mirror of
https://github.com/denoland/deno.git
synced 2024-12-30 02:59:11 -05:00
868 lines
25 KiB
Rust
868 lines
25 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
|
|
|
|
pub use impl_::*;
|
|
|
|
pub struct ChildPipeFd(pub i64);
|
|
|
|
mod impl_ {
|
|
use std::cell::RefCell;
|
|
use std::future::Future;
|
|
use std::io;
|
|
use std::mem;
|
|
use std::pin::Pin;
|
|
use std::rc::Rc;
|
|
use std::sync::atomic::AtomicBool;
|
|
use std::sync::atomic::AtomicUsize;
|
|
use std::task::ready;
|
|
use std::task::Context;
|
|
use std::task::Poll;
|
|
|
|
use deno_core::op2;
|
|
use deno_core::serde;
|
|
use deno_core::serde::Serializer;
|
|
use deno_core::serde_json;
|
|
use deno_core::v8;
|
|
use deno_core::AsyncRefCell;
|
|
use deno_core::CancelFuture;
|
|
use deno_core::CancelHandle;
|
|
use deno_core::ExternalOpsTracker;
|
|
use deno_core::OpState;
|
|
use deno_core::RcRef;
|
|
use deno_core::ResourceId;
|
|
use deno_core::ToV8;
|
|
use memchr::memchr;
|
|
use pin_project_lite::pin_project;
|
|
use serde::Serialize;
|
|
use tokio::io::AsyncRead;
|
|
use tokio::io::AsyncWriteExt;
|
|
use tokio::io::ReadBuf;
|
|
|
|
use deno_io::BiPipe;
|
|
use deno_io::BiPipeRead;
|
|
use deno_io::BiPipeWrite;
|
|
|
|
/// Wrapper around v8 value that implements Serialize.
|
|
struct SerializeWrapper<'a, 'b>(
|
|
RefCell<&'b mut v8::HandleScope<'a>>,
|
|
v8::Local<'a, v8::Value>,
|
|
);
|
|
|
|
impl<'a, 'b> Serialize for SerializeWrapper<'a, 'b> {
|
|
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
|
|
where
|
|
S: Serializer,
|
|
{
|
|
serialize_v8_value(*self.0.borrow_mut(), self.1, serializer)
|
|
}
|
|
}
|
|
|
|
/// Serialize a v8 value directly into a serde serializer.
|
|
/// This allows us to go from v8 values to JSON without having to
|
|
/// deserialize into a `serde_json::Value` and then reserialize to JSON
|
|
fn serialize_v8_value<'a, S: Serializer>(
|
|
scope: &mut v8::HandleScope<'a>,
|
|
value: v8::Local<'a, v8::Value>,
|
|
ser: S,
|
|
) -> Result<S::Ok, S::Error> {
|
|
use serde::ser::Error;
|
|
if value.is_null_or_undefined() {
|
|
ser.serialize_unit()
|
|
} else if value.is_number() || value.is_number_object() {
|
|
let num_value = value.number_value(scope).unwrap();
|
|
if (num_value as i64 as f64) == num_value {
|
|
ser.serialize_i64(num_value as i64)
|
|
} else {
|
|
ser.serialize_f64(num_value)
|
|
}
|
|
} else if value.is_string() {
|
|
let str = deno_core::serde_v8::to_utf8(value.try_into().unwrap(), scope);
|
|
ser.serialize_str(&str)
|
|
} else if value.is_string_object() {
|
|
let str = deno_core::serde_v8::to_utf8(
|
|
value.to_string(scope).ok_or_else(|| {
|
|
S::Error::custom(deno_core::error::generic_error(
|
|
"toString on string object failed",
|
|
))
|
|
})?,
|
|
scope,
|
|
);
|
|
ser.serialize_str(&str)
|
|
} else if value.is_boolean() {
|
|
ser.serialize_bool(value.is_true())
|
|
} else if value.is_boolean_object() {
|
|
ser.serialize_bool(value.boolean_value(scope))
|
|
} else if value.is_array() {
|
|
use serde::ser::SerializeSeq;
|
|
let array = value.cast::<v8::Array>();
|
|
let length = array.length();
|
|
let mut seq = ser.serialize_seq(Some(length as usize))?;
|
|
for i in 0..length {
|
|
let element = array.get_index(scope, i).unwrap();
|
|
seq
|
|
.serialize_element(&SerializeWrapper(RefCell::new(scope), element))?;
|
|
}
|
|
seq.end()
|
|
} else if value.is_object() {
|
|
use serde::ser::SerializeMap;
|
|
if value.is_array_buffer_view() {
|
|
let buffer = value.cast::<v8::ArrayBufferView>();
|
|
let mut buf = vec![0u8; buffer.byte_length()];
|
|
let copied = buffer.copy_contents(&mut buf);
|
|
debug_assert_eq!(copied, buf.len());
|
|
return ser.serialize_bytes(&buf);
|
|
}
|
|
let object = value.cast::<v8::Object>();
|
|
// node uses `JSON.stringify`, so to match its behavior (and allow serializing custom objects)
|
|
// we need to respect the `toJSON` method if it exists.
