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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.client;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.apache.hadoop.hbase.client.ConnectionUtils.setCoprocessorError;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.util.FutureUtils.addListener;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import io.opentelemetry.context.Context;</span> |
| <span class="source-line-no">024</span><span id="line-24">import io.opentelemetry.context.Scope;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.io.IOException;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.concurrent.CompletableFuture;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.DoNotRetryIOException;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HRegionLocation;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.ipc.HBaseRpcController;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hbase.thirdparty.com.google.protobuf.Message;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hbase.thirdparty.com.google.protobuf.RpcCallback;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hbase.thirdparty.com.google.protobuf.RpcChannel;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;</span> |
| <span class="source-line-no">041</span><span id="line-41"></span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ClientService;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.CoprocessorServiceRequest;</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45">/**</span> |
| <span class="source-line-no">046</span><span id="line-46"> * The implementation of a region based coprocessor rpc channel.</span> |
| <span class="source-line-no">047</span><span id="line-47"> */</span> |
| <span class="source-line-no">048</span><span id="line-48">@InterfaceAudience.Private</span> |
| <span class="source-line-no">049</span><span id="line-49">class RegionCoprocessorRpcChannelImpl implements RpcChannel {</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> private final AsyncConnectionImpl conn;</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53"> private final TableName tableName;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> private final RegionInfo region;</span> |
| <span class="source-line-no">056</span><span id="line-56"></span> |
| <span class="source-line-no">057</span><span id="line-57"> private final byte[] row;</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> private final long rpcTimeoutNs;</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> private final long operationTimeoutNs;</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> private byte[] lastRegion;</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> RegionCoprocessorRpcChannelImpl(AsyncConnectionImpl conn, TableName tableName, RegionInfo region,</span> |
| <span class="source-line-no">066</span><span id="line-66"> byte[] row, long rpcTimeoutNs, long operationTimeoutNs) {</span> |
| <span class="source-line-no">067</span><span id="line-67"> this.conn = conn;</span> |
| <span class="source-line-no">068</span><span id="line-68"> this.tableName = tableName;</span> |
| <span class="source-line-no">069</span><span id="line-69"> this.region = region;</span> |
| <span class="source-line-no">070</span><span id="line-70"> this.row = row;</span> |
| <span class="source-line-no">071</span><span id="line-71"> this.rpcTimeoutNs = rpcTimeoutNs;</span> |
| <span class="source-line-no">072</span><span id="line-72"> this.operationTimeoutNs = operationTimeoutNs;</span> |
| <span class="source-line-no">073</span><span id="line-73"> }</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> private CompletableFuture<Message> rpcCall(MethodDescriptor method, Message request,</span> |
| <span class="source-line-no">076</span><span id="line-76"> Message responsePrototype, HBaseRpcController controller, HRegionLocation loc,</span> |
| <span class="source-line-no">077</span><span id="line-77"> ClientService.Interface stub) {</span> |
| <span class="source-line-no">078</span><span id="line-78"> final Context context = Context.current();</span> |
| <span class="source-line-no">079</span><span id="line-79"> CompletableFuture<Message> future = new CompletableFuture<>();</span> |
| <span class="source-line-no">080</span><span id="line-80"> if (region != null && !Bytes.equals(loc.getRegion().getRegionName(), region.getRegionName())) {</span> |
| <span class="source-line-no">081</span><span id="line-81"> future.completeExceptionally(new DoNotRetryIOException("Region name is changed, expected "</span> |
| <span class="source-line-no">082</span><span id="line-82"> + region.getRegionNameAsString() + ", actual " + loc.getRegion().getRegionNameAsString()));</span> |
| <span class="source-line-no">083</span><span id="line-83"> return future;</span> |
| <span class="source-line-no">084</span><span id="line-84"> }</span> |
| <span class="source-line-no">085</span><span id="line-85"> CoprocessorServiceRequest csr = CoprocessorRpcUtils.getCoprocessorServiceRequest(method,</span> |
| <span class="source-line-no">086</span><span id="line-86"> request, row, loc.getRegion().getRegionName());</span> |
| <span class="source-line-no">087</span><span id="line-87"> stub.execService(controller, csr, resp -> {</span> |
| <span class="source-line-no">088</span><span id="line-88"> try (Scope ignored = context.makeCurrent()) {</span> |
| <span class="source-line-no">089</span><span id="line-89"> if (controller.failed()) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> future.completeExceptionally(controller.getFailed());</span> |
| <span class="source-line-no">091</span><span id="line-91"> } else {</span> |
| <span class="source-line-no">092</span><span id="line-92"> lastRegion = resp.getRegion().getValue().toByteArray();</span> |
| <span class="source-line-no">093</span><span id="line-93"> try {</span> |
| <span class="source-line-no">094</span><span id="line-94"> future.complete(CoprocessorRpcUtils.getResponse(resp, responsePrototype));</span> |
| <span class="source-line-no">095</span><span id="line-95"> } catch (IOException e) {</span> |
| <span class="source-line-no">096</span><span id="line-96"> future.completeExceptionally(e);</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"> });</span> |
| <span class="source-line-no">101</span><span id="line-101"> return future;</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> @Override</span> |
| <span class="source-line-no">105</span><span id="line-105"> public void callMethod(MethodDescriptor method, RpcController controller, Message request,</span> |
| <span class="source-line-no">106</span><span id="line-106"> Message responsePrototype, RpcCallback<Message> done) {</span> |
| <span class="source-line-no">107</span><span id="line-107"> final Context context = Context.current();</span> |
| <span class="source-line-no">108</span><span id="line-108"> addListener(conn.callerFactory.<Message> single().table(tableName).row(row)</span> |
| <span class="source-line-no">109</span><span id="line-109"> .locateType(RegionLocateType.CURRENT).rpcTimeout(rpcTimeoutNs, TimeUnit.NANOSECONDS)</span> |
| <span class="source-line-no">110</span><span id="line-110"> .operationTimeout(operationTimeoutNs, TimeUnit.NANOSECONDS).action((c, l, s) -> {</span> |
| <span class="source-line-no">111</span><span id="line-111"> try (Scope ignored = context.makeCurrent()) {</span> |
| <span class="source-line-no">112</span><span id="line-112"> return rpcCall(method, request, responsePrototype, c, l, s);</span> |
| <span class="source-line-no">113</span><span id="line-113"> }</span> |
| <span class="source-line-no">114</span><span id="line-114"> }).call(), (r, e) -> {</span> |
| <span class="source-line-no">115</span><span id="line-115"> try (Scope ignored = context.makeCurrent()) {</span> |
| <span class="source-line-no">116</span><span id="line-116"> if (e != null) {</span> |
| <span class="source-line-no">117</span><span id="line-117"> setCoprocessorError(controller, e);</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"> done.run(r);</span> |
| <span class="source-line-no">120</span><span id="line-120"> }</span> |
| <span class="source-line-no">121</span><span id="line-121"> });</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"></span> |
| <span class="source-line-no">124</span><span id="line-124"> public byte[] getLastRegion() {</span> |
| <span class="source-line-no">125</span><span id="line-125"> return lastRegion;</span> |
| <span class="source-line-no">126</span><span id="line-126"> }</span> |
| <span class="source-line-no">127</span><span id="line-127">}</span> |
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| </pre> |
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