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return(self._db)
def check(self, site, ip_address):
return(self._check_stmt(site, ip_address))
# abstract class with basic checking functionality
class Checker:
__slots__ = frozenset(['_db', '_log', '_queue'])
__slots__ = frozenset(['_db', '_log'])
def __init__(self):
self._db = tagDB()
self._log = Logger()
def process(self, id, site, ip_address, url_path):
def process(self, id, site, ip_address, url_path, line = None):
self._log.info('trying {}\n'.format(site))
result = self._db.check(site, ip_address)
#reply = '{}://{}/{}'.format(req[4], req[1], req[3])
reply = '-'
for row in result:
if row != None and row[0] != None:
if row[1] != None:
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request = re.compile('^([0-9]+)\ (http|ftp):\/\/([-\w.:]+)\/([^ ]*)\ ([0-9.]+)\/(-|[\w\.]+)\ (-|\w+)\ (-|GET|HEAD|POST).*$').match(line)
if request:
id = request.group(1)
#proto = request.group(2)
site = request.group(3)
url_path = request.group(4)
ip_address = request.group(5)
self.insert(id, site, ip_address, url_path)
self.process(id, site, ip_address, url_path, line)
self._log.info('request {} queued ({})\n'.format(id, line))
def insert(self, id, site, ip_address, url_path):
self._queue.append((id, site, ip_address, url_path))
__slots__ = frozenset(['_lock', '_lock_queue'])
__slots__ = frozenset(['_lock', '_lock_exit', '_lock_queue', '_queue'])
def __init__(self):
# basic initialisation
Checker.__init__(self)
# Spin lock. Loop acquires it on start then releases it when holding queue
# lock. This way the thread proceeds without stops while queue has data and
# gets stalled when no data present. The lock is released by queue writer
# after storing something into the queue
self._lock = _thread.allocate_lock()
self._lock_exit = _thread.allocate_lock()
self._lock_queue = _thread.allocate_lock()
self._lock.acquire()
self._queue = []
_thread.start_new_thread(self._start, ())
def _start(self):
while True:
self._lock.acquire()
self._lock_queue.acquire()
# yes this should be written this way, and yes, this is why I hate threading
if len(self._queue) > 1 and self._lock.locked():
self._lock.release()
req = self._queue.pop(0)
self._lock_queue.release()
self.process(req[0], req[1], req[2], req[3])
with self._lock_queue:
# yes this should be written this way, and yes, this is why I hate threading
if len(self._queue) > 1:
if self._lock.locked():
self._lock.release()
req = self._queue.pop(0)
Checker.process(self, req[0], req[1], req[2], req[3])
with self._lock_queue:
if len(self._queue) == 0:
if self._lock_exit.locked():
self._lock_exit.release()
def insert(self, id, site, ip_address, url_path):
self._lock_queue.acquire()
Checker.insert(self, id, site, ip_address, url_path)
if self._lock.locked():
self._lock.release()
self._lock_queue.release()
def process(self, id, site, ip_address, url_path, line):
with self._lock_queue:
self._queue.append((id, site, ip_address, url_path))
self._log.info('request {} queued ({})\n'.format(id, line))
if not self._lock_exit.locked():
self._lock_exit.acquire()
if self._lock.locked():
self._lock.release()
def loop(self):
while True:
line = sys.stdin.readline()
if len(line) == 0:
break
self.check(line)
self._lock_exit.acquire()
# kqueue enable class for BSD's XXX broken for now
class CheckerKqueue(Checker):
__slots__ = frozenset(['_kq', '_select', '_queue'])
def __init__(self):
# basic initialisation
Checker.__init__(self)
# importing select module
import select
self._select = select
# kreating kqueue
self._kq = self._select.kqueue()
assert (self._kq.fileno() != -1)
# watching sys.stdin for data
self._kq.control([self._select.kevent(sys.stdin, self._select.KQ_FILTER_READ, self._select.KQ_EV_ADD)], 0)
# creating data queue
self._queue = []
def loop(self):
# Wait for data by default
timeout = None
while True:
# checking if there is any data
kevs = self._kq.control(None, 1, timeout)
if len(kevs) > 0:
#kev = kevs[0]
# XXX add some code to read only known data size and check for newlines
line = sys.stdin.readline()
# add data to the queue
self.check(line)
# don't wait for data, start processing
timeout = 0
else:
req = self._queue.pop(0)
Checker.process(self, req[0], req[1], req[2], req[3])
if len(self._queue) == 0:
# wait for data - we have nothing to process
timeout = None
def process(self, id, site, ip_address, url_path, line):
self._queue.append((id, site, ip_address, url_path))
self._log.info('request {} queued ({})\n'.format(id, line))
# this classes processes config file and substitutes default values
class Config:
__slots__ = frozenset(['_config', '_default', '_section'])
_default = {
'reactor': {
'reactor': 'thread',
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