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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| #include <memory> | ||
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| #include <prometheus/counter.h> | ||
| #include <prometheus/gauge.h> | ||
| #include <prometheus/info.h> | ||
| #include <prometheus/registry.h> | ||
|
|
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| #include "PrometheusExporter.hpp" | ||
| #include "options.hpp" | ||
|
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| PrometheusExporter::PrometheusExporter(const std::string &bind): | ||
| _exposer(bind), | ||
| _ready(false) | ||
| { | ||
| } | ||
|
|
||
| void PrometheusExporter::registerMetrics() | ||
| { | ||
| _registry = std::make_shared<prometheus::Registry>(); | ||
|
|
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| // clang-format off | ||
| auto &packet_counter = prometheus::BuildCounter() | ||
| .Name("observed_packets_total") | ||
| .Help("Number of observed packets") | ||
| .Register(*_registry); | ||
| // clang-format on | ||
| _packet_rx_counter = &packet_counter.Add({{"direction", "rx"}}); | ||
| _packet_tx_counter = &packet_counter.Add({{"direction", "tx"}}); | ||
|
|
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| // clang-format off | ||
| auto& version_info = prometheus::BuildInfo() | ||
| .Name("versions") | ||
| .Help("Static info about the server") | ||
| .Register(*_registry); | ||
| // clang-format on | ||
| _version_info = &version_info.Add({{PROGRAM_NAME, PROGRAM_VERSION}}); | ||
|
|
||
| // clang-format off | ||
| auto &player_gauge = prometheus::BuildGauge() | ||
| .Name("player_count") | ||
| .Help("Number of players connected") | ||
| .Register(*_registry); | ||
| // clang-format on | ||
| _player_global_gauge = &player_gauge.Add({{"dimension", "global"}}); | ||
| _player_overworld_gauge = &player_gauge.Add({{"dimension", "overworld"}}); | ||
| _player_nether_gauge = &player_gauge.Add({{"dimension", "nether"}}); | ||
| _player_end_gauge = &player_gauge.Add({{"dimension", "end"}}); | ||
|
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| _exposer.RegisterCollectable(_registry); | ||
|
|
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| _ready = true; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| #ifndef D5AEBC4C_6028_4506_86F2_DA6261F54832 | ||
| #define D5AEBC4C_6028_4506_86F2_DA6261F54832 | ||
|
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| #include <memory> | ||
| #include <string> | ||
|
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| #include "prometheus/counter.h" | ||
| #include "prometheus/exposer.h" | ||
| #include "prometheus/registry.h" | ||
|
|
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| class PrometheusExporter { | ||
| public: | ||
| PrometheusExporter(const std::string &bind); | ||
| void registerMetrics(); | ||
| void incrementPacketRxCounter() | ||
| { | ||
| if (_ready) | ||
| _packet_rx_counter->Increment(); | ||
| } | ||
| void incrementPacketTxCounter() | ||
| { | ||
| if (_ready) | ||
| _packet_tx_counter->Increment(); | ||
| } | ||
| void setPlayerCountGlobal(size_t n) | ||
| { | ||
| if (_ready) | ||
| _player_global_gauge->Set(n); | ||
| } | ||
| void setPlayerCountOverworld(size_t n) | ||
| { | ||
| if (_ready) | ||
| _player_overworld_gauge->Set(n); | ||
| } | ||
| void setPlayerCountNether(size_t n) | ||
| { | ||
| if (_ready) | ||
| _player_nether_gauge->Set(n); | ||
| } | ||
| void setPlayerCountEnd(size_t n) | ||
| { | ||
| if (_ready) | ||
| _player_end_gauge->Set(n); | ||
| } | ||
| void incrementPlayerCountGlobal() | ||
| { | ||
| if (_ready) | ||
| _player_global_gauge->Increment(); | ||
| } | ||
| void incrementPlayerCountOverworld() | ||
| { | ||
| if (_ready) | ||
| _player_overworld_gauge->Increment(); | ||
| } | ||
| void incrementPlayerCountNether() | ||
| { | ||
| if (_ready) | ||
| _player_nether_gauge->Increment(); | ||
| } | ||
| void incrementPlayerCountEnd() | ||
| { | ||
| if (_ready) | ||
| _player_end_gauge->Increment(); | ||
| } | ||
| void decrementPlayerCountGlobal() | ||
| { | ||
| if (_ready) | ||
| _player_global_gauge->Decrement(); | ||
| } | ||
| void decrementPlayerCountOverworld() | ||
| { | ||
| if (_ready) | ||
| _player_overworld_gauge->Decrement(); | ||
| } | ||
| void decrementPlayerCountNether() | ||
| { | ||
| if (_ready) | ||
| _player_nether_gauge->Decrement(); | ||
| } | ||
| void decrementPlayerCountEnd() | ||
| { | ||
| if (_ready) | ||
| _player_end_gauge->Decrement(); | ||
| } | ||
|
|
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| private: | ||
| prometheus::Exposer _exposer; | ||
| std::shared_ptr<prometheus::Registry> _registry; | ||
|
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| prometheus::Counter *_packet_tx_counter; | ||
| prometheus::Counter *_packet_rx_counter; | ||
|
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| prometheus::Info *_version_info; // This is not dynamic yet, but it can be in the future | ||
|
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| prometheus::Gauge *_player_global_gauge; | ||
| prometheus::Gauge *_player_overworld_gauge; | ||
| prometheus::Gauge *_player_nether_gauge; | ||
| prometheus::Gauge *_player_end_gauge; | ||
|
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| std::atomic<bool> _ready; | ||
| }; | ||
|
|
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| #endif /* D5AEBC4C_6028_4506_86F2_DA6261F54832 */ |
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