Merge pull request ARMmbed#2117 from ARMmbed/IOTTHD-3587

Jarkko Paso · web-flow · commit bd51f9f0f3f8 · 2019-06-18T16:47:23.000+03:00
RPL: trace new preferred parent
diff --git a/source/RPL/rpl_upward.c b/source/RPL/rpl_upward.c
@@ -1415,6 +1415,9 @@ void rpl_instance_run_parent_selection(rpl_instance_t *instance)
 
     if (original_preferred != preferred_parent) {
         protocol_stats_update(STATS_RPL_PARENT_CHANGE, 1);
+        if (preferred_parent) {
+            tr_debug("New preferred parent %s", trace_array(preferred_parent->ll_address, 16));
+        }
     }
 
     // Sets new preferred parent

Original file line number	Diff line number	Diff line change
`@@ -1415,6 +1415,9 @@ void rpl_instance_run_parent_selection(rpl_instance_t *instance)`
`1415`	`1415`
`1416`	`1416`	`if (original_preferred != preferred_parent) {`
`1417`	`1417`	`protocol_stats_update(STATS_RPL_PARENT_CHANGE, 1);`
	`1418`	`+ if (preferred_parent) {`
	`1419`	`+ tr_debug("New preferred parent %s", trace_array(preferred_parent->ll_address, 16));`
	`1420`	`+ }`
`1418`	`1421`	`}`
`1419`	`1422`
`1420`	`1423`	`// Sets new preferred parent`