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#include <stdio.h>
#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
#include <winsock2.h>
#else
#include <sys/time.h>
#endif
#include <pthread.h>
#include "misc.h"
void log_socket_error(const char* msg)
{
#ifdef WIN32
printf(msg);
printf(": WSAGetLastError(): %d", WSAGetLastError());
#else
perror(msg);
#endif
}
#ifdef WIN32
static const unsigned __int64 epoch = 116444736000000000;
int gettimeofday(struct timeval * tp, struct timezone * tzp)
{
FILETIME file_time;
SYSTEMTIME system_time;
ULARGE_INTEGER ularge;
GetSystemTime(&system_time);
SystemTimeToFileTime(&system_time, &file_time);
ularge.LowPart = file_time.dwLowDateTime;
ularge.HighPart = file_time.dwHighDateTime;
tp->tv_sec = (long) ((ularge.QuadPart - epoch) / 10000000L);
tp->tv_usec = (long) (system_time.wMilliseconds * 1000);
return 0;
}
#endif
bool GetAbsTime(struct timespec *Abstime, int MillisecondsFromNow)
{
struct timeval now;
if (!gettimeofday(&now, NULL)) {
now.tv_sec += MillisecondsFromNow / 1000;
now.tv_usec += (MillisecondsFromNow % 1000) * 1000;
if (now.tv_usec >= 1000000) {
now.tv_sec++;
now.tv_usec -= 1000000;
}
Abstime->tv_sec = now.tv_sec;
Abstime->tv_nsec = now.tv_usec * 1000;
return true;
}
return false;
}
// --- cTimeMs ---------------------------------------------------------------
cTimeMs::cTimeMs(int Ms)
{
Set(Ms);
}
uint64_t cTimeMs::Now(void)
{
struct timeval t;
if (gettimeofday(&t, NULL) == 0)
return (uint64_t(t.tv_sec)) * 1000 + t.tv_usec / 1000;
return 0;
}
void cTimeMs::Set(int Ms)
{
begin = Now() + Ms;
}
bool cTimeMs::TimedOut(void)
{
return Now() >= begin;
}
uint64_t cTimeMs::Elapsed(void)
{
return Now() - begin;
}
#ifdef WIN32
#ifdef __MINGW32__
#define __try if(1)
#define __leave goto out
#define __finally if(1)
#endif
bool IsUserAdmin( bool* pbAdmin )
{
#if WINVER < 0x0500
HANDLE hAccessToken = NULL;
PBYTE pInfoBuffer = NULL;
DWORD dwInfoBufferSize = 1024; // starting buffer size
PTOKEN_GROUPS ptgGroups = NULL;
#endif
PSID psidAdministrators = NULL;
SID_IDENTIFIER_AUTHORITY siaNtAuthority = {SECURITY_NT_AUTHORITY};
BOOL bResult = FALSE;
__try
{
// initialization of the security id
if( !AllocateAndInitializeSid(
&siaNtAuthority, 2, SECURITY_BUILTIN_DOMAIN_RID,
DOMAIN_ALIAS_RID_ADMINS, 0,0,0,0,0,0, &psidAdministrators ) )
__leave;
#if WINVER < 0x0500
// code for the OS < W2k
// open process token
if( !OpenProcessToken( GetCurrentProcess(),TOKEN_QUERY,&hAccessToken ) )
__leave;
do // lets make a buffer for the information from the token
{
if( pInfoBuffer )
delete pInfoBuffer;
pInfoBuffer = new BYTE[dwInfoBufferSize];
if( !pInfoBuffer )
__leave;
SetLastError( 0 );
if( !GetTokenInformation( hAccessToken, TokenGroups,
pInfoBuffer, dwInfoBufferSize, &dwInfoBufferSize ) &&
( ERROR_INSUFFICIENT_BUFFER != GetLastError() ) )
__leave;
else
ptgGroups = (PTOKEN_GROUPS)pInfoBuffer;
}
while( GetLastError() ); // if we encounter an error, then the
// initializing buffer too small,
// lets make it bigger
// lets check the security id one by one, while we find one we need
for( UINT i = 0; i < ptgGroups->GroupCount; i++ )
{
if( EqualSid(psidAdministrators,ptgGroups->Groups[i].Sid) )
{
*pbAdmin = TRUE;
bResult = TRUE;
__leave;
}
}
#else
// this is code for the W2K
bResult = CheckTokenMembership( NULL, psidAdministrators, pbAdmin );
#endif
}
__finally
{
#ifdef __MINGW32__
out:
#endif
#if WINVER < 0x0500
if( hAccessToken )
CloseHandle( hAccessToken );
if( pInfoBuffer )
delete pInfoBuffer;
#endif
if( psidAdministrators )
FreeSid( psidAdministrators );
}
return bResult;
}
bool IsVistaOrHigher()
{
OSVERSIONINFO osvi;
ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&osvi);
return (osvi.dwMajorVersion >= 6);
}
#endif
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