| use anyhow::{Result, anyhow, bail}; |
| use async_stream::try_stream as generator; |
| use futures::{ |
| SinkExt, StreamExt, TryStreamExt, |
| channel::mpsc::{UnboundedSender, unbounded}, |
| pin_mut, |
| }; |
| use parking_lot::Mutex; |
| use serde::{Deserialize, Serialize}; |
| use turbo_rcstr::{RcStr, rcstr}; |
| use turbo_tasks::{ |
| RawVc, ResolvedVc, TaskInput, ValueToString, Vc, VcValueType, duration_span, mark_finished, |
| prevent_gc, trace::TraceRawVcs, util::SharedError, |
| }; |
| use turbo_tasks_bytes::{Bytes, Stream}; |
| use turbo_tasks_env::ProcessEnv; |
| use turbo_tasks_fs::FileSystemPath; |
| use turbopack_core::{ |
| chunk::{ChunkingContext, EvaluatableAsset, EvaluatableAssets}, |
| error::PrettyPrintError, |
| issue::{IssueExt, StyledString}, |
| module::Module, |
| }; |
| use turbopack_dev_server::source::{Body, ProxyResult}; |
|
|
| use super::{ |
| RenderData, RenderProxyIncomingMessage, RenderProxyOutgoingMessage, ResponseHeaders, |
| issue::RenderingIssue, |
| }; |
| use crate::{ |
| get_intermediate_asset, get_renderer_pool_operation, pool::NodeJsOperation, |
| render::error_page::error_html, source_map::trace_stack, |
| }; |
|
|
| |
| #[turbo_tasks::function(operation)] |
| pub async fn render_proxy_operation( |
| cwd: FileSystemPath, |
| env: ResolvedVc<Box<dyn ProcessEnv>>, |
| path: FileSystemPath, |
| module: ResolvedVc<Box<dyn EvaluatableAsset>>, |
| runtime_entries: ResolvedVc<EvaluatableAssets>, |
| chunking_context: ResolvedVc<Box<dyn ChunkingContext>>, |
| intermediate_output_path: FileSystemPath, |
| output_root: FileSystemPath, |
| project_dir: FileSystemPath, |
| data: ResolvedVc<RenderData>, |
| body: ResolvedVc<Body>, |
| debug: bool, |
| ) -> Result<Vc<ProxyResult>> { |
| let render = render_stream(RenderStreamOptions { |
| cwd, |
| env, |
| path, |
| module, |
| runtime_entries, |
| chunking_context, |
| intermediate_output_path, |
| output_root, |
| project_dir, |
| data, |
| body, |
| debug, |
| }) |
| .await?; |
|
|
| let mut stream = render.read(); |
| let first = match stream.try_next().await? { |
| Some(f) => f, |
| None => { |
| |
| |
| bail!("did not receive response from render"); |
| } |
| }; |
|
|
| let RenderItem::Headers(data) = first else { |
| bail!("did not receive headers from render"); |
| }; |
|
|
| let body = Body::from_stream(stream.map(|item| match item { |
| Ok(RenderItem::BodyChunk(b)) => Ok(b), |
| Ok(v) => Err(SharedError::new(anyhow!( |
| "unexpected render item: {:#?}", |
| v |
| ))), |
| Err(e) => Err(e), |
| })); |
| let result = ProxyResult { |
| status: data.status, |
| headers: data.headers, |
| body, |
| }; |
|
|
| Ok(result.cell()) |
| } |
|
|
| async fn proxy_error( |
| path: FileSystemPath, |
| error: anyhow::Error, |
| operation: Option<NodeJsOperation>, |
| ) -> Result<(u16, RcStr)> { |
| let message = format!("{}", PrettyPrintError(&error)); |
|
|
| let status = match operation { |
| Some(operation) => Some(operation.wait_or_kill().await?), |
| None => None, |
| }; |
|
|
| let mut details = vec![]; |
| if let Some(status) = status { |
| details.push(format!("status: {status}")); |
| } |
|
|
| let status_code = 500; |
| let body = error_html( |
| status_code, |
| rcstr!("An error occurred while proxying the request to Node.js"), |
| format!("{message}\n\n{}", details.join("\n")).into(), |
| ) |
| .owned() |
| .await?; |
|
|
| RenderingIssue { |
| file_path: path, |
| message: StyledString::Text(message.into()).resolved_cell(), |
| status: status.and_then(|status| status.code()), |
| } |
| .resolved_cell() |
| .emit(); |
|
|
| Ok((status_code, body)) |
| } |
|
|
| #[derive(Clone, Debug)] |
| #[turbo_tasks::value] |
| enum RenderItem { |
| Headers(ResponseHeaders), |
| BodyChunk(Bytes), |
| } |
|
|
| type RenderItemResult = Result<RenderItem, SharedError>; |
|
|
| #[turbo_tasks::value(eq = "manual", cell = "new", serialization = "none")] |
| struct RenderStreamSender { |
| #[turbo_tasks(trace_ignore, debug_ignore)] |
| get: Box<dyn Fn() -> UnboundedSender<RenderItemResult> + Send + Sync>, |
| } |
|
|
| #[turbo_tasks::value(transparent)] |
| struct RenderStream(#[turbo_tasks(trace_ignore)] Stream<RenderItemResult>); |
|
|
| #[derive(Clone, Debug, TaskInput, PartialEq, Eq, Hash, Serialize, Deserialize, TraceRawVcs)] |
| struct RenderStreamOptions { |
| cwd: FileSystemPath, |
| env: ResolvedVc<Box<dyn ProcessEnv>>, |
| path: FileSystemPath, |
| module: ResolvedVc<Box<dyn EvaluatableAsset>>, |
| runtime_entries: ResolvedVc<EvaluatableAssets>, |
