filestore-client: fixed crashes on DestroySession error, fixed ls nod…

…e type output (#2168)

* filestore-client: fixed crashes on DestroySession error, fixed ls node type output

* filestore-client: fixed crashes on DestroySession error, fixed ls node type output - cleanup

cloud/filestore/apps/client/lib/command.h

@@ -77,6 +77,11 @@ class TCommand
         return Opts;
     }
 
+    TLog& AccessLog()
+    {
+        return Log;
+    }
+
 protected:
     virtual void Init();
 
@@ -177,16 +182,22 @@ class TFileStoreCommand
     class TSessionGuard final
     {
         TFileStoreCommand& FileStoreCmd;
+        TLog& Log;
 
     public:
         explicit TSessionGuard(TFileStoreCommand& fileStoreCmd)
             : FileStoreCmd(fileStoreCmd)
+            , Log(FileStoreCmd.AccessLog())
         {
         }
 
         ~TSessionGuard()
         {
-            FileStoreCmd.DestroySession();
+            try {
+                FileStoreCmd.DestroySession();
+            } catch (...) {
+                STORAGE_ERROR("~TSessionGuard: " << CurrentExceptionMessage());
+            }
         }
     };
 

cloud/filestore/apps/client/lib/ls.cpp

@@ -94,6 +94,8 @@ TString NodeTypeToString(NProto::ENodeType nodeType)
             return "l";
         case NProto::E_SOCK_NODE:
             return "s";
+        case NProto::E_SYMLINK_NODE:
+            return "L";
         default:
             ythrow yexception() << "must be unreachable";
     }