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Probe ports before trying to listen on them. #5

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Probe ports before trying to listen on them. #5

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ec0302e
Probe ports before trying to listen on them.
garthk Dec 25, 2013
b883ce5
Finish backing out the attempted upgrade.
garthk Dec 25, 2013
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14 changes: 14 additions & 0 deletions holideck.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,17 @@
from multiprocessing import Process, Queue
import iotas.iotas
import simpype.simpype
import socket

def probe(port):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
res = sock.connect_ex(('127.0.0.1', port))
if res != 0:
return port
else:
sock.close()
print >> sys.stderr, "Dodging conflict on TCP port %d." % port
return probe(port + 1)

if __name__ == '__main__':

Expand All @@ -38,6 +49,9 @@
spp_port = 8888 # If any error use default values
iop_port = 8080

spp_port = probe(spp_port)
iop_port = probe(iop_port)

# Create a Queue instance so the processes can share the datas
q = Queue()

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