Start using classes

This commit is contained in:
Gregory Soutade 2014-11-21 14:46:12 +01:00
parent 7dada493ab
commit c3c201fda1
1 changed files with 319 additions and 326 deletions

303
iwla.py
View File

@ -10,94 +10,89 @@ import gzip
from display import *
# Default configuration
DB_ROOT = './output/'
DISPLAY_ROOT = './output/'
log_format = '$server_name:$server_port $remote_addr - $remote_user [$time_local] ' +\
'"$request" $status $body_bytes_sent ' +\
'"$http_referer" "$http_user_agent"'
time_format = '%d/%b/%Y:%H:%M:%S +0100'
pre_analysis_hooks = []
post_analysis_hooks = []
display_hooks = []
from default_conf import *
from conf import *
print '==> Start'
class IWLA(object):
meta_visit = {}
analyse_started = False
current_visits = {}
cache_plugins = {}
display = {}
ANALYSIS_CLASS = 'HTTP'
API_VERSION = 1
log_format_extracted = re.sub(r'([^\$\w])', r'\\\g<1>', log_format)
log_format_extracted = re.sub(r'\$(\w+)', '(?P<\g<1>>.+)', log_format_extracted)
http_request_extracted = re.compile(r'(?P<http_method>\S+) (?P<http_uri>\S+) (?P<http_version>\S+)')
def __init__(self):
print '==> Start'
log_re = re.compile(log_format_extracted)
uri_re = re.compile(r'(?P<extract_uri>[^\?]*)[\?(?P<extract_parameters>.*)]?')
pages_extensions = ['/', 'html', 'xhtml', 'py', 'pl', 'rb', 'php']
viewed_http_codes = [200]
self.meta_infos = {}
self.analyse_started = False
self.current_analysis = {}
self.cache_plugins = {}
self.display = {}
self.valid_visitors = None
HOOKS_ROOT = './plugins/'
PRE_HOOK_DIRECTORY = HOOKS_ROOT + 'pre_analysis/'
POST_HOOK_DIRECTORY = HOOKS_ROOT + 'post_analysis/'
DISPLAY_HOOK_DIRECTORY = HOOKS_ROOT + 'display/'
META_PATH = DB_ROOT + 'meta.db'
DB_FILENAME = 'iwla.db'
self.log_format_extracted = re.sub(r'([^\$\w])', r'\\\g<1>', log_format)
self.log_format_extracted = re.sub(r'\$(\w+)', '(?P<\g<1>>.+)', self.log_format_extracted)
self.http_request_extracted = re.compile(r'(?P<http_method>\S+) (?P<http_uri>\S+) (?P<http_version>\S+)')
self.log_re = re.compile(self.log_format_extracted)
self.uri_re = re.compile(r'(?P<extract_uri>[^\?]*)[\?(?P<extract_parameters>.*)]?')
self.plugins = {PRE_HOOK_DIRECTORY : pre_analysis_hooks,
POST_HOOK_DIRECTORY : post_analysis_hooks,
DISPLAY_HOOK_DIRECTORY : display_hooks}
plugins = {PRE_HOOK_DIRECTORY : pre_analysis_hooks, POST_HOOK_DIRECTORY : post_analysis_hooks, DISPLAY_HOOK_DIRECTORY : display_hooks}
ANALYSIS_CLASS = 'HTTP'
API_VERSION = 1
def preloadPlugins():
def _preloadPlugins(self):
ret = True
for root in plugins.keys():
for plugin_name in plugins[root]:
for root in self.plugins.keys():
for plugin_name in self.plugins[root]:
p = root + '/' + plugin_name
try:
fp, pathname, description = imp.find_module(plugin_name, [root])
cache_plugins[p] = imp.load_module(plugin_name, fp, pathname, description)
#cache_plugins[p] = imp.load_module(p,None,p,("py","r",imp.PKG_DIRECTORY))
#cache_plugins[p] = imp.load_source(p, p)
mod = cache_plugins[p]
#print dir(mod)
#print "Register %s -> %s" % (p, mod)
self.cache_plugins[p] = imp.load_module(plugin_name, fp, pathname, description)
mod = self.cache_plugins[p]
infos = mod.get_plugins_infos()
if infos['class'] != ANALYSIS_CLASS or \
API_VERSION < infos['min_version'] or\
(infos['max_version'] != -1 and (API_VERSION > infos['max_version'])):
del cache_plugins[p]
if infos['class'] != IWLA.ANALYSIS_CLASS or \
IWLA.API_VERSION < infos['min_version'] or\
(infos['max_version'] != -1 and (IWLA.API_VERSION > infos['max_version'])):
del self.cache_plugins[p]
elif not mod.load():
del cache_plugins[p]
del self.cache_plugins[p]
except Exception as e:
print 'Error loading \'%s\' => %s' % (p, e)
