068</span><a name="line.68"></a> +<span class="sourceLineNo">069</span> public NettyRpcDuplexHandler(NettyRpcConnection conn, CellBlockBuilder cellBlockBuilder,<a name="line.69"></a> +<span class="sourceLineNo">070</span> Codec codec, CompressionCodec compressor) {<a name="line.70"></a> +<span class="sourceLineNo">071</span> this.conn = conn;<a name="line.71"></a> +<span class="sourceLineNo">072</span> this.cellBlockBuilder = cellBlockBuilder;<a name="line.72"></a> +<span class="sourceLineNo">073</span> this.codec = codec;<a name="line.73"></a> +<span class="sourceLineNo">074</span> this.compressor = compressor;<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> private void writeRequest(ChannelHandlerContext ctx, Call call, ChannelPromise promise)<a name="line.78"></a> +<span class="sourceLineNo">079</span> throws IOException {<a name="line.79"></a> +<span class="sourceLineNo">080</span> id2Call.put(call.id, call);<a name="line.80"></a> +<span class="sourceLineNo">081</span> ByteBuf cellBlock = cellBlockBuilder.buildCellBlock(codec, compressor, call.cells, ctx.alloc());<a name="line.81"></a> +<span class="sourceLineNo">082</span> CellBlockMeta cellBlockMeta;<a name="line.82"></a> +<span class="sourceLineNo">083</span> if (cellBlock != null) {<a name="line.83"></a> +<span class="sourceLineNo">084</span> CellBlockMeta.Builder cellBlockMetaBuilder = CellBlockMeta.newBuilder();<a name="line.84"></a> +<span class="sourceLineNo">085</span> cellBlockMetaBuilder.setLength(cellBlock.writerIndex());<a name="line.85"></a> +<span class="sourceLineNo">086</span> cellBlockMeta = cellBlockMetaBuilder.build();<a name="line.86"></a> +<span class="sourceLineNo">087</span> } else {<a name="line.87"></a> +<span class="sourceLineNo">088</span> cellBlockMeta = null;<a name="line.88"></a> +<span class="sourceLineNo">089</span> }<a name="line.89"></a> +<span class="sourceLineNo">090</span> RequestHeader requestHeader = IPCUtil.buildRequestHeader(call, cellBlockMeta);<a name="line.90"></a> +<span class="sourceLineNo">091</span> int sizeWithoutCellBlock = IPCUtil.getTotalSizeWhenWrittenDelimited(requestHeader, call.param);<a name="line.91"></a> +<span class="sourceLineNo">092</span> int totalSize = cellBlock != null ? sizeWithoutCellBlock + cellBlock.writerIndex()<a name="line.92"></a> +<span class="sourceLineNo">093</span> : sizeWithoutCellBlock;<a name="line.93"></a> +<span class="sourceLineNo">094</span> ByteBuf buf = ctx.alloc().buffer(sizeWithoutCellBlock + 4);<a name="line.94"></a> +<span class="sourceLineNo">095</span> buf.writeInt(totalSize);<a name="line.95"></a> +<span class="sourceLineNo">096</span> try (ByteBufOutputStream bbos = new ByteBufOutputStream(buf)) {<a name="line.96"></a> +<span class="sourceLineNo">097</span> requestHeader.writeDelimitedTo(bbos);<a name="line.97"></a> +<span class="sourceLineNo">098</span> if (call.param != null) {<a name="line.98"></a> +<span class="sourceLineNo">099</span> call.param.writeDelimitedTo(bbos);<a name="line.99"></a> +<span class="sourceLineNo">100</span> }<a name="line.100"></a> +<span class="sourceLineNo">101</span> if (cellBlock != null) {<a name="line.101"></a> +<span class="sourceLineNo">102</span> ChannelPromise withoutCellBlockPromise = ctx.newPromise();<a name="line.102"></a> +<span class="sourceLineNo">103</span> ctx.write(buf, withoutCellBlockPromise);<a name="line.103"></a> +<span class="sourceLineNo">104</span> ChannelPromise cellBlockPromise = ctx.newPromise();<a name="line.104"></a> +<span class="sourceLineNo">105</span> ctx.write(cellBlock, cellBlockPromise);<a name="line.105"></a> +<span class="sourceLineNo">106</span> PromiseCombiner