|
|
let to_json_key = v8::String::new_from_utf8(
|
|
scope,
|
|
b"toJSON",
|
|
v8::NewStringType::Internalized,
|
|
)
|
|
.unwrap()
|
|
.into();
|
|
if let Some(to_json) = object.get(scope, to_json_key) {
|
|
if let Ok(to_json) = to_json.try_cast::<v8::Function>() {
|
|
let json_value = to_json.call(scope, object.into(), &[]).unwrap();
|
|
return serialize_v8_value(scope, json_value, ser);
|
|
}
|
|
}
|
|
|
|
let keys = object
|
|
.get_own_property_names(
|
|
scope,
|
|
v8::GetPropertyNamesArgs {
|
|
..Default::default()
|
|
},
|
|
)
|
|
.unwrap();
|
|
let num_keys = keys.length();
|
|
let mut map = ser.serialize_map(Some(num_keys as usize))?;
|
|
for i in 0..num_keys {
|
|
let key = keys.get_index(scope, i).unwrap();
|
|
let key_str = key.to_rust_string_lossy(scope);
|
|
let value = object.get(scope, key).unwrap();
|
|
if value.is_undefined() {
|
|
continue;
|
|
}
|
|
map.serialize_entry(
|
|
&key_str,
|
|
&SerializeWrapper(RefCell::new(scope), value),
|
|
)?;
|
|
}
|
|
map.end()
|
|
} else {
|
|
// TODO(nathanwhit): better error message
|
|
Err(S::Error::custom(deno_core::error::type_error(format!(
|
|
"Unsupported type: {}",
|
|
value.type_repr()
|
|
))))
|
|
}
|
|
}
|
|
|
|
// Open IPC pipe from bootstrap options.
|
|
#[op2]
|
|
#[smi]
|
|
pub fn op_node_child_ipc_pipe(
|
|
state: &mut OpState,
|
|
) -> Result<Option<ResourceId>, io::Error> {
|
|
let fd = match state.try_borrow_mut::<crate::ChildPipeFd>() {
|
|
Some(child_pipe_fd) => child_pipe_fd.0,
|
|
None => return Ok(None),
|
|
};
|
|
let ref_tracker = IpcRefTracker::new(state.external_ops_tracker.clone());
|
|
Ok(Some(
|
|
state
|
|
.resource_table
|
|
.add(IpcJsonStreamResource::new(fd, ref_tracker)?),
|
|
))
|
|
}
|
|
|
|
#[derive(Debug, thiserror::Error)]
|
|
pub enum IpcError {
|
|
#[error(transparent)]
|
|
Resource(deno_core::error::AnyError),
|
|
#[error(transparent)]
|
|
IpcJsonStream(#[from] IpcJsonStreamError),
|
|
#[error(transparent)]
|
|
Canceled(#[from] deno_core::Canceled),
|
|
#[error("failed to serialize json value: {0}")]
|
|
SerdeJson(serde_json::Error),
|
|
}
|
|
|
|
#[op2(async)]
|
|
pub fn op_node_ipc_write<'a>(
|
|
scope: &mut v8::HandleScope<'a>,
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
value: v8::Local<'a, v8::Value>,
|
|
// using an array as an "out parameter".
|
|
// index 0 is a boolean indicating whether the queue is under the limit.
