53 lines
2.1 KiB
Python
53 lines
2.1 KiB
Python
import logging
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from twisted.internet import defer
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from txupnp.util import get_lan_info
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from txupnp.ssdp import SSDPFactory
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from txupnp.scpd import SCPDCommandRunner
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from txupnp.gateway import Gateway
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from txupnp.fault import UPnPError
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from txupnp.constants import GATEWAY_SCHEMA
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log = logging.getLogger(__name__)
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class SOAPServiceManager(object):
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def __init__(self, reactor):
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self._reactor = reactor
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self.iface_name, self.router_ip, self.lan_address = get_lan_info()
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self.sspd_factory = SSDPFactory(self.lan_address, self._reactor)
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self._command_runners = {}
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self._selected_runner = GATEWAY_SCHEMA
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@defer.inlineCallbacks
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def discover_services(self, address=None, ttl=30, max_devices=2):
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server_infos = yield self.sspd_factory.m_search(
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address or self.router_ip, ttl=ttl, max_devices=max_devices
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)
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locations = []
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for server_info in server_infos:
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if 'st' in server_info and server_info['st'] not in self._command_runners:
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locations.append(server_info['location'])
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gateway = Gateway(**server_info)
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yield gateway.discover_services()
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command_runner = SCPDCommandRunner(gateway)
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yield command_runner.discover_commands()
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self._command_runners[gateway.urn.decode()] = command_runner
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elif 'st' not in server_info:
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log.error("don't know how to handle gateway: %s", server_info)
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continue
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defer.returnValue(len(self._command_runners))
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def set_runner(self, urn):
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if urn not in self._command_runners:
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raise IndexError(urn)
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self._command_runners = urn
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def get_runner(self):
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if self._command_runners and not self._selected_runner in self._command_runners:
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self._selected_runner = list(self._command_runners.keys())[0]
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if not self._command_runners:
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raise UPnPError("not devices found")
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return self._command_runners[self._selected_runner]
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def get_available_runners(self):
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return self._command_runners.keys()
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