class FilterController(FeedbackInterface, ExternalTempInterface):
"""
This Controller can be memory controlled since it implement FeedbackInterface
"""
def __init__(self,
db_ref: str,
db_dir: str,
input_queue: Queue,
output_queue: Queue,
stop_event: Event,
matrix: CrawlMatrix,
accounts: list,
force_mode=False,
force_mode_offset=0,
force_mode_total=0,
**kwargs):
FeedbackInterface.__init__(self, **kwargs)
self._stop_event = stop_event
self._matrix = matrix
self._db_ref = db_ref
self._input_queue = input_queue
self._output_queue = output_queue
self._pool_input = Queue()
self._pool = FilterPool(self._pool_input,
self._output_queue,
self._queue_lock,
self._stop_event,
self._matrix,
accounts=accounts)
self._db_buffer = ExternalTempDataDiskBuffer(
self._db_ref,
self,
self._stop_event,
dir_path=db_dir,
buf_size=2500,
output_f=5000) # control how data flow speed,
# it can keep input:output ratio = 1:1 at max 10 milion data row per hour
#FeedbackInterface.__init__(self, **kwargs)
ExternalTempInterface.__init__(self)
self._populate_with_state()
if force_mode:
new_state = _FilterState(progress=force_mode_offset,
all_data=force_mode_total)
self.populate_with_state(new_state)
@staticmethod
def get_input_parameters(db_ref: str, db_dir: str, input_queue: Queue,
output_queue: Queue, stop_event: Event,
matrix: CrawlMatrix, accounts: list,
force_mode: bool, force_mode_offset: int,
force_mode_total: int):
return {
"db_ref": db_ref,
"db_dir": db_dir,
"input_queue": input_queue,
"output_queue": output_queue,
"stop_event": stop_event,
"matrix": matrix,
"accounts": accounts,
"force_mode": force_mode,
"force_mode_offset": force_mode_offset,
"force_mode_total": force_mode_total,
}
def _sample_data_buffer_input(self):
while not self._stop_event.is_set():
data_list = []
# if isinstance(self._queue_lock, multiprocessing.RLock):
while not self._input_queue.empty():
#with self._queue_lock:
data = self._input_queue.get()
if isinstance(data, tuple) and len(data) == 2:
data_list.append(data)
if len(data_list) > 0:
self._db_buffer.append_to_buffer(data_list,
convert_tuple=False)
data_list.clear()
time.sleep(1)
def _sample_data_buffer_output(self):
for item in self._db_buffer:
if self._stop_event.is_set():
break
if isinstance(item, OnSiteLink):
self._pool_input.put(
FilteredDomainData(domain=item.link,
found=int(time.time())))
def begin_filtering(self):
self._start_sending_feedback()
self._db_buffer.start_input_output_cycle(
) # start input and output data to/from file
input_t = threading.Thread(target=self._sample_data_buffer_input)
output_t = threading.Thread(target=self._sample_data_buffer_output)
input_t.start() # start sampling data
output_t.start()
self._pool.start()
if self._pool.is_alive():
self._pool.join()
self._db_buffer.terminate()
if input_t.is_alive():
input_t.join()
if output_t.is_alive():
output_t.join()
self._end_sending_feedback()
def populate_with_state(self, state):
"""
FeedbackInterface, subclass implement this method to
:param state: the state from previous
:return:
"""
if isinstance(state, _FilterState):
self._pool.set_job_done(state.progress)
self._db_buffer.set_progress(state.progress)
def get_state(self):
"""
FeedbackInterface, subclass this so that the controller can gather state info, which in turn will feedback into next iteration
:return:
"""
return _FilterState(progress=self._pool.get_job_done(),
all_data=self._db_buffer.get_total_record())
def get_callback_data(self):
"""
FeedbackInterface, subclass this so that any callback data can be gathered by the controller
:return:
"""
return None
def is_programme_finshed(self):
"""
FeedbackInterface, indicate if the programme has finished execution, if not it goes to next iteration
:return:
"""
return self._stop_event.is_set()
def get_external_count_finished(self) -> int:
"""
ExternalTempInterface, get the number of job done in ExternalTempDataDiskBuffer
:return:
"""
return self._pool.get_job_done()
def set_internal_count(self, count: int):
"""
ExternalTempInterface, set the number of job done in ExternalTempDataDiskBuffer
:param count:
:return:
"""
self._pool.set_job_done(count)
class WhoisChecker(FeedbackInterface, ExternalTempInterface, ProgressLogInterface):
"""
usage:
checker = WhoisChecker(...)
