655 lines
25 KiB
Python
655 lines
25 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
|
|
# or more contributor license agreements. See the NOTICE file
|
|
# distributed with this work for additional information
|
|
# regarding copyright ownership.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
__all__ = [
|
|
"ConnectionEventHandler",
|
|
"Connection"
|
|
]
|
|
|
|
import heapq
|
|
import logging
|
|
import proton
|
|
import time
|
|
from warnings import warn
|
|
|
|
from dingus.link import _SessionProxy
|
|
from dingus.endpoint import Endpoint
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class ConnectionEventHandler(object):
|
|
"""An implementation of an AMQP 1.0 Connection."""
|
|
def connection_active(self, connection):
|
|
"""Connection handshake has completed."""
|
|
LOG.debug("connection_active (ignored)")
|
|
|
|
def connection_failed(self, connection, error):
|
|
"""Connection's transport has failed in some way."""
|
|
LOG.warn("connection_failed, error=%s (ignored)", str(error))
|
|
|
|
def connection_remote_closed(self, connection, pn_condition):
|
|
"""Peer has closed its end of the connection."""
|
|
LOG.debug("connection_remote_closed (ignored)")
|
|
|
|
def connection_closed(self, connection):
|
|
"""The connection has cleanly closