refactor

.gitignore

@@ -3,3 +3,4 @@
 _trial_temp/
 build/
 dist/
+.coverage

README.md

@@ -1,6 +1,6 @@
 # UPnP for Twisted
 
-`txupnp` is a python2/3 library to interact with UPnP gateways using Twisted
+`txupnp` is a python 3 library to interact with UPnP gateways using `twisted`
 
 ## Installation
 

setup.py

@@ -21,7 +21,7 @@ setup(
     long_description=long_description,
     url="https://github.com/lbryio/txupnp",
     license=__license__,
-    packages=find_packages(),
+    packages=find_packages(exclude=['tests']),
     entry_points={'console_scripts': console_scripts},
     install_requires=[
         'twisted[tls]',

tests/__init__.py

@@ -0,0 +1,7 @@
+import logging
+
+log = logging.getLogger("txupnp")
+handler = logging.StreamHandler()
+handler.setFormatter(logging.Formatter('%(asctime)-15s-%(filename)s:%(lineno)s->%(message)s'))
+log.addHandler(handler)
+log.setLevel(logging.INFO)

tests/test_devices.py

@@ -0,0 +1,105 @@
+from twisted.internet import reactor, defer
+from twisted.trial import unittest
+from txupnp.constants import SSDP_PORT, SSDP_IP_ADDRESS
+from txupnp.upnp import UPnP
+from txupnp.scpd import SCPDCommand
+from txupnp.gateway import Service
+from txupnp.fault import UPnPError
+from txupnp.mocks import MockReactor, MockSSDPServiceGatewayProtocol, get_device_test_case
+from txupnp.util import verify_return_types
+
+
+class TestDevice(unittest.TestCase):
+    manufacturer, model = "Cisco", "CGA4131COM"
+
+    device = get_device_test_case(manufacturer, model)
+    router_address = device.device_dict['router_address']
+    client_address = device.device_dict['client_address']
+    expected_devices = device.device_dict['expected_devices']
+    packets_rx = device.device_dict['ssdp']['received']
+    packets_tx = device.device_dict['ssdp']['sent']
+    expected_available_commands = device.device_dict['commands']['available']
+    scdp_packets = device.device_dict['scpd']
+
+    def setUp(self):
+        fake_reactor = MockReactor(self.client_address, self.scdp_packets)
+        reactor.listenMulticast = fake_reactor.listenMulticast
+        self.reactor = reactor
+        server_protocol = MockSSDPServiceGatewayProtocol(
+            self.client_address, self.router_address, self.packets_rx, self.packets_tx
+        )
+        self.server_port = self.reactor.listenMulticast(SSDP_PORT, server_protocol, interface=self.router_address)
+        self.server_port.transport.joinGroup(SSDP_IP_ADDRESS, interface=self.router_address)
+
+        self.upnp = UPnP(
+            self.reactor, debug_ssdp=True, router_ip=self.router_address,
+            lan_ip=self.client_address, iface_name='mock'
+        )
+
+    def tearDown(self):
+        self.upnp.sspd_factory.disconnect()
+        self.server_port.stopListening()
+
+
+class TestSSDP(TestDevice):
+    @defer.inlineCallbacks
+    def test_discover_device(self):
+        result = yield self.upnp.m_search(self.router_address, timeout=1)
+        self.assertEqual(len(self.expected_devices), len(result))
+        self.assertEqual(len(result), 1)
+        self.assertDictEqual(self.expected_devices[0], result[0])
+
+
+class TestSCPD(TestDevice):
+    @defer.inlineCallbacks
+    def setUp(self):
+        fake_reactor = MockReactor(self.client_address, self.scdp_packets)
+        reactor.listenMulticast = fake_reactor.listenMulticast
+        reactor.connectTCP = fake_reactor.connectTCP
+        self.reactor = reactor
+        server_protocol = MockSSDPServiceGatewayProtocol(
+            self.client_address, self.router_address, self.packets_rx, self.packets_tx
+        )
+        self.server_port = self.reactor.listenMulticast(SSDP_PORT, server_protocol, interface=self.router_address)
+        self.server_port.transport.joinGroup(SSDP_IP_ADDRESS, interface=self.router_address)
+
+        self.upnp = UPnP(
+            self.reactor, debug_ssdp=True, router_ip=self.router_address,
+            lan_ip=self.client_address, iface_name='mock'
+        )
+        yield self.upnp.discover()
+
+    def test_parse_available_commands(self):
+        self.assertDictEqual(self.expected_available_commands, self.upnp.gateway.debug_commands()['available'])
+
+    def test_parse_gateway(self):
+        self.assertDictEqual(self.device.device_dict['gateway_dict'], self.upnp.gateway.as_dict())
+
+    @defer.inlineCallbacks
+    def test_commands(self):
+        method, args, expected = self.device.device_dict['soap'][0]
+        command1 = getattr(self.upnp, method)
+        result = yield command1(*tuple(args))
+        self.assertEqual(result, expected)
+
+        method, args, expected = self.device.device_dict['soap'][1]
+        command2 = getattr(self.upnp, method)
+        result = yield command2(*tuple(args))
+        result = [[i for i in r] for r in result]
+        self.assertListEqual(result, expected)
+
+        method, args, expected = self.device.device_dict['soap'][2]
+        command3 = getattr(self.upnp, method)
+        result = yield command3(*tuple(args))
+        self.assertEqual(result, expected)
+
+        method, args, expected = self.device.device_dict['soap'][3]
+        command4 = getattr(self.upnp, method)
+        result = yield command4(*tuple(args))
+        result = [r for r in result]
+        self.assertEqual(result, expected)
+
+        method, args, expected = self.device.device_dict['soap'][4]
+        command5 = getattr(self.upnp, method)
+        result = yield command5(*tuple(args))
+        self.assertEqual(result, expected)

tests/test_ssdp.py

@@ -1,45 +0,0 @@
-from twisted.internet import reactor, defer
-from twisted.trial import unittest
-from txupnp.constants import SSDP_PORT
-from txupnp import mocks
-from txupnp.ssdp import SSDPFactory
-
-
-class TestDiscoverGateway(unittest.TestCase):
-    router_address = '10.0.0.1'
-    client_address = '10.0.0.10'
-    service_name = 'WANCommonInterfaceConfig:1'
-    st = 'urn:schemas-upnp-org:service:%s' % service_name
-    port = 49152
-    location = 'InternetGatewayDevice.xml'
-    usn = 'uuid:00000000-0000-0000-0000-000000000000::%s' % st
-    version = 'Linux, UPnP/1.0, DIR-890L Ver 1.20'
-
-    expected_devices = [
-        {
-            'cache_control': 'max-age=1800',
-            'location': 'http://%s:%i/%s' % (router_address, port, location),
-            'server': version,
-            'st': st,
-            'usn': usn
-         }
-    ]
-
-    def setUp(self):
-        fake_reactor = mocks.MockReactor()
-        reactor.listenMulticast = fake_reactor.listenMulticast
-        self.reactor = reactor
-        server_protocol = mocks.MockSSDPServiceGatewayProtocol(
-            self.router_address, self.service_name, self.st, self.port, self.location, self.usn, self.version
-        )
-        self.server_port = self.reactor.listenMulticast(SSDP_PORT, server_protocol)
-
-    def tearDown(self):
-        self.server_port.stopListening()
-
-    @defer.inlineCallbacks
-    def test_discover(self):
-        client_factory = SSDPFactory(self.reactor, self.client_address, self.router_address)
-        result = yield client_factory.m_search(self.router_address)
-        self.assertListEqual(self.expected_devices, result)
-        client_factory.disconnect()

txupnp/cli.py

@@ -1,3 +1,5 @@
+import os
+import json
 import argparse
 import logging
 from twisted.internet import reactor, defer
@@ -6,11 +8,6 @@ from txupnp.upnp import UPnP
 log = logging.getLogger("txupnp")
 
 
-def debug_device(u, include_gateway_xml=False, *_):
-    print(u.get_debug_info(include_gateway_xml=include_gateway_xml))
-    return defer.succeed(None)
-
-
 @defer.inlineCallbacks
 def get_external_ip(u, *_):
     ip = yield u.get_external_ip()
@@ -30,7 +27,7 @@ def list_mappings(u, *_):
 
 @defer.inlineCallbacks
 def add_mapping(u, *_):
-    port = 4567
+    port = 51413
     protocol = "UDP"
     description = "txupnp test mapping"
     ext_port = yield u.get_next_mapping(port, protocol, description)
@@ -50,12 +47,64 @@ def delete_mapping(u, *_):
         print("removed mapping")
 
 
+def _encode(x):
+    if isinstance(x, bytes):
+        return x.decode()
+    elif isinstance(x, Exception):
+        return str(x)
+    return x
+
+
+@defer.inlineCallbacks
+def generate_test_data(u, *_):
+    external_ip = yield u.get_external_ip()
+    redirects = yield u.get_redirects()
+    ext_port = yield u.get_next_mapping(4567, "UDP", "txupnp test mapping")
+    delete = yield u.delete_port_mapping(ext_port, "UDP")
+    after_delete = yield u.get_specific_port_mapping(ext_port, "UDP")
+
+    commands_test_case = (
+        ("get_external_ip", (), "1.2.3.4"),
+        ("get_redirects", (), redirects),
+        ("get_next_mapping", (4567, "UDP", "txupnp test mapping"), ext_port),
+        ("delete_port_mapping", (ext_port, "UDP"), delete),
+        ("get_specific_port_mapping", (ext_port, "UDP"), after_delete),
+    )
+
+    gateway = u.gateway
+    device = list(gateway.devices.values())[0]
+    assert device.manufacturer and device.modelName
+    device_path = os.path.join(os.getcwd(), "%s %s" % (device.manufacturer, device.modelName))
+    commands = gateway.debug_commands()
+    with open(device_path, "w") as f:
+        f.write(json.dumps({
+            "router_address": u.router_ip,
+            "client_address": u.lan_address,
+            "port": gateway.port,
+            "gateway_dict": gateway.as_dict(),
+            'expected_devices': [
+                {
+                    'cache_control': 'max-age=1800',
+                    'location': gateway.location,
+                    'server': gateway.server,
+                    'st': gateway.urn,
+                    'usn': gateway.usn
+                }
+            ],
+            'commands': commands,
+            'ssdp': u.sspd_factory.get_ssdp_packet_replay(),
+            'scpd': gateway.requester.dump_packets(),
+            'soap': commands_test_case
+        }, default=_encode, indent=2).replace(external_ip, "1.2.3.4"))
+    print("Generated test data! -> %s" % device_path)
+
+
 cli_commands = {
-    "debug_device": debug_device,
     "get_external_ip": get_external_ip,
     "list_mappings": list_mappings,
     "add_mapping": add_mapping,
-    "delete_mapping": delete_mapping
+    "delete_mapping": delete_mapping,
+    "generate_test_data": generate_test_data,
 }
 
