wownero/src/common/util.cpp
moneromooo-monero 513a658c87
add a --max-concurrency flag
It sets the max number of threads to use for a parallel job.
This is different that the number of total threads, since monero
binaries typically start a lot of them.
2016-04-28 20:33:59 +01:00

448 lines
14 KiB
C++

// Copyright (c) 2014-2016, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#include <cstdio>
#include "include_base_utils.h"
using namespace epee;
#include "util.h"
#include "cryptonote_config.h"
#ifdef WIN32
#include <windows.h>
#include <shlobj.h>
#include <strsafe.h>
#else
#include <sys/utsname.h>
#endif
#include <boost/filesystem.hpp>
namespace tools
{
std::function<void(int)> signal_handler::m_handler;
#ifdef WIN32
std::string get_windows_version_display_string()
{
typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO);
typedef BOOL (WINAPI *PGPI)(DWORD, DWORD, DWORD, DWORD, PDWORD);
#define BUFSIZE 10000
char pszOS[BUFSIZE] = {0};
OSVERSIONINFOEX osvi;
SYSTEM_INFO si;
PGNSI pGNSI;
PGPI pGPI;
BOOL bOsVersionInfoEx;
DWORD dwType;
ZeroMemory(&si, sizeof(SYSTEM_INFO));
ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
bOsVersionInfoEx = GetVersionEx((OSVERSIONINFO*) &osvi);
if(!bOsVersionInfoEx) return pszOS;
// Call GetNativeSystemInfo if supported or GetSystemInfo otherwise.
pGNSI = (PGNSI) GetProcAddress(
GetModuleHandle(TEXT("kernel32.dll")),
"GetNativeSystemInfo");
if(NULL != pGNSI)
pGNSI(&si);
else GetSystemInfo(&si);
if ( VER_PLATFORM_WIN32_NT==osvi.dwPlatformId &&
osvi.dwMajorVersion > 4 )
{
StringCchCopy(pszOS, BUFSIZE, TEXT("Microsoft "));
// Test for the specific product.
if ( osvi.dwMajorVersion == 6 )
{
if( osvi.dwMinorVersion == 0 )
{
if( osvi.wProductType == VER_NT_WORKSTATION )
StringCchCat(pszOS, BUFSIZE, TEXT("Windows Vista "));
else StringCchCat(pszOS, BUFSIZE, TEXT("Windows Server 2008 " ));
}
if ( osvi.dwMinorVersion == 1 )
{
if( osvi.wProductType == VER_NT_WORKSTATION )
StringCchCat(pszOS, BUFSIZE, TEXT("Windows 7 "));
else StringCchCat(pszOS, BUFSIZE, TEXT("Windows Server 2008 R2 " ));
}
pGPI = (PGPI) GetProcAddress(
GetModuleHandle(TEXT("kernel32.dll")),
"GetProductInfo");
pGPI( osvi.dwMajorVersion, osvi.dwMinorVersion, 0, 0, &dwType);
switch( dwType )
{
case PRODUCT_ULTIMATE:
StringCchCat(pszOS, BUFSIZE, TEXT("Ultimate Edition" ));
break;
case PRODUCT_PROFESSIONAL:
StringCchCat(pszOS, BUFSIZE, TEXT("Professional" ));
break;
case PRODUCT_HOME_PREMIUM:
StringCchCat(pszOS, BUFSIZE, TEXT("Home Premium Edition" ));
break;
case PRODUCT_HOME_BASIC:
StringCchCat(pszOS, BUFSIZE, TEXT("Home Basic Edition" ));
break;
case PRODUCT_ENTERPRISE:
StringCchCat(pszOS, BUFSIZE, TEXT("Enterprise Edition" ));
break;
case PRODUCT_BUSINESS:
StringCchCat(pszOS, BUFSIZE, TEXT("Business Edition" ));
break;
case PRODUCT_STARTER:
StringCchCat(pszOS, BUFSIZE, TEXT("Starter Edition" ));
break;
case PRODUCT_CLUSTER_SERVER:
StringCchCat(pszOS, BUFSIZE, TEXT("Cluster Server Edition" ));
break;
case PRODUCT_DATACENTER_SERVER:
StringCchCat(pszOS, BUFSIZE, TEXT("Datacenter Edition" ));
break;
case PRODUCT_DATACENTER_SERVER_CORE:
StringCchCat(pszOS, BUFSIZE, TEXT("Datacenter Edition (core installation)" ));
break;
case PRODUCT_ENTERPRISE_SERVER:
StringCchCat(pszOS, BUFSIZE, TEXT("Enterprise Edition" ));
break;
case PRODUCT_ENTERPRISE_SERVER_CORE:
StringCchCat(pszOS, BUFSIZE, TEXT("Enterprise Edition (core installation)" ));
break;
case PRODUCT_ENTERPRISE_SERVER_IA64:
