crimson/tools/store_nbd: handle ECONNABORTED returned by accept()

if we abort accept() call, an ECONNABORTED is expected. and we should
handle it, otherwise unhandled exception will be noticed by seastar's
reactor. and it complains in that case.

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/crimson/tools/store_nbd/store-nbd.cc b/src/crimson/tools/store_nbd/store-nbd.cc
index e1ff3899db8fa07a18b747f4a971dbe0d4743a7a..5419c5565e10a77a366e5dca96da977cc5cc8762 100644 (file)
--- a/src/crimson/tools/store_nbd/store-nbd.cc
+++ b/src/crimson/tools/store_nbd/store-nbd.cc
@@ -426,6 +426,11 @@ void NBDHandler::run()
               logger().error("NBDHandler::run saw exception {}", e);
             });
           });
+      }).handle_exception_type([] (const std::system_error &e) {
+        // an ECONNABORTED is expected when we are being stopped.
+        if (e.code() != std::errc::connection_aborted) {
+          logger().error("accept failed: {}", e);
+        }
       });
     });
   }).handle_exception_type([](const seastar::gate_closed_exception&) {});