fcntl.flock(sock, fcntl.LOCK_EX)
    try:
        sock.send(command + "\n")
        answer = ""
        while not answer.endswith("(qemu) "):
            chunk = sock.recv(1024)
            if chunk == '':
                raise IOError("Unexpected EOF From monitor")
                raise IOError("Unexpected EOF from monitor")
            answer += chunk
    finally:
        fcntl.flock(sock, fcntl.LOCK_UN)
    return answer

def spiceurl(sock):
    """ Returns spice URI for given (as set of parsed args) VM """

    answer = send_command(sock, "info block")
    return re.search(": /tmp", answer) is not None

def read_netinfo(filename):
    """ Reads network information from start script """
    with open(filename,"r") as f:
       for line in f:
          match=re.search("-net nic,macaddr=(\\S+) -net ([^,]+)",line)
          match=re.search("-net nic,macaddr=(\\S+) -net ([^, ]+)",line)
          if match:
              f={"mac":match.group(1)}
              if match.group(2) == "user":
                   f["iface"]="user"
              elif match.group(2) == "bridge":
                   f["iface"]=re.search("br=(\\S+)",line).group(1)
              else:

        os.system((config.get('tools', 'viewer') + "&") % uri)
    elif not options.stopped:
        print >>sys.stderr, "VM already running"

def cmd_stop(options):
    """ vws stop """
    if snapshot_mode(options.sock) or options.hard:
        try:
        print send_command(options.sock, 'quit')
           send_command(options.sock, 'quit')
        except IOError as e:
           # Expect IOError here
           if e.message.find("EOF from monitor"):
                print "monitor socket closed"
           else:
                raise e
    else:
        print send_command(options.sock, 'system_powerdown')

def cmd_monitor(options):
    """ vws monitor """
    try:
        print "(qemu) ",