checker.run_farm()
"""
def __init__(self, stop_event: Event, input_queue: Queue=None, output_queue: Queue=None,
max_worker: int=10, dir_path="", is_debug=False, **kwargs):
self._is_debug = is_debug
FeedbackInterface.__init__(self, **kwargs)
ExternalTempInterface.__init__(self)
# do not use predefined queue here
# self._input_q = input_queue
# self._output_q = output_queue
self._stop_event = stop_event
self._internal_stop_event = Event()
self._max_worker = max_worker
self._job_done = 0
self._job_done_shadow = 0
self._job_done_lock = RLock()
self._input_period = 0.0001 # time to sample data into the buffer
self._max_sample_results = 100000
self._min_sampling_duration = 0.0001
self._sample_batch_size = 5000
self._sample_batch_timeout = 60
if is_debug:
self._min_buff_delete_threshold = 10000 # default is 100000
else:
self._min_buff_delete_threshold = 100000
self._speed_penalty_count = 0
self._finished = False
manager, self._output_q = get_queue_client(QueueManager.MachineSettingCrawler, QueueManager.Method_Whois_Output)
self._db_buffer = ExternalTempDataDiskBuffer("whois_check.db", self, self._internal_stop_event, buf_size=self._max_worker*50,
terminate_callback=WhoisChecker.terminate_callback, dir_path=dir_path)
self._populate_with_state() # FeedbackInterface
if not is_debug:
log_period = 120
else:
log_period = 10
self._progress_logger = ProgressLogger(log_period, self, self._internal_stop_event)
@staticmethod
def terminate_callback():
ErrorLogger.log_error("WhoisChecker", StopIteration("terminated."))
@staticmethod
def get_input_parameters(input_queue: Queue, output_queue: Queue, stop_event: Event, max_worker: int=20) -> dict:
return {"input_queue": input_queue, "output_queue": output_queue, "stop_event": stop_event,
"max_worker": max_worker}
def get_job_done_count(self):
with self._job_done_lock:
job_done = self._job_done
return job_done
def _add_job_done_one(self):
with self._job_done_lock:
self._job_done += 1
def _put_output_result_in_queue(self, domain_data: OnSiteLink):
if not self._stop_event.is_set() or not self._internal_stop_event.is_set():
try:
self._output_q.put((domain_data.link, domain_data.response_code))
except Exception as inner_ex:
if self._output_q is None:
manager, self._output_q = get_queue_client(QueueManager.MachineSettingCrawler, QueueManager.Method_Whois_Output)
ErrorLogger.log_error("WhoisChecker", inner_ex, addtional="failed to put result in queue.")
