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A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/gerrit-log@lists.osmocom.org/.
Max gerrit-no-reply at lists.osmocom.orgMax has submitted this change and it was merged. ( https://gerrit.osmocom.org/11936 )
Change subject: Move common Trap-related code into separate file
......................................................................
Move common Trap-related code into separate file
The ctrl2cgi.py is heavily based upon soap.py - let's move all the
shared code into separate file to make further modifications easier.
Change-Id: I7b59f2dbded9074d15f2d2f40bf5a92ed02601e2
Related: SYS#4399
---
M README
M osmopy/__init__.py
A osmopy/trap_helper.py
M scripts/ctrl2cgi.py
M scripts/soap.py
5 files changed, 147 insertions(+), 194 deletions(-)
Approvals:
Pau Espin Pedrol: Looks good to me, approved
Jenkins Builder: Verified
diff --git a/README b/README
index 37cd847..76defb6 100644
--- a/README
+++ b/README
@@ -33,6 +33,7 @@
Libraries:
osmopy/osmoutil.py - code that's shared between the scripts
osmopy/osmo_ipa.py - generic implementation of IPA and Ctrl protocols in python
+osmopy/trap_helper.py - generic Trap class and related helpers used by soap.py and ctrl2cgi.py
osmopy/osmo_interact/{vty,ctrl}.py - general interactions with VTY and CTRL ports
osmopy/obscvty.py - connect to a vty, superseded by osmo_interact/vty
diff --git a/osmopy/__init__.py b/osmopy/__init__.py
index 2195498..ce78caf 100644
--- a/osmopy/__init__.py
+++ b/osmopy/__init__.py
@@ -1,4 +1,4 @@
#!/usr/bin/env python
-__version__ = '0.0.9'
+__version__ = '0.1.0'
-__all__ = ['obscvty', 'osmoutil', 'osmo_ipa', 'osmo_interact', 'twisted_ipa']
+__all__ = ['obscvty', 'osmoutil', 'osmo_ipa', 'osmo_interact', 'trap_helper', 'twisted_ipa']
diff --git a/osmopy/trap_helper.py b/osmopy/trap_helper.py
new file mode 100644
index 0000000..a3ffbff
--- /dev/null
+++ b/osmopy/trap_helper.py
@@ -0,0 +1,126 @@
+#!/usr/bin/python3
+# -*- mode: python-mode; py-indent-tabs-mode: nil -*-
+"""
+/*
+ * Copyright (C) 2018 sysmocom s.f.m.c. GmbH
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+"""
+
+import sys, os, signal, logging, logging.handlers
+from functools import partial
+from osmopy.twisted_ipa import CTRL
+from twisted.internet import defer
+
+# keys from OpenBSC openbsc/src/libbsc/bsc_rf_ctrl.c, values SOAP-specific
+oper = { 'inoperational' : 0, 'operational' : 1 }
+admin = { 'locked' : 0, 'unlocked' : 1 }
+policy = { 'off' : 0, 'on' : 1, 'grace' : 2, 'unknown' : 3 }
+
+# keys from OpenBSC openbsc/src/libbsc/bsc_vty.c
+fix = { 'invalid' : 0, 'fix2d' : 1, 'fix3d' : 1 } # SOAP server treats it as boolean but expects int
+
+class Trap(CTRL):
+ """
+ TRAP handler (agnostic to factory's client object)
+ """
+ def ctrl_TRAP(self, data, op_id, v):
+ """
+ Parse CTRL TRAP and dispatch to appropriate handler after normalization
+ """
+ (l, r) = v.split()
+ loc = l.split('.')
