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authorLennart Poettering <lennart@poettering.net>2011-10-15 02:45:58 +0200
committerLennart Poettering <lennart@poettering.net>2011-10-15 02:45:58 +0200
commit8725d60ae4f7a8471aa8a0207fa105e335d069a6 (patch)
treef988d72e906e5b005511cd5d028e030b7588eb36 /src/journal/sd-journal.c
parente892bd1797e99c8afaa6afdbe413fda78937c9c3 (diff)
journal: implement seek to head/tail
Diffstat (limited to 'src/journal/sd-journal.c')
-rw-r--r--src/journal/sd-journal.c31
1 files changed, 25 insertions, 6 deletions
diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 985e3210ce..6a68275e9e 100644
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -585,7 +585,7 @@ int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret) {
}
-int sd_journal_get_field(sd_journal *j, const char *field, const void **data, size_t *size) {
+int sd_journal_get_data(sd_journal *j, const char *field, const void **data, size_t *size) {
JournalFile *f;
uint64_t i, n;
size_t field_length;
@@ -652,7 +652,7 @@ int sd_journal_get_field(sd_journal *j, const char *field, const void **data, si
return 0;
}
-int sd_journal_iterate_fields(sd_journal *j, const void **data, size_t *size) {
+int sd_journal_enumerate_data(sd_journal *j, const void **data, size_t *size) {
JournalFile *f;
uint64_t p, l, n, h;
size_t t;
@@ -702,12 +702,31 @@ int sd_journal_iterate_fields(sd_journal *j, const void **data, size_t *size) {
return 1;
}
-int sd_journal_seek_head(sd_journal *j) {
+void sd_journal_start_data(sd_journal *j) {
assert(j);
- return -EINVAL;
+
+ j->current_field = 0;
}
-int sd_journal_seek_tail(sd_journal *j) {
+static int real_journal_seek_head(sd_journal *j, direction_t direction) {
+ Iterator i;
+ JournalFile *f;
+
assert(j);
- return -EINVAL;
+
+ j->current_file = NULL;
+ j->current_field = 0;
+
+ HASHMAP_FOREACH(f, j->files, i)
+ f->current_offset = 0;
+
+ return real_journal_next(j, direction);
+}
+
+int sd_journal_seek_head(sd_journal *j) {
+ return real_journal_seek_head(j, DIRECTION_DOWN);
+}
+
+int sd_journal_seek_tail(sd_journal *j) {
+ return real_journal_seek_head(j, DIRECTION_UP);
}