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<!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/servers/src/http/opentsdb.rs`."><title>opentsdb.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"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-e56847b5.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="servers" data-themes="" data-resource-suffix="" data-rustdoc-version="1.92.0-nightly (fa3155a64 2025-09-30)" data-channel="nightly" data-search-js="search-e256b49e.js" data-stringdex-js="stringdex-828709d0.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-ce535bd0.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.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" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">servers/http/</div>opentsdb.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">// Copyright 2023 Greptime Team
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<a href=#2 id=2 data-nosnippet>2</a>//
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<a href=#3 id=3 data-nosnippet>3</a>// Licensed under the Apache License, Version 2.0 (the "License");
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<a href=#4 id=4 data-nosnippet>4</a>// you may not use this file except in compliance with the License.
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<a href=#5 id=5 data-nosnippet>5</a>// You may obtain a copy of the License at
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<a href=#6 id=6 data-nosnippet>6</a>//
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<a href=#7 id=7 data-nosnippet>7</a>// http://www.apache.org/licenses/LICENSE-2.0
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<a href=#8 id=8 data-nosnippet>8</a>//
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<a href=#9 id=9 data-nosnippet>9</a>// Unless required by applicable law or agreed to in writing, software
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<a href=#10 id=10 data-nosnippet>10</a>// distributed under the License is distributed on an "AS IS" BASIS,
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<a href=#11 id=11 data-nosnippet>11</a>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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<a href=#12 id=12 data-nosnippet>12</a>// See the License for the specific language governing permissions and
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<a href=#13 id=13 data-nosnippet>13</a>// limitations under the License.
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<a href=#14 id=14 data-nosnippet>14</a>
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<a href=#15 id=15 data-nosnippet>15</a></span><span class="kw">use </span>std::collections::HashMap;
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<a href=#16 id=16 data-nosnippet>16</a><span class="kw">use </span>std::sync::Arc;
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<a href=#17 id=17 data-nosnippet>17</a>
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<a href=#18 id=18 data-nosnippet>18</a><span class="kw">use </span>axum::body::Bytes;
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<a href=#19 id=19 data-nosnippet>19</a><span class="kw">use </span>axum::extract::{Query, State};
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<a href=#20 id=20 data-nosnippet>20</a><span class="kw">use </span>axum::http::StatusCode <span class="kw">as </span>HttpStatusCode;
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<a href=#21 id=21 data-nosnippet>21</a><span class="kw">use </span>axum::{Extension, Json};
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<a href=#22 id=22 data-nosnippet>22</a><span class="kw">use </span>common_error::ext::ErrorExt;
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<a href=#23 id=23 data-nosnippet>23</a><span class="kw">use </span>serde::{Deserialize, Serialize};
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<a href=#24 id=24 data-nosnippet>24</a><span class="kw">use </span>session::context::{Channel, QueryContext};
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<a href=#25 id=25 data-nosnippet>25</a><span class="kw">use </span>snafu::ResultExt;
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<a href=#26 id=26 data-nosnippet>26</a>
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<a href=#27 id=27 data-nosnippet>27</a><span class="kw">use </span><span class="kw">crate</span>::error::{<span class="self">self</span>, <span class="prelude-ty">Result</span>};
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<a href=#28 id=28 data-nosnippet>28</a><span class="kw">use </span><span class="kw">crate</span>::opentsdb::codec::DataPoint;
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<a href=#29 id=29 data-nosnippet>29</a><span class="kw">use </span><span class="kw">crate</span>::query_handler::OpentsdbProtocolHandlerRef;
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<a href=#30 id=30 data-nosnippet>30</a>
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<a href=#31 id=31 data-nosnippet>31</a><span class="attr">#[derive(Serialize, Deserialize)]
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<a href=#32 id=32 data-nosnippet>32</a>#[serde(untagged)]