StringCchCat(pszOS, BUFSIZE, TEXT("Enterprise Edition for Itanium-based Systems" ));
break;
case PRODUCT_SMALLBUSINESS_SERVER:
StringCchCat(pszOS, BUFSIZE, TEXT("Small Business Server" ));
break;
case PRODUCT_SMALLBUSINESS_SERVER_PREMIUM:
StringCchCat(pszOS, BUFSIZE, TEXT("Small Business Server Premium Edition" ));
break;
case PRODUCT_STANDARD_SERVER:
StringCchCat(pszOS, BUFSIZE, TEXT("Standard Edition" ));
break;
case PRODUCT_STANDARD_SERVER_CORE:
StringCchCat(pszOS, BUFSIZE, TEXT("Standard Edition (core installation)" ));
break;
case PRODUCT_WEB_SERVER:
StringCchCat(pszOS, BUFSIZE, TEXT("Web Server Edition" ));
break;
}
}
if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2 )
{
if( GetSystemMetrics(SM_SERVERR2) )
StringCchCat(pszOS, BUFSIZE, TEXT( "Windows Server 2003 R2, "));
else if ( osvi.wSuiteMask & VER_SUITE_STORAGE_SERVER )
StringCchCat(pszOS, BUFSIZE, TEXT( "Windows Storage Server 2003"));
else if ( osvi.wSuiteMask & VER_SUITE_WH_SERVER )
StringCchCat(pszOS, BUFSIZE, TEXT( "Windows Home Server"));
else if( osvi.wProductType == VER_NT_WORKSTATION &&
si.wProcessorArchitecture==PROCESSOR_ARCHITECTURE_AMD64)
{
StringCchCat(pszOS, BUFSIZE, TEXT( "Windows XP Professional x64 Edition"));
}
else StringCchCat(pszOS, BUFSIZE, TEXT("Windows Server 2003, "));
// Test for the server type.
if ( osvi.wProductType != VER_NT_WORKSTATION )
{
if ( si.wProcessorArchitecture==PROCESSOR_ARCHITECTURE_IA64 )
{
if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
StringCchCat(pszOS, BUFSIZE, TEXT( "Datacenter Edition for Itanium-based Systems" ));
else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
StringCchCat(pszOS, BUFSIZE, TEXT( "Enterprise Edition for Itanium-based Systems" ));
}
else if ( si.wProcessorArchitecture==PROCESSOR_ARCHITECTURE_AMD64 )
{
if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
StringCchCat(pszOS, BUFSIZE, TEXT( "Datacenter x64 Edition" ));
else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
StringCchCat(pszOS, BUFSIZE, TEXT( "Enterprise x64 Edition" ));
else StringCchCat(pszOS, BUFSIZE, TEXT( "Standard x64 Edition" ));
}
else
{
if ( osvi.wSuiteMask & VER_SUITE_COMPUTE_SERVER )
StringCchCat(pszOS, BUFSIZE, TEXT( "Compute Cluster Edition" ));
else if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
StringCchCat(pszOS, BUFSIZE, TEXT( "Datacenter Edition" ));
else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
StringCchCat(pszOS, BUFSIZE, TEXT( "Enterprise Edition" ));
else if ( osvi.wSuiteMask & VER_SUITE_BLADE )
StringCchCat(pszOS, BUFSIZE, TEXT( "Web Edition" ));
else StringCchCat(pszOS, BUFSIZE, TEXT( "Standard Edition" ));
}
}
}
if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1 )
{
StringCchCat(pszOS, BUFSIZE, TEXT("Windows XP "));
if( osvi.wSuiteMask & VER_SUITE_PERSONAL )
StringCchCat(pszOS, BUFSIZE, TEXT( "Home Edition" ));
else StringCchCat(pszOS, BUFSIZE, TEXT( "Professional" ));
}
if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0 )
{
StringCchCat(pszOS, BUFSIZE, TEXT("Windows 2000 "));
if ( osvi.wProductType == VER_NT_WORKSTATION )
{
StringCchCat(pszOS, BUFSIZE, TEXT( "Professional" ));
}
else
{
if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
StringCchCat(pszOS, BUFSIZE, TEXT( "Datacenter Server" ));
else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
StringCchCat(pszOS, BUFSIZE, TEXT( "Advanced Server" ));
else StringCchCat(pszOS, BUFSIZE, TEXT( "Server" ));
}
}
// Include service pack (if any) and build number.
