/* sort flist by specified fields, given as common-delimitted list
* precede field name with '-' character to reverse sort order:
* name,user,group,uid,gid,atime,mtime,ctime,size
* For example to sort by size in descending order, followed by name
* char fields[] = "size,-name"; */
int mfu_flist_sort(const char* sortfields, mfu_flist* pflist)
{
if (sortfields == NULL || pflist == NULL) {
return MFU_FAILURE;
}
/* get pointer to list */
mfu_flist flist = *pflist;
/* start timer */
double start_sort = MPI_Wtime();
/* sort list */
int rc;
if (mfu_flist_have_detail(flist)) {
rc = sort_files_stat(sortfields, pflist);
}
else {
rc = sort_files_readdir(sortfields, pflist);
}
/* end timer */
double end_sort = MPI_Wtime();
/* report sort count, time, and rate */
if (mfu_debug_level >= MFU_LOG_VERBOSE && mfu_rank == 0) {
uint64_t all_count = mfu_flist_global_size(flist);
double secs = end_sort - start_sort;
double rate = 0.0;
if (secs > 0.0) {
rate = ((double)all_count) / secs;
}
printf("Sorted %lu files in %f seconds (%f files/sec)\n",
all_count, secs, rate
);
}
return rc;
}
/* removes list of items, sets write bits on directories from
* top-to-bottom, then removes items one level at a time starting
* from the deepest */
void mfu_flist_unlink(mfu_flist flist)
{
int level;
/* wait for all tasks and start timer */
MPI_Barrier(MPI_COMM_WORLD);
double start_remove = MPI_Wtime();
/* split files into separate lists by directory depth */
int levels, minlevel;
mfu_flist* lists;
mfu_flist_array_by_depth(flist, &levels, &minlevel, &lists);
#if 0
/* dive from shallow to deep, ensure all directories have write bit set */
for (level = 0; level < levels; level++) {
/* get list of items for this level */
mfu_flist list = lists[level];
/* determine whether we have details at this level */
int detail = mfu_flist_have_detail(list);
/* iterate over items and set write bit on directories if needed */
uint64_t idx;
uint64_t size = mfu_flist_size(list);
for (idx = 0; idx < size; idx++) {
/* check whether we have a directory */
mfu_filetype type = mfu_flist_file_get_type(list, idx);
if (type == MFU_TYPE_DIR) {
/* assume we have to set the bit */
int set_write_bit = 1;
if (detail) {
mode_t mode = (mode_t) mfu_flist_file_get_mode(list, idx);
if (mode & S_IWUSR) {
/* we have the mode of the file, and the bit is already set */
set_write_bit = 0;
}
}
/* set the bit if needed */
if (set_write_bit) {
const char* name = mfu_flist_file_get_name(list, idx);
int rc = chmod(name, S_IRWXU);
if (rc != 0) {
MFU_LOG(MFU_LOG_ERR, "Failed to chmod directory `%s' (errno=%d %s)",
name, errno, strerror(errno)
);
}
}
}
}
/* wait for all procs to finish before we start next level */
MPI_Barrier(MPI_COMM_WORLD);
}
#endif
/* now remove files starting from deepest level */
for (level = levels - 1; level >= 0; level--) {
double start = MPI_Wtime();
/* get list of items for this level */
mfu_flist list = lists[level];
uint64_t count = 0;
//remove_direct(list, &count);
remove_spread(list, &count);
// remove_map(list, &count);
// remove_sort(list, &count);
// remove_libcircle(list, &count);
// TODO: remove sort w/ spread
/* wait for all procs to finish before we start
* with files at next level */
MPI_Barrier(MPI_COMM_WORLD);
double end = MPI_Wtime();
if (mfu_debug_level >= MFU_LOG_VERBOSE) {
uint64_t min, max, sum;
MPI_Allreduce(&count, &min, 1, MPI_UINT64_T, MPI_MIN, MPI_COMM_WORLD);
MPI_Allreduce(&count, &max, 1, MPI_UINT64_T, MPI_MAX, MPI_COMM_WORLD);
