634 lines
15 KiB
C++
634 lines
15 KiB
C++
/**
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* @file llsys.cpp
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* @brief Impelementation of the basic system query functions.
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*
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* Copyright (c) 2002-$CurrentYear$, Linden Research, Inc.
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* $License$
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*/
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#include "linden_common.h"
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#include "llsys.h"
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#include <iostream>
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#ifdef LL_STANDALONE
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# include <zlib.h>
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#else
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# include "zlib/zlib.h"
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#endif
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#include "llprocessor.h"
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#if LL_WINDOWS
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# define WIN32_LEAN_AND_MEAN
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# include <winsock2.h>
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# include <windows.h>
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#elif LL_DARWIN
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# include <sys/sysctl.h>
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# include <sys/utsname.h>
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#elif LL_LINUX
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# include <sys/utsname.h>
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# include <unistd.h>
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# include <sys/sysinfo.h>
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const char MEMINFO_FILE[] = "/proc/meminfo";
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const char CPUINFO_FILE[] = "/proc/cpuinfo";
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#endif
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static const S32 CPUINFO_BUFFER_SIZE = 16383;
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LLCPUInfo gSysCPU;
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LLOSInfo::LLOSInfo() :
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mMajorVer(0), mMinorVer(0), mBuild(0),
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mOSString("")
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{
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#if LL_WINDOWS
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OSVERSIONINFOEX osvi;
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BOOL bOsVersionInfoEx;
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// Try calling GetVersionEx using the OSVERSIONINFOEX structure.
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ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
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osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
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if(!(bOsVersionInfoEx = GetVersionEx((OSVERSIONINFO *) &osvi)))
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{
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// If OSVERSIONINFOEX doesn't work, try OSVERSIONINFO.
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osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
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if(!GetVersionEx( (OSVERSIONINFO *) &osvi))
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return;
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}
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mMajorVer = osvi.dwMajorVersion;
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mMinorVer = osvi.dwMinorVersion;
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mBuild = osvi.dwBuildNumber;
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switch(osvi.dwPlatformId)
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{
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case VER_PLATFORM_WIN32_NT:
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{
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// Test for the product.
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if(osvi.dwMajorVersion <= 4)
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{
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mOSString = "Microsoft Windows NT ";
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}
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else if(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)
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{
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mOSString = "Microsoft Windows 2000 ";
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}
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else if(osvi.dwMajorVersion ==5 && osvi.dwMinorVersion == 1)
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{
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mOSString = "Microsoft Windows XP ";
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}
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else if(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2)
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{
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if(osvi.wProductType == VER_NT_WORKSTATION)
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mOSString = "Microsoft Windows XP x64 Edition ";
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else mOSString = "Microsoft Windows Server 2003 ";
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}
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else if(osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 0)
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{
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if(osvi.wProductType == VER_NT_WORKSTATION)
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mOSString = "Microsoft Windows Vista ";
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else mOSString = "Microsoft Windows Vista Server ";
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}
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else // Use the registry on early versions of Windows NT.
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{
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HKEY hKey;
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WCHAR szProductType[80];
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DWORD dwBufLen;
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RegOpenKeyEx( HKEY_LOCAL_MACHINE,
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L"SYSTEM\\CurrentControlSet\\Control\\ProductOptions",
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0, KEY_QUERY_VALUE, &hKey );
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RegQueryValueEx( hKey, L"ProductType", NULL, NULL,
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(LPBYTE) szProductType, &dwBufLen);
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RegCloseKey( hKey );
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if ( lstrcmpi( L"WINNT", szProductType) == 0 )
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{
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mOSString += "Professional ";
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}
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else if ( lstrcmpi( L"LANMANNT", szProductType) == 0 )
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{
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mOSString += "Server ";
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}
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else if ( lstrcmpi( L"SERVERNT", szProductType) == 0 )
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{
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mOSString += "Advanced Server ";
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}
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}
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std::string csdversion = utf16str_to_utf8str(osvi.szCSDVersion);
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// Display version, service pack (if any), and build number.
