class MiGA::Daemon

def next_host

In any other daemons, returns true as long as #maxjobs is not reached
In SSH daemons, retrieve the host index of an available node, nil if none.
# 
def next_host
  return jobs_running.size < maxjobs if runopts(:type) != 'ssh'
  allk = (0..nodelist.size - 1).to_a
  busyk = jobs_running.map { |k| k[:hostk] }
  (allk - busyk).first
end