File Information
Library: Prometheus
Package: Core
Header: Poco/Prometheus/IntCounter.h
Description
IntCounter is a very low overhead implementation of a Counter, supporting 64-bit unsigned integer values only, using std::atomic
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Inheritance
Direct Base Classes: Metric
Member Summary
Member Functions: exportTo, help, inc, setToCurrentTime, value
Inherited Functions: exportTo, help, name, setHelp, type, validateName
Nested Classes
struct Params
Types Aliases
Sample
using Sample = Poco::UInt64;
Constructors
IntCounter
explicit IntCounter(
const std::string & name
);
Creates a IntCounter with the given name and registers it with the default registry.
IntCounter
IntCounter(
const std::string & name,
const Params & params
);
Creates a IntCounter with the given name and help text (via params), and registers it with the default registry.
IntCounter
IntCounter(
const std::string & name,
Registry * pRegistry
);
Creates a IntCounter with the given name and registers it with the given registry (if not nullptr).
IntCounter
IntCounter(
const std::string & name,
const Params & params,
Registry * pRegistry
);
Creates a IntCounter with the given name and help text (via params), and registers it with the given registry (if not nullptr).
Destructor
~IntCounter
~IntCounter() = default;
Destroys the IntCounter.
Member Functions
exportTo
void exportTo(
Exporter & exporter
) const override;
See also: Poco::Prometheus::Collector::exportTo()
help
IntCounter & help(
const std::string & text
);
Sets the IntCounter's help text.
Must only be set once, immediately after creating the IntCounter.
inc
void inc();
Increments the IntCounter's current value by one.
inc
void inc(
Sample v
);
Increments the IntCounter's current value by the given value.
setToCurrentTime
void setToCurrentTime();
Sets the Gauge's current value to the current epoch time (seconds since midnight January 1st 1970).
value
Sample value() const;
Returns the IntCounter's current value.