Method: Roby::Application#find_and_create_log_dir

Defined in:
lib/roby/app.rb

#find_and_create_log_dir(time_tag = self.time_tag) ⇒ String

Create a log directory for the given time tag, and make it this app’s log directory

The time tag given to this method also becomes the app’s time tag

Parameters:

  • time_tag (String) (defaults to: self.time_tag)

Returns:

  • (String) —

    the path to the log directory



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# File 'lib/roby/app.rb', line 1553

def find_and_create_log_dir(time_tag = self.time_tag)
    base_dir  = log_base_dir
    @time_tag = time_tag

    loop do
        log_dir  = Roby::Application.unique_dirname(base_dir, "", time_tag)
        new_dirs = []

        dir = log_dir
        until File.directory?(dir)
            new_dirs << dir
            dir = File.dirname(dir)
        end

        # Create all paths necessary, but check for possible concurrency
        # issues with other Roby-based tools creating a log dir with the
        # same name
        failed = new_dirs.reverse.any? do |path_element|
            begin
                FileUtils.mkdir(path_element)
                false
            rescue Errno::EEXIST
                true
            end
        end

        unless failed
            new_dirs.delete(log_dir)
            created_log_dirs << log_dir
            created_log_base_dirs.concat(new_dirs)
            @log_dir = log_dir
            log_save_metadata
            return log_dir
        end
    end
end