GoogleCloudPlatform / pcap-sidecar - 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 517 units with 7,279 lines of code in units (75.9% of code).

1 very complex units (299 lines of code)
3 complex units (499 lines of code)
18 medium complex units (1,175 lines of code)
25 simple units (930 lines of code)
470 very simple units (4,376 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() in pcap-cli/internal/transformer/json_translator.go	299	75	1
func file_packet_proto_init() in pcap-cli/internal/pb/packet.pb.go	164	36	0
func main() in pcap-fsnotify/main.go	169	28	0
func() in pcap-cli/internal/transformer/flow_mutex.go	166	26	1
func() in pcap-cli/pkg/pcap/gopacket_engine.go	110	23	1
func() in pcap-cli/internal/transformer/json_translator.go	142	22	1
func createTasks() in tcpdumpw/main.go	104	21	20
func() in pcap-cli/internal/transformer/translator_worker.go	54	20	1
func() in pcap-cli/internal/transformer/json_translator.go	44	18	1
func main() in tcpdumpw/main.go	151	18	0
func() in tcpdumpw/pkg/filter/ip_filter_provider.go	48	16	1
func() in tcpdumpw/pkg/filter/l4_proto_filter_provider.go	39	16	1
func() in pcap-cli/internal/transformer/json_translator.go	62	15	1
func() in tcpdumpw/pkg/filter/dns_filter_provider.go	32	15	1
func() in tcpdumpw/pkg/filter/ip_filter_provider.go	39	14	1
func() in pcap-cli/internal/transformer/transformer.go	59	13	1
func() in tcpdumpw/pkg/filter/l3_proto_filter_provider.go	33	13	1
func exportPcapFile() in pcap-fsnotify/main.go	67	12	7
func startPCAP() in pcap-cli/cmd/pcap.go	47	12	6
func newTransformer() in pcap-cli/internal/transformer/transformer.go	79	11	11
func() in pcap-cli/internal/transformer/translator_worker.go	39	11	1
func() in tcpdumpw/pkg/filter/ports_filter_provider.go	26	11	1
func() in pcap-cli/internal/transformer/json_translator.go	50	10	1
func() in pcap-cli/internal/transformer/translator_worker.go	48	10	1
func() in tcpdumpw/pkg/filter/tcp_flags_filter_provider.go	31	10	1
func parseEphemeralPorts() in tcpdumpw/main.go	24	10	1
func providePcapFilter() in pcap-cli/pkg/pcap/pcap.go	27	9	3
func parseTCPflags() in pcap-cli/internal/transformer/utils.go	28	9	1
func() in pcap-cli/internal/transformer/json_tls_translator.go	36	9	1
func applyFilter() in tcpdumpw/pkg/filter/filter_provider.go	25	9	4
func() in pcap-fsnotify/internal/gcs/exporter.go	113	8	1
func setCtxVar() in config/internal/config/context.go	30	8	4
func() in pcap-cli/pkg/pcap/gopacket_engine.go	31	8	1
func NewPcap() in pcap-cli/pkg/pcap/gopacket_engine.go	26	8	1
func() in pcap-cli/internal/transformer/transformer.go	30	8	1
func() in pcap-cli/internal/transformer/flow_mutex.go	28	8	1
func() in pcap-cli/internal/transformer/flow_mutex.go	43	8	1
func() in pcap-cli/pkg/pcap/tcpdump_engine.go	51	7	1
func() in pcap-cli/internal/transformer/json_translator.go	42	7	1
func() in pcap-cli/pkg/pcap/tcpdump_engine.go	20	6	1
func NewPcapWriter() in pcap-cli/pkg/pcap/pcap_writer.go	40	6	6
func() in pcap-cli/internal/transformer/packet_filter.go	11	6	1
func() in pcap-cli/internal/transformer/flow_mutex.go	31	6	1
func() in pcap-cli/internal/transformer/flow_mutex.go	55	6	1
func() in pcap-cli/internal/transformer/json_tls_translator.go	57	6	1
func() in tcpdumpw/pkg/filter/process_filter_provider.go	28	6	1
func startTCPListener() in tcpdumpw/main.go	25	6	4
func getCurrentMemoryUtilization() in pcap-fsnotify/main.go	22	5	1
func flushSrcDir() in pcap-fsnotify/main.go	28	5	7
func findAllDevs() in pcap-cli/pkg/pcap/pcap.go	15	5	1