|
|
//
|
|
// ideally we would just return `Result<(impl Future, bool), ..>`, but that's not
|
|
// supported by `op2` currently.
|
|
queue_ok: v8::Local<'a, v8::Array>,
|
|
) -> Result<impl Future<Output = Result<(), io::Error>>, IpcError> {
|
|
let mut serialized = Vec::with_capacity(64);
|
|
let mut ser = serde_json::Serializer::new(&mut serialized);
|
|
serialize_v8_value(scope, value, &mut ser).map_err(IpcError::SerdeJson)?;
|
|
serialized.push(b'\n');
|
|
|
|
let stream = state
|
|
.borrow()
|
|
.resource_table
|
|
.get::<IpcJsonStreamResource>(rid)
|
|
.map_err(IpcError::Resource)?;
|
|
let old = stream
|
|
.queued_bytes
|
|
.fetch_add(serialized.len(), std::sync::atomic::Ordering::Relaxed);
|
|
if old + serialized.len() > 2 * INITIAL_CAPACITY {
|
|
// sending messages too fast
|
|
let v = false.to_v8(scope).unwrap(); // Infallible
|
|
queue_ok.set_index(scope, 0, v);
|
|
}
|
|
Ok(async move {
|
|
let cancel = stream.cancel.clone();
|
|
let result = stream
|
|
.clone()
|
|
.write_msg_bytes(&serialized)
|
|
.or_cancel(cancel)
|
|
.await;
|
|
// adjust count even on error
|
|
stream
|
|
.queued_bytes
|
|
.fetch_sub(serialized.len(), std::sync::atomic::Ordering::Relaxed);
|
|
result??;
|
|
Ok(())
|
|
})
|
|
}
|
|
|
|
/// Value signaling that the other end ipc channel has closed.
|
|
///
|
|
/// Node reserves objects of this form (`{ "cmd": "NODE_<something>"`)
|
|
/// for internal use, so we use it here as well to avoid breaking anyone.
|
|
fn stop_sentinel() -> serde_json::Value {
|
|
serde_json::json!({
|
|
"cmd": "NODE_CLOSE"
|
|
})
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[serde]
|
|
pub async fn op_node_ipc_read(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<serde_json::Value, IpcError> {
|
|
let stream = state
|
|
.borrow()
|
|
.resource_table
|
|
.get::<IpcJsonStreamResource>(rid)
|
|
.map_err(IpcError::Resource)?;
|
|
|
|
let cancel = stream.cancel.clone();
|
|
let mut stream = RcRef::map(stream, |r| &r.read_half).borrow_mut().await;
|
|
let msgs = stream.read_msg().or_cancel(cancel).await??;
|
|
if let Some(msg) = msgs {
|
|
Ok(msg)
|
|
} else {
|
|
Ok(stop_sentinel())
|
|
}
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_node_ipc_ref(state: &mut OpState, #[smi] rid: ResourceId) {
|
|
let stream = state
|
|
.resource_table
|
|
.get::<IpcJsonStreamResource>(rid)
|
|
.expect("Invalid resource ID");
|
|
stream.ref_tracker.ref_();
|
|
}
|
|
|
|
#[op2(fast)]
|
|
pub fn op_node_ipc_unref(state: &mut OpState, #[smi] rid: ResourceId) {
|
|
let stream = state
|
|
.resource_table
|
|
.get::<IpcJsonStreamResource>(rid)
|
|
.expect("Invalid resource ID");
|
|
stream.ref_tracker.unref();
|
|
}
|
|
|
|
/// Tracks whether the IPC resources is currently
|
|
/// refed, and allows refing/unrefing it.
|
|
pub struct IpcRefTracker {
|
|
refed: AtomicBool,
|
|
tracker: OpsTracker,
|
|
}
|
|
|
|
/// A little wrapper so we don't have to get an
|
|
/// `ExternalOpsTracker` for tests. When we aren't
|
|
/// cfg(test), this will get optimized out.
