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use anyhow::{Context, Result};
use std::path::PathBuf;
use tokio_util::sync::CancellationToken;
use tracing::{info, warn};
use crate::runtime::events::{Event, EventKind, JsonlWriter};
use crate::runtime::wire_worker::hook_executor::{
discover_hook_subscriptions, HookExecutor, HookResult,
};
use crate::runtime::wire_worker::WireWorkerAdapter;
use crate::runtime::worker::{ResultStatus, WorkerResult, WorkerTask};
use crate::wire::client::{ProcessWireClient, WireClient, WireMessage};
use crate::wire::protocol::{redact_wire_secrets, Request};
use super::context_guard;
use super::TaskOutcome;
impl WireWorkerAdapter {
pub(in crate::runtime::wire_worker) async fn process_task(
&self,
task: &WorkerTask,
kimi_bin: &str,
outbox: &PathBuf,
wire_events_writer: &JsonlWriter,
outer_cancel: &CancellationToken,
timeout_cancel: &CancellationToken,
) -> Result<TaskOutcome> {
info!(worker = %self.spec.name, task = %task.id, "Processing task via wire");
let started = Event::new(self.run_id.clone(), EventKind::TaskStarted)
.with_actor(&self.spec.name)
.with_payload(serde_json::json!({
"task_id": task.id,
"worker_id": self.spec.name,
}))?;
self.event_writer.append(&started).await?;
let project_dir = self.spec.project_dir.as_deref();
let mut client = ProcessWireClient::spawn(kimi_bin, project_dir, None, None).await?;
let external_tools = if let Some(bridge) = &self.mcp_bridge {
Some(bridge.external_tools().await)
} else {
self.spec.external_tools.clone()
};
let hooks = discover_hook_subscriptions(project_dir).await;
let init_params = crate::wire::protocol::InitializeParams {
protocol_version: crate::wire::protocol::KIMI_WIRE_PROTOCOL_VERSION.to_string(),
client: Some(crate::wire::protocol::ClientInfo {
name: "omk-wire-worker".to_string(),
version: Some(env!("CARGO_PKG_VERSION").to_string()),
}),
external_tools,
capabilities: None,
hooks: Some(hooks),
};
let init_result = client.initialize(init_params).await?;
let init_event = Event::new(self.run_id.clone(), EventKind::TaskOutput)
.with_actor(&self.spec.name)
.with_payload(serde_json::json!({
"type": "wire_initialize",
"task_id": task.id,
"worker_id": self.spec.name,
"kimi_binary": kimi_bin,
"expected_wire_protocol_version": crate::wire::protocol::KIMI_WIRE_PROTOCOL_VERSION,
"wire_protocol_version": init_result.protocol_version,
}))?;
self.event_writer.append(&init_event).await?;
let mut prompt = format!(
"You are a {} agent named {}.\n\nTask: {}",
self.spec.role, self.spec.name, task.task
);
if !task.acceptance_criteria.is_empty() {
prompt.push_str("\n\nAcceptance criteria:");
for item in &task.acceptance_criteria {
prompt.push_str("\n- ");
prompt.push_str(item);
}
}
if let Some(context) = task
.context
.as_deref()
.filter(|value| !value.trim().is_empty())
{
prompt.push_str("\n\nController context:\n");
prompt.push_str(context);
}
prompt.push_str("\n\nWhen complete, summarize what you did in 1-2 sentences.");
context_guard::warn_if_prompt_exceeds_threshold(&prompt, &self.spec.name, &task.id);
client.start_prompt(&prompt).await?;
let mut summary_parts: Vec<String> = Vec::new();
let mut success = true;
let mut failure_reason: Option<String> = None;
let start_time = std::time::Instant::now();
loop {
tokio::select! {
biased;
_ = outer_cancel.cancelled() => {
info!(
worker = %self.spec.name,
task = %task.id,
"Task processing cancelled (worker shutdown)"
);
let _ = client.shutdown().await;
return Ok(TaskOutcome::CancelledExternal);
}
_ = timeout_cancel.cancelled() => {
info!(
worker = %self.spec.name,
task = %task.id,
"Task processing cancelled (per-task budget timeout)"
);
let _ = client.shutdown().await;
return Ok(TaskOutcome::CancelledTimeout);
