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-rw-r--r--src/journal/journal-file.c68
1 files changed, 13 insertions, 55 deletions
diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c
index 5557028147..ab45132f0f 100644
--- a/src/journal/journal-file.c
+++ b/src/journal/journal-file.c
@@ -892,19 +892,23 @@ int journal_file_move_to_entry(JournalFile *f, uint64_t seqnum, Object **ret, ui
return 0;
}
-int journal_file_next_entry(JournalFile *f, Object *o, Object **ret, uint64_t *offset) {
+int journal_file_next_entry(JournalFile *f, Object *o, direction_t direction, Object **ret, uint64_t *offset) {
uint64_t np;
int r;
assert(f);
if (!o)
- np = le64toh(f->header->head_entry_offset);
+ np = le64toh(direction == DIRECTION_DOWN ?
+ f->header->head_entry_offset :
+ f->header->tail_entry_offset);
else {
if (le64toh(o->object.type) != OBJECT_ENTRY)
return -EINVAL;
- np = le64toh(o->entry.next_entry_offset);
+ np = le64toh(direction == DIRECTION_DOWN ?
+ o->entry.next_entry_offset :
+ o->entry.prev_entry_offset);
}
if (np == 0)
@@ -954,7 +958,7 @@ int journal_file_prev_entry(JournalFile *f, Object *o, Object **ret, uint64_t *o
return 1;
}
-int journal_file_find_first_entry(JournalFile *f, const void *data, uint64_t size, Object **ret, uint64_t *offset) {
+int journal_file_find_first_entry(JournalFile *f, const void *data, uint64_t size, direction_t direction, Object **ret, uint64_t *offset) {
uint64_t p, osize, hash, h;
int r;
@@ -980,59 +984,13 @@ int journal_file_find_first_entry(JournalFile *f, const void *data, uint64_t siz
if (le64toh(o->data.hash) != hash)
return -EBADMSG;
- if (o->data.head_entry_offset == 0)
- return 0;
-
- p = le64toh(o->data.head_entry_offset);
- r = journal_file_move_to_object(f, p, OBJECT_ENTRY, &o);
- if (r < 0)
- return r;
-
- if (ret)
- *ret = o;
-
- if (offset)
- *offset = p;
-
- return 1;
- }
-
- p = le64toh(o->data.next_hash_offset);
- }
-
- return 0;
-}
-
-int journal_file_find_last_entry(JournalFile *f, const void *data, uint64_t size, Object **ret, uint64_t *offset) {
- uint64_t p, osize, hash, h;
- int r;
+ p = le64toh(direction == DIRECTION_DOWN ?
+ o->data.head_entry_offset :
+ o->data.tail_entry_offset);
- assert(f);
- assert(data || size == 0);
-
- osize = offsetof(Object, data.payload) + size;
-
- hash = hash64(data, size);
- h = hash % (le64toh(f->header->hash_table_size) / sizeof(HashItem));
- p = le64toh(f->hash_table[h].tail_hash_offset);
-
- while (p != 0) {
- Object *o;
-
- r = journal_file_move_to_object(f, p, OBJECT_DATA, &o);
- if (r < 0)
- return r;
-
- if (le64toh(o->object.size) == osize &&
- memcmp(o->data.payload, data, size) == 0) {
-
- if (le64toh(o->data.hash) != hash)
- return -EBADMSG;
-
- if (o->data.tail_entry_offset == 0)
+ if (p == 0)
return 0;
- p = le64toh(o->data.tail_entry_offset);
r = journal_file_move_to_object(f, p, OBJECT_ENTRY, &o);
if (r < 0)
return r;
@@ -1046,7 +1004,7 @@ int journal_file_find_last_entry(JournalFile *f, const void *data, uint64_t size
return 1;
}
- p = le64toh(o->data.prev_hash_offset);
+ p = le64toh(o->data.next_hash_offset);
}
return 0;