| <!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 `function/src/ordered_set_intersect.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>ordered_set_intersect.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../teaclave_function/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../teaclave_function/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="comment">// Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| </span><span class="kw">use </span>anyhow::bail; |
| <span class="kw">use </span>std::cmp; |
| <span class="kw">use </span>std::convert::TryFrom; |
| <span class="kw">use </span>std::format; |
| <span class="kw">use </span>std::io::{<span class="self">self</span>, BufRead, BufReader, Write}; |
| <span class="kw">use </span>teaclave_types::{FunctionArguments, FunctionRuntime}; |
| |
| <span class="kw">extern crate </span>hex; |
| |
| <span class="comment">// Input data should be a list of sorted hash values. |
| |
| </span><span class="kw">const </span>IN_DATA1: <span class="kw-2">&</span>str = <span class="string">"input_data1"</span>; |
| <span class="kw">const </span>IN_DATA2: <span class="kw-2">&</span>str = <span class="string">"input_data2"</span>; |
| <span class="kw">const </span>OUT_RESULT1: <span class="kw-2">&</span>str = <span class="string">"output_result1"</span>; |
| <span class="kw">const </span>OUT_RESULT2: <span class="kw-2">&</span>str = <span class="string">"output_result2"</span>; |
| |
| <span class="attribute">#[derive(Default)] |
| </span><span class="kw">pub struct </span>OrderedSetIntersect; |
| |
| <span class="attribute">#[derive(serde::Deserialize)] |
| </span><span class="kw">pub struct </span>OrderedSetIntersectArguments { |
| order: String, |
| } |
| |
| <span class="kw">impl </span>TryFrom<FunctionArguments> <span class="kw">for </span>OrderedSetIntersectArguments { |
| <span class="kw">type </span>Error = anyhow::Error; |
| |
| <span class="kw">fn </span>try_from(arguments: FunctionArguments) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, <span class="self">Self</span>::Error> { |
| <span class="kw">use </span>anyhow::Context; |
| serde_json::from_str(<span class="kw-2">&</span>arguments.into_string()).context(<span class="string">"Cannot deserialize arguments"</span>) |
| } |
| } |
| |
| <span class="kw">impl </span>OrderedSetIntersect { |
| <span class="kw">pub const </span>NAME: <span class="kw-2">&</span><span class="lifetime">'static </span>str = <span class="string">"builtin-ordered-set-intersect"</span>; |
| |
| <span class="kw">pub fn </span>new() -> <span class="self">Self </span>{ |
| Default::default() |
| } |
| |
| <span class="kw">pub fn </span>run( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| arguments: FunctionArguments, |
| runtime: FunctionRuntime, |
| ) -> anyhow::Result<String> { |
| <span class="kw">let </span>input1 = runtime.open_input(IN_DATA1)<span class="question-mark">?</span>; |
| <span class="kw">let </span>input2 = runtime.open_input(IN_DATA2)<span class="question-mark">?</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>output1 = runtime.create_output(OUT_RESULT1)<span class="question-mark">?</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>output2 = runtime.create_output(OUT_RESULT2)<span class="question-mark">?</span>; |
| <span class="kw">let </span>args = OrderedSetIntersectArguments::try_from(arguments)<span class="question-mark">?</span>; |
| <span class="kw">let </span>order = <span class="kw-2">&</span>args.order[..]; |
| <span class="kw">let </span>ascending_order = <span class="kw">match </span>order { |
| <span class="string">"ascending" </span>=> <span class="bool-val">true</span>, |
| <span class="string">"desending" </span>=> <span class="bool-val">false</span>, |
| <span class="kw">_ </span>=> <span class="macro">bail!</span>(<span class="string">"Invalid order"</span>), |
