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Sebastian Moser
2024-09-17 19:50:24 +02:00
parent 6d14736a02
commit 1dedfb8500
4 changed files with 200 additions and 111 deletions
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190
Cargo.lock generated
View File

@@ -17,6 +17,18 @@ version = "1.0.2"
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@@ -977,9 +984,9 @@ checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
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"wasm-bindgen", "wasm-bindgen",
] ]
@@ -1112,6 +1119,7 @@ dependencies = [
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"wasm-bindgen-cli", "wasm-bindgen-cli",
"wasm-bindgen-test", "wasm-bindgen-test",
"web-sys",
] ]
[[package]] [[package]]
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dependencies = [ dependencies = [
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"libc", "libc",
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@@ -1505,6 +1513,12 @@ version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]] [[package]]
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@@ -1703,15 +1717,6 @@ dependencies = [
"windows-sys 0.52.0", "windows-sys 0.52.0",
] ]
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"winapi-util",
]
[[package]] [[package]]
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@@ -2131,9 +2136,9 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
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@@ -2175,19 +2180,20 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
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"cfg-if", "cfg-if",
"once_cell",
"wasm-bindgen-macro", "wasm-bindgen-macro",
] ]
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source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [ dependencies = [
"bumpalo", "bumpalo",
"log", "log",
@@ -2200,9 +2206,9 @@ dependencies = [
[[package]] [[package]]
name = "wasm-bindgen-cli" name = "wasm-bindgen-cli"
version = "0.2.92" version = "0.2.93"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [ dependencies = [
"anyhow", "anyhow",
"docopt", "docopt",
@@ -2220,12 +2226,12 @@ dependencies = [
[[package]] [[package]]
name = "wasm-bindgen-cli-support" name = "wasm-bindgen-cli-support"
version = "0.2.92" version = "0.2.93"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [ dependencies = [
"anyhow", "anyhow",
"base64 0.21.7", "base64 0.22.1",
"log", "log",
"rustc-demangle", "rustc-demangle",
"serde_json", "serde_json",
@@ -2242,12 +2248,13 @@ dependencies = [
[[package]] [[package]]
name = "wasm-bindgen-externref-xform" name = "wasm-bindgen-externref-xform"
version = "0.2.92" version = "0.2.93"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [ dependencies = [
"anyhow", "anyhow",
"walrus", "walrus",
"wasm-bindgen-wasm-conventions",
] ]
[[package]] [[package]]
@@ -2264,9 +2271,9 @@ dependencies = [
[[package]] [[package]]
name = "wasm-bindgen-macro" name = "wasm-bindgen-macro"
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source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [ dependencies = [
"quote", "quote",
"wasm-bindgen-macro-support", "wasm-bindgen-macro-support",
@@ -2274,9 +2281,9 @@ dependencies = [
[[package]] [[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [ dependencies = [
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"quote", "quote",
@@ -2287,19 +2294,20 @@ dependencies = [
[[package]] [[package]]
name = "wasm-bindgen-multi-value-xform" name = "wasm-bindgen-multi-value-xform"
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source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [ dependencies = [
"anyhow", "anyhow",
"walrus", "walrus",
"wasm-bindgen-wasm-conventions",
] ]
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name = "wasm-bindgen-shared" name = "wasm-bindgen-shared"
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source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]] [[package]]
name = "wasm-bindgen-test" name = "wasm-bindgen-test"
@@ -2328,9 +2336,9 @@ dependencies = [
[[package]] [[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2d5add359b7f7d09a55299a9d29be54414264f2b8cf84f8c8fda5be9269b5dd9" checksum = "7e9ca60ee029d64cf6f63a630050935360c3877844f6de38e8287afb8f1d2715"
dependencies = [ dependencies = [
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"walrus", "walrus",
@@ -2339,19 +2347,22 @@ dependencies = [
[[package]] [[package]]
name = "wasm-bindgen-wasm-conventions" name = "wasm-bindgen-wasm-conventions"
version = "0.2.92" version = "0.2.93"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8c04e3607b810e76768260db3a5f2e8beb477cb089ef8726da85c8eb9bd3b575" checksum = "6e429e00149de60ffc768e6e1f0563778a237e7c11cc01801edf9734bff8161f"
dependencies = [ dependencies = [
"anyhow", "anyhow",
"leb128",
"log",
"walrus", "walrus",
"wasmparser",
] ]
[[package]] [[package]]
name = "wasm-bindgen-wasm-interpreter" name = "wasm-bindgen-wasm-interpreter"
version = "0.2.92" version = "0.2.93"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9ea966593c8243a33eb4d643254eb97a69de04e89462f46cf6b4f506aae89b3a" checksum = "771c49db324f195f221796bf3868247dd91cca4a85604dcb3729213e439abe59"
dependencies = [ dependencies = [
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"log", "log",
@@ -2361,24 +2372,32 @@ dependencies = [
[[package]] [[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "18c41dbd92eaebf3612a39be316540b8377c871cb9bde6b064af962984912881" checksum = "501940df4418b8929eb6d52f1aade1fdd15a5b86c92453cb696e3c906bd3fc33"
dependencies = [ dependencies = [
"leb128", "leb128",
] ]
[[package]] [[package]]
name = "wasmparser" name = "wasmparser"
version = "0.80.2" version = "0.212.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "449167e2832691a1bff24cde28d2804e90e09586a448c8e76984792c44334a6b" checksum = "8d28bc49ba1e5c5b61ffa7a2eace10820443c4b7d1c0b144109261d14570fdf8"
dependencies = [
"ahash",
"bitflags 2.5.0",
"hashbrown 0.14.5",
"indexmap 2.5.0",
"semver",
"serde",
]
[[package]] [[package]]
name = "web-sys" name = "web-sys"
version = "0.3.69" version = "0.3.70"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [ dependencies = [
"js-sys", "js-sys",
"wasm-bindgen", "wasm-bindgen",
@@ -2409,15 +2428,6 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-util"
version = "0.1.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4d4cc384e1e73b93bafa6fb4f1df8c41695c8a91cf9c4c64358067d15a7b6c6b"
dependencies = [
"windows-sys 0.52.0",
]
[[package]] [[package]]
name = "winapi-x86_64-pc-windows-gnu" name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0" version = "0.4.0"
@@ -2591,6 +2601,26 @@ dependencies = [
"memchr", "memchr",
] ]
[[package]]
name = "zerocopy"
version = "0.7.35"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
dependencies = [
"zerocopy-derive",
]
[[package]]
name = "zerocopy-derive"
version = "0.7.35"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.66",
]
[[package]] [[package]]
name = "zeroize" name = "zeroize"
version = "1.8.1" version = "1.8.1"

