vrahane commented on code in PR #3365:
URL: https://github.com/apache/mynewt-core/pull/3365#discussion_r1958736147
##########
sys/log/full/src/log_fcb_bmark.c:
##########
@@ -61,74 +112,246 @@ log_fcb_rotate_bmarks(struct fcb_log *fcb_log)
i--;
}
bset->lfs_size--;
- bset->lfs_next = bset->lfs_size;
}
}
void
log_fcb_clear_bmarks(struct fcb_log *fcb_log)
{
fcb_log->fl_bset.lfs_size = 0;
- fcb_log->fl_bset.lfs_next = 0;
+ fcb_log->fl_bset.lfs_next_non_sect = 0;
+ fcb_log->fl_bset.lfs_non_sect_size = 0;
+ memset(fcb_log->fl_bset.lfs_bmarks, 0,
+ sizeof(struct log_fcb_bmark) *
+ fcb_log->fl_bset.lfs_cap);
}
-const struct log_fcb_bmark *
-log_fcb_closest_bmark(const struct fcb_log *fcb_log, uint32_t index)
+struct log_fcb_bmark *
+log_fcb_get_bmarks(struct log *log, uint32_t *bmarks_size)
{
- const struct log_fcb_bmark *closest;
- const struct log_fcb_bmark *bmark;
- uint32_t min_diff;
+ struct fcb_log *fcb_log = (struct fcb_log *)log->l_arg;
+
+ *bmarks_size = fcb_log->fl_bset.lfs_cap;
+
+ return fcb_log->fl_bset.lfs_bmarks;
+}
+
+struct log_fcb_bmark *
+log_fcb_closest_bmark(struct fcb_log *fcb_log, uint32_t index,
+ int *min_diff)
+{
+ struct log_fcb_bmark *closest;
+ struct log_fcb_bmark *bmark;
uint32_t diff;
int i;
- min_diff = UINT32_MAX;
+ *min_diff = -1;
closest = NULL;
+ /* This works for both sector as well as non-sector bmarks
+ * because we calculate the min diff and iterate to the end
+ * of the bmarks array keeping track of min diff
+ */
for (i = 0; i < fcb_log->fl_bset.lfs_size; i++) {
bmark = &fcb_log->fl_bset.lfs_bmarks[i];
+#if MYNEWT_VAL(LOG_FCB)
+ if (!fcb_log->fl_bset.lfs_bmarks[i].lfb_entry.fe_area) {
+ /* Previous closest bookmark is the closest one */
+ break;
+ }
+#elif MYNEWT_VAL(LOG_FCB2)
+ if (!fcb_log->fl_bset.lfs_bmarks[i].lfb_entry.fe_range) {
+ /* Previous closest bookmark is the closest one */
+ break;
+ }
+#endif
if (bmark->lfb_index <= index) {
diff = index - bmark->lfb_index;
- if (diff < min_diff) {
- min_diff = diff;
+ if (diff < *min_diff) {
+ *min_diff = diff;
closest = bmark;
+ MODLOG_DEBUG(LOG_MODULE_DEFAULT, "index: %u, closest bmark
idx: %u, \n",
+ (unsigned int)index,
+ (unsigned int)bmark->lfb_index);
+ /* We found the exact match, no need to keep searching for a
+ * better match
+ */
+ if (*min_diff == 0) {
+ break;
+ }
}
}
}
return closest;
}
+#if MYNEWT_VAL(LOG_FCB_SECTOR_BOOKMARKS)
#if MYNEWT_VAL(LOG_FCB)
-void
-log_fcb_add_bmark(struct fcb_log *fcb_log, const struct fcb_entry *entry,
- uint32_t index)
+static void
+log_fcb_insert_sect_bmark(struct fcb_log *fcb_log, struct fcb_entry *entry,
+ uint32_t index, int pos)
#elif MYNEWT_VAL(LOG_FCB2)
-void
-log_fcb_add_bmark(struct fcb_log *fcb_log, const struct fcb2_entry *entry,
- uint32_t index)
+static void
+log_fcb_insert_sect_bmark(struct fcb_log *fcb_log, fcb2_entry *entry,
+ uint32_t index, int pos)
#endif
{
struct log_fcb_bset *bset;
bset = &fcb_log->fl_bset;
- if (bset->lfs_cap == 0) {
- return;
+ if (pos != bset->lfs_cap - 1) {
+ memmove(&bset->lfs_bmarks[pos + 1], &bset->lfs_bmarks[pos],
+ sizeof(bset->lfs_bmarks[0]) * (bset->lfs_size - pos - 1));
}
Review Comment:
fixed
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