refactor(tools): 优化交互式进程输出捕获逻辑
- 删除了 PendingUserAction 相关的冗余辅助消息发送代码 - 引入自适应 drain_until_stable 函数循环读取输出直到稳定 - 用 drain_until_stable 替代固定延时等待以捕获最终提示内容 - 确保进程等待 stdin 时完整且及时地捕获所有输出数据 - 移除过时的常量和注释，简化代码逻辑 - 保持对最大循环次数和间隔时间的限制防止死循环
This commit is contained in:
parent
640829ce52
commit
e37dea886b
@ -20,8 +20,6 @@ use std::time::Instant;
|
||||
/// Minimum characters to keep when truncating
|
||||
const TRUNCATION_SUFFIX_LEN: usize = 200;
|
||||
const PENDING_USER_ACTION_MARKER: &str = "__PICOBOT_PENDING_USER_ACTION__";
|
||||
const DEFAULT_PENDING_ASSISTANT_MESSAGE: &str =
|
||||
"工具已经启动并进入等待用户操作的状态。请先完成外部操作，完成后直接告诉我继续。";
|
||||
const RECOVERABLE_LLM_ERROR_MESSAGE: &str = "模型服务暂时不可用或响应超时。请稍后重试。";
|
||||
|
||||
const SUPPORTED_IMAGE_MIME_TYPES: &[&str] = &["image/jpeg", "image/png", "image/gif", "image/webp"];
|
||||
@ -1091,45 +1089,9 @@ impl AgentLoop {
|
||||
}
|
||||
}
|
||||
|
||||
if let Some((tool_call, pending_result)) = response
|
||||
.tool_calls
|
||||
.iter()
|
||||
.zip(tool_results.iter())
|
||||
.find(|(_, result)| result.state == ToolExecutionState::PendingUserAction)
|
||||
{
|
||||
// 从工具输出中提取有意义的终端内容
|
||||
// 跳过：标记行、session_id 元数据、空行、以及提示行（取提示行之后的实际内容）
|
||||
let content: String = pending_result
|
||||
.output
|
||||
.lines()
|
||||
.map(|l| l.trim())
|
||||
.filter(|line| {
|
||||
!line.is_empty()
|
||||
&& !line.starts_with("__PICOBOT_")
|
||||
&& !line.starts_with("[session_id:")
|
||||
})
|
||||
.skip(1) // 跳过第一行（提示行，如"进程正在等待输入..."）
|
||||
.take(20) // 最多取 20 行避免过长
|
||||
.collect::<Vec<_>>()
|
||||
.join("\n");
|
||||
let display_content = if content.is_empty() {
|
||||
DEFAULT_PENDING_ASSISTANT_MESSAGE
|
||||
} else {
|
||||
&content
|
||||
};
|
||||
let assistant_message = ChatMessage::assistant(format!(
|
||||
"{}\n\n当前等待中的工具: {}",
|
||||
display_content, tool_call.name,
|
||||
));
|
||||
emitted_messages.push(assistant_message.clone());
|
||||
self.emit_live_tool_call_message(assistant_message.clone()).await;
|
||||
return Ok(AgentProcessResult {
|
||||
final_response: assistant_message,
|
||||
emitted_messages,
|
||||
});
|
||||
}
|
||||
|
||||
// Loop continues to next iteration with updated messages
|
||||
// PendingUserAction 工具的结果已在上方加入 messages，
|
||||
// 模型将在下一轮看到完整的终端输出并生成智能回复
|
||||
#[cfg(debug_assertions)]
|
||||
tracing::debug!(
|
||||
iteration,
|
||||
|
||||
@ -182,12 +182,17 @@ impl BashTool {
|
||||
let session_line = session_id
|
||||
.map(|id| format!("[session_id: {}]\n", id))
|
||||
.unwrap_or_default();
|
||||
let output_section = if output.trim().is_empty() {
|
||||
"(进程尚未输出内容。进程正在等待输入，请使用 session_id 和 stdin_input 参数发送输入内容。)"
|
||||
} else {
|
||||
&self.truncate_output(output.trim())
|
||||
};
|
||||
format!(
|
||||
"{}\n{}{}\n\n{}",
|
||||
PENDING_USER_ACTION_MARKER,
|
||||
session_line,
|
||||
hint,
|
||||
self.truncate_output(output.trim())
|
||||
output_section
|
||||
)
|
||||
}
|
||||
|
||||
@ -260,6 +265,38 @@ async fn drain_available_chunks(
|
||||
}
|
||||
}
|
||||
|
||||
/// 自适应 drain：循环读取直到输出稳定，确保进程的所有提示内容都被捕获