ret = False
return ret
def _clearVisits(self):
self.current_analysis = {
'days_stats' : {},
'month_stats' : {},
'visits' : {}
}
self.valid_visitors = None
return self.current_analysis
def createEmptyVisits():
visits = {'days_stats' : {}, 'month_stats' : {}, 'visits' : {}}
return visits
def getDaysStats(self):
return self.current_analysis['days_stats']
def createEmptyMeta():
meta = {'last_time' : None}
return meta
def getMonthStatsStats(self):
return self.current_analysis['month_stats']
def createEmptyDisplay():
display = {}
return display
def getCurrentVisists(self):
return self.current_analysis['visits']
def getDBFilename(time):
def getValidVisitors(self):
return self.current_analysis['visits']
def _clearMeta(self):
self.meta_infos = {
'last_time' : None
}
return self.meta_infos
def _clearDisplay(self):
self.display = {}
return self.display
def getDBFilename(self, time):
return (DB_ROOT + '%d/%d_%s') % (time.tm_year, time.tm_mon, DB_FILENAME)
def serialize(obj, filename):
def _serialize(self, obj, filename):
base = os.path.dirname(filename)
if not os.path.exists(base):
os.makedirs(base)
@ -112,7 +107,7 @@ def serialize(obj, filename):
fzip.write(f.read())
os.remove(filename + '.tmp')
def deserialize(filename):
def _deserialize(self, filename):
if not os.path.exists(filename):
return None
@ -120,31 +115,31 @@ def deserialize(filename):
return pickle.load(f)
return None
def callPlugins(root, *args):
def _callPlugins(self, root, *args):
print '==> Call plugins (%s)' % root
for p in plugins[root]:
for p in self.plugins[root]:
print '\t%s' % (p)
mod = cache_plugins[root + '/' + p]
mod = self.cache_plugins[root + '/' + p]
mod.hook(*args)
def isPage(request):
def isPage(self, request):
for e in pages_extensions:
if request.endswith(e):
return True
return False
def appendHit(hit):
def _appendHit(self, hit):
remote_addr = hit['remote_addr']
if not remote_addr in current_visits['visits'].keys():
createUser(hit)
if not remote_addr in self.current_analysis['visits'].keys():
self._createUser(hit)
return
super_hit = current_visits['visits'][remote_addr]
super_hit = self.current_analysis['visits'][remote_addr]
super_hit['requests'].append(hit)
super_hit['bandwidth'] += int(hit['body_bytes_sent'])
super_hit['last_access'] = meta_visit['last_time']
super_hit['last_access'] = self.meta_infos['last_time']
request = hit['extract_request']
@ -153,7 +148,7 @@ def appendHit(hit):
else:
uri = request['http_uri']
hit['is_page'] = isPage(uri)
hit['is_page'] = self.isPage(uri)
# Don't count 3xx status
status = int(hit['status'])
@ -172,28 +167,28 @@ def appendHit(hit):
else:
super_hit[hit_key] += 1
def createUser(hit):
super_hit = current_visits['visits'][hit['remote_addr']] = {}
def _createUser(self, hit):
super_hit = self.current_analysis['visits'][hit['remote_addr']] = {}
super_hit['remote_addr'] = hit['remote_addr']
super_hit['viewed_pages'] = 0
super_hit['viewed_hits'] = 0
super_hit['not_viewed_pages'] = 0
super_hit['not_viewed_hits'] = 0
super_hit['bandwidth'] = 0
super_hit['last_access'] = meta_visit['last_time']
super_hit['last_access'] = self.meta_infos['last_time']
super_hit['requests'] = []
super_hit['robot'] = False
super_hit['hit_only'] = 0
appendHit(hit)
self._appendHit(hit)
def decodeHTTPRequest(hit):
def _decodeHTTPRequest(self, hit):
if not 'request' in hit.keys(): return False
groups = http_request_extracted.match(hit['request'])
groups = self.http_request_extracted.match(hit['request'])
if groups:
hit['extract_request'] = groups.groupdict()
uri_groups = uri_re.match(hit['extract_request']['http_uri'])