+ t_type = loc[-1]
+ p = partial(lambda a, i: a[i] if len(a) > i else None, loc) # parse helper
+ method = getattr(self, 'handle_' + t_type.replace('-', ''), lambda: "Unhandled %s trap" % t_type)
+ method(p(1), p(3), p(5), p(7), r) # we expect net.0.bsc.666.bts.2.trx.1 format for trap prefix
+
+ def ctrl_SET_REPLY(self, data, _, v):
+ """
+ Debug log for replies to our commands
+ """
+ self.factory.log.debug('SET REPLY %s' % v)
+
+ def ctrl_ERROR(self, data, op_id, v):
+ """
+ We want to know if smth went wrong
+ """
+ self.factory.log.debug('CTRL ERROR [%s] %s' % (op_id, v))
+
+ def connectionMade(self):
+ """
+ Logging wrapper, calling super() is necessary not to break reconnection logic
+ """
+ self.factory.log.info("Connected to CTRL@%s:%d" % (self.factory.host, self.factory.port))
+ super(CTRL, self).connectionMade()
+
+ @defer.inlineCallbacks
+ def handle_locationstate(self, net, bsc, bts, trx, data):
+ """
+ Handle location-state TRAP: parse trap content, prepare parameters and use treq's routines to post it while setting up async handlers
+ """
+ (ts, fx, lat, lon, height, opr, adm, pol, mcc, mnc) = data.split(',')
+ tstamp = datetime.datetime.fromtimestamp(float(ts)).isoformat()
+ self.factory.log.debug('location-state@%s.%s.%s.%s (%s) [%s/%s] => %s' % (net, bsc, bts, trx, tstamp, mcc, mnc, data))
+
+ d = self.factory.prepare_params(bsc, lon, lat, fix.get(fx, 0), tstamp, oper.get(opr, 2), admin.get(adm, 2), policy.get(pol, 3))
+
+ d.addErrback(lambda e, bsc: self.factory.log.critical("HTTP POST error %s while trying to register BSC %s on %s" % (e, bsc, self.factory.location)), bsc) # handle HTTP errors
+ # Ensure that we run only limited number of requests in parallel:
+ yield self.factory.semaphore.acquire()
+ yield d # we end up here only if semaphore is available which means it's ok to fire the request without exceeding the limit
+ self.factory.semaphore.release()
+
+ def handle_notificationrejectionv1(self, net, bsc, bts, trx, data):
+ """
+ Handle notification-rejection-v1 TRAP: just an example to show how more message types can be handled
+ """
+ self.factory.log.debug('notification-rejection-v1 at bsc-id %s => %s' % (bsc, data))
+
+
+def reloader(path, script, log, dbg1, dbg2, signum, _):
+ """
+ Signal handler: we have to use execl() because twisted's reactor is not restartable due to some bug in twisted implementation
+ """
+ log.info("Received Signal %d - restarting..." % signum)
+ if signum == signal.SIGUSR1 and dbg1 not in sys.argv and dbg2 not in sys.argv:
+ sys.argv.append(dbg1) # enforce debug
+ if signum == signal.SIGUSR2 and (dbg1 in sys.argv or dbg2 in sys.argv): # disable debug
+ if dbg1 in sys.argv:
+ sys.argv.remove(dbg1)
+ if dbg2 in sys.argv:
+ sys.argv.remove(dbg2)
+ os.execl(path, script, *sys.argv[1:])
+
+def debug_init(name, is_debug, output):
+ log = logging.getLogger(name)
+ if is_debug:
+ log.setLevel(logging.DEBUG)
+ else:
+ log.setLevel(logging.INFO)
+ log.addHandler(logging.handlers.SysLogHandler('/dev/log'))
+ if output:
+ log.addHandler(logging.StreamHandler(sys.stdout))
+
+ reboot = partial(reloader, os.path.abspath(__file__), os.path.basename(__file__), log, '-d', '--debug') # keep in sync with caller's add_argument()
+ signal.signal(signal.SIGHUP, reboot)
+ signal.signal(signal.SIGQUIT, reboot)
+ signal.signal(signal.SIGUSR1, reboot) # restart and enabled debug output
+ signal.signal(signal.SIGUSR2, reboot) # restart and disable debug output
+
+ return log
diff --git a/scripts/ctrl2cgi.py b/scripts/ctrl2cgi.py
index ed4522c..18cfdbe 100755
