SERVER-16520 Add a global CursorManager

The global cursor manager owns ClientCursor objects that aren't
associated with a particular collection.

The auth check for getMore against cursors owned by the global cursor
manager is left as a TODO (tracked by SERVER-16657).

1 files changed, 8 insertions, 2 deletions

diff --git a/src/mongo/db/instance.cpp b/src/mongo/db/instance.cpp
index 92c3f8e30e0..048b0f81bd2 100644
--- a/src/mongo/db/instance.cpp
+++ b/src/mongo/db/instance.cpp
@@ -746,8 +746,14 @@ namespace {
                 const NamespaceString nsString( ns );
                 uassert( 16258, str::stream() << "Invalid ns [" << ns << "]", nsString.isValid() );
 
-                Status status = txn->getClient()->getAuthorizationSession()->checkAuthForGetMore(
-                        nsString, cursorid);
+                Status status = Status::OK();
+                if (CursorManager::getGlobalCursorManager()->ownsCursorId(cursorid)) {
+                    // TODO Implement auth check for global cursors.  SERVER-16657.
+                }
+                else {
+                    status = txn->getClient()->getAuthorizationSession()->checkAuthForGetMore(
+                            nsString, cursorid);
+                }
                 audit::logGetMoreAuthzCheck(txn->getClient(), nsString, cursorid, status.code());
                 uassertStatusOK(status);