adding file timestamps to file_status

This commit is contained in:
Martin Fouilleul 2023-09-06 11:04:17 +02:00
parent 15a8e2ae22
commit a275b3da28
5 changed files with 79 additions and 22 deletions

View File

@ -85,6 +85,7 @@ void oc_clock_init()
//RandomSeedFromDevice();
}
/*
u64 oc_clock_timestamp(oc_clock_kind clock)
{
u64 ts = 0;
@ -120,16 +121,9 @@ u64 oc_clock_timestamp(oc_clock_kind clock)
break;
}
/*
//NOTE(martin): add a random fuzz between 0 and 1 times the system fuzz
//TODO(martin): ensure that we always return a value greater than the last value
f64 fuzz = RandomU32()/(f64)(~(0UL)) * OC_CLOCK_FUZZ;
ts_timediff tdfuzz = TimediffFromSeconds(fuzz);
ts = TimestampAdd(ts, tdfuzz);
*/
return (ts);
}
*/
f64 oc_clock_time(oc_clock_kind clock)
{

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@ -13,8 +13,7 @@
#include "util/typedefs.h"
#ifdef __cplusplus
extern "C"
{
extern "C" {
#endif // __cplusplus
typedef enum
@ -24,8 +23,10 @@ extern "C"
OC_CLOCK_DATE // clock that is driven by the platform time
} oc_clock_kind;
#if !defined(OC_PLATFORM_ORCA) || !OC_PLATFORM_ORCA
ORCA_API void oc_clock_init(); // initialize the clock subsystem
ORCA_API u64 oc_clock_timestamp(oc_clock_kind clock);
#endif
ORCA_API f64 oc_clock_time(oc_clock_kind clock);
#ifdef __cplusplus

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@ -206,6 +206,13 @@ enum oc_file_perm
OC_FILE_SET_UID = 1 << 11,
};
typedef struct oc_datestamp
{
i64 seconds; // seconds relative to NTP epoch.
u64 fraction; // fraction of seconds elapsed since the time specified by seconds.
} oc_datestamp;
typedef struct oc_file_status
{
u64 uid;
@ -213,7 +220,9 @@ typedef struct oc_file_status
oc_file_perm perm;
u64 size;
//TODO times
oc_datestamp creationDate;
oc_datestamp accessDate;
oc_datestamp modificationDate;
} oc_file_status;

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@ -280,6 +280,17 @@ static oc_file_type oc_io_convert_type_from_stat(u16 mode)
return (type);
}
static const u64 OC_NTP_JAN_1970 = 2208988800ULL; // seconds from january 1900 to january 1970
oc_datestamp oc_datestamp_from_timespec(struct timespec ts)
{
oc_datestamp d = { 0 };
d.seconds = ts.tv_sec + OC_NTP_JAN_1970;
d.fraction = (ts.tv_nsec * (1ULL << 32)) / 1000000000;
return (d);
}
oc_io_error oc_io_raw_fstat(oc_file_desc fd, oc_file_status* status)
{
oc_io_error error = OC_IO_OK;
@ -294,7 +305,10 @@ oc_io_error oc_io_raw_fstat(oc_file_desc fd, oc_file_status* status)
status->perm = oc_io_convert_perm_from_stat(s.st_mode);
status->type = oc_io_convert_type_from_stat(s.st_mode);
status->size = s.st_size;
//TODO: times
status->creationDate = oc_datestamp_from_timespec(s.st_birthtimespec);
status->accessDate = oc_datestamp_from_timespec(s.st_atimespec);
status->modificationDate = oc_datestamp_from_timespec(s.st_mtimespec);
}
return (error);
}

View File

@ -229,6 +229,36 @@ bool oc_io_raw_file_exists_at(oc_file_desc dirFd, oc_str8 path, oc_file_open_fla
return (result);
}
enum
{
OC_NTP_01_JAN_1601 = -9435484800LL,
OC_WIN32_TICKS_PER_SECOND = 10000000LL
};
oc_datestamp oc_datestamp_from_win32_filetime(FILETIME ft)
{
oc_datestamp d = { 0 };
i64 win32Ticks = (((u64)ft.high) << 32) | (u64)ft.low;
i64 win32Seconds = win32Ticks / OC_WIN32_TICKS_PER_SECOND;
u64 win32Rem = 0;
if(winTicks < 0)
{
win32Seconds -= OC_WIN32_TICKS_PER_SECOND;
win32Rem = win32Ticks - seconds * OC_WIN32_TICKS_PER_SECOND;
}
else
{
win32Rem = win32Ticks % OC_WIN32_TICKS_PER_SECOND;
}
d.seconds = win32Seconds + OC_NTP_01_JAN_1601;
d.fraction = (win32Rem * (1ULL << 32)) / OC_WIN32_TICKS_PER_SECOND;
return (d);
}
oc_io_error oc_io_raw_fstat(oc_file_desc fd, oc_file_status* status)
{
oc_io_error error = OC_IO_OK;
@ -290,7 +320,16 @@ oc_io_error oc_io_raw_fstat(oc_file_desc fd, oc_file_status* status)
{
status->perm = OC_FILE_OWNER_WRITE | OC_FILE_GROUP_WRITE | OC_FILE_OTHER_WRITE;
}
//TODO: times
FILETIME win32CreationDate;
FILETIME win32AccessDate;
FILETIME win32ModificationDate;
GetFileTime(fd, &win32CreationDate, &win32AccessDate, &win32ModificationDate);
status->creationDate = oc_datestamp_from_win32_filetime(win32CreationDate);
status->accessDate = oc_datestamp_from_win32_filetime(win32AccessDate);
status->modificationDate = oc_datestamp_from_win32_filetime(win32ModificationDate);
}
return (error);
}