time.sleep(0.01)
self._put_output_result_in_queue(domain_data)
def _check_whois_v1(self, domain_data: OnSiteLink):
root_domain = domain_data.link
try:
if root_domain.startswith("http"):
root_domain = LinkChecker.get_root_domain(domain_data.link)[1]
real_response_code = domain_data.response_code
whois = LinkChecker.check_whois(root_domain) # check whois record
if whois[0]:
if whois[2]: # domain is expired
real_response_code = ResponseCode.Expired
else:
real_response_code = ResponseCode.MightBeExpired
if real_response_code == ResponseCode.Expired:
#if ResponseCode.domain_might_be_expired(real_response_code):
domain_data.link = root_domain
domain_data.response_code = real_response_code
#return_obj = OnSiteLink(root_domain, real_response_code, domain_data.link_level, OnSiteLink.TypeOutbound)
# if isinstance(self._queue_lock, multiprocessing.RLock):
with self._queue_lock:
self._output_q.put((domain_data.link, domain_data.response_code))
except Exception as ex:
ErrorLogger.log_error("ExternalSiteChecker.WhoisChecker", ex, "_check_whois() " + root_domain)
finally:
self._add_job_done_one()
def _check_whois(self, domain_data: OnSiteLink):
root_domain = domain_data.link.lower()
try:
if not self._is_debug:
if root_domain.startswith("http"):
root_domain = LinkChecker.get_root_domain(domain_data.link)[1]
is_available, is_redemption = LinkChecker.is_domain_available_whois(root_domain) # check whois record
if is_available or is_redemption:
if is_available:
real_response_code = ResponseCode.Expired
else:
real_response_code = ResponseCode.MightBeExpired
domain_data.link = root_domain
domain_data.response_code = real_response_code
#return_obj = OnSiteLink(root_domain, real_response_code, domain_data.link_level, OnSiteLink.TypeOutbound)
self._put_output_result_in_queue(domain_data)
else:
self._put_output_result_in_queue(domain_data)
except Exception as ex:
ErrorLogger.log_error("ExternalSiteChecker.WhoisChecker", ex, "_check_whois() " + root_domain)
finally:
self._add_job_done_one()
def _check_whois_with_dns(self, page: OnSiteLink):
real_response_code = ResponseCode.DNSError
skip_whois_check = False
try:
if not self._is_debug:
root_result = LinkChecker.get_root_domain(page.link)
root_domain = root_result[1]
sub_domain = root_result[4]
suffix = root_result[5]
if len(sub_domain) == 0 or suffix not in TldUtility.TOP_TLD_LIST:
skip_whois_check = True
else:
if LinkChecker.is_domain_DNS_OK(sub_domain): # check DNS first
real_response_code = ResponseCode.NoDNSError
skip_whois_check = True
elif not sub_domain.startswith("www."):
if LinkChecker.is_domain_DNS_OK("www." + root_domain):
real_response_code = ResponseCode.NoDNSError
skip_whois_check = True
page.response_code = real_response_code
page.link_type = OnSiteLink.TypeOutbound
page.link = root_domain
except Exception as ex:
ErrorLogger.log_error("WhoisChecker", ex, "_check_whois_with_dns() " + page.link)
skip_whois_check = True
finally:
if not skip_whois_check and real_response_code == ResponseCode.DNSError:
self._check_whois(page)
else:
self._add_job_done_one()
def _sample_data(self):
ref_time = time.time()
manager, result_queue = get_queue_client(QueueManager.MachineSettingCrawler, QueueManager.Method_Whois_Input)
if result_queue is None:
ErrorLogger.log_error("ExternalSiteChecker.WhoisChecker._sample_data()", ValueError("result queue is None, cannot get data."))
if not (self._stop_event.is_set() or self._internal_stop_event.is_set()):
self._sample_data()
else:
while not (self._stop_event.is_set() or self._internal_stop_event.is_set()):
data_list = []
counter = 0
while not result_queue.empty():
data = None
try:
data = result_queue.get()
except Exception as ex:
ErrorLogger.log_error("WhoisChecker._sampling_data", ex)
if result_queue is None:
manager, result_queue = get_queue_client(QueueManager.MachineSettingCrawler,
QueueManager.Method_Whois_Input)
if isinstance(data, OnSiteLink):
counter += 1
data_list.append((data.link, data.response_code))
elif isinstance(data, tuple) and len(data) == 2:
#print("External Site checker: recieved:", data)
counter += 1
data_list.append(data)
if isinstance(data, list):
data_list += data
counter += 1
if counter >= self._sample_batch_size:
break
current_time = time.time()
if current_time - ref_time >= self._sample_batch_timeout:
break
time.sleep(self._min_sampling_duration)
ref_time = time.time()
if len(data_list) > 0:
#print("whois checker input data in db_buff: ", len(data_list))
self._db_buffer.append_to_buffer(data_list, convert_tuple=False)
data_list.clear()
else:
pass
time.sleep(self._input_period)
def sample_gen(self):
while not self._stop_event.is_set() or not self._internal_stop_event.is_set():
try:
if not self._db_buffer.reset_event.is_set():
for next_item in self._db_buffer:
time.sleep(0.0001)
return next_item
print("going to next cycle in sample_gen.")
