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Print dirent and readdir items

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Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2016-12-07 12:00:52 -08:00
parent 7cd70ab2bb
commit 19b674cb38
1 changed files with 49 additions and 19 deletions
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68
utils/src/print.c
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@@ -80,7 +80,7 @@ static void print_block_header(struct scoutfs_block_header *hdr)
le64_to_cpu(hdr->seq), le64_to_cpu(hdr->blkno));
}
static void print_inode(void *key, void *val)
static void print_inode(void *key, int key_len, void *val, int val_len)
{
struct scoutfs_inode_key *ikey = key;
struct scoutfs_inode *inode = val;
@@ -122,22 +122,49 @@ static void print_xattr_val_hash(__le64 *refcount)
printf(" xattr_val_hash: refcount %llu\n",
le64_to_cpu(*refcount));
}
#endif
static void print_dirent(struct scoutfs_dirent *dent, unsigned int val_len)
static u8 *global_printable_name(u8 *name, int name_len)
{
unsigned int name_len = val_len - sizeof(*dent);
char name[SCOUTFS_NAME_LEN + 1];
static u8 name_buf[SCOUTFS_NAME_LEN + 1];
int i;
for (i = 0; i < min(SCOUTFS_NAME_LEN, name_len); i++)
name[i] = isprint(dent->name[i]) ? dent->name[i] : '.';
name[i] = '\0';
name_len = min(SCOUTFS_NAME_LEN, name_len);
for (i = 0; i < name_len; i++)
name_buf[i] = isprint(name[i]) ? name[i] : '.';
name_buf[i] = '\0';
printf(" dirent: ino: %llu ctr: %llu type: %u name: \"%.*s\"\n",
le64_to_cpu(dent->ino), le64_to_cpu(dent->counter),
dent->type, i, name);
return name_buf;
}
static void print_dirent(void *key, int key_len, void *val, int val_len)
{
struct scoutfs_dirent_key *dkey = key;
struct scoutfs_dirent *dent = val;
unsigned int name_len = key_len - sizeof(*dkey);
u8 *name = global_printable_name(dkey->name, name_len);
printf(" dirent: dir ino %llu type %u targ ino %llu\n"
" name %s\n",
be64_to_cpu(dkey->ino), dent->type, le64_to_cpu(dent->ino),
name);
}
static void print_readdir(void *key, int key_len, void *val, int val_len)
{
struct scoutfs_readdir_key *rkey = key;
struct scoutfs_dirent *dent = val;
unsigned int name_len = val_len - sizeof(*dent);
u8 *name = global_printable_name(dent->name, name_len);
printf(" readdir: dir ino %llu pos %llu type %u targ ino %llu\n"
" name %s\n",
be64_to_cpu(rkey->ino), be64_to_cpu(rkey->pos),
dent->type, le64_to_cpu(dent->ino),
name);
}
#if 0
static void print_link_backref(struct scoutfs_link_backref *lref,
unsigned int val_len)
{
@@ -164,14 +191,17 @@ static void print_extent(struct scoutfs_key *key,
}
#endif
typedef void (*print_func_t)(void *key, void *val);
typedef void (*print_func_t)(void *key, int key_len, void *val, int val_len);
static print_func_t printers[] = {
[SCOUTFS_INODE_KEY] = print_inode,
[SCOUTFS_DIRENT_KEY] = print_dirent,
[SCOUTFS_READDIR_KEY] = print_readdir,
};
static void print_item(struct scoutfs_segment_block *sblk, u32 pos)
{
print_func_t printer;
struct native_item item;
void *key;
void *val;
@@ -183,15 +213,15 @@ static void print_item(struct scoutfs_segment_block *sblk, u32 pos)
val = (char *)sblk + item.val_off;
type = *(__u8 *)key;
printf(" [%u]: seq %llu key_off %u val_off %u key_len %u "
"val_len %u\n",
pos, item.seq, item.key_off, item.val_off, item.key_len,
item.val_len);
printer = type < array_size(printers) ? printers[type] : NULL;
if (type < array_size(printers) && printers[type])
printers[type](key, val);
else
printf(" unknown!\n");
printf(" [%u]: type %u seq %llu key_off %u val_off %u key_len %u "
"val_len %u%s\n",
pos, type, item.seq, item.key_off, item.val_off, item.key_len,
item.val_len, printer ? "" : " (unrecognized type)");
if (printer)
printer(key, item.key_len, val, item.val_len);
}
static int print_segment(int fd, u64 segno)