| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/services/tikv/backend.rs`."><title>backend.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../../static.files/rustdoc-916cea96.css"><meta name="rustdoc-vars" data-root-path="../../../../" data-static-root-path="../../../../static.files/" data-current-crate="opendal" data-themes="" data-resource-suffix="" data-rustdoc-version="1.87.0-nightly (43a2e9d2c 2025-03-17)" data-channel="nightly" data-search-js="search-e7298875.js" data-settings-js="settings-d72f25bb.js" ><script src="../../../../static.files/storage-d8ac8691.js"></script><script defer src="../../../../static.files/src-script-b8d3f215.js"></script><script defer src="../../../../src-files.js"></script><script defer src="../../../../static.files/main-fb8c74a8.js"></script><noscript><link rel="stylesheet" href="../../../../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">opendal/services/tikv/</div>backend.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="comment">// Licensed to the Apache Software Foundation (ASF) under one |
| <a href=#2 id=2 data-nosnippet>2</a>// or more contributor license agreements. See the NOTICE file |
| <a href=#3 id=3 data-nosnippet>3</a>// distributed with this work for additional information |
| <a href=#4 id=4 data-nosnippet>4</a>// regarding copyright ownership. The ASF licenses this file |
| <a href=#5 id=5 data-nosnippet>5</a>// to you under the Apache License, Version 2.0 (the |
| <a href=#6 id=6 data-nosnippet>6</a>// "License"); you may not use this file except in compliance |
| <a href=#7 id=7 data-nosnippet>7</a>// with the License. You may obtain a copy of the License at |
| <a href=#8 id=8 data-nosnippet>8</a>// |
| <a href=#9 id=9 data-nosnippet>9</a>// http://www.apache.org/licenses/LICENSE-2.0 |
| <a href=#10 id=10 data-nosnippet>10</a>// |
| <a href=#11 id=11 data-nosnippet>11</a>// Unless required by applicable law or agreed to in writing, |
| <a href=#12 id=12 data-nosnippet>12</a>// software distributed under the License is distributed on an |
| <a href=#13 id=13 data-nosnippet>13</a>// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| <a href=#14 id=14 data-nosnippet>14</a>// KIND, either express or implied. See the License for the |
| <a href=#15 id=15 data-nosnippet>15</a>// specific language governing permissions and limitations |
| <a href=#16 id=16 data-nosnippet>16</a>// under the License. |
| <a href=#17 id=17 data-nosnippet>17</a> |
| <a href=#18 id=18 data-nosnippet>18</a></span><span class="kw">use </span>std::fmt::Debug; |
| <a href=#19 id=19 data-nosnippet>19</a><span class="kw">use </span>std::fmt::Formatter; |
| <a href=#20 id=20 data-nosnippet>20</a> |
| <a href=#21 id=21 data-nosnippet>21</a><span class="kw">use </span>tikv_client::Config; |
| <a href=#22 id=22 data-nosnippet>22</a><span class="kw">use </span>tikv_client::RawClient; |
| <a href=#23 id=23 data-nosnippet>23</a><span class="kw">use </span>tokio::sync::OnceCell; |
| <a href=#24 id=24 data-nosnippet>24</a> |
| <a href=#25 id=25 data-nosnippet>25</a><span class="kw">use </span><span class="kw">crate</span>::raw::adapters::kv; |
| <a href=#26 id=26 data-nosnippet>26</a><span class="kw">use </span><span class="kw">crate</span>::raw::Access; |
| <a href=#27 id=27 data-nosnippet>27</a><span class="kw">use </span><span class="kw">crate</span>::services::TikvConfig; |
