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Diffstat (limited to 'LibOVR/Src/Util/Util_SystemInfo.cpp')
| -rw-r--r-- | LibOVR/Src/Util/Util_SystemInfo.cpp | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/LibOVR/Src/Util/Util_SystemInfo.cpp b/LibOVR/Src/Util/Util_SystemInfo.cpp new file mode 100644 index 0000000..0fca243 --- /dev/null +++ b/LibOVR/Src/Util/Util_SystemInfo.cpp @@ -0,0 +1,289 @@ +/************************************************************************************ + +Filename : Util_SystemInfo.cpp +Content : Various operations to get information about the system +Created : September 26, 2014 +Author : Kevin Jenkins + +Copyright : Copyright 2014 Oculus VR, LLC All Rights reserved. + +Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License"); +you may not use the Oculus VR Rift SDK except in compliance with the License, +which is provided at the time of installation or download, or which +otherwise accompanies this software in either electronic or hard copy form. + +You may obtain a copy of the License at + +http://www.oculusvr.com/licenses/LICENSE-3.2 + +Unless required by applicable law or agreed to in writing, the Oculus VR SDK +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +************************************************************************************/ + +#include "Util_SystemInfo.h" +#include "../Kernel/OVR_Timer.h" +#include "../Kernel/OVR_Threads.h" +#include "../Kernel/OVR_Log.h" +#include "../Kernel/OVR_Array.h" + +/* +// Disabled, can't link RiftConfigUtil +#ifdef OVR_OS_WIN32 +#define _WIN32_DCOM +#include <comdef.h> +#include <Wbemidl.h> + +# pragma comment(lib, "wbemuuid.lib") +#endif +*/ + + +namespace OVR { namespace Util { + +// From http://blogs.msdn.com/b/oldnewthing/archive/2005/02/01/364563.aspx +#if defined (OVR_OS_WIN64) || defined (OVR_OS_WIN32) + +#pragma comment(lib, "version.lib") + +typedef BOOL(WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL); +BOOL Is64BitWindows() +{ +#if defined(_WIN64) + return TRUE; // 64-bit programs run only on Win64 +#elif defined(_WIN32) + // 32-bit programs run on both 32-bit and 64-bit Windows + // so must sniff + BOOL f64 = FALSE; + LPFN_ISWOW64PROCESS fnIsWow64Process; + + fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(L"kernel32"), "IsWow64Process"); + if (NULL != fnIsWow64Process) + { + return fnIsWow64Process(GetCurrentProcess(), &f64) && f64; + } + return FALSE; +#else + return FALSE; // Win64 does not support Win16 +#endif +} +#endif + +const char * OSAsString() +{ +#if defined (OVR_OS_IPHONE) + return "IPhone"; +#elif defined (OVR_OS_DARWIN) + return "Darwin"; +#elif defined (OVR_OS_MAC) + return "Mac"; +#elif defined (OVR_OS_BSD) + return "BSD"; +#elif defined (OVR_OS_WIN64) || defined (OVR_OS_WIN32) + if (Is64BitWindows()) + return "Win64"; + else + return "Win32"; +#elif defined (OVR_OS_ANDROID) + return "Android"; +#elif defined (OVR_OS_LINUX) + return "Linux"; +#elif defined (OVR_OS_BSD) + return "BSD"; +#else + return "Other"; +#endif +} + +uint64_t GetGuidInt() +{ + uint64_t g = Timer::GetTicksNanos(); + + uint64_t lastTime, thisTime; + int j; + // Sleep a small random time, then use the last 4 bits as a source of randomness + for (j = 0; j < 8; j++) + { + lastTime = Timer::GetTicksNanos(); + Thread::MSleep(1); + Thread::MSleep(0); + thisTime = Timer::GetTicksNanos(); + uint64_t diff = thisTime - lastTime; + unsigned int diff4Bits = (unsigned int)(diff & 15); + diff4Bits <<= 32 - 4; + diff4Bits >>= j * 4; + ((char*)&g)[j] ^= diff4Bits; + } + + return g; +} +String GetGuidString() +{ + uint64_t guid = GetGuidInt(); + + char buff[64]; +#if