glass_swift_local_client introduced

Summary: There is a local Swift Glass Client that uses [X2P](https://www.internalfb.com/wiki/X2PROD/) and can be built and run on local Darwing laptops

Reviewed By: Wilfred

Differential Revision: D78969332

fbshipit-source-id: a943956265ba842c3f68348633fe9f633a85b132

Author: ivanmurashko

glean/client/swift/GlassAccessLocal.cpp

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#include "glean/client/swift/GlassAccessLocal.h"
+#include "c2p/secure_thrift/cpp/client/SecureThrift.h"
+
+using namespace facebook;
+
+GlassAccessLocal::GlassAccessLocal() {
+  std::string connectionTier = "glean.glass";
+  client = facebook::corp2prod::client::getClientFactory()
+               .getClientUnique<apache::thrift::Client<::glean::GlassService>>(
+                   connectionTier);
+}

glean/client/swift/GlassAccessLocal.h

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+#include "glean/client/swift/GlassAccess.h"
+
+class GlassAccessLocal : public GlassAccess {
+ public:
+  GlassAccessLocal();
+  ~GlassAccessLocal() override = default;
+};

glean/client/swift/GlassSwiftLocalClient.cpp

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#include <csignal>
+#include <memory>
+#include <utility>
+#include "folly/Singleton.h"
+#include "folly/init/Init.h"
+#include "glean/client/swift/GlassAccessLocal.h"
+#include "glean/client/swift/JsonServer.h"
+
+// Folly singleton for JsonServer
+folly::Singleton<JsonServer> jsonServerSingleton([]() {
+  return new JsonServer();
+});
+
+void signalHandler(int signal) {
+  if (signal == SIGINT) {
+    jsonServerSingleton.try_get()->stop();
+  }
+}
+
+int main(int argc, char** argv) {
+  folly::Init init(&argc, &argv);
+
+  std::signal(SIGINT, signalHandler);
+
+  // Create GlassAccessLocal and set it in JsonServer
+  auto glassAccess = std::make_unique<GlassAccessLocal>();
+  jsonServerSingleton.try_get()->setGlassAccess(std::move(glassAccess));
+
+  // Start the server
+  jsonServerSingleton.try_get()->start();
+
+  return 0;
+}