| <a href=#28 id=28 data-nosnippet>28</a><span class="kw">use </span><span class="kw">crate</span>::Builder; |
| <a href=#29 id=29 data-nosnippet>29</a><span class="kw">use </span><span class="kw">crate</span>::Capability; |
| <a href=#30 id=30 data-nosnippet>30</a><span class="kw">use </span><span class="kw">crate</span>::Error; |
| <a href=#31 id=31 data-nosnippet>31</a><span class="kw">use </span><span class="kw">crate</span>::ErrorKind; |
| <a href=#32 id=32 data-nosnippet>32</a><span class="kw">use </span><span class="kw">crate</span>::Scheme; |
| <a href=#33 id=33 data-nosnippet>33</a><span class="kw">use crate</span>::<span class="kw-2">*</span>; |
| <a href=#34 id=34 data-nosnippet>34</a> |
| <a href=#35 id=35 data-nosnippet>35</a><span class="kw">impl </span>Configurator <span class="kw">for </span>TikvConfig { |
| <a href=#36 id=36 data-nosnippet>36</a> <span class="kw">type </span>Builder = TikvBuilder; |
| <a href=#37 id=37 data-nosnippet>37</a> <span class="kw">fn </span>into_builder(<span class="self">self</span>) -> <span class="self">Self</span>::Builder { |
| <a href=#38 id=38 data-nosnippet>38</a> TikvBuilder { config: <span class="self">self </span>} |
| <a href=#39 id=39 data-nosnippet>39</a> } |
| <a href=#40 id=40 data-nosnippet>40</a>} |
| <a href=#41 id=41 data-nosnippet>41</a> |
| <a href=#42 id=42 data-nosnippet>42</a><span class="doccomment">/// TiKV backend builder |
| <a href=#43 id=43 data-nosnippet>43</a></span><span class="attr">#[doc = <span class="macro">include_str!</span>(<span class="string">"docs.md"</span>)] |
| <a href=#44 id=44 data-nosnippet>44</a>#[derive(Clone, Default)] |
| <a href=#45 id=45 data-nosnippet>45</a></span><span class="kw">pub struct </span>TikvBuilder { |
| <a href=#46 id=46 data-nosnippet>46</a> config: TikvConfig, |
| <a href=#47 id=47 data-nosnippet>47</a>} |
| <a href=#48 id=48 data-nosnippet>48</a> |
| <a href=#49 id=49 data-nosnippet>49</a><span class="kw">impl </span>Debug <span class="kw">for </span>TikvBuilder { |
| <a href=#50 id=50 data-nosnippet>50</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>Formatter<<span class="lifetime">'_</span>>) -> std::fmt::Result { |
| <a href=#51 id=51 data-nosnippet>51</a> <span class="kw">let </span><span class="kw-2">mut </span>d = f.debug_struct(<span class="string">"TikvBuilder"</span>); |
| <a href=#52 id=52 data-nosnippet>52</a> |
| <a href=#53 id=53 data-nosnippet>53</a> d.field(<span class="string">"config"</span>, <span class="kw-2">&</span><span class="self">self</span>.config); |
| <a href=#54 id=54 data-nosnippet>54</a> d.finish_non_exhaustive() |
| <a href=#55 id=55 data-nosnippet>55</a> } |
| <a href=#56 id=56 data-nosnippet>56</a>} |
| <a href=#57 id=57 data-nosnippet>57</a> |
| <a href=#58 id=58 data-nosnippet>58</a><span class="kw">impl </span>TikvBuilder { |
| <a href=#59 id=59 data-nosnippet>59</a> <span class="doccomment">/// Set the network address of the TiKV service. |
| <a href=#60 id=60 data-nosnippet>60</a> </span><span class="kw">pub fn </span>endpoints(<span class="kw-2">mut </span><span class="self">self</span>, endpoints: Vec<String>) -> <span class="self">Self </span>{ |
| <a href=#61 id=61 data-nosnippet>61</a> <span class="kw">if </span>!endpoints.is_empty() { |
