Delete bt_snoop.log when snoop logging is disabled

This patch will immediatly delete the snoop log if Bluetooth is on. If Bluetooth
is off it will delete the log as soon as Bluetooth starts again.

Test: Turn off logging while Bluetooth is on and off
Bug: 36718948
Change-Id: Ib660cd442c93f1a34c948d51c5cffc38695558d5

diff --git a/hci/src/btsnoop.cc b/hci/src/btsnoop.cc
index 38de5c3..9e181e3 100644 (file)
--- a/hci/src/btsnoop.cc
+++ b/hci/src/btsnoop.cc
@@ -142,6 +142,11 @@ static void update_logging() {
   bool should_log = module_started && (logging_enabled_via_api ||
                                        stack_config->get_btsnoop_turned_on());
 
+  if (module_started && !should_log) {
+    LOG_INFO(LOG_TAG, "Deleting snoop log if it exists");
+    remove(stack_config->get_btsnoop_log_path());
+  }
+
   if (should_log == is_logging) return;
 
   is_logging = should_log;