Ejemplo n.º 1
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    def wait(self):
        """Wait until another coroutine calls send.
        Returns the value the other coroutine passed to
        send.

        >>> from eventlib import coros, api
        >>> evt = coros.event()
        >>> def wait_on():
        ...    retval = evt.wait()
        ...    print "waited for", retval
        >>> _ = api.spawn(wait_on)
        >>> evt.send('result')
        >>> api.sleep(0)
        waited for result

        Returns immediately if the event has already
        occured.

        >>> evt.wait()
        'result'
        """
        if self._result is NOT_USED:
            self._waiters[api.getcurrent()] = True
            try:
                return api.get_hub().switch()
            finally:
                self._waiters.pop(api.getcurrent(), None)
        if self._exc is not None:
            api.getcurrent().throw(*self._exc)
        return self._result
Ejemplo n.º 2
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 def switch(self):
     assert api.getcurrent() is not self.greenlet, "Cannot switch from MAINLOOP to MAINLOOP"
     try:
        api.getcurrent().parent = self.greenlet
     except ValueError:
        pass
     return self.greenlet.switch()
Ejemplo n.º 3
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    def wait(self):
        """Wait until another coroutine calls send.
        Returns the value the other coroutine passed to
        send.

        >>> from eventlib import coros, api
        >>> evt = coros.event()
        >>> def wait_on():
        ...    retval = evt.wait()
        ...    print "waited for", retval
        >>> _ = api.spawn(wait_on)
        >>> evt.send('result')
        >>> api.sleep(0)
        waited for result

        Returns immediately if the event has already
        occured.

        >>> evt.wait()
        'result'
        """
        if self._result is NOT_USED:
            self._waiters[api.getcurrent()] = True
            try:
                return api.get_hub().switch()
            finally:
                self._waiters.pop(api.getcurrent(), None)
        if self._exc is not None:
            api.getcurrent().throw(*self._exc)
        return self._result
Ejemplo n.º 4
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 def acquire(self, blocking=True):
     if not blocking and self.locked():
         return False
     while self.counter <= 0:
         self._waiters[api.getcurrent()] = None
         try:
             api.get_hub().switch()
         finally:
             self._waiters.pop(api.getcurrent(), None)
     self.counter -= 1
     return True
Ejemplo n.º 5
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 def acquire(self, blocking=True):
     if not blocking and self.locked():
         return False
     while self.counter <= 0:
         self._waiters[api.getcurrent()] = None
         try:
             api.get_hub().switch()
         finally:
             self._waiters.pop(api.getcurrent(), None)
     self.counter -= 1
     return True
Ejemplo n.º 6
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 def wait(self):
     """Wait for an item sent by a send() call, in FIFO order.
     If the corresponding send() specifies exc=SomeExceptionClass, this
     wait() will raise that exception.
     Otherwise, this wait() will return the corresponding send() call's
     result= parameter.
     """
     self.sem.acquire()
     result, exc = self.items.popleft()
     if exc is not None:
         api.getcurrent().throw(*exc)
     return result
Ejemplo n.º 7
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 def wait(self):
     """Wait for an item sent by a send() call, in FIFO order.
     If the corresponding send() specifies exc=SomeExceptionClass, this
     wait() will raise that exception.
     Otherwise, this wait() will return the corresponding send() call's
     result= parameter.
     """
     self.sem.acquire()
     result, exc = self.items.popleft()
     if exc is not None:
         api.getcurrent().throw(*exc)
     return result
Ejemplo n.º 8
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 def link_exception(self, listener=None, link=None):
     if self.value is not _NOT_USED and self._exc is None:
         return
     if listener is None:
         listener = api.getcurrent()
     if link is None:
         link = self.getLink(listener)
     if self.ready() and listener is api.getcurrent():
         link(self)
     else:
         self._exception_links[listener] = link
         if self.value is not _NOT_USED:
             self._start_send_exception()
     return link
Ejemplo n.º 9
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 def link_exception(self, listener=None, link=None):
     if self.value is not _NOT_USED and self._exc is None:
         return
     if listener is None:
         listener = api.getcurrent()
     if link is None:
         link = self.getLink(listener)
     if self.ready() and listener is api.getcurrent():
         link(self)
     else:
         self._exception_links[listener] = link
         if self.value is not _NOT_USED:
             self._start_send_exception()
     return link
Ejemplo n.º 10
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 def wait(self):
     """The difference from queue.wait: if there is an only item in the
     queue and it is an exception, raise it, but keep it in the queue, so
     that future calls to wait() will raise it again.
     """
     self.sem.acquire()
     if self.has_error() and len(self.items)==1:
         # the last item, which is an exception, raise without emptying the queue
         self.sem.release()
         getcurrent().throw(*self.items[0][1])
     else:
         result, exc = self.items.popleft()
         if exc is not None:
             getcurrent().throw(*exc)
         return result
Ejemplo n.º 11
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 def wait(self):
     """The difference from queue.wait: if there is an only item in the
     queue and it is an exception, raise it, but keep it in the queue, so
     that future calls to wait() will raise it again.
     """
     self.sem.acquire()
     if self.has_error() and len(self.items)==1:
         # the last item, which is an exception, raise without emptying the queue
         self.sem.release()
         getcurrent().throw(*self.items[0][1])
     else:
         result, exc = self.items.popleft()
         if exc is not None:
             getcurrent().throw(*exc)
         return result
Ejemplo n.º 12
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 def cb(value):
     if cur:
         if getcurrent() is cur[0]:
             synchronous.append((value, None))
         else:
             cur[0].switch(value)
     return value
Ejemplo n.º 13
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    def execute(self, func, *args, **kwargs):
        """Execute func in one of the coroutines maintained
        by the pool, when one is free.

