139 lines
4.6 KiB
Python
139 lines
4.6 KiB
Python
#!/usr/bin/env python3
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# -*- mode: python-mode; py-indent-tabs-mode: nil -*-
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"""
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/*
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* Copyright (C) 2018 sysmocom s.f.m.c. GmbH
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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"""
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import hashlib, sys, os, datetime, signal, logging, logging.handlers
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from functools import partial
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from osmopy.osmo_ipa import Ctrl
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# keys from OpenBSC openbsc/src/libbsc/bsc_rf_ctrl.c, values SOAP-specific
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oper = { 'inoperational' : 0, 'operational' : 1 }
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admin = { 'locked' : 0, 'unlocked' : 1 }
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policy = { 'off' : 0, 'on' : 1, 'grace' : 2, 'unknown' : 3 }
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# keys from OpenBSC openbsc/src/libbsc/bsc_vty.c
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fix = { 'invalid' : 0, 'fix2d' : 1, 'fix3d' : 1 } # SOAP server treats it as boolean but expects int
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def split_type(v):
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"""
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Split TRAP type into list
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"""
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(l, _) = v.split()
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return l.split('.')
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def get_r(v):
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"""
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Split TRAP record
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"""
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(_, r) = v.split()
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return r
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def get_type(v):
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"""
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Get TRAP type
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"""
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loc = split_type(v)
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return loc[-1]
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def comm_proc(comm, bid, f, log):
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"""
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Command processor: takes function f to run for each command
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"""
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bsc_id = comm[0].split()[0].split('.')[3] # we expect 1st command to have net.0.bsc.666.bts.2.trx.1 location prefix format
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log.info("BSC %s commands: %r" % (bid, comm))
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for t in comm:
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(_, m) = Ctrl().cmd(*t.split())
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f(m)
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return bsc_id
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def make_params(bsc, data):
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"""
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Make parameters for request
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"""
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(ts, fx, lat, lon, _, opr, adm, pol, _, _) = data.split(',')
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tstamp = datetime.datetime.fromtimestamp(float(ts)).isoformat()
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return {'bsc_id': bsc, 'lon': lon, 'lat': lat, 'position_validity': fix.get(fx, 0), 'time_stamp': tstamp, 'oper_status': oper.get(opr, 2), 'admin_status': admin.get(adm, 2), 'policy_status': policy.get(pol, 3) }
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def p_h(v):
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"""
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Parse helper for method dispatch: expected format is net.0.bsc.666.bts.2.trx.1
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"""
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loc = split_type(v)
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return partial(lambda a, i: a[i] if len(a) > i else None, loc)
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def reloader(path, script, log, dbg1, dbg2, signum, _):
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"""
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Signal handler: we have to use execl() because twisted's reactor is not restartable due to some bug in twisted implementation
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"""
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log.info("Received Signal %d - restarting..." % signum)
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if signum == signal.SIGUSR1 and dbg1 not in sys.argv and dbg2 not in sys.argv:
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sys.argv.append(dbg1) # enforce debug
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if signum == signal.SIGUSR2 and (dbg1 in sys.argv or dbg2 in sys.argv): # disable debug
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if dbg1 in sys.argv:
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sys.argv.remove(dbg1)
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if dbg2 in sys.argv:
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sys.argv.remove(dbg2)
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os.execl(path, script, *sys.argv[1:])
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def add_keys(inp, params, l):
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"""
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Add given list of keys to input string.
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"""
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for key in l:
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inp += str(params.get(key))
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return inp
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def gen_hash(params, skey):
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"""
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Make mandatory parameter for HTTP request.
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"""
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inp = add_keys('', params, ['time_stamp', 'position_validity', 'admin_status', 'policy_status'])
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inp += skey
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inp = add_keys(inp, params, ['bsc_id', 'lat', 'lon', 'position_validity'])
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m = hashlib.md5()
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m.update(inp.encode('utf-8'))
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return m.hexdigest()
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def log_init(name, is_debug):
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"""
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Initialize stdout logging.
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"""
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log = logging.getLogger(name)
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log.setLevel(logging.DEBUG if is_debug else logging.INFO)
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log.addHandler(logging.StreamHandler(sys.stdout))
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return log
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def debug_init(name, is_debug):
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"""
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Initialize signal handlers and logging
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"""
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log = log_init(name, is_debug)
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reboot = partial(reloader, os.path.abspath(__file__), os.path.basename(__file__), log, '-d', '--debug') # keep in sync with caller's add_argument()
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signal.signal(signal.SIGHUP, reboot)
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signal.signal(signal.SIGQUIT, reboot)
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signal.signal(signal.SIGUSR1, reboot) # restart and enabled debug output
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signal.signal(signal.SIGUSR2, reboot) # restart and disable debug output
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return log
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