| <a href=#62 id=62 data-nosnippet>62</a> <span class="self">self</span>.config.endpoints = <span class="prelude-val">Some</span>(endpoints) |
| <a href=#63 id=63 data-nosnippet>63</a> } |
| <a href=#64 id=64 data-nosnippet>64</a> <span class="self">self |
| <a href=#65 id=65 data-nosnippet>65</a> </span>} |
| <a href=#66 id=66 data-nosnippet>66</a> |
| <a href=#67 id=67 data-nosnippet>67</a> <span class="doccomment">/// Set the insecure connection to TiKV. |
| <a href=#68 id=68 data-nosnippet>68</a> </span><span class="kw">pub fn </span>insecure(<span class="kw-2">mut </span><span class="self">self</span>) -> <span class="self">Self </span>{ |
| <a href=#69 id=69 data-nosnippet>69</a> <span class="self">self</span>.config.insecure = <span class="bool-val">true</span>; |
| <a href=#70 id=70 data-nosnippet>70</a> <span class="self">self |
| <a href=#71 id=71 data-nosnippet>71</a> </span>} |
| <a href=#72 id=72 data-nosnippet>72</a> |
| <a href=#73 id=73 data-nosnippet>73</a> <span class="doccomment">/// Set the certificate authority file path. |
| <a href=#74 id=74 data-nosnippet>74</a> </span><span class="kw">pub fn </span>ca_path(<span class="kw-2">mut </span><span class="self">self</span>, ca_path: <span class="kw-2">&</span>str) -> <span class="self">Self </span>{ |
| <a href=#75 id=75 data-nosnippet>75</a> <span class="kw">if </span>!ca_path.is_empty() { |
| <a href=#76 id=76 data-nosnippet>76</a> <span class="self">self</span>.config.ca_path = <span class="prelude-val">Some</span>(ca_path.to_string()) |
| <a href=#77 id=77 data-nosnippet>77</a> } |
| <a href=#78 id=78 data-nosnippet>78</a> <span class="self">self |
| <a href=#79 id=79 data-nosnippet>79</a> </span>} |
| <a href=#80 id=80 data-nosnippet>80</a> |
| <a href=#81 id=81 data-nosnippet>81</a> <span class="doccomment">/// Set the certificate file path. |
| <a href=#82 id=82 data-nosnippet>82</a> </span><span class="kw">pub fn </span>cert_path(<span class="kw-2">mut </span><span class="self">self</span>, cert_path: <span class="kw-2">&</span>str) -> <span class="self">Self </span>{ |
| <a href=#83 id=83 data-nosnippet>83</a> <span class="kw">if </span>!cert_path.is_empty() { |
| <a href=#84 id=84 data-nosnippet>84</a> <span class="self">self</span>.config.cert_path = <span class="prelude-val">Some</span>(cert_path.to_string()) |
| <a href=#85 id=85 data-nosnippet>85</a> } |
| <a href=#86 id=86 data-nosnippet>86</a> <span class="self">self |
| <a href=#87 id=87 data-nosnippet>87</a> </span>} |
| <a href=#88 id=88 data-nosnippet>88</a> |
| <a href=#89 id=89 data-nosnippet>89</a> <span class="doccomment">/// Set the key file path. |
| <a href=#90 id=90 data-nosnippet>90</a> </span><span class="kw">pub fn </span>key_path(<span class="kw-2">mut </span><span class="self">self</span>, key_path: <span class="kw-2">&</span>str) -> <span class="self">Self </span>{ |
| <a href=#91 id=91 data-nosnippet>91</a> <span class="kw">if </span>!key_path.is_empty() { |
| <a href=#92 id=92 data-nosnippet>92</a> <span class="self">self</span>.config.key_path = <span class="prelude-val">Some</span>(key_path.to_string()) |
| <a href=#93 id=93 data-nosnippet>93</a> } |
| <a href=#94 id=94 data-nosnippet>94</a> <span class="self">self |
| <a href=#95 id=95 data-nosnippet>95</a> </span>} |
| <a href=#96 id=96 data-nosnippet>96</a>} |
| <a href=#97 id=97 data-nosnippet>97</a> |
