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    <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav>  <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>IoTDB用户手册 (V0.12.x)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>IoTDB简介</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>快速上手</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据模式与概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>SQL命令行终端(CLI)</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>权限管理</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>IoTDB-SQL 语言</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>应用编程接口</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>用户定义函数(UDF)</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>通信服务协议</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/V0.12.x/Communication-Service-Protocol/Programming-Thrift.html" aria-current="page" class="active sidebar-link">Thrift</a></li><li><a href="/zh/UserGuide/V0.12.x/Communication-Service-Protocol/Programming-MQTT.html" class="sidebar-link">MQTT</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统工具</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>端云协同</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统集成</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>集群搭建</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>常见问题</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>附录</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="通信服务协议"><a href="#通信服务协议" class="header-anchor">#</a> 通信服务协议</h1> <h2 id="thrift-rpc-接口"><a href="#thrift-rpc-接口" class="header-anchor">#</a> Thrift rpc 接口</h2> <h3 id="简介"><a href="#简介" class="header-anchor">#</a> 简介</h3> <p>Thrift是一个远程方法调用软件框架，用来进行可扩展且跨语言的服务的开发。
它结合了功能强大的软件堆栈和代码生成引擎，
以构建在 C++, Java, Go,Python, PHP, Ruby, Erlang, Perl, Haskell, C#, Cocoa, JavaScript, Node.js, Smalltalk, and OCaml 这些编程语言间无缝结合的、高效的服务。</p> <p>IoTDB服务端和客户端之间使用thrift进行通信，实际使用中建议使用IoTDB提供的原生客户端封装:
Session或Session Pool。如有特殊需要，您也可以直接针对RPC接口进行编程</p> <p>默认IoTDB服务端使用6667端口作为RPC通信端口，可修改配置项中的</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>rpc_port=6667
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>更改默认接口</p> <h3 id="rpc接口"><a href="#rpc接口" class="header-anchor">#</a> rpc接口</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>// 打开一个 session
TSOpenSessionResp openSession(1:TSOpenSessionReq req);

// 关闭一个 session
TSStatus closeSession(1:TSCloseSessionReq req);

// 执行一条 SQL 语句
TSExecuteStatementResp executeStatement(1:TSExecuteStatementReq req);

// 批量执行 SQL 语句
TSStatus executeBatchStatement(1:TSExecuteBatchStatementReq req);

// 执行查询 SQL 语句
TSExecuteStatementResp executeQueryStatement(1:TSExecuteStatementReq req);

// 执行插入、删除 SQL 语句
TSExecuteStatementResp executeUpdateStatement(1:TSExecuteStatementReq req);

// 向服务器取下一批查询结果
TSFetchResultsResp fetchResults(1:TSFetchResultsReq req)

// 获取元数据
TSFetchMetadataResp fetchMetadata(1:TSFetchMetadataReq req)

// 取消某次查询操作
TSStatus cancelOperation(1:TSCancelOperationReq req);

// 关闭查询操作数据集，释放资源
TSStatus closeOperation(1:TSCloseOperationReq req);

// 获取时区信息
TSGetTimeZoneResp getTimeZone(1:i64 sessionId);

// 设置时区
TSStatus setTimeZone(1:TSSetTimeZoneReq req);

// 获取服务端配置
ServerProperties getProperties();

// 设置存储组
TSStatus setStorageGroup(1:i64 sessionId, 2:string storageGroup);

// 创建时间序列
TSStatus createTimeseries(1:TSCreateTimeseriesReq req);

// 创建多条时间序列
TSStatus createMultiTimeseries(1:TSCreateMultiTimeseriesReq req);

// 删除时间序列
TSStatus deleteTimeseries(1:i64 sessionId, 2:list&lt;string&gt; path)

// 删除存储组
TSStatus deleteStorageGroups(1:i64 sessionId, 2:list&lt;string&gt; storageGroup);

// 按行插入数据
TSStatus insertRecord(1:TSInsertRecordReq req);

// 按String格式插入一条数据
TSStatus insertStringRecord(1:TSInsertStringRecordReq req);

// 按列插入数据
TSStatus insertTablet(1:TSInsertTabletReq req);

// 按列批量插入数据
TSStatus insertTablets(1:TSInsertTabletsReq req);

// 按行批量插入数据
TSStatus insertRecords(1:TSInsertRecordsReq req);