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<a href=#33 id=33 data-nosnippet>33</a></span><span class="kw">enum </span>OneOrMany<T> {
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<a href=#34 id=34 data-nosnippet>34</a> One(T),
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<a href=#35 id=35 data-nosnippet>35</a> Vec(Vec<T>),
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<a href=#36 id=36 data-nosnippet>36</a>}
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<a href=#37 id=37 data-nosnippet>37</a>
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<a href=#38 id=38 data-nosnippet>38</a><span class="kw">impl</span><T> From<OneOrMany<T>> <span class="kw">for </span>Vec<T> {
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<a href=#39 id=39 data-nosnippet>39</a> <span class="kw">fn </span>from(from: OneOrMany<T>) -> <span class="self">Self </span>{
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<a href=#40 id=40 data-nosnippet>40</a> <span class="kw">match </span>from {
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<a href=#41 id=41 data-nosnippet>41</a> OneOrMany::One(val) => <span class="macro">vec!</span>[val],
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<a href=#42 id=42 data-nosnippet>42</a> OneOrMany::Vec(vec) => vec,
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<a href=#43 id=43 data-nosnippet>43</a> }
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<a href=#44 id=44 data-nosnippet>44</a> }
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<a href=#45 id=45 data-nosnippet>45</a>}
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<a href=#46 id=46 data-nosnippet>46</a>
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<a href=#47 id=47 data-nosnippet>47</a><span class="attr">#[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
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<a href=#48 id=48 data-nosnippet>48</a></span><span class="kw">pub struct </span>DataPointRequest {
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<a href=#49 id=49 data-nosnippet>49</a> metric: String,
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<a href=#50 id=50 data-nosnippet>50</a> timestamp: i64,
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<a href=#51 id=51 data-nosnippet>51</a> value: f64,
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<a href=#52 id=52 data-nosnippet>52</a> tags: HashMap<String, String>,
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<a href=#53 id=53 data-nosnippet>53</a>}
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<a href=#54 id=54 data-nosnippet>54</a>
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<a href=#55 id=55 data-nosnippet>55</a><span class="kw">impl </span>From<DataPointRequest> <span class="kw">for </span>DataPoint {
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<a href=#56 id=56 data-nosnippet>56</a> <span class="kw">fn </span>from(request: DataPointRequest) -> <span class="self">Self </span>{
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<a href=#57 id=57 data-nosnippet>57</a> <span class="kw">let </span>ts_millis = DataPoint::timestamp_to_millis(request.timestamp);
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<a href=#58 id=58 data-nosnippet>58</a>
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<a href=#59 id=59 data-nosnippet>59</a> <span class="kw">let </span>tags = request.tags.into_iter().collect::<Vec<(String, String)>>();
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<a href=#60 id=60 data-nosnippet>60</a>
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<a href=#61 id=61 data-nosnippet>61</a> DataPoint::new(request.metric, ts_millis, request.value, tags)
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<a href=#62 id=62 data-nosnippet>62</a> }
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<a href=#63 id=63 data-nosnippet>63</a>}
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<a href=#64 id=64 data-nosnippet>64</a>
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<a href=#65 id=65 data-nosnippet>65</a><span class="attr">#[derive(Serialize, Deserialize, Debug)]
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<a href=#66 id=66 data-nosnippet>66</a>#[serde(untagged)]
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<a href=#67 id=67 data-nosnippet>67</a></span><span class="kw">pub enum </span>OpentsdbPutResponse {
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<a href=#68 id=68 data-nosnippet>68</a> Empty,
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<a href=#69 id=69 data-nosnippet>69</a> Debug(OpentsdbDebuggingResponse),
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<a href=#70 id=70 data-nosnippet>70</a>}
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<a href=#71 id=71 data-nosnippet>71</a>
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<a href=#72 id=72 data-nosnippet>72</a><span class="comment">// Please refer to the OpenTSDB documents of ["api/put"](http://opentsdb.net/docs/build/html/api_http/put.html)
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<a href=#73 id=73 data-nosnippet>73</a>// for more details.
