apache / mynewt-nimbleConditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 1,747 units with 29,938 lines of code in units (19.7% of code).

0 very complex units (0 lines of code)
3 complex units (384 lines of code)
62 medium complex units (3,537 lines of code)
194 simple units (6,654 lines of code)
1,488 very simple units (19,363 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
static int trans_seg() in nimble/host/mesh/src/transport.c	167	31	5
def process_returned_parameters() in tools/hci_throughput/hci_commands.py	99	30	1
case BLE_HCI_OP() in nimble/controller/src/ble_ll_hci.c	118	28	2
static int send_seg() in nimble/host/mesh/src/transport.c	111	22	5
bool bt_mesh_net_iv_update() in nimble/host/mesh/src/net.c	81	22	2
static uint8_t _mod_pub_set() in nimble/host/mesh/src/cfg_srv.c	64	19	8
static int ctl_recv() in nimble/host/mesh/src/transport.c	53	18	4
void state_binding() in apps/blemesh_models_example_2/src/state_binding.c	71	18	2
int tc_ccm_decryption_verification() in ext/tinycrypt/src/ccm_mode.c	48	17	7
int bt_mesh_prov_auth() in nimble/host/mesh/src/prov.c	71	17	4
int bt_mesh_trans_recv() in nimble/host/mesh/src/transport.c	53	16	2
static void bt_mesh_net_relay() in nimble/host/mesh/src/net.c	53	16	2
int bt_mesh_friend_req() in nimble/host/mesh/src/friend.c	84	16	2
int tc_ccm_generation_encryption() in ext/tinycrypt/src/ccm_mode.c	41	15	7
int bt_mesh_trans_send() in nimble/host/mesh/src/transport.c	58	15	4
bool bt_mesh_net_cred_find() in nimble/host/mesh/src/subnet.c	65	15	4
static void lpn_timeout() in nimble/host/mesh/src/lpn.c	68	15	1
uint16_t bt_mesh_app_key_find() in nimble/host/mesh/src/app_keys.c	49	15	4
static int gen_delta_set_unack() in apps/blemesh_models_example_2/src/device_composition.c	71	15	3
static int gen_delta_set() in apps/blemesh_models_example_2/src/device_composition.c	74	15	3
static int light_ctl_set_unack() in apps/blemesh_models_example_2/src/device_composition.c	70	15	3
static int light_ctl_set() in apps/blemesh_models_example_2/src/device_composition.c	73	15	3
static int gen_move_set_unack() in apps/blemesh_models_example_2/src/device_composition.c	68	14	3
static int gen_move_set() in apps/blemesh_models_example_2/src/device_composition.c	71	14	3
static int light_ctl_temp_set_unack() in apps/blemesh_models_example_2/src/device_composition.c	66	14	3
static int light_ctl_temp_set() in apps/blemesh_models_example_2/src/device_composition.c	68	14	3
static void gen_prov_cont() in nimble/host/mesh/src/pb_adv.c	50	13	2
static void gen_prov_start() in nimble/host/mesh/src/pb_adv.c	54	13	2
int bt_mesh_lpn_friend_update() in nimble/host/mesh/src/lpn.c	57	13	2
static bool prov_check_method() in nimble/host/mesh/src/provisioner.c	51	13	1
bool bt_mesh_rpl_check() in nimble/host/mesh/src/rpl.c	40	13	2
static int light_lightness_set_unack() in apps/blemesh_models_example_2/src/device_composition.c	58	13	3
static int light_lightness_set() in apps/blemesh_models_example_2/src/device_composition.c	61	13	3
static int mod_member_list_handle() in nimble/host/mesh/src/cfg_cli.c	36	12	4
static int mod_pub_status() in nimble/host/mesh/src/cfg_cli.c	60	12	3
static int mod_sub_status() in nimble/host/mesh/src/cfg_cli.c	42	12	3
static void store_pending() in nimble/host/mesh/src/settings.c	50	12	1
static void secure_beacon_recv() in nimble/host/mesh/src/beacon.c	51	12	1
int bt_mesh_net_send() in nimble/host/mesh/src/net.c	49	12	4
void bt_mesh_net_recv() in nimble/host/mesh/src/net.c	39	12	3
int bt_mesh_lpn_friend_sub_cfm() in nimble/host/mesh/src/lpn.c	48	12	2
static int adv_start() in nimble/host/mesh/src/adv_ext.c	69	12	6
int bt_mesh_provision() in nimble/host/mesh/src/mesh.c	60	12	6
static int mod_app_get() in nimble/host/mesh/src/cfg_srv.c	67	12	3
static int gen_onoff_set_unack() in apps/blemesh_models_example_2/src/device_composition.c	58	12	3
static int gen_level_set_unack() in apps/blemesh_models_example_2/src/device_composition.c	59	12	3
static int gen_level_set() in apps/blemesh_models_example_2/src/device_composition.c	62	12	3
static int gap_event() in apps/mesh_badge/src/main.c	67	12	2
int tc_ctr_mode() in ext/tinycrypt/src/ctr_mode.c	37	11	6
int tc_cmac_update() in ext/tinycrypt/src/cmac_mode.c	49	11	3