From 022eb229ee2822e406c0b68facdc1eda96566f5d Mon Sep 17 00:00:00 2001
From: Selim Mustafaev <selim@fastmail.fm>
Date: Sun, 31 Dec 2023 21:26:46 +0300
Subject: [PATCH] Add some prometheus code

---
 CMakeLists.txt |  2 +-
 main.cpp       | 23 ++++++++++++++++++++++-
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ffc8ec..508e39d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.28)
+cmake_minimum_required(VERSION 3.27)
 project(aliencat_exporter)
 
 set(CMAKE_CXX_STANDARD 20)
diff --git a/main.cpp b/main.cpp
index bc8f460..63fb10e 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,6 +1,27 @@
 #include <iostream>
+#include <chrono>
+#include <thread>
+
+#include <prometheus/exposer.h>
+#include <prometheus/registry.h>
+#include <prometheus/counter.h>
 
 int main() {
-    std::cout << "Hello, World!" << std::endl;
+    prometheus::Exposer exposer{"127.0.0.1:9000"};
+    prometheus::Registry registry;
+
+    auto& gouge = prometheus::BuildGauge()
+            .Name("aliencat_dnsmasq_leases")
+            .Register(registry);
+
+    auto& counter = prometheus::BuildCounter()
+            .Name("aliencat_dnsmasq_leases")
+            .Register(registry);
+
+    for (;;) {
+        std::this_thread::sleep_for(std::chrono::seconds(1));
+        gouge.Add({"mac", ""}).Set(0);
+    }
+
     return 0;
 }