| <!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 `executor/src/wamr.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>wamr.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_executor/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_executor/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>teaclave_executor_context::context::reset_thread_context; |
| <span class="kw">use </span>teaclave_executor_context::context::set_thread_context; |
| <span class="kw">use </span>teaclave_executor_context::context::Context; |
| <span class="kw">use </span>teaclave_executor_context::context::{ |
| wasm_close_file, wasm_create_output, wasm_open_input, wasm_read_file, wasm_write_file, |
| }; |
| |
| <span class="kw">use </span>std::ffi::{c_void, CStr, CString}; |
| <span class="kw">use </span>std::os::raw::{c_char, c_int}; |
| |
| <span class="kw">use </span>teaclave_types::{FunctionArguments, FunctionRuntime, TeaclaveExecutor}; |
| |
| <span class="comment">// TVM example needs 20MB heap to run in WAMR |
| </span><span class="kw">const </span>DEFAULT_HEAP_SIZE: u32 = <span class="number">20971520</span>; |
| <span class="kw">const </span>DEFAULT_STACK_SIZE: u32 = <span class="number">163840</span>; |
| <span class="kw">const </span>DEFAULT_ERROR_BUF_SIZE: usize = <span class="number">128</span>; |
| |
| <span class="attribute">#[repr(C)] |
| #[derive(Debug)] |
| </span><span class="kw">struct </span>NativeSymbol { |
| symbol: <span class="kw-2">*const </span>c_char, |
| func_ptr: <span class="kw-2">*const </span>c_void, |
| signature: <span class="kw-2">*const </span>c_char, |
| attachment: <span class="kw-2">*const </span>c_void, |
| } |
| |
| <span class="kw">extern </span><span class="string">"C" </span>{ |
| |
| <span class="kw">fn </span>wasm_runtime_init() -> bool; |
| |
| <span class="kw">fn </span>wasm_runtime_load( |
| buf: <span class="kw-2">*const </span>u8, |
| size: u32, |
| error_buf: <span class="kw-2">*mut </span>u8, |
| error_buf_size: u32, |
| ) -> <span class="kw-2">*const </span>c_void; |
| |
| <span class="kw">fn </span>wasm_runtime_instantiate( |
| module: <span class="kw-2">*const </span>c_void, |
| stack_size: u32, |
| heap_size: u32, |
| error_buf: <span class="kw-2">*mut </span>u8, |
| error_buf_size: u32, |
| ) -> <span class="kw-2">*const </span>c_void; |
| |
| <span class="kw">fn </span>wasm_runtime_lookup_function( |
| module_inst: <span class="kw-2">*const </span>c_void, |
| name: <span class="kw-2">*const </span>c_char, |
| signature: <span class="kw-2">*const </span>u8, |
| ) -> <span class="kw-2">*const </span>c_void; |
| |
| <span class="kw">fn </span>wasm_runtime_create_exec_env(module_inst: <span class="kw-2">*const </span>c_void, stack_size: u32) -> <span class="kw-2">*const </span>c_void; |
| |
| <span class="kw">fn </span>wasm_runtime_call_wasm( |
| exec_env: <span class="kw-2">*const </span>c_void, |
| function: <span class="kw-2">*const </span>c_void, |
| argc: u32, |
| argv: <span class="kw-2">*const </span>u32, |
| ) -> bool; |
| |
| <span class="kw">fn </span>wasm_runtime_module_dup_data(module_inst: <span class="kw-2">*const </span>c_void, src: <span class="kw-2">*const </span>u8, size: u32) -> u32; |
| |
| <span class="kw">fn </span>wasm_runtime_module_free(module_inst: <span class="kw-2">*const </span>c_void, ptr: u32); |
| |
| <span class="kw">fn </span>wasm_runtime_register_natives( |
| module_name: <span class="kw-2">*const </span>c_char, |
| native_symbols: <span class="kw-2">*const </span>NativeSymbol, |
| n_native_symbols: u32, |
| ) -> bool; |
| |
| <span class="kw">fn </span>wasm_runtime_get_exception(module_inst: <span class="kw-2">*const </span>c_void) -> <span class="kw-2">*const </span>c_char; |
| |
| <span class="kw">fn </span>wasm_runtime_deinstantiate(module_inst: <span class="kw-2">*const </span>c_void); |
| |
| <span class="kw">fn </span>wasm_runtime_unload(module: <span class="kw-2">*const </span>c_void); |
| |
| <span class="kw">fn </span>wasm_runtime_destroy(); |
| |
| } |
| |
| <span class="attribute">#[derive(Default)] |
| </span><span class="kw">pub struct </span>WAMicroRuntime; |
| |
| <span class="kw">impl </span>TeaclaveExecutor <span class="kw">for </span>WAMicroRuntime { |