combiner = new PromiseCombiner();<a name="line.106"></a> +<span class="sourceLineNo">107</span> combiner.addAll(withoutCellBlockPromise, cellBlockPromise);<a name="line.107"></a> +<span class="sourceLineNo">108</span> combiner.finish(promise);<a name="line.108"></a> +<span class="sourceLineNo">109</span> } else {<a name="line.109"></a> +<span class="sourceLineNo">110</span> ctx.write(buf, promise);<a name="line.110"></a> +<span class="sourceLineNo">111</span> }<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span> }<a name="line.113"></a> +<span class="sourceLineNo">114</span><a name="line.114"></a> +<span class="sourceLineNo">115</span> @Override<a name="line.115"></a> +<span class="sourceLineNo">116</span> public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise)<a name="line.116"></a> +<span class="sourceLineNo">117</span> throws Exception {<a name="line.117"></a> +<span class="sourceLineNo">118</span> if (msg instanceof Call) {<a name="line.118"></a> +<span class="sourceLineNo">119</span> writeRequest(ctx, (Call) msg, promise);<a name="line.119"></a> +<span class="sourceLineNo">120</span> } else {<a name="line.120"></a> +<span class="sourceLineNo">121</span> ctx.write(msg, promise);<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> private void readResponse(ChannelHandlerContext ctx, ByteBuf buf) throws IOException {<a name="line.125"></a> +<span class="sourceLineNo">126</span> int totalSize = buf.readInt();<a name="line.126"></a> +<span class="sourceLineNo">127</span> ByteBufInputStream in = new ByteBufInputStream(buf);<a name="line.127"></a> +<span class="sourceLineNo">128</span> ResponseHeader responseHeader = ResponseHeader.parseDelimitedFrom(in);<a name="line.128"></a> +<span class="sourceLineNo">129</span> int id = responseHeader.getCallId();<a name="line.129"></a> +<span class="sourceLineNo">130</span> if (LOG.isTraceEnabled()) {<a name="line.130"></a> +<span class="sourceLineNo">131</span> LOG.trace("got response header " + TextFormat.shortDebugString(responseHeader)<a name="line.131"></a> +<span class="sourceLineNo">132</span> + ", totalSize: " + totalSize + " bytes");<a name="line.132"></a> +<span class="sourceLineNo">133</span> }<a name="line.133"></a> +<span class="sourceLineNo">134</span> RemoteException remoteExc;<a name="line.134"></a> +<span class="sourceLineNo">135</span> if (responseHeader.hasException()) {<a name="line.135"></a> +<span class="sourceLineNo">136</span> ExceptionResponse exceptionResponse = responseHeader.getException();<a name="line.136"></a> +<span class="sourceLineNo">137</span> remoteExc = IPCUtil.createRemoteException(exceptionResponse);<a name="line.137"></a> +<span class="sourceLineNo">138</span> if (IPCUtil.isFatalConnectionException(exceptionResponse)) {<a name="line.138"></a> +<span class="sourceLineNo">139</span> // Here we will cleanup all calls so do not need to fall back, just return.<a name="line.139"></a> +<span class="sourceLineNo">140</span> exceptionCaught(ctx, remoteExc);<a name="line.140"></a> +<span class="sourceLineNo">141</span> return;<a name="line.141"></a> +<span class="sourceLineNo">142</span> }<a name="line.142"></a> +<span class="sourceLineNo">143</span> } else {<a name="line.143"></a> +<span class="sourceLineNo">144</span> remoteExc = null;<a name="line.144"></a> +<span class="sourceLineNo">145</span> }<a name="line.145"></a> +<span class="sourceLineNo">146</span> Call call = id2Call.remove(id);<a name="line.146"></a> +<span class="sourceLineNo">147</span> if (call == null) {<a name="line.147"></a> +<span class="sourceLineNo">148</span> // So we got a response for which we have no corresponding 'call' here on the client-side.