fs::path log_file_path

)

: line_format_{

monitoring::recordKeys().path,

monitoring::recordKeys().value,

monitoring::recordKeys().timestamp,

monitoring::recordKeys().sync,

}

, separator_{'\t'}

, log_file_path_(

std::move(log_file_path)

)

{

std::string& line, const PluginRequest& request) const {

for (const auto& key : line_format_) {

auto it = request.find(key);

if (it == request.end()) {

return Status(1, "Missing mandatory request field " + key);

}

line.append(it->second).push_back(separator_);

}

// remove last separator

line.pop_back();

return Status();

PluginResponse& response) {

if (!isSetUp()) {

return Status(1, "NumericMonitoringFilesystemPlugin is not set up");

}

auto line = std::string{};

auto status = formTheLine(line, request);

if (status.ok()) {

std::unique_lock<std::mutex> lock(output_file_mutex_);

output_file_stream_ << line << std::endl;

}

return status;

output_file_stream_.open(log_file_path_.native(),

std::ios::out | std::ios::app | std::ios::binary);

if (!output_file_stream_.is_open()) {

return Status(

1,

boost::str(boost::format(

"Could not open file %s for numeric monitoring logs") %

log_file_path_));

}

return Status();