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char tmp[MAX_STRING]; /* Flawfinder: ignore */
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if(osvi.dwMajorVersion <= 4)
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{
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snprintf( /* Flawfinder: ignore */
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tmp,
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sizeof(tmp),
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"version %d.%d %s (Build %d)",
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osvi.dwMajorVersion,
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osvi.dwMinorVersion,
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csdversion.c_str(),
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(osvi.dwBuildNumber & 0xffff));
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}
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else
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{
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snprintf( /* Flawfinder: ignore */
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tmp,
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sizeof(tmp),
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"%s (Build %d)",
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csdversion.c_str(),
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(osvi.dwBuildNumber & 0xffff));
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}
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mOSString += tmp;
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}
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break;
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case VER_PLATFORM_WIN32_WINDOWS:
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// Test for the Windows 95 product family.
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if(osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0)
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{
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mOSString = "Microsoft Windows 95 ";
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if ( osvi.szCSDVersion[1] == 'C' || osvi.szCSDVersion[1] == 'B' )
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{
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mOSString += "OSR2 ";
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}
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}
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if(osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10)
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{
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mOSString = "Microsoft Windows 98 ";
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if ( osvi.szCSDVersion[1] == 'A' )
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{
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mOSString += "SE ";
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}
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}
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if(osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90)
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{
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mOSString = "Microsoft Windows Millennium Edition ";
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}
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break;
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}
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#else
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struct utsname un;
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if(uname(&un) != -1)
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{
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mOSString.append(un.sysname);
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mOSString.append(" ");
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mOSString.append(un.release);
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mOSString.append(" ");
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mOSString.append(un.version);
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mOSString.append(" ");
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mOSString.append(un.machine);
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}
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else
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{
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mOSString.append("Unable to collect OS info");
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}
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#endif
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}
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#ifndef LL_WINDOWS
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// static
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S32 LLOSInfo::getMaxOpenFiles()
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{
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const S32 OPEN_MAX_GUESS = 256;
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#ifdef OPEN_MAX
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static S32 open_max = OPEN_MAX;
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#else
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static S32 open_max = 0;
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#endif
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if (0 == open_max)
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{
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// First time through.
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errno = 0;
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if ( (open_max = sysconf(_SC_OPEN_MAX)) < 0)
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{
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if (0 == errno)
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{
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// Indeterminate.
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open_max = OPEN_MAX_GUESS;
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}
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else
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{
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llerrs << "LLOSInfo::getMaxOpenFiles: sysconf error for _SC_OPEN_MAX" << llendl;
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}
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}
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}
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return open_max;
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}
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#endif
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void LLOSInfo::stream(std::ostream& s) const
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{
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s << mOSString;
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}
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const std::string& LLOSInfo::getOSString() const
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{
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return mOSString;
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}
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const S32 STATUS_SIZE = 8192;
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//static
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U32 LLOSInfo::getProcessVirtualSizeKB()
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{
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U32 virtual_size = 0;
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#if LL_WINDOWS
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#endif
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#if LL_LINUX
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FILE* status_filep = LLFile::fopen("/proc/self/status", "rb");
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S32 numRead = 0;
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char buff[STATUS_SIZE]; /* Flawfinder: ignore */
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size_t nbytes = fread(buff, 1, STATUS_SIZE-1, status_filep);
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buff[nbytes] = '\0';
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// All these guys return numbers in KB
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char *memp = strstr(buff, "VmSize:");
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if (memp)
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{
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numRead += sscanf(memp, "%*s %u", &virtual_size);
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}
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fclose(status_filep);
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#elif LL_SOLARIS
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char proc_ps[LL_MAX_PATH];
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sprintf(proc_ps, "/proc/%d/psinfo", (int)getpid());
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int proc_fd = -1;
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if((proc_fd = open(proc_ps, O_RDONLY)) == -1){
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llwarns << "unable to open " << proc_ps << llendl;
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return 0;
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}
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psinfo_t proc_psinfo;
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if(read(proc_fd, &proc_psinfo, sizeof(psinfo_t)) != sizeof(psinfo_t)){
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llwarns << "Unable to read " << proc_ps << llendl;
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close(proc_fd);
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return 0;
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}
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close(proc_fd);
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virtual_size = proc_psinfo.pr_size;
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#endif