        Immediately returns a Proc object which can be queried
        for the func's result.

        >>> pool = Pool()
        >>> task = pool.execute(lambda a: ('foo', a), 1)
        >>> task.wait()
        ('foo', 1)
        """
        # if reentering an empty pool, don't try to wait on a coroutine freeing
        # itself -- instead, just execute in the current coroutine
        if self.sem.locked() and api.getcurrent() in self.procs:
            p = proc.spawn(func, *args, **kwargs)
            try:
                p.wait()
            except:
                pass
        else:
            self.sem.acquire()
            p = self.procs.spawn(func, *args, **kwargs)
            # assuming the above line cannot raise
            p.link(lambda p: self.sem.release())
        if self.results is not None:
            p.link(self.results)
        return p
Ejemplo n.º 14
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    def execute(self, func, *args, **kwargs):
        """Execute func in one of the coroutines maintained
        by the pool, when one is free.

        Immediately returns a Proc object which can be queried
        for the func's result.

        >>> pool = Pool()
        >>> task = pool.execute(lambda a: ('foo', a), 1)
        >>> task.wait()
        ('foo', 1)
        """
        # if reentering an empty pool, don't try to wait on a coroutine freeing
        # itself -- instead, just execute in the current coroutine
        if self.sem.locked() and api.getcurrent() in self.procs:
            p = proc.spawn(func, *args, **kwargs)
            try:
                p.wait()
            except:
                pass
        else:
            self.sem.acquire()
            p = self.procs.spawn(func, *args, **kwargs)
            # assuming the above line cannot raise
            p.link(lambda p: self.sem.release())
        if self.results is not None:
            p.link(self.results)
        return p
Ejemplo n.º 15
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    def start(self):
        notification_center = NotificationCenter()
        self.greenlet = api.getcurrent()
        settings = SIPSimpleSettings()
        account = AccountManager().sylkserver_account
        if account.sip.outbound_proxy is not None:
            uri = SIPURI(host=account.sip.outbound_proxy.host,
                         port=account.sip.outbound_proxy.port,
                         parameters={'transport': account.sip.outbound_proxy.transport})
        else:
            uri = self.destination_uri
        lookup = DNSLookup()
        try:
            routes = lookup.lookup_sip_proxy(uri, settings.sip.transport_list).wait()
        except DNSLookupError:
            notification_center.post_notification('OutgoingFileTransferHandlerDidFail', sender=self)
            return