3
Cargo.toml
View File

@@ -22,7 +22,7 @@ required-features = [ "os-target" ]
[features] [features]
default = [ "os-target" ] default = [ "os-target" ]
os-target = [ "clap", "home", "nix", "sysinfo", "ciborium/default", "tracing-subscriber", "async", "tracing-subscriber/env-filter", "libloading", "ciborium-io", "tracing-core" ] os-target = [ "clap", "home", "nix", "sysinfo", "ciborium/default", "tracing-subscriber", "async", "tracing-subscriber/env-filter", "libloading", "ciborium-io", "tracing-core" ]
wasm-target = [ "wasm-bindgen", "console_error_panic_hook", "wasm-bindgen-cli" ] wasm-target = [ "wasm-bindgen", "console_error_panic_hook", "wasm-bindgen-cli", "web-sys", "web-sys/Worker", "web-sys/Window", "web-sys/WorkerOptions", "web-sys/WorkerType" ]
async = ["tokio/net", "tokio", "tokio/rt-multi-thread", "tokio/io-util"] async = ["tokio/net", "tokio", "tokio/rt-multi-thread", "tokio/io-util"]
@@ -46,6 +46,7 @@ dyn-clone = "1.0.17"
wasm-bindgen = { version = "0.2.84", optional = true } wasm-bindgen = { version = "0.2.84", optional = true }
console_error_panic_hook = { version = "0.1.7", optional = true } console_error_panic_hook = { version = "0.1.7", optional = true }
wasm-bindgen-cli = { version = "0.2.92", optional = true } wasm-bindgen-cli = { version = "0.2.92", optional = true }
web-sys = { version = "0.3.70", optional = true }
# os dependencies # os dependencies
clap = { version = "4.4.11", features = ["cargo"], optional = true } clap = { version = "4.4.11", features = ["cargo"], optional = true }