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return virtual_size;
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}
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//static
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U32 LLOSInfo::getProcessResidentSizeKB()
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{
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U32 resident_size = 0;
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#if LL_WINDOWS
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#endif
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#if LL_LINUX
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FILE* status_filep = LLFile::fopen("/proc/self/status", "rb");
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if (status_filep != NULL)
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{
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S32 numRead = 0;
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char buff[STATUS_SIZE]; /* Flawfinder: ignore */
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size_t nbytes = fread(buff, 1, STATUS_SIZE-1, status_filep);
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buff[nbytes] = '\0';
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// All these guys return numbers in KB
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char *memp = strstr(buff, "VmRSS:");
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if (memp)
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{
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numRead += sscanf(memp, "%*s %u", &resident_size);
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}
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fclose(status_filep);
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}
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#elif LL_SOLARIS
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char proc_ps[LL_MAX_PATH];
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sprintf(proc_ps, "/proc/%d/psinfo", (int)getpid());
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int proc_fd = -1;
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if((proc_fd = open(proc_ps, O_RDONLY)) == -1){
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llwarns << "unable to open " << proc_ps << llendl;
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return 0;
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}
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psinfo_t proc_psinfo;
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if(read(proc_fd, &proc_psinfo, sizeof(psinfo_t)) != sizeof(psinfo_t)){
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llwarns << "Unable to read " << proc_ps << llendl;
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close(proc_fd);
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return 0;
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}
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close(proc_fd);
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resident_size = proc_psinfo.pr_rssize;
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#endif
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return resident_size;
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}
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LLCPUInfo::LLCPUInfo()
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{
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std::ostringstream out;
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CProcessor proc;
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const ProcessorInfo* info = proc.GetCPUInfo();
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// proc.WriteInfoTextFile("procInfo.txt");
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mHasSSE = info->_Ext.SSE_StreamingSIMD_Extensions;
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mHasSSE2 = info->_Ext.SSE2_StreamingSIMD2_Extensions;
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mHasAltivec = info->_Ext.Altivec_Extensions;
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mCPUMhz = (S32)(proc.GetCPUFrequency(50)/1000000.0);
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mFamily.assign( info->strFamily );
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mCPUString = "Unknown";
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#if LL_WINDOWS || LL_DARWIN || LL_SOLARIS
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out << proc.strCPUName;
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if (200 < mCPUMhz && mCPUMhz < 10000) // *NOTE: cpu speed is often way wrong, do a sanity check
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{
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out << " (" << mCPUMhz << " MHz)";
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}
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mCPUString = out.str();
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#elif LL_LINUX
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std::map< LLString, LLString > cpuinfo;
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FILE* cpuinfo_fp = LLFile::fopen(CPUINFO_FILE, "rb");
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if(cpuinfo_fp)
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{
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char line[MAX_STRING];
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memset(line, 0, MAX_STRING);
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while(fgets(line, MAX_STRING, cpuinfo_fp))
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{
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// /proc/cpuinfo on Linux looks like:
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// name\t*: value\n
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char* tabspot = strchr( line, '\t' );
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if (tabspot == NULL)
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continue;
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char* colspot = strchr( tabspot, ':' );
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if (colspot == NULL)
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continue;
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char* spacespot = strchr( colspot, ' ' );
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if (spacespot == NULL)
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continue;
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char* nlspot = strchr( line, '\n' );
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if (nlspot == NULL)
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nlspot = line + strlen( line ); // Fallback to terminating NUL
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std::string linename( line, tabspot );
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LLString llinename(linename);
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LLString::toLower(llinename);
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std::string lineval( spacespot + 1, nlspot );
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cpuinfo[ llinename ] = lineval;
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}
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fclose(cpuinfo_fp);
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}
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# if LL_X86
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LLString flags = " " + cpuinfo["flags"] + " ";
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LLString::toLower(flags);
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mHasSSE = ( flags.find( " sse " ) != std::string::npos );
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mHasSSE2 = ( flags.find( " sse2 " ) != std::string::npos );
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F64 mhz;
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if (LLString::convertToF64(cpuinfo["cpu mhz"], mhz)
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&& 200.0 < mhz && mhz < 10000.0)
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{
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mCPUMhz = (S32)llrint(mhz);
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}
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if (!cpuinfo["model name"].empty())
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mCPUString = cpuinfo["model name"];
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# endif // LL_X86
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#endif // LL_LINUX
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}
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bool LLCPUInfo::hasAltivec() const
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{
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return mHasAltivec;
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}
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bool LLCPUInfo::hasSSE() const
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{
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return mHasSSE;
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}
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bool LLCPUInfo::hasSSE2() const
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{
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return mHasSSE2;
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}
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S32 LLCPUInfo::getMhz() const
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{
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return mCPUMhz;
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}
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std::string LLCPUInfo::getCPUString() const
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{
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return mCPUString;
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}
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void LLCPUInfo::stream(std::ostream& s) const
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{
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#if LL_WINDOWS || LL_DARWIN || LL_SOLARIS
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// gather machine information.
