Re-work of thread model

src/Controls.hpp

@@ -0,0 +1,91 @@
+/*
+ * ZeroTier SDK - Network Virtualization Everywhere
+ * Copyright (C) 2011-2019  ZeroTier, Inc.  https://www.zerotier.com/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --
+ *
+ * You can be released from the requirements of the license by purchasing
+ * a commercial license. Buying such a license is mandatory as soon as you
+ * develop commercial closed-source software that incorporates or links
+ * directly against ZeroTier software without disclosing the source code
+ * of your own application.
+ */
+
+/**
+ * @file
+ *
+ * Header for ZeroTier service controls
+ */
+
+#ifndef LIBZT_CONTROLS_HPP
+#define LIBZT_CONTROLS_HPP
+
+namespace ZeroTier {
+
+//////////////////////////////////////////////////////////////////////////////
+// ZeroTier Internal Service Controls                                       //
+//////////////////////////////////////////////////////////////////////////////
+
+void postEvent(uint64_t id, int eventCode);
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Starts a ZeroTier service in the background
+ *
+ * @usage For internal use only.
+ * @param
+ * @return
+ */
+#if defined(_WIN32)
+DWORD WINAPI _zts_run_service(LPVOID thread_id);
+#else
+void *_zts_run_service(void *thread_id);
+#endif
+
+/**
+ * @brief [Should not be called from user application] This function must be surrounded by 
+ * ZT service locks. It will determine if it is currently safe and allowed to operate on 
+ * the service.
+ * @usage Can be called at any time
+ * @return 1 or 0
+ */
+int __zts_can_perform_service_operation();
+
+/**
+ * @brief [Should not be called from user application] Returns whether or not the node is 
+ * online.
+ * @usage Can be called at any time
+ * @return 1 or 0
+ */
+int __zts_node_online();
+
+/**
+ * @brief [Should not be called from user application] Adjusts the delay multiplier for the
+ * network stack driver thread.
+ * @usage Can be called at any time
+ */
+void _hibernate_if_needed();
+
+#ifdef __cplusplus
+}
+#endif
+
+} // namespace ZeroTier
+
+#endif // _H