GoogleCloudPlatform / cloud-sql-proxy - 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 108 units with 1,776 lines of code in units (75.9% of code).

1 very complex units (183 lines of code)
1 complex units (177 lines of code)
4 medium complex units (207 lines of code)
13 simple units (464 lines of code)
89 very simple units (745 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 parseConfig() in cmd/root.go	183	85	3
func runSignalWrapper() in cmd/root.go	177	30	1
func credentialsOpt() in internal/proxy/proxy.go	85	16	2
func() in internal/proxy/proxy.go	46	14	1
func() in internal/proxy/proxy.go	60	14	1
func dialOptions() in internal/proxy/proxy.go	16	11	2
func NewClient() in internal/proxy/proxy.go	42	10	5
func() in internal/proxy/proxy.go	53	10	1
func loadConfig() in cmd/root.go	34	10	3
func() in main_windows.go	53	9	1
func() in internal/proxy/proxy.go	35	9	1
func newUnixSocketMount() in internal/proxy/proxy.go	31	9	3
func initViper() in cmd/root.go	33	9	1
func() in internal/proxy/proxy.go	30	8	1
func() in internal/proxy/proxy.go	43	8	1
func() in internal/proxy/proxy_other.go	49	7	1
func() in internal/proxy/proxy.go	30	7	1
func networkType() in internal/proxy/proxy.go	7	6	2
func runWaitCmd() in cmd/root.go	24	6	2
func() in internal/healthcheck/healthcheck.go	27	5	1
func NewCommand() in cmd/root.go	138	5	1
func instanceFromEnv() in cmd/root.go	20	5	1
func instanceFromConfigFile() in cmd/root.go	21	5	1
func parseBoolOpt() in cmd/root.go	22	5	2
func main() in main_windows.go	14	4	0
func() in internal/gcloud/gcloud.go	19	4	1
func() in internal/proxy/proxy_other.go	19	4	1
func() in internal/proxy/proxy.go	18	4	1
func quitquitquit() in cmd/root.go	14	4	2
func startHTTPServer() in cmd/root.go	21	4	5
func main() in cmd/gendocs/gen_cloud-sql-proxy_docs.go	20	4	0
func configureFUSE() in internal/proxy/proxy_other.go	17	3	2
func() in internal/proxy/proxy_other.go	18	3	1
func SupportsFUSE() in internal/proxy/fuse_darwin.go	8	3	0
func SupportsFUSE() in internal/proxy/fuse_linux.go	8	3	0
func parseImpersonationChain() in internal/proxy/proxy.go	11	3	1
func() in internal/proxy/proxy.go	11	3	1
func Execute() in cmd/root.go	10	3	0
func Path() in internal/gcloud/gcloud.go	7	2	0
func TokenSource() in internal/gcloud/gcloud.go	8	2	0
func() in internal/proxy/proxy_other.go	9	2	1
func() in internal/proxy/proxy_other.go	8	2	1
func() in internal/proxy/fuse.go	7	2	1
func parseConnName() in internal/proxy/proxy.go	16	2	1
func() in internal/healthcheck/healthcheck.go	10	2	1
func NewStructuredLogger() in internal/log/log.go	27	2	1
func semanticVersion() in cmd/root.go	7	2	0
func() in cmd/errors.go	6	2	1
func main() in main.go	3	1	0
func() in internal/gcloud/gcloud.go	6	1	1