time.sleep(1)
except Exception as ex:
print("sample_gen error:", ex)
def run_farm(self):
try:
self._start_sending_feedback()
input_t = threading.Thread(target=self._sample_data)
input_t.start() # start sampling data
self._progress_logger.start()
self._db_buffer.start_input_output_cycle() # start input and output data to/from file
pool = ThreadPool(processes=self._max_worker)
# pool.imap_unordered(self._check_whois_with_dns, self._db_buffer, chunksize=1)
pool.imap_unordered(self._check_whois_with_dns, iter(self.sample_gen, None), chunksize=1)
while not self._stop_event.is_set() or not self._internal_stop_event.is_set():
time.sleep(1)
if self._stop_event.is_set():
self._internal_stop_event.set()
input_t.join()
self._progress_logger.join()
self._db_buffer.terminate()
if self._stop_event.is_set():
self._finished = True
self._end_sending_feedback()
except Exception as ex:
if self._stop_event.is_set():
self._finished = True
ErrorLogger.log_error("ExternalSiteChecker.WhoisChecker", ex, "run_farm() index at:" + str(self._job_done))
def get_external_count_finished(self):
"""
ExternalTempInterface
:return:
"""
return self.get_job_done_count()
def set_internal_count(self, count: int):
"""
ExternalTempInterface
:param count:
:return:
"""
self._job_done = count
def populate_with_state(self, state):
"""
FeedbackInterface, subclass implement this method to
:param state: the state from previous
:return:
"""
if isinstance(state, WhoisCheckerState):
self._job_done = state.progress_count
self._db_buffer.set_progress(state.progress_count)
def get_state(self):
"""
FeedbackInterface, subclass this so that the controller can gather state info, which in turn will feedback into next iteration
:return:
"""
if self._internal_stop_event.is_set():
return WhoisCheckerState(0, 0)
else:
return WhoisCheckerState(self.get_job_done_count(), self._db_buffer.get_total_record())
def get_callback_data(self):
"""
FeedbackInterface, subclass this so that any callback data can be gathered by the controller
:return:
"""
return None
def is_programme_finshed(self):
"""
FeedbackInterface, indicate if the programme has finished execution, if not it goes to next iteration
:return:
"""
return self._finished
def is_progamme_need_restart(self):
"""
FeedbackInterface, indicate if the programme needs to be restarted, if not it goes to next iteration
"""
return self._internal_stop_event.is_set()
def get_file_name(self) -> str:
"""
ProgressLogInterface, the file name used to save in file system.
:return:
"""
return "whois_check_progress.csv"
def get_column_names(self) -> []:
"""
ProgressLogInterface, the column name for each prograss entry in get_prograss(), all in str format
:return: array contains column names, length should match the length of prograss entries
"""
return ["Done", "Total"]
def reset(self):
self._job_done = 0
self._job_done_shadow = 0
self._speed_penalty_count = 0
def get_progress(self) -> []:
"""
ProgressLogInterface, get the prograss data in tuple format, so that it can be used to complie to standard format
:return: array contains prograss data, which has the exact length of column names in get_column_names()
"""
total_record = self._db_buffer.get_total_record()
if (self._job_done == self._job_done_shadow and self._job_done > 0) or (self._job_done > self._min_buff_delete_threshold * 0.9 and total_record > self._min_buff_delete_threshold):
self._speed_penalty_count += 1
if self._speed_penalty_count >= 2:
ErrorLogger.log_error("WhoisChecker.get_progress()", TimeoutError("progress is stucked, restarted internal."), self._db_buffer._file_name)
print("going to clear cache")
self._db_buffer.clear_cache()
self.reset()
total_record = 0
self._db_buffer.start_input_output_cycle()
else:
print("no need to clear cache.")
self._job_done_shadow = self._job_done
self._speed_penalty_count = 0
return [self._job_done, total_record]
def get_limit(self) -> int:
"""
ProgressLogInterface, the number of samples you want to collect.