| <a href=#98 id=98 data-nosnippet>98</a><span class="kw">impl </span>Builder <span class="kw">for </span>TikvBuilder { |
| <a href=#99 id=99 data-nosnippet>99</a> <span class="kw">const </span>SCHEME: Scheme = Scheme::Tikv; |
| <a href=#100 id=100 data-nosnippet>100</a> <span class="kw">type </span>Config = TikvConfig; |
| <a href=#101 id=101 data-nosnippet>101</a> |
| <a href=#102 id=102 data-nosnippet>102</a> <span class="kw">fn </span>build(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><<span class="kw">impl </span>Access> { |
| <a href=#103 id=103 data-nosnippet>103</a> <span class="kw">let </span>endpoints = <span class="self">self</span>.config.endpoints.ok_or_else(|| { |
| <a href=#104 id=104 data-nosnippet>104</a> Error::new( |
| <a href=#105 id=105 data-nosnippet>105</a> ErrorKind::ConfigInvalid, |
| <a href=#106 id=106 data-nosnippet>106</a> <span class="string">"endpoints is required but not set"</span>, |
| <a href=#107 id=107 data-nosnippet>107</a> ) |
| <a href=#108 id=108 data-nosnippet>108</a> .with_context(<span class="string">"service"</span>, Scheme::Tikv) |
| <a href=#109 id=109 data-nosnippet>109</a> })<span class="question-mark">?</span>; |
| <a href=#110 id=110 data-nosnippet>110</a> |
| <a href=#111 id=111 data-nosnippet>111</a> <span class="kw">if </span><span class="self">self</span>.config.insecure |
| <a href=#112 id=112 data-nosnippet>112</a> && (<span class="self">self</span>.config.ca_path.is_some() |
| <a href=#113 id=113 data-nosnippet>113</a> || <span class="self">self</span>.config.key_path.is_some() |
| <a href=#114 id=114 data-nosnippet>114</a> || <span class="self">self</span>.config.cert_path.is_some()) |
| <a href=#115 id=115 data-nosnippet>115</a> { |
| <a href=#116 id=116 data-nosnippet>116</a> <span class="kw">return </span><span class="prelude-val">Err</span>( |
| <a href=#117 id=117 data-nosnippet>117</a> Error::new(ErrorKind::ConfigInvalid, <span class="string">"invalid tls configuration"</span>) |
| <a href=#118 id=118 data-nosnippet>118</a> .with_context(<span class="string">"service"</span>, Scheme::Tikv) |
| <a href=#119 id=119 data-nosnippet>119</a> .with_context(<span class="string">"endpoints"</span>, <span class="macro">format!</span>(<span class="string">"{:?}"</span>, endpoints)), |
| <a href=#120 id=120 data-nosnippet>120</a> )<span class="question-mark">?</span>; |
| <a href=#121 id=121 data-nosnippet>121</a> } |
| <a href=#122 id=122 data-nosnippet>122</a> |
| <a href=#123 id=123 data-nosnippet>123</a> <span class="prelude-val">Ok</span>(TikvBackend::new(Adapter { |
| <a href=#124 id=124 data-nosnippet>124</a> client: OnceCell::new(), |
| <a href=#125 id=125 data-nosnippet>125</a> endpoints, |
| <a href=#126 id=126 data-nosnippet>126</a> insecure: <span class="self">self</span>.config.insecure, |
| <a href=#127 id=127 data-nosnippet>127</a> ca_path: <span class="self">self</span>.config.ca_path.clone(), |
| <a href=#128 id=128 data-nosnippet>128</a> cert_path: <span class="self">self</span>.config.cert_path.clone(), |
| <a href=#129 id=129 data-nosnippet>129</a> key_path: <span class="self">self</span>.config.key_path.clone(), |
| <a href=#130 id=130 data-nosnippet>130</a> })) |
| <a href=#131 id=131 data-nosnippet>131</a> } |
| <a href=#132 id=132 data-nosnippet>132</a>} |
| <a href=#133 id=133 data-nosnippet>133</a> |