| }; |
| |
| <span class="kw">let </span>vec1 = parse_input_data(input1, ascending_order)<span class="question-mark">?</span>; |
| <span class="kw">let </span>vec2 = parse_input_data(input2, ascending_order)<span class="question-mark">?</span>; |
| <span class="kw">let </span>(result1, result2) = intersection_ordered_vec(<span class="kw-2">&</span>vec1, <span class="kw-2">&</span>vec2, ascending_order)<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>common_sets = <span class="number">0</span>; |
| |
| <span class="kw">for </span>item <span class="kw">in </span>result1 { |
| <span class="macro">write!</span>(<span class="kw-2">&mut </span>output1, <span class="string">"{}"</span>, item <span class="kw">as </span>u32)<span class="question-mark">?</span>; |
| <span class="kw">if </span>item { |
| common_sets += <span class="number">1</span>; |
| } |
| } |
| <span class="kw">for </span>item <span class="kw">in </span>result2 { |
| <span class="macro">write!</span>(<span class="kw-2">&mut </span>output2, <span class="string">"{}"</span>, item <span class="kw">as </span>u32)<span class="question-mark">?</span>; |
| } |
| |
| <span class="macro">log::trace!</span>(<span class="string">"{}"</span>, common_sets); |
| |
| <span class="prelude-val">Ok</span>(<span class="macro">format!</span>(<span class="string">"{} common items"</span>, common_sets)) |
| } |
| } |
| |
| <span class="kw">fn </span>parse_input_data(input: <span class="kw">impl </span>io::Read, ascending_order: bool) -> anyhow::Result<Vec<Vec<u8>>> { |
| <span class="kw">let </span><span class="kw-2">mut </span>samples: Vec<Vec<u8>> = Vec::new(); |
| <span class="kw">let </span>reader = BufReader::new(input); |
| <span class="kw">for </span>(index, byte_result) <span class="kw">in </span>reader.lines().enumerate() { |
| <span class="kw">let </span>byte = byte_result<span class="question-mark">?</span>; |
| <span class="kw">let </span>result = hex::decode(byte)<span class="question-mark">?</span>; |
| <span class="kw">if </span>index > <span class="number">0 </span>{ |
| <span class="comment">// If vec has more than 2 elements, then verify the ordering |
| </span><span class="kw">let </span>last_element = <span class="kw-2">&</span>samples[index - <span class="number">1</span>]; |
| <span class="kw">if </span>ascending_order && result < <span class="kw-2">*</span>last_element |
| || !ascending_order && result > <span class="kw-2">*</span>last_element |
| { |
| <span class="macro">bail!</span>(<span class="string">"Invalid ordering"</span>); |
| } |
| } |
| samples.push(result) |
| } |
| |
| <span class="prelude-val">Ok</span>(samples) |
| } |
| |
| <span class="kw">fn </span>intersection_ordered_vec( |
| input1: <span class="kw-2">&</span>[Vec<u8>], |
| input2: <span class="kw-2">&</span>[Vec<u8>], |
| ascending_order: bool, |
| ) -> anyhow::Result<(Vec<bool>, Vec<bool>)> { |
| <span class="kw">let </span>v1_len = input1.len(); |
| <span class="kw">let </span>v2_len = input2.len(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>res1 = <span class="macro">std::vec!</span>[<span class="bool-val">false</span>; v1_len]; |
| <span class="kw">let </span><span class="kw-2">mut </span>res2 = <span class="macro">std::vec!</span>[<span class="bool-val">false</span>; v2_len]; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>i = <span class="number">0</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>j = <span class="number">0</span>; |
| |
| <span class="kw">while </span>i < v1_len && j < v2_len { |
| <span class="kw">let </span>order = <span class="kw-2">&</span>input1[i].cmp(<span class="kw-2">&</span>input2[j]); |
| <span class="kw">match </span>order { |
| cmp::Ordering::Equal => { |
| res1[i] = <span class="bool-val">true</span>; |
| res2[j] = <span class="bool-val">true</span>; |
