elastic / go-libaudit - Conditional 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 233 units with 3,852 lines of code in units (37.4% of code).

1 very complex units (185 lines of code)
3 complex units (342 lines of code)
15 medium complex units (739 lines of code)
33 simple units (893 lines of code)
181 very simple units (1,693 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
func ToCommandLine() in rule/rule.go	185	57	2
func addFilter() in rule/rule.go	145	46	4
func GetAuditEventType() in aucoalesce/event_type.go	63	45	1
func applyNormalization() in aucoalesce/coalesce.go	134	45	1
func setFileObject() in aucoalesce/coalesce.go	63	22	2
func() in auparse/auparse.go	53	19	1
func read() in cmd/audit/audit.go	64	18	0
func() in rule/flags/flags.go	56	18	1
func parseSockaddr() in auparse/sockaddr.go	69	16	1
func Build() in rule/rule.go	44	15	1
func() in cmd/auparse/auparse.go	50	14	1
func run() in auparse/mk_audit_msg_types.go	58	14	0
func run() in auparse/mk_audit_exit_codes.go	56	14	0
func addFileWatch() in rule/rule.go	41	13	2
func getArch() in rule/rule.go	40	12	1
func getDisplayArch() in rule/rule.go	33	12	1
func newEvent() in aucoalesce/coalesce.go	47	12	2
func ResolveIDsFromCaches() in aucoalesce/id_lookup.go	33	12	3
func normalizeCompound() in aucoalesce/coalesce.go	32	11	1
func() in rule/rule.go	40	10	1
func() in audit.go	40	9	1
func() in audit.go	32	9	1
func Parse() in rule/flags/flags.go	46	9	1
func getRuntimeArch() in rule/rule.go	24	9	0
func() in netlink.go	28	9	1
func LoadNormalizationConfig() in aucoalesce/normalize.go	31	9	1
func() in audit.go	28	8	1
func() in audit.go	39	8	1
func processLogs() in cmd/auparse/auparse.go	36	8	0
func() in rule/rule.go	35	8	1
func addSyscall() in rule/rule.go	30	8	2
func getFiletype() in rule/rule.go	20	8	1
func() in rule/rule.go	20	8	1
func parseAuditHeader() in auparse/auparse.go	35	8	1
func() in rule/flags/flags.go	24	7	1
func addInterFieldComparator() in rule/rule.go	31	7	4
func getUID() in rule/rule.go	20	7	1
func readErrorNumbers() in auparse/mk_audit_exit_codes.go	36	7	0
func() in auparse/auparse.go	24	7	1
func() in reassembler.go	26	7	1
func() in aucoalesce/coalesce.go	4	7	1
func() in audit.go	27	6	1
func() in audit.go	28	6	1
func() in cmd/auparse/auparse.go	21	6	1
func() in rule/flags/flags.go	17	6	1
func getPerm() in rule/rule.go	18	6	1
func readRecordTypes() in auparse/mk_audit_msg_types.go	19	6	0
func normalizeAuditMessage() in auparse/auparse.go	21	6	2
func() in auparse/auparse.go	21	6	1
func addSockaddrRecord() in aucoalesce/coalesce.go	27	6	2