bool GetFileInfo(const string &sFileName, string &sOutFileInfo)
{
START_FUNCTION_BOOL();
uint64 uiFileSize = 0;
if (!FileUtils::GetFileSize(sFileName.c_str(), uiFileSize))
{
LOG_ERROR2_BREAK(g_szUnableToRetrieveFileSize, sFileName.c_str());
}
FILETIME ftLastWriteTime;
if (!FileUtils::GetLastWriteTime(sFileName, ftLastWriteTime))
{
LOG_ERROR2_BREAK(g_szUnableToRetrieveLastModifiedTime, sFileName.c_str());
}
string sLastWriteTime = StrUtils::IntToStr(FILETIME2UINT64(ftLastWriteTime));
sOutFileInfo = g_szFilesPartDelimiter + IntToStr(uiFileSize) + g_szFilesPartDelimiter + sLastWriteTime + g_szFilesDelimiter;
END_FUNCTION_BOOL();
}
int process_time(pid_t pid, time64_t* createTime, time64_t* kernelTime, time64_t* userTime)
{
#if defined(_WIN32)
HANDLE handle;
FILETIME ftCreateTime, ftExitTime, ftKernelTime, ftUserTime;
SYSTEMTIME stime;
FILETIME ftime;
ULONGLONG rt;
ULARGE_INTEGER kt, ut;
memset(&ftUserTime, 0xCC, sizeof(ftUserTime));
handle = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid);
if(!handle)
return (int)GetLastError();
if(!GetProcessTimes(handle, &ftCreateTime, &ftExitTime, &ftKernelTime, &ftUserTime))
{
CloseHandle(handle);
return (int)GetLastError();
}
CloseHandle(handle);
GetSystemTime(&stime);
SystemTimeToFileTime(&stime, &ftime);
kt = FILETIME2UINT64(&ftime);
ut = FILETIME2UINT64(&ftCreateTime);
rt = kt.QuadPart > ut.QuadPart ? kt.QuadPart-ut.QuadPart : 0; // for resolution problem
kt = FILETIME2UINT64(&ftKernelTime);
ut = FILETIME2UINT64(&ftUserTime);
*createTime = rt/10000; // nanosecond -> millisecond
*userTime = ut.QuadPart/10000;
*kernelTime = kt.QuadPart/10000;
return 0;
#else
char content[2*1024] = {0};
int r;
unsigned long int utime, stime;
unsigned long long starttime;
float uptime = 0.0f;
sprintf(content, "/proc/%d/stat", pid);
r = tools_cat(content, content, sizeof(content));
if(r < 0)
return r;
// linux: man proc
// cat proc/self/stat
// (1-pid-%d, 2-filename-%s, 3-state-%c, 4-ppid-%d, 5-pgrp-%d,
// 6-session-%d, 7-tty_nr-%d, 8-tpgid-%d, 9-flags-%u, 10-minflt-%lu,
// 11-cminflt-%lu, 12-majflt-%lu, 13-cmajflt-%lu, 14-utime-%lu, 15-stime-%lu,
// 16-cutime-%ld, 17-cstime-%ld, 18-priority-%ld, 19-nice-%ld, 20-num_threads-%ld,
// 21-itrealvalue-%ld, 22-starttime-%llu, 23-vsize-%lu, 24-rss-%ld, 25-rsslim-%lu,
// 26-startcode-%lu, 27-endcode-%lu, 28-startstack-%lu, 29-kstkesp-%lu, 30-kstkeip-%lu,
// 31-signal-%lu, 32-blocked-%lu, 33-sigignore-%lu, 34-sigcatch-%lu, 35-wchan-%lu,
// 36-nswap-%lu, 37-cnswap-%lu, 38-exit_signal-%d, 39-processor-%d, 40-rt_priority-%u,
// 41-policy-%u, 42-delayacct_blkio_ticks-%llu, 43-guest_time-%lu, 44-cguest_time-%ld)
if(3 != sscanf(content,
// warning: use of assignment suppression and length modifier together in gnu_scanf format [-Wformat]
//"%*d %*s %*c %*d %*d %*d %*d %*d %*u %*lu %*lu %*lu %*lu %lu %lu %*ld %*ld %*ld %*ld %*ld %*ld %llu",
"%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %*d %*d %*d %llu",
&utime, &stime, &starttime))
return -(int)EINVAL;
assert(sysconf(_SC_CLK_TCK) == HZ);
system_uptime(&uptime);
*createTime = (time64_t)uptime*1000 - starttime*1000/HZ; // jiffies -> millisecond
*userTime = utime * 1000 / HZ;
*kernelTime = stime * 1000 / HZ;
return 0;
#endif
}