| <span class="kw">fn </span>execute( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| _name: String, |
| arguments: FunctionArguments, |
| payload: Vec<u8>, |
| runtime: FunctionRuntime, |
| ) -> anyhow::Result<String> { |
| <span class="kw">let </span>wa_argv: Vec<<span class="kw">_</span>> = arguments.into_vec(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>error_buf = [<span class="number">0u8</span>; DEFAULT_ERROR_BUF_SIZE]; |
| <span class="kw">let </span>entry_name = CString::new(<span class="string">"entrypoint"</span>).expect(<span class="string">"CString::new failed"</span>); |
| |
| set_thread_context(Context::new(runtime))<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span>ret = <span class="kw">unsafe </span>{ wasm_runtime_init() }; |
| <span class="macro">assert!</span>(ret); |
| |
| <span class="comment">// export native function |
| </span><span class="kw">let </span>export_symbols: [NativeSymbol; <span class="number">5</span>] = [ |
| NativeSymbol { |
| symbol: <span class="string">b"teaclave_open_input\0"</span>.as_ptr() <span class="kw">as _</span>, |
| func_ptr: wasm_open_input <span class="kw">as </span><span class="kw-2">*const </span>c_void, |
| signature: <span class="string">b"($)i\0"</span>.as_ptr() <span class="kw">as _</span>, |
| attachment: std::ptr::null(), |
| }, |
| NativeSymbol { |
| symbol: <span class="string">b"teaclave_create_output\0"</span>.as_ptr() <span class="kw">as _</span>, |
| func_ptr: wasm_create_output <span class="kw">as </span><span class="kw-2">*const </span>c_void, |
| signature: <span class="string">b"($)i\0"</span>.as_ptr() <span class="kw">as _</span>, |
| attachment: std::ptr::null(), |
| }, |
| NativeSymbol { |
| symbol: <span class="string">b"teaclave_read_file\0"</span>.as_ptr() <span class="kw">as _</span>, |
| func_ptr: wasm_read_file <span class="kw">as </span><span class="kw-2">*const </span>c_void, |
| signature: <span class="string">b"(i*~)i\0"</span>.as_ptr() <span class="kw">as _</span>, |
| attachment: std::ptr::null(), |
| }, |
| NativeSymbol { |
| symbol: <span class="string">b"teaclave_write_file\0"</span>.as_ptr() <span class="kw">as _</span>, |
| func_ptr: wasm_write_file <span class="kw">as </span><span class="kw-2">*const </span>c_void, |
| signature: <span class="string">b"(i*~)i\0"</span>.as_ptr() <span class="kw">as _</span>, |
| attachment: std::ptr::null(), |
| }, |
| NativeSymbol { |
| symbol: <span class="string">b"teaclave_close_file\0"</span>.as_ptr() <span class="kw">as _</span>, |
| func_ptr: wasm_close_file <span class="kw">as </span><span class="kw-2">*const </span>c_void, |
| signature: <span class="string">b"(i)i\0"</span>.as_ptr() <span class="kw">as _</span>, |
| attachment: std::ptr::null(), |
| }, |
| ]; |
| |
| <span class="kw">let </span>register_succeeded = <span class="kw">unsafe </span>{ |
| wasm_runtime_register_natives( |
| <span class="string">b"env\0"</span>.as_ptr() <span class="kw">as _</span>, |
| export_symbols.as_ptr(), |
| export_symbols.len() <span class="kw">as </span>u32, |
| ) |
| }; |
| <span class="macro">assert!</span>(register_succeeded); |
| |
| <span class="kw">let </span>module = <span class="kw">unsafe </span>{ |
| wasm_runtime_load( |
| payload.as_ptr(), |
| payload.len() <span class="kw">as </span>u32, |
| error_buf.as_mut_ptr(), |
| error_buf.len() <span class="kw">as </span>u32, |
| ) |
| }; |
| |
| <span class="macro">assert!</span>((module <span class="kw">as </span>usize) != <span class="number">0</span>); |
| |
| error_buf = [<span class="number">0u8</span>; DEFAULT_ERROR_BUF_SIZE]; |
| <span class="kw">let </span>module_instance = <span class="kw">unsafe </span>{ |
| wasm_runtime_instantiate( |
| module, |
| DEFAULT_STACK_SIZE, |
| DEFAULT_HEAP_SIZE, |
| error_buf.as_mut_ptr(), |
| error_buf.len() <span class="kw">as </span>u32, |
| ) |
| }; |
| <span class="macro">assert!</span>((module_instance <span class="kw">as </span>usize) != <span class="number">0</span>); |
| |
| <span class="kw">let </span>entry_func = <span class="kw">unsafe </span>{ |
| wasm_runtime_lookup_function( |
| module_instance, |
| entry_name.as_ptr() <span class="kw">as _</span>, |
| std::ptr::null(), |
| ) |
| }; |
| <span class="macro">assert!</span>((entry_func <span class="kw">as </span>usize) != <span class="number">0</span>); |
