vrahane commented on code in PR #3365:
URL: https://github.com/apache/mynewt-core/pull/3365#discussion_r1956640616
##########
sys/log/full/src/log_fcb_bmark.c:
##########
@@ -70,65 +121,247 @@ 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_s = 0;
+ fcb_log->fl_bset.lfs_non_s_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_INFO(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_bmark(struct fcb_log *fcb_log, struct fcb_entry *entry,
Review Comment:
The const's were removed mainly because on our MCU we were seeing lower
performance because the flash is external, not particularly with this code but
in general. So, trying to reduce const usage wherever possible. Will change
this back if you think its an issue.
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