apache / qpid-dispatchConditional 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 2,293 units with 35,535 lines of code in units (60.4% of code).

6 very complex units (1,212 lines of code)
40 complex units (4,089 lines of code)
127 medium complex units (7,678 lines of code)
226 simple units (5,840 lines of code)
1,894 very simple units (16,716 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
void qd_container_handle_event() in src/container.c	227	70	4
static void qcm_mobile_sync_on_mau_CT() in src/router_core/modules/mobile_sync/mobile.c	154	62	2
static bool AMQP_rx_handler() in src/router_node.c	288	58	2
def extract_facts() in tools/scraper/parser.py	210	56	1
static void AMQP_opened_handler() in src/router_node.c	177	55	3
static void qdr_agent_write_column_CT() in src/router_core/agent_link.c	156	51	4
static void qdr_connection_insert_column_CT() in src/router_core/agent_connection.c	152	48	5
static void print_parsed_field() in src/message.c	121	48	3
def __init__() in tools/scraper/amqp_detail.py	126	44	3
static qd_section_status_t message_section_check_LH() in src/message.c	115	43	9
def compile_app_settings() in python/qpid_dispatch_internal/policy/policy_local.py	141	42	7
static bool handle() in src/server.c	93	42	4
def __init__() in tools/scraper/parser.py	151	41	8
static void qdr_link_forward_CT() in src/router_core/transfer.c	113	41	5
static void qdr_config_auto_link_insert_column_CT() in src/router_core/agent_config_auto_link.c	95	41	4
int qdr_forward_balanced_CT() in src/router_core/forwarder.c	120	38	6
static void qdr_agent_write_column_CT() in src/router_core/agent_router.c	118	38	3
def parse_log_file() in tools/scraper/parser.py	82	37	3
void qdra_config_address_create_CT() in src/router_core/agent_config_address.c	131	35	4
static void qdr_config_link_route_insert_column_CT() in src/router_core/agent_config_link_route.c	89	35	4
static void qdr_link_inbound_detach_CT() in src/router_core/connections.c	103	34	3
static void qdr_insert_address_columns_CT() in src/router_core/agent_address.c	98	34	4
void qd_message_send() in src/message.c	130	33	4
int qdr_forward_multicast_CT() in src/router_core/forwarder.c	105	32	6
static void on_addr_event() in src/router_core/modules/edge_addr_tracking/edge_addr_tracking.c	94	31	3
int qdpn_data_insert() in src/proton_utils.c	127	31	2
int qdr_connection_process() in src/router_core/connections.c	136	30	1
static void qdr_link_inbound_second_attach_CT() in src/router_core/connections.c	76	30	3
void qd_server_config_free() in src/connection_manager.c	37	30	1
static qd_message_depth_status_t qd_message_check_LH() in src/message.c	88	30	2
def evaluate_credit() in tools/scraper/amqp_detail.py	116	29	1
static void qdr_link_deliver_CT() in src/router_core/transfer.c	83	29	3
void qdr_core_free() in src/router_core/router_core.c	144	29	1
static void qdr_link_react_to_first_attach_CT() in src/router_core/modules/address_lookup_client/address_lookup_client.c	69	29	11
def _parse() in python/qpid_dispatch_internal/management/config.py	69	28	2
int64_t qd_parse_as_long() in src/parse.c	93	28	1
def parse_dtype_line() in tools/scraper/parser.py	80	27	3
initialize() in console/react/src/topology/links.js	135	27	6
void qdr_delivery_increment_counters_CT() in src/router_core/delivery.c	70	27	2
static void qdr_link_inbound_first_attach_CT() in src/router_core/connections.c	111	26	3
static bool qd_can_handle_request() in src/router_core/management_agent.c	75	26	7
void qdr_terminus_format() in src/router_core/terminus.c	100	26	3
void qdra_config_auto_link_create_CT() in src/router_core/agent_config_auto_link.c	96	26	4
uint64_t qd_parse_as_ulong() in src/parse.c	69	26	1
static qd_message_field_t qd_field_section() in src/message.c	36	26	1
static bool parse_failover_property_list() in src/router_node.c	102	26	3
def compile_access_ruleset() in python/qpid_dispatch_internal/policy/policy_local.py	82	25	6
def create_ruleset() in python/qpid_dispatch_internal/policy/policy_local.py	56	25	2
qd_error_t qd_py_to_composed() in src/python_embedded.c	99	25	2
static void qdr_config_address_insert_column_CT() in src/router_core/agent_config_address.c	66	24	4