:return: max number of samples
"""
return self._max_sample_results
class WhoisChecker(FeedbackInterface, ExternalTempInterface,
ProgressLogInterface):
"""
usage:
checker = WhoisChecker(...)
checker.run_farm()
"""
def __init__(self,
stop_event: Event,
input_queue: Queue = None,
output_queue: Queue = None,
max_worker: int = 10,
dir_path="",
is_debug=False,
**kwargs):
self._is_debug = is_debug
FeedbackInterface.__init__(self, **kwargs)
ExternalTempInterface.__init__(self)
# do not use predefined queue here
# self._input_q = input_queue
# self._output_q = output_queue
self._stop_event = stop_event
self._internal_stop_event = Event()
self._max_worker = max_worker
self._job_done = 0
self._job_done_shadow = 0
self._job_done_lock = RLock()
self._input_period = 0.0001 # time to sample data into the buffer
self._max_sample_results = 100000
self._min_sampling_duration = 0.0001
self._sample_batch_size = 5000
self._sample_batch_timeout = 60
if is_debug:
self._min_buff_delete_threshold = 10000 # default is 100000
else:
self._min_buff_delete_threshold = 100000
self._speed_penalty_count = 0
self._finished = False
manager, self._output_q = get_queue_client(
QueueManager.MachineSettingCrawler,
QueueManager.Method_Whois_Output)
self._db_buffer = ExternalTempDataDiskBuffer(
"whois_check.db",
self,
self._internal_stop_event,
buf_size=self._max_worker * 50,
terminate_callback=WhoisChecker.terminate_callback,
dir_path=dir_path)
self._populate_with_state() # FeedbackInterface
if not is_debug:
log_period = 120
else:
log_period = 10
self._progress_logger = ProgressLogger(log_period, self,
self._internal_stop_event)
@staticmethod
def terminate_callback():
ErrorLogger.log_error("WhoisChecker", StopIteration("terminated."))
@staticmethod
def get_input_parameters(input_queue: Queue,
output_queue: Queue,
stop_event: Event,
max_worker: int = 20) -> dict:
return {
"input_queue": input_queue,
"output_queue": output_queue,
"stop_event": stop_event,
"max_worker": max_worker
}
def get_job_done_count(self):
with self._job_done_lock:
job_done = self._job_done
return job_done
def _add_job_done_one(self):
with self._job_done_lock:
self._job_done += 1
def _put_output_result_in_queue(self, domain_data: OnSiteLink):
if not self._stop_event.is_set(
) or not self._internal_stop_event.is_set():
try:
self._output_q.put(
(domain_data.link, domain_data.response_code))
except Exception as inner_ex:
if self._output_q is None:
manager, self._output_q = get_queue_client(
QueueManager.MachineSettingCrawler,
QueueManager.Method_Whois_Output)
ErrorLogger.log_error(
"WhoisChecker",
inner_ex,
addtional="failed to put result in queue.")
time.sleep(0.01)
self._put_output_result_in_queue(domain_data)
def _check_whois_v1(self, domain_data: OnSiteLink):
root_domain = domain_data.link
try:
if root_domain.startswith("http"):
root_domain = LinkChecker.get_root_domain(domain_data.link)[1]
real_response_code = domain_data.response_code
whois = LinkChecker.check_whois(root_domain) # check whois record
if whois[0]:
if whois[2]: # domain is expired
real_response_code = ResponseCode.Expired
else:
real_response_code = ResponseCode.MightBeExpired
if real_response_code == ResponseCode.Expired:
#if ResponseCode.domain_might_be_expired(real_response_code):
domain_data.link = root_domain
domain_data.response_code = real_response_code
#return_obj = OnSiteLink(root_domain, real_response_code, domain_data.link_level, OnSiteLink.TypeOutbound)
# if isinstance(self._queue_lock, multiprocessing.RLock):
with self._queue_lock:
self._output_q.put(
(domain_data.link, domain_data.response_code))
except Exception as ex:
ErrorLogger.log_error("ExternalSiteChecker.WhoisChecker", ex,
"_check_whois() " + root_domain)
finally:
self._add_job_done_one()