 
@@ -85,9 +134,9 @@ def main():
     parser.add_argument("--include_igd_xml", dest="include_igd_xml", default=False, action="store_true")
     args = parser.parse_args()
     if args.debug_logging:
-        from twisted.python import log as tx_log
-        observer = tx_log.PythonLoggingObserver(loggerName="txupnp")
-        observer.start()
+        # from twisted.python import log as tx_log
+        # observer = tx_log.PythonLoggingObserver(loggerName="txupnp")
+        # observer.start()
         log.setLevel(logging.DEBUG)
     command = args.command
     command = command.replace("-", "_")
@@ -98,7 +147,7 @@ def main():
     def show(err):
         print("error: {}".format(err))
 
-    u = UPnP(reactor)
+    u = UPnP(reactor, debug_ssdp=(command == "generate_test_data"))
     d = u.discover()
     d.addCallback(run_command, u, command, args.include_igd_xml)
     d.addErrback(show)

txupnp/commands.py

@@ -0,0 +1,137 @@
+from txupnp.util import return_types, none_or_str, none
+
+
+class SCPDCommands:  # TODO use type annotations
+    def debug_commands(self) -> dict:
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(none)
+    def AddPortMapping(NewRemoteHost: str, NewExternalPort: int, NewProtocol: str, NewInternalPort: int,
+                       NewInternalClient: str, NewEnabled: bool, NewPortMappingDescription: str,
+                       NewLeaseDuration: str = '') -> None:
+        """Returns None"""
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(bool, bool)
+    def GetNATRSIPStatus() -> (bool, bool):
+        """Returns (NewRSIPAvailable, NewNATEnabled)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(none_or_str, int, str, int, str, bool, str, int)
+    def GetGenericPortMappingEntry(NewPortMappingIndex) -> (none_or_str, int, str, int, str, bool, str, int):
+        """
+        Returns (NewRemoteHost, NewExternalPort, NewProtocol, NewInternalPort, NewInternalClient, NewEnabled,
+                 NewPortMappingDescription, NewLeaseDuration)
+        """
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(int, str, bool, str, int)
+    def GetSpecificPortMappingEntry(NewRemoteHost, NewExternalPort, NewProtocol) -> (int, str, bool, str, int):
+        """Returns (NewInternalPort, NewInternalClient, NewEnabled, NewPortMappingDescription, NewLeaseDuration)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(none)
+    def SetConnectionType(NewConnectionType) -> None:
+        """Returns None"""
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(str)
+    def GetExternalIPAddress() -> str:
+        """Returns (NewExternalIPAddress)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(str, str)
+    def GetConnectionTypeInfo() -> (str, str):
+        """Returns (NewConnectionType, NewPossibleConnectionTypes)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(str, str, int)
+    def GetStatusInfo() -> (str, str, int):
+        """Returns (NewConnectionStatus, NewLastConnectionError, NewUptime)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(none)
+    def ForceTermination() -> None:
+        """Returns None"""
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(none)
+    def DeletePortMapping(NewRemoteHost, NewExternalPort, NewProtocol) -> None:
+        """Returns None"""
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(none)
+    def RequestConnection() -> None:
+        """Returns None"""
+        raise NotImplementedError()
+
+    @staticmethod
+    def GetCommonLinkProperties():
+        """Returns (NewWANAccessType, NewLayer1UpstreamMaxBitRate, NewLayer1DownstreamMaxBitRate, NewPhysicalLinkStatus)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    def GetTotalBytesSent():
+        """Returns (NewTotalBytesSent)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    def GetTotalBytesReceived():
+        """Returns (NewTotalBytesReceived)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    def GetTotalPacketsSent():
+        """Returns (NewTotalPacketsSent)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    def GetTotalPacketsReceived():
+        """Returns (NewTotalPacketsReceived)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    def X_GetICSStatistics():
+        """Returns (TotalBytesSent, TotalBytesReceived, TotalPacketsSent, TotalPacketsReceived, Layer1DownstreamMaxBitRate, Uptime)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    def GetDefaultConnectionService():
+        """Returns (NewDefaultConnectionService)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    def SetDefaultConnectionService(NewDefaultConnectionService) -> None:
+        """Returns (None)"""
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(none)
+    def SetEnabledForInternet(NewEnabledForInternet) -> None:
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(bool)
+    def GetEnabledForInternet() -> bool:
+        raise NotImplementedError()
+
+    @staticmethod
+    def GetMaximumActiveConnections(NewActiveConnectionIndex):
+        raise NotImplementedError()
+
+    @staticmethod
+    @return_types(str, str)
+    def GetActiveConnections() -> (str, str):
+        """Returns (NewActiveConnDeviceContainer, NewActiveConnectionServiceID"""
+        raise NotImplementedError()

txupnp/constants.py

@@ -20,15 +20,7 @@ IP_SCHEMA = 'urn:schemas-upnp-org:service:WANIPConnection:1'
 
 service_types = [
     UPNP_ORG_IGD,
-    WIFI_ALLIANCE_ORG_IGD,
-    WAN_SCHEMA,
-    LAYER_SCHEMA,
-    IP_SCHEMA,
-
-
-    CONTROL,
-    SERVICE,
-    DEVICE,
+    # WIFI_ALLIANCE_ORG_IGD,
 ]
 
 SSDP_IP_ADDRESS = '239.255.255.250'

txupnp/dirty_pool.py

@@ -1,94 +0,0 @@
-import logging
-from twisted.web.client import HTTPConnectionPool, _HTTP11ClientFactory
-from twisted.web._newclient import HTTPClientParser, BadResponseVersion, HTTP11ClientProtocol, RequestNotSent
-from twisted.web._newclient import TransportProxyProducer, RequestGenerationFailed
-from twisted.python.failure import Failure
-from twisted.internet.defer import Deferred, fail, maybeDeferred
-from twisted.internet.defer import CancelledError
-
-
-log = logging.getLogger()
-
-
-class DirtyHTTPParser(HTTPClientParser):
-    def parseVersion(self, strversion):
-        """
-        Parse version strings of the form Protocol '/' Major '.' Minor. E.g.
-        b'HTTP/1.1'.  Returns (protocol, major, minor).  Will raise ValueError
-        on bad syntax.
-        """
-        try:
-            proto, strnumber = strversion.split(b'/')
-            major, minor = strnumber.split(b'.')
-            major, minor = int(major), int(minor)
-        except ValueError as e:
-            log.exception("got a bad http version: %s", strversion)
-            if b'HTTP1.1' in strversion:
-                return ("HTTP", 1, 1)
-            raise BadResponseVersion(str(e), strversion)
-        if major < 0 or minor < 0:
-            raise BadResponseVersion(u"version may not be negative",
-                                     strversion)
-        return (proto, major, minor)
-
-
-class DirtyHTTPClientProtocol(HTTP11ClientProtocol):
-    def request(self, request):
-        if self._state != 'QUIESCENT':
-            return fail(RequestNotSent())
-
-        self._state = 'TRANSMITTING'
-        _requestDeferred = maybeDeferred(request.writeTo, self.transport)
-
-        def cancelRequest(ign):
-            # Explicitly cancel the request's deferred if it's still trying to
-            # write when this request is cancelled.
-            if self._state in (
-                    'TRANSMITTING', 'TRANSMITTING_AFTER_RECEIVING_RESPONSE'):
-                _requestDeferred.cancel()
-            else:
-                self.transport.abortConnection()
-                self._disconnectParser(Failure(CancelledError()))
-
-        self._finishedRequest = Deferred(cancelRequest)
-
-        # Keep track of the Request object in case we need to call stopWriting
-        # on it.
-        self._currentRequest = request
-
-        self._transportProxy = TransportProxyProducer(self.transport)
-        self._parser = DirtyHTTPParser(request, self._finishResponse)
-        self._parser.makeConnection(self._transportProxy)
-        self._responseDeferred = self._parser._responseDeferred
-
-        def cbRequestWritten(ignored):
-            if self._state == 'TRANSMITTING':
-                self._state = 'WAITING'
-                self._responseDeferred.chainDeferred(self._finishedRequest)
-
-        def ebRequestWriting(err):
-            if self._state == 'TRANSMITTING':
-                self._state = 'GENERATION_FAILED'
-                self.transport.abortConnection()
-                self._finishedRequest.errback(
-                    Failure(RequestGenerationFailed([err])))
-            else:
-                self._log.failure(
-                    u'Error writing request, but not in valid state '
-                    u'to finalize request: {state}',
-                    failure=err,
-                    state=self._state
-                )
-
-        _requestDeferred.addCallbacks(cbRequestWritten, ebRequestWriting)
-
-        return self._finishedRequest
-
-
-class DirtyHTTP11ClientFactory(_HTTP11ClientFactory):
-    def buildProtocol(self, addr):
-        return DirtyHTTPClientProtocol(self._quiescentCallback)
-
-
-class DirtyPool(HTTPConnectionPool):
-    _factory = DirtyHTTP11ClientFactory

txupnp/gateway.py

@@ -1,23 +1,12 @@
 import logging
 from twisted.internet import defer
-import treq
-import re
-from xml.etree import ElementTree
-from txupnp.util import etree_to_dict, flatten_keys, get_dict_val_case_insensitive
-from txupnp.util import BASE_PORT_REGEX, BASE_ADDRESS_REGEX
-from txupnp.constants import DEVICE, ROOT
+from txupnp.scpd import SCPDCommand, SCPDRequester
+from txupnp.util import get_dict_val_case_insensitive, verify_return_types, BASE_PORT_REGEX, BASE_ADDRESS_REGEX
 from txupnp.constants import SPEC_VERSION
+from txupnp.commands import SCPDCommands
 
 log = logging.getLogger(__name__)
 