--- a/scripts/ctrl2cgi.py
+++ b/scripts/ctrl2cgi.py
@@ -29,6 +29,7 @@
from osmopy.osmo_ipa import Ctrl
from treq import post, collect
from functools import partial
+from osmopy.trap_helper import Trap, reloader, debug_init
from distutils.version import StrictVersion as V # FIXME: use NormalizedVersion from PEP-386 when available
import argparse, datetime, signal, sys, os, logging, logging.handlers
import hashlib
@@ -38,13 +39,6 @@
# we don't support older versions of TwistedIPA module
assert V(twisted_ipa_version) > V('0.4')
-# keys from OpenBSC openbsc/src/libbsc/bsc_rf_ctrl.c, values CGI-specific
-oper = { 'inoperational' : 0, 'operational' : 1 }
-admin = { 'locked' : 0, 'unlocked' : 1 }
-policy = { 'off' : 0, 'on' : 1, 'grace' : 2, 'unknown' : 3 }
-
-# keys from OpenBSC openbsc/src/libbsc/bsc_vty.c
-fix = { 'invalid' : 0, 'fix2d' : 1, 'fix3d' : 1 } # CGI server treats it as boolean but expects int
@defer.inlineCallbacks
def handle_reply(f, log, resp):
@@ -81,65 +75,6 @@
#print('HASH: \nparams="%r"\ninput="%s" \nres="%s"' %(params, input, res))
return res
-class Trap(CTRL):
- """
- TRAP handler (agnostic to factory's client object)
- """
- def ctrl_TRAP(self, data, op_id, v):
- """
- Parse CTRL TRAP and dispatch to appropriate handler after normalization
- """
- self.factory.log.debug('TRAP %s' % v)
- (l, r) = v.split()
- loc = l.split('.')
- t_type = loc[-1]
- p = partial(lambda a, i: a[i] if len(a) > i else None, loc) # parse helper
- method = getattr(self, 'handle_' + t_type.replace('-', ''), lambda *_: "Unhandled %s trap" % t_type)
- method(p(1), p(3), p(5), p(7), r) # we expect net.0.bsc.666.bts.2.trx.1 format for trap prefix
-
- def ctrl_SET_REPLY(self, data, _, v):
- """
- Debug log for replies to our commands
- """
- self.factory.log.debug('SET REPLY %s' % v)
-
- def ctrl_ERROR(self, data, op_id, v):
- """
- We want to know if smth went wrong
- """
- self.factory.log.debug('CTRL ERROR [%s] %s' % (op_id, v))
-
- def connectionMade(self):
- """
- Logging wrapper, calling super() is necessary not to break reconnection logic
- """
- self.factory.log.info("Connected to CTRL@%s:%d" % (self.factory.host, self.factory.port))
- super(CTRL, self).connectionMade()
-
- @defer.inlineCallbacks
- def handle_locationstate(self, net, bsc, bts, trx, data):
- """
- Handle location-state TRAP: parse trap content, build CGI Request and use treq's routines to post it while setting up async handlers
- """
- (ts, fx, lat, lon, height, opr, adm, pol, mcc, mnc) = data.split(',')
- tstamp = datetime.datetime.fromtimestamp(float(ts)).isoformat()
- self.factory.log.debug('location-state@%s.%s.%s.%s (%s) [%s/%s] => %s' % (net, bsc, bts, trx, tstamp, mcc, mnc, data))
- params = {'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) }
- params['h'] = gen_hash(params, self.factory.secret_key)
- d = post(self.factory.location, None, params=params)
- d.addCallback(partial(handle_reply, self.transport.write, self.factory.log)) # treq's collect helper is handy to get all reply content at once using closure on ctx
- d.addErrback(lambda e, bsc: self.factory.log.critical("HTTP POST error %s while trying to register BSC %s on %s" % (e, bsc, self.factory.location)), bsc) # handle HTTP errors
- # Ensure that we run only limited number of requests in parallel:
- yield self.factory.semaphore.acquire()
- yield d # we end up here only if semaphore is available which means it's ok to fire the request without exceeding the limit
- self.factory.semaphore.release()
-
- def handle_notificationrejectionv1(self, net, bsc, bts, trx, data):
