apache / dubbo-go-pixiuConditional 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 7,663 units with 111,310 lines of code in units (60.3% of code).

1 very complex units (614 lines of code)
28 complex units (3,746 lines of code)
403 medium complex units (22,561 lines of code)
963 simple units (28,106 lines of code)
6,268 very simple units (56,283 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 file_pkg_apis_istio_v1alpha1_values_types_proto_init() in operator/pkg/apis/istio/v1alpha1/values_types.pb.go	614	150	0
func patch() in pilot/pkg/config/kube/crdclient/types.gen.go	339	46	7
func() in pilot/pkg/model/push_context.go	133	45	1
func() in pilot/pkg/networking/core/v1alpha3/listener.go	168	42	1
func shouldSkip() in tools/bug-report/pkg/cluster/cluster.go	101	40	3
func Analyze() in istioctl/cmd/analyze.go	193	40	0
func buildListener() in pilot/pkg/networking/core/v1alpha3/listener.go	127	38	2
func getPathContext() in operator/pkg/tpath/tree.go	152	38	4
func MergeGateways() in pilot/pkg/model/gateway.go	164	37	3
func() in pilot/pkg/networking/core/v1alpha3/listener.go	115	35	1
func Build() in tools/docker-builder/builder/crane.go	154	34	1
func ValidateMeshConfigProxyConfig() in pkg/config/validation/validation.go	88	34	1
func buildHTTPVirtualServices() in pilot/pkg/config/kube/gateway/conversion.go	159	33	5
func ConvertToSidecarScope() in pilot/pkg/model/sidecar.go	148	33	3
func bindFlags() in tools/istio-iptables/pkg/cmd/root.go	131	32	2
func VerifyCertificate() in security/pkg/pki/util/verify_cert.go	98	32	4
func patchHTTPFilters() in pilot/pkg/networking/core/v1alpha3/envoyfilter/listener_patch.go	106	32	5
func() in operator/pkg/controller/istiocontrolplane/istiocontrolplane_controller.go	148	32	1
func IntoObject() in pkg/kube/inject/inject.go	160	31	7
func() in pilot/pkg/simulation/traffic.go	91	30	1
func validateTLSOptions() in pkg/config/validation/validation.go	71	29	1
func patchNetworkFilters() in pilot/pkg/networking/core/v1alpha3/envoyfilter/listener_patch.go	95	28	4
func BuildSidecarOutboundVirtualHosts() in pilot/pkg/networking/core/v1alpha3/httproute.go	143	28	6
func() in tools/istio-iptables/pkg/capture/run.go	161	27	1
func logCmd() in istioctl/cmd/proxyconfig.go	130	27	0
func mergeMetrics() in pilot/pkg/model/telemetry.go	115	27	2
func validateHTTPRouteMatchRequest() in pkg/config/validation/virtualservice.go	80	27	2
func() in pilot/pkg/networking/core/v1alpha3/cluster_builder.go	110	26	1
func mergeHTTPMatchRequest() in pilot/pkg/model/virtualservice.go	66	26	2
func NewFakeDiscoveryServer() in pilot/pkg/xds/fake.go	206	25	2
func Install() in operator/cmd/mesh/install.go	86	25	6
func() in pkg/adsc/adsc.go	113	25	1
func NewServer() in pilot/pkg/bootstrap/server.go	133	24	2
func delete() in pilot/pkg/config/kube/crdclient/types.gen.go	54	24	6
func() in pilot/pkg/model/push_context.go	66	24	1
func() in pilot/pkg/xds/delta.go	100	24	1
func() in operator/pkg/translate/translate.go	85	24	1
func checkDeprecatedHPAFields() in operator/pkg/translate/translate.go	38	24	1
func convert() in pkg/wasm/convert.go	123	24	2
func injectRequired() in pkg/kube/inject/inject.go	89	24	4
func() in istioctl/cmd/kubeinject.go	126	23	1
func create() in pilot/pkg/config/kube/crdclient/types.gen.go	116	23	4
func update() in pilot/pkg/config/kube/crdclient/types.gen.go	116	23	4
func ComposePeerAuthentication() in pilot/pkg/security/authn/v1beta1/policy_applier.go	53	23	2
func patchHTTPRoutes() in pilot/pkg/networking/core/v1alpha3/envoyfilter/rc_patch.go	77	23	5
func() in pilot/pkg/serviceregistry/serviceentry/servicediscovery.go	97	23	1
func resolveVirtualServiceShortnames() in pilot/pkg/model/virtualservice.go	55	23	2
func hasConflict() in pilot/pkg/model/virtualservice.go	50	23	2
func() in pilot/pkg/xds/deltatest.go	87	23	1
func() in pkg/adsc/adsc.go	106	23	1