-service_type_pattern = re.compile(
-    "(?i)(\{|(urn:schemas-[\w|\d]*-(com|org|net))[:|-](device|service)[:|-]([\w|\d|\:|\-|\_]*)|\})"
-)
-
-xml_root_sanity_pattern = re.compile(
-    "(?i)(\{|(urn:schemas-[\w|\d]*-(com|org|net))[:|-](device|service)[:|-]([\w|\d|\:|\-|\_]*)|\}([\w|\d|\:|\-|\_]*))"
-)
-
 
 class CaseInsensitive:
     def __init__(self, **kwargs):
@@ -112,7 +101,7 @@ class Device(CaseInsensitive):
 
 
 class Gateway:
-    def __init__(self, **kwargs):
+    def __init__(self, reactor, **kwargs):
         flattened = {
             k.lower(): v for k, v in kwargs.items()
         }
@@ -133,9 +122,10 @@ class Gateway:
         self.date = date.encode()
         self.urn = st.encode()
 
+        self._xml_response = ""
+        self._service_descriptors = {}
         self.base_address = BASE_ADDRESS_REGEX.findall(self.location)[0]
         self.port = int(BASE_PORT_REGEX.findall(self.location)[0])
-        self.xml_response = None
         self.spec_version = None
         self.url_base = None
 
@@ -143,55 +133,65 @@ class Gateway:
         self._devices = []
         self._services = []
 
-    def debug_device(self, include_xml: bool = False, include_services: bool = True) -> dict:
-        r = {
-            'server': self.server,
-            'urlBase': self.url_base,
-            'location': self.location,
-            "specVersion": self.spec_version,
-            'usn': self.usn,
-            'urn': self.urn,
-            'devices': [device.as_dict() for device in self._devices]
-        }
-        if include_xml:
-            r['xml_response'] = self.xml_response
-        if include_services:
-            r['services'] = [service.as_dict() for service in self._services]
+        self._reactor = reactor
+        self._unsupported_actions = {}
+        self._registered_commands = {}
+        self.commands = SCPDCommands()
+        self.requester = SCPDRequester(self._reactor)
 
+    def as_dict(self) -> dict:
+        r = {
+            'server': self.server.decode(),
+            'urlBase': self.url_base,
+            'location': self.location.decode(),
+            "specVersion": self.spec_version,
+            'usn': self.usn.decode(),
+            'urn': self.urn.decode(),
+        }
         return r
 
     @defer.inlineCallbacks
-    def discover_services(self):
-        log.debug("querying %s", self.location)
-        response = yield treq.get(self.location)
-        self.xml_response = yield response.content()
-        if not self.xml_response:
-            log.warning("service sent an empty reply\n%s", self.debug_device())
-        xml_dict = etree_to_dict(ElementTree.fromstring(self.xml_response))
-        schema_key = DEVICE
-        root = ROOT
-        if len(xml_dict) > 1:
-            log.warning(xml_dict.keys())
-        for k in xml_dict.keys():
-            m = xml_root_sanity_pattern.findall(k)
-            if len(m) == 3 and m[1][0] and m[2][5]:
-                schema_key = m[1][0]
-                root = m[2][5]
-                break
-
-        flattened_xml = flatten_keys(xml_dict, "{%s}" % schema_key)[root]
-        self.spec_version = get_dict_val_case_insensitive(flattened_xml, SPEC_VERSION)
-        self.url_base = get_dict_val_case_insensitive(flattened_xml, "urlbase")
-
-        if flattened_xml:
+    def discover_commands(self):
+        response = yield self.requester.scpd_get(self.location.decode().split(self.base_address.decode())[1], self.base_address.decode(), self.port)
+        self.spec_version = get_dict_val_case_insensitive(response, SPEC_VERSION)
+        self.url_base = get_dict_val_case_insensitive(response, "urlbase")
+        if not self.url_base:
+            self.url_base = self.base_address.decode()
+        if response:
             self._device = Device(
-                self._devices, self._services, **get_dict_val_case_insensitive(flattened_xml, "device")
+                self._devices, self._services, **get_dict_val_case_insensitive(response, "device")
             )
-            log.debug("finished setting up root gateway. %i devices and %i services", len(self.devices),
-                          len(self.services))
         else:
             self._device = Device(self._devices, self._services)
-        log.debug("finished setting up gateway:\n%s", self.debug_device())
+        for service_type in self.services.keys():
+            service = self.services[service_type]
+            yield self.register_commands(service)
+
+    @defer.inlineCallbacks
+    def register_commands(self, service: Service):
+        try:
+            action_list = yield self.requester.scpd_get_supported_actions(service, self.base_address.decode(), self.port)
+        except Exception as err:
+            log.exception("failed to register service %s: %s", service.serviceType, str(err))
+            return
+        for name, inputs, outputs in action_list:
+            try:
+                command = SCPDCommand(self.requester, self.base_address, self.port,
+                                      service.controlURL.encode(),
+                                      service.serviceType.encode(), name, inputs, outputs)
+                current = getattr(self.commands, command.method)
+                if hasattr(current, "_return_types"):
+                    command._process_result = verify_return_types(*current._return_types)(command._process_result)
+                setattr(command, "__doc__", current.__doc__)
+                setattr(self.commands, command.method, command)
+                self._registered_commands[command.method] = service.serviceType
+                log.debug("registered %s::%s", service.serviceType, command.method)
+            except AttributeError:
+                s = self._unsupported_actions.get(service.serviceType, [])
+                s.append(name)
+                self._unsupported_actions[service.serviceType] = s
+                log.debug("available command for %s does not have a wrapper implemented: %s %s %s",
+                          service.serviceType, name, inputs, outputs)
 
     @property
     def services(self) -> dict:
@@ -205,7 +205,13 @@ class Gateway:
             return {}
         return {device.udn: device for device in self._devices}
 
-    def get_service(self, service_type) -> Service:
+    def get_service(self, service_type: str) -> Service:
         for service in self._services:
             if service.serviceType.lower() == service_type.lower():
                 return service
+
+    def debug_commands(self):
+        return {
+            'available': self._registered_commands,
+            'failed': self._unsupported_actions
+        }

txupnp/mocks.py

@@ -1,44 +1,118 @@
+import os
+import json
 import logging
-import binascii
-from twisted.internet import task
-from txupnp.constants import SSDP_IP_ADDRESS
-from txupnp.fault import UPnPError
-from txupnp.ssdp_datagram import SSDPDatagram
+from twisted.internet import task, defer
+from twisted.internet.error import ConnectionDone
 from twisted.internet.protocol import DatagramProtocol
+from twisted.python.failure import Failure
+from twisted.test.proto_helpers import _FakePort
+from txupnp.ssdp_datagram import SSDPDatagram
 
 log = logging.getLogger()
 
 
+class MockResponse:
+    def __init__(self, content):
+        self._content = content
+        self.headers = {}
+
+    def content(self):
+        return defer.succeed(self._content)
+
+
+class MockDevice:
+    def __init__(self, manufacturer, model):
+        self.manufacturer = manufacturer
+        self.model = model
+        device_path = os.path.join(
+            os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "tests", "devices"), "{} {}".format(manufacturer, model)
+        )
+        assert os.path.isfile(device_path)
+        with open(device_path, "r") as f:
+            self.device_dict = json.loads(f.read())
+
+    def __repr__(self):
+        return "MockDevice(manufacturer={}, model={})".format(self.manufacturer, self.model)
+
+
+def get_mock_devices():
+    return [
+        MockDevice(path.split(" ")[0], path.split(" ")[1])
+        for path in os.listdir(os.path.join(os.path.dirname(os.path.abspath(__file__)), "devices"))
+        if ".py" not in path and "pycache" not in path
+    ]
+
+
+def get_device_test_case(manufacturer: str, model: str) -> MockDevice:
+    r = [
+        MockDevice(path.split(" ")[0], path.split(" ")[1])
+        for path in os.listdir(os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "tests", "devices"))
+        if ".py" not in path and "pycache" not in path and path.split(" ") == [manufacturer, model]
+    ]
+    return r[0]
+
+
 class MockMulticastTransport:
-    def __init__(self, address, port, max_packet_size, network):
+    def __init__(self, address, port, max_packet_size, network, protocol):
         self.address = address
         self.port = port
         self.max_packet_size = max_packet_size
         self._network = network
+        self._protocol = protocol
 
     def write(self, data, address):
-        if address in self._network.peers:
-            for dest in self._network.peers[address]:
-                dest.datagramReceived(data, (self.address, self.port))
-        else:  # the node is sending to an address that doesnt currently exist, act like it never arrived
-            pass
+        if address[0] in self._network.group:
+            destinations = self._network.group[address[0]]
+        else:
+            destinations = address[0]
+        for address, dest in self._network.peers.items():
+            if address[0] in destinations and dest.address != self.address:
+                dest._protocol.datagramReceived(data, (self.address, self.port))
 
     def setTTL(self, ttl):
         pass
 
     def joinGroup(self, address, interface=None):
-        pass
+        group = self._network.group.get(address, [])
+        group.append(interface)
+        self._network.group[address] = group
 
     def leaveGroup(self, address, interface=None):
-        pass
+        group = self._network.group.get(address, [])
+        if interface in group:
+            group.remove(interface)
+            self._network.group[address] = group
 
