contur::NullTracer Class Reference

No-op tracer used when tracing is disabled. More...

#include <null_tracer.h>

Inheritance diagram for contur::NullTracer:

Public Member Functions
	NullTracer (const IClock &clock)
	Constructs a no-op tracer.
	~NullTracer () override=default
	Destroys no-op tracer.
	NullTracer (const NullTracer &)=delete
	Copy construction is disabled.
NullTracer &	operator= (const NullTracer &)=delete
	Copy assignment is disabled.
	NullTracer (NullTracer &&)=delete
	Move constructor is deleted because of reference member.
NullTracer &	operator= (NullTracer &&)=delete
	Move assignment is deleted because of reference member.
void	trace (const TraceEvent &event) override
	Emits a pre-constructed trace event.
void	pushScope (std::string_view subsystem, std::string_view operation) override
	Enters a nested tracing scope.
void	popScope () override
	Leaves the current tracing scope.
std::uint32_t	currentDepth () const noexcept override
	Returns current tracing depth for this tracer.
void	setMinLevel (TraceLevel level) noexcept override
	Sets minimum event level that will be emitted.
TraceLevel	minLevel () const noexcept override
	Returns minimum event level that will be emitted.
const IClock &	clock () const noexcept override
	Returns tracer clock reference.
Public Member Functions inherited from contur::ITracer
virtual	~ITracer ()=default
	Virtual destructor for polymorphic cleanup.

Private Attributes
const IClock &	clock_

Detailed Description

No-op tracer used when tracing is disabled.

Definition at line 13 of file null_tracer.h.

Constructor & Destructor Documentation

NullTracer() [1/3]

contur::NullTracer::NullTracer ( const IClock & clock )

inlineexplicit

Constructs a no-op tracer.

Parameters

clock

Clock reference returned by clock().

Definition at line 18 of file null_tracer.h.

References clock(), and clock_.

Referenced by NullTracer(), NullTracer(), operator=(), and operator=().

~NullTracer()

contur::NullTracer::~NullTracer ( )

overridedefault

Destroys no-op tracer.

NullTracer() [2/3]

contur::NullTracer::NullTracer ( const NullTracer & )

delete

Copy construction is disabled.

References NullTracer().

NullTracer() [3/3]

contur::NullTracer::NullTracer ( NullTracer && )

delete

Move constructor is deleted because of reference member.

References NullTracer().

Member Function Documentation

clock()

const IClock & contur::NullTracer::clock ( ) const

inlinenodiscardoverridevirtualnoexcept

Returns tracer clock reference.

Returns

Clock used for timestamping events.

Implements contur::ITracer.

Definition at line 72 of file null_tracer.h.

References clock_.

Referenced by NullTracer().

currentDepth()

std::uint32_t contur::NullTracer::currentDepth ( ) const

inlinenodiscardoverridevirtualnoexcept

Returns current tracing depth for this tracer.

Returns

Current scope depth.

Implements contur::ITracer.

Definition at line 54 of file null_tracer.h.

minLevel()

TraceLevel contur::NullTracer::minLevel ( ) const

inlinenodiscardoverridevirtualnoexcept

Returns minimum event level that will be emitted.

Implements contur::ITracer.

Definition at line 66 of file null_tracer.h.

References contur::Error.

operator=() [1/2]

NullTracer & contur::NullTracer::operator= ( const NullTracer & )

delete

Copy assignment is disabled.

References NullTracer().

operator=() [2/2]

NullTracer & contur::NullTracer::operator= ( NullTracer && )

delete

Move assignment is deleted because of reference member.

References NullTracer().

popScope()

void contur::NullTracer::popScope ( )

inlineoverridevirtual

Leaves the current tracing scope.

Implements contur::ITracer.

Definition at line 50 of file null_tracer.h.

pushScope()

void contur::NullTracer::pushScope ( std::string_view subsystem, std::string_view operation )

inlineoverridevirtual

Enters a nested tracing scope.

Parameters

subsystem	Subsystem name.
operation	Operation name.

Implements contur::ITracer.

Definition at line 43 of file null_tracer.h.

setMinLevel()

void contur::NullTracer::setMinLevel ( TraceLevel level )

inlineoverridevirtualnoexcept

Sets minimum event level that will be emitted.

Parameters

level

Minimum accepted level.

Implements contur::ITracer.

Definition at line 60 of file null_tracer.h.

trace()

void contur::NullTracer::trace ( const TraceEvent & event )

inlineoverridevirtual

Emits a pre-constructed trace event.

Parameters

event

Trace event to emit.

Implements contur::ITracer.

Definition at line 37 of file null_tracer.h.

Member Data Documentation

clock_

const IClock& contur::NullTracer::clock_

private

Definition at line 78 of file null_tracer.h.

Referenced by clock(), and NullTracer().

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The documentation for this class was generated from the following file:

• include/contur/tracing/null_tracer.h