GoogleCloudPlatform / grpc-gcp-tools - 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 131 units with 2,089 lines of code in units (73.5% of code).

1 very complex units (500 lines of code)
1 complex units (92 lines of code)
5 medium complex units (330 lines of code)
14 simple units (409 lines of code)
110 very simple units (758 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 main() in dp_check/dp_check.go	500	118	0
func getBackendAddrsFromGrpclb() in dp_check/dp_check.go	92	26	3
func file_rls_config_proto_init() in proto/grpc_lookup_v1/rls_config.pb.go	109	24	0
func getBackendAddrsFromTrafficDirector() in dp_check/dp_check.go	76	18	1
func processLdsResponse() in dp_check/dp_check.go	57	16	1
func resolveBackends() in dp_check/dp_check.go	44	12	3
func processEdsResponse() in dp_check/dp_check.go	44	11	1
func checkLocalIPv6Routes() in dp_check/dp_check.go	38	10	2
func checkLocalIPv4Routes() in dp_check/dp_check.go	38	10	2
func processDNSClusterResponse() in dp_check/dp_check.go	33	10	2
func file_rls_proto_init() in proto/grpc_lookup_v1/rls.pb.go	50	9	0
func fetchIPFromMetadataServer() in dp_check/dp_check.go	36	8	1
func findLocalAddress() in dp_check/dp_check.go	33	8	1
func processAggregateClusterResponse() in dp_check/dp_check.go	23	8	2
func checkCDS() in dp_check/dp_check.go	38	8	5
func checkLocalIPv6LoopbackAddress() in dp_check/dp_check.go	11	6	1
func manufacturerReader() in dp_check/dp_check.go	23	6	0
func isRunningOnGCP() in dp_check/dp_check.go	22	6	0
func runCheck() in dp_check/dp_check.go	20	6	2
func processEdsClusterResponse() in dp_check/dp_check.go	18	6	2
func logLocalRoutes() in dp_check/netlink_linux.go	26	6	2
func sendXdsRequest() in dp_check/dp_check.go	41	5	6
func getCluster() in dp_check/dp_check.go	17	5	2
func getFromMetadata() in dp_check/dp_check.go	25	5	2
func checkLocalIPv6Addresses() in dp_check/dp_check.go	11	4	1
func checkLocalIPv4Addresses() in dp_check/dp_check.go	11	4	1
func readManufacturer() in dp_check/dp_check.go	14	4	0
func checkSecureConnectivityToBackend() in dp_check/dp_check.go	22	4	1
func checkEDS() in dp_check/dp_check.go	14	4	5
func() in proto/grpc_lookup_v1/rls_config.pb.go	11	4	1
func() in proto/grpc_lookup_v1/rls_config.pb.go	11	4	1
func() in proto/grpc_lookup_v1/rls_config.pb.go	11	4	1
func() in proto/grpc_lookup_v1/rls_config.pb.go	11	4	1
func() in proto/grpc_lookup_v1/rls_config.pb.go	11	4	1
func() in proto/grpc_lookup_v1/rls_config.pb.go	11	4	1
func() in proto/grpc_lookup_v1/rls_config.pb.go	11	4	1
func() in proto/grpc_lookup_v1/rls.pb.go	11	4	1
func() in proto/grpc_lookup_v1/rls.pb.go	11	4	1
func skipLoopback() in dp_check/dp_check.go	9	3	1
func skipNonLoopback() in dp_check/dp_check.go	9	3	1
func openAdsStream() in dp_check/dp_check.go	22	3	1
func newNode() in dp_check/dp_check.go	24	3	2
func getZone() in dp_check/dp_check.go	11	3	1
func checkLDS() in dp_check/dp_check.go	12	3	4
func maybeOverrideFlags() in dp_check/dp_check.go	8	3	0
func parseAddress() in dp_check/dp_check.go	11	3	1
func ackXdsResponse() in dp_check/dp_check.go	13	2	6
func() in proto/grpc_lookup_v1/rls_config.pb.go	8	2	1
func() in proto/grpc_lookup_v1/rls_config.pb.go	6	2	1
func() in proto/grpc_lookup_v1/rls_config.pb.go	6	2	1