 
-class MockMulticastPort(object):
-    def __init__(self, protocol, remover):
+class MockTCPTransport(_FakePort):
+    def __init__(self, address, port, callback, mock_requests):
+        super().__init__((address, port))
+        self._callback = callback
+        self._mock_requests = mock_requests
+
+    def write(self, data):
+        if data.startswith(b"POST"):
+            for url, packets in self._mock_requests['POST'].items():
+                for request_response in packets:
+                    if data.decode() == request_response['request']:
+                        self._callback(request_response['response'].encode())
+                        return
+        elif data.startswith(b"GET"):
+            for url, packets in self._mock_requests['GET'].items():
+                if data.decode() == packets['request']:
+                    self._callback(packets['response'].encode())
+                    return
+
+
+class MockMulticastPort(_FakePort):
+    def __init__(self, protocol, remover, address, transport):
+        super().__init__((address, 1900))
         self.protocol = protocol
         self._remover = remover
+        self.transport = transport
 
     def startListening(self, reason=None):
+        self.protocol.transport = self.transport
         return self.protocol.startProtocol()
 
     def stopListening(self, reason=None):
@@ -49,57 +123,55 @@ class MockMulticastPort(object):
 
 class MockNetwork:
     def __init__(self):
-        self.peers = {}  # (interface, port): (protocol, max_packet_size)
+        self.peers = {}
+        self.group = {}
 
     def add_peer(self, port, protocol, interface, maxPacketSize):
-        protocol.transport = MockMulticastTransport(interface, port, maxPacketSize, self)
-        peers = self.peers.get((interface, port), [])
-        peers.append(protocol)
-        self.peers[(interface, port)] = peers
+        transport = MockMulticastTransport(interface, port, maxPacketSize, self, protocol)
+        self.peers[(interface, port)] = transport
 
         def remove_peer():
             if self.peers.get((interface, port)):
-                self.peers[(interface, port)].remove(protocol)
-            if not self.peers.get((interface, port)):
                 del self.peers[(interface, port)]
-            del protocol.transport
-        return remove_peer
+        return transport, remove_peer
 
 
 class MockReactor(task.Clock):
-    def __init__(self):
+    def __init__(self, client_addr, mock_scpd_requests):
         super().__init__()
+        self.client_addr = client_addr
+        self._mock_scpd_requests = mock_scpd_requests
         self.network = MockNetwork()
 
-    def listenMulticast(self, port, protocol, interface=SSDP_IP_ADDRESS, maxPacketSize=8192, listenMultiple=True):
-        remover = self.network.add_peer(port, protocol, interface, maxPacketSize)
-        port = MockMulticastPort(protocol, remover)
+    def listenMulticast(self, port, protocol, interface=None, maxPacketSize=8192, listenMultiple=True):
+        interface = interface or self.client_addr
+        transport, remover = self.network.add_peer(port, protocol, interface, maxPacketSize)
+        port = MockMulticastPort(protocol, remover, interface, transport)
         port.startListening()
         return port
 
+    def connectTCP(self, host, port, factory, timeout=30, bindAddress=None):
+        protocol = factory.buildProtocol(host)
+
+        def _write_and_close(data):
+            protocol.dataReceived(data)
+            protocol.connectionLost(Failure(ConnectionDone()))
+
+        protocol.transport = MockTCPTransport(host, port, _write_and_close, self._mock_scpd_requests)
+        protocol.connectionMade()
+
 
 class MockSSDPServiceGatewayProtocol(DatagramProtocol):
-    def __init__(self, iface, service_name, st, port, location, usn, version):
+    def __init__(self, client_addr: int, iface: str, packets_rx: list, packets_tx: list):
+        self.client_addr = client_addr
         self.iface = iface
-        self.service_name = service_name
-        self.gateway_st = st
-        self.gateway_location = location
-        self.gateway_usn = usn
-        self.gateway_version = version
-        self.gateway_port = port
+        self.packets_tx = [SSDPDatagram.decode(packet.encode()) for packet in packets_tx] # sent by client
+        self.packets_rx = [((addr, port), SSDPDatagram.decode(packet.encode())) for (addr, port), packet in packets_rx] # rx by client
 
     def datagramReceived(self, datagram, address):
-        try:
         packet = SSDPDatagram.decode(datagram)
-        except UPnPError as err:
-            log.error("failed to decode SSDP packet from %s:%i: %s\npacket: %s", address[0], address[1], err,
-                      binascii.hexlify(datagram))
-            return
-
-        if packet._packet_type == packet._M_SEARCH:
-            if packet.man == "ssdp:discover" and packet.st == self.gateway_st:
-                location = 'http://{}:{}/{}'.format(self.iface, self.gateway_port, self.gateway_location)
-                response = SSDPDatagram(SSDPDatagram._OK, st=self.gateway_st, cache_control='max-age=1800',
-                                        location=location, server=self.gateway_version, usn=self.gateway_usn)
-                self.transport.write(response.encode().encode(), address)
-
+        if packet.st in map(lambda p: p[1].st, self.packets_rx):  # this contains one of the service types the server replied to
+            reply = list(filter(lambda p: p[1].st == packet.st, self.packets_rx))[0][1]
+            self.transport.write(reply.encode().encode(), (self.client_addr, 1900))
+        else:
+            pass

txupnp/scpd.py

@@ -1,48 +1,224 @@
+import re
 import logging
-from collections import OrderedDict
-from twisted.internet import defer, threads
-from twisted.web.client import Agent
-import treq
-from treq.client import HTTPClient
 from xml.etree import ElementTree
-from txupnp.util import etree_to_dict, flatten_keys, return_types, verify_return_types, none_or_str, none
+from twisted.internet.protocol import Protocol, ClientFactory
+from twisted.internet import defer, error
+from txupnp.constants import XML_VERSION, DEVICE, ROOT, SERVICE, ENVELOPE, BODY
+from txupnp.util import etree_to_dict, flatten_keys
 from txupnp.fault import handle_fault, UPnPError
-from txupnp.constants import SERVICE, SSDP_IP_ADDRESS, DEVICE, ROOT, service_types, ENVELOPE, XML_VERSION
-from txupnp.constants import BODY, POST
-from txupnp.dirty_pool import DirtyPool
 
 log = logging.getLogger(__name__)
 
+CONTENT_PATTERN = re.compile(
+    "(\<\?xml version=\"1\.0\"\?\>(\s*.)*|\>)".encode()
+)
+CONTENT_NO_XML_VERSION_PATTERN = re.compile(
+    "(\<s\:Envelope xmlns\:s=\"http\:\/\/schemas\.xmlsoap\.org\/soap\/envelope\/\"(\s*.)*\>)".encode()
+)
 
-class StringProducer:
-    def __init__(self, body):
-        self.body = body
-        self.length = len(body)
-
-    def startProducing(self, consumer):
-        consumer.write(self.body)
-        return defer.succeed(None)
-
-    def pauseProducing(self):
-        pass
-
-    def stopProducing(self):
-        pass
+XML_ROOT_SANITY_PATTERN = re.compile(
+    "(?i)(\{|(urn:schemas-[\w|\d]*-(com|org|net))[:|-](device|service)[:|-]([\w|\d|\:|\-|\_]*)|\}([\w|\d|\:|\-|\_]*))"
+)
 
 
-def xml_arg(name, arg):
-    return "<%s>%s</%s>" % (name, arg, name)
+def parse_service_description(content: bytes):
+    element_dict = etree_to_dict(ElementTree.fromstring(content.decode()))
+    service_info = flatten_keys(element_dict, "{%s}" % SERVICE)
+    if "scpd" not in service_info:
+        return []
+    action_list = service_info["scpd"]["actionList"]
+    if not len(action_list):  # it could be an empty string
+        return []
+    result = []
+    if isinstance(action_list["action"], dict):
+        arg_dicts = action_list["action"]['argumentList']['argument']
+        if not isinstance(arg_dicts, list):  # when there is one arg, ew
+            arg_dicts = [arg_dicts]
+        return [[
+            action_list["action"]['name'],
+            [i['name'] for i in arg_dicts if i['direction'] == 'in'],
+            [i['name'] for i in arg_dicts if i['direction'] == 'out']
+        ]]
+    for action in action_list["action"]:
+        if not action.get('argumentList'):
+            result.append((action['name'], [], []))
+        else:
+            arg_dicts = action['argumentList']['argument']
+            if not isinstance(arg_dicts, list):  # when there is one arg, ew
+                arg_dicts = [arg_dicts]
+            result.append((
+                action['name'],
+                [i['name'] for i in arg_dicts if i['direction'] == 'in'],
+                [i['name'] for i in arg_dicts if i['direction'] == 'out']
+            ))
+    return result
 
 
-def get_soap_body(service_name, method, param_names, **kwargs):
-    args = "".join(xml_arg(n, kwargs.get(n)) for n in param_names)
-    return '\n%s\n<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:%s xmlns:u="%s">%s</u:%s></s:Body></s:Envelope>' % (XML_VERSION, method, service_name, args, method)
+class SCPDHTTPClientProtocol(Protocol):
+    def connectionMade(self):
+        self.response_buff = b""
+        self.factory.reactor.callLater(0, self.transport.write, self.factory.packet)
+
+    def dataReceived(self, data):
+        self.response_buff += data
+
+    def connectionLost(self, reason):
+        if reason.trap(error.ConnectionDone):
+            if XML_VERSION.encode() in self.response_buff:
+                parsed = CONTENT_PATTERN.findall(self.response_buff)
+                result = b'' if not parsed else parsed[0][0]
+                self.factory.finished_deferred.callback(result)
+            else:
+                parsed = CONTENT_NO_XML_VERSION_PATTERN.findall(self.response_buff)
+                result = b'' if not parsed else XML_VERSION.encode() + b'\r\n' + parsed[0][0]
+                self.factory.finished_deferred.callback(result)
 