uri_groups = self.uri_re.match(hit['extract_request']['http_uri'])
if uri_groups:
d = uri_groups.groupdict()
hit['extract_request']['extract_uri'] = d['extract_uri']
@ -203,41 +198,39 @@ def decodeHTTPRequest(hit):
print "Bad request extraction " + hit['request']
return False
referer_groups = uri_re.match(hit['http_referer'])
referer_groups = self.uri_re.match(hit['http_referer'])
if referer_groups:
referer = hit['extract_referer'] = referer_groups.groupdict()
return True
def decodeTime(hit):
t = hit['time_local']
def _decodeTime(self, hit):
hit['time_decoded'] = time.strptime(hit['time_local'], time_format)
hit['time_decoded'] = time.strptime(t, time_format)
def getDisplayIndex():
cur_time = meta_visit['last_time']
def getDisplayIndex(self):
cur_time = self.meta_infos['last_time']
filename = '%d/index_%d.html' % (cur_time.tm_year, cur_time.tm_mon)
return display.get(filename, None)
return self.display.get(filename, None)
def generateDisplayDaysStat():
cur_time = meta_visit['last_time']
def _generateDisplayDaysStat(self):
cur_time = self.meta_infos['last_time']
title = 'Stats %d/%d' % (cur_time.tm_mon, cur_time.tm_year)
filename = '%d/index_%d.html' % (cur_time.tm_year, cur_time.tm_mon)
page = createPage(display, filename, title)
page = createPage(self.display, filename, title)
days = createTable('By day', ['Day', 'Visits', 'Pages', 'Hits', 'Bandwidth', 'Robot Bandwidth'])
keys = current_visits['days_stats'].keys()
keys = self.current_analysis['days_stats'].keys()
keys.sort()
nb_visits = 0
for k in keys:
stats = current_visits['days_stats'][k]
stats = self.current_analysis['days_stats'][k]
row = [k, stats['nb_visitors'], stats['viewed_pages'], stats['viewed_hits'], stats['viewed_bandwidth'], stats['not_viewed_bandwidth']]
row = map(lambda(v): str(v), row)
appendRowToTable(days, row)
nb_visits += stats['nb_visitors']
stats = current_visits['month_stats']
stats = self.current_analysis['month_stats']
nb_days = len(keys)
row = [0, nb_visits, stats['viewed_pages'], stats['viewed_hits'], stats['viewed_bandwidth'], stats['not_viewed_bandwidth']]
@ -254,12 +247,12 @@ def generateDisplayDaysStat():
appendRowToTable(days, row)
appendBlockToPage(page, days)
def generateDisplay():
generateDisplayDaysStat()
callPlugins(DISPLAY_HOOK_DIRECTORY, current_visits, display)
buildPages(DISPLAY_ROOT, display)
def _generateDisplay(self):
self._generateDisplayDaysStat()
self._callPlugins(DISPLAY_HOOK_DIRECTORY, self.current_analysis, self.display)
buildPages(DISPLAY_ROOT, self.display)
def generateStats(visits):
def _generateStats(self, visits):
stats = {}
stats['viewed_bandwidth'] = 0
stats['not_viewed_bandwidth'] = 0
@ -289,51 +282,51 @@ def generateStats(visits):
return stats
def generateMonthStats():
display = createEmptyDisplay()
def _generateMonthStats(self):
self._clearDisplay()
visits = current_visits['visits']
visits = self.current_analysis['visits']
stats = generateStats(visits)
stats = self._generateStats(visits)
cur_time = meta_visit['last_time']
cur_time = self.meta_infos['last_time']
print "== Stats for %d/%d ==" % (cur_time.tm_year, cur_time.tm_mon)
print stats
valid_visitors = {k: v for (k,v) in visits.items() if not visits[k]['robot']}
callPlugins(POST_HOOK_DIRECTORY, valid_visitors, stats)
self.valid_visitors = {k: v for (k,v) in visits.items() if not visits[k]['robot']}
self._callPlugins(POST_HOOK_DIRECTORY, valid_visitors, stats)
current_visits['month_stats'] = stats
self.current_analysis['month_stats'] = stats
path = getDBFilename(cur_time)
path = self.getDBFilename(cur_time)
if os.path.exists(path):
os.remove(path)
print "==> Serialize to %s" % path
serialize(current_visits, path)
