mirror of
https://github.com/zerotier/ZeroTierOne.git
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8e6e4ede6d
* add header-only prometheus lib to ext
* rename folder
* Undo rename directory
* prometheus simpleapi included on mac & linux
* wip
* wire up some controller stats
* Get windows building with prometheus
* bsd build flags for prometheus
* Fix multiple network join from environment entrypoint.sh.release (#1961)
* _bond_m guards _bond, not _paths_m (#1965)
* Fix: warning: mutex '_aqm_m' is not held on every path through here [-Wthread-safety-analysis] (#1964)
* Serve prom metrics from /metrics endpoint
* Add prom metrics for Central controller specific things
* reorganize metric initialization
* testing out a labled gauge on Networks
* increment error counter on throw
* Consolidate metrics definitions
Put all metric definitions into node/Metrics.hpp. Accessed as needed
from there.
* Revert "testing out a labled gauge on Networks"
This reverts commit 499ed6d95e.
* still blows up but adding to the record for completeness right now
* Fix runtime issues with metrics
* Add metrics files to visual studio project
* Missed an "extern"
* add copyright headers to new files
* Add metrics for sent/received bytes (total)
* put /metrics endpoint behind auth
* sendto returns int on Win32
---------
Co-authored-by: Leonardo Amaral <leleobhz@users.noreply.github.com>
Co-authored-by: Brenton Bostick <bostick@gmail.com>
66 lines
2.5 KiB
C++
66 lines
2.5 KiB
C++
#include <prometheus/registry.h>
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#include <prometheus/counter.h>
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#include <prometheus/text_serializer.h>
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#include <array>
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#include <chrono>
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#include <cstdlib>
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#include <memory>
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#include <string>
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#include <thread>
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#include <iostream>
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int main() {
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using namespace prometheus;
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// for clarity, we deduce the required types
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using IntegerCounter = Counter<uint64_t>;
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using FloatingCounter = Counter<double>;
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using IntegerCounterFamily = CustomFamily<IntegerCounter>;
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using FloatingCounterFamily = CustomFamily<FloatingCounter>;
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// create a metrics registry
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// @note it's the users responsibility to keep the object alive
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Registry registry;
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// add a new counter family to the registry (families combine values with the
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// same name, but distinct label dimensions)
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//
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// @note please follow the metric-naming best-practices:
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// https://prometheus.io/docs/practices/naming/
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FloatingCounterFamily& packet_counter{ FloatingCounter::Family::Build(registry, "observed_packets_total", "Number of observed packets") };
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// add and remember dimensional data, incrementing those is very cheap
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FloatingCounter& tcp_rx_counter{ packet_counter.Add({ {"protocol", "tcp"}, {"direction", "rx"} }) };
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FloatingCounter& tcp_tx_counter{ packet_counter.Add({ {"protocol", "tcp"}, {"direction", "tx"} }) };
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FloatingCounter& udp_rx_counter{ packet_counter.Add({ {"protocol", "udp"}, {"direction", "rx"} }) };
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FloatingCounter& udp_tx_counter{ packet_counter.Add({ {"protocol", "udp"}, {"direction", "tx"} }) };
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// add a counter whose dimensional data is not known at compile time
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// nevertheless dimensional values should only occur in low cardinality:
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// https://prometheus.io/docs/practices/naming/#labels
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IntegerCounterFamily& http_requests_counter = IntegerCounter::Family::Build(registry, "http_requests_total", "Number of HTTP requests");
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for (;; ) {
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std::this_thread::sleep_for(std::chrono::seconds(1));
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const int random_value = std::rand();
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if (random_value & 1) tcp_rx_counter++;
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if (random_value & 2) ++tcp_tx_counter;
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if (random_value & 4) udp_rx_counter += 0.5;
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if (random_value & 8) udp_tx_counter += 0.7;
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const std::array<std::string, 4> methods = { "GET", "PUT", "POST", "HEAD" };
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const std::string& method = methods.at(static_cast<std::size_t>(random_value) % methods.size());
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// dynamically calling Family<T>.Add() works but is slow and should be avoided
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http_requests_counter.Add({ {"method", method} }) += 10;
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TextSerializer text_serializer;
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text_serializer.Serialize(std::cout, registry.Collect());
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}
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}
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