- """
- Handle notification-rejection-v1 TRAP: just an example to show how more message types can be handled
- """
- self.factory.log.debug('notification-rejection-v1 at bsc-id %s => %s' % (bsc, data))
-
class TrapFactory(IPAFactory):
"""
@@ -165,21 +100,12 @@
self.log.setLevel(level)
self.log.debug("Using IPA %s, CGI server: %s" % (Ctrl.version, self.location))
-
-def reloader(path, script, log, dbg1, dbg2, signum, _):
- """
- Signal handler: we have to use execl() because twisted's reactor is not restartable due to some bug in twisted implementation
- """
- log.info("Received Signal %d - restarting..." % signum)
- if signum == signal.SIGUSR1 and dbg1 not in sys.argv and dbg2 not in sys.argv:
- sys.argv.append(dbg1) # enforce debug
- if signum == signal.SIGUSR2 and (dbg1 in sys.argv or dbg2 in sys.argv): # disable debug
- if dbg1 in sys.argv:
- sys.argv.remove(dbg1)
- if dbg2 in sys.argv:
- sys.argv.remove(dbg2)
- os.execl(path, script, *sys.argv[1:])
-
+ def prepare_params(bsc, lon, lat, fix, tstamp, oper, admin, policy):
+ params = {'bsc_id': bsc, 'lon': lon, 'lat': lat, 'position_validity': fix, 'time_stamp': tstamp, 'oper_status': oper, 'admin_status': admin, 'policy_status': policy }
+ params['h'] = gen_hash(params, self.factory.secret_key)
+ d = post(self.factory.location, None, params=params)
+ d.addCallback(partial(handle_reply, self.transport.write, self.factory.log))
+ return d
if __name__ == '__main__':
p = argparse.ArgumentParser(description='Proxy between given GCI service and Osmocom CTRL protocol.')
@@ -187,27 +113,14 @@
p.add_argument('-a', '--addr-ctrl', default='localhost', help="Adress to use for CTRL interface, defaults to localhost")
p.add_argument('-p', '--port-ctrl', type=int, default=4250, help="Port to use for CTRL interface, defaults to 4250")
p.add_argument('-n', '--num-max-conn', type=int, default=5, help="Max number of concurrent HTTP requests to CGI server")
- p.add_argument('-d', '--debug', action='store_true', help="Enable debug log")
+ p.add_argument('-d', '--debug', action='store_true', help="Enable debug log") # keep in sync with debug_init call below
p.add_argument('-o', '--output', action='store_true', help="Log to STDOUT in addition to SYSLOG")
p.add_argument('-l', '--location', help="Location URL of the CGI server")
p.add_argument('-s', '--secret-key', help="Secret key used to generate verification token")
p.add_argument('-c', '--config-file', help="Path Config file. Cmd line args override values in config file")
args = p.parse_args()
- log = logging.getLogger('CTRL2CGI')
- if args.debug:
- log.setLevel(logging.DEBUG)
- else:
- log.setLevel(logging.INFO)
- log.addHandler(logging.handlers.SysLogHandler('/dev/log'))
- if args.output:
- log.addHandler(logging.StreamHandler(sys.stdout))
-
- reboot = partial(reloader, os.path.abspath(__file__), os.path.basename(__file__), log, '-d', '--debug') # keep in sync with add_argument() call above
- signal.signal(signal.SIGHUP, reboot)
- signal.signal(signal.SIGQUIT, reboot)
- signal.signal(signal.SIGUSR1, reboot) # restart and enabled debug output
- signal.signal(signal.SIGUSR2, reboot) # restart and disable debug output
+ log = debug_init('CTRL2CGI', args.debug, args.output)
location_cfgfile = None
secret_key_cfgfile = None
diff --git a/scripts/soap.py b/scripts/soap.py
index dc06e1e..156157c 100755
--- a/scripts/soap.py
+++ b/scripts/soap.py
@@ -30,20 +30,13 @@
from treq import post, collect
from suds.client import Client
from functools import partial
