102 lines
5.0 KiB
Python
Executable File
102 lines
5.0 KiB
Python
Executable File
#!/usr/bin/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) 2016 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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__version__ = "0.7.1" # bump this on every non-trivial change
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from twisted.internet import defer, reactor
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from osmopy.twisted_ipa import CTRL, IPAFactory, __version__ as twisted_ipa_version
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from osmopy.osmo_ipa import Ctrl
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from treq import post, collect
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from suds.client import Client
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from functools import partial
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from osmopy.trap_helper import Trap, reloader, debug_init
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from distutils.version import StrictVersion as V # FIXME: use NormalizedVersion from PEP-386 when available
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import argparse, datetime, signal, sys, os, logging, logging.handlers
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# we don't support older versions of TwistedIPA module
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assert V(twisted_ipa_version) > V('0.4')
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def handle_reply(p, f, log, r):
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"""
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Reply handler: takes function p to process raw SOAP server reply r, function f to run for each command and verbosity flag v
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"""
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repl = p(r) # result is expected to have both commands[] array and error string (could be None)
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bsc_id = repl.commands[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("Received SOAP response for BSC %s with %d commands, error status: %s" % (bsc_id, len(repl.commands), repl.error))
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log.debug("BSC %s commands: %s" % (bsc_id, repl.commands))
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for t in repl.commands: # Process OpenBscCommands format from .wsdl
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(_, m) = Ctrl().cmd(*t.split())
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f(m)
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class TrapFactory(IPAFactory):
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"""
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Store SOAP client object so TRAP handler can use it for requests
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"""
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location = None
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log = None
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semaphore = None
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client = None
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host = None
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port = None
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def __init__(self, host, port, proto, semaphore, log, wsdl=None, location=None):
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self.host = host # for logging only,
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self.port = port # seems to be no way to get it from ReconnectingClientFactory
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self.log = log
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self.semaphore = semaphore
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soap = Client(wsdl, location=location, nosend=True) # make async SOAP client
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self.location = location.encode() if location else soap.wsdl.services[0].ports[0].location # necessary for dispatching HTTP POST via treq
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self.client = soap.service
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level = self.log.getEffectiveLevel()
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self.log.setLevel(logging.WARNING) # we do not need excessive debug from lower levels
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super(TrapFactory, self).__init__(proto, self.log)
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self.log.setLevel(level)
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self.log.debug("Using IPA %s, SUDS client: %s" % (Ctrl.version, soap))
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def prepare_params(bsc, lon, lat, fix, tstamp, oper, admin, policy):
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ctx = self.factory.client.registerSiteLocation(bsc, float(lon), float(lat), fix, tstamp, oper, admin, policy)
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d = post(self.factory.location, ctx.envelope)
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# treq's collect helper is handy to get all reply content at once using closure on ctx:
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d.addCallback(collect, partial(handle_reply, ctx.process_reply, self.transport.write, self.factory.log))
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return d
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if __name__ == '__main__':
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p = argparse.ArgumentParser(description='Proxy between given SOAP service and Osmocom CTRL protocol.')
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p.add_argument('-v', '--version', action='version', version=("%(prog)s v" + __version__))
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p.add_argument('-p', '--port', type=int, default=4250, help="Port to use for CTRL interface, defaults to 4250")
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p.add_argument('-c', '--ctrl', default='localhost', help="Adress to use for CTRL interface, defaults to localhost")
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p.add_argument('-w', '--wsdl', required=True, help="WSDL URL for SOAP")
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p.add_argument('-n', '--num', type=int, default=5, help="Max number of concurrent HTTP requests to SOAP server")
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p.add_argument('-d', '--debug', action='store_true', help="Enable debug log") # keep in sync with debug_init call below
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p.add_argument('-o', '--output', action='store_true', help="Log to STDOUT in addition to SYSLOG")
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p.add_argument('-l', '--location', help="Override location found in WSDL file (don't use unless you know what you're doing)")
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args = p.parse_args()
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log = debug_init('CTRL2SOAP', args.debug, args.output)
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log.info("SOAP proxy %s starting with PID %d ..." % (__version__, os.getpid()))
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reactor.connectTCP(args.ctrl, args.port, TrapFactory(args.ctrl, args.port, Trap, defer.DeferredSemaphore(args.num), log, args.wsdl, args.location))
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reactor.run()
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