aws / audit-plugin-for-mysql - 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 67 units with 1,550 lines of code in units (66.3% of code).

0 very complex units (0 lines of code)
2 complex units (213 lines of code)
4 medium complex units (290 lines of code)
11 simple units (354 lines of code)
50 very simple units (693 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
static int log_statement_ex() in plugin/server_audit/server_audit.cc	141	40	8
int auditing() in plugin/server_audit/server_audit.cc	72	27	3
static size_t escape_string_hide_passwords() in plugin/server_audit/server_audit.cc	88	24	9
static int filter_query_type() in plugin/server_audit/server_audit.cc	61	23	2
static void update_connection_info() in plugin/server_audit/server_audit.cc	86	19	4
static int user_coll_fill() in plugin/server_audit/server_audit.cc	55	15	4
static void remove_blanks() in plugin/server_audit/server_audit.cc	28	10	1
static int do_log_user() in plugin/server_audit/server_audit.cc	24	10	5
static int server_audit_init() in plugin/server_audit/server_audit.cc	58	10	1
static int start_logging() in plugin/server_audit/server_audit.cc	62	9	0
static int write_log() in plugin/server_audit/server_audit.cc	36	9	3
static int get_user_host() in plugin/server_audit/server_audit.cc	24	8	5
static int get_next_word() in plugin/server_audit/server_audit.cc	18	7	2
static void update_file_path() in plugin/server_audit/server_audit.cc	38	7	2
static int do_rotate() in plugin/server_audit/file_logger.cc	30	7	1
static size_t escape_string() in plugin/server_audit/server_audit.cc	27	6	4
static int event_query_command() in plugin/server_audit/server_audit.cc	9	6	1
static void remove_user() in plugin/server_audit/server_audit.cc	19	5	1
static void update_general_user() in plugin/server_audit/server_audit.cc	18	5	2
static int server_audit_deinit() in plugin/server_audit/server_audit.cc	19	5	1
my_bool nu __attribute__() in plugin/server_audit/server_audit.cc	8	4	1
static int coll_insert() in plugin/server_audit/server_audit.cc	17	4	3
static int stop_logging() in plugin/server_audit/server_audit.cc	17	4	0
static int is_space() in plugin/server_audit/server_audit.cc	4	4	1
static size_t log_header() in plugin/server_audit/server_audit.cc	32	4	14
int get_db_mysql57() in plugin/server_audit/server_audit.cc	34	4	3
static void rotate_log() in plugin/server_audit/server_audit.cc	8	4	1
static void log_current_query() in plugin/server_audit/server_audit.cc	14	4	1
static void update_output_type() in plugin/server_audit/server_audit.cc	23	4	2
static void update_logging() in plugin/server_audit/server_audit.cc	27	4	2
static void update_syslog_ident() in plugin/server_audit/server_audit.cc	19	4	1
static unsigned int n_dig() in plugin/server_audit/file_logger.cc	4	4	1
bool logger_time_to_rotate() in plugin/server_audit/file_logger.cc	9	4	1
int logger_write_r() in plugin/server_audit/file_logger.cc	16	4	4
static void blank_user() in plugin/server_audit/server_audit.cc	5	3	1
static void get_str_n() in plugin/server_audit/server_audit.cc	10	3	5
static void setup_connection_connect() in plugin/server_audit/server_audit.cc	32	3	2
static void mark_always_logged() in plugin/server_audit/server_audit.cc	6	3	1
static void update_file_rotations() in plugin/server_audit/server_audit.cc	13	3	1
static void update_file_rotate_size() in plugin/server_audit/server_audit.cc	14	3	1
static void update_incl_users() in plugin/server_audit/server_audit.cc	18	3	2
static void update_excl_users() in plugin/server_audit/server_audit.cc	18	3	1
static void coll_free() in plugin/server_audit/server_audit.cc	8	2	1
static int cmp_users() in plugin/server_audit/server_audit.cc	9	2	2
static void coll_sort() in plugin/server_audit/server_audit.cc	5	2	1
static char escaped_char() in plugin/server_audit/server_audit.cc	4	2	1
static void setup_connection_initdb() in plugin/server_audit/server_audit.cc	28	2	2
static void setup_connection_query() in plugin/server_audit/server_audit.cc	27	2	2
static int check_users() in plugin/server_audit/server_audit.cc	17	2	4
static void update_syslog_facility() in plugin/server_audit/server_audit.cc	14	2	1