| <a href=#134 id=134 data-nosnippet>134</a><span class="doccomment">/// Backend for TiKV service |
| <a href=#135 id=135 data-nosnippet>135</a></span><span class="kw">pub type </span>TikvBackend = kv::Backend<Adapter>; |
| <a href=#136 id=136 data-nosnippet>136</a> |
| <a href=#137 id=137 data-nosnippet>137</a><span class="attr">#[derive(Clone)] |
| <a href=#138 id=138 data-nosnippet>138</a></span><span class="kw">pub struct </span>Adapter { |
| <a href=#139 id=139 data-nosnippet>139</a> client: OnceCell<RawClient>, |
| <a href=#140 id=140 data-nosnippet>140</a> endpoints: Vec<String>, |
| <a href=#141 id=141 data-nosnippet>141</a> insecure: bool, |
| <a href=#142 id=142 data-nosnippet>142</a> ca_path: <span class="prelude-ty">Option</span><String>, |
| <a href=#143 id=143 data-nosnippet>143</a> cert_path: <span class="prelude-ty">Option</span><String>, |
| <a href=#144 id=144 data-nosnippet>144</a> key_path: <span class="prelude-ty">Option</span><String>, |
| <a href=#145 id=145 data-nosnippet>145</a>} |
| <a href=#146 id=146 data-nosnippet>146</a> |
| <a href=#147 id=147 data-nosnippet>147</a><span class="kw">impl </span>Debug <span class="kw">for </span>Adapter { |
| <a href=#148 id=148 data-nosnippet>148</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>Formatter<<span class="lifetime">'_</span>>) -> std::fmt::Result { |
| <a href=#149 id=149 data-nosnippet>149</a> <span class="kw">let </span><span class="kw-2">mut </span>ds = f.debug_struct(<span class="string">"Adapter"</span>); |
| <a href=#150 id=150 data-nosnippet>150</a> |
| <a href=#151 id=151 data-nosnippet>151</a> ds.field(<span class="string">"endpoints"</span>, <span class="kw-2">&</span><span class="self">self</span>.endpoints); |
| <a href=#152 id=152 data-nosnippet>152</a> ds.finish() |
| <a href=#153 id=153 data-nosnippet>153</a> } |
| <a href=#154 id=154 data-nosnippet>154</a>} |
| <a href=#155 id=155 data-nosnippet>155</a> |
| <a href=#156 id=156 data-nosnippet>156</a><span class="kw">impl </span>Adapter { |
| <a href=#157 id=157 data-nosnippet>157</a> <span class="kw">async fn </span>get_connection(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><RawClient> { |
| <a href=#158 id=158 data-nosnippet>158</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(client) = <span class="self">self</span>.client.get() { |
| <a href=#159 id=159 data-nosnippet>159</a> <span class="kw">return </span><span class="prelude-val">Ok</span>(client.clone()); |
| <a href=#160 id=160 data-nosnippet>160</a> } |
| <a href=#161 id=161 data-nosnippet>161</a> <span class="kw">let </span>client = <span class="kw">if </span><span class="self">self</span>.insecure { |
| <a href=#162 id=162 data-nosnippet>162</a> RawClient::new(<span class="self">self</span>.endpoints.clone()) |
| <a href=#163 id=163 data-nosnippet>163</a> .<span class="kw">await |
| <a href=#164 id=164 data-nosnippet>164</a> </span>.map_err(parse_tikv_config_error)<span class="question-mark">? |
| <a href=#165 id=165 data-nosnippet>165</a> </span>} <span class="kw">else if </span><span class="self">self</span>.ca_path.is_some() && <span class="self">self</span>.key_path.is_some() && <span class="self">self</span>.cert_path.is_some() { |
| <a href=#166 id=166 data-nosnippet>166</a> <span class="kw">let </span>(ca_path, key_path, cert_path) = ( |
