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package("prometheus-cpp")
set_homepage("https://github.com/jupp0r/prometheus-cpp")
set_description("Prometheus Client Library for Modern C++")
set_license("MIT")
add_urls("https://github.com/jupp0r/prometheus-cpp/archive/refs/tags/$(version).tar.gz",
"https://github.com/jupp0r/prometheus-cpp.git")
add_versions("v1.3.0", "ac6e958405a29fbbea9db70b00fa3c420e16ad32e1baf941ab233ba031dd72ee")
add_versions("v1.2.4", "48dbad454d314b836cc667ec4def93ec4a6e4255fc8387c20cacb3b8b6faee30")
add_versions("v1.2.1", "190734c4d8d0644c2af327ff8b5ef86cd7ea9074a48d777112394f558dd014f7")
add_versions("v1.0.0", "07018db604ea3e61f5078583e87c80932ea10c300d979061490ee1b7dc8e3a41")
add_configs("pull", {description = "Enable Pull.", default = true, type = "boolean"})
add_configs("push", {description = "Enable push.", default = true, type = "boolean"})
add_configs("compression", {description = "Enable compression.", default = true, type = "boolean"})
add_deps("cmake")
if is_plat("linux") then
add_syslinks("pthread")
end
on_load("linux", function (package)
if package:config("pull") then
package:add("deps", "civetweb v1.15")
package:add("links", "prometheus-cpp-pull")
end
if package:config("push") then
package:add("deps", "libcurl")
package:add("links", "prometheus-cpp-push")
end
if package:config("compression") then
package:add("deps", "zlib")
end
package:add("links", "prometheus-cpp-core")
end)
on_install("linux", function (package)
local configs = {}
for name, enabled in pairs(package:configs()) do
if not package:extraconf("configs", name, "builtin") then
table.insert(configs, "-DENABLE_" .. name:upper() .. "=" .. (enabled and "ON" or "OFF"))
end
end
table.insert(configs, "-DGENERATE_PKGCONFIG=ON")
table.insert(configs, "-DENABLE_TESTING=OFF")
table.insert(configs, "-DUSE_THIRDPARTY_LIBRARIES=OFF")
table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
import("package.tools.cmake").install(package, configs)
end)
on_test("linux", function (package)
assert(package:has_cxxincludes("prometheus/counter.h"))
if package:config("pull") then
assert(package:has_cxxincludes("prometheus/exposer.h"))
assert(package:check_cxxsnippets({test = [[
#include <array>
#include <chrono>
#include <cstdlib>
#include <memory>
#include <string>
#include <thread>
void test() {
using namespace prometheus;
Exposer exposer{"127.0.0.1:8080"};
auto registry = std::make_shared<Registry>();
auto& packet_counter = BuildCounter()
.Name("observed_packets_total")
.Help("Number of observed packets")
.Register(*registry);
auto& tcp_rx_counter = packet_counter.Add({{"protocol", "tcp"}, {"direction", "rx"}});
auto& tcp_tx_counter = packet_counter.Add({{"protocol", "tcp"}, {"direction", "tx"}});
auto& udp_rx_counter = packet_counter.Add({{"protocol", "udp"}, {"direction", "rx"}});
auto& udp_tx_counter = packet_counter.Add({{"protocol", "udp"}, {"direction", "tx"}});
auto& http_requests_counter = BuildCounter()
.Name("http_requests_total")
.Help("Number of HTTP requests")
.Register(*registry);
exposer.RegisterCollectable(registry);
for (int i = 0; i < 30; i++) {
std::this_thread::sleep_for(std::chrono::seconds(1));
const auto random_value = std::rand();
if (random_value & 1) tcp_rx_counter.Increment();
if (random_value & 2) tcp_tx_counter.Increment();
if (random_value & 4) udp_rx_counter.Increment();
if (random_value & 8) udp_tx_counter.Increment();
const std::array<std::string, 4> methods = {"GET", "PUT", "POST", "HEAD"};
auto method = methods.at(random_value % methods.size());
http_requests_counter.Add({{"method", method}}).Increment();
}
}
]]}, {configs = {languages = "cxx11"}, includes = {"prometheus/counter.h", "prometheus/exposer.h", "prometheus/registry.h"}}))
end
if package:config("push") then
assert(package:has_cxxincludes("prometheus/gateway.h"))
end
end)