SERVER-29341 Set KeepAlive params on windows and mac

(cherry picked from commit bd153cba11ab82ffbf8d2bc0b801eb808369eb9e)

1 files changed, 64 insertions, 0 deletions

diff --git a/src/mongo/util/winutil.cpp b/src/mongo/util/winutil.cpp
new file mode 100644
index 00000000000..9d82a029b1d
--- /dev/null
+++ b/src/mongo/util/winutil.cpp
@@ -0,0 +1,64 @@
+// winutil.cpp
+
+/*    Copyright 2017 10gen Inc.
+ *
+ *    This program is free software: you can redistribute it and/or  modify
+ *    it under the terms of the GNU Affero General Public License, version 3,
+ *    as published by the Free Software Foundation.
+ *
+ *    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
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *    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 GNU Affero General 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.
+ */
+
+#if defined(_WIN32)
+
+#include "mongo/platform/basic.h"
+
+#include "mongo/util/winutil.h"
+
+#include "mongo/base/error_codes.h"
+#include "mongo/base/status.h"
+
+namespace mongo {
+
+StatusWith<boost::optional<DWORD>> windows::getDWORDRegistryKey(const CString& group,
+                                                                const CString& key) {
+    CRegKey regkey;
+    if (ERROR_SUCCESS != regkey.Open(HKEY_LOCAL_MACHINE, group, KEY_READ)) {
+        return Status(ErrorCodes::InternalError, "Unable to access windows registry");
+    }
+
+    DWORD val;
+    const auto res = regkey.QueryDWORDValue(key, val);
+    if (ERROR_INVALID_DATA == res) {
+        return Status(ErrorCodes::TypeMismatch,
+                      "Invalid data type in windows registry, expected DWORD");
+    }
+
+    if (ERROR_SUCCESS != res) {
+        return boost::none;
+    }
+
+    return val;
+}
+
+}  // namespace mongo
+
+#endif