if( strlen(osvi.szCSDVersion) > 0 )
{
StringCchCat(pszOS, BUFSIZE, TEXT(" ") );
StringCchCat(pszOS, BUFSIZE, osvi.szCSDVersion);
}
TCHAR buf[80];
StringCchPrintf( buf, 80, TEXT(" (build %d)"), osvi.dwBuildNumber);
StringCchCat(pszOS, BUFSIZE, buf);
if ( osvi.dwMajorVersion >= 6 )
{
if ( si.wProcessorArchitecture==PROCESSOR_ARCHITECTURE_AMD64 )
StringCchCat(pszOS, BUFSIZE, TEXT( ", 64-bit" ));
else if (si.wProcessorArchitecture==PROCESSOR_ARCHITECTURE_INTEL )
StringCchCat(pszOS, BUFSIZE, TEXT(", 32-bit"));
}
return pszOS;
}
else
{
printf( "This sample does not support this version of Windows.\n");
return pszOS;
}
}
#else
std::string get_nix_version_display_string()
{
utsname un;
if(uname(&un) < 0)
return std::string("*nix: failed to get os version");
return std::string() + un.sysname + " " + un.version + " " + un.release;
}
#endif
std::string get_os_version_string()
{
#ifdef WIN32
return get_windows_version_display_string();
#else
return get_nix_version_display_string();
#endif
}
#ifdef WIN32
std::string get_special_folder_path(int nfolder, bool iscreate)
{
namespace fs = boost::filesystem;
char psz_path[MAX_PATH] = "";
if(SHGetSpecialFolderPathA(NULL, psz_path, nfolder, iscreate))
{
return psz_path;
}
LOG_ERROR("SHGetSpecialFolderPathA() failed, could not obtain requested path.");
return "";
}
#endif
std::string get_default_data_dir()
{
/* Please for the love of god refactor the ifdefs out of this */
// namespace fs = boost::filesystem;
// Windows < Vista: C:\Documents and Settings\Username\Application Data\CRYPTONOTE_NAME
// Windows >= Vista: C:\Users\Username\AppData\Roaming\CRYPTONOTE_NAME
// Mac: ~/Library/Application Support/CRYPTONOTE_NAME
// Unix: ~/.CRYPTONOTE_NAME
std::string config_folder;
#ifdef WIN32
config_folder = get_special_folder_path(CSIDL_COMMON_APPDATA, true) + "\\" + CRYPTONOTE_NAME;
#else
std::string pathRet;
char* pszHome = getenv("HOME");
if (pszHome == NULL || strlen(pszHome) == 0)
pathRet = "/";
else
pathRet = pszHome;
#ifdef MAC_OSX
// Mac
pathRet /= "Library/Application Support";
config_folder = (pathRet + "/" + CRYPTONOTE_NAME);
#else
// Unix
config_folder = (pathRet + "/." + CRYPTONOTE_NAME);
#endif
#endif
return config_folder;
}
bool create_directories_if_necessary(const std::string& path)
{
namespace fs = boost::filesystem;
boost::system::error_code ec;
fs::path fs_path(path);
if (fs::is_directory(fs_path, ec))
{
return true;
}
bool res = fs::create_directories(fs_path, ec);
if (res)
{
LOG_PRINT_L2("Created directory: " << path);
}
else
{
LOG_PRINT_L2("Can't create directory: " << path << ", err: "<< ec.message());
}
return res;
}
std::error_code replace_file(const std::string& replacement_name, const std::string& replaced_name)
{
int code;
#if defined(WIN32)
// Maximizing chances for success
DWORD attributes = ::GetFileAttributes(replaced_name.c_str());
if (INVALID_FILE_ATTRIBUTES != attributes)
{
::SetFileAttributes(replaced_name.c_str(), attributes & (~FILE_ATTRIBUTE_READONLY));
}
bool ok = 0 != ::MoveFileEx(replacement_name.c_str(), replaced_name.c_str(), MOVEFILE_REPLACE_EXISTING);
code = ok ? 0 : static_cast<int>(::GetLastError());
#else
bool ok = 0 == std::rename(replacement_name.c_str(), replaced_name.c_str());
code = ok ? 0 : errno;
#endif
return std::error_code(code, std::system_category());
}
bool sanitize_locale()
{
// boost::filesystem throws for "invalid" locales, such as en_US.UTF-8, or kjsdkfs,
// so reset it here before any calls to it
try
{
boost::filesystem::path p {std::string("test")};
p /= std::string("test");
}
catch (...)
{
#if defined(__MINGW32__) || defined(__MINGW__)
putenv("LC_ALL=C");
putenv("LANG=C");
#else
setenv("LC_ALL", "C", 1);
setenv("LANG", "C", 1);
#endif
return true;
}
return false;
}
void set_strict_default_file_permissions(bool strict)
{
#if defined(__MINGW32__) || defined(__MINGW__)
// no clue about the odd one out
#else
mode_t mode = strict ? 077 : 0;
umask(mode);
#endif
}
namespace
{
boost::mutex max_concurrency_lock;
unsigned max_concurrency = boost::thread::hardware_concurrency();
}
void set_max_concurrency(unsigned n)
{
if (n < 1)
n = boost::thread::hardware_concurrency();
unsigned hwc = boost::thread::hardware_concurrency();
if (n > hwc)
n = hwc;
boost::lock_guard<boost::mutex> lock(max_concurrency_lock);
max_concurrency = n;
}
unsigned get_max_concurrency()
{
boost::lock_guard<boost::mutex> lock(max_concurrency_lock);
return max_concurrency;
}
}