        self.session = Session(account)
        self.stream = FileTransferStream(self.file_selector, 'sendonly')
        notification_center.add_observer(self, sender=self.session)
        notification_center.add_observer(self, sender=self.stream)
        from_header = FromHeader(self.sender_uri, u'SIPStache File Transfer')
        to_header = ToHeader(self.destination_uri)
        transport = routes[0].transport
        parameters = {} if transport=='udp' else {'transport': transport}
        contact_header = ContactHeader(SIPURI(user=self.sender_uri.user, host=SIPConfig.local_ip.normalized, port=getattr(Engine(), '%s_port' % transport), parameters=parameters))
        extra_headers = []
        if ThorNodeConfig.enabled:
            extra_headers.append(Header('Thor-Scope', 'sipstache-file'))
        extra_headers.append(Header('X-Originator-From', str(self.destination_uri)))
        self.session.connect(from_header, to_header, contact_header=contact_header, routes=routes, streams=[self.stream], is_focus=False, extra_headers=extra_headers)
        notification_center.post_notification('OutgoingFileTransferHandlerDidStart', sender=self)
Ejemplo n.º 16
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 def switch(self):
     cur = api.getcurrent()
     assert cur is not self.greenlet, 'Cannot switch to MAINLOOP from MAINLOOP'
     switch_out = getattr(cur, 'switch_out', None)
     if switch_out is not None:
         try:
             switch_out()
         except:
             traceback.print_exception(*sys.exc_info())
     if self.greenlet.dead:
         self.greenlet = api.Greenlet(self.run)
     try:
         api.getcurrent().parent = self.greenlet
     except ValueError:
         pass
     return self.greenlet.switch()
Ejemplo n.º 17
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 def switch(self):
     cur = api.getcurrent()
     assert cur is not self.greenlet, 'Cannot switch to MAINLOOP from MAINLOOP'
     switch_out = getattr(cur, 'switch_out', None)
     if switch_out is not None:
         try:
             switch_out()
         except:
             traceback.print_exception(*sys.exc_info())
     if self.greenlet.dead:
         self.greenlet = api.Greenlet(self.run)
     try:
         api.getcurrent().parent = self.greenlet
     except ValueError:
         pass
     return self.greenlet.switch()
Ejemplo n.º 18
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def block_on(deferred):
    cur = [getcurrent()]
    synchronous = []

    def cb(value):
        if cur:
            if getcurrent() is cur[0]:
                synchronous.append((value, None))
            else:
                cur[0].switch(value)
        return value

    def eb(failure):
        if cur:
            if getcurrent() is cur[0]:
                synchronous.append((None, failure))
            else:
                failure.throwExceptionIntoGenerator(cur[0])

    deferred.addCallbacks(cb, eb)
    if synchronous:
        result, failure = synchronous[0]
        if failure is not None:
            failure.raiseException()
        return result
    try:
        return get_hub().switch()
    finally:
        del cur[0]
Ejemplo n.º 19
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 def send_exception(self, *throw_args):
     """Make greenlet calling wait() wake up (if there is a wait()).
     Can only be called from get_hub().greenlet.
     """
     assert api.getcurrent() is api.get_hub().greenlet
     if self.greenlet is not None:
         self.greenlet.throw(*throw_args)
Ejemplo n.º 20
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 def send(self, value):
     """Wake up the greenlet that is calling wait() currently (if there is one).
     Can only be called from get_hub().greenlet.
     """
     assert api.getcurrent() is api.get_hub().greenlet
     if self.greenlet is not None:
         self.greenlet.switch(value)
Ejemplo n.º 21
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 def cb(value):
     if cur:
         if getcurrent() is cur[0]:
             synchronous.append((value, None))
         else:
             cur[0].switch(value)
     return value
Ejemplo n.º 22
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def block_on(deferred):
    cur = [getcurrent()]
    synchronous = []

