45 def run_server(host, port, daemon, file, queue_size, threshold, drift):  argument
51     timeout_interval = threshold * 2
57         drift = check_heartbeat(heartbeat, local_timestamp, threshold, check_drift)
61         if local_timestamp - prev_check_timestamp > threshold * 2.0:
62             check_for_timeouts(threshold, check_drift)
92 def check_heartbeat(heartbeat, local_timestamp, threshold, check_drift):  argument
97         if delta > threshold:
112 def check_for_timeouts(threshold, check_drift):  argument
118         if delta > threshold * 2:
149 threshold = 10 # seconds late till alert  variable
186         threshold = int(value)  variable
202     run_server(host_address, host_port, is_daemon, file_server, queue_size, threshold, check_drift)