+from osmopy.trap_helper import Trap, reloader, debug_init
from distutils.version import StrictVersion as V # FIXME: use NormalizedVersion from PEP-386 when available
import argparse, datetime, signal, sys, os, logging, logging.handlers
# we don't support older versions of TwistedIPA module
assert V(twisted_ipa_version) > V('0.4')
-# keys from OpenBSC openbsc/src/libbsc/bsc_rf_ctrl.c, values SOAP-specific
-oper = { 'inoperational' : 0, 'operational' : 1 }
-admin = { 'locked' : 0, 'unlocked' : 1 }
-policy = { 'off' : 0, 'on' : 1, 'grace' : 2, 'unknown' : 3 }
-
-# keys from OpenBSC openbsc/src/libbsc/bsc_vty.c
-fix = { 'invalid' : 0, 'fix2d' : 1, 'fix3d' : 1 } # SOAP server treats it as boolean but expects int
-
def handle_reply(p, f, log, r):
"""
@@ -58,64 +51,6 @@
f(m)
-class Trap(CTRL):
- """
- TRAP handler (agnostic to factory's client object)
- """
- def ctrl_TRAP(self, data, op_id, v):
- """
- Parse CTRL TRAP and dispatch to appropriate handler after normalization
- """
- (l, r) = v.split()
- loc = l.split('.')
- t_type = loc[-1]
- p = partial(lambda a, i: a[i] if len(a) > i else None, loc) # parse helper
- method = getattr(self, 'handle_' + t_type.replace('-', ''), lambda: "Unhandled %s trap" % t_type)
- method(p(1), p(3), p(5), p(7), r) # we expect net.0.bsc.666.bts.2.trx.1 format for trap prefix
-
- def ctrl_SET_REPLY(self, data, _, v):
- """
- Debug log for replies to our commands
- """
- self.factory.log.debug('SET REPLY %s' % v)
-
- def ctrl_ERROR(self, data, op_id, v):
- """
- We want to know if smth went wrong
- """
- self.factory.log.debug('CTRL ERROR [%s] %s' % (op_id, v))
-
- def connectionMade(self):
- """
- Logging wrapper, calling super() is necessary not to break reconnection logic
- """
- self.factory.log.info("Connected to CTRL@%s:%d" % (self.factory.host, self.factory.port))
- super(CTRL, self).connectionMade()
-
- @defer.inlineCallbacks
- def handle_locationstate(self, net, bsc, bts, trx, data):
- """
- Handle location-state TRAP: parse trap content, build SOAP context and use treq's routines to post it while setting up async handlers
- """
- (ts, fx, lat, lon, height, opr, adm, pol, mcc, mnc) = data.split(',')
- tstamp = datetime.datetime.fromtimestamp(float(ts)).isoformat()
- self.factory.log.debug('location-state@%s.%s.%s.%s (%s) [%s/%s] => %s' % (net, bsc, bts, trx, tstamp, mcc, mnc, data))
- ctx = self.factory.client.registerSiteLocation(bsc, float(lon), float(lat), fix.get(fx, 0), tstamp, oper.get(opr, 2), admin.get(adm, 2), policy.get(pol, 3))
- d = post(self.factory.location, ctx.envelope)
- d.addCallback(collect, partial(handle_reply, ctx.process_reply, self.transport.write, self.factory.log)) # treq's collect helper is handy to get all reply content at once using closure on ctx
- d.addErrback(lambda e, bsc: self.factory.log.critical("HTTP POST error %s while trying to register BSC %s" % (e, bsc)), bsc) # handle HTTP errors
- # Ensure that we run only limited number of requests in parallel:
- yield self.factory.semaphore.acquire()
- yield d # we end up here only if semaphore is available which means it's ok to fire the request without exceeding the limit
- self.factory.semaphore.release()
-
- def handle_notificationrejectionv1(self, net, bsc, bts, trx, data):
- """
- Handle notification-rejection-v1 TRAP: just an example to show how more message types can be handled
- """
- self.factory.log.debug('notification-rejection-v1 at bsc-id %s => %s' % (bsc, data))
-
-
class TrapFactory(IPAFactory):
"""
Store SOAP client object so TRAP handler can use it for requests
@@ -140,21 +75,12 @@