|
|
enum OpsTracker {
|
|
External(ExternalOpsTracker),
|
|
#[cfg(test)]
|
|
Test,
|
|
}
|
|
|
|
impl OpsTracker {
|
|
fn ref_(&self) {
|
|
match self {
|
|
Self::External(tracker) => tracker.ref_op(),
|
|
#[cfg(test)]
|
|
Self::Test => {}
|
|
}
|
|
}
|
|
|
|
fn unref(&self) {
|
|
match self {
|
|
Self::External(tracker) => tracker.unref_op(),
|
|
#[cfg(test)]
|
|
Self::Test => {}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl IpcRefTracker {
|
|
pub fn new(tracker: ExternalOpsTracker) -> Self {
|
|
Self {
|
|
refed: AtomicBool::new(false),
|
|
tracker: OpsTracker::External(tracker),
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
fn new_test() -> Self {
|
|
Self {
|
|
refed: AtomicBool::new(false),
|
|
tracker: OpsTracker::Test,
|
|
}
|
|
}
|
|
|
|
fn ref_(&self) {
|
|
if !self.refed.swap(true, std::sync::atomic::Ordering::AcqRel) {
|
|
self.tracker.ref_();
|
|
}
|
|
}
|
|
|
|
fn unref(&self) {
|
|
if self.refed.swap(false, std::sync::atomic::Ordering::AcqRel) {
|
|
self.tracker.unref();
|
|
}
|
|
}
|
|
}
|
|
|
|
pub struct IpcJsonStreamResource {
|
|
read_half: AsyncRefCell<IpcJsonStream>,
|
|
write_half: AsyncRefCell<BiPipeWrite>,
|
|
cancel: Rc<CancelHandle>,
|
|
queued_bytes: AtomicUsize,
|
|
ref_tracker: IpcRefTracker,
|
|
}
|
|
|
|
impl deno_core::Resource for IpcJsonStreamResource {
|
|
fn close(self: Rc<Self>) {
|
|
self.cancel.cancel();
|
|
}
|
|
}
|
|
|
|
impl IpcJsonStreamResource {
|
|
pub fn new(
|
|
stream: i64,
|
|
ref_tracker: IpcRefTracker,
|
|
) -> Result<Self, std::io::Error> {
|
|
let (read_half, write_half) = BiPipe::from_raw(stream as _)?.split();
|
|
Ok(Self {
|
|
read_half: AsyncRefCell::new(IpcJsonStream::new(read_half)),
|
|
write_half: AsyncRefCell::new(write_half),
|
|
cancel: Default::default(),
|
|
queued_bytes: Default::default(),
|
|
ref_tracker,
|
|
})
|
|
}
|
|
|
|
#[cfg(all(unix, test))]
|
|
fn from_stream(
|
|
stream: tokio::net::UnixStream,
|
|
ref_tracker: IpcRefTracker,
|
|
) -> Self {
|
|
let (read_half, write_half) = stream.into_split();
|
|
Self {
|
|
read_half: AsyncRefCell::new(IpcJsonStream::new(read_half.into())),
|
|
write_half: AsyncRefCell::new(write_half.into()),
|
|
cancel: Default::default(),
|
|
queued_bytes: Default::default(),
|
|
ref_tracker,
|
|
}
|
|
}
|
|
|
|
#[cfg(all(windows, test))]
|
|
fn from_stream(
|
|
pipe: tokio::net::windows::named_pipe::NamedPipeClient,
|
|
ref_tracker: IpcRefTracker,
|
|
) -> Self {
|
|
let (read_half, write_half) = tokio::io::split(pipe);
|
|
Self {
|
|
read_half: AsyncRefCell::new(IpcJsonStream::new(read_half.into())),
|
|
write_half: AsyncRefCell::new(write_half.into()),
|
|
cancel: Default::default(),
|
|
queued_bytes: Default::default(),
|
|
ref_tracker,
|
|
}
|
|
}
|
|
|
|
/// writes _newline terminated_ JSON message to the IPC pipe.
|
|
async fn write_msg_bytes(
|
|
self: Rc<Self>,
|
|
msg: &[u8],
|
|
) -> Result<(), io::Error> {
|
|
let mut write_half =
|
|
RcRef::map(self, |r| &r.write_half).borrow_mut().await;
|
|
write_half.write_all(msg).await?;
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
// Initial capacity of the buffered reader and the JSON backing buffer.
|
|
//
|
|
// This is a tradeoff between memory usage and performance on large messages.