}
msg = client.read_message_timeout(self.active_turn_timeout) => {
match msg {
Ok(WireMessage::Event(ev)) => {
let raw_json =
serde_json::to_string(&redact_wire_secrets(&serde_json::to_value(&ev)?))?;
let mut line = raw_json.into_bytes();
line.push(b'\n');
wire_events_writer
.append_line(line)
.await
.with_context(|| {
format!(
"failed to append wire event for task {} (worker {})",
task.id, self.spec.name
)
})?;
match ev.params.to_event() {
Ok(typed) => match typed {
crate::wire::protocol::Event::TurnEnd => break,
crate::wire::protocol::Event::StepInterrupted => {
success = false;
failure_reason =
Some("wire step interrupted before turn_end".to_string());
break;
}
crate::wire::protocol::Event::HookTriggered { event, target, hook_count } => {
let hook_event = Event::new(self.run_id.clone(), EventKind::HookTriggered)
.with_actor(&self.spec.name)
.with_payload(serde_json::json!({
"task_id": task.id,
"worker_id": self.spec.name,
"event": event,
"target": target,
"hook_count": hook_count,
}))?;
if let Err(e) = self.event_writer.append(&hook_event).await {
warn!(error = %e, "Failed to emit hook_triggered event");
}
}
crate::wire::protocol::Event::HookResolved { event, target, action, reason, duration_ms } => {
let hook_event = Event::new(self.run_id.clone(), EventKind::HookResolved)
.with_actor(&self.spec.name)
.with_payload(serde_json::json!({
"task_id": task.id,
"worker_id": self.spec.name,
"event": event,
"target": target,
"action": action,
"reason": reason,
"duration_ms": duration_ms,
}))?;
if let Err(e) = self.event_writer.append(&hook_event).await {
warn!(error = %e, "Failed to emit hook_resolved event");
}
}
crate::wire::protocol::Event::ContentPart { text, chunk } => {
if let Some(t) = text {
summary_parts.push(t);
} else if let Some(c) = chunk {
summary_parts.push(c);
}
}
_ => {}
},
Err(_) => {
match ev.params.normalized_event_type().as_str() {
"turn_end" => break,
"step_interrupted" => {
success = false;
failure_reason =
Some("wire step interrupted before turn_end".to_string());
break;
}
"thinking" | "text" | "content" => {
if let Some(text) =
ev.params.payload.get("text").and_then(|v| v.as_str())
{
summary_parts.push(text.to_string());
} else if let Some(chunk) =
ev.params.payload.get("chunk").and_then(|v| v.as_str())
{
summary_parts.push(chunk.to_string());
}
}
"turn_begin" | "step_begin" | "tool_call" | "tool_call_part"
| "tool_result" | "status_update" | "approval_response" => {}
"hook_triggered" | "hook_resolved" => {
tracing::debug!(event_type = %ev.params.event_type, "Known hook event failed deserialization");
}
other => warn!(event_type = %other, "Unknown wire event kind"),
}
}
}
}
Ok(WireMessage::Request(req)) if req.method != "request" => {
warn!(method = %req.method, "Unknown wire request method, skipping");
}
Ok(WireMessage::Request(req)) => match req.params.to_request() {
Ok(request) => {
context_guard::warn_if_request_exceeds_threshold(&request, &self.spec.name, &task.id);
if let crate::wire::protocol::Request::HookRequest(ref hook_req) = request {
let hook_result = if let Some(dir) = project_dir {
match HookExecutor::new(dir).run(hook_req).await {
Ok(result) => result,
Err(e) => {
warn!(error = %e, "Hook execution failed");
HookResult {
action: crate::wire::protocol::HookAction::Block,
reason: format!("hook execution failed: {e}"),
}
}
}
} else {
HookResult::default_allow()
};
let response = hook_result.to_response_value(&hook_req.id);
client.send_response(&req.id, &response).await?;
if let Err(e) = self.record_wire_request(task, &req.id, &req.params, &request, &response).await {
warn!(error = %e, "Failed to record hook wire request");
}
info!(
worker = %self.spec.name,
request_id = %req.id,