// 按行批量插入同属于某个设备的数据
TSStatus insertRecordsOfOneDevice(1:TSInsertRecordsOfOneDeviceReq req);

// 按String格式批量按行插入数据
TSStatus insertStringRecords(1:TSInsertStringRecordsReq req);

// 测试按列插入数据的延迟，注意：该接口不真实插入数据，只用来测试网络延迟
TSStatus testInsertTablet(1:TSInsertTabletReq req);

// 测试批量按列插入数据的延迟，注意：该接口不真实插入数据，只用来测试网络延迟
TSStatus testInsertTablets(1:TSInsertTabletsReq req);

// 测试按行插入数据的延迟，注意：该接口不真实插入数据，只用来测试网络延迟
TSStatus testInsertRecord(1:TSInsertRecordReq req);

// 测试按String格式按行插入数据的延迟，注意：该接口不真实插入数据，只用来测试网络延迟
TSStatus testInsertStringRecord(1:TSInsertStringRecordReq req);

// 测试按行插入数据的延迟，注意：该接口不真实插入数据，只用来测试网络延迟
TSStatus testInsertRecords(1:TSInsertRecordsReq req);

// 测试按行批量插入同属于某个设备的数据的延迟，注意：该接口不真实插入数据，只用来测试网络延迟
TSStatus testInsertRecordsOfOneDevice(1:TSInsertRecordsOfOneDeviceReq req);

// 测试按String格式批量按行插入数据的延迟，注意：该接口不真实插入数据，只用来测试网络延迟
TSStatus testInsertStringRecords(1:TSInsertStringRecordsReq req);

// 删除数据
TSStatus deleteData(1:TSDeleteDataReq req);

// 执行原始数据查询
TSExecuteStatementResp executeRawDataQuery(1:TSRawDataQueryReq req);

// 向服务器申请一个查询语句ID
i64 requestStatementId(1:i64 sessionId);
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br><span class="line-number">47</span><br><span class="line-number">48</span><br><span class="line-number">49</span><br><span class="line-number">50</span><br><span class="line-number">51</span><br><span class="line-number">52</span><br><span class="line-number">53</span><br><span class="line-number">54</span><br><span class="line-number">55</span><br><span class="line-number">56</span><br><span class="line-number">57</span><br><span class="line-number">58</span><br><span class="line-number">59</span><br><span class="line-number">60</span><br><span class="line-number">61</span><br><span class="line-number">62</span><br><span class="line-number">63</span><br><span class="line-number">64</span><br><span class="line-number">65</span><br><span class="line-number">66</span><br><span class="line-number">67</span><br><span class="line-number">68</span><br><span class="line-number">69</span><br><span class="line-number">70</span><br><span class="line-number">71</span><br><span class="line-number">72</span><br><span class="line-number">73</span><br><span class="line-number">74</span><br><span class="line-number">75</span><br><span class="line-number">76</span><br><span class="line-number">77</span><br><span class="line-number">78</span><br><span class="line-number">79</span><br><span class="line-number">80</span><br><span class="line-number">81</span><br><span class="line-number">82</span><br><span class="line-number">83</span><br><span class="line-number">84</span><br><span class="line-number">85</span><br><span class="line-number">86</span><br><span class="line-number">87</span><br><span class="line-number">88</span><br><span class="line-number">89</span><br><span class="line-number">90</span><br><span class="line-number">91</span><br><span class="line-number">92</span><br><span class="line-number">93</span><br><span class="line-number">94</span><br><span class="line-number">95</span><br><span class="line-number">96</span><br><span class="line-number">97</span><br><span class="line-number">98</span><br><span class="line-number">99</span><br><span class="line-number">100</span><br><span class="line-number">101</span><br><span class="line-number">102</span><br><span class="line-number">103</span><br><span class="line-number">104</span><br></div></div><h3 id="idl定义文件位置"><a href="#idl定义文件位置" class="header-anchor">#</a> IDL定义文件位置</h3> <p>IDL定义文件的路径是thrift/src/main/thrift/rpc.thrift，其中包括了结构体定义与函数定义、</p> <h3 id="生成文件位置"><a href="#生成文件位置" class="header-anchor">#</a> 生成文件位置</h3> <p>在mvn编译过程中，会调用thrift编译IDL文件，生成最终的.class文件
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