|
|
//
|
|
// 64kb has been chosen after benchmarking 64 to 66536 << 6 - 1 bytes per message.
|
|
const INITIAL_CAPACITY: usize = 1024 * 64;
|
|
|
|
/// A buffer for reading from the IPC pipe.
|
|
/// Similar to the internal buffer of `tokio::io::BufReader`.
|
|
///
|
|
/// This exists to provide buffered reading while granting mutable access
|
|
/// to the internal buffer (which isn't exposed through `tokio::io::BufReader`
|
|
/// or the `AsyncBufRead` trait). `simd_json` requires mutable access to an input
|
|
/// buffer for parsing, so this allows us to use the read buffer directly as the
|
|
/// input buffer without a copy (provided the message fits).
|
|
struct ReadBuffer {
|
|
buffer: Box<[u8]>,
|
|
pos: usize,
|
|
cap: usize,
|
|
}
|
|
|
|
impl ReadBuffer {
|
|
fn new() -> Self {
|
|
Self {
|
|
buffer: vec![0; INITIAL_CAPACITY].into_boxed_slice(),
|
|
pos: 0,
|
|
cap: 0,
|
|
}
|
|
}
|
|
|
|
fn get_mut(&mut self) -> &mut [u8] {
|
|
&mut self.buffer
|
|
}
|
|
|
|
fn available_mut(&mut self) -> &mut [u8] {
|
|
&mut self.buffer[self.pos..self.cap]
|
|
}
|
|
|
|
fn consume(&mut self, n: usize) {
|
|
self.pos = std::cmp::min(self.pos + n, self.cap);
|
|
}
|
|
|
|
fn needs_fill(&self) -> bool {
|
|
self.pos >= self.cap
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, thiserror::Error)]
|
|
pub enum IpcJsonStreamError {
|
|
#[error("{0}")]
|
|
Io(#[source] std::io::Error),
|
|
#[error("{0}")]
|
|
SimdJson(#[source] simd_json::Error),
|
|
}
|
|
|
|
// JSON serialization stream over IPC pipe.
|
|
//
|
|
// `\n` is used as a delimiter between messages.
|
|
struct IpcJsonStream {
|
|
pipe: BiPipeRead,
|
|
buffer: Vec<u8>,
|
|
read_buffer: ReadBuffer,
|
|
}
|
|
|
|
impl IpcJsonStream {
|
|
fn new(pipe: BiPipeRead) -> Self {
|
|
Self {
|
|
pipe,
|
|
buffer: Vec::with_capacity(INITIAL_CAPACITY),
|
|
read_buffer: ReadBuffer::new(),
|
|
}
|
|
}
|
|
|
|
async fn read_msg(
|
|
&mut self,
|
|
) -> Result<Option<serde_json::Value>, IpcJsonStreamError> {
|
|
let mut json = None;
|
|
let nread = read_msg_inner(
|
|
&mut self.pipe,
|
|
&mut self.buffer,
|
|
&mut json,
|
|
&mut self.read_buffer,
|
|
)
|
|
.await
|
|
.map_err(IpcJsonStreamError::Io)?;
|
|
if nread == 0 {
|
|
// EOF.
|
|
return Ok(None);
|
|
}
|
|
|
|
let json = match json {
|
|
Some(v) => v,
|
|
None => {
|
|
// Took more than a single read and some buffering.
|
|
simd_json::from_slice(&mut self.buffer[..nread])
|
|
.map_err(IpcJsonStreamError::SimdJson)?
|
|
}
|
|
};
|
|
|
|
// Safety: Same as `Vec::clear` but without the `drop_in_place` for
|
|
// each element (nop for u8). Capacity remains the same.
|
|
unsafe {
|
|
self.buffer.set_len(0);
|
|
}
|
|
|
|
Ok(Some(json))
|
|
}
|
|
}
|
|
|
|
pin_project! {
|
|
#[must_use = "futures do nothing unless you `.await` or poll them"]
|
|
struct ReadMsgInner<'a, R: ?Sized> {
|
|
reader: &'a mut R,
|
|
buf: &'a mut Vec<u8>,
|
|
json: &'a mut Option<serde_json::Value>,
|
|
// The number of bytes appended to buf. This can be less than buf.len() if
|
|
// the buffer was not empty when the operation was started.
