aliyun / aliyun-log-c-sdk - 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 214 units with 3,826 lines of code in units (58.3% of code).

1 very complex units (145 lines of code)
2 complex units (306 lines of code)
6 medium complex units (456 lines of code)
20 simple units (695 lines of code)
185 very simple units (2,224 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
FORCE_INLINE int LZ4_decompress_generic() in src/lz4.c	145	52	11
FORCE_INLINE int LZ4_compress_generic() in src/lz4.c	181	44	10
static int LZ4_compress_destSize_generic() in src/lz4.c	125	27	6
static unsigned LZ4_NbCommonBytes() in src/lz4.c	66	25	1
void destroy_log_producer_manager() in src/log_producer_manager.c	69	17	1
void destroy_log_producer_config() in src/log_producer_config.c	62	16	1
int32_t log_producer_on_send_done() in src/log_producer_sender.c	116	16	3
void post_logs_with_http_cont_lz4_log_option() in sample/log_post_logs_sample.c	101	12	0
int LZ4_compress_fast_continue() in src/lz4.c	42	12	6
static unsigned LZ4_count() in src/lz4.c	15	10	3
log_producer_send_result AosStatusToResult() in src/log_producer_sender.c	28	10	1
void log_producer_multi_thread() in sample/log_producer_benchmark.c	45	8	1
void log_producer_post_logs() in sample/log_producer_benchmark.c	58	8	2
void post_frame() in sample/video_frame_producer_sample.c	70	8	2
void fix_log_group_time() in src/log_builder.c	25	8	3
int log_producer_config_is_valid() in src/log_producer_config.c	24	8	1
log_producer_result log_producer_manager_add_log() in src/log_producer_manager.c	46	8	7
sds sdscatvprintf() in src/sds.c	28	8	3
int LZ4_compress_fast_extState() in src/lz4.c	19	7	6
void log_producer_config_add_tag() in src/log_producer_config.c	29	7	3
void sha256_update() in src/sha256.c	31	7	3
void mbedtls_md5_update() in src/md5.c	31	7	3
void log_producer_post_logs() in sample/log_producer_sample.c	44	6	0
void producer_post_frames() in sample/video_frame_producer_sample.c	42	6	0
int LZ4_loadDict() in src/lz4.c	27	6	3
static void LZ4_renormDictT() in src/lz4.c	18	6	2
void sha1_nextBlock() in src/sha1.c	36	6	2
void add_log_full() in src/log_builder.c	44	6	7
void aos_log_format_default() in src/inner_log.c	35	6	6
void on_log_send_done() in sample/log_producer_sample.c	27	5	7
void log_producer_create_destroy() in sample/log_producer_benchmark.c	25	5	0
void log_producer_env_destroy() in src/log_producer_client.c	33	5	0
log_producer_result log_producer_global_send_thread_init() in src/log_producer_client.c	16	5	2
void hmac_sha1() in src/hmac-sha.c	30	5	5
static inline size_t uint32_size() in src/log_builder.c	14	5	1
static inline size_t uint32_pack() in src/log_builder.c	22	5	2
static inline uint32_t parse_uint32() in src/log_builder.c	16	5	2
static unsigned scan_varint() in src/log_builder.c	12	5	2
void log_group_destroy() in src/log_builder.c	21	5	1
static uint32_t _log_pack() in src/log_builder.c	32	5	2
sds sdsnewlen() in src/sds.c	15	5	2
void builder_speed_test() in sample/log_producer_benchmark.c	75	4	1
log_producer_result log_producer_client_add_log() in src/log_producer_client.c	31	4	3
log_producer_result log_producer_client_add_raw_log_buffer() in src/log_producer_client.c	9	4	4
static void LZ4_putPositionOnHash() in src/lz4.c	9	4	5
static int LZ4_compress_destSize_extState() in src/lz4.c	15	4	5
int LZ4_decompress_safe_continue() in src/lz4.c	26	4	5
int LZ4_decompress_fast_continue() in src/lz4.c	26	4	4
FORCE_INLINE int LZ4_decompress_usingDict_generic() in src/lz4.c	12	4	7
void sha1_lastBlock() in src/sha1.c	26	4	3