Files
llmx/codex-rs/core/src/tools/parallel.rs
2025-10-27 10:09:10 +00:00

114 lines
3.9 KiB
Rust

use std::sync::Arc;
use tokio::sync::RwLock;
use tokio_util::either::Either;
use tokio_util::sync::CancellationToken;
use tokio_util::task::AbortOnDropHandle;
use crate::codex::Session;
use crate::codex::TurnContext;
use crate::error::CodexErr;
use crate::function_tool::FunctionCallError;
use crate::tools::context::SharedTurnDiffTracker;
use crate::tools::context::ToolPayload;
use crate::tools::router::ToolCall;
use crate::tools::router::ToolRouter;
use codex_protocol::models::FunctionCallOutputPayload;
use codex_protocol::models::ResponseInputItem;
use codex_utils_readiness::Readiness;
pub(crate) struct ToolCallRuntime {
router: Arc<ToolRouter>,
session: Arc<Session>,
turn_context: Arc<TurnContext>,
tracker: SharedTurnDiffTracker,
parallel_execution: Arc<RwLock<()>>,
}
impl ToolCallRuntime {
pub(crate) fn new(
router: Arc<ToolRouter>,
session: Arc<Session>,
turn_context: Arc<TurnContext>,
tracker: SharedTurnDiffTracker,
) -> Self {
Self {
router,
session,
turn_context,
tracker,
parallel_execution: Arc::new(RwLock::new(())),
}
}
pub(crate) fn handle_tool_call(
&self,
call: ToolCall,
cancellation_token: CancellationToken,
) -> impl std::future::Future<Output = Result<ResponseInputItem, CodexErr>> {
let supports_parallel = self.router.tool_supports_parallel(&call.tool_name);
let router = Arc::clone(&self.router);
let session = Arc::clone(&self.session);
let turn = Arc::clone(&self.turn_context);
let tracker = Arc::clone(&self.tracker);
let lock = Arc::clone(&self.parallel_execution);
let aborted_response = Self::aborted_response(&call);
let readiness = self.turn_context.tool_call_gate.clone();
let handle: AbortOnDropHandle<Result<ResponseInputItem, FunctionCallError>> =
AbortOnDropHandle::new(tokio::spawn(async move {
tokio::select! {
_ = cancellation_token.cancelled() => Ok(aborted_response),
res = async {
tracing::info!("waiting for tool gate");
readiness.wait_ready().await;
tracing::info!("tool gate released");
let _guard = if supports_parallel {
Either::Left(lock.read().await)
} else {
Either::Right(lock.write().await)
};
router
.dispatch_tool_call(session, turn, tracker, call)
.await
} => res,
}
}));
async move {
match handle.await {
Ok(Ok(response)) => Ok(response),
Ok(Err(FunctionCallError::Fatal(message))) => Err(CodexErr::Fatal(message)),
Ok(Err(other)) => Err(CodexErr::Fatal(other.to_string())),
Err(err) => Err(CodexErr::Fatal(format!(
"tool task failed to receive: {err:?}"
))),
}
}
}
}
impl ToolCallRuntime {
fn aborted_response(call: &ToolCall) -> ResponseInputItem {
match &call.payload {
ToolPayload::Custom { .. } => ResponseInputItem::CustomToolCallOutput {
call_id: call.call_id.clone(),
output: "aborted".to_string(),
},
ToolPayload::Mcp { .. } => ResponseInputItem::McpToolCallOutput {
call_id: call.call_id.clone(),
result: Err("aborted".to_string()),
},
_ => ResponseInputItem::FunctionCallOutput {
call_id: call.call_id.clone(),
output: FunctionCallOutputPayload {
content: "aborted".to_string(),
success: None,
},
},
}
}
}