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Code Issues Releases Wiki Activity

Change find an unused port.

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This commit is contained in:
grossmj 2014-10-28 21:03:51 -06:00
parent 8c47522a18
commit f5540ee147
1 changed files with 5 additions and 3 deletions
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8
gns3server/modules/attic.py
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@ -50,6 +50,7 @@ def find_unused_port(start_port, end_port, host='127.0.0.1', socket_type="TCP",
else: else:
socket_type = socket.SOCK_STREAM socket_type = socket.SOCK_STREAM
last_exception = None
for port in range(start_port, end_port + 1): for port in range(start_port, end_port + 1):
if port in ignore_ports: if port in ignore_ports:
continue continue
@ -63,15 +64,16 @@ def find_unused_port(start_port, end_port, host='127.0.0.1', socket_type="TCP",
s.bind((host, port)) # the port is available if bind is a success s.bind((host, port)) # the port is available if bind is a success
return port return port
except OSError as e: except OSError as e:
if e.errno == errno.EADDRINUSE: # socket already in use last_exception = e
if e.errno == errno.EADDRINUSE or e.errno == errno.EACCES: # socket already in use or permission denied
if port + 1 == end_port: if port + 1 == end_port:
break break
else: else:
continue continue
else: else:
raise Exception("Could not find an unused port: {}".format(e)) raise Exception("Could not find an unused port between {} and {}: {}".format(start_port, end_port, e))
raise Exception("Could not find a free port between {0} and {1}".format(start_port, end_port)) raise Exception("Could not find a free port between {0} and {1}, last exception: {}".format(start_port, end_port, last_exception))
def wait_socket_is_ready(host, port, wait=2.0, socket_timeout=10): def wait_socket_is_ready(host, port, wait=2.0, socket_timeout=10):