request_type = request.kind(),
hook_event = %hook_req.event,
hook_action = ?hook_result.action,
"Handled wire hook request"
);
continue;
}
if let crate::wire::protocol::Request::ToolCallRequest(ref tool_call) = request {
if let Some(bridge) = &self.mcp_bridge {
if bridge.is_mcp_tool(&tool_call.name).await {
let args = match &tool_call.arguments {
Some(s) => serde_json::from_str(s).unwrap_or(serde_json::Value::Null),
None => serde_json::Value::Null,
};
let result = bridge.handle_tool_call(&tool_call.name, args).await;
let response = match result {
Ok(value) => serde_json::json!({
"tool_call_id": tool_call.id,
"return_value": crate::wire::protocol::ToolReturnValue {
is_error: false,
output: serde_json::to_string(&value).unwrap_or_default(),
message: String::new(),
display: None,
extras: None,
}
}),
Err(e) => serde_json::json!({
"tool_call_id": tool_call.id,
"return_value": crate::wire::protocol::ToolReturnValue {
is_error: true,
output: String::new(),
message: e.to_string(),
display: Some(vec![crate::wire::protocol::DisplayBlock::Brief(
crate::wire::protocol::BriefDisplayBlock {
text: "MCP tool call failed".to_string(),
}
)]),
extras: None,
}
}),
};
self.record_wire_request(task, &req.id, &req.params, &request, &response).await?;
client.send_response(&req.id, response).await?;
info!(
worker = %self.spec.name,
request_id = %req.id,
request_type = request.kind(),
tool_name = %tool_call.name,
"Handled MCP tool call via bridge"
);
continue;
}
}
}
match &request {
Request::ApprovalRequest(approval_req) => {
self.handle_approval_request(task, &req.id, approval_req, &mut client, outer_cancel, timeout_cancel).await?;
}
_ => {
let resp = request.default_response();
self.record_wire_request(task, &req.id, &req.params, &request, &resp)
.await?;
client.send_response(&req.id, resp).await?;
info!(
worker = %self.spec.name,
request_id = %req.id,
request_type = request.kind(),
"Handled wire request"
);
}
}
}
Err(_) => {
client
.send_error(&req.id, -32601, "Unknown request type")
.await?;
}
},
Ok(WireMessage::SuccessResponse(_)) => {}
Ok(WireMessage::ErrorResponse(err)) => {
warn!(error = ?err.error, "Wire error response");
success = false;
failure_reason = Some(format!(
"wire error response: {} (code: {})",
err.error.message, err.error.code
));
break;
}
Err(e) => {
warn!(error = %e, "Wire read error, ending task");
success = false;
let reason = e.to_string();
if reason.contains("timed out") {
let timeout_event =
Event::new(self.run_id.clone(), EventKind::TaskOutput)
.with_actor(&self.spec.name)
.with_payload(serde_json::json!({
"type": "wire_turn_timeout",
"task_id": task.id,
"worker_id": self.spec.name,
"timeout_ms": self.active_turn_timeout.as_millis(),
"error": reason,
}))?;
self.event_writer.append(&timeout_event).await?;
let stalled = Event::new(
self.run_id.clone(),
EventKind::WorkerStalled,
)
.with_actor(&self.spec.name)
.with_message(format!(
"wire turn timed out after {:?}",
self.active_turn_timeout
))?;
self.event_writer.append(&stalled).await?;
}
failure_reason = Some(reason);
break;
}
}
}
}
}
client.shutdown().await?;
let summary = summary_parts.join(" ").trim().to_string();
let elapsed = start_time.elapsed().as_secs();
let result = WorkerResult {
task_id: task.id.clone(),
status: if success {
ResultStatus::Success
} else {
ResultStatus::Failed
},
summary: if summary.is_empty() {
if success {
"completed".to_string()
} else {
failure_reason.unwrap_or_else(|| "wire task failed".to_string())
}
} else {
summary
},
artifacts: vec![],
elapsed_secs: elapsed,
};
self.write_worker_result(outbox, &result).await?;
info!(
worker = %self.spec.name,
task = %task.id,
success = success,
elapsed = elapsed,
"Task finished"
);
Ok(TaskOutcome::Completed)
}
}