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/**
* @file llsys.h
* @brief System information debugging classes.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_SYS_H
#define LL_SYS_H
//
// The LLOSInfo, LLCPUInfo, and LLMemoryInfo classes are essentially
// the same, but query different machine subsystems. Here's how you
// use an LLCPUInfo object:
//
// LLCPUInfo info;
// LL_INFOS() << info << LL_ENDL;
//
#include "llsd.h"
#include "llsingleton.h"
#include <iosfwd>
#include <string>
class LL_COMMON_API LLOSInfo : public LLSingleton<LLOSInfo>
{
LLSINGLETON(LLOSInfo);
public:
void stream(std::ostream& s) const;
const std::string& getOSString() const;
const std::string& getOSStringSimple() const;
const std::string& getOSVersionString() const;
const S32 getOSBitness() const;
S32 mMajorVer;
S32 mMinorVer;
S32 mBuild;
#ifndef LL_WINDOWS
static long getMaxOpenFiles();
#endif
static bool is64Bit();
static U32 getProcessVirtualSizeKB();
static U32 getProcessResidentSizeKB();
private:
std::string mOSString;
std::string mOSStringSimple;
std::string mOSVersionString;
S32 mOSBitness;
};
class LL_COMMON_API LLCPUInfo
{
public:
LLCPUInfo();
void stream(std::ostream& s) const;
std::string getCPUString() const;
const LLSD& getSSEVersions() const;
bool hasAltivec() const;
bool hasSSE() const;
bool hasSSE2() const;
bool hasSSE3() const;
bool hasSSE3S() const;
bool hasSSE41() const;
bool hasSSE42() const;
bool hasSSE4a() const;
F64 getMHz() const;
// Family is "AMD Duron" or "Intel Pentium Pro"
const std::string& getFamily() const { return mFamily; }
private:
bool mHasSSE;
bool mHasSSE2;
bool mHasSSE3;
bool mHasSSE3S;
bool mHasSSE41;
bool mHasSSE42;
bool mHasSSE4a;
bool mHasAltivec;
F64 mCPUMHz;
std::string mFamily;
std::string mCPUString;
LLSD mSSEVersions;
};
//=============================================================================
//
// CLASS LLMemoryInfo
class LL_COMMON_API LLMemoryInfo
/*! @brief Class to query the memory subsystem
@details
Here's how you use an LLMemoryInfo:
LLMemoryInfo info;
<br> LL_INFOS() << info << LL_ENDL;
*/
{
public:
LLMemoryInfo(); ///< Default constructor
void stream(std::ostream& s) const; ///< output text info to s
U32Kilobytes getPhysicalMemoryKB() const;
#if LL_DARWIN || __FreeBSD__
static U32Kilobytes getHardwareMemSize(); // Because some Mac linkers won't let us reference extern gSysMemory from a different lib.
#endif
//get the available memory in KiloBytes.
static void getAvailableMemoryKB(U32Kilobytes& avail_mem_kb);
// Retrieve a map of memory statistics. The keys of the map are platform-
// dependent. The values are in kilobytes to try to avoid integer overflow.
LLSD getStatsMap() const;
// Re-fetch memory data (as reported by stream() and getStatsMap()) from the
// system. Normally this is fetched at construction time. Return (*this)
// to permit usage of the form:
// @code
// LLMemoryInfo info;
// ...
// info.refresh().getStatsMap();
// @endcode
LLMemoryInfo& refresh();
private:
// set mStatsMap
static LLSD loadStatsMap();
// Memory stats for getStatsMap().
LLSD mStatsMap;
};
LL_COMMON_API std::ostream& operator<<(std::ostream& s, const LLOSInfo& info);
LL_COMMON_API std::ostream& operator<<(std::ostream& s, const LLCPUInfo& info);
LL_COMMON_API std::ostream& operator<<(std::ostream& s, const LLMemoryInfo& info);
// gunzip srcfile into dstfile. Returns false on error.
bool LL_COMMON_API gunzip_file(const std::string& srcfile, const std::string& dstfile);
// gzip srcfile into dstfile. Returns false on error.
bool LL_COMMON_API gzip_file(const std::string& srcfile, const std::string& dstfile);
extern LL_COMMON_API LLMemoryInfo gSysMemory;
extern LL_COMMON_API LLCPUInfo gSysCPU;
#endif // LL_LLSYS_H
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