Mercurial > repos > shellac > sam_consensus_v3
view env/lib/python3.9/site-packages/galaxy/util/sockets.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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import random import socket from galaxy.util import commands def get_ip(): s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) try: # doesn't even have to be reachable s.connect(('10.255.255.255', 1)) ip = s.getsockname()[0] except Exception: ip = None finally: s.close() return ip def unused_port(range=None): if range: return __unused_port_on_range(range) else: return __unused_port_rangeless() def __unused_port_rangeless(): # TODO: Allow ranges (though then need to guess and check)... s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.bind(('localhost', 0)) addr, port = s.getsockname() s.close() return port def __unused_port_on_range(range): assert range[0] and range[1] # Find all ports that are already occupied cmd_netstat = ["netstat", "tuln"] stdout = commands.execute(cmd_netstat) occupied_ports = set() for line in stdout.split('\n'): if line.startswith('tcp') or line.startswith('tcp6'): col = line.split() local_address = col[3] local_port = local_address.split(':')[1] occupied_ports.add(int(local_port)) # Generate random free port number. while True: port = random.randrange(range[0], range[1]) if port not in occupied_ports: break return port