47
src/core/instance/mod.rs
View File

@@ -397,23 +397,27 @@ impl Instance {
} }
pub fn spawn(&mut self, name: &str, func: impl FnOnce() -> MizeResult<()> + Send + 'static) -> MizeResult<()> { pub fn spawn(&mut self, name: &str, func: impl FnOnce() -> MizeResult<()> + Send + 'static) -> MizeResult<()> {
let threads_inner = self.threads.lock()?; let mut threads_inner = self.threads.lock()?;
let mut next_thread_id = self.next_thread_id.lock()?; let mut next_thread_id = self.next_thread_id.lock()?;
threads_inner.push((next_thread_id, name.to_owned())); threads_inner.push((*next_thread_id, name.to_owned()));
let to_spawn = move || { let my_thread_id_no_mutex_guard = *next_thread_id;
debug!("spawning thread: {}", name); let thread_mutex = self.threads.clone();
let my_thread_id = next_thread_id; let name_to_move = name.to_owned();
let to_spawn = move || -> MizeResult<()> {
debug!("spawning thread: {}", name_to_move);
let my_thread_id = my_thread_id_no_mutex_guard;
func()?; func()?;
let mut threads_inner = self.threads.lock()?; let mut threads_inner = thread_mutex.lock()?;
threads_inner = threads_inner.into_iter().filter(|el| match el { *threads_inner = threads_inner.clone().into_iter().filter(|el| match el {
(my_thread_id, _) => false, (my_thread_id, _) => false,
(_, _) => true, (_, _) => true,
}); }).collect();
debug!("thread '{}' stopped", name); debug!("thread '{}' stopped", name_to_move);
Ok(())
}; };
*next_thread_id += 1; *next_thread_id += 1;
@@ -422,7 +426,7 @@ impl Instance {
thread::spawn(move || to_spawn()); thread::spawn(move || to_spawn());
#[cfg(feature = "wasm-target")] #[cfg(feature = "wasm-target")]
crate::platform::wasm::wasm_spawn(move || to_spawn())?; crate::platform::wasm::wasm_spawn(to_spawn)?;
Ok(()) Ok(())
} }
@@ -452,12 +456,22 @@ impl Instance {
return Ok(data); return Ok(data);
} }
#[cfg(feature = "async")] #[cfg(feature = "async")]
pub fn spawn_async<F: Future<Output = impl Send + Sync + 'static> + Send + Sync + 'static>(&mut self, name: &str, func: F) { pub fn spawn_async<F: Future<Output = impl Send + Sync + 'static> + Send + Sync + 'static>(&mut self, name: &str, func: F) -> MizeResult<()> {
self.threads.push(name.to_owned()); let mut threads_inner = self.threads.lock()?;
let mut next_thread_id = self.next_thread_id.lock()?;
threads_inner.push((*next_thread_id, name.to_owned()));
let runtime_inner = self.runtime.lock().unwrap(); let runtime_inner = self.runtime.lock().unwrap();
runtime_inner.spawn(func); runtime_inner.spawn(func);
*next_thread_id += 1;
Ok(())
} }
#[cfg(feature = "async")] #[cfg(feature = "async")]
pub fn async_get_handle(&self) -> Handle { pub fn async_get_handle(&self) -> Handle {
let runtime_inner = self.runtime.lock().unwrap(); let runtime_inner = self.runtime.lock().unwrap();
@@ -467,13 +481,18 @@ impl Instance {
#[cfg(feature = "async")] #[cfg(feature = "async")]
pub fn spawn_async_blocking<F: Future<Output = impl Send + Sync + 'static> + Send + Sync + 'static>(&mut self, name: &str, func: F) -> F::Output { pub fn spawn_async_blocking<F: Future<Output = impl Send + Sync + 'static> + Send + Sync + 'static>(&mut self, name: &str, func: F) -> F::Output {
use std::process::Output;
self.threads.push(name.to_owned()); let mut threads_inner = self.threads.lock().expect("mutex lock failed in spawn_async_blocking");
let mut next_thread_id = self.next_thread_id.lock().expect("mutex lock failed in spawn_async_blocking");
threads_inner.push((*next_thread_id, name.to_owned()));
let runtime_inner = self.runtime.lock().unwrap(); let runtime_inner = self.runtime.lock().unwrap();
let handle = runtime_inner.handle().to_owned(); let handle = runtime_inner.handle().to_owned();
drop(runtime_inner); drop(runtime_inner);
let result = handle.block_on(func); let result = handle.block_on(func);
*next_thread_id += 1;
return result; return result;
} }