    def cb(value):
        if cur:
            if getcurrent() is cur[0]:
                synchronous.append((value, None))
            else:
                cur[0].switch(value)
        return value

    def eb(failure):
        if cur:
            if getcurrent() is cur[0]:
                synchronous.append((None, failure))
            else:
                failure.throwExceptionIntoGenerator(cur[0])

    deferred.addCallbacks(cb, eb)
    if synchronous:
        result, failure = synchronous[0]
        if failure is not None:
            failure.raiseException()
        return result
    try:
        return get_hub().switch()
    finally:
        del cur[0]
Ejemplo n.º 23
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 def send_exception(self, *throw_args):
     """Make greenlet calling wait() wake up (if there is a wait()).
     Can only be called from get_hub().greenlet.
     """
     assert api.getcurrent() is api.get_hub().greenlet
     if self.greenlet is not None:
         self.greenlet.throw(*throw_args)
Ejemplo n.º 24
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 def send(self, value):
     """Wake up the greenlet that is calling wait() currently (if there is one).
     Can only be called from get_hub().greenlet.
     """
     assert api.getcurrent() is api.get_hub().greenlet
     if self.greenlet is not None:
         self.greenlet.switch(value)
Ejemplo n.º 25
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    def wait(self, timeout=None, *throw_args):
        """Wait until send() or send_exception() is called or `timeout' has
        expired. Return the argument of send or raise the argument of
        send_exception. If timeout has expired, None is returned.

        The arguments, when provided, specify how many seconds to wait and what
        to do when timeout has expired. They are treated the same way as
        api.timeout treats them.
        """
        if self.value is not _NOT_USED:
            if self._exc is None:
                return self.value
            else:
                api.getcurrent().throw(*self._exc)
        if timeout is not None:
            timer = api.timeout(timeout, *throw_args)
            timer.__enter__()
            if timeout == 0:
                if timer.__exit__(None, None, None):
                    return
                else:
                    try:
                        api.getcurrent().throw(*timer.throw_args)
                    except:
                        if not timer.__exit__(*sys.exc_info()):
                            raise
                    return
            EXC = True
        try:
            try:
                waiter = Waiter()
                self.link(waiter)
                try:
                    return waiter.wait()
                finally:
                    self.unlink(waiter)
            except:
                EXC = False
                if timeout is None or not timer.__exit__(*sys.exc_info()):
                    raise
        finally:
            if timeout is not None and EXC:
                timer.__exit__(None, None, None)
Ejemplo n.º 26
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    def wait(self, timeout=None, *throw_args):
        """Wait until send() or send_exception() is called or `timeout' has
        expired. Return the argument of send or raise the argument of
        send_exception. If timeout has expired, None is returned.