 
-class _SCPDCommand(object):
-    def __init__(self, http_client, gateway_address, service_port, control_url, service_id, method, param_names,
+class SCPDHTTPClientFactory(ClientFactory):
+    protocol = SCPDHTTPClientProtocol
+
+    def __init__(self, reactor, packet):
+        self.reactor = reactor
+        self.finished_deferred = defer.Deferred()
+        self.packet = packet
+
+    def buildProtocol(self, addr):
+        p = self.protocol()
+        p.factory = self
+        return p
+
+    @classmethod
+    def post(cls, reactor, command, **kwargs):
+        args = "".join("<%s>%s</%s>" % (n, kwargs.get(n), n) for n in command.param_names)
+        soap_body = ('\r\n%s\r\n<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" '
+                     's:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body>'
+                     '<u:%s xmlns:u="%s">%s</u:%s></s:Body></s:Envelope>' % (
+                     XML_VERSION, command.method, command.service_id.decode(),
+                     args, command.method))
+        data = (
+                (
+                    'POST %s HTTP/1.1\r\n'
+                    'Host: %s\r\n'
+                    'User-Agent: Debian/buster/sid, UPnP/1.0, MiniUPnPc/1.9\r\n'
+                    'Content-Length: %i\r\n'
+                    'Content-Type: text/xml\r\n'
+                    'SOAPAction: \"%s#%s\"\r\n'
+                    'Connection: Close\r\n'
+                    'Cache-Control: no-cache\r\n'
+                    'Pragma: no-cache\r\n'
+                    '%s'
+                    '\r\n'
+                ) % (
+                    command.control_url.decode(),  # could be just / even if it shouldn't be
+                    command.gateway_address.decode().split("http://")[1],
+                    len(soap_body),
+                    command.service_id.decode(),  # maybe no quotes
+                    command.method,
+                    soap_body
+                )
+        ).encode()
+        return cls(reactor, data)
+
+    @classmethod
+    def get(cls, reactor, control_url: str, address: str):
+        data = (
+                (
+                    'GET %s HTTP/1.1\r\n'
+                    'Accept-Encoding: gzip\r\n'
+                    'Host: %s\r\n'
+                    '\r\n'
+                ) % (control_url, address)
+        ).encode()
+        return cls(reactor, data)
+
+
+class SCPDRequester:
+    client_factory = SCPDHTTPClientFactory
+
+    def __init__(self, reactor):
+        self._reactor = reactor
+        self._get_requests = {}
+        self._post_requests = {}
+
+    def _save_get(self, request: bytes, response: bytes, destination: str) -> None:
+        self._get_requests[destination.lstrip("/")] = {
+            'request': request,
+            'response': response
+        }
+
+    def _save_post(self, request: bytes, response: bytes, destination: str) -> None:
+        p = self._post_requests.get(destination.lstrip("/"), [])
+        p.append({
+            'request': request,
+            'response': response,
+        })
+        self._post_requests[destination.lstrip("/")] = p
+
+    @defer.inlineCallbacks
+    def _scpd_get_soap_xml(self, control_url: str, address: str, service_port: int) -> bytes:
+        factory = self.client_factory.get(self._reactor, control_url, address)
+        url = address.split("http://")[1].split(":")[0]
+        self._reactor.connectTCP(url, service_port, factory)
+        xml_response_bytes = yield factory.finished_deferred
+        self._save_get(factory.packet, xml_response_bytes, control_url)
+        return xml_response_bytes
+
+    @defer.inlineCallbacks
+    def scpd_post_soap(self, command, **kwargs) -> tuple:
+        factory = self.client_factory.post(self._reactor, command, **kwargs)
+        url = command.gateway_address.split(b"http://")[1].split(b":")[0]
+        self._reactor.connectTCP(url.decode(), command.service_port, factory)
+        xml_response_bytes = yield factory.finished_deferred
+        self._save_post(
+            factory.packet, xml_response_bytes, command.gateway_address.decode() + command.control_url.decode()
+        )
+        content_dict = etree_to_dict(ElementTree.fromstring(xml_response_bytes.decode()))
+        envelope = content_dict[ENVELOPE]
+        response_body = flatten_keys(envelope[BODY], "{%s}" % command.service_id)
+        body = handle_fault(response_body)  # raises UPnPError if there is a fault
+        response_key = None
+        for key in body:
+            if command.method in key:
+                response_key = key
+                break
+        if not response_key:
+            raise UPnPError("unknown response fields for %s")
+        response = body[response_key]
+        extracted_response = tuple([response[n] for n in command.returns])
+        return extracted_response
+
+    @defer.inlineCallbacks
+    def scpd_get_supported_actions(self, service, address: str, port: int) -> list:
+        xml_bytes = yield self._scpd_get_soap_xml(service.SCPDURL, address, port)
+        return parse_service_description(xml_bytes)
+
+    @defer.inlineCallbacks
+    def scpd_get(self, control_url: str, service_address: str, service_port: int) -> dict:
+        xml_bytes = yield self._scpd_get_soap_xml(control_url, service_address, service_port)
+        xml_dict = etree_to_dict(ElementTree.fromstring(xml_bytes.decode()))
+        schema_key = DEVICE
+        root = ROOT
+        for k in xml_dict.keys():
+            m = XML_ROOT_SANITY_PATTERN.findall(k)
+            if len(m) == 3 and m[1][0] and m[2][5]:
+                schema_key = m[1][0]
+                root = m[2][5]
+                break
+        flattened_xml = flatten_keys(xml_dict, "{%s}" % schema_key)[root]
+        return flattened_xml
+
+    def dump_packets(self) -> dict:
+        return {
+            'GET': self._get_requests,
+            'POST': self._post_requests
+        }
+
+
+class SCPDCommand:
+    def __init__(self, scpd_requester: SCPDRequester, gateway_address, service_port, control_url, service_id, method,
+                 param_names,
                  returns):
-        self._http_client = http_client
+        self.scpd_requester = scpd_requester
         self.gateway_address = gateway_address
         self.service_port = service_port
         self.control_url = control_url
@@ -51,59 +227,8 @@ class _SCPDCommand(object):
         self.param_names = param_names
         self.returns = returns
 
