Add timing middleware to log slow requests (>1s) with [CTRL-TIMING] prefix

gns3server/api/server.py

@@ -49,6 +49,7 @@ from gns3server.api.routes import mcp
 from gns3server.core import tasks
 
 import logging
+import time
 
 log = logging.getLogger(__name__)
 
@@ -214,6 +215,15 @@ async def validation_exception_handler(request: Request, exc: RequestValidationE
         content={"message": str(exc)}
     )
 
+    @app.middleware("http")
+    async def timing_middleware(request: Request, call_next):
+        _t0 = time.time()
+        response = await call_next(request)
+        elapsed = time.time() - _t0
+        if elapsed > 1.0:
+            log.info(f"[CTRL-TIMING] request {request.method} {request.url.path} total={elapsed:.3f}s")
+        return response
+
 # FIXME: do not use this middleware since it creates issue when using StreamingResponse
 # see https://starlette-context.readthedocs.io/en/latest/middleware.html#why-are-there-two-middlewares-that-do-the-same-thing