defined(OVR_CC_MSVC) + OVR_sprintf(buff, sizeof(buff), "%I64u", guid); +#else + OVR_sprintf(buff, sizeof(buff), "%llu", (unsigned long long) guid); +#endif + return String(buff); +} + +const char * GetProcessInfo() +{ + #if defined (OVR_CPU_X86_64 ) + return "64 bit"; +#elif defined (OVR_CPU_X86) + return "32 bit"; +#else + return "TODO"; +#endif +} +#ifdef OVR_OS_WIN32 + + +String OSVersionAsString() +{ + return GetSystemFileVersionString("\\kernel32.dll"); +} +String GetSystemFileVersionString(String filePath) +{ + char strFilePath[MAX_PATH]; // Local variable + UINT sysDirLen = GetSystemDirectoryA(strFilePath, ARRAYSIZE(strFilePath)); + if (sysDirLen != 0) + { + OVR_strcat(strFilePath, MAX_PATH, filePath.ToCStr()); + return GetFileVersionString(strFilePath); + } + else + { + return "GetSystemDirectoryA failed"; + } +} +// See http://stackoverflow.com/questions/940707/how-do-i-programatically-get-the-version-of-a-dll-or-exe-file +String GetFileVersionString(String filePath) +{ + String result; + + DWORD dwSize = GetFileVersionInfoSizeA(filePath.ToCStr(), NULL); + if (dwSize == 0) + { + OVR_DEBUG_LOG(("Error in GetFileVersionInfoSizeA: %d (for %s)", GetLastError(), filePath.ToCStr())); + result = filePath + " not found"; + } + else + { + BYTE* pVersionInfo = new BYTE[dwSize]; + if (!pVersionInfo) + { + OVR_DEBUG_LOG(("Out of memory allocating %d bytes (for %s)", dwSize, filePath.ToCStr())); + result = "Out of memory"; + } + else + { + if (!GetFileVersionInfoA(filePath.ToCStr(), 0, dwSize, pVersionInfo)) + { + OVR_DEBUG_LOG(("Error in GetFileVersionInfo: %d (for %s)", GetLastError(), filePath.ToCStr())); + result = "Cannot get version info"; + } + else + { + VS_FIXEDFILEINFO* pFileInfo = NULL; + UINT pLenFileInfo = 0; + if (!VerQueryValue(pVersionInfo, TEXT("\\"), (LPVOID*)&pFileInfo, &pLenFileInfo)) + { + OVR_DEBUG_LOG(("Error in VerQueryValue: %d (for %s)", GetLastError(), filePath.ToCStr())); + result = "File has no version info"; + } + else + { + int major = (pFileInfo->dwFileVersionMS >> 16) & 0xffff; + int minor = (pFileInfo->dwFileVersionMS) & 0xffff; + int hotfix = (pFileInfo->dwFileVersionLS >> 16) & 0xffff; + int other = (pFileInfo->dwFileVersionLS) & 0xffff; + + char str[128]; + OVR::OVR_sprintf(str, 128, "%d.%d.%d.%d", major, minor, hotfix, other); + + result = str; + } + } + + delete[] pVersionInfo; + } + } + + return result; +} + + +String GetDisplayDriverVersion() +{ + return GetSystemFileVersionString("\\OVRDisplay32.dll"); +} +String GetCameraDriverVersion() +{ + return GetSystemFileVersionString("\\drivers\\OCUSBVID.sys"); +} + +// From http://stackoverflow.com/questions/9524309/enumdisplaydevices-function-not-working-for-me +void GetGraphicsCardList( Array< String > &gpus) +{ + gpus.Clear(); + + DISPLAY_DEVICEA dd; + + dd.cb = sizeof(dd); + + DWORD deviceNum = 0; + while( EnumDisplayDevicesA(NULL, deviceNum, &dd, 0) ){ + if (dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE) + gpus.PushBack(dd.DeviceString); + deviceNum++; + } +} +#else + +// used for driver files + +String GetFileVersionString(String /*filePath*/) +{ + return String(); +} + +String GetSystemFileVersionString(String /*filePath*/) +{ + return String(); +} + +String GetDisplayDriverVersion() +{ + return String(); +} + +String GetCameraDriverVersion() +{ + return String(); +} + +#ifdef OVR_OS_MAC + //use objective c source +#else + +//todo linux, this requires searching /var/ files +void GetGraphicsCardList(OVR::Array< OVR::String > &gpus) +{ + gpus.Clear(); +} +String OSVersionAsString() +{ + return String(); +} +#endif //OVR_OS_MAC +#endif // WIN32 + +} } // namespace OVR { namespace Util { |