|
|
read: usize,
|
|
read_buffer: &'a mut ReadBuffer,
|
|
}
|
|
}
|
|
|
|
fn read_msg_inner<'a, R>(
|
|
reader: &'a mut R,
|
|
buf: &'a mut Vec<u8>,
|
|
json: &'a mut Option<serde_json::Value>,
|
|
read_buffer: &'a mut ReadBuffer,
|
|
) -> ReadMsgInner<'a, R>
|
|
where
|
|
R: AsyncRead + ?Sized + Unpin,
|
|
{
|
|
ReadMsgInner {
|
|
reader,
|
|
buf,
|
|
json,
|
|
read: 0,
|
|
read_buffer,
|
|
}
|
|
}
|
|
|
|
fn read_msg_internal<R: AsyncRead + ?Sized>(
|
|
mut reader: Pin<&mut R>,
|
|
cx: &mut Context<'_>,
|
|
buf: &mut Vec<u8>,
|
|
read_buffer: &mut ReadBuffer,
|
|
json: &mut Option<serde_json::Value>,
|
|
read: &mut usize,
|
|
) -> Poll<io::Result<usize>> {
|
|
loop {
|
|
let (done, used) = {
|
|
// effectively a tiny `poll_fill_buf`, but allows us to get a mutable reference to the buffer.
|
|
if read_buffer.needs_fill() {
|
|
let mut read_buf = ReadBuf::new(read_buffer.get_mut());
|
|
ready!(reader.as_mut().poll_read(cx, &mut read_buf))?;
|
|
read_buffer.cap = read_buf.filled().len();
|
|
read_buffer.pos = 0;
|
|
}
|
|
let available = read_buffer.available_mut();
|
|
if let Some(i) = memchr(b'\n', available) {
|
|
if *read == 0 {
|
|
// Fast path: parse and put into the json slot directly.
|
|
json.replace(
|
|
simd_json::from_slice(&mut available[..i + 1])
|
|
.map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?,
|
|
);
|
|
} else {
|
|
// This is not the first read, so we have to copy the data
|
|
// to make it contiguous.
|
|
buf.extend_from_slice(&available[..=i]);
|
|
}
|
|
(true, i + 1)
|
|
} else {
|
|
buf.extend_from_slice(available);
|
|
(false, available.len())
|
|
}
|
|
};
|
|
|
|
read_buffer.consume(used);
|
|
*read += used;
|
|
if done || used == 0 {
|
|
return Poll::Ready(Ok(mem::replace(read, 0)));
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<R: AsyncRead + ?Sized + Unpin> Future for ReadMsgInner<'_, R> {
|
|
type Output = io::Result<usize>;
|
|
|
|
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
|
|
let me = self.project();
|
|
read_msg_internal(
|
|
Pin::new(*me.reader),
|
|
cx,
|
|
me.buf,
|
|
me.read_buffer,
|
|
me.json,
|
|
me.read,
|
|
)
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::IpcJsonStreamResource;
|
|
use deno_core::serde_json::json;
|
|
use deno_core::v8;
|
|
use deno_core::JsRuntime;
|
|
use deno_core::RcRef;
|
|
use deno_core::RuntimeOptions;
|
|
use std::rc::Rc;
|
|
|
|
#[allow(clippy::unused_async)]
|
|
#[cfg(unix)]
|
|
pub async fn pair() -> (Rc<IpcJsonStreamResource>, tokio::net::UnixStream) {
|
|
let (a, b) = tokio::net::UnixStream::pair().unwrap();
|
|
|
|
/* Similar to how ops would use the resource */
|
|
let a = Rc::new(IpcJsonStreamResource::from_stream(
|
|
a,
|
|
super::IpcRefTracker::new_test(),
|
|
));
|
|
(a, b)
|
|
}
|
|
|
|
#[cfg(windows)]
|
|
pub async fn pair() -> (
|
|
Rc<IpcJsonStreamResource>,
|
|
tokio::net::windows::named_pipe::NamedPipeServer,
|
|
) {
|
|
use tokio::net::windows::named_pipe::ClientOptions;
|
|
use tokio::net::windows::named_pipe::ServerOptions;
|
|
|
|
let name =
|
|
format!(r"\\.\pipe\deno-named-pipe-test-{}", rand::random::<u32>());
|
|
|
|
let server = ServerOptions::new().create(name.clone()).unwrap();
|
|
let client = ClientOptions::new().open(name).unwrap();
|
|
|
|
server.connect().await.unwrap();
|
|
/* Similar to how ops would use the resource */
|
|
let client = Rc::new(IpcJsonStreamResource::from_stream(
|
|
client,
|
|
super::IpcRefTracker::new_test(),
|
|
));
|
|
(client, server)
|
|
}
|
|
|
|
#[allow(clippy::print_stdout)]
|
|
#[tokio::test]
|
|
async fn bench_ipc() -> Result<(), Box<dyn std::error::Error>> {
|
|
// A simple round trip benchmark for quick dev feedback.