self._serialize(self.current_analysis, path)
generateDisplay()
self._generateDisplay()
def generateDayStats():
visits = current_visits['visits']
def _generateDayStats(self):
visits = self.current_analysis['visits']
callPlugins(PRE_HOOK_DIRECTORY, visits)
self._callPlugins(PRE_HOOK_DIRECTORY, visits)
stats = generateStats(visits)
stats = self._generateStats(visits)
cur_time = meta_visit['last_time']
cur_time = self.meta_infos['last_time']
print "== Stats for %d/%d/%d ==" % (cur_time.tm_year, cur_time.tm_mon, cur_time.tm_mday)
if cur_time.tm_mday > 1:
last_day = cur_time.tm_mday - 1
while last_day:
if last_day in current_visits['days_stats'].keys():
if last_day in self.current_analysis['days_stats'].keys():
break
last_day -= 1
if last_day:
for k in stats.keys():
stats[k] -= current_visits['days_stats'][last_day][k]
stats[k] -= self.current_analysis['days_stats'][last_day][k]
stats['nb_visitors'] = 0
for k in visits.keys():
if visits[k]['robot']: continue
@ -341,71 +334,71 @@ def generateDayStats():
stats['nb_visitors'] += 1
print stats
current_visits['days_stats'][cur_time.tm_mday] = stats
self.current_analysis['days_stats'][cur_time.tm_mday] = stats
def newHit(hit):
global current_visits
global analyse_started
decodeTime(hit)
def _newHit(self, hit):
self._decodeTime(hit)
t = hit['time_decoded']
cur_time = meta_visit['last_time']
cur_time = self.meta_infos['last_time']
if cur_time == None:
current_visits = deserialize(getDBFilename(t)) or createEmptyVisits()
analyse_started = True
self.current_analysis = self._deserialize(self.getDBFilename(t)) or self._clearVisits()
self.analyse_started = True
else:
if not analyse_started:
if not self.analyse_started:
if time.mktime(cur_time) >= time.mktime(t):
return
else:
analyse_started = True
self.analyse_started = True
if cur_time.tm_mon != t.tm_mon:
generateMonthStats()
current_visits = deserialize(getDBFilename(t)) or createEmptyVisits()
self._generateMonthStats()
self.current_analysis = self._deserialize(self.getDBFilename(t)) or self._clearVisits()
elif cur_time.tm_mday != t.tm_mday:
generateDayStats()
self._generateDayStats()
meta_visit['last_time'] = t
self.meta_infos['last_time'] = t
if not decodeHTTPRequest(hit): return False
if not self._decodeHTTPRequest(hit): return False
for k in hit.keys():
if hit[k] == '-': hit[k] = ''
appendHit(hit)
self._appendHit(hit)
return True
preloadPlugins()
def start(self):
self._preloadPlugins()
print '==> Analysing log'
print '==> Analysing log'
meta_visit = deserialize(META_PATH) or createEmptyMeta()
if meta_visit['last_time']:
current_visits = deserialize(getDBFilename(meta_visit['last_time'])) or createEmptyVisits()
else:
current_visits = createEmptyVisits()
self.meta_infos = self._deserialize(META_PATH) or self._clearMeta()
if self.meta_infos['last_time']:
self.current_analysis = self._deserialize(self.getDBFilename(self.meta_infos['last_time'])) or self._clearVisits()
else:
self._clearVisits()
f = open(analyzed_filename)
for l in f:
with open(analyzed_filename) as f:
for l in f:
# print "line " + l
groups = log_re.match(l)
groups = self.log_re.match(l)
if groups:
if not newHit(groups.groupdict()):
if not self._newHit(groups.groupdict()):
break
else:
print "No match " + l
f.close()
print "No match for " + l
if analyse_started:
generateDayStats()
generateMonthStats()
serialize(meta_visit, META_PATH)
else:
if self.analyse_started:
self._generateDayStats()
self._generateMonthStats()
self._serialize(meta_infos, META_PATH)
else:
print '==> Analyse not started : nothing to do'
generateMonthStats()
self._generateMonthStats()
iwla = IWLA()
iwla.start()