-    def extract_body(self, xml_response):
-        content_dict = etree_to_dict(ElementTree.fromstring(xml_response))
-        envelope = content_dict[ENVELOPE]
-        return flatten_keys(envelope[BODY], "{%s}" % self.service_id)
-
-    def extract_response(self, body):
-        body = handle_fault(body)  # raises UPnPError if there is a fault
-        response_key = None
-        for key in body:
-            if self.method in key:
-                response_key = key
-                break
-        if not response_key:
-            raise UPnPError("unknown response fields for %s")
-        response = body[response_key]
-        extracted_response = tuple([response[n] for n in self.returns])
-        if len(extracted_response) == 1:
-            return extracted_response[0]
-        return extracted_response
-
-    @defer.inlineCallbacks
-    def send_upnp_soap(self, **kwargs):
-        soap_body = get_soap_body(self.service_id, self.method, self.param_names, **kwargs).encode()
-        headers = OrderedDict((
-            ('SOAPAction', '%s#%s' % (self.service_id, self.method)),
-            ('Host', ('%s:%i' % (SSDP_IP_ADDRESS, self.service_port))),
-            ('Content-Type', 'text/xml'),
-            ('Content-Length', len(soap_body))
-        ))
-        log.debug("send POST to %s\nheaders: %s\nbody:%s\n", self.control_url, headers, soap_body)
-        try:
-            response = yield self._http_client.request(
-                POST, url=self.control_url, data=soap_body, headers=headers
-            )
-        except Exception as err:
-            log.error("error (%s) sending POST to %s\nheaders: %s\nbody:%s\n", err, self.control_url, headers,
-                      soap_body)
-            raise UPnPError(err)
-
-        xml_response = yield response.content()
-        try:
-            response = self.extract_response(self.extract_body(xml_response))
-        except UPnPError:
-            raise
-        except Exception as err:
-            log.debug("error extracting response (%s) to %s:\n%s", err, self.method, xml_response)
-            raise err
-        if not response:
-            log.debug("empty response to %s\n%s", self.method, xml_response)
-        defer.returnValue(response)
-
     @staticmethod
-    def _process_result(results):
+    def _process_result(*results):
         """
         this method gets decorated automatically with a function that maps result types to the types
         defined in the @return_types decorator
@@ -114,367 +239,10 @@ class _SCPDCommand(object):
     def __call__(self, **kwargs):
         if set(kwargs.keys()) != set(self.param_names):
             raise Exception("argument mismatch: %s vs %s" % (kwargs.keys(), self.param_names))
-        response = yield self.send_upnp_soap(**kwargs)
+        response = yield self.scpd_requester.scpd_post_soap(self, **kwargs)
         try:
-            result = self._process_result(response)
+            result = self._process_result(*response)
         except Exception as err:
             log.error("error formatting response (%s):\n%s", err, response)
             raise err
         defer.returnValue(result)
-
-
-class SCPDResponse(object):
-    def __init__(self, url, headers, content):
-        self.url = url
-        self.headers = headers
-        self.content = content
-
-    def get_element_tree(self):
-        return ElementTree.fromstring(self.content)
-
-    def get_element_dict(self, service_key):
-        return flatten_keys(etree_to_dict(self.get_element_tree()), "{%s}" % service_key)
-
-    def get_action_list(self):
-        return self.get_element_dict(SERVICE)["scpd"]["actionList"]["action"]
-
-    def get_device_info(self):
-        return self.get_element_dict(DEVICE)[ROOT]
-
-
-class SCPDCommandRunner(object):
-    def __init__(self, gateway, reactor, treq_get=None):
-        self._gateway = gateway
-        self._unsupported_actions = {}
-        self._registered_commands = {}
-        self._reactor = reactor
-        self._connection_pool = DirtyPool(reactor)
-        self._agent = Agent(reactor, connectTimeout=1, pool=self._connection_pool)
-        self._http_client = HTTPClient(self._agent, data_to_body_producer=StringProducer)
-        self._treq_get = treq_get or treq.get
-
-    @defer.inlineCallbacks
-    def _discover_commands(self, service):
-        scpd_url = self._gateway.base_address + service.SCPDURL.encode()
-        response = yield self._treq_get(scpd_url)
-        content = yield response.content()
-        try:
-            scpd_response = SCPDResponse(scpd_url, response.headers, content)
-            for action_dict in scpd_response.get_action_list():
-                self._register_command(action_dict, service.serviceType)
-        except Exception as err:
-            log.exception("failed to parse scpd response (%s) from %s\nheaders:\n%s\ncontent\n%s",
-                          err, scpd_url, response.headers, content)
-        defer.returnValue(None)
-
-    @defer.inlineCallbacks
-    def discover_commands(self):
-        for service_type in service_types:
-            service = self._gateway.get_service(service_type)
-            if not service:
-                continue
-            yield self._discover_commands(service)
-        log.debug(self.debug_commands())
-
-    @staticmethod
-    def _soap_function_info(action_dict):
-        if not action_dict.get('argumentList'):
-            return (
-                action_dict['name'],
-                [],
-                []
-            )
-        arg_dicts = action_dict['argumentList']['argument']
-        if not isinstance(arg_dicts, list):  # when there is one arg, ew
-            arg_dicts = [arg_dicts]
-        return (
-            action_dict['name'],
-            [i['name'] for i in arg_dicts if i['direction'] == 'in'],
-            [i['name'] for i in arg_dicts if i['direction'] == 'out']
-        )
-
-    def _patch_command(self, action_info, service_type):
-        name, inputs, outputs = self._soap_function_info(action_info)
-        command = _SCPDCommand(self._http_client, self._gateway.base_address, self._gateway.port,
-                               self._gateway.base_address + self._gateway.get_service(service_type).controlURL.encode(),
-                               self._gateway.get_service(service_type).serviceType.encode(), name, inputs, outputs)
-        current = getattr(self, command.method)
-        if hasattr(current, "_return_types"):
-            command._process_result = verify_return_types(*current._return_types)(command._process_result)
-        setattr(command, "__doc__", current.__doc__)
-        setattr(self, command.method, command)
-        self._registered_commands[command.method] = service_type
-        log.debug("registered %s %s", service_type, action_info['name'])
-        return True
-
-    def _register_command(self, action_info, service_type):
-        try:
-            return self._patch_command(action_info, service_type)
-        except Exception as err:
-            s = self._unsupported_actions.get(service_type, [])
-            s.append((action_info, err))
-            self._unsupported_actions[service_type] = s
-            log.error("available command for %s does not have a wrapper implemented: %s", service_type, action_info)
-
-    def debug_commands(self):
-        return {
-            'available': self._registered_commands,
-            'failed': self._unsupported_actions
-        }
-
-    @staticmethod
-    @return_types(none)
-    def AddPortMapping(NewRemoteHost, NewExternalPort, NewProtocol, NewInternalPort, NewInternalClient,
-                       NewEnabled, NewPortMappingDescription, NewLeaseDuration=''):
-        """Returns None"""
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(bool, bool)
-    def GetNATRSIPStatus():
-        """Returns (NewRSIPAvailable, NewNATEnabled)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(none_or_str, int, str, int, str, bool, str, int)
-    def GetGenericPortMappingEntry(NewPortMappingIndex):
-        """
-        Returns (NewRemoteHost, NewExternalPort, NewProtocol, NewInternalPort, NewInternalClient, NewEnabled,
-                 NewPortMappingDescription, NewLeaseDuration)
-        """
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(int, str, bool, str, int)
-    def GetSpecificPortMappingEntry(NewRemoteHost, NewExternalPort, NewProtocol):
-        """Returns (NewInternalPort, NewInternalClient, NewEnabled, NewPortMappingDescription, NewLeaseDuration)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(none)
-    def SetConnectionType(NewConnectionType):
-        """Returns None"""
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(str)
-    def GetExternalIPAddress():
-        """Returns (NewExternalIPAddress)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(str, str)
-    def GetConnectionTypeInfo():
-        """Returns (NewConnectionType, NewPossibleConnectionTypes)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(str, str, int)
-    def GetStatusInfo():
-        """Returns (NewConnectionStatus, NewLastConnectionError, NewUptime)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(none)
-    def ForceTermination():
-        """Returns None"""
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(none)
-    def DeletePortMapping(NewRemoteHost, NewExternalPort, NewProtocol):
-        """Returns None"""
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(none)
-    def RequestConnection():
-        """Returns None"""
-        raise NotImplementedError()
-
-    @staticmethod
-    def GetCommonLinkProperties():
-        """Returns (NewWANAccessType, NewLayer1UpstreamMaxBitRate, NewLayer1DownstreamMaxBitRate, NewPhysicalLinkStatus)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    def GetTotalBytesSent():
-        """Returns (NewTotalBytesSent)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    def GetTotalBytesReceived():
-        """Returns (NewTotalBytesReceived)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    def GetTotalPacketsSent():
-        """Returns (NewTotalPacketsSent)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    def GetTotalPacketsReceived():
-        """Returns (NewTotalPacketsReceived)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    def X_GetICSStatistics():
-        """Returns (TotalBytesSent, TotalBytesReceived, TotalPacketsSent, TotalPacketsReceived, Layer1DownstreamMaxBitRate, Uptime)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    def GetDefaultConnectionService():
-        """Returns (NewDefaultConnectionService)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    def SetDefaultConnectionService(NewDefaultConnectionService):
-        """Returns (None)"""
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(none)
-    def SetEnabledForInternet(NewEnabledForInternet):
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(bool)
-    def GetEnabledForInternet():
-        raise NotImplementedError()
-
-    @staticmethod
-    def GetMaximumActiveConnections(NewActiveConnectionIndex):
-        raise NotImplementedError()
-
-    @staticmethod
-    @return_types(str, str)
-    def GetActiveConnections():
-        """Returns (NewActiveConnDeviceContainer, NewActiveConnectionServiceID"""
-        raise NotImplementedError()
-
-
-class UPnPFallback(object):
-    def __init__(self):
-        try:
-            import miniupnpc
-            self._upnp = miniupnpc.UPnP()
-            self.available = True
-        except ImportError:
-            self._upnp = None
-            self.available = False
-
-    @defer.inlineCallbacks
-    def discover(self):
-        if not self.available:
-            raise NotImplementedError()
-        devices = yield threads.deferToThread(self._upnp.discover)
-        if devices:
-            self.device_url = yield threads.deferToThread(self._upnp.selectigd)
-        else:
-            self.device_url = None
-
-        defer.returnValue(devices > 0)
-
-    @return_types(none)
-    def AddPortMapping(self, NewRemoteHost, NewExternalPort, NewProtocol, NewInternalPort, NewInternalClient,
-                       NewEnabled, NewPortMappingDescription, NewLeaseDuration=''):
-        """Returns None"""
-        if not self.available:
-            raise NotImplementedError()
-        return threads.deferToThread(self._upnp.addportmapping, NewExternalPort, NewProtocol, NewInternalClient,
-                                     NewInternalPort, NewPortMappingDescription, NewLeaseDuration)
-
-    def GetNATRSIPStatus(self):
-        """Returns (NewRSIPAvailable, NewNATEnabled)"""
-        raise NotImplementedError()
-
-    @return_types(none_or_str, int, str, int, str, bool, str, int)
-    @defer.inlineCallbacks
-    def GetGenericPortMappingEntry(self, NewPortMappingIndex):
-        """
-        Returns (NewRemoteHost, NewExternalPort, NewProtocol, NewInternalPort, NewInternalClient, NewEnabled,
-                 NewPortMappingDescription, NewLeaseDuration)
-        """
-        if not self.available:
-            raise NotImplementedError()
-        result = yield threads.deferToThread(self._upnp.getgenericportmapping, NewPortMappingIndex)
-        if not result:
-            raise UPnPError()
-        ext_port, protocol, (int_host, int_port), desc, enabled, remote_host, lease = result
-        defer.returnValue((remote_host, ext_port, protocol, int_port, int_host, enabled, desc, lease))
-
-    @return_types(int, str, bool, str, int)
-    def GetSpecificPortMappingEntry(self, NewRemoteHost, NewExternalPort, NewProtocol):
-        """Returns (NewInternalPort, NewInternalClient, NewEnabled, NewPortMappingDescription, NewLeaseDuration)"""
-        if not self.available:
-            raise NotImplementedError()
-        return threads.deferToThread(self._upnp.getspecificportmapping, NewExternalPort, NewProtocol)
-
-    def SetConnectionType(self, NewConnectionType):
-        """Returns None"""
-        raise NotImplementedError()
-
-    @return_types(str)
-    def GetExternalIPAddress(self):
-        """Returns (NewExternalIPAddress)"""
-        if not self.available:
-            raise NotImplementedError()
-        return threads.deferToThread(self._upnp.externalipaddress)
-
-    def GetConnectionTypeInfo(self):
-        """Returns (NewConnectionType, NewPossibleConnectionTypes)"""
-        raise NotImplementedError()
-
-    @return_types(str, str, int)
-    def GetStatusInfo(self):
-        """Returns (NewConnectionStatus, NewLastConnectionError, NewUptime)"""
-        if not self.available:
-            raise NotImplementedError()
-        return threads.deferToThread(self._upnp.statusinfo)
-
-    def ForceTermination(self):
-        """Returns None"""
-        raise NotImplementedError()
-
-    @return_types(none)
-    def DeletePortMapping(self, NewRemoteHost, NewExternalPort, NewProtocol):
-        """Returns None"""
-        if not self.available:
-            raise NotImplementedError()
-        return threads.deferToThread(self._upnp.deleteportmapping, NewExternalPort, NewProtocol)
-
-    def RequestConnection(self):
-        """Returns None"""
-        raise NotImplementedError()
-
-    def GetCommonLinkProperties(self):
-        """Returns (NewWANAccessType, NewLayer1UpstreamMaxBitRate, NewLayer1DownstreamMaxBitRate, NewPhysicalLinkStatus)"""
-        raise NotImplementedError()
-
-    def GetTotalBytesSent(self):
-        """Returns (NewTotalBytesSent)"""
-        raise NotImplementedError()
-
-    def GetTotalBytesReceived(self):
-        """Returns (NewTotalBytesReceived)"""
-        raise NotImplementedError()
-
-    def GetTotalPacketsSent(self):
-        """Returns (NewTotalPacketsSent)"""
-        raise NotImplementedError()
-
-    def GetTotalPacketsReceived(self):
-        """Returns (NewTotalPacketsReceived)"""
-        raise NotImplementedError()
-
-    def X_GetICSStatistics(self):
-        """Returns (TotalBytesSent, TotalBytesReceived, TotalPacketsSent, TotalPacketsReceived, Layer1DownstreamMaxBitRate, Uptime)"""
-        raise NotImplementedError()
-
-    def GetDefaultConnectionService(self):
-        """Returns (NewDefaultConnectionService)"""
-        raise NotImplementedError()
-
-    def SetDefaultConnectionService(self, NewDefaultConnectionService):
-        """Returns (None)"""
-        raise NotImplementedError()