|
|
//
|
|
// Only ran when the env var is set.
|
|
if std::env::var_os("BENCH_IPC_DENO").is_none() {
|
|
return Ok(());
|
|
}
|
|
|
|
let (ipc, mut fd2) = pair().await;
|
|
let child = tokio::spawn(async move {
|
|
use tokio::io::AsyncWriteExt;
|
|
|
|
let size = 1024 * 1024;
|
|
|
|
let stri = "x".repeat(size);
|
|
let data = format!("\"{}\"\n", stri);
|
|
for _ in 0..100 {
|
|
fd2.write_all(data.as_bytes()).await?;
|
|
}
|
|
Ok::<_, std::io::Error>(())
|
|
});
|
|
|
|
let start = std::time::Instant::now();
|
|
let mut bytes = 0;
|
|
|
|
let mut ipc = RcRef::map(ipc, |r| &r.read_half).borrow_mut().await;
|
|
loop {
|
|
let Some(msgs) = ipc.read_msg().await? else {
|
|
break;
|
|
};
|
|
bytes += msgs.as_str().unwrap().len();
|
|
if start.elapsed().as_secs() > 5 {
|
|
break;
|
|
}
|
|
}
|
|
let elapsed = start.elapsed();
|
|
let mb = bytes as f64 / 1024.0 / 1024.0;
|
|
println!("{} mb/s", mb / elapsed.as_secs_f64());
|
|
|
|
child.await??;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn unix_ipc_json() -> Result<(), Box<dyn std::error::Error>> {
|
|
let (ipc, mut fd2) = pair().await;
|
|
let child = tokio::spawn(async move {
|
|
use tokio::io::AsyncReadExt;
|
|
use tokio::io::AsyncWriteExt;
|
|
|
|
const EXPECTED: &[u8] = b"\"hello\"\n";
|
|
let mut buf = [0u8; EXPECTED.len()];
|
|
let n = fd2.read_exact(&mut buf).await?;
|
|
assert_eq!(&buf[..n], EXPECTED);
|
|
fd2.write_all(b"\"world\"\n").await?;
|
|
|
|
Ok::<_, std::io::Error>(())
|
|
});
|
|
|
|
ipc
|
|
.clone()
|
|
.write_msg_bytes(&json_to_bytes(json!("hello")))
|
|
.await?;
|
|
|
|
let mut ipc = RcRef::map(ipc, |r| &r.read_half).borrow_mut().await;
|
|
let msgs = ipc.read_msg().await?.unwrap();
|
|
assert_eq!(msgs, json!("world"));
|
|
|
|
child.await??;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn json_to_bytes(v: deno_core::serde_json::Value) -> Vec<u8> {
|
|
let mut buf = deno_core::serde_json::to_vec(&v).unwrap();
|
|
buf.push(b'\n');
|
|
buf
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn unix_ipc_json_multi() -> Result<(), Box<dyn std::error::Error>> {
|
|
let (ipc, mut fd2) = pair().await;
|
|
let child = tokio::spawn(async move {
|
|
use tokio::io::AsyncReadExt;
|
|
use tokio::io::AsyncWriteExt;
|
|
|
|
const EXPECTED: &[u8] = b"\"hello\"\n\"world\"\n";
|
|
let mut buf = [0u8; EXPECTED.len()];
|
|
let n = fd2.read_exact(&mut buf).await?;
|
|
assert_eq!(&buf[..n], EXPECTED);
|
|
fd2.write_all(b"\"foo\"\n\"bar\"\n").await?;
|
|
Ok::<_, std::io::Error>(())
|
|
});
|
|
|
|
ipc
|
|
.clone()
|
|
.write_msg_bytes(&json_to_bytes(json!("hello")))
|
|
.await?;
|
|
ipc
|
|
.clone()
|
|
