mirror of https://gitlab.com/bashrc2/epicyon
Snake case
parent
d180ce40cb
commit
651c0d2069
96
threads.py
96
threads.py
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@ -15,8 +15,8 @@ import datetime
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class thread_with_trace(threading.Thread):
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def __init__(self, *args, **keywords):
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self.startTime = datetime.datetime.utcnow()
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self.isStarted = False
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self.start_time = datetime.datetime.utcnow()
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self.is_started = False
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tries = 0
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while tries < 3:
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try:
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@ -42,7 +42,7 @@ class thread_with_trace(threading.Thread):
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time.sleep(1)
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tries += 1
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# note that this is set True even if all tries failed
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self.isStarted = True
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self.is_started = True
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def __run(self):
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sys.settrace(self.globaltrace)
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@ -51,90 +51,96 @@ class thread_with_trace(threading.Thread):
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self.run = self.__run_backup
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except Exception as ex:
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print('ERROR: threads.py/__run failed - ' + str(ex))
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pass
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def globaltrace(self, frame, event, arg):
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"""Trace the thread
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"""
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if event == 'call':
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return self.localtrace
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else:
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return None
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return None
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def localtrace(self, frame, event, arg):
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"""Trace the thread
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"""
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if self.killed:
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if event == 'line':
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raise SystemExit()
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return self.localtrace
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def kill(self):
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"""Kill the thread
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"""
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self.killed = True
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def clone(self, fn):
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return thread_with_trace(target=fn,
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def clone(self, func):
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"""Create a clone
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"""
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return thread_with_trace(target=func,
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args=self._args,
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daemon=True)
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def remove_dormant_threads(base_dir: str, threadsList: [], debug: bool,
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timeoutMins: int) -> None:
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def remove_dormant_threads(base_dir: str, threads_list: [], debug: bool,
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timeout_mins: int) -> None:
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"""Removes threads whose execution has completed
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"""
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if len(threadsList) == 0:
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if len(threads_list) == 0:
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return
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timeoutSecs = int(timeoutMins * 60)
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dormantThreads = []
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timeout_secs = int(timeout_mins * 60)
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dormant_threads = []
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curr_time = datetime.datetime.utcnow()
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changed = False
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# which threads are dormant?
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noOfActiveThreads = 0
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for th in threadsList:
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removeThread = False
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no_of_active_threads = 0
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for thrd in threads_list:
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remove_thread = False
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if th.isStarted:
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if not th.is_alive():
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if (curr_time - th.startTime).total_seconds() > 10:
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if thrd.is_started:
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if not thrd.is_alive():
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if (curr_time - thrd.start_time).total_seconds() > 10:
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if debug:
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print('DEBUG: ' +
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'thread is not alive ten seconds after start')
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removeThread = True
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remove_thread = True
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# timeout for started threads
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if (curr_time - th.startTime).total_seconds() > timeoutSecs:
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if (curr_time - thrd.start_time).total_seconds() > timeout_secs:
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if debug:
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print('DEBUG: started thread timed out')
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removeThread = True
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remove_thread = True
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else:
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# timeout for threads which havn't been started
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if (curr_time - th.startTime).total_seconds() > timeoutSecs:
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if (curr_time - thrd.start_time).total_seconds() > timeout_secs:
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if debug:
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print('DEBUG: unstarted thread timed out')
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removeThread = True
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remove_thread = True
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if removeThread:
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dormantThreads.append(th)
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if remove_thread:
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dormant_threads.append(thrd)
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else:
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noOfActiveThreads += 1
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no_of_active_threads += 1
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if debug:
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print('DEBUG: ' + str(noOfActiveThreads) +
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' active threads out of ' + str(len(threadsList)))
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print('DEBUG: ' + str(no_of_active_threads) +
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' active threads out of ' + str(len(threads_list)))
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# remove the dormant threads
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dormantCtr = 0
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for th in dormantThreads:
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dormant_ctr = 0
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for thrd in dormant_threads:
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if debug:
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print('DEBUG: Removing dormant thread ' + str(dormantCtr))
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dormantCtr += 1
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threadsList.remove(th)
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th.kill()
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print('DEBUG: Removing dormant thread ' + str(dormant_ctr))
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dormant_ctr += 1
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threads_list.remove(thrd)
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thrd.kill()
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changed = True
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# start scheduled threads
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if len(threadsList) < 10:
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if len(threads_list) < 10:
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ctr = 0
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for th in threadsList:
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if not th.isStarted:
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for thrd in threads_list:
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if not thrd.is_started:
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print('Starting new send thread ' + str(ctr))
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th.start()
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thrd.start()
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changed = True
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break
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ctr += 1
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@ -143,12 +149,12 @@ def remove_dormant_threads(base_dir: str, threadsList: [], debug: bool,
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return
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if debug:
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sendLogFilename = base_dir + '/send.csv'
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send_log_filename = base_dir + '/send.csv'
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try:
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with open(sendLogFilename, 'a+') as logFile:
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logFile.write(curr_time.strftime("%Y-%m-%dT%H:%M:%SZ") +
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',' + str(noOfActiveThreads) +
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',' + str(len(threadsList)) + '\n')
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with open(send_log_filename, 'a+') as fp_log:
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fp_log.write(curr_time.strftime("%Y-%m-%dT%H:%M:%SZ") +
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',' + str(no_of_active_threads) +
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',' + str(len(threads_list)) + '\n')
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except OSError:
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print('EX: remove_dormant_threads unable to write ' +
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sendLogFilename)
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send_log_filename)
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