+
+static void btif_stats_add_bond_event(const bt_bdaddr_t *bd_addr,
+ bt_bond_function_t function,
+ bt_bond_state_t state) {
+ pthread_mutex_lock(&bond_event_lock);
+
+ btif_bond_event_t* event = &btif_dm_bond_events[btif_events_end_index];
+ memcpy(&event->bd_addr, bd_addr, sizeof(bt_bdaddr_t));
+ event->function = function;
+ event->state = state;
+ clock_gettime(CLOCK_MONOTONIC, &event->timestamp);
+
+ btif_num_bond_events++;
+ btif_events_end_index = (btif_events_end_index + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1);
+ if (btif_events_end_index == btif_events_start_index) {
+ btif_events_start_index = (btif_events_start_index + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1);
+ }
+
+ int type;
+ btif_get_device_type(event->bd_addr.address, &type);
+ device_type_t device_type;
+ switch (type) {
+ case BT_DEVICE_TYPE_BREDR:
+ device_type = DEVICE_TYPE_BREDR;
+ break;
+ case BT_DEVICE_TYPE_BLE:
+ device_type = DEVICE_TYPE_LE;
+ break;
+ case BT_DEVICE_TYPE_DUMO:
+ device_type = DEVICE_TYPE_DUMO;
+ break;
+ default:
+ device_type = DEVICE_TYPE_UNKNOWN;
+ break;
+ }
+ // TODO (apanicke): Add disconnect reason and
+ // device class to the pair event.
+ uint64_t ts = event->timestamp.tv_sec * 1000 +
+ event->timestamp.tv_nsec / 1000000;
+ metrics_pair_event(0, ts, 0, device_type);
+
+ pthread_mutex_unlock(&bond_event_lock);
+}
+
+void btif_debug_bond_event_dump(int fd) {
+ pthread_mutex_lock(&bond_event_lock);
+ dprintf(fd, "\nBond Events: \n");
+ dprintf(fd, " Total Number of events: %zu\n", btif_num_bond_events);
+ if (btif_num_bond_events > 0)
+ dprintf(fd, " Time BD_ADDR Function State\n");
+
+ for (size_t i = btif_events_start_index; i != btif_events_end_index;
+ i = (i + 1) % (MAX_BTIF_BOND_EVENT_ENTRIES + 1)) {
+ btif_bond_event_t* event = &btif_dm_bond_events[i];
+
+ char eventtime[15];
+ struct tm *tstamp = localtime(&event->timestamp.tv_sec);
+ strftime(eventtime, sizeof(eventtime), "%H:%M:%S.%%03u", tstamp);
+ snprintf(eventtime, sizeof(eventtime), eventtime, (event->timestamp.tv_nsec) / 1000000);
+
+ char bdaddr[18];
+ bdaddr_to_string(&event->bd_addr, bdaddr, sizeof(bdaddr));
+
+ char* func_name;
+ switch (event->function) {
+ case BTIF_DM_FUNC_CREATE_BOND:
+ func_name = "btif_dm_create_bond";
+ break;
+ case BTIF_DM_FUNC_REMOVE_BOND:
+ func_name = "btif_dm_remove_bond";
+ break;
+ case BTIF_DM_FUNC_BOND_STATE_CHANGED:
+ func_name = "bond_state_changed ";
+ break;
+ default:
+ func_name = "Invalid value ";
+ break;
+ }
+
+ char* bond_state;
+ switch (event->state) {
+ case BT_BOND_STATE_NONE:
+ bond_state = "BOND_STATE_NONE";
+ break;
+ case BT_BOND_STATE_BONDING:
+ bond_state = "BOND_STATE_BONDING";
+ break;
+ case BT_BOND_STATE_BONDED:
+ bond_state = "BOND_STATE_BONDED";
+ break;
+ default:
+ bond_state = "Invalid bond state";
+ break;
+ }
+ dprintf(fd, " %s %s %s %s\n", eventtime, bdaddr, func_name, bond_state);
+ }
+ pthread_mutex_unlock(&bond_event_lock);
+}