| chunking_context: ResolvedVc<Box<dyn ChunkingContext>>, |
| intermediate_output_path: FileSystemPath, |
| output_root: FileSystemPath, |
| project_dir: FileSystemPath, |
| data: ResolvedVc<RenderData>, |
| body: ResolvedVc<Body>, |
| debug: bool, |
| } |
|
|
| #[turbo_tasks::function] |
| fn render_stream(options: RenderStreamOptions) -> Vc<RenderStream> { |
| |
| |
| prevent_gc(); |
|
|
| |
| |
|
|
| |
| |
| let cell = turbo_tasks::macro_helpers::find_cell_by_type( |
| <RenderStream as VcValueType>::get_value_type_id(), |
| ); |
|
|
| |
| |
| let (sender, receiver) = unbounded(); |
| cell.update(RenderStream(Stream::new_open(vec![], Box::new(receiver)))); |
| let initial = Mutex::new(Some(sender)); |
|
|
| |
| let _ = render_stream_internal( |
| options, |
| RenderStreamSender { |
| get: Box::new(move || { |
| if let Some(sender) = initial.lock().take() { |
| sender |
| } else { |
| |
| |
| let (sender, receiver) = unbounded(); |
| cell.update(RenderStream(Stream::new_open(vec![], Box::new(receiver)))); |
| sender |
| } |
| }), |
| } |
| .cell(), |
| ); |
|
|
| let raw: RawVc = cell.into(); |
| raw.into() |
| } |
|
|
| #[turbo_tasks::function] |
| async fn render_stream_internal( |
| options: RenderStreamOptions, |
| sender: Vc<RenderStreamSender>, |
| ) -> Result<Vc<()>> { |
| let RenderStreamOptions { |
| cwd, |
| env, |
| path, |
| module, |
| runtime_entries, |
| chunking_context, |
| intermediate_output_path, |
| output_root, |
| project_dir, |
| data, |
| body, |
| debug, |
| } = options; |
|
|
| mark_finished(); |
| let Ok(sender) = sender.await else { |
| |
| return Ok(Default::default()); |
| }; |
|
|
| let stream = generator! { |
| let intermediate_asset = get_intermediate_asset( |
| *chunking_context, |
| *module, |
| *runtime_entries, |
| ).to_resolved().await?; |
| let pool_op = get_renderer_pool_operation( |
| cwd, |
| env, |
| intermediate_asset, |
| intermediate_output_path.clone(), |
| output_root, |
| project_dir.clone(), |
| debug, |
| ); |
|
|
| |
| |
| let pool = pool_op.read_strongly_consistent().await?; |
| let data = data.await?; |
| let mut operation = pool.operation().await?; |
|
|
| |
| operation |
| .send(RenderProxyOutgoingMessage::Headers { data: &data }) |
| .await?; |
| |
| let mut body = body.await?.read(); |
| while let Some(data) = body.next().await { |
| operation |
| .send(RenderProxyOutgoingMessage::BodyChunk { data: &data.unwrap() }) |
| .await?; |
| } |
| operation.send(RenderProxyOutgoingMessage::BodyEnd).await?; |
|
|
| let entry = module.ident().to_string().await?; |
| let guard = duration_span!("Node.js api execution", entry = display(entry)); |
|
|
| match operation.recv().await? { |
| RenderProxyIncomingMessage::Headers { data } => yield RenderItem::Headers(data), |
| RenderProxyIncomingMessage::Error(error) => { |
| drop(guard); |
| |
| |
| let trace = trace_stack( |
| error, |
| *intermediate_asset, |
| intermediate_output_path.clone(), |
| project_dir.clone() |
| ) |
| .await?; |
| let (status, body) = proxy_error(path, anyhow!("error rendering: {}", trace), Some(operation)).await?; |
| yield RenderItem::Headers(ResponseHeaders { |
| status, |
| headers: vec![( |
| rcstr!("content-type"), |
| rcstr!("text/html; charset=utf-8"), |
| )], |
| }); |
| yield RenderItem::BodyChunk(body.into_owned().into_bytes().into()); |
| return; |
| } |
| v => { |
| drop(guard); |
| Err(anyhow!("unexpected message during rendering: {:#?}", v))?; |
| return; |
| }, |
| }; |
|
|
| loop { |
| match operation.recv().await? { |
| RenderProxyIncomingMessage::BodyChunk { data } => { |
| yield RenderItem::BodyChunk(data.into()); |
| } |
| RenderProxyIncomingMessage::BodyEnd => break, |
| RenderProxyIncomingMessage::Error(error) => { |
| drop(guard); |
| |
| |
| operation.disallow_reuse(); |
| let trace = |
| trace_stack(error, *intermediate_asset, intermediate_output_path.clone(), project_dir.clone()).await?; |
| Err(anyhow!("error during streaming render: {}", trace))?; |
| return; |
| } |
| v => { |
| drop(guard); |
| Err(anyhow!("unexpected message during rendering: {:#?}", v))?; |
| return; |
| }, |
| } |
| } |
| drop(guard); |
| }; |
|
|
| let mut sender = (sender.get)(); |
| pin_mut!(stream); |
| while let Some(value) = stream.next().await { |
| if sender.send(value).await.is_err() { |
| return Ok(Default::default()); |
| } |
| if sender.flush().await.is_err() { |
| return Ok(Default::default()); |
| } |
| } |
|
|
| Ok(Default::default()) |
| } |
|
|