| <a href=#167 id=167 data-nosnippet>167</a> <span class="self">self</span>.ca_path.clone().unwrap(), |
| <a href=#168 id=168 data-nosnippet>168</a> <span class="self">self</span>.key_path.clone().unwrap(), |
| <a href=#169 id=169 data-nosnippet>169</a> <span class="self">self</span>.cert_path.clone().unwrap(), |
| <a href=#170 id=170 data-nosnippet>170</a> ); |
| <a href=#171 id=171 data-nosnippet>171</a> <span class="kw">let </span>config = Config::default().with_security(ca_path, cert_path, key_path); |
| <a href=#172 id=172 data-nosnippet>172</a> RawClient::new_with_config(<span class="self">self</span>.endpoints.clone(), config) |
| <a href=#173 id=173 data-nosnippet>173</a> .<span class="kw">await |
| <a href=#174 id=174 data-nosnippet>174</a> </span>.map_err(parse_tikv_config_error)<span class="question-mark">? |
| <a href=#175 id=175 data-nosnippet>175</a> </span>} <span class="kw">else </span>{ |
| <a href=#176 id=176 data-nosnippet>176</a> <span class="kw">return </span><span class="prelude-val">Err</span>( |
| <a href=#177 id=177 data-nosnippet>177</a> Error::new(ErrorKind::ConfigInvalid, <span class="string">"invalid configuration"</span>) |
| <a href=#178 id=178 data-nosnippet>178</a> .with_context(<span class="string">"service"</span>, Scheme::Tikv) |
| <a href=#179 id=179 data-nosnippet>179</a> .with_context(<span class="string">"endpoints"</span>, <span class="macro">format!</span>(<span class="string">"{:?}"</span>, <span class="self">self</span>.endpoints)), |
| <a href=#180 id=180 data-nosnippet>180</a> ); |
| <a href=#181 id=181 data-nosnippet>181</a> }; |
| <a href=#182 id=182 data-nosnippet>182</a> <span class="self">self</span>.client.set(client.clone()).ok(); |
| <a href=#183 id=183 data-nosnippet>183</a> <span class="prelude-val">Ok</span>(client) |
| <a href=#184 id=184 data-nosnippet>184</a> } |
| <a href=#185 id=185 data-nosnippet>185</a>} |
| <a href=#186 id=186 data-nosnippet>186</a> |
| <a href=#187 id=187 data-nosnippet>187</a><span class="kw">impl </span>kv::Adapter <span class="kw">for </span>Adapter { |
| <a href=#188 id=188 data-nosnippet>188</a> <span class="kw">type </span>Scanner = (); |
| <a href=#189 id=189 data-nosnippet>189</a> |
| <a href=#190 id=190 data-nosnippet>190</a> <span class="kw">fn </span>info(<span class="kw-2">&</span><span class="self">self</span>) -> kv::Info { |
| <a href=#191 id=191 data-nosnippet>191</a> kv::Info::new( |
| <a href=#192 id=192 data-nosnippet>192</a> Scheme::Tikv, |
| <a href=#193 id=193 data-nosnippet>193</a> <span class="string">"TiKV"</span>, |
| <a href=#194 id=194 data-nosnippet>194</a> Capability { |
| <a href=#195 id=195 data-nosnippet>195</a> read: <span class="bool-val">true</span>, |
| <a href=#196 id=196 data-nosnippet>196</a> write: <span class="bool-val">true</span>, |
| <a href=#197 id=197 data-nosnippet>197</a> blocking: <span class="bool-val">false</span>, |
| <a href=#198 id=198 data-nosnippet>198</a> shared: <span class="bool-val">true</span>, |
| <a href=#199 id=199 data-nosnippet>199</a> ..Default::default() |
| <a href=#200 id=200 data-nosnippet>200</a> }, |
| <a href=#201 id=201 data-nosnippet>201</a> ) |
| <a href=#202 id=202 data-nosnippet>202</a> } |
| <a href=#203 id=203 data-nosnippet>203</a> |
| <a href=#204 id=204 data-nosnippet>204</a> <span class="kw">async fn </span>get(<span class="kw-2">&</span><span class="self">self</span>, path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><<span class="prelude-ty">Option</span><Buffer>> { |