<a name="line.148"></a> +<span class="sourceLineNo">149</span> // We probably timed out waiting, cleaned up all references, and now the server decides<a name="line.149"></a> +<span class="sourceLineNo">150</span> // to return a response. There is nothing we can do w/ the response at this stage. Clean<a name="line.150"></a> +<span class="sourceLineNo">151</span> // out the wire of the response so its out of the way and we can get other responses on<a name="line.151"></a> +<span class="sourceLineNo">152</span> // this connection.<a name="line.152"></a> +<span class="sourceLineNo">153</span> int readSoFar = IPCUtil.getTotalSizeWhenWrittenDelimited(responseHeader);<a name="line.153"></a> +<span class="sourceLineNo">154</span> int whatIsLeftToRead = totalSize - readSoFar;<a name="line.154"></a> +<span class="sourceLineNo">155</span> if (LOG.isDebugEnabled()) {<a name="line.155"></a> +<span class="sourceLineNo">156</span> LOG.debug("Unknown callId: " + id + ", skipping over this response of " + whatIsLeftToRead<a name="line.156"></a> +<span class="sourceLineNo">157</span> + " bytes");<a name="line.157"></a> +<span class="sourceLineNo">158</span> }<a name="line.158"></a> +<span class="sourceLineNo">159</span> return;<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span> if (remoteExc != null) {<a name="line.161"></a> +<span class="sourceLineNo">162</span> call.setException(remoteExc);<a name="line.162"></a> +<span class="sourceLineNo">163</span> return;<a name="line.163"></a> +<span class="sourceLineNo">164</span> }<a name="line.164"></a> +<span class="sourceLineNo">165</span> Message value;<a name="line.165"></a> +<span class="sourceLineNo">166</span> if (call.responseDefaultType != null) {<a name="line.166"></a> +<span class="sourceLineNo">167</span> Builder builder = call.responseDefaultType.newBuilderForType();<a name="line.167"></a> +<span class="sourceLineNo">168</span> builder.mergeDelimitedFrom(in);<a name="line.168"></a> +<span class="sourceLineNo">169</span> value = builder.build();<a name="line.169"></a> +<span class="sourceLineNo">170</span> } else {<a name="line.170"></a> +<span class="sourceLineNo">171</span> value = null;<a name="line.171"></a> +<span class="sourceLineNo">172</span> }<a name="line.172"></a> +<span class="sourceLineNo">173</span> CellScanner cellBlockScanner;<a name="line.173"></a> +<span class="sourceLineNo">174</span> if (responseHeader.hasCellBlockMeta()) {<a name="line.174"></a> +<span class="sourceLineNo">175</span> int size = responseHeader.getCellBlockMeta().getLength();<a name="line.175"></a> +<span class="sourceLineNo">176</span> // Maybe we could read directly from the ByteBuf.<a name="line.176"></a> +<span class="sourceLineNo">177</span> // The problem here is that we do not know when to release it.<a name="line.177"></a> +<span class="sourceLineNo">178</span> byte[] cellBlock = new byte[size];<a name="line.178"></a> +<span class="sourceLineNo">179</span> buf.readBytes(cellBlock);<a name="line.179"></a> +<span class="sourceLineNo">180</span> cellBlockScanner = cellBlockBuilder.createCellScanner(this.codec, this.compressor, cellBlock);<a name="line.180"></a> +<span class="sourceLineNo">181</span> } else {<a name="line.181"></a> +<span class="sourceLineNo">182</span> cellBlockScanner = null;<a name="line.182"></a> +<span class="sourceLineNo">183</span> }<a name="line.183"></a> +<span class="sourceLineNo">184</span> call.setResponse(value, cellBlockScanner);<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> @Override<a name="line.187"></a> +<span