self.log.setLevel(level)
self.log.debug("Using IPA %s, SUDS client: %s" % (Ctrl.version, soap))
-
-def reloader(path, script, log, dbg1, dbg2, signum, _):
- """
- Signal handler: we have to use execl() because twisted's reactor is not restartable due to some bug in twisted implementation
- """
- log.info("Received Signal %d - restarting..." % signum)
- if signum == signal.SIGUSR1 and dbg1 not in sys.argv and dbg2 not in sys.argv:
- sys.argv.append(dbg1) # enforce debug
- if signum == signal.SIGUSR2 and (dbg1 in sys.argv or dbg2 in sys.argv): # disable debug
- if dbg1 in sys.argv:
- sys.argv.remove(dbg1)
- if dbg2 in sys.argv:
- sys.argv.remove(dbg2)
- os.execl(path, script, *sys.argv[1:])
-
+ def prepare_params(bsc, lon, lat, fix, tstamp, oper, admin, policy):
+ ctx = self.factory.client.registerSiteLocation(bsc, float(lon), float(lat), fix, tstamp, oper, admin, policy)
+ d = post(self.factory.location, ctx.envelope)
+ # treq's collect helper is handy to get all reply content at once using closure on ctx:
+ d.addCallback(collect, partial(handle_reply, ctx.process_reply, self.transport.write, self.factory.log))
+ return d
if __name__ == '__main__':
p = argparse.ArgumentParser(description='Proxy between given SOAP service and Osmocom CTRL protocol.')
@@ -163,25 +89,12 @@
p.add_argument('-c', '--ctrl', default='localhost', help="Adress to use for CTRL interface, defaults to localhost")
p.add_argument('-w', '--wsdl', required=True, help="WSDL URL for SOAP")
p.add_argument('-n', '--num', type=int, default=5, help="Max number of concurrent HTTP requests to SOAP server")
- p.add_argument('-d', '--debug', action='store_true', help="Enable debug log")
+ p.add_argument('-d', '--debug', action='store_true', help="Enable debug log") # keep in sync with debug_init call below
p.add_argument('-o', '--output', action='store_true', help="Log to STDOUT in addition to SYSLOG")
p.add_argument('-l', '--location', help="Override location found in WSDL file (don't use unless you know what you're doing)")
args = p.parse_args()
- log = logging.getLogger('CTRL2SOAP')
- if args.debug:
- log.setLevel(logging.DEBUG)
- else:
- log.setLevel(logging.INFO)
- log.addHandler(logging.handlers.SysLogHandler('/dev/log'))
- if args.output:
- log.addHandler(logging.StreamHandler(sys.stdout))
-
- reboot = partial(reloader, os.path.abspath(__file__), os.path.basename(__file__), log, '-d', '--debug') # keep in sync with add_argument() call above
- signal.signal(signal.SIGHUP, reboot)
- signal.signal(signal.SIGQUIT, reboot)
- signal.signal(signal.SIGUSR1, reboot) # restart and enabled debug output
- signal.signal(signal.SIGUSR2, reboot) # restart and disable debug output
+ log = debug_init('CTRL2SOAP', args.debug, args.output)
log.info("SOAP proxy %s starting with PID %d ..." % (__version__, os.getpid()))
reactor.connectTCP(args.ctrl, args.port, TrapFactory(args.ctrl, args.port, Trap, defer.DeferredSemaphore(args.num), log, args.wsdl, args.location))
--
To view, visit https://gerrit.osmocom.org/11936
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Gerrit-Project: python/osmo-python-tests
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I7b59f2dbded9074d15f2d2f40bf5a92ed02601e2
Gerrit-Change-Number: 11936
Gerrit-PatchSet: 4
Gerrit-Owner: Max <msuraev at sysmocom.de>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Max <msuraev at sysmocom.de>
Gerrit-Reviewer: Pau Espin Pedrol <pespin at sysmocom.de>
Gerrit-Reviewer: daniel <dwillmann at sysmocom.de>
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