| <a href=#205 id=205 data-nosnippet>205</a> <span class="kw">let </span>result = <span class="self">self |
| <a href=#206 id=206 data-nosnippet>206</a> </span>.get_connection() |
| <a href=#207 id=207 data-nosnippet>207</a> .<span class="kw">await</span><span class="question-mark">? |
| <a href=#208 id=208 data-nosnippet>208</a> </span>.get(path.to_owned()) |
| <a href=#209 id=209 data-nosnippet>209</a> .<span class="kw">await |
| <a href=#210 id=210 data-nosnippet>210</a> </span>.map_err(parse_tikv_error)<span class="question-mark">?</span>; |
| <a href=#211 id=211 data-nosnippet>211</a> <span class="prelude-val">Ok</span>(result.map(Buffer::from)) |
| <a href=#212 id=212 data-nosnippet>212</a> } |
| <a href=#213 id=213 data-nosnippet>213</a> |
| <a href=#214 id=214 data-nosnippet>214</a> <span class="kw">async fn </span>set(<span class="kw-2">&</span><span class="self">self</span>, path: <span class="kw-2">&</span>str, value: Buffer) -> <span class="prelude-ty">Result</span><()> { |
| <a href=#215 id=215 data-nosnippet>215</a> <span class="self">self</span>.get_connection() |
| <a href=#216 id=216 data-nosnippet>216</a> .<span class="kw">await</span><span class="question-mark">? |
| <a href=#217 id=217 data-nosnippet>217</a> </span>.put(path.to_owned(), value.to_vec()) |
| <a href=#218 id=218 data-nosnippet>218</a> .<span class="kw">await |
| <a href=#219 id=219 data-nosnippet>219</a> </span>.map_err(parse_tikv_error) |
| <a href=#220 id=220 data-nosnippet>220</a> } |
| <a href=#221 id=221 data-nosnippet>221</a> |
| <a href=#222 id=222 data-nosnippet>222</a> <span class="kw">async fn </span>delete(<span class="kw-2">&</span><span class="self">self</span>, path: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><()> { |
| <a href=#223 id=223 data-nosnippet>223</a> <span class="self">self</span>.get_connection() |
| <a href=#224 id=224 data-nosnippet>224</a> .<span class="kw">await</span><span class="question-mark">? |
| <a href=#225 id=225 data-nosnippet>225</a> </span>.delete(path.to_owned()) |
| <a href=#226 id=226 data-nosnippet>226</a> .<span class="kw">await |
| <a href=#227 id=227 data-nosnippet>227</a> </span>.map_err(parse_tikv_error) |
| <a href=#228 id=228 data-nosnippet>228</a> } |
| <a href=#229 id=229 data-nosnippet>229</a>} |
| <a href=#230 id=230 data-nosnippet>230</a> |
| <a href=#231 id=231 data-nosnippet>231</a><span class="kw">fn </span>parse_tikv_error(e: tikv_client::Error) -> Error { |
| <a href=#232 id=232 data-nosnippet>232</a> Error::new(ErrorKind::Unexpected, <span class="string">"error from tikv"</span>).set_source(e) |
| <a href=#233 id=233 data-nosnippet>233</a>} |
| <a href=#234 id=234 data-nosnippet>234</a> |
| <a href=#235 id=235 data-nosnippet>235</a><span class="kw">fn </span>parse_tikv_config_error(e: tikv_client::Error) -> Error { |
| <a href=#236 id=236 data-nosnippet>236</a> Error::new(ErrorKind::ConfigInvalid, <span class="string">"invalid configuration"</span>) |
| <a href=#237 id=237 data-nosnippet>237</a> .with_context(<span class="string">"service"</span>, Scheme::Tikv) |
| <a href=#238 id=238 data-nosnippet>238</a> .set_source(e) |
| <a href=#239 id=239 data-nosnippet>239</a>}</code></pre></div></section></main></body></html> |
