- capture the header from SSE/WS handshakes, store it per ModelClientSession using `Oncelock`, echo it on turn-scoped requests, and add SSE+WS integration tests for within-turn persistence + cross-turn reset. - keep `x-codex-turn-state` sticky within a user turn to maintain routing continuity for retries/tool follow-ups.
95 lines
2.7 KiB
Rust
95 lines
2.7 KiB
Rust
use crate::auth::AuthProvider;
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use crate::auth::add_auth_headers;
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use crate::common::ResponseStream;
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use crate::error::ApiError;
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use crate::provider::Provider;
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use crate::telemetry::SseTelemetry;
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use crate::telemetry::run_with_request_telemetry;
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use codex_client::HttpTransport;
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use codex_client::RequestCompression;
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use codex_client::RequestTelemetry;
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use codex_client::StreamResponse;
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use http::HeaderMap;
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use http::Method;
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use serde_json::Value;
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use std::sync::Arc;
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use std::sync::OnceLock;
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use std::time::Duration;
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pub(crate) struct StreamingClient<T: HttpTransport, A: AuthProvider> {
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transport: T,
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provider: Provider,
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auth: A,
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request_telemetry: Option<Arc<dyn RequestTelemetry>>,
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sse_telemetry: Option<Arc<dyn SseTelemetry>>,
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}
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type StreamSpawner = fn(
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StreamResponse,
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Duration,
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Option<Arc<dyn SseTelemetry>>,
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Option<Arc<OnceLock<String>>>,
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) -> ResponseStream;
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impl<T: HttpTransport, A: AuthProvider> StreamingClient<T, A> {
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pub(crate) fn new(transport: T, provider: Provider, auth: A) -> Self {
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Self {
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transport,
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provider,
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auth,
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request_telemetry: None,
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sse_telemetry: None,
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}
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}
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pub(crate) fn with_telemetry(
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mut self,
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request: Option<Arc<dyn RequestTelemetry>>,
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sse: Option<Arc<dyn SseTelemetry>>,
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) -> Self {
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self.request_telemetry = request;
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self.sse_telemetry = sse;
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self
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}
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pub(crate) fn provider(&self) -> &Provider {
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&self.provider
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}
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pub(crate) async fn stream(
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&self,
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path: &str,
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body: Value,
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extra_headers: HeaderMap,
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compression: RequestCompression,
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spawner: StreamSpawner,
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turn_state: Option<Arc<OnceLock<String>>>,
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) -> Result<ResponseStream, ApiError> {
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let builder = || {
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let mut req = self.provider.build_request(Method::POST, path);
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req.headers.extend(extra_headers.clone());
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req.headers.insert(
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http::header::ACCEPT,
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http::HeaderValue::from_static("text/event-stream"),
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);
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req.body = Some(body.clone());
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req.compression = compression;
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add_auth_headers(&self.auth, req)
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};
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let stream_response = run_with_request_telemetry(
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self.provider.retry.to_policy(),
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self.request_telemetry.clone(),
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builder,
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|req| self.transport.stream(req),
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)
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.await?;
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Ok(spawner(
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stream_response,
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self.provider.stream_idle_timeout,
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self.sse_telemetry.clone(),
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turn_state,
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))
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}
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}
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