azure / azure-uamqp-c - 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 464 units with 17,735 lines of code in units (76.8% of code).

6 very complex units (3,100 lines of code)
7 complex units (1,254 lines of code)
35 medium complex units (3,130 lines of code)
97 simple units (4,176 lines of code)
319 very simple units (6,075 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 internal_decoder_decode_bytes() in src/amqpvalue.c	1671	223	4
static int amqpvalue_encode_array_item() in src/amqpvalue.c	209	66	4
static SEND_ONE_MESSAGE_RESULT send_one_message() in src/message_sender.c	375	65	3
static void link_frame_received() in src/link.c	295	58	4
static void on_frame_received() in src/session.c	307	56	4
static void on_amqp_frame_received() in src/connection.c	243	52	5
bool amqpvalue_are_equal() in src/amqpvalue.c	153	39	2
static void on_sasl_frame_received_callback() in src/saslclientio.c	229	38	2
MESSAGE_HANDLE message_clone() in src/message.c	175	37	1
SESSION_SEND_TRANSFER_RESULT session_send_transfer() in src/session.c	203	35	7
static void decode_message_value_callback() in src/message_receiver.c	187	30	2
int frame_codec_receive_bytes() in src/frame_codec.c	208	29	3
int amqpvalue_encode() in src/amqpvalue.c	99	28	3
static void on_underlying_io_bytes_received() in src/header_detect_io.c	163	24	3
static AMQP_VALUE on_message_received() in src/amqp_management.c	205	24	2
ASYNC_OPERATION_HANDLE link_transfer_async() in src/link.c	174	23	8
static int send_open_frame() in src/connection.c	124	23	1
ASYNC_OPERATION_HANDLE amqp_management_execute_operation_async() in src/amqp_management.c	128	23	7
static void on_message_sender_state_changed() in src/amqp_management.c	78	22	3
static CONCRETE_IO_HANDLE header_detect_io_create() in src/header_detect_io.c	129	19	1
static void amqpvalue_clear() in src/amqpvalue.c	75	18	1
ASYNC_OPERATION_HANDLE cbs_put_token_async() in src/cbs.c	112	17	6
int link_detach() in src/link.c	89	17	5
int frame_codec_encode_frame() in src/frame_codec.c	95	17	8
static int encode_map_value() in src/amqpvalue.c	62	17	6
CONCRETE_SASL_MECHANISM_HANDLE saslplain_create() in src/sasl_plain.c	83	16	1
static void on_message_receiver_state_changed() in src/amqp_management.c	61	16	3
AMQP_MANAGEMENT_HANDLE amqp_management_create() in src/amqp_management.c	148	16	2
static int encode_list_value() in src/amqpvalue.c	59	16	6
static int encode_array_value() in src/amqpvalue.c	62	16	6
ASYNC_OPERATION_HANDLE messagesender_send_async() in src/message_sender.c	97	15	5
int amqp_frame_codec_encode_frame() in src/amqp_frame_codec.c	93	15	7
ASYNC_OPERATION_HANDLE cbs_delete_token_async() in src/cbs.c	93	14	5
static int connection_byte_received() in src/connection.c	58	14	2
static int saslclientio_receive_byte() in src/saslclientio.c	81	13	2
int session_send_flow() in src/session.c	54	13	2
public static string GetCType() in uamqp_generator/Program.cs	51	13	2
int sasl_frame_codec_encode_frame() in src/sasl_frame_codec.c	78	12	4
CONNECTION_HANDLE connection_create2() in src/connection.c	137	12	9
uint64_t connection_handle_deadlines() in src/connection.c	62	12	1
int amqpvalue_set_list_item_count() in src/amqpvalue.c	75	12	2
int amqpvalue_set_map_value() in src/amqpvalue.c	83	12	3
static void frame_received() in src/sasl_frame_codec.c	50	11	5
int session_end() in src/session.c	60	11	3
static void on_delivery_settled() in src/message_sender.c	59	11	4
int amqpvalue_set_list_item() in src/amqpvalue.c	80	11	3
static int encode_ulong_value() in src/amqpvalue.c	36	11	4
static int encode_long_value() in src/amqpvalue.c	36	11	4
void link_dowork() in src/link.c	43	10	1
LINK_ENDPOINT_HANDLE session_create_link_endpoint() in src/session.c	71	10	2