71
src/platform/wasm/mod.rs
View File

@@ -1,10 +1,15 @@
use wasm_bindgen::prelude::*; use wasm_bindgen::prelude::*;
use std::ptr::NonNull; use std::ptr::NonNull;
use std::panic; use std::panic;
use web_sys::js_sys;
use crate::platform::wasm::js_sys::Function;
use web_sys::{WorkerOptions, WorkerType};
use web_sys::Worker;
use crate::instance::{self, Instance}; use crate::instance::{self, Instance};
use crate::error::MizeResult; use crate::error::MizeResult;
use crate::Module; use crate::{mize_err, Module};
use crate::MizeError;
// console_log macro // console_log macro
@@ -30,28 +35,62 @@ static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
// A function imitating `std::thread::spawn`. // A function imitating `std::thread::spawn`.
// thanks to: https://www.tweag.io/blog/2022-11-24-wasm-threads-and-messages/ // thanks to: https://www.tweag.io/blog/2022-11-24-wasm-threads-and-messages/
pub fn wasm_spawn(f: impl FnOnce() + Send + 'static) -> MizeResult<()> { pub fn wasm_spawn(f: impl FnOnce() -> MizeResult<()> + Send + 'static) -> MizeResult<()> {
let worker = web_sys::Worker::new("./worker.js")?;
// Double-boxing because `dyn FnOnce` is unsized and so `Box<dyn FnOnce()>` is a fat pointer.
// But `Box<Box<dyn FnOnce()>>` is just a plain pointer, and since wasm has 32-bit pointers,
// we can cast it to a `u32` and back.
let ptr = Box::into_raw(Box::new(Box::new(f) as Box<dyn FnOnce()>));
let msg = js_sys::Array::new();
// Send the worker a reference to our memory chunk, so it can initialize a wasm module
// using the same memory.
msg.push(&wasm_bindgen::memory());
// Also send the worker the address of the closure we want to execute.
msg.push(&JsValue::from(ptr as u32));
worker.post_message(&msg);
Ok(())
// to get window.mize_worker_url, which is set by some js code, which gets "compiled" by a
// bundler, which sets window.mize_worker_url to the url of ./npm_pkg/worker.js
// I hate the js ecosystem....
// those urls then become base64 data urls containing the js code...... i hate my life
// import worker from './worker.js?worker' ..... does however crate a worker-hash.js file in
// the dist dir......
// this is then however a function, that creates the worker.... so put that at
// window.mize_worker_fn and call that here
//let js_fn_code = r#"
//return window.mize_worker_url
//"#;
//let js_fn = Function::new_no_args(js_fn_code);
//let res = js_fn.call0(&web_sys::wasm_bindgen::JsValue::NULL).unwrap();
let window_obj = JsValue::from(web_sys::window().unwrap());
let worker_fn: Function = js_sys::Reflect::get(&window_obj, &("mize_worker_fn".into())).unwrap().into();
let worker: Worker = worker_fn.call0(&web_sys::wasm_bindgen::JsValue::NULL).unwrap().into();
/*
let worker_url_href = js_sys::Reflect::get(&worker_url_obj, &("href".into())).unwrap();
let worker_url = worker_url_href.as_string().unwrap();
let mut worker_options = WorkerOptions::new();
worker_options.set_type(WorkerType::Module);
let worker = web_sys::Worker::new_with_options(
worker_url.as_str(),
&worker_options
).map_err(|e| mize_err!("From JsValue: {:?}", e))?;
*/
// Double-boxing because `dyn FnOnce` is unsized and so `Box<dyn FnOnce()>` is a fat pointer.
// But `Box<Box<dyn FnOnce()>>` is just a plain pointer, and since wasm has 32-bit pointers,
// we can cast it to a `u32` and back.
let ptr = Box::into_raw(Box::new(Box::new(f) as Box<dyn FnOnce() -> MizeResult<()>>));
let msg = js_sys::Array::new();
// Send the worker a reference to our memory chunk, so it can initialize a wasm module
// using the same memory.
msg.push(&wasm_bindgen::memory());
// Also send the worker the address of the closure we want to execute.
msg.push(&JsValue::from(ptr as u32));
worker.post_message(&msg);
Ok(())
} }
#[wasm_bindgen] #[wasm_bindgen]
// This function is here for `worker.js` to call. // This function is here for `worker.js` to call.
pub fn worker_entry_point(addr: u32) { pub fn worker_entry_point(addr: u32) {
// Interpret the address we were given as a pointer to a closure to call. // Interpret the address we were given as a pointer to a closure to call.
let closure = unsafe { Box::from_raw(ptr as *mut Box<dyn FnOnce()>) }; let closure = unsafe { Box::from_raw(addr as *mut Box<dyn FnOnce()>) };
(*closure)(); (*closure)();
} }