40 lines
993 B
C++
40 lines
993 B
C++
//
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// Created by Мустафаев Селим Мустафаевич on 01.01.2024.
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//
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#include "DnsmasqSource.h"
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#include <exception>
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#include <sstream>
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#include <iostream>
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#include <ranges>
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#include <array>
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#include <algorithm>
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namespace views = std::ranges::views;
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DnsmasqSource::DnsmasqSource() {
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_leases.open("/var/lib/misc/dnsmasq.leases");
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if(_leases.fail()) {
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throw std::runtime_error("failed to open leases file");
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}
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}
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std::vector<prometheus::Labels> DnsmasqSource::readLeases() {
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_leases.clear();
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_leases.seekg(0);
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std::string line;
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std::vector<prometheus::Labels> result;
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auto labels = std::array{ "time", "mac", "ip", "host", "id" };
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while(std::getline(_leases, line)) {
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prometheus::Labels lineMap;
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for(const auto [index, item]: std::views::split(line, ' ') | views::enumerate) {
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lineMap[labels[index]] = std::string_view(item);
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}
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result.push_back(lineMap);
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}
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return result;
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}
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