1 files changed, 62 insertions, 0 deletions
diff --git a/src/mongo/db/change_streams_cluster_parameter.cpp b/src/mongo/db/change_streams_cluster_parameter.cpp
new file mode 100644
index 00000000000..c0ac9577f2e
--- /dev/null
+++ b/src/mongo/db/change_streams_cluster_parameter.cpp
@@ -0,0 +1,62 @@
+/**
+ *    Copyright (C) 2022-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.
+ */
+
+#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kQuery
+
+#include "mongo/db/change_streams_cluster_parameter.h"
+
+#include "mongo/base/status.h"
+#include "mongo/db/change_streams_cluster_parameter_gen.h"
+#include "mongo/logv2/log.h"
+namespace mongo {
+
+Status validateChangeStreamsClusterParameter(
+    const ChangeStreamsClusterParameterStorage& clusterParameter) {
+    LOGV2_DEBUG(6594801,
+                1,
+                "Validating change streams cluster parameter",
+                "enabled"_attr = clusterParameter.getEnabled(),
+                "expireAfterSeconds"_attr = clusterParameter.getExpireAfterSeconds());
+    if (clusterParameter.getEnabled()) {
+        if (clusterParameter.getExpireAfterSeconds() <= 0) {
+            return Status(ErrorCodes::BadValue,
+                          "Expected a positive integer for 'expireAfterSeconds' field if 'enabled' "
+                          "field is true");
+        }
+    } else {
+        if (clusterParameter.getExpireAfterSeconds() != 0) {
+            return Status(
+                ErrorCodes::BadValue,
+                "Expected a zero value for 'expireAfterSeconds' if 'enabled' field is false");
+        }
+    }
+    return Status::OK();
+}
+
+}  // namespace mongo