INNER CODE UNIT · Python

log_http_request

Earth-OL-Player/ai_learn_project · ai-service/app/main.py:22

async def log_http_request(request: Request, call_next: Callable[[Request], Awaitable[Response]]) -> Response:
    """记录进入 Python AI 服务的 HTTP 请求，便于判断前端链路是否打到本服务。"""
    start_time = time.perf_counter()
    trace_id = request.headers.get("x-trace-id", "")

    # 请求进入时先打日志，避免鉴权失败或异常时看不到链路。
    logger.info("收到 Python AI 服务请求：traceId=%s method=%s path=%s client=%s", trace_id, request.method, request.url.path, request.client.host if request.client else "")
    response = await call_next(request)

    # 请求结束时输出状态码和耗时，辅助定位是否被鉴权、路由或业务逻辑拦截。
    duration_ms = elapsed_milliseconds(start_time)
    if trace_id:
        response.headers["X-Trace-Id"] = trace_id
    logger.info("Python AI 服务请求完成：traceId=%s method=%s path=%s status=%s durationMs=%s", trace_id, request.method, request.url.path, response.status_code, duration_ms)
    return response


@app.exception_handler(RequestValidationError)

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