def _check_whois(self, domain_data: OnSiteLink):
root_domain = domain_data.link.lower()
try:
if not self._is_debug:
if root_domain.startswith("http"):
root_domain = LinkChecker.get_root_domain(
domain_data.link)[1]
is_available, is_redemption = LinkChecker.is_domain_available_whois(
root_domain) # check whois record
if is_available or is_redemption:
if is_available:
real_response_code = ResponseCode.Expired
else:
real_response_code = ResponseCode.MightBeExpired
domain_data.link = root_domain
domain_data.response_code = real_response_code
#return_obj = OnSiteLink(root_domain, real_response_code, domain_data.link_level, OnSiteLink.TypeOutbound)
self._put_output_result_in_queue(domain_data)
else:
self._put_output_result_in_queue(domain_data)
except Exception as ex:
ErrorLogger.log_error("ExternalSiteChecker.WhoisChecker", ex,
"_check_whois() " + root_domain)
finally:
self._add_job_done_one()
def _check_whois_with_dns(self, page: OnSiteLink):
real_response_code = ResponseCode.DNSError
skip_whois_check = False
try:
if not self._is_debug:
root_result = LinkChecker.get_root_domain(page.link)
root_domain = root_result[1]
sub_domain = root_result[4]
suffix = root_result[5]
if len(sub_domain
) == 0 or suffix not in TldUtility.TOP_TLD_LIST:
skip_whois_check = True
else:
if LinkChecker.is_domain_DNS_OK(
sub_domain): # check DNS first
real_response_code = ResponseCode.NoDNSError
skip_whois_check = True
elif not sub_domain.startswith("www."):
if LinkChecker.is_domain_DNS_OK("www." + root_domain):
real_response_code = ResponseCode.NoDNSError
skip_whois_check = True
page.response_code = real_response_code
page.link_type = OnSiteLink.TypeOutbound
page.link = root_domain
except Exception as ex:
ErrorLogger.log_error("WhoisChecker", ex,
"_check_whois_with_dns() " + page.link)
skip_whois_check = True
finally:
if not skip_whois_check and real_response_code == ResponseCode.DNSError:
self._check_whois(page)
else:
self._add_job_done_one()
def _sample_data(self):
ref_time = time.time()
manager, result_queue = get_queue_client(
QueueManager.MachineSettingCrawler,
QueueManager.Method_Whois_Input)
if result_queue is None:
ErrorLogger.log_error(
"ExternalSiteChecker.WhoisChecker._sample_data()",
ValueError("result queue is None, cannot get data."))
if not (self._stop_event.is_set()
or self._internal_stop_event.is_set()):
self._sample_data()
else:
while not (self._stop_event.is_set()
or self._internal_stop_event.is_set()):
data_list = []
counter = 0
while not result_queue.empty():
data = None
try:
data = result_queue.get()
except Exception as ex:
ErrorLogger.log_error("WhoisChecker._sampling_data",
ex)
if result_queue is None:
manager, result_queue = get_queue_client(
QueueManager.MachineSettingCrawler,
QueueManager.Method_Whois_Input)
if isinstance(data, OnSiteLink):
counter += 1
data_list.append((data.link, data.response_code))
elif isinstance(data, tuple) and len(data) == 2:
#print("External Site checker: recieved:", data)
counter += 1
data_list.append(data)
if isinstance(data, list):
data_list += data
counter += 1
if counter >= self._sample_batch_size:
break
current_time = time.time()
if current_time - ref_time >= self._sample_batch_timeout:
break
time.sleep(self._min_sampling_duration)
ref_time = time.time()
if len(data_list) > 0:
#print("whois checker input data in db_buff: ", len(data_list))
self._db_buffer.append_to_buffer(data_list,
convert_tuple=False)
data_list.clear()
else:
pass
time.sleep(self._input_period)
def sample_gen(self):
while not self._stop_event.is_set(
) or not self._internal_stop_event.is_set():
try:
if not self._db_buffer.reset_event.is_set():
for next_item in self._db_buffer:
time.sleep(0.0001)
return next_item
print("going to next cycle in sample_gen.")
