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python: allow usage of communicate() without blocking

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Steffen Vogel 2020-06-07 18:53:26 +01:00 • committed by Steffen Vogel
parent 92a2f2cfbf
commit f0bcf744e9
1 changed files with 7 additions and 6 deletions
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13
python/villas/node/communicate.py
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@ -60,7 +60,7 @@ class SendThread(Thread):
self.sequence += 1 self.sequence += 1
def communicate(rate, recv_cb=None, send_cb=None): def communicate(rate, recv_cb=None, send_cb=None, wait=True):
if recv_cb: if recv_cb:
rt = RecvThread(recv_cb) rt = RecvThread(recv_cb)
@ -70,11 +70,12 @@ def communicate(rate, recv_cb=None, send_cb=None):
st = SendThread(send_cb, rate) st = SendThread(send_cb, rate)
st.start() st.start()
try: if wait:
while True: try:
time.sleep(1) while True:
except KeyboardInterrupt: time.sleep(1)
logger.info('Received Ctrl+C. Stopping send/recv threads') except KeyboardInterrupt:
logger.info('Received Ctrl+C. Stopping send/recv threads')
# Threads are daemon threads # Threads are daemon threads
# and therefore killed with program termination # and therefore killed with program termination