.write_msg_bytes(&json_to_bytes(json!("world")))
|
|
.await?;
|
|
|
|
let mut ipc = RcRef::map(ipc, |r| &r.read_half).borrow_mut().await;
|
|
let msgs = ipc.read_msg().await?.unwrap();
|
|
assert_eq!(msgs, json!("foo"));
|
|
|
|
child.await??;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn unix_ipc_json_invalid() -> Result<(), Box<dyn std::error::Error>> {
|
|
let (ipc, mut fd2) = pair().await;
|
|
let child = tokio::spawn(async move {
|
|
tokio::io::AsyncWriteExt::write_all(&mut fd2, b"\n\n").await?;
|
|
Ok::<_, std::io::Error>(())
|
|
});
|
|
|
|
let mut ipc = RcRef::map(ipc, |r| &r.read_half).borrow_mut().await;
|
|
let _err = ipc.read_msg().await.unwrap_err();
|
|
|
|
child.await??;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn memchr() {
|
|
let str = b"hello world";
|
|
assert_eq!(super::memchr(b'h', str), Some(0));
|
|
assert_eq!(super::memchr(b'w', str), Some(6));
|
|
assert_eq!(super::memchr(b'd', str), Some(10));
|
|
assert_eq!(super::memchr(b'x', str), None);
|
|
|
|
let empty = b"";
|
|
assert_eq!(super::memchr(b'\n', empty), None);
|
|
}
|
|
|
|
fn wrap_expr(s: &str) -> String {
|
|
format!("(function () {{ return {s}; }})()")
|
|
}
|
|
|
|
fn serialize_js_to_json(runtime: &mut JsRuntime, js: String) -> String {
|
|
let val = runtime.execute_script("", js).unwrap();
|
|
let scope = &mut runtime.handle_scope();
|
|
let val = v8::Local::new(scope, val);
|
|
let mut buf = Vec::new();
|
|
let mut ser = deno_core::serde_json::Serializer::new(&mut buf);
|
|
super::serialize_v8_value(scope, val, &mut ser).unwrap();
|
|
String::from_utf8(buf).unwrap()
|
|
}
|
|
|
|
#[test]
|
|
fn ipc_serialization() {
|
|
let mut runtime = JsRuntime::new(RuntimeOptions::default());
|
|
|
|
let cases = [
|
|
("'hello'", "\"hello\""),
|
|
("1", "1"),
|
|
("1.5", "1.5"),
|
|
("Number.NaN", "null"),
|
|
("Infinity", "null"),
|
|
("Number.MAX_SAFE_INTEGER", &(2i64.pow(53) - 1).to_string()),
|
|
(
|
|
"Number.MIN_SAFE_INTEGER",
|
|
&(-(2i64.pow(53) - 1)).to_string(),
|
|
),
|
|
("[1, 2, 3]", "[1,2,3]"),
|
|
("new Uint8Array([1,2,3])", "[1,2,3]"),
|
|
(
|
|
"{ a: 1.5, b: { c: new ArrayBuffer(5) }}",
|
|
r#"{"a":1.5,"b":{"c":{}}}"#,
|
|
),
|
|
("new Number(1)", "1"),
|
|
("new Boolean(true)", "true"),
|
|
("true", "true"),
|
|
(r#"new String("foo")"#, "\"foo\""),
|
|
("null", "null"),
|
|
(
|
|
r#"{ a: "field", toJSON() { return "custom"; } }"#,
|
|
"\"custom\"",
|
|
),
|
|
(r#"{ a: undefined, b: 1 }"#, "{\"b\":1}"),
|
|
];
|
|
|
|
for (input, expect) in cases {
|
|
let js = wrap_expr(input);
|
|
let actual = serialize_js_to_json(&mut runtime, js);
|
|
assert_eq!(actual, expect);
|
|
}
|
|
}
|
|
}
|
|
}
|