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<a href=#74 id=74 data-nosnippet>74</a></span><span class="attr">#[axum_macros::debug_handler]
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<a href=#75 id=75 data-nosnippet>75</a></span><span class="kw">pub async fn </span>put(
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<a href=#76 id=76 data-nosnippet>76</a> State(opentsdb_handler): State<OpentsdbProtocolHandlerRef>,
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<a href=#77 id=77 data-nosnippet>77</a> Query(params): Query<HashMap<String, String>>,
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<a href=#78 id=78 data-nosnippet>78</a> Extension(<span class="kw-2">mut </span>ctx): Extension<QueryContext>,
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<a href=#79 id=79 data-nosnippet>79</a> body: Bytes,
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<a href=#80 id=80 data-nosnippet>80</a>) -> <span class="prelude-ty">Result</span><(HttpStatusCode, Json<OpentsdbPutResponse>)> {
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<a href=#81 id=81 data-nosnippet>81</a> <span class="kw">let </span>summary = params.contains_key(<span class="string">"summary"</span>);
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<a href=#82 id=82 data-nosnippet>82</a> <span class="kw">let </span>details = params.contains_key(<span class="string">"details"</span>);
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<a href=#83 id=83 data-nosnippet>83</a>
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<a href=#84 id=84 data-nosnippet>84</a> <span class="kw">let </span>data_point_requests = parse_data_points(body).<span class="kw">await</span><span class="question-mark">?</span>;
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<a href=#85 id=85 data-nosnippet>85</a> <span class="kw">let </span>data_points = data_point_requests
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<a href=#86 id=86 data-nosnippet>86</a> .iter()
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<a href=#87 id=87 data-nosnippet>87</a> .map(|point| point.clone().into())
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<a href=#88 id=88 data-nosnippet>88</a> .collect::<Vec<<span class="kw">_</span>>>();
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<a href=#89 id=89 data-nosnippet>89</a>
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<a href=#90 id=90 data-nosnippet>90</a> ctx.set_channel(Channel::Opentsdb);
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<a href=#91 id=91 data-nosnippet>91</a> <span class="kw">let </span>ctx = Arc::new(ctx);
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<a href=#92 id=92 data-nosnippet>92</a>
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<a href=#93 id=93 data-nosnippet>93</a> <span class="kw">let </span>response = <span class="kw">if </span>!summary && !details {
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<a href=#94 id=94 data-nosnippet>94</a> <span class="kw">if let </span><span class="prelude-val">Err</span>(e) = opentsdb_handler.exec(data_points, ctx.clone()).<span class="kw">await </span>{
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<a href=#95 id=95 data-nosnippet>95</a> <span class="comment">// Not debugging purpose, failed fast.
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<a href=#96 id=96 data-nosnippet>96</a> </span><span class="kw">return </span>error::InternalSnafu {
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<a href=#97 id=97 data-nosnippet>97</a> err_msg: e.to_string(),
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<a href=#98 id=98 data-nosnippet>98</a> }
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<a href=#99 id=99 data-nosnippet>99</a> .fail();
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<a href=#100 id=100 data-nosnippet>100</a> }
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<a href=#101 id=101 data-nosnippet>101</a> (HttpStatusCode::NO_CONTENT, Json(OpentsdbPutResponse::Empty))
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<a href=#102 id=102 data-nosnippet>102</a> } <span class="kw">else </span>{
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<a href=#103 id=103 data-nosnippet>103</a> <span class="kw">let </span><span class="kw-2">mut </span>response = OpentsdbDebuggingResponse {
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<a href=#104 id=104 data-nosnippet>104</a> success: <span class="number">0</span>,
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<a href=#105 id=105 data-nosnippet>105</a> failed: <span class="number">0</span>,
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<a href=#106 id=106 data-nosnippet>106</a> errors: <span class="kw">if </span>details {
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<a href=#107 id=107 data-nosnippet>107</a> <span class="prelude-val">Some</span>(Vec::with_capacity(data_points.len()))
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<a href=#108 id=108 data-nosnippet>108</a> } <span class="kw">else </span>{
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<a href=#109 id=109 data-nosnippet>109</a> <span class="prelude-val">None
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<a href=#110 id=110 data-nosnippet>110</a> </span>},
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<a href=#111 id=111 data-nosnippet>111</a> };
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<a href=#112 id=112 data-nosnippet>112</a>
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<a href=#113 id=113 data-nosnippet>113</a> <span class="kw">for </span>(data_point, request) <span class="kw">in </span>data_points.into_iter().zip(data_point_requests) {
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<a href=#114 id=114 data-nosnippet>114</a> <span class="kw">let </span>result = opentsdb_handler.exec(<span class="macro">vec!</span>[data_point], ctx.clone()).<span class="kw">await</span>;
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<a href=#115 id=115 data-nosnippet>115</a> <span class="kw">match </span>result {
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<a href=#116 id=116 data-nosnippet>116</a> <span class="prelude-val">Ok</span>(affected_rows) => response.on_success(affected_rows),
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<a href=#117 id=117 data-nosnippet>117</a> <span class="prelude-val">Err</span>(e) => response.on_failed(request, e),
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<a href=#118 id=118 data-nosnippet>118</a> }
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<a href=#119 id=119 data-nosnippet>119</a> }
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<a href=#120 id=120 data-nosnippet>120</a> (
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<a href=#121 id=121 data-nosnippet>121</a> HttpStatusCode::OK,
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<a href=#122 id=122 data-nosnippet>122</a> Json(OpentsdbPutResponse::Debug(response)),
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<a href=#123 id=123 data-nosnippet>123</a> )
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<a href=#124 id=124 data-nosnippet>124</a> };
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<a href=#125 id=125 data-nosnippet>125</a> <span class="prelude-val">Ok</span>(response)
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<a href=#126 id=126 data-nosnippet>126</a>}
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<a href=#127 id=127 data-nosnippet>127</a>
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<a href=#128 id=128 data-nosnippet>128</a><span class="kw">async fn </span>parse_data_points(body: Bytes) -> <span class="prelude-ty">Result</span><Vec<DataPointRequest>> {
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<a href=#129 id=129 data-nosnippet>129</a> <span class="kw">let </span>data_points = serde_json::from_slice::<OneOrMany<DataPointRequest>>(<span class="kw-2">&</span>body[..])