class="sourceLineNo">188</span> public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {<a name="line.188"></a> +<span class="sourceLineNo">189</span> if (msg instanceof ByteBuf) {<a name="line.189"></a> +<span class="sourceLineNo">190</span> ByteBuf buf = (ByteBuf) msg;<a name="line.190"></a> +<span class="sourceLineNo">191</span> try {<a name="line.191"></a> +<span class="sourceLineNo">192</span> readResponse(ctx, buf);<a name="line.192"></a> +<span class="sourceLineNo">193</span> } finally {<a name="line.193"></a> +<span class="sourceLineNo">194</span> buf.release();<a name="line.194"></a> +<span class="sourceLineNo">195</span> }<a name="line.195"></a> +<span class="sourceLineNo">196</span> } else {<a name="line.196"></a> +<span class="sourceLineNo">197</span> super.channelRead(ctx, msg);<a name="line.197"></a> +<span class="sourceLineNo">198</span> }<a name="line.198"></a> +<span class="sourceLineNo">199</span> }<a name="line.199"></a> +<span class="sourceLineNo">200</span><a name="line.200"></a> +<span class="sourceLineNo">201</span> private void cleanupCalls(ChannelHandlerContext ctx, IOException error) {<a name="line.201"></a> +<span class="sourceLineNo">202</span> for (Call call : id2Call.values()) {<a name="line.202"></a> +<span class="sourceLineNo">203</span> call.setException(error);<a name="line.203"></a> +<span class="sourceLineNo">204</span> }<a name="line.204"></a> +<span class="sourceLineNo">205</span> id2Call.clear();<a name="line.205"></a> +<span class="sourceLineNo">206</span> }<a name="line.206"></a> +<span class="sourceLineNo">207</span><a name="line.207"></a> +<span class="sourceLineNo">208</span> @Override<a name="line.208"></a> +<span class="sourceLineNo">209</span> public void channelInactive(ChannelHandlerContext ctx) throws Exception {<a name="line.209"></a> +<span class="sourceLineNo">210</span> if (!id2Call.isEmpty()) {<a name="line.210"></a> +<span class="sourceLineNo">211</span> cleanupCalls(ctx, new ConnectionClosedException("Connection closed"));<a name="line.211"></a> +<span class="sourceLineNo">212</span> }<a name="line.212"></a> +<span class="sourceLineNo">213</span> conn.shutdown();<a name="line.213"></a> +<span class="sourceLineNo">214</span> ctx.fireChannelInactive();<a name="line.214"></a> +<span class="sourceLineNo">215</span> }<a name="line.215"></a> +<span class="sourceLineNo">216</span><a name="line.216"></a> +<span class="sourceLineNo">217</span> @Override<a name="line.217"></a> +<span class="sourceLineNo">218</span> public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {<a name="line.218"></a> +<span class="sourceLineNo">219</span> if (!id2Call.isEmpty()) {<a name="line.219"></a> +<span class="sourceLineNo">220</span> cleanupCalls(ctx, IPCUtil.toIOE(cause));<a name="line.220"></a> +<span class="sourceLineNo">221</span> }<a name="line.221"></a> +<span class="sourceLineNo">222</span> conn.shutdown();<a name="line.222"></a> +<span class="sourceLineNo">223</span> }<a name="line.223"></a> +<span class="sourceLineNo">224</span><a name="line.224"></a> +<span class="sourceLineNo">225</span> @Override<a name="line.225"></a> +<span class="sourceLineNo">226</span> public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {<a name="line.226"></a> +<span class="sourceLineNo">227</span> if (evt instanceof IdleStateEvent) {<a name="line.227"></a> +<span class="sourceLineNo">228</span> IdleStateEvent idleEvt = (IdleStateEvent) evt;<a name="line.228"></a> +<span class="sourceLineNo">229</span> switch (idleEvt.state()) {<a name="line.229"></a> +<span class="sourceLineNo">230</span> case WRITER_IDLE:<a name="line.230"></a> +<span class="sourceLineNo">231</span> if (id2Call.isEmpty()) {<a name="line.231"></a> +<span class="sourceLineNo">232</span> if (LOG.isTraceEnabled()) {<a name="line.232"></a> +<span class="sourceLineNo">233</span> LOG.trace("shutdown connection to " + conn.remoteId().address<a name="line.233"></a> +<span class="sourceLineNo">234</span> + " because idle for a long time");<a name="line.234"></a> +<span class="sourceLineNo">235</span> }<a name="line.235"></a> +<span class="sourceLineNo">236</span> // It may happen that there are still some pending calls in the event loop queue and<a name="line.236"></a> +<span class="sourceLineNo">237</span> // they will get a closed channel exception. But this is not a big deal as it rarely<a name="line.237"></a> +<span class="sourceLineNo">238</span> // rarely happens and the upper layer could retry immediately.<a name="line.238"></a> +<span class="sourceLineNo">239</span> conn.shutdown();<a name="line.239"></a> +<span class="sourceLineNo">240</span> }<a name="line.240"></a> +<span class="sourceLineNo">241</span> break;<a name="line.241"></a> +<span class="sourceLineNo">242</span> default:<a name="line.242"></a> +<span class="sourceLineNo">243</span> LOG.warn("Unrecognized idle state " + idleEvt.state());<a name="line.243"></a> +<span class="sourceLineNo">244</span> break;<a name="line.244"></a> +<span class="sourceLineNo">245</span> }<a name="line.245"></a> +<span class="sourceLineNo">246</span> } else if (evt instanceof CallEvent) {<a name="line.246"></a> +<span class="sourceLineNo">247</span> // just remove the call for now until we add other call event other than timeout and cancel.<a name="line.247"></a> +<span class="sourceLineNo">248</span> id2Call.remove(((CallEvent) evt).call.id);<a name="line.248"></a> +<span class="sourceLineNo">249</span> } else {<a name="line.249"></a> +<span class="sourceLineNo">250</span> ctx.fireUserEventTriggered(evt);<a name="line.250"></a> +<span class="sourceLineNo">251</span> }<a name="line.251"></a> +<span class="sourceLineNo">252</span> }<a name="line.252"></a> +<span class="sourceLineNo">253</span>}<a name="line.253"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/804782f0/devapidocs/src-html/org/apache/hadoop/hbase/master/ClusterSchemaServiceImpl.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/ClusterSchemaServiceImpl.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/ClusterSchemaServiceImpl.html index 922bd78..09e7d34 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/ClusterSchemaServiceImpl.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/ClusterSchemaServiceImpl.html @@ -89,8 +89,8 @@ <span class="sourceLineNo">081</span> return this.tableNamespaceManager;<a name="line.81"></a> <span class="sourceLineNo">082</span> }<a name="line.82"></a> <span class="sourceLineNo">083</span><a name="line.83"></a> -<span class="sourceLineNo">084</span> private long submitProcedure(final Procedure<?> procedure, final NonceKey nonceKey)<a name="line.84"></a> -<span class="sourceLineNo">085</span> throws ServiceNotRunningException {<a name="line.85"></a> +<span class="sourceLineNo">084</span> private long submitProcedure(final Procedure<MasterProcedureEnv> procedure,<a name="line.84"></a> +<span class="sourceLineNo">085</span> final NonceKey nonceKey) throws ServiceNotRunningException {<a name="line.85"></a> <span class="sourceLineNo">086</span> checkIsRunning();<a name="line.86"></a> <span class="sourceLineNo">087</span> ProcedureExecutor<MasterProcedureEnv> pe = this.masterServices.getMasterProcedureExecutor();<a name="line.87"></a> <span class="sourceLineNo">088</span> return pe.submitProcedure(procedure, nonceKey);<a name="line.88"></a>