time.sleep(1)
except Exception as ex:
print("sample_gen error:", ex)
def run_farm(self):
try:
self._start_sending_feedback()
input_t = threading.Thread(target=self._sample_data)
input_t.start() # start sampling data
self._progress_logger.start()
self._db_buffer.start_input_output_cycle(
) # start input and output data to/from file
pool = ThreadPool(processes=self._max_worker)
# pool.imap_unordered(self._check_whois_with_dns, self._db_buffer, chunksize=1)
pool.imap_unordered(self._check_whois_with_dns,
iter(self.sample_gen, None),
chunksize=1)
while not self._stop_event.is_set(
) or not self._internal_stop_event.is_set():
time.sleep(1)
if self._stop_event.is_set():
self._internal_stop_event.set()
input_t.join()
self._progress_logger.join()
self._db_buffer.terminate()
if self._stop_event.is_set():
self._finished = True
self._end_sending_feedback()
except Exception as ex:
if self._stop_event.is_set():
self._finished = True
ErrorLogger.log_error("ExternalSiteChecker.WhoisChecker", ex,
"run_farm() index at:" + str(self._job_done))
def get_external_count_finished(self):
"""
ExternalTempInterface
:return:
"""
return self.get_job_done_count()
def set_internal_count(self, count: int):
"""
ExternalTempInterface
:param count:
:return:
"""
self._job_done = count
def populate_with_state(self, state):
"""
FeedbackInterface, subclass implement this method to
:param state: the state from previous
:return:
"""
if isinstance(state, WhoisCheckerState):
self._job_done = state.progress_count
self._db_buffer.set_progress(state.progress_count)
def get_state(self):
"""
FeedbackInterface, subclass this so that the controller can gather state info, which in turn will feedback into next iteration
:return:
"""
if self._internal_stop_event.is_set():
return WhoisCheckerState(0, 0)
else:
return WhoisCheckerState(self.get_job_done_count(),
self._db_buffer.get_total_record())
def get_callback_data(self):
"""
FeedbackInterface, subclass this so that any callback data can be gathered by the controller
:return:
"""
return None
def is_programme_finshed(self):
"""
FeedbackInterface, indicate if the programme has finished execution, if not it goes to next iteration
:return:
"""
return self._finished
def is_progamme_need_restart(self):
"""
FeedbackInterface, indicate if the programme needs to be restarted, if not it goes to next iteration
"""
return self._internal_stop_event.is_set()
def get_file_name(self) -> str:
"""
ProgressLogInterface, the file name used to save in file system.
:return:
"""
return "whois_check_progress.csv"
def get_column_names(self) -> []:
"""
ProgressLogInterface, the column name for each prograss entry in get_prograss(), all in str format
:return: array contains column names, length should match the length of prograss entries
"""
return ["Done", "Total"]
def reset(self):
self._job_done = 0
self._job_done_shadow = 0
self._speed_penalty_count = 0
def get_progress(self) -> []:
"""
ProgressLogInterface, get the prograss data in tuple format, so that it can be used to complie to standard format
:return: array contains prograss data, which has the exact length of column names in get_column_names()
"""
total_record = self._db_buffer.get_total_record()
if (self._job_done == self._job_done_shadow and self._job_done > 0
) or (self._job_done > self._min_buff_delete_threshold * 0.9
and total_record > self._min_buff_delete_threshold):
self._speed_penalty_count += 1
if self._speed_penalty_count >= 2:
ErrorLogger.log_error(
"WhoisChecker.get_progress()",
TimeoutError("progress is stucked, restarted internal."),
self._db_buffer._file_name)
print("going to clear cache")
self._db_buffer.clear_cache()
self.reset()
total_record = 0
self._db_buffer.start_input_output_cycle()
else:
print("no need to clear cache.")
self._job_done_shadow = self._job_done
self._speed_penalty_count = 0
return [self._job_done, total_record]
def get_limit(self) -> int:
"""
ProgressLogInterface, the number of samples you want to collect.
