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journal: move field index from file into journal object

This commit is contained in:
Lennart Poettering 2011-10-14 05:38:40 +02:00
parent ae2cc8efc1
commit 7210bfb370
2 changed files with 34 additions and 9 deletions

View File

@ -52,7 +52,6 @@ typedef struct JournalFile {
uint64_t window_size;
uint64_t current_offset;
uint64_t current_field;
} JournalFile;
int journal_file_open(const char *fname, int flags, mode_t mode, JournalFile *template, JournalFile **ret);

View File

@ -43,6 +43,7 @@ struct sd_journal {
Hashmap *files;
JournalFile *current_file;
uint64_t current_field;
LIST_HEAD(Match, matches);
};
@ -177,7 +178,7 @@ int sd_journal_next(sd_journal *j) {
if (new_current) {
j->current_file = new_current;
j->current_file->current_offset = new_offset;
j->current_file->current_field = 0;
j->current_field = 0;
/* Skip over any identical entries in the other files too */
@ -201,10 +202,8 @@ int sd_journal_next(sd_journal *j) {
else if (r == 0)
continue;
if (compare_order(new_current, new_entry, new_offset, f, o, p) == 0) {
if (compare_order(new_current, new_entry, new_offset, f, o, p) == 0)
f->current_offset = p;
f->current_field = 0;
}
}
return 1;
@ -249,7 +248,34 @@ int sd_journal_previous(sd_journal *j) {
if (new_current) {
j->current_file = new_current;
j->current_file->current_offset = new_offset;
j->current_file->current_field = 0;
j->current_field = 0;
/* Skip over any identical entries in the other files too */
HASHMAP_FOREACH(f, j->files, i) {
Object *o;
uint64_t p;
if (j->current_file == f)
continue;
if (f->current_offset > 0) {
r = journal_file_move_to_object(f, f->current_offset, OBJECT_ENTRY, &o);
if (r < 0)
return r;
} else
o = NULL;
r = journal_file_prev_entry(f, o, &o, &p);
if (r < 0)
return r;
else if (r == 0)
continue;
if (compare_order(new_current, new_entry, new_offset, f, o, p) == 0)
f->current_offset = p;
}
return 1;
}
@ -592,10 +618,10 @@ int sd_journal_iterate_fields(sd_journal *j, const void **data, size_t *size) {
return r;
n = journal_file_entry_n_items(o);
if (f->current_field >= n)
if (j->current_field >= n)
return 0;
p = le64toh(o->entry.items[f->current_field].object_offset);
p = le64toh(o->entry.items[j->current_field].object_offset);
r = journal_file_move_to_object(f, p, OBJECT_DATA, &o);
if (r < 0)
return r;
@ -610,7 +636,7 @@ int sd_journal_iterate_fields(sd_journal *j, const void **data, size_t *size) {
*data = o->data.payload;
*size = t;
f->current_field ++;
j->current_field ++;
return 1;
}