SERVER-19165 add setParameter to control choice of NetworkInterface

3 files changed, 125 insertions, 1 deletions

diff --git a/src/mongo/executor/SConscript b/src/mongo/executor/SConscript
index c9c4b5d8d95..a919d240799 100644
--- a/src/mongo/executor/SConscript
+++ b/src/mongo/executor/SConscript
@@ -47,6 +47,16 @@ env.Library(
         '$BUILD_DIR/mongo/client/clientdriver',
         '$BUILD_DIR/mongo/db/coredb',
         '$BUILD_DIR/mongo/db/repl/replication_executor',
-        '$BUILD_DIR/mongo/db/serveronly',
         '$BUILD_DIR/third_party/shim_asio',
     ])
+
+env.Library(
+    target='network_interface_factory',
+    source=[
+        'network_interface_factory.cpp',
+    ],
+    LIBDEPS=[
+        'network_interface',
+        'network_interface_asio',
+        'network_interface_impl',
+    ])
diff --git a/src/mongo/executor/network_interface_factory.cpp b/src/mongo/executor/network_interface_factory.cpp
new file mode 100644
index 00000000000..d86f1899a36
--- /dev/null
+++ b/src/mongo/executor/network_interface_factory.cpp
@@ -0,0 +1,66 @@
+/**
+ *    Copyright (C) 2015 MongoDB 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.
+ */
+
+#include "mongo/executor/network_interface_factory.h"
+
+#include "mongo/base/init.h"
+#include "mongo/base/status.h"
+#include "mongo/db/server_parameters.h"
+#include "mongo/executor/network_interface_asio.h"
+#include "mongo/executor/network_interface_impl.h"
+#include "mongo/stdx/memory.h"
+
+namespace mongo {
+namespace executor {
+
+namespace {
+
+const char kNetworkImplASIO[] = "ASIO";
+const char kNetworkImplThreadPool[] = "threadPool";
+
+}  // namespace
+
+MONGO_EXPORT_STARTUP_SERVER_PARAMETER(outboundNetworkImpl, std::string, kNetworkImplThreadPool);
+MONGO_INITIALIZER(outboundNetworkImpl)(InitializerContext*) {
+    if (outboundNetworkImpl != kNetworkImplThreadPool && outboundNetworkImpl != kNetworkImplASIO) {
+        return Status(ErrorCodes::BadValue,
+                      "unsupported networking option: " + outboundNetworkImpl);
+    }
+    return Status::OK();
+}
+
+std::unique_ptr<NetworkInterface> makeNetworkInterface() {
+    if (outboundNetworkImpl == kNetworkImplASIO) {
+        return stdx::make_unique<NetworkInterfaceASIO>();
+    } else {
+        return stdx::make_unique<NetworkInterfaceImpl>();
+    }
+}
+
+}  // namespace executor
+}  // namespace mongo
diff --git a/src/mongo/executor/network_interface_factory.h b/src/mongo/executor/network_interface_factory.h
new file mode 100644
index 00000000000..5934368d942
--- /dev/null
+++ b/src/mongo/executor/network_interface_factory.h
@@ -0,0 +1,48 @@
+/**
+ *    Copyright (C) 2015 MongoDB 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.
+ */
+
+#pragma once
+
+#include <memory>
+#include <string>
+
+#include "mongo/executor/network_interface.h"
+
+namespace mongo {
+namespace executor {
+
+    /**
+     * Returns a new NetworkInterface.
+     *
+     * Different NetworkInterface implementations may be specified setting the
+     * 'outboundNetworkImpl' at startup.
+     */
+    std::unique_ptr<NetworkInterface> makeNetworkInterface();
+
+} // namespace executor
+} // namespace mongo