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<a href=#130 id=130 data-nosnippet>130</a> .context(error::InvalidOpentsdbJsonRequestSnafu)<span class="question-mark">?</span>;
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<a href=#131 id=131 data-nosnippet>131</a> <span class="prelude-val">Ok</span>(data_points.into())
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<a href=#132 id=132 data-nosnippet>132</a>}
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<a href=#133 id=133 data-nosnippet>133</a>
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<a href=#134 id=134 data-nosnippet>134</a><span class="attr">#[derive(Serialize, Deserialize, Debug)]
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<a href=#135 id=135 data-nosnippet>135</a></span><span class="kw">struct </span>OpentsdbDetailError {
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<a href=#136 id=136 data-nosnippet>136</a> datapoint: DataPointRequest,
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<a href=#137 id=137 data-nosnippet>137</a> error: String,
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<a href=#138 id=138 data-nosnippet>138</a>}
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<a href=#139 id=139 data-nosnippet>139</a>
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<a href=#140 id=140 data-nosnippet>140</a><span class="attr">#[derive(Serialize, Deserialize, Debug)]
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<a href=#141 id=141 data-nosnippet>141</a></span><span class="kw">pub struct </span>OpentsdbDebuggingResponse {
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<a href=#142 id=142 data-nosnippet>142</a> success: i32,
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<a href=#143 id=143 data-nosnippet>143</a> failed: i32,
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<a href=#144 id=144 data-nosnippet>144</a> <span class="attr">#[serde(skip_serializing_if = <span class="string">"Option::is_none"</span>)]
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<a href=#145 id=145 data-nosnippet>145</a> </span>errors: <span class="prelude-ty">Option</span><Vec<OpentsdbDetailError>>,
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<a href=#146 id=146 data-nosnippet>146</a>}
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<a href=#147 id=147 data-nosnippet>147</a>
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<a href=#148 id=148 data-nosnippet>148</a><span class="kw">impl </span>OpentsdbDebuggingResponse {
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<a href=#149 id=149 data-nosnippet>149</a> <span class="kw">fn </span>on_success(<span class="kw-2">&mut </span><span class="self">self</span>, affected_rows: usize) {
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<a href=#150 id=150 data-nosnippet>150</a> <span class="self">self</span>.success += affected_rows <span class="kw">as </span>i32;
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<a href=#151 id=151 data-nosnippet>151</a> }
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<a href=#152 id=152 data-nosnippet>152</a>
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<a href=#153 id=153 data-nosnippet>153</a> <span class="kw">fn </span>on_failed(<span class="kw-2">&mut </span><span class="self">self</span>, datapoint: DataPointRequest, error: <span class="kw">impl </span>ErrorExt) {
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<a href=#154 id=154 data-nosnippet>154</a> <span class="self">self</span>.failed += <span class="number">1</span>;
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<a href=#155 id=155 data-nosnippet>155</a>
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<a href=#156 id=156 data-nosnippet>156</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(details) = <span class="self">self</span>.errors.as_mut() {
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<a href=#157 id=157 data-nosnippet>157</a> <span class="kw">let </span>error = OpentsdbDetailError {
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<a href=#158 id=158 data-nosnippet>158</a> datapoint,
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<a href=#159 id=159 data-nosnippet>159</a> error: error.output_msg(),
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<a href=#160 id=160 data-nosnippet>160</a> };
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<a href=#161 id=161 data-nosnippet>161</a> details.push(error);
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<a href=#162 id=162 data-nosnippet>162</a> };
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<a href=#163 id=163 data-nosnippet>163</a> }
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<a href=#164 id=164 data-nosnippet>164</a>}
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<a href=#165 id=165 data-nosnippet>165</a>
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<a href=#166 id=166 data-nosnippet>166</a><span class="attr">#[cfg(test)]
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<a href=#167 id=167 data-nosnippet>167</a></span><span class="kw">mod </span>test {
