#include <daemon/GraphiteWriter.h>
#include <daemon/BaseDaemon.h>
#include <Poco/Util/LayeredConfiguration.h>
#include <Poco/Util/Application.h>
#include <DB/Common/getFQDNOrHostName.h>

#include <mutex>
#include <iomanip>


GraphiteWriter::GraphiteWriter(const std::string & config_name, const std::string & sub_path)
{
    Poco::Util::LayeredConfiguration & config = Poco::Util::Application::instance().config();
    port = config.getInt(config_name + ".port", 42000);
    host = config.getString(config_name + ".host", "localhost");
    timeout = config.getDouble(config_name + ".timeout", 0.1);

    root_path = config.getString(config_name + ".root_path", "one_min");
    if (!root_path.empty())
        root_path += ".";

    std::string hostname_in_path = getFQDNOrHostName();

    /// Заменяем точки на подчёркивания, чтобы Graphite не интерпретировал их, как разделители пути.
    std::replace(std::begin(hostname_in_path), std::end(hostname_in_path), '.', '_');

    root_path += hostname_in_path;

    if (sub_path.size())
        root_path += "." + sub_path;
}


std::string GraphiteWriter::getPerServerPath(const std::string & server_name, const std::string & root_path)
{
    std::string path = root_path + "." + server_name;
    std::replace(path.begin() + root_path.size() + 1, path.end(), '.', '_');
    return path;
}