MPI_Allreduce(&count, &sum, 1, MPI_UINT64_T, MPI_SUM, MPI_COMM_WORLD);
double rate = 0.0;
if (end - start > 0.0) {
rate = (double)sum / (end - start);
}
double time_diff = end - start;
if (mfu_rank == 0) {
printf("level=%d min=%lu max=%lu sum=%lu rate=%f secs=%f\n",
(minlevel + level), (unsigned long)min, (unsigned long)max, (unsigned long)sum, rate, time_diff
);
fflush(stdout);
}
}
}
mfu_flist_array_free(levels, &lists);
/* wait for all tasks and stop timer */
MPI_Barrier(MPI_COMM_WORLD);
double end_remove = MPI_Wtime();
/* report remove count, time, and rate */
if (mfu_debug_level >= MFU_LOG_VERBOSE && mfu_rank == 0) {
uint64_t all_count = mfu_flist_global_size(flist);
double time_diff = end_remove - start_remove;
double rate = 0.0;
if (time_diff > 0.0) {
rate = ((double)all_count) / time_diff;
}
printf("Removed %lu items in %f seconds (%f items/sec)\n",
all_count, time_diff, rate
);
}
return;
}
/* print information about a file given the index and rank (used in print_files) */
static void print_file(mfu_flist flist, uint64_t idx)
{
/* store types as strings for print_file */
char type_str_unknown[] = "UNK";
char type_str_dir[] = "DIR";
char type_str_file[] = "REG";
char type_str_link[] = "LNK";
/* get filename */
const char* file = mfu_flist_file_get_name(flist, idx);
if (mfu_flist_have_detail(flist)) {
/* get mode */
mode_t mode = (mode_t) mfu_flist_file_get_mode(flist, idx);
//uint32_t uid = (uint32_t) mfu_flist_file_get_uid(flist, idx);
//uint32_t gid = (uint32_t) mfu_flist_file_get_gid(flist, idx);
uint64_t acc = mfu_flist_file_get_atime(flist, idx);
uint64_t mod = mfu_flist_file_get_mtime(flist, idx);
uint64_t cre = mfu_flist_file_get_ctime(flist, idx);
uint64_t size = mfu_flist_file_get_size(flist, idx);
const char* username = mfu_flist_file_get_username(flist, idx);
const char* groupname = mfu_flist_file_get_groupname(flist, idx);
char access_s[30];
char modify_s[30];
char create_s[30];
time_t access_t = (time_t) acc;
time_t modify_t = (time_t) mod;
time_t create_t = (time_t) cre;
size_t access_rc = strftime(access_s, sizeof(access_s) - 1, "%FT%T", localtime(&access_t));
//size_t modify_rc = strftime(modify_s, sizeof(modify_s) - 1, "%FT%T", localtime(&modify_t));
size_t modify_rc = strftime(modify_s, sizeof(modify_s) - 1, "%b %e %Y %H:%M", localtime(&modify_t));
size_t create_rc = strftime(create_s, sizeof(create_s) - 1, "%FT%T", localtime(&create_t));
if (access_rc == 0 || modify_rc == 0 || create_rc == 0) {
/* error */
access_s[0] = '\0';
modify_s[0] = '\0';
create_s[0] = '\0';
}
char mode_format[11];
mfu_format_mode(mode, mode_format);
double size_tmp;
const char* size_units;
mfu_format_bytes(size, &size_tmp, &size_units);
printf("%s %s %s %7.3f %2s %s %s\n",
mode_format, username, groupname,
size_tmp, size_units, modify_s, file
);
#if 0
printf("%s %s %s A%s M%s C%s %lu %s\n",
mode_format, username, groupname,
access_s, modify_s, create_s, (unsigned long)size, file
);
printf("Mode=%lx(%s) UID=%d(%s) GUI=%d(%s) Access=%s Modify=%s Create=%s Size=%lu File=%s\n",
(unsigned long)mode, mode_format, uid, username, gid, groupname,
access_s, modify_s, create_s, (unsigned long)size, file
);
#endif
}
else {
/* get type */
mfu_filetype type = mfu_flist_file_get_type(flist, idx);
char* type_str = type_str_unknown;
if (type == MFU_TYPE_DIR) {
type_str = type_str_dir;
}
else if (type == MFU_TYPE_FILE) {
type_str = type_str_file;
}
else if (type == MFU_TYPE_LINK) {
type_str = type_str_link;
}
printf("Type=%s File=%s\n",
type_str, file
);
}
}