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<a href=#168 id=168 data-nosnippet>168</a>
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<a href=#169 id=169 data-nosnippet>169</a> <span class="kw">use super</span>::<span class="kw-2">*</span>;
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<a href=#170 id=170 data-nosnippet>170</a>
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<a href=#171 id=171 data-nosnippet>171</a> <span class="attr">#[test]
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<a href=#172 id=172 data-nosnippet>172</a> </span><span class="kw">fn </span>test_into_opentsdb_data_point() {
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<a href=#173 id=173 data-nosnippet>173</a> <span class="kw">let </span>request = DataPointRequest {
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<a href=#174 id=174 data-nosnippet>174</a> metric: <span class="string">"hello"</span>.to_string(),
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<a href=#175 id=175 data-nosnippet>175</a> timestamp: <span class="number">1234</span>,
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<a href=#176 id=176 data-nosnippet>176</a> value: <span class="number">1.0</span>,
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<a href=#177 id=177 data-nosnippet>177</a> tags: HashMap::from([(<span class="string">"foo"</span>.to_string(), <span class="string">"a"</span>.to_string())]),
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<a href=#178 id=178 data-nosnippet>178</a> };
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<a href=#179 id=179 data-nosnippet>179</a> <span class="kw">let </span>data_point: DataPoint = request.into();
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<a href=#180 id=180 data-nosnippet>180</a> <span class="macro">assert_eq!</span>(data_point.metric(), <span class="string">"hello"</span>);
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<a href=#181 id=181 data-nosnippet>181</a> <span class="macro">assert_eq!</span>(data_point.ts_millis(), <span class="number">1234000</span>);
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<a href=#182 id=182 data-nosnippet>182</a> <span class="macro">assert_eq!</span>(data_point.value(), <span class="number">1.0</span>);
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<a href=#183 id=183 data-nosnippet>183</a> <span class="macro">assert_eq!</span>(
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<a href=#184 id=184 data-nosnippet>184</a> data_point.tags(),
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<a href=#185 id=185 data-nosnippet>185</a> <span class="kw-2">&</span><span class="macro">vec!</span>[(<span class="string">"foo"</span>.to_string(), <span class="string">"a"</span>.to_string())]
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<a href=#186 id=186 data-nosnippet>186</a> );
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<a href=#187 id=187 data-nosnippet>187</a> }
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<a href=#188 id=188 data-nosnippet>188</a>
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<a href=#189 id=189 data-nosnippet>189</a> <span class="attr">#[tokio::test]
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<a href=#190 id=190 data-nosnippet>190</a> </span><span class="kw">async fn </span>test_parse_data_points() {
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<a href=#191 id=191 data-nosnippet>191</a> <span class="kw">let </span>raw_data_point1 = <span class="string">r#"{
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<a href=#192 id=192 data-nosnippet>192</a> "metric": "sys.cpu.nice",
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<a href=#193 id=193 data-nosnippet>193</a> "timestamp": 1346846400,
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<a href=#194 id=194 data-nosnippet>194</a> "value": 18,
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<a href=#195 id=195 data-nosnippet>195</a> "tags": {
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<a href=#196 id=196 data-nosnippet>196</a> "host": "web01",
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<a href=#197 id=197 data-nosnippet>197</a> "dc": "lga"
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<a href=#198 id=198 data-nosnippet>198</a> }
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<a href=#199 id=199 data-nosnippet>199</a> }"#</span>;
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<a href=#200 id=200 data-nosnippet>200</a> <span class="kw">let </span>data_point1 = serde_json::from_str::<DataPointRequest>(raw_data_point1).unwrap();
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<a href=#201 id=201 data-nosnippet>201</a>
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<a href=#202 id=202 data-nosnippet>202</a> <span class="kw">let </span>raw_data_point2 = <span class="string">r#"{
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<a href=#203 id=203 data-nosnippet>203</a> "metric": "sys.cpu.nice",
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<a href=#204 id=204 data-nosnippet>204</a> "timestamp": 1346846400,
