1 files changed, 58 insertions, 0 deletions
diff --git a/src/mongo/db/initialize_operation_session_info.h b/src/mongo/db/initialize_operation_session_info.h
new file mode 100644
index 00000000000..b2c1fcde67d
--- /dev/null
+++ b/src/mongo/db/initialize_operation_session_info.h
@@ -0,0 +1,58 @@
+/**
+ *    Copyright (C) 2018-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the Server Side Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+#pragma once
+
+#include "mongo/db/session/logical_session_id.h"
+
+namespace mongo {
+
+/**
+ * Parses the session information from the body of a request and stores the sessionId and txnNumber
+ * on the current operation context. Must only be called once per operation and should be done right
+ * in the beginning. Note that the session info will be stored in the operation context and returned
+ * only if the current request supports it. For example, if attachToOpCtx is false or this is called
+ * within the context of DBDirectClient.
+ *
+ * Throws if the sessionId/txnNumber combination is not properly formatted.
+ *
+ * requiresAuth specifies if the command we're initializing operationSessionInfo for requires
+ * authorization or not.  This can be determined by invoking ->requiresAuth() on the parsed command.
+ * If it does not require authorization, return boost::none.
+ *
+ * isReplSetMemberOrMongos needs to be true if the command contains a transaction number, otherwise
+ * this function will throw.
+ */
+OperationSessionInfoFromClient initializeOperationSessionInfo(OperationContext* opCtx,
+                                                              const BSONObj& requestBody,
+                                                              bool requiresAuth,
+                                                              bool attachToOpCtx,
+                                                              bool isReplSetMemberOrMongos);
+
+}  // namespace mongo