diff --git a/sylk/server.py b/sylk/server.py index 4516d42..17208c9 100644 --- a/sylk/server.py +++ b/sylk/server.py @@ -1,247 +1,252 @@ # Copyright (C) 2010-2011 AG Projects. See LICENSE for details. # from __future__ import with_statement import sys from threading import Event from application import log from application.notification import NotificationCenter, NotificationData from eventlib import api, proc from sipsimple.account import Account, BonjourAccount, AccountManager from sipsimple.application import SIPApplication from sipsimple.audio import AudioDevice, RootAudioBridge from sipsimple.configuration import ConfigurationError from sipsimple.configuration.settings import SIPSimpleSettings from sipsimple.core import AudioMixer, Engine, SIPCoreError from sipsimple.lookup import DNSManager from sipsimple.storage import MemoryStorage from sipsimple.threading import ThreadManager from sipsimple.threading.green import run_in_green_thread from twisted.internet import reactor from uuid import uuid4 # Load extensions needed for integration with SIP SIMPLE SDK import sylk.extensions from sylk.applications import IncomingRequestHandler from sylk.configuration import ServerConfig, SIPConfig, ThorNodeConfig from sylk.configuration.settings import AccountExtension, BonjourAccountExtension, SylkServerSettingsExtension from sylk.log import Logger from sylk.session import SessionManager class SylkServer(SIPApplication): def __init__(self): self.logger = None self.request_handler = None self.stop_event = Event() def start(self): notification_center = NotificationCenter() notification_center.add_observer(self, sender=self) notification_center.add_observer(self, name='ThorNetworkGotFatalError') self.logger = Logger() Account.register_extension(AccountExtension) BonjourAccount.register_extension(BonjourAccountExtension) SIPSimpleSettings.register_extension(SylkServerSettingsExtension) try: SIPApplication.start(self, MemoryStorage()) except ConfigurationError, e: log.fatal("Error loading configuration: ",e) sys.exit(1) def _load_configuration(self): if '--enable-bonjour' in sys.argv: ServerConfig.enable_bonjour = True account_manager = AccountManager() account = Account("account@example.com") # an account is required by AccountManager account.message_summary.enabled = False account.presence.enabled = False account.sip.register = False account.xcap.enabled = False # Disable MSRP ACM if we are using Bonjour account.msrp.connection_model = 'relay' if ServerConfig.enable_bonjour else 'acm' account.save() account_manager.sylkserver_account = account @run_in_green_thread def _initialize_subsystems(self): account_manager = AccountManager() + dns_manager = DNSManager() engine = Engine() notification_center = NotificationCenter() session_manager = SessionManager() settings = SIPSimpleSettings() self._load_configuration() notification_center.post_notification('SIPApplicationWillStart', sender=self) if self.state == 'stopping': reactor.stop() return account = account_manager.sylkserver_account # initialize core notification_center.add_observer(self, sender=engine) options = dict(# general ip_address=SIPConfig.local_ip, user_agent=settings.user_agent, # SIP detect_sip_loops=False, udp_port=settings.sip.udp_port if 'udp' in settings.sip.transport_list else None, tcp_port=settings.sip.tcp_port if 'tcp' in settings.sip.transport_list else None, tls_port=None, # TLS tls_verify_server=False, tls_ca_file=None, tls_cert_file=None, tls_privkey_file=None, tls_timeout=3000, # rtp rtp_port_range=(settings.rtp.port_range.start, settings.rtp.port_range.end), # audio codecs=list(settings.rtp.audio_codec_list), # logging log_level=settings.logs.pjsip_level, trace_sip=True, # events and requests to handle events={'conference': ['application/conference-info+xml'], 'presence': ['application/pidf+xml'], 'refer': ['message/sipfrag;version=2.0']}, incoming_events=set(['conference', 'presence']), incoming_requests=set(['MESSAGE']) ) try: engine.start(**options) except SIPCoreError: self.end_reason = 'engine failed' reactor.stop() return # initialize TLS try: engine.set_tls_options(port=settings.sip.tls_port if 'tls' in