txupnp/soap.py

@@ -1,79 +0,0 @@
-import logging
-import netifaces
-from twisted.internet import defer
-from txupnp.ssdp import SSDPFactory
-from txupnp.scpd import SCPDCommandRunner
-from txupnp.gateway import Gateway
-from txupnp.fault import UPnPError
-from txupnp.constants import UPNP_ORG_IGD
-
-log = logging.getLogger(__name__)
-
-
-class SOAPServiceManager(object):
-    def __init__(self, reactor, treq_get=None):
-        self._reactor = reactor
-        self.router_ip, self.iface_name = netifaces.gateways()['default'][netifaces.AF_INET]
-        self.lan_address = netifaces.ifaddresses(self.iface_name)[netifaces.AF_INET][0]['addr']
-        self.sspd_factory = SSDPFactory(self._reactor, self.lan_address, self.router_ip)
-        self._command_runners = {}
-        self._selected_runner = UPNP_ORG_IGD
-        self._treq_get = treq_get
-
-    @defer.inlineCallbacks
-    def discover_services(self, address=None, timeout=30, max_devices=1):
-        server_infos = yield self.sspd_factory.m_search(
-            address or self.router_ip, timeout=timeout, max_devices=max_devices
-        )
-        locations = []
-        for server_info in server_infos:
-            if 'st' in server_info and server_info['st'] not in self._command_runners:
-                locations.append(server_info['location'])
-                gateway = Gateway(**server_info)
-                yield gateway.discover_services()
-                command_runner = SCPDCommandRunner(gateway, self._reactor, self._treq_get)
-                yield command_runner.discover_commands()
-                self._command_runners[gateway.urn.decode()] = command_runner
-            elif 'st' not in server_info:
-                log.error("don't know how to handle gateway: %s", server_info)
-                continue
-        defer.returnValue(len(self._command_runners) > 0)
-
-    def set_runner(self, urn):
-        if urn not in self._command_runners:
-            raise IndexError(urn)
-        self._command_runners = urn
-
-    def get_runner(self):
-        if self._command_runners and not self._selected_runner in self._command_runners:
-            self._selected_runner = list(self._command_runners.keys())[0]
-        if not self._command_runners:
-            raise UPnPError("no devices found")
-        return self._command_runners[self._selected_runner]
-
-    def get_available_runners(self):
-        return self._command_runners.keys()
-
-    def debug(self, include_gateway_xml=False):
-        results = []
-        for runner in self._command_runners.values():
-            gateway = runner._gateway
-            info = gateway.debug_device(include_xml=include_gateway_xml)
-            commands = runner.debug_commands()
-            service_result = []
-            for service in info['services']:
-                service_commands = []
-                unavailable = []
-                for command, service_type in commands['available'].items():
-                    if service['serviceType'] == service_type:
-                        service_commands.append(command)
-                for command, service_type in commands['failed'].items():
-                    if service['serviceType'] == service_type:
-                        unavailable.append(command)
-                services_with_commands = dict(service)
-                services_with_commands['available_commands'] = service_commands
-                services_with_commands['unavailable_commands'] = unavailable
-                service_result.append(services_with_commands)
-            info['services'] = service_result
-            results.append(info)
-        return results

txupnp/ssdp.py

@@ -12,7 +12,8 @@ log = logging.getLogger(__name__)
 
 class SSDPProtocol(DatagramProtocol):
     def __init__(self, reactor, iface, router, ssdp_address=SSDP_IP_ADDRESS,
-                 ssdp_port=SSDP_PORT, ttl=1, max_devices=None):
+                 ssdp_port=SSDP_PORT, ttl=1, max_devices=None, debug_packets=False,
+                 debug_sent=None, debug_received=None):
         self._reactor = reactor
         self._sem = defer.DeferredSemaphore(1)
         self.discover_callbacks = {}
@@ -24,34 +25,36 @@ class SSDPProtocol(DatagramProtocol):
         self._start = None
         self.max_devices = max_devices
         self.devices = []
+        self.debug_packets = debug_packets
+        self.debug_sent = debug_sent if debug_sent is not None else []
+        self.debug_received = debug_received if debug_sent is not None else []
 
     def _send_m_search(self, service=UPNP_ORG_IGD):
         packet = SSDPDatagram(SSDPDatagram._M_SEARCH, host=SSDP_HOST, st=service, man=SSDP_DISCOVER, mx=1)
         log.debug("sending packet to %s:\n%s", SSDP_HOST, packet.encode())
         try:
-            self.transport.write(packet.encode().encode(), (self.ssdp_address, self.ssdp_port))
+            msg_bytes = packet.encode().encode()
+            if self.debug_packets:
+                self.debug_sent.append(msg_bytes)
+            self.transport.write(msg_bytes, (self.ssdp_address, self.ssdp_port))
         except Exception as err:
             log.exception("failed to write %s to %s:%i", packet.encode(), self.ssdp_address, self.ssdp_port)
             raise err
 
     @staticmethod
-    def _gather(finished_deferred, max_results):
-        results = []
-
+    def _gather(finished_deferred, max_results, results: list):
         def discover_cb(packet):
-            if not finished_deferred.called:
+            if not finished_deferred.called and packet.st in service_types:
                 results.append(packet.as_dict())
                 if len(results) >= max_results:
                     finished_deferred.callback(results)
 
         return discover_cb
 
-    def m_search(self, address=None, timeout=1, max_devices=1):
-        address = address or self.iface
-
+    def m_search(self, address, timeout, max_devices):
         # return deferred for a pending call if we have one
         if address in self.discover_callbacks:
-            d = self.protocol.discover_callbacks[address][1]
+            d = self.discover_callbacks[address][1]
             if not d.called:  # the existing deferred has already fired, make a new one
                 return d
 
@@ -63,7 +66,7 @@ class SSDPProtocol(DatagramProtocol):
         d = defer.Deferred()
         d.addTimeout(timeout, self._reactor)
         d.addErrback(_trap_timeout_and_return_results)
-        found_cb = self._gather(d, max_devices)
+        found_cb = self._gather(d, max_devices, self.devices)
         self.discover_callbacks[address] = found_cb, d
         for st in service_types:
             self._send_m_search(service=st)
@@ -73,11 +76,12 @@ class SSDPProtocol(DatagramProtocol):
         self._start = self._reactor.seconds()
         self.transport.setTTL(self.ttl)
         self.transport.joinGroup(self.ssdp_address, interface=self.iface)
-        self.m_search()
 
     def datagramReceived(self, datagram, address):
         if address[0] == self.iface:
             return
+        if self.debug_packets:
+            self.debug_received.append((address, datagram))
         try:
             packet = SSDPDatagram.decode(datagram)
             log.debug("decoded %s from %s:%i:\n%s", packet.get_friendly_name(), address[0], address[1], packet.encode())
@@ -90,23 +94,30 @@ class SSDPProtocol(DatagramProtocol):
             return
         if packet._packet_type == packet._OK:
             log.debug("%s:%i replied to our m-search with new xml url: %s", address[0], address[1], packet.location)
-            if packet.st not in map(lambda p: p['st'], self.devices):
+            # if address[0] in self.discover_callbacks and packet.location not in map(lambda p: p['location'], self.devices):
+            if packet.location not in map(lambda p: p['location'], self.devices):
+                if address[0] not in self.discover_callbacks:
                     self.devices.append(packet.as_dict())
-                log.debug("%i device%s so far", len(self.devices), "" if len(self.devices) < 2 else "s")
-                if address[0] in self.discover_callbacks:
+                else:
                     self._sem.run(self.discover_callbacks[address[0]][0], packet)
+            else:
+                log.info("ignored packet from %s:%s (%s) %s", address[0], address[1], packet._packet_type, packet.location)
         elif packet._packet_type == packet._NOTIFY:
             log.debug("%s:%i sent us a notification (type: %s), url: %s", address[0], address[1], packet.nts,
                       packet.location)
 
 
-class SSDPFactory(object):
-    def __init__(self, reactor, lan_address, router_address):
+class SSDPFactory:
+    def __init__(self, reactor, lan_address, router_address, debug_packets=False):
         self.lan_address = lan_address
         self.router_address = router_address
         self._reactor = reactor
         self.protocol = None
         self.port = None
+        self.debug_packets = debug_packets
+        self.debug_sent = []
+        self.debug_received = []
+        self.server_infos = []
 
     def disconnect(self):
         if not self.port:
@@ -118,13 +129,15 @@ class SSDPFactory(object):
 
     def connect(self):
         if not self.protocol:
-            self.protocol = SSDPProtocol(self._reactor, self.lan_address, self.router_address)
+            self.protocol = SSDPProtocol(self._reactor, self.lan_address, self.router_address,
+                                         debug_packets=self.debug_packets, debug_sent=self.debug_sent,
+                                         debug_received=self.debug_received)
         if not self.port:
             self._reactor.addSystemEventTrigger("before", "shutdown", self.disconnect)
             self.port = self._reactor.listenMulticast(self.protocol.ssdp_port, self.protocol, listenMultiple=True)
 
     @defer.inlineCallbacks
-    def m_search(self, address, timeout=1, max_devices=1):
+    def m_search(self, address, timeout, max_devices):
         """
         Perform a M-SEARCH (HTTP over UDP) and gather the results
 
@@ -140,7 +153,16 @@ class SSDPFactory(object):
             'usn': (str) usn
         }, ...]
         """
-
         self.connect()
         server_infos = yield self.protocol.m_search(address, timeout, max_devices)
+        for server_info in server_infos:
+            self.server_infos.append(server_info)
         defer.returnValue(server_infos)
+
+    def get_ssdp_packet_replay(self) -> dict:
+        return {
+            'lan_address': self.lan_address,
+            'router_address': self.router_address,
+            'sent': self.debug_sent,
+            'received': self.debug_received,
+        }

txupnp/upnp.py

@@ -1,45 +1,29 @@
+import netifaces
 import logging
-import json
 from twisted.internet import defer
 from txupnp.fault import UPnPError
-from txupnp.soap import SOAPServiceManager
-from txupnp.scpd import UPnPFallback
+from txupnp.ssdp import SSDPFactory
+from txupnp.gateway import Gateway
 
 log = logging.getLogger(__name__)
 
