report_count.py

import sys

from datetime import datetime, timedelta
from syslog import syslog

five_sec = timedelta(seconds=5)
last = datetime.now()
count = 0
while True:
    try:
        data = sys.stdin.readline()
        now = datetime.now()
        count += 1
        if last + five_sec <= now:
            print '%s count=%d' % (now, count)
            syslog('[counter] count=%d' % count)
            count = 0
            last = now
    except KeyboardInterrupt:
        break