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<a href=#205 id=205 data-nosnippet>205</a> "value": 9,
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<a href=#206 id=206 data-nosnippet>206</a> "tags": {
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<a href=#207 id=207 data-nosnippet>207</a> "host": "web02",
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<a href=#208 id=208 data-nosnippet>208</a> "dc": "lga"
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<a href=#209 id=209 data-nosnippet>209</a> }
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<a href=#210 id=210 data-nosnippet>210</a> }"#</span>;
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<a href=#211 id=211 data-nosnippet>211</a> <span class="kw">let </span>data_point2 = serde_json::from_str::<DataPointRequest>(raw_data_point2).unwrap();
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<a href=#212 id=212 data-nosnippet>212</a>
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<a href=#213 id=213 data-nosnippet>213</a> <span class="kw">let </span>body = Bytes::from(raw_data_point1);
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<a href=#214 id=214 data-nosnippet>214</a> <span class="kw">let </span>data_points = parse_data_points(body).<span class="kw">await</span>.unwrap();
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<a href=#215 id=215 data-nosnippet>215</a> <span class="macro">assert_eq!</span>(data_points.len(), <span class="number">1</span>);
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<a href=#216 id=216 data-nosnippet>216</a> <span class="macro">assert_eq!</span>(data_points[<span class="number">0</span>], data_point1);
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<a href=#217 id=217 data-nosnippet>217</a>
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<a href=#218 id=218 data-nosnippet>218</a> <span class="kw">let </span>body = Bytes::from(<span class="macro">format!</span>(<span class="string">"[{raw_data_point1},{raw_data_point2}]"</span>));
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<a href=#219 id=219 data-nosnippet>219</a> <span class="kw">let </span>data_points = parse_data_points(body).<span class="kw">await</span>.unwrap();
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<a href=#220 id=220 data-nosnippet>220</a> <span class="macro">assert_eq!</span>(data_points.len(), <span class="number">2</span>);
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<a href=#221 id=221 data-nosnippet>221</a> <span class="macro">assert_eq!</span>(data_points[<span class="number">0</span>], data_point1);
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<a href=#222 id=222 data-nosnippet>222</a> <span class="macro">assert_eq!</span>(data_points[<span class="number">1</span>], data_point2);
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<a href=#223 id=223 data-nosnippet>223</a>
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<a href=#224 id=224 data-nosnippet>224</a> <span class="kw">let </span>body = Bytes::from(<span class="string">""</span>);
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<a href=#225 id=225 data-nosnippet>225</a> <span class="kw">let </span>result = parse_data_points(body).<span class="kw">await</span>;
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<a href=#226 id=226 data-nosnippet>226</a> <span class="macro">assert!</span>(result.is_err());
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<a href=#227 id=227 data-nosnippet>227</a> <span class="kw">let </span>err = result.unwrap_err().output_msg();
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<a href=#228 id=228 data-nosnippet>228</a> <span class="macro">assert!</span>(err.contains(<span class="string">"EOF while parsing a value at line 1 column 0"</span>));
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<a href=#229 id=229 data-nosnippet>229</a>
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<a href=#230 id=230 data-nosnippet>230</a> <span class="kw">let </span>body = Bytes::from(<span class="string">"hello world"</span>);
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<a href=#231 id=231 data-nosnippet>231</a> <span class="kw">let </span>result = parse_data_points(body).<span class="kw">await</span>;
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<a href=#232 id=232 data-nosnippet>232</a> <span class="macro">assert!</span>(result.is_err());
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<a href=#233 id=233 data-nosnippet>233</a> <span class="kw">let </span>err = result.unwrap_err().output_msg();
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<a href=#234 id=234 data-nosnippet>234</a> <span class="macro">assert!</span>(err.contains(<span class="string">"expected value at line 1 column 1"</span>));
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<a href=#235 id=235 data-nosnippet>235</a> }
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<a href=#236 id=236 data-nosnippet>236</a>}</code></pre></div></section></main></body></html> |