def alg_start(self):
printh('Algorithm', 'Algorithm is now online...', 'green')
#3 Thread Handle Init
self.applyHandle = threading.Thread(target=self.applyThread, args=(5.0,))
self.applyHandle.setDaemon(True)
self.applyHandle.start()
pass
def processThread(self):
redist_fp = open(path.join('Files', self.fhash), 'w+b')
#redist_fp.fillin(chr(0), self.size) #not needed
tot = self.numB
seq_map = [time.time()] * self.numB
while not self.paused and tot > 0:
itert, ptr, maxB = 0, 0, 0
index = ptr % self.bsize
while ptr <= self.numB:
thisB = self.ringBuffer[index][0]
if seq_map[ptr] != -1:
if thisB == ptr:
redist_fp.seek(ptr * self.length)
redist_fp.write(self.ringBuffer[index][1])
maxB = thisB #update maxB for this iteration
tot -= 1
seq_map[ptr] = -1
pass
elif time.time() - seq_map[ptr] > 1.0: #timeout with 1s
self.fb_q.put(build_control(0, 'NAK', ptr))
seq_map[ptr] = time.time()
pass
pass
ptr += 1
pass
print('iteration %d: %d' % (itert, maxB))
pass
redist_fp.truncate(self.size) #remove extra zeros
redist_fp.close()
printh('Aggregator', 'End of File', 'red')
pass
def run(self):
self.alg_start()
try:
while True:
if not self.fb_q.empty():
frame = fb_q.get_nowait()
#self.countup(frame)
pass
pass
except Exception as e:
printh('Algorithm', e, 'red') #for debug
pass
finally:
self.alg_exit()
def readThread(self):
while not self.paused:
interval = self.length / self.speed
try:
data = self.data.data_read_op(self.length)
if not data:
self.paused = True
raise Exception('End of File')
pass
else:
self.buffer.put_nowait(data)
#print('Source Data: %s'%(data)) #for debug
pass
sleep(interval)
except Exception as e:
if not e.message=='':
printh('read-thread', e, 'red')
pass
pass
def alg_exit(self):
printh('Algorithm', "Now exit...", 'red')
exit()
pass
def stop(self):
self.paused = True
if self.sourceHandle.is_alive():
self.sourceHandle.join()
printh('Source %d'%self.task_id, 'Stream stopped...', 'red')
pass
def start(self):
self.paused = False
self.thread_init()
self.sourceHandle.start()
printh('Source %d'%self.task_id, 'Now start...', 'green')
pass