| i += <span class="number">1</span>; |
| j += <span class="number">1</span>; |
| } |
| cmp::Ordering::Less => { |
| <span class="kw">if </span>ascending_order { |
| i += <span class="number">1</span>; |
| } <span class="kw">else </span>{ |
| j += <span class="number">1</span>; |
| } |
| } |
| cmp::Ordering::Greater => { |
| <span class="kw">if </span>ascending_order { |
| j += <span class="number">1</span>; |
| } <span class="kw">else </span>{ |
| i += <span class="number">1</span>; |
| } |
| } |
| } |
| } |
| <span class="prelude-val">Ok</span>((res1, res2)) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"enclave_unit_test"</span>)] |
| </span><span class="kw">pub mod </span>tests { |
| <span class="kw">use super</span>::<span class="kw-2">*</span>; |
| <span class="kw">use </span>serde_json::json; |
| <span class="kw">use </span>std::path::Path; |
| <span class="kw">use </span>std::untrusted::fs; |
| <span class="kw">use </span>teaclave_crypto::<span class="kw-2">*</span>; |
| <span class="kw">use </span>teaclave_runtime::<span class="kw-2">*</span>; |
| <span class="kw">use </span>teaclave_test_utils::<span class="kw-2">*</span>; |
| <span class="kw">use </span>teaclave_types::<span class="kw-2">*</span>; |
| |
| <span class="kw">pub fn </span>run_tests() -> bool { |
| <span class="macro">run_tests!</span>(test_ordered_set_intersect) |
| } |
| |
| <span class="kw">fn </span>test_ordered_set_intersect() { |
| <span class="kw">let </span>arguments = FunctionArguments::from_json(<span class="macro">json!</span>({ |
| <span class="string">"order"</span>: <span class="string">"ascending" |
| </span>})) |
| .unwrap(); |
| |
| <span class="kw">let </span>base = Path::new(<span class="string">"fixtures/functions/ordered_set_intersect"</span>); |
| |
| <span class="kw">let </span>user1_input = base.join(<span class="string">"psi0.txt"</span>); |
| <span class="kw">let </span>user1_output = base.join(<span class="string">"output_psi0.txt"</span>); |
| |
| <span class="kw">let </span>user2_input = base.join(<span class="string">"psi1.txt"</span>); |
| <span class="kw">let </span>user2_output = base.join(<span class="string">"output_psi1.txt"</span>); |
| |
| <span class="kw">let </span>input_files = StagedFiles::new(<span class="macro">hashmap!</span>( |
| IN_DATA1 => |
| StagedFileInfo::new(<span class="kw-2">&</span>user1_input, TeaclaveFile128Key::random(), FileAuthTag::mock()), |
| IN_DATA2 => |
| StagedFileInfo::new(<span class="kw-2">&</span>user2_input, TeaclaveFile128Key::random(), FileAuthTag::mock()), |
| )); |
| |
| <span class="kw">let </span>output_files = StagedFiles::new(<span class="macro">hashmap!</span>( |
| OUT_RESULT1 => |
| StagedFileInfo::new(<span class="kw-2">&</span>user1_output, TeaclaveFile128Key::random(), FileAuthTag::mock()), |
| OUT_RESULT2 => |
| StagedFileInfo::new(<span class="kw-2">&</span>user2_output, TeaclaveFile128Key::random(), FileAuthTag::mock()), |
| )); |
| |
| <span class="kw">let </span>runtime = Box::new(RawIoRuntime::new(input_files, output_files)); |
| <span class="kw">let </span>summary = OrderedSetIntersect::new().run(arguments, runtime).unwrap(); |
| |
| <span class="kw">let </span>user1_result = fs::read_to_string(<span class="kw-2">&</span>user1_output).unwrap(); |
| <span class="kw">let </span>user2_result = fs::read_to_string(<span class="kw-2">&</span>user2_output).unwrap(); |
| |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>user1_result[..], <span class="string">"0101010"</span>); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>user2_result[..], <span class="string">"01101"</span>); |
| <span class="macro">assert_eq!</span>(summary, <span class="string">"3 common items"</span>); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="teaclave_function" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