|
||||
///
|
||||
/// - 每次 drain 后等待 200ms 再检查是否有新数据
|
||||
/// - 最多循环 10 次（即最多等待 2 秒）
|
||||
/// - 如果连续一次 drain 没有新数据，立即返回
|
||||
async fn drain_until_stable(
|
||||
rx: &mut mpsc::UnboundedReceiver<(bool, String)>,
|
||||
stdout_buf: &Arc<Mutex<String>>,
|
||||
stderr_buf: &Arc<Mutex<String>>,
|
||||
) {
|
||||
const DRAIN_INTERVAL_MS: u64 = 200;
|
||||
const MAX_DRAIN_ROUNDS: u32 = 10;
|
||||
|
||||
for _ in 0..MAX_DRAIN_ROUNDS {
|
||||
let prev_stdout_len = stdout_buf.lock().await.len();
|
||||
let prev_stderr_len = stderr_buf.lock().await.len();
|
||||
|
||||
drain_available_chunks(rx, stdout_buf, stderr_buf).await;
|
||||
|
||||
let new_stdout_len = stdout_buf.lock().await.len();
|
||||
let new_stderr_len = stderr_buf.lock().await.len();
|
||||
|
||||
// 如果没有新数据，说明输出已稳定
|
||||
if new_stdout_len == prev_stdout_len && new_stderr_len == prev_stderr_len {
|
||||
break;
|
||||
}
|
||||
|
||||
// 有新数据，等待后再次检查
|
||||
tokio::time::sleep(Duration::from_millis(DRAIN_INTERVAL_MS)).await;
|
||||
}
|
||||
}
|
||||
|
||||
impl Default for BashTool {
|
||||
fn default() -> Self {
|
||||
Self::new(Arc::new(ShellSessionManager::new()))
|
||||
@ -472,11 +509,12 @@ impl BashTool {
|
||||
// Periodic safety net: check OS-level process state
|
||||
if let Some(pid) = child.id() {
|
||||
if crate::platform::is_process_waiting_on_stdin(pid) == Some(true) {
|
||||
// 自适应 drain，等待输出稳定
|
||||
if let Some(rx_ref) = rx.as_mut() {
|
||||
drain_available_chunks(rx_ref, &stdout_buf, &stderr_buf).await;
|
||||
drain_until_stable(rx_ref, &stdout_buf, &stderr_buf).await;
|
||||
}
|
||||
let combined = format_command_output(&stdout_buf.lock().await, &stderr_buf.lock().await, None);
|
||||
if !combined.trim().is_empty() {
|
||||
// 始终创建 session，即使输出为空（进程可能还没写出提示）
|
||||
if let Some(stdin) = child_stdin {
|
||||
if let Some(rx_val) = rx.take() {
|
||||
let session_id = self.session_manager.save_session(
|
||||
@ -492,7 +530,6 @@ impl BashTool {
|
||||
return Ok(self.pending_output(&combined, None));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
let combined = format_command_output(&stdout_buf.lock().await, &stderr_buf.lock().await, None);
|
||||
if self.should_return_pending(interactive, &combined) {
|
||||
@ -523,9 +560,12 @@ impl BashTool {
|
||||
|
||||
// OS-level check: if blocked on stdin, save as session
|
||||
if let Some(pid) = child.id() {
|
||||
if crate::platform::is_process_waiting_on_stdin(pid) == Some(true)
|
||||
&& !combined.trim().is_empty()
|
||||
{
|
||||
if crate::platform::is_process_waiting_on_stdin(pid) == Some(true) {
|
||||
// 自适应 drain，等待输出稳定
|
||||
if let Some(rx_ref) = rx.as_mut() {
|
||||
drain_until_stable(rx_ref, &stdout_buf, &stderr_buf).await;
|
||||
}
|
||||
let combined = format_command_output(&stdout_buf.lock().await, &stderr_buf.lock().await, None);
|
||||
if let Some(stdin) = child_stdin {
|
||||
if let Some(rx_val) = rx.take() {
|
||||
let session_id = self.session_manager.save_session(
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user