:return: max number of samples
"""
return self._max_sample_results
class FilterController(FeedbackInterface, ExternalTempInterface):
"""
This Controller can be memory controlled since it implement FeedbackInterface
"""
def __init__(self, db_ref: str, db_dir: str, input_queue: Queue, output_queue: Queue, stop_event: Event,
matrix: CrawlMatrix, accounts: list, force_mode=False, force_mode_offset=0, force_mode_total=0, **kwargs):
FeedbackInterface.__init__(self, **kwargs)
self._stop_event = stop_event
self._matrix = matrix
self._db_ref = db_ref
self._input_queue = input_queue
self._output_queue = output_queue
self._pool_input = Queue()
self._pool = FilterPool(self._pool_input, self._output_queue, self._queue_lock, self._stop_event, self._matrix,
accounts=accounts)
self._db_buffer = ExternalTempDataDiskBuffer(self._db_ref, self, self._stop_event, dir_path=db_dir,
buf_size=2500, output_f=5000) # control how data flow speed,
# it can keep input:output ratio = 1:1 at max 10 milion data row per hour
#FeedbackInterface.__init__(self, **kwargs)
ExternalTempInterface.__init__(self)
self._populate_with_state()
if force_mode:
new_state = _FilterState(progress=force_mode_offset, all_data=force_mode_total)
self.populate_with_state(new_state)
@staticmethod
def get_input_parameters(db_ref: str, db_dir: str, input_queue: Queue, output_queue: Queue, stop_event: Event,
matrix: CrawlMatrix, accounts: list, force_mode: bool, force_mode_offset:int,force_mode_total:int):
return {"db_ref": db_ref, "db_dir": db_dir, "input_queue": input_queue, "output_queue": output_queue, "stop_event": stop_event,
"matrix": matrix, "accounts": accounts,
"force_mode": force_mode, "force_mode_offset": force_mode_offset, "force_mode_total": force_mode_total,}
def _sample_data_buffer_input(self):
while not self._stop_event.is_set():
data_list = []
# if isinstance(self._queue_lock, multiprocessing.RLock):
while not self._input_queue.empty():
#with self._queue_lock:
data = self._input_queue.get()
if isinstance(data, tuple) and len(data) == 2:
data_list.append(data)
if len(data_list) > 0:
self._db_buffer.append_to_buffer(data_list, convert_tuple=False)
data_list.clear()
time.sleep(1)
def _sample_data_buffer_output(self):
for item in self._db_buffer:
if self._stop_event.is_set():
break
if isinstance(item, OnSiteLink):
self._pool_input.put(FilteredDomainData(domain=item.link, found=int(time.time())))
def begin_filtering(self):
self._start_sending_feedback()
self._db_buffer.start_input_output_cycle() # start input and output data to/from file
input_t = threading.Thread(target=self._sample_data_buffer_input)
output_t = threading.Thread(target=self._sample_data_buffer_output)
input_t.start() # start sampling data
output_t.start()
self._pool.start()
if self._pool.is_alive():
self._pool.join()
self._db_buffer.terminate()
if input_t.is_alive():
input_t.join()
if output_t.is_alive():
output_t.join()
self._end_sending_feedback()
def populate_with_state(self, state):
"""
FeedbackInterface, subclass implement this method to
:param state: the state from previous
:return:
"""
if isinstance(state, _FilterState):
self._pool.set_job_done(state.progress)
self._db_buffer.set_progress(state.progress)
def get_state(self):
"""
FeedbackInterface, subclass this so that the controller can gather state info, which in turn will feedback into next iteration
:return:
"""
return _FilterState(progress=self._pool.get_job_done(), all_data=self._db_buffer.get_total_record())
def get_callback_data(self):
"""
FeedbackInterface, subclass this so that any callback data can be gathered by the controller
:return:
"""
return None
def is_programme_finshed(self):
"""
FeedbackInterface, indicate if the programme has finished execution, if not it goes to next iteration
:return:
"""
return self._stop_event.is_set()
def get_external_count_finished(self) -> int:
"""
ExternalTempInterface, get the number of job done in ExternalTempDataDiskBuffer
:return:
"""
return self._pool.get_job_done()
def set_internal_count(self, count: int):
"""
ExternalTempInterface, set the number of job done in ExternalTempDataDiskBuffer
:param count:
:return:
"""
self._pool.set_job_done(count)