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path: root/Demo/scripts/ftpstats.py
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#! /usr/local/bin/python

# Extract statistics from ftp daemon log.

# Usage:
# ftpstats [-m maxitems] [-s search] [file]
# -m maxitems: restrict number of items in "top-N" lists, default 25.
# -s string:   restrict statistics to lines containing this string.
# Default file is /usr/adm/ftpd;  a "-" means read stdandard input.

# The script must be run on the host where the ftp daemon runs.
# (At CWI this is currently buizerd.)

import os
import sys
import regex
import string
import getopt

pat = '^\([a-zA-Z0-9 :]*\)!\(.*\)!\(.*\)!\([<>].*\)!\([0-9]+\)!\([0-9]+\)$'
prog = regex.compile(pat)

def main():
	maxitems = 25
	search = None
	try:
		opts, args = getopt.getopt(sys.argv[1:], 'm:s:')
	except getopt.error, msg:
		print msg
		print 'usage: ftpstats [-m maxitems] [file]'
		sys.exit(2)
	for o, a in opts:
		if o == '-m':
			maxitems = string.atoi(a)
		if o == '-s':
			search = a
	file = '/usr/adm/ftpd'
	if args: file = args[0]
	if file == '-':
		f = sys.stdin
	else:
		try:
			f = open(file, 'r')
		except IOError, msg:
			print file, ':', msg
			sys.exit(1)
	bydate = {}
	bytime = {}
	byfile = {}
	bydir = {}
	byhost = {}
	byuser = {}
	bytype = {}
	lineno = 0
	try:
	    while 1:
		line = f.readline()
		if not line: break
		lineno = lineno + 1
		if search and string.find(line, search) < 0:
			continue
		if prog.match(line) < 0:
			print 'Bad line', lineno, ':', `line`
			continue
		items = prog.group(1, 2, 3, 4, 5, 6)
		logtime, loguser, loghost, logfile, logbytes, logxxx2 = items
##		print logtime
##		print '-->', loguser
##		print '--> -->', loghost
##		print '--> --> -->', logfile
##		print '--> --> --> -->', logbytes
##		print '--> --> --> --> -->', logxxx2
##		for i in logtime, loghost, logbytes, logxxx2:
##			if '!' in i: print '???', i
		add(bydate, logtime[-4:] + ' ' + logtime[:6], items)
		add(bytime, logtime[7:9] + ':00-59', items)
		direction, logfile = logfile[0], logfile[1:]
		# The real path probably starts at the last //...
		while 1:
			i = string.find(logfile, '//')
			if i < 0: break
			logfile = logfile[i+1:]
		add(byfile, logfile + ' ' + direction, items)
		logdir = os.path.dirname(logfile)
##		logdir = os.path.normpath(logdir) + '/.'
		while 1:
			add(bydir, logdir + ' ' + direction, items)
			dirhead = os.path.dirname(logdir)
			if dirhead == logdir: break
			logdir = dirhead
		add(byhost, loghost, items)
		add(byuser, loguser, items)
		add(bytype, direction, items)
	except KeyboardInterrupt:
		print 'Interrupted at line', lineno
	show(bytype, 'by transfer direction', maxitems)
	show(bydir, 'by directory', maxitems)
	show(byfile, 'by file', maxitems)
	show(byhost, 'by host', maxitems)
	show(byuser, 'by user', maxitems)
	showbar(bydate, 'by date')
	showbar(bytime, 'by time of day')

def showbar(dict, title):
	n = len(title)
	print '='*((70-n)/2), title, '='*((71-n)/2)
	list = []
	keys = dict.keys()
	keys.sort()
	for key in keys:
		n = len(str(key))
		list.append((len(dict[key]), key))
	maxkeylength = 0
	maxcount = 0
	for count, key in list:
		maxkeylength = max(maxkeylength, len(key))
		maxcount = max(maxcount, count)
	maxbarlength = 72 - maxkeylength - 7
	for count, key in list:
		barlength = int(round(maxbarlength*float(count)/maxcount))
		bar = '*'*barlength
		print '%5d %-*s %s' % (count, maxkeylength, key, bar)

def show(dict, title, maxitems):
	if len(dict) > maxitems:
		title = title + ' (first %d)'%maxitems
	n = len(title)
	print '='*((70-n)/2), title, '='*((71-n)/2)
	list = []
	keys = dict.keys()
	for key in keys:
		list.append((-len(dict[key]), key))
	list.sort()
	for count, key in list[:maxitems]:
		print '%5d %s' % (-count, key)

def add(dict, key, item):
	if dict.has_key(key):
		dict[key].append(item)
	else:
		dict[key] = [item]

main()