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char proc_buf[CPUINFO_BUFFER_SIZE]; /* Flawfinder: ignore */
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CProcessor proc;
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if(proc.CPUInfoToText(proc_buf, CPUINFO_BUFFER_SIZE))
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{
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s << proc_buf;
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}
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else
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{
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s << "Unable to collect processor information" << std::endl;
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}
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#else
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// *NOTE: This works on linux. What will it do on other systems?
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FILE* cpuinfo = LLFile::fopen(CPUINFO_FILE, "rb");
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if(cpuinfo)
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{
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char line[MAX_STRING];
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memset(line, 0, MAX_STRING);
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while(fgets(line, MAX_STRING, cpuinfo))
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{
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line[strlen(line)-1] = ' ';
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s << line;
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}
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fclose(cpuinfo);
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s << std::endl;
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}
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else
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{
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s << "Unable to collect processor information" << std::endl;
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}
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#endif
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// These are interesting as they reflect our internal view of the
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// CPU's attributes regardless of platform
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s << "->mHasSSE: " << (U32)mHasSSE << std::endl;
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s << "->mHasSSE2: " << (U32)mHasSSE2 << std::endl;
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s << "->mHasAltivec: " << (U32)mHasAltivec << std::endl;
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s << "->mCPUMhz: " << mCPUMhz << std::endl;
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s << "->mCPUString: " << mCPUString << std::endl;
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}
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LLMemoryInfo::LLMemoryInfo()
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{
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}
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U32 LLMemoryInfo::getPhysicalMemory() const
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{
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#if LL_WINDOWS
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MEMORYSTATUS state;
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state.dwLength = sizeof(state);
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GlobalMemoryStatus(&state);
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return (U32)state.dwTotalPhys;
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#elif LL_DARWIN
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// This might work on Linux as well. Someone check...
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unsigned int phys = 0;
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int mib[2] = { CTL_HW, HW_PHYSMEM };
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size_t len = sizeof(phys);
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sysctl(mib, 2, &phys, &len, NULL, 0);
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return phys;
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#elif LL_LINUX
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return getpagesize() * get_phys_pages();
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#elif LL_SOLARIS
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return getpagesize() * sysconf(_SC_PHYS_PAGES);
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#else
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return 0;
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#endif
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}
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void LLMemoryInfo::stream(std::ostream& s) const
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{
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#if LL_WINDOWS
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MEMORYSTATUS state;
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state.dwLength = sizeof(state);
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GlobalMemoryStatus(&state);
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s << "Percent Memory use: " << (U32)state.dwMemoryLoad << '%' << std::endl;
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s << "Total Physical Kb: " << (U32)state.dwTotalPhys/1024 << std::endl;
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s << "Avail Physical Kb: " << (U32)state.dwAvailPhys/1024 << std::endl;
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s << "Total page Kb: " << (U32)state.dwTotalPageFile/1024 << std::endl;
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s << "Avail page Kb: " << (U32)state.dwAvailPageFile/1024 << std::endl;
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s << "Total Virtual Kb: " << (U32)state.dwTotalVirtual/1024 << std::endl;
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s << "Avail Virtual Kb: " << (U32)state.dwAvailVirtual/1024 << std::endl;
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#elif LL_DARWIN
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U64 phys = 0;
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size_t len = sizeof(phys);
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if(sysctlbyname("hw.memsize", &phys, &len, NULL, 0) == 0)
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{
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s << "Total Physical Kb: " << phys/1024 << std::endl;
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}
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else
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{
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s << "Unable to collect memory information";
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}
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#elif LL_SOLARIS
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U64 phys = 0;
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phys = (U64)(sysconf(_SC_PHYS_PAGES)) * (U64)(sysconf(_SC_PAGESIZE)/1024);
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s << "Total Physical Kb: " << phys << std::endl;
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#else
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// *NOTE: This works on linux. What will it do on other systems?