settings.sip.transport_list else None, verify_server=account.tls.verify_server, ca_file=settings.tls.ca_list.normalized if settings.tls.ca_list else None, cert_file=account.tls.certificate.normalized if account.tls.certificate else None, privkey_file=account.tls.certificate.normalized if account.tls.certificate else None, timeout=settings.tls.timeout) except Exception, e: notification_center.post_notification('SIPApplicationFailedToStartTLS', sender=self, data=NotificationData(error=e)) + # initialize PJSIP internal resolver + engine.set_nameservers(dns_manager.nameservers) + # initialize audio objects voice_mixer = AudioMixer(None, None, settings.audio.sample_rate, 0, 9999) self.voice_audio_device = AudioDevice(voice_mixer) self.voice_audio_bridge = RootAudioBridge(voice_mixer) self.voice_audio_bridge.add(self.voice_audio_device) # initialize instance id if not settings.instance_id: settings.instance_id = uuid4().urn settings.save() # initialize middleware components + dns_manager.start() account_manager.start() session_manager.start() notification_center.add_observer(self, name='CFGSettingsObjectDidChange') self.state = 'started' notification_center.post_notification('SIPApplicationDidStart', sender=self) @run_in_green_thread def _shutdown_subsystems(self): # cleanup internals if self._wakeup_timer is not None and self._wakeup_timer.active(): self._wakeup_timer.cancel() self._wakeup_timer = None # shutdown SIPThor interface sipthor_proc = proc.spawn(self._stop_sipthor) sipthor_proc.wait() # shutdown middleware components dns_manager = DNSManager() account_manager = AccountManager() session_manager = SessionManager() procs = [proc.spawn(dns_manager.stop), proc.spawn(account_manager.stop), proc.spawn(session_manager.stop)] proc.waitall(procs) # shutdown engine engine = Engine() engine.stop() # TODO: timeout should be removed when the Engine is fixed so that it never hangs. -Saul try: with api.timeout(15): while True: notification = self._channel.wait() if notification.name == 'SIPEngineDidEnd': break except api.TimeoutError: pass # stop threads thread_manager = ThreadManager() thread_manager.stop() # stop the reactor reactor.stop() def _start_sipthor(self): if ThorNodeConfig.enabled: from sylk.interfaces.sipthor import ConferenceNode ConferenceNode() def _stop_sipthor(self): if ThorNodeConfig.enabled: from sylk.interfaces.sipthor import ConferenceNode ConferenceNode().stop() def _NH_SIPApplicationFailedToStartTLS(self, notification): log.fatal("Couldn't set TLS options: %s" % notification.data.error) def _NH_SIPApplicationWillStart(self, notification): self.logger.start() settings = SIPSimpleSettings() if settings.logs.trace_sip and self.logger._siptrace_filename is not None: log.msg('Logging SIP trace to file "%s"' % self.logger._siptrace_filename) if settings.logs.trace_msrp and self.logger._msrptrace_filename is not None: log.msg('Logging MSRP trace to file "%s"' % self.logger._msrptrace_filename) if settings.logs.trace_pjsip and self.logger._pjsiptrace_filename is not None: log.msg('Logging PJSIP trace to file "%s"' % self.logger._pjsiptrace_filename) if settings.logs.trace_notifications and self.logger._notifications_filename is not None: log.msg('Logging notifications trace to file "%s"' % self.logger._notifications_filename) def _NH_SIPApplicationDidStart(self, notification): engine = Engine() settings = SIPSimpleSettings() local_ip = SIPConfig.local_ip log.msg("SylkServer started, listening on:") for transport in settings.sip.transport_list: try: log.msg("%s:%d (%s)" % (local_ip, getattr(engine, '%s_port' % transport), transport.upper())) except TypeError: pass # Start request handler self.request_handler = IncomingRequestHandler() self.request_handler.start() # Start SIPThor interface proc.spawn(self._start_sipthor) def _NH_SIPApplicationWillEnd(self, notification): self.request_handler.stop() def _NH_SIPApplicationDidEnd(self, notification): self.logger.stop() self.stop_event.set() def _NH_SIPEngineGotException(self, notification): log.error('An exception occured within the SIP core:\n%s\n' % notification.data.traceback) def _NH_ThorNetworkGotFatalError(self, notification): self.stop()