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feat(subscriber): support grpc-web and add grpc-web feature #498

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Feb 16, 2024
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fix: do not change server_with
Signed-off-by: hi-rustin <[email protected]>
  • Loading branch information
Rustin170506 committed Feb 10, 2024
commit 37acf978591121961938ac41517b1d81c793a09d
4 changes: 1 addition & 3 deletions console-subscriber/Cargo.toml
Original file line number Diff line number Diff line change
Expand Up @@ -28,10 +28,9 @@ keywords = [
default = ["env-filter"]
parking_lot = ["parking_lot_crate", "tracing-subscriber/parking_lot"]
env-filter = ["tracing-subscriber/env-filter"]
grpc-web = ["tonic-web", "tower-http", "tower"]
grpc-web = ["tonic-web", "tower-http"]

[dependencies]

crossbeam-utils = "0.8.7"
tokio = { version = "^1.21", features = ["sync", "time", "macros", "tracing"] }
tokio-stream = { version = "0.1", features = ["net"] }
Expand All @@ -58,7 +57,6 @@ crossbeam-channel = "0.5"
# Only for the web feature:
tonic-web = { version = "0.10.2", optional = true }
tower-http = { version = "0.4", features = ["cors"], optional = true }
tower = { version = "0.4", default-features = false, optional = true}

[dev-dependencies]
tokio = { version = "^1.21", features = ["full", "rt-multi-thread"] }
Expand Down
14 changes: 6 additions & 8 deletions console-subscriber/src/builder.rs
Original file line number Diff line number Diff line change
Expand Up @@ -521,17 +521,15 @@ impl Builder {
#[cfg(feature = "grpc-web")]
if cors_layer.is_some() {
server
.serve_with_grpc_web(cors_layer.unwrap())
.serve_with_grpc_web(
tonic::transport::Server::builder(),
cors_layer.unwrap(),
)
.await
.expect("console subscriber server failed")
} else {
server
.serve()
.await
.expect("console subscriber server failed")
.expect("console subscriber server failed");
return;
}

#[cfg(not(feature = "grpc-web"))]
server
.serve()
.await
Expand Down
39 changes: 25 additions & 14 deletions console-subscriber/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -909,7 +909,6 @@ impl Server {
/// [environment variable]: `Builder::with_default_env`
pub const DEFAULT_PORT: u16 = 6669;

#[cfg(not(feature = "grpc-web"))]
/// Starts the gRPC service with the default gRPC settings.
///
/// To configure gRPC server settings before starting the server, use
Expand All @@ -932,13 +931,34 @@ impl Server {
/// support.
pub async fn serve_with_grpc_web(
self,
builder: tonic::transport::Server,
cors: tower_http::cors::CorsLayer,
) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
let builder = tonic::transport::Server::builder()
let addr = self.addr.clone();
let ServerParts {
instrument_server,
aggregator,
} = self.into_parts();
let router = builder
.accept_http1(true)
.layer(cors)
.layer(tonic_web::GrpcWebLayer::new());
self.serve_with(builder).await
.layer(tonic_web::GrpcWebLayer::new())
.add_service(instrument_server);
let aggregate = spawn_named(aggregator.run(), "console::aggregate");
let res = match addr {
ServerAddr::Tcp(addr) => {
let serve = router.serve(addr);
spawn_named(serve, "console::serve").await
}
#[cfg(unix)]
ServerAddr::Unix(path) => {
let incoming = UnixListener::bind(path)?;
let serve = router.serve_with_incoming(UnixListenerStream::new(incoming));
spawn_named(serve, "console::serve").await
}
};
aggregate.abort();
res?.map_err(Into::into)
}

/// Starts the gRPC service with the given [`tonic`] gRPC transport server
Expand All @@ -953,16 +973,7 @@ impl Server {
/// [`tonic`]: https://docs.rs/tonic/
pub async fn serve_with(
self,
#[cfg(not(feature = "grpc-web"))] mut builder: tonic::transport::Server,
#[cfg(feature = "grpc-web")] mut builder: tonic::transport::Server<
tower::layer::util::Stack<
tonic_web::GrpcWebLayer,
tower::layer::util::Stack<
tower_http::cors::CorsLayer,
tower::layer::util::Identity,
>,
>,
>,
mut builder: tonic::transport::Server,
) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
let addr = self.addr.clone();
let ServerParts {
Expand Down