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#include <prometheus/registry.h>
#include <prometheus/counter.h>
#include <prometheus/text_serializer.h>
#include <array>
#include <chrono>
#include <cstdlib>
#include <memory>
#include <string>
#include <thread>
#include <iostream>
// use prometheus namespace
using namespace prometheus;
// for clarity, we deduce the required types
using IntegerCounter = Counter<uint64_t>;
using FloatingCounter = Counter<double>;
using IntegerCounterFamily = CustomFamily<IntegerCounter>;
using FloatingCounterFamily = CustomFamily<FloatingCounter>;
// create global registry for use it from our classes
static Registry globalRegistry;
class MyClass {
IntegerCounterFamily& counterFamily1 { IntegerCounter::Family::Build(globalRegistry,
"counter_family_1", "counter for check integer functionality",
{{"type","integer"}} ) };
IntegerCounter& counter11{ counterFamily1.Add({{"number", "1"}}) };
IntegerCounter& counter12{ counterFamily1.Add({{"number", "2"}}) };
IntegerCounter& counter13{ counterFamily1.Add({{"number", "3"}}) };
FloatingCounterFamily& counterFamily2 { FloatingCounter::Family::Build(globalRegistry,
"counter_family_2", "counter for check floating functionality",
{{"type","float"}} ) };
FloatingCounter& counter21{ counterFamily2.Add({{"number", "1"}}) };
FloatingCounter& counter22{ counterFamily2.Add({{"number", "2"}}) };
FloatingCounter& counter23{ counterFamily2.Add({{"number", "3"}}) };
public:
MyClass() = default;
void member_to_do_something() {
const int random_value = std::rand();
if (random_value & 1) counter11++;
if (random_value & 2) counter12++;
if (random_value & 4) counter13++;
if (random_value & 8) counter21++;
if (random_value & 16) counter22++;
if (random_value & 32) counter23++;
}
};
int main() {
MyClass myClass;
for (;; ) {
std::this_thread::sleep_for(std::chrono::seconds(1));
myClass.member_to_do_something();
TextSerializer text_serializer;
text_serializer.Serialize(std::cout, globalRegistry.Collect());
}
}
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