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|
FILE* meminfo = LLFile::fopen(MEMINFO_FILE,"rb");
|
|
if(meminfo)
|
|
{
|
|
char line[MAX_STRING]; /* Flawfinder: ignore */
|
|
memset(line, 0, MAX_STRING);
|
|
while(fgets(line, MAX_STRING, meminfo))
|
|
{
|
|
line[strlen(line)-1] = ' '; /*Flawfinder: ignore*/
|
|
s << line;
|
|
}
|
|
fclose(meminfo);
|
|
}
|
|
else
|
|
{
|
|
s << "Unable to collect memory information";
|
|
}
|
|
#endif
|
|
}
|
|
|
|
std::ostream& operator<<(std::ostream& s, const LLOSInfo& info)
|
|
{
|
|
info.stream(s);
|
|
return s;
|
|
}
|
|
|
|
std::ostream& operator<<(std::ostream& s, const LLCPUInfo& info)
|
|
{
|
|
info.stream(s);
|
|
return s;
|
|
}
|
|
|
|
std::ostream& operator<<(std::ostream& s, const LLMemoryInfo& info)
|
|
{
|
|
info.stream(s);
|
|
return s;
|
|
}
|
|
|
|
BOOL gunzip_file(const char *srcfile, const char *dstfile)
|
|
{
|
|
char tmpfile[LL_MAX_PATH]; /* Flawfinder: ignore */
|
|
const S32 UNCOMPRESS_BUFFER_SIZE = 32768;
|
|
BOOL retval = FALSE;
|
|
gzFile src = NULL;
|
|
U8 buffer[UNCOMPRESS_BUFFER_SIZE];
|
|
FILE *dst = NULL;
|
|
S32 bytes = 0;
|
|
(void *) strcpy(tmpfile, dstfile); /* Flawfinder: ignore */
|
|
(void *) strncat(tmpfile, ".t", sizeof(tmpfile) - strlen(tmpfile) -1); /* Flawfinder: ignore */
|
|
src = gzopen(srcfile, "rb");
|
|
if (! src) goto err;
|
|
dst = LLFile::fopen(tmpfile, "wb"); /* Flawfinder: ignore */
|
|
if (! dst) goto err;
|
|
do
|
|
{
|
|
bytes = gzread(src, buffer, UNCOMPRESS_BUFFER_SIZE);
|
|
size_t nwrit = fwrite(buffer, sizeof(U8), bytes, dst);
|
|
if (nwrit < (size_t) bytes)
|
|
{
|
|
llerrs << "Short write on " << tmpfile << llendl;
|
|
}
|
|
} while(gzeof(src) == 0);
|
|
fclose(dst);
|
|
dst = NULL;
|
|
if (LLFile::rename(tmpfile, dstfile) == -1) goto err; /* Flawfinder: ignore */
|
|
retval = TRUE;
|
|
err:
|
|
if (src != NULL) gzclose(src);
|
|
if (dst != NULL) fclose(dst);
|
|
return retval;
|
|
}
|
|
|
|
BOOL gzip_file(const char *srcfile, const char *dstfile)
|
|
{
|
|
const S32 COMPRESS_BUFFER_SIZE = 32768;
|
|
char tmpfile[LL_MAX_PATH]; /* Flawfinder: ignore */
|
|
BOOL retval = FALSE;
|
|
U8 buffer[COMPRESS_BUFFER_SIZE];
|
|
gzFile dst = NULL;
|
|
FILE *src = NULL;
|
|
S32 bytes = 0;
|
|
(void *) strcpy(tmpfile, dstfile); /* Flawfinder: ignore */
|
|
(void *) strncat(tmpfile, ".t", sizeof(tmpfile) - strlen(tmpfile) -1); /* Flawfinder: ignore */
|
|
dst = gzopen(tmpfile, "wb"); /* Flawfinder: ignore */
|
|
if (! dst) goto err;
|
|
src = LLFile::fopen(srcfile, "rb"); /* Flawfinder: ignore */
|
|
if (! src) goto err;
|
|
|
|
do
|
|
{
|
|
bytes = (S32)fread(buffer, sizeof(U8), COMPRESS_BUFFER_SIZE,src);
|
|
gzwrite(dst, buffer, bytes);
|
|
} while(feof(src) == 0);
|
|
gzclose(dst);
|
|
dst = NULL;
|
|
#if LL_WINDOWS
|
|
// Rename in windows needs the dstfile to not exist.
|
|
LLFile::remove(dstfile);
|
|
#endif
|
|
if (LLFile::rename(tmpfile, dstfile) == -1) goto err; /* Flawfinder: ignore */
|
|
retval = TRUE;
|
|
err:
|
|
if (src != NULL) fclose(src);
|
|
if (dst != NULL) gzclose(dst);
|
|
return retval;
|
|
}
|