Add class Platform.

src/Platform_win.cpp

@@ -0,0 +1,86 @@
+/* XMRig
+ * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
+ * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
+ * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
+ * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
+ * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
+ * Copyright 2016-2017 XMRig       <support@xmrig.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/>.
+ */
+
+
+#include <winsock2.h>
+#include <windows.h>
+#include <uv.h>
+
+
+#include "Platform.h"
+#include "version.h"
+
+
+static inline OSVERSIONINFOEX winOsVersion()
+{
+    typedef NTSTATUS (NTAPI *RtlGetVersionFunction)(LPOSVERSIONINFO);
+    OSVERSIONINFOEX result = { sizeof(OSVERSIONINFOEX), 0, 0, 0, 0, {'\0'}, 0, 0, 0, 0, 0};
+
+    HMODULE ntdll = GetModuleHandleW(L"ntdll.dll");
+    if (ntdll ) {
+        RtlGetVersionFunction pRtlGetVersion = reinterpret_cast<RtlGetVersionFunction>(GetProcAddress(ntdll, "RtlGetVersion"));
+
+        if (pRtlGetVersion) {
+            pRtlGetVersion((LPOSVERSIONINFO) &result);
+        }
+    }
+
+    return result;
+}
+
+
+static inline char *createUserAgent()
+{
+    const auto osver = winOsVersion();
+    const size_t max = 160;
+
+    char *buf = new char[max];
+    int length = snprintf(buf, max, "%s/%s (Windows NT %lu.%lu", APP_NAME, APP_VERSION, osver.dwMajorVersion, osver.dwMinorVersion);
+
+#   if defined(__x86_64__) || defined(_M_AMD64)
+    length += snprintf(buf + length, max - length, "; Win64; x64) libuv/%s", uv_version_string());
+#   else
+    length += snprintf(buf + length, max - length, ") libuv/%s", uv_version_string());
+#   endif
+
+#   ifdef __GNUC__
+    length += snprintf(buf + length, max - length, " gcc/%d.%d.%d", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
+#   elif _MSC_VER
+    length += snprintf(buf + length, max - length, " msvc/%d", MSVC_VERSION);
+#   endif
+
+    return buf;
+}
+
+
+void Platform::init()
+{
+    m_userAgent = createUserAgent();
+}
+
+
+void Platform::release()
+{
+    delete [] m_userAgent;
+}
+