| |
| <span class="kw">let </span>exec_env = <span class="kw">unsafe </span>{ wasm_runtime_create_exec_env(module_instance, DEFAULT_STACK_SIZE) }; |
| <span class="macro">assert!</span>((exec_env <span class="kw">as </span>usize) != <span class="number">0</span>); |
| |
| <span class="comment">// prepare the arguments |
| // for best compatibility with Teaclave, the function signature is `int entrypoint(int argc, char* argv[])` |
| </span><span class="kw">let </span>cstr_argv: Vec<<span class="kw">_</span>> = wa_argv |
| .iter() |
| .map(|arg| CString::new(arg.as_str()).unwrap()) |
| .collect(); |
| <span class="kw">let </span>wasm_argc = <span class="number">2</span>; |
| <span class="kw">let </span>p_argv: Vec<u32> = cstr_argv |
| .iter() <span class="comment">// do NOT into_iter() |
| </span>.map(|arg| <span class="kw">unsafe </span>{ |
| wasm_runtime_module_dup_data( |
| module_instance, |
| arg.as_ptr() <span class="kw">as </span><span class="kw-2">*const </span>u8, |
| arg.to_bytes_with_nul().len() <span class="kw">as </span>u32, |
| ) |
| }) |
| .collect(); |
| <span class="kw">let </span>func_argv = <span class="kw">unsafe </span>{ |
| wasm_runtime_module_dup_data( |
| module_instance, |
| p_argv.as_ptr() <span class="kw">as </span><span class="kw-2">*const </span>u8, |
| (p_argv.len() * <span class="number">4</span>) <span class="kw">as </span>u32, |
| ) |
| }; |
| <span class="kw">let </span>wasm_argv: [u32; <span class="number">2</span>] = [p_argv.len() <span class="kw">as </span>u32, func_argv]; |
| |
| <span class="kw">let </span>result = |
| <span class="kw">unsafe </span>{ wasm_runtime_call_wasm(exec_env, entry_func, wasm_argc, wasm_argv.as_ptr()) }; |
| |
| <span class="comment">// clean WAMR allocated memory |
| </span><span class="kw">let _ </span>= p_argv |
| .iter() |
| .map(|addr| <span class="kw">unsafe </span>{ wasm_runtime_module_free(module_instance, <span class="kw-2">*</span>addr) }); |
| <span class="kw">unsafe </span>{ wasm_runtime_module_free(module_instance, func_argv) }; |
| |
| <span class="kw">let </span>result = <span class="kw">if </span>result { |
| <span class="kw">let </span>rv = wasm_argv[<span class="number">0</span>] <span class="kw">as </span>c_int; |
| <span class="macro">log::debug!</span>( |
| <span class="string">"IN WAMicroRuntime::execute after `wasm_runtime_call_wasm`, {:?}"</span>, |
| rv |
| ); |
| <span class="prelude-val">Ok</span>(rv.to_string()) |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>error = <span class="kw">unsafe </span>{ CStr::from_ptr(wasm_runtime_get_exception(module_instance)) }; |
| <span class="macro">log::debug!</span>(<span class="string">"WAMR ERROR: {:?}"</span>, error); |
| <span class="prelude-val">Ok</span>(error.to_str().unwrap().to_string()) |
| }; |
| |
| <span class="kw">unsafe </span>{ wasm_runtime_deinstantiate(module_instance) }; |
| |
| <span class="kw">unsafe </span>{ wasm_runtime_unload(module) }; |
| |
| <span class="kw">unsafe </span>{ wasm_runtime_destroy() }; |
| |
| reset_thread_context()<span class="question-mark">?</span>; |
| |
| result |
| } |
| } |
| |
| <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>std::collections::HashMap; |
| <span class="kw">use </span>std::io::Read; |
| <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_wamr_millionaire,) |
| } |
| |
| <span class="comment">// FIXME: see https://github.com/apache/incubator-teaclave/issues/688 |
| </span><span class="attribute">#[allow(dead_code)] |
| </span><span class="kw">fn </span>test_wamr_tvm_mnist() { |
| <span class="kw">let </span><span class="kw-2">mut </span>args = HashMap::new(); |
| |
| args.insert(<span class="string">"input_img"</span>.to_string(), <span class="string">"input_img"</span>.to_string()); |
| <span class="kw">let </span>args = FunctionArguments::from(args); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>file = |
| fs::File::open(<span class="string">"../../examples/python/wasm_tvm_mnist_payload/mnist.wasm"</span>).unwrap(); |
| <span class="kw">let </span><span class="kw-2">mut </span>wa_payload = Vec::new(); |
| file.read_to_end(<span class="kw-2">&mut </span>wa_payload).unwrap(); |
| |
| <span class="kw">let </span>input_img = <span class="string">"fixtures/functions/wamr_tvm_mnist/img_10.jpg"</span>; |