 
-class UPnP(object):
-    def __init__(self, reactor, try_miniupnpc_fallback=True, treq_get=None):
+class UPnP:
+    def __init__(self, reactor, try_miniupnpc_fallback=False, debug_ssdp=False, router_ip=None,
+                 lan_ip=None, iface_name=None):
         self._reactor = reactor
+        if router_ip and lan_ip and iface_name:
+            self.router_ip, self.lan_address, self.iface_name = router_ip, lan_ip, iface_name
+        else:
+            self.router_ip, self.iface_name = netifaces.gateways()['default'][netifaces.AF_INET]
+            self.lan_address = netifaces.ifaddresses(self.iface_name)[netifaces.AF_INET][0]['addr']
+        self.sspd_factory = SSDPFactory(self._reactor, self.lan_address, self.router_ip, debug_packets=debug_ssdp)
         self.try_miniupnpc_fallback = try_miniupnpc_fallback
-        self.soap_manager = SOAPServiceManager(reactor, treq_get=treq_get)
         self.miniupnpc_runner = None
         self.miniupnpc_igd_url = None
+        self.gateway = None
 
-    @property
-    def lan_address(self):
-        return self.soap_manager.lan_address
-
-    @property
-    def commands(self):
-        try:
-            runner = self.soap_manager.get_runner()
-            required_commands = [
-                "GetExternalIPAddress",
-                "AddPortMapping",
-                "GetSpecificPortMappingEntry",
-                "GetGenericPortMappingEntry",
-                "DeletePortMapping"
-            ]
-            if all((command in runner._registered_commands for command in required_commands)):
-                return runner
-            raise UPnPError("required commands not found")
-        except UPnPError as err:
-            if self.try_miniupnpc_fallback and self.miniupnpc_runner:
-                return self.miniupnpc_runner
-            log.warning("upnp is not available: %s", err)
-
-    def m_search(self, address, timeout=30, max_devices=2):
+    def m_search(self, address, timeout=1, max_devices=1):
         """
         Perform a HTTP over UDP M-SEARCH query
 
@@ -51,68 +35,52 @@ class UPnP(object):
             'usn': <usn>
         }, ...]
         """
-        return self.soap_manager.sspd_factory.m_search(address, timeout=timeout, max_devices=max_devices)
+        return self.sspd_factory.m_search(address, timeout=timeout, max_devices=max_devices)
 
     @defer.inlineCallbacks
-    def discover(self, timeout=1, max_devices=1, keep_listening=False, try_txupnp=True):
-        found = False
-        if not try_txupnp and not self.try_miniupnpc_fallback:
-            log.warning("nothing left to try")
-        if try_txupnp:
+    def _discover(self, timeout=1, max_devices=1):
+        server_infos = yield self.sspd_factory.m_search(
+            self.router_ip, timeout=timeout, max_devices=max_devices
+        )
+        server_info = server_infos[0]
+        if 'st' in server_info:
+            gateway = Gateway(reactor=self._reactor, **server_info)
+            yield gateway.discover_commands()
+            self.gateway = gateway
+            defer.returnValue(True)
+        elif 'st' not in server_info:
+            log.error("don't know how to handle gateway: %s", server_info)
+        defer.returnValue(False)
+
+    @defer.inlineCallbacks
+    def discover(self, timeout=1, max_devices=1):
         try:
-                found = yield self.soap_manager.discover_services(timeout=timeout, max_devices=max_devices)
+            found = yield self._discover(timeout=timeout, max_devices=max_devices)
         except defer.TimeoutError:
             found = False
         finally:
-                if not keep_listening:
-                    self.soap_manager.sspd_factory.disconnect()
+            self.sspd_factory.disconnect()
         if found:
-            try:
-                runner = self.soap_manager.get_runner()
-                required_commands = [
-                    "GetExternalIPAddress",
-                    "AddPortMapping",
-                    "GetSpecificPortMappingEntry",
-                    "GetGenericPortMappingEntry",
-                    "DeletePortMapping"
-                ]
-                found = all((command in runner._registered_commands for command in required_commands))
-            except UPnPError:
-                found = False
-        if not found and self.try_miniupnpc_fallback:
-            found = yield self.start_miniupnpc_fallback()
+            log.debug("found upnp device")
+        else:
+            log.debug("failed to find upnp device")
         defer.returnValue(found)
 
-    @defer.inlineCallbacks
-    def start_miniupnpc_fallback(self):
-        found = False
-        if not self.miniupnpc_runner:
-            log.debug("trying miniupnpc fallback")
-            fallback = UPnPFallback()
-            success = yield fallback.discover()
-            self.miniupnpc_igd_url = fallback.device_url
-            if success:
-                log.info("successfully started miniupnpc fallback")
-                self.miniupnpc_runner = fallback
-                found = True
-        if not found:
-            log.warning("failed to find upnp gateway using miniupnpc fallback")
-        defer.returnValue(found)
+    def get_external_ip(self) -> str:
+        return self.gateway.commands.GetExternalIPAddress()
 
-    def get_external_ip(self):
-        return self.commands.GetExternalIPAddress()
-
-    def add_port_mapping(self, external_port, protocol, internal_port, lan_address, description):
-        return self.commands.AddPortMapping(
+    def add_port_mapping(self, external_port: int, protocol: str, internal_port, lan_address: str,
+                         description: str) -> None:
+        return self.gateway.commands.AddPortMapping(
             NewRemoteHost="", NewExternalPort=external_port, NewProtocol=protocol,
             NewInternalPort=internal_port, NewInternalClient=lan_address,
             NewEnabled=1, NewPortMappingDescription=description, NewLeaseDuration=""
         )
 
     @defer.inlineCallbacks
-    def get_port_mapping_by_index(self, index):
+    def get_port_mapping_by_index(self, index: int) -> (str, int, str, int, str, bool, str, int):
         try:
-            redirect = yield self.commands.GetGenericPortMappingEntry(NewPortMappingIndex=index)
+            redirect = yield self.gateway.commands.GetGenericPortMappingEntry(NewPortMappingIndex=index)
             defer.returnValue(redirect)
         except UPnPError:
             defer.returnValue(None)
@@ -129,7 +97,7 @@ class UPnP(object):
         defer.returnValue(redirects)
 
     @defer.inlineCallbacks
-    def get_specific_port_mapping(self, external_port, protocol):
+    def get_specific_port_mapping(self, external_port: int, protocol: str) -> (int, str, bool, str, int):
         """
         :param external_port: (int) external port to listen on
         :param protocol:      (str) 'UDP' | 'TCP'
@@ -137,41 +105,23 @@ class UPnP(object):
         """
 
         try:
-            result = yield self.commands.GetSpecificPortMappingEntry(
+            result = yield self.gateway.commands.GetSpecificPortMappingEntry(
                 NewRemoteHost=None, NewExternalPort=external_port, NewProtocol=protocol
             )
             defer.returnValue(result)
         except UPnPError:
             defer.returnValue(None)
 
-    def delete_port_mapping(self, external_port, protocol, new_remote_host=""):
+    def delete_port_mapping(self, external_port: int, protocol: str) -> None:
         """
         :param external_port: (int) external port to listen on
         :param protocol:      (str) 'UDP' | 'TCP'
         :return: None
         """
-        return self.commands.DeletePortMapping(
-            NewRemoteHost=new_remote_host, NewExternalPort=external_port, NewProtocol=protocol
+        return self.gateway.commands.DeletePortMapping(
+            NewRemoteHost="", NewExternalPort=external_port, NewProtocol=protocol
         )
 
-    def get_rsip_nat_status(self):
-        """
-        :return: (bool) NewRSIPAvailable, (bool) NewNATEnabled
-        """
-        return self.commands.GetNATRSIPStatus()
-
-    def get_status_info(self):
-        """
-        :return: (str) NewConnectionStatus, (str) NewLastConnectionError, (int) NewUptime
-        """
-        return self.commands.GetStatusInfo()
-
-    def get_connection_type_info(self):
-        """
-        :return: (str) NewConnectionType (str), NewPossibleConnectionTypes (str)
-        """
-        return self.commands.GetConnectionTypeInfo()
-
     @defer.inlineCallbacks
     def get_next_mapping(self, port, protocol, description, internal_port=None):
         if protocol not in ["UDP", "TCP"]:
@@ -192,15 +142,3 @@ class UPnP(object):
                 port, protocol, internal_port, self.lan_address, description
         )
         defer.returnValue(port)
-
-    def get_debug_info(self, include_gateway_xml=False):
-        def default_byte(x):
-            if isinstance(x, bytes):
-                return x.decode()
-            return x
-        return json.dumps({
-            'txupnp': self.soap_manager.debug(include_gateway_xml=include_gateway_xml),
-            'miniupnpc_igd_url': self.miniupnpc_igd_url
-            },
-            indent=2, default=default_byte
-        )

txupnp/util.py

@@ -1,7 +1,6 @@
 import re
 import functools
 from collections import defaultdict
-from twisted.internet import defer
 from xml.etree import ElementTree
 
 BASE_ADDRESS_REGEX = re.compile("^(http:\/\/\d*\.\d*\.\d*\.\d*:\d*)\/.*$".encode())
@@ -59,13 +58,11 @@ def verify_return_types(*types):
 
     def _verify_return_types(fn):
         @functools.wraps(fn)
-        def _inner(response):
-            if isinstance(response, (list, tuple)):
-                r = tuple(t(r) for t, r in zip(types, response))
-                if len(r) == 1:
-                    return fn(r[0])
-                return fn(r)
-            return fn(types[0](response))
+        def _inner(*result):
+            r = fn(*tuple(t(r) for t, r in zip(types, result)))
+            if isinstance(r, tuple) and len(r) == 1:
+                return r[0]
+            return r
         return _inner
     return _verify_return_types
 
@@ -85,18 +82,3 @@ def return_types(*types):
 none_or_str = lambda x: None if not x or x == 'None' else str(x)
 
 none = lambda _: None
-
-
-@defer.inlineCallbacks
-def DeferredDict(d, consumeErrors=False):
-    keys = []
-    dl = []
-    response = {}
-    for k, v in d.items():
-        keys.append(k)
-        dl.append(v)
-    results = yield defer.DeferredList(dl, consumeErrors=consumeErrors)
-    for k, (success, result) in zip(keys, results):
-        if success:
-            response[k] = result
-    defer.returnValue(response)