        The arguments, when provided, specify how many seconds to wait and what
        to do when timeout has expired. They are treated the same way as
        api.timeout treats them.
        """
        if self.value is not _NOT_USED:
            if self._exc is None:
                return self.value
            else:
                api.getcurrent().throw(*self._exc)
        if timeout is not None:
            timer = api.timeout(timeout, *throw_args)
            timer.__enter__()
            if timeout==0:
                if timer.__exit__(None, None, None):
                    return
                else:
                    try:
                        api.getcurrent().throw(*timer.throw_args)
                    except:
                        if not timer.__exit__(*sys.exc_info()):
                            raise
                    return
            EXC = True
        try:
            try:
                waiter = Waiter()
                self.link(waiter)
                try:
                    return waiter.wait()
                finally:
                    self.unlink(waiter)
            except:
                EXC = False
                if timeout is None or not timer.__exit__(*sys.exc_info()):
                    raise
        finally:
            if timeout is not None and EXC:
                timer.__exit__(None, None, None)
Ejemplo n.º 27
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def killall(procs, *throw_args, **kwargs):
    if not throw_args:
        throw_args = (ProcExit, )
    wait = kwargs.pop('wait', False)
    if kwargs:
        raise TypeError('Invalid keyword argument for proc.killall(): %s' % ', '.join(kwargs.keys()))
    for g in procs:
        if not g.dead:
            api.get_hub().schedule_call_global(0, g.throw, *throw_args)
    if wait and api.getcurrent() is not api.get_hub().greenlet:
        api.sleep(0)
Ejemplo n.º 28
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 def wait(self):
     """Wait until send or send_exception is called. Return value passed
     into send() or raise exception passed into send_exception().
     """
     assert self.greenlet is None
     current = api.getcurrent()
     assert current is not api.get_hub().greenlet
     self.greenlet = current
     try:
         return api.get_hub().switch()
     finally:
         self.greenlet = None
Ejemplo n.º 29
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 def wait(self):
     """Wait until send or send_exception is called. Return value passed
     into send() or raise exception passed into send_exception().
     """
     assert self.greenlet is None
     current = api.getcurrent()
     assert current is not api.get_hub().greenlet
     self.greenlet = current
     try:
         return api.get_hub().switch()
     finally:
         self.greenlet = None
Ejemplo n.º 30
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def killall(procs, *throw_args, **kwargs):
    if not throw_args:
        throw_args = (ProcExit, )
    wait = kwargs.pop('wait', False)
    if kwargs:
        raise TypeError('Invalid keyword argument for proc.killall(): %s' %
                        ', '.join(list(kwargs.keys())))
    for g in procs:
        if not g.dead:
            api.get_hub().schedule_call_global(0, g.throw, *throw_args)
    if wait and api.getcurrent() is not api.get_hub().greenlet:
        api.sleep(0)
Ejemplo n.º 31
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    def kill(self, *throw_args):
        """Raise an exception in the greenlet. Unschedule the current greenlet
        so that this Proc can handle the exception (or die).

        The exception can be specified with throw_args. By default, ProcExit is
        raised.
        """
        if not self.dead:
            if not throw_args:
                throw_args = (ProcExit, )
            api.get_hub().schedule_call_global(0, self.greenlet.throw, *throw_args)
            if api.getcurrent() is not api.get_hub().greenlet:
                api.sleep(0)
Ejemplo n.º 32
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    def kill(self, *throw_args):
        """Raise an exception in the greenlet. Unschedule the current greenlet
        so that this Proc can handle the exception (or die).

        The exception can be specified with throw_args. By default, ProcExit is
        raised.
        """
        if not self.dead:
            if not throw_args:
                throw_args = (ProcExit, )
            api.get_hub().schedule_call_global(0, self.greenlet.throw,
                                               *throw_args)
            if api.getcurrent() is not api.get_hub().greenlet:
                api.sleep(0)
Ejemplo n.º 33
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 def run(self):
     while True:
         try:
             event.dispatch()
             break
         except api.GreenletExit:
             break
         except self.SYSTEM_EXCEPTIONS:
             raise
         except:
             if self.exc_info is not None:
                 self.schedule_call_global(0, api.getcurrent().parent.throw, *self.exc_info)
                 self.exc_info = None
             else:
                 traceback.print_exc()
Ejemplo n.º 34
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    def start(self):
        notification_center = NotificationCenter()
        self.greenlet = api.getcurrent()
        settings = SIPSimpleSettings()
        account = AccountManager().sylkserver_account
        if account.sip.outbound_proxy is not None:
            uri = SIPURI(
                host=account.sip.outbound_proxy.host,
                port=account.sip.outbound_proxy.port,
                parameters={'transport': account.sip.outbound_proxy.transport})
        else:
            uri = self.destination_uri
        lookup = DNSLookup()
        try:
            routes = lookup.lookup_sip_proxy(
                uri, settings.sip.transport_list).wait()
        except DNSLookupError:
            notification_center.post_notification(
                'OutgoingFileTransferHandlerDidFail', sender=self)
            return

