Prepare ntcore for merge into allwpilib.

ntcore/src/main/native/cpp/InstanceImpl.h

@@ -0,0 +1,60 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2016-2018. All Rights Reserved.                        */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#ifndef NTCORE_INSTANCEIMPL_H_
+#define NTCORE_INSTANCEIMPL_H_
+
+#include <atomic>
+#include <memory>
+
+#include <support/UidVector.h>
+#include <support/mutex.h>
+
+#include "ConnectionNotifier.h"
+#include "Dispatcher.h"
+#include "DsClient.h"
+#include "EntryNotifier.h"
+#include "Log.h"
+#include "LoggerImpl.h"
+#include "RpcServer.h"
+#include "Storage.h"
+
+namespace nt {
+
+class InstanceImpl {
+ public:
+  explicit InstanceImpl(int inst);
+  ~InstanceImpl();
+
+  // Instance repository
+  static InstanceImpl* GetDefault();
+  static InstanceImpl* Get(int inst);
+  static int GetDefaultIndex();
+  static int Alloc();
+  static void Destroy(int inst);
+
+  LoggerImpl logger_impl;
+  wpi::Logger logger;
+  ConnectionNotifier connection_notifier;
+  EntryNotifier entry_notifier;
+  RpcServer rpc_server;
+  Storage storage;
+  Dispatcher dispatcher;
+  DsClient ds_client;
+
+ private:
+  static int AllocImpl();
+
+  static std::atomic<int> s_default;
+  static std::atomic<InstanceImpl*> s_fast_instances[10];
+  static wpi::UidVector<std::unique_ptr<InstanceImpl>, 10> s_instances;
+  static wpi::mutex s_mutex;
+};
+
+}  // namespace nt
+
+#endif  // NTCORE_INSTANCEIMPL_H_