Improved reliability and performance, better startup and shutdown semantics, HTTP control plane is now disabled by default

attic/SysUtils.h

@@ -0,0 +1,72 @@
+/*
+ * ZeroTier SDK - Network Virtualization Everywhere
+ * Copyright (C) 2011-2018  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
+ *
+ * Platform-specific implementations of common functions
+ */
+
+#ifndef LIBZT_SYSUTILS_H
+#define LIBZT_SYSUTILS_H
+
+#include <stdint.h>
+
+#ifdef _WIN32
+#include <Windows.h>
+#else
+#include <sys/time.h>
+#endif
+
+/**
+ * @brief Current time in milliseconds since epoch, platform-aware convenience function.
+ *
+ * @usage For internal use only.
+ * @return Current time in integer form
+ */
+inline uint64_t time_now()
+{
+#ifdef _WIN32
+    FILETIME ft;
+    SYSTEMTIME st;
+    ULARGE_INTEGER tmp;
+    GetSystemTime(&st);
+    SystemTimeToFileTime(&st,&ft);
+    tmp.LowPart = ft.dwLowDateTime;
+    tmp.HighPart = ft.dwHighDateTime;
+    return (uint64_t)( ((tmp.QuadPart - 116444736000000000LL) / 10000L) + st.wMilliseconds );
+#else
+    struct timeval tv;
+#ifdef __LINUX__
+    syscall(SYS_gettimeofday,&tv,0); /* fix for musl libc broken gettimeofday bug */
+#else
+    gettimeofday(&tv,(struct timezone *)0);
+#endif
+    return ( (1000LL * (uint64_t)tv.tv_sec) + (uint64_t)(tv.tv_usec / 1000) );
+#endif
+}
+
+#endif // _H