| |
| <span class="kw">let </span>input_img_info = |
| StagedFileInfo::new(input_img, TeaclaveFile128Key::random(), FileAuthTag::mock()); |
| |
| <span class="kw">let </span>input_files = StagedFiles::new(<span class="macro">hashmap!</span>(<span class="string">"input_img" </span>=> input_img_info)); |
| <span class="kw">let </span>output_files = StagedFiles::default(); |
| |
| <span class="kw">let </span>runtime = Box::new(RawIoRuntime::new(input_files, output_files)); |
| |
| <span class="kw">let </span>function = WAMicroRuntime::default(); |
| <span class="kw">let </span>summary = function |
| .execute(<span class="string">""</span>.to_string(), args, wa_payload, runtime) |
| .unwrap(); |
| <span class="macro">log::debug!</span>( |
| <span class="string">"IN TEST test_wamr_tvm_mnist: AFTER execution, summary: {:?}"</span>, |
| summary |
| ); |
| |
| <span class="macro">assert_eq!</span>(summary, <span class="string">"3"</span>); |
| } |
| |
| <span class="kw">fn </span>test_wamr_millionaire() { |
| <span class="kw">let </span><span class="kw-2">mut </span>args = HashMap::new(); |
| |
| args.insert(<span class="string">"input_file_id1"</span>.to_string(), <span class="string">"pf_in_a"</span>.to_string()); |
| args.insert(<span class="string">"input_file_id2"</span>.to_string(), <span class="string">"pf_in_b"</span>.to_string()); |
| args.insert(<span class="string">"output_file_id"</span>.to_string(), <span class="string">"pf_out"</span>.to_string()); |
| <span class="kw">let </span>args = FunctionArguments::from(args); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>file = fs::File::open( |
| <span class="string">"../../examples/python/wasm_c_millionaire_problem_payload/millionaire_problem.wasm"</span>, |
| ) |
| .unwrap(); |
| <span class="kw">let </span><span class="kw-2">mut </span>wa_payload = Vec::new(); |
| file.read_to_end(<span class="kw-2">&mut </span>wa_payload).unwrap(); |
| |
| <span class="kw">let </span>input_a = <span class="string">"fixtures/functions/wamr_c_millionaire_problem/input_a.txt"</span>; |
| <span class="kw">let </span>input_b = <span class="string">"fixtures/functions/wamr_c_millionaire_problem/input_b.txt"</span>; |
| <span class="kw">let </span>output = <span class="string">"fixtures/functions/wamr_c_millionaire_problem/output.txt"</span>; |
| <span class="kw">let </span>expected_output = <span class="string">"fixtures/functions/wamr_c_millionaire_problem/expected_output.txt"</span>; |
| |
| <span class="kw">let </span>input_a_info = |
| StagedFileInfo::new(input_a, TeaclaveFile128Key::random(), FileAuthTag::mock()); |
| <span class="kw">let </span>input_b_info = |
| StagedFileInfo::new(input_b, TeaclaveFile128Key::random(), FileAuthTag::mock()); |
| <span class="kw">let </span>output_info = |
| StagedFileInfo::new(output, TeaclaveFile128Key::random(), FileAuthTag::mock()); |
| |
| <span class="kw">let </span>input_files = |
| StagedFiles::new(<span class="macro">hashmap!</span>(<span class="string">"pf_in_a" </span>=> input_a_info, <span class="string">"pf_in_b" </span>=> input_b_info)); |
| <span class="kw">let </span>output_files = StagedFiles::new(<span class="macro">hashmap!</span>(<span class="string">"pf_out" </span>=> output_info)); |
| |
| <span class="kw">let </span>runtime = Box::new(RawIoRuntime::new(input_files, output_files)); |
| |
| <span class="kw">let </span>function = WAMicroRuntime::default(); |
| <span class="kw">let </span>summary = function |
| .execute(<span class="string">""</span>.to_string(), args, wa_payload, runtime) |
| .unwrap(); |
| <span class="macro">log::debug!</span>( |
| <span class="string">"IN TEST test_wamr_millionaire: AFTER execution, summary: {:?}"</span>, |
| summary |
| ); |
| |
| <span class="macro">assert_eq!</span>(summary, <span class="string">"7"</span>); |
| |
| <span class="kw">let </span>output = fs::read_to_string(output).unwrap(); |
| <span class="kw">let </span>expected = fs::read_to_string(expected_output).unwrap(); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>output[..], <span class="kw-2">&</span>expected[..]); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="teaclave_executor" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
