apache / qpid-cppConditional 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 8,726 units with 68,066 lines of code in units (47.4% of code).

5 very complex units (764 lines of code)
25 complex units (2,333 lines of code)
203 medium complex units (9,660 lines of code)
440 simple units (10,553 lines of code)
8,053 very simple units (44,756 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
bool tokenise() in src/qpid/broker/SelectorToken.cpp	154	111	3
void ConnectionOptions::set() in src/qpid/messaging/ConnectionOptions.cpp	78	64	2
void ManagementAgent::periodicProcessing() in src/qpid/management/ManagementAgent.cpp	299	56	1
void Broker::createObject() in src/qpid/broker/Broker.cpp	164	54	5
void ConnectionImpl::setOption() in src/qpid/client/amqp0_10/ConnectionImpl.cpp	69	53	2
void DataReader::readOne() in src/qpid/broker/amqp/DataReader.cpp	96	50	1
bool QueueSettings::handle() in src/qpid/broker/QueueSettings.cpp	133	49	2
void AclReader::loadDecisionData() in src/qpid/acl/AclReader.cpp	153	48	1
Session::ResolvedNode Session::resolve() in src/qpid/broker/amqp/Session.cpp	118	47	3
bool RecoveryManager::getNextRecordHeader() in src/qpid/linearstore/journal/RecoveryManager.cpp	194	43	0
bool AclData::lookupMatchRule() in src/qpid/acl/AclData.cpp	160	43	5
void AddressHelper::checkAssertion() in src/qpid/messaging/amqp/AddressHelper.cpp	107	42	2
bool Expression::lessThan() in src/qmf/Expression.cpp	54	39	2
bool Expression::lessEqual() in src/qmf/Expression.cpp	54	39	2
bool Expression::greaterThan() in src/qmf/Expression.cpp	54	39	2
bool Expression::greaterEqual() in src/qmf/Expression.cpp	54	39	2
void Decoder::readValue() in src/qpid/amqp/Decoder.cpp	113	36	3
Variant toVariant() in src/qpid/amqp_0_10/Codecs.cpp	55	35	1
void ManagementAgent::handleGetQuery() in src/qpid/management/ManagementAgent.cpp	155	35	6
def __call__() in management/python/lib/qmf/console.py	49	28	2
boost::intrusive_ptr Translation::getTransfer() in src/qpid/broker/amqp/Translation.cpp	110	28	0
void MessageEncoder::writeProperties() in src/qpid/amqp/MessageEncoder.cpp	34	28	1
def _decodeValue() in management/python/lib/qmf/console.py	41	27	4
bool PnData::get() in src/qpid/messaging/amqp/PnData.cpp	81	27	2
void AgentImpl::handleQueryResponse() in src/qmf/Agent.cpp	80	27	2
def run() in management/python/lib/qmf/console.py	70	26	1
bool ManagementAgent::authorizeAgentMessage() in src/qpid/management/ManagementAgent.cpp	110	26	1
void MessageStoreImpl::recoverMessages() in src/qpid/legacystore/MessageStoreImpl.cpp	109	26	7
void MessageStoreImpl::recoverMessages() in src/qpid/linearstore/MessageStoreImpl.cpp	117	26	7
bool Expression::boolEval() in src/qmf/Expression.cpp	32	26	1
def _defaultValue() in management/python/lib/qmf/console.py	36	25	4
void ManagementAgent::handleGetQuery() in src/qpid/management/ManagementAgent.cpp	104	25	4
void ManagementAgent::dispatchAgentCommand() in src/qpid/management/ManagementAgent.cpp	63	25	2
bool SchemaImpl::isCompatibleType() in src/qmf/Schema.cpp	47	25	2
def _encodeValue() in management/python/lib/qmf/console.py	32	24	4
def _v1DispatchProtected() in management/python/lib/qmf/console.py	47	24	2
def __init__() in managementgen/qmfgen/schema.py	60	24	2
def __init__() in managementgen/qmfgen/schema.py	62	24	3
void Bridge::create() in src/qpid/broker/Bridge.cpp	80	24	1
boost::shared_ptr QueueFactory::create() in src/qpid/broker/QueueFactory.cpp	57	24	2
Event getEvent() in src/qpid/sys/posix/PosixPoller.cpp	95	24	1
Poller::Event Poller::wait() in src/qpid/sys/epoll/EpollPoller.cpp	96	24	1
void SslAsynchIO::sslDataIn() in src/qpid/sys/windows/SslAsynchIO.cpp	125	24	2
void AclValidator::registerProperties() in src/qpid/acl/AclValidator.cpp	96	24	5
def getObjects() in management/python/lib/qmf/console.py	43	23	2
def _displayValue() in management/python/lib/qmf/console.py	26	23	3
def genV2ClassDefines() in managementgen/qmfgen/schema.py	72	23	3
void QueueSettings::validate() in src/qpid/broker/QueueSettings.cpp	43	23	0
void Encoder::writeValue() in src/qpid/amqp/Encoder.cpp	70	22	2
void SchemaPropertyImpl::fromV1TypeCode() in src/qmf/SchemaProperty.cpp	56	22	1