/*
** Mmm... chunky.
*/
void read_chunk()
{
#if PLATFORM_KERNEL == PLATFORM_KERNEL_LINUX
m_read = getdents(m_fd, m_buf.get(), m_bufsz);
#elif PLATFORM_KERNEL == PLATFORM_KERNEL_XNU
auto off = ::off_t{};
m_read = getdirentries64(m_fd, m_buf.get(), m_bufsz, &off);
#endif
if (m_read > 0) {
m_buf_cur = m_buf.get();
m_buf_end = m_buf.get() + m_read;
}
else if (m_read == 0) {
m_pos = -1;
}
else if (m_read == -1) {
throw std::system_error{errno, std::system_category(),
"failed to read directory entries"};
}
}
int t14(char *name)
{
char dir[MAX_PATH_LENGTH] = "";
char path[1024];
char buf[1024];
const int nfiles = 256;
char *prefix = "test14_filename_long_prefix_AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA___";
cfs_dirent_t *ent;
int fd, i, rc, pos, index;
loff_t base = 0;
ENTER(">1 block(4k) directory readdir");
snprintf(dir, MAX_PATH_LENGTH, "%s/test_t14_dir/", lustre_path);
rc = mkdir(dir, 0755);
if (rc < 0 && errno != EEXIST) {
printf("mkdir(%s) error: %s\n", dir, strerror(errno));
exit(1);
}
printf("Creating %d files...\n", nfiles);
for (i = 0; i < nfiles; i++) {
sprintf(path, "%s%s%05d", dir, prefix, i);
t_touch(path);
}
fd = t_opendir(dir);
printf("Listing...\n");
index = 0;
while ((rc = getdirentries64(fd, buf, 1024, &base)) > 0) {
pos = 0;
while (pos < rc) {
char *item;
ent = (void *) buf + pos;
item = (char *) ent->d_name;
if (!strcmp(item, ".") || !strcmp(item, ".."))
goto iter;
if (strstr(item, prefix) != item) {
printf("found bad name %s\n", item);
return(-1);
}
printf("[%03d]: %s\t",
index++, item + strlen(prefix));
iter:
pos += ent->d_reclen;
}
}
printf("\n");
if (rc < 0) {
printf("getdents error %d\n", rc);
return(-1);
}
if (index != nfiles) {
printf("get %d files != %d\n", index, nfiles);
return(-1);
}
t_close(fd);
printf("Cleanup...\n");
for (i = 0; i < nfiles; i++) {
sprintf(path, "%s%s%05d", dir, prefix, i);
t_unlink(path);
}
t_rmdir(dir);
LEAVE();
}
