Initial commit 🎉

fbshipit-source-id: b6fc29740c6875d2e78953b8a7123890a67930f2
Co-authored-by: Sebastian McKenzie <sebmck@fb.com>
Co-authored-by: John Knox <jknox@fb.com>
Co-authored-by: Emil Sjölander <emilsj@fb.com>
Co-authored-by: Pritesh Nandgaonkar <prit91@fb.com>

xplat/Sonar/SonarClient.h

@@ -0,0 +1,87 @@
+/*
+ *  Copyright (c) 2018-present, Facebook, Inc.
+ *
+ *  This source code is licensed under the MIT license found in the LICENSE
+ *  file in the root directory of this source tree.
+ *
+ */
+
+#pragma once
+
+#include <Sonar/SonarConnectionImpl.h>
+#include <Sonar/SonarInitConfig.h>
+#include <Sonar/SonarPlugin.h>
+#include <Sonar/SonarWebSocket.h>
+#include <map>
+#include <mutex>
+
+namespace facebook {
+namespace sonar {
+
+class SonarClient : public SonarWebSocket::Callbacks {
+ public:
+  /**
+   Call before accessing instance with SonarClient::instance(). This will set up
+   all the state needed to establish a Sonar connection.
+   */
+  static void init(SonarInitConfig config);
+
+  /**
+   Standard accessor for the shared SonarClient instance. This returns a
+   singleton instance to a shared SonarClient. First call to this function will
+   create the shared SonarClient. Must call SonarClient::initDeviceData() before
+   first call to SonarClient::instance().
+   */
+  static SonarClient* instance();
+
+  /**
+   Only public for testing
+   */
+  SonarClient(std::unique_ptr<SonarWebSocket> socket)
+      : socket_(std::move(socket)) {
+    socket_->setCallbacks(this);
+  }
+
+  void start() {
+    socket_->start();
+  }
+
+  void stop() {
+    socket_->stop();
+  }
+
+  void onConnected() override;
+
+  void onDisconnected() override;
+
+  void onMessageReceived(const folly::dynamic& message) override;
+
+  void addPlugin(std::shared_ptr<SonarPlugin> plugin);
+
+  void removePlugin(std::shared_ptr<SonarPlugin> plugin);
+
+  void refreshPlugins();
+
+  std::shared_ptr<SonarPlugin> getPlugin(const std::string& identifier);
+
+  template <typename P>
+  std::shared_ptr<P> getPlugin(const std::string& identifier) {
+    return std::static_pointer_cast<P>(getPlugin(identifier));
+  }
+
+  bool hasPlugin(const std::string& identifier);
+
+ private:
+  static SonarClient* instance_;
+  bool connected_ = false;
+  std::unique_ptr<SonarWebSocket> socket_;
+  std::map<std::string, std::shared_ptr<SonarPlugin>> plugins_;
+  std::map<std::string, std::shared_ptr<SonarConnectionImpl>> connections_;
+  std::mutex mutex_;
+
+  void performAndReportError(const std::function<void()>& func);
+  void disconnect(std::shared_ptr<SonarPlugin> plugin);
+};
+
+} // namespace sonar
+} // namespace facebook