        self.session = Session(account)
        self.stream = FileTransferStream(self.file_selector, 'sendonly')
        notification_center.add_observer(self, sender=self.session)
        notification_center.add_observer(self, sender=self.stream)
        from_header = FromHeader(self.sender_uri, u'SIPStache File Transfer')
        to_header = ToHeader(self.destination_uri)
        transport = routes[0].transport
        parameters = {} if transport == 'udp' else {'transport': transport}
        contact_header = ContactHeader(
            SIPURI(user=self.sender_uri.user,
                   host=SIPConfig.local_ip.normalized,
                   port=getattr(Engine(), '%s_port' % transport),
                   parameters=parameters))
        extra_headers = []
        if ThorNodeConfig.enabled:
            extra_headers.append(Header('Thor-Scope', 'sipstache-file'))
        extra_headers.append(
            Header('X-Originator-From', str(self.destination_uri)))
        self.session.connect(from_header,
                             to_header,
                             contact_header=contact_header,
                             routes=routes,
                             streams=[self.stream],
                             is_focus=False,
                             extra_headers=extra_headers)
        notification_center.post_notification(
            'OutgoingFileTransferHandlerDidStart', sender=self)
Ejemplo n.º 35
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 def run(self):
     while True:
         try:
             event.dispatch()
             break
         except api.GreenletExit:
             break
         except self.SYSTEM_EXCEPTIONS:
             raise
         except:
             if self.exc_info is not None:
                 self.schedule_call_global(0,
                                           api.getcurrent().parent.throw,
                                           *self.exc_info)
                 self.exc_info = None
             else:
                 traceback.print_exc()
Ejemplo n.º 36
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    def start(self):
        notification_center = NotificationCenter()

        if self.greenlet is not None:
            return
        self.greenlet = api.getcurrent()

        current_address = host.default_ip
        while True:
            new_address = host.default_ip
            # make sure the address stabilized
            api.sleep(5)
            if new_address != host.default_ip:
                continue
            if new_address != current_address:
                notification_center.post_notification(name='SystemIPAddressDidChange', sender=self, data=NotificationData(old_ip_address=current_address, new_ip_address=new_address))
                current_address = new_address
            api.sleep(5)
Ejemplo n.º 37
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    def start(self):
        notification_center = NotificationCenter()

        if self.greenlet is not None:
            return
        self.greenlet = api.getcurrent()

        current_address = host.default_ip
        while True:
            new_address = host.default_ip
            # make sure the address stabilized
            api.sleep(5)
            if new_address != host.default_ip:
                continue
            if new_address != current_address:
                notification_center.post_notification(name='SystemIPAddressDidChange', sender=self, data=NotificationData(old_ip_address=current_address, new_ip_address=new_address))
                current_address = new_address
            api.sleep(5)
Ejemplo n.º 38
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 def start(self, local_sdp, remote_sdp, stream_index):
     self.greenlet = api.getcurrent()
     notification_center = NotificationCenter()
     context = 'sdp_negotiation'
     try:
         remote_media = remote_sdp.media[stream_index]
         self.remote_media = remote_media
         self.remote_accept_types = remote_media.attributes.getfirst(
             b'accept-types', b'').decode().split()
         self.remote_accept_wrapped_types = remote_media.attributes.getfirst(
             b'accept-wrapped-types', b'').decode().split()
         self.cpim_enabled = contains_mime_type(
             self.accept_types, 'message/cpim') and contains_mime_type(
                 self.remote_accept_types, 'message/cpim')
         remote_uri_path = remote_media.attributes.getfirst(b'path')
         if remote_uri_path is None:
             raise AttributeError(
                 "remote SDP media does not have 'path' attribute")
         full_remote_path = [
             URI.parse(uri) for uri in remote_uri_path.decode().split()
         ]
         remote_transport = 'tls' if full_remote_path[0].use_tls else 'tcp'
         if self.transport != remote_transport:
             raise MSRPStreamError(
                 "remote transport ('%s') different from local transport ('%s')"
                 % (remote_transport, self.transport))
         if isinstance(self.session.account,
                       Account) and self.local_role == 'actpass':
             remote_setup = remote_media.attributes.getfirst(
                 'setup', 'passive')
             if remote_setup == 'passive':
                 # If actpass is offered connectors are always started as passive
                 # We need to switch to active if the remote answers with passive
                 if self.session.account.msrp.connection_model == 'relay':
                     self.msrp_connector.mode = 'active'
                 else:
                     local_uri = self.msrp_connector.local_uri
                     logger = self.msrp_connector.logger
                     self.msrp_connector = DirectConnector(
                         logger=logger, use_sessmatch=True)
                     self.msrp_connector.prepare(local_uri)
         context = 'start'
         self.msrp = self.msrp_connector.complete(full_remote_path)
         if self.msrp_session_class is not None:
             self.msrp_session = self.msrp_session_class(
                 self.msrp,
                 accept_types=self.accept_types,
                 on_incoming_cb=self._handle_incoming,
                 automatic_reports=False)
         self.msrp_connector = None
     except Exception as e:
         self._failure_reason = str(e)
         traceback.print_exc()
         notification_center.post_notification(
             'MediaStreamDidFail',
             sender=self,
             data=NotificationData(context=context,
                                   reason=self._failure_reason))
     else:
         notification_center.post_notification('MediaStreamDidStart',
                                               sender=self)
     finally:
         self.greenlet = None
Ejemplo n.º 39
0
 def initialize(self, session, direction):
     self.greenlet = api.getcurrent()
     notification_center = NotificationCenter()
     notification_center.add_observer(self, sender=self)
     try:
         self.session = session
         self.transport = self.session.account.msrp.transport
         outgoing = direction == 'outgoing'
         logger = NotificationProxyLogger()
         if self.session.account is BonjourAccount():
             if outgoing:
                 self.msrp_connector = DirectConnector(logger=logger)
                 self.local_role = 'active'
             else:
                 if self.transport == 'tls' and None in (
                         self.session.account.tls_credentials.cert,
                         self.session.account.tls_credentials.key):
                     raise MSRPStreamError(
                         "Cannot accept MSRP connection without a TLS certificate"
                     )
                 self.msrp_connector = DirectAcceptor(logger=logger)
                 self.local_role = 'passive'
         else:
             if self.session.account.msrp.connection_model == 'relay':
                 if not outgoing and self.remote_role in ('actpass',
                                                          'passive'):
                     # 'passive' not allowed by the RFC but play nice for interoperability. -Saul
                     self.msrp_connector = DirectConnector(
                         logger=logger, use_sessmatch=True)
                     self.local_role = 'active'
                 elif outgoing and not self.session.account.nat_traversal.use_msrp_relay_for_outbound:
                     self.msrp_connector = DirectConnector(
                         logger=logger, use_sessmatch=True)
                     self.local_role = 'active'
                 else:
                     if self.session.account.nat_traversal.msrp_relay is None:
                         relay_host = relay_port = None
                     else:
                         if self.transport != self.session.account.nat_traversal.msrp_relay.transport:
                             raise MSRPStreamError(
                                 "MSRP relay transport conflicts with MSRP transport setting"
                             )
                         relay_host = self.session.account.nat_traversal.msrp_relay.host
                         relay_port = self.session.account.nat_traversal.msrp_relay.port
                     relay = MSRPRelaySettings(
                         domain=self.session.account.uri.host.decode(),
                         username=self.session.account.uri.user.decode(),
                         password=self.session.account.credentials.password.
                         decode(),
                         host=relay_host,
                         port=relay_port,
                         use_tls=self.transport == 'tls')
                     self.msrp_connector = RelayConnection(
                         relay,
                         'passive',
                         logger=logger,
                         use_sessmatch=True)
                     self.local_role = 'actpass' if outgoing else 'passive'
             else:
                 if not outgoing and self.remote_role in ('actpass',
                                                          'passive'):
                     # 'passive' not allowed by the RFC but play nice for interoperability. -Saul
                     self.msrp_connector = DirectConnector(
                         logger=logger, use_sessmatch=True)
                     self.local_role = 'active'
                 else:
                     if not outgoing and self.transport == 'tls' and None in (
                             self.session.account.tls_credentials.cert,
                             self.session.account.tls_credentials.key):
                         raise MSRPStreamError(
                             "Cannot accept MSRP connection without a TLS certificate"
                         )
                     self.msrp_connector = DirectAcceptor(
                         logger=logger, use_sessmatch=True)
                     self.local_role = 'actpass' if outgoing else 'passive'
         full_local_path = self.msrp_connector.prepare(local_uri=URI(
             host=host.default_ip,
             port=0,
             use_tls=self.transport == 'tls',
             credentials=self.session.account.tls_credentials))
         self.local_media = self._create_local_media(full_local_path)
     except (CertificateError, CertificateAuthorityError,
             CertificateExpiredError, CertificateSecurityError,
             CertificateRevokedError) as e:
         reason = "%s for %s" % (e.error, e.certificate.subject.CN.lower())
         notification_center.post_notification(
             'MediaStreamDidNotInitialize',
             sender=self,
             data=NotificationData(reason=reason))
     except Exception as e:
         notification_center.post_notification(
             'MediaStreamDidNotInitialize',
             sender=self,
             data=NotificationData(reason=str(e)))
     else:
         notification_center.post_notification('MediaStreamDidInitialize',
                                               sender=self)
     finally:
         self._initialize_done = True
         self.greenlet = None
Ejemplo n.º 40
0
def get_ident():
    return id(api.getcurrent())
Ejemplo n.º 41
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 def unlink(self, listener=None):
     if listener is None:
         listener = api.getcurrent()
     self._value_links.pop(listener, None)
     self._exception_links.pop(listener, None)
Ejemplo n.º 42
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 def eb(failure):
     if cur:
         if getcurrent() is cur[0]:
             synchronous.append((None, failure))
         else:
             failure.throwExceptionIntoGenerator(cur[0])
Ejemplo n.º 43
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 def __init__(self, *args, **kwargs):
     self.greenlet = api.getcurrent()
     DelayedCall.__init__(self, *args, **kwargs)
Ejemplo n.º 44
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 def eb(failure):
     if cur:
         if getcurrent() is cur[0]:
             synchronous.append((None, failure))
         else:
             failure.throwExceptionIntoGenerator(cur[0])
Ejemplo n.º 45
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 def __init__(self, cb, args, kwargs):
     self.tpl = cb, args, kwargs
     self.greenlet = api.getcurrent()
Ejemplo n.º 46
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def get_ident():
    return id(api.getcurrent())
Ejemplo n.º 47
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 def __init__(self, *args, **kwargs):
     self.greenlet = getcurrent()
     Timer.__init__(self, *args, **kwargs)
Ejemplo n.º 48
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 def __init__(self, *args, **kwargs):
     self.greenlet = getcurrent()
     Timer.__init__(self, *args, **kwargs)
Ejemplo n.º 49
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 def unlink(self, listener=None):
     if listener is None:
         listener = api.getcurrent()
     self._value_links.pop(listener, None)
     self._exception_links.pop(listener, None)
Ejemplo n.º 50
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 def __init__(self, cb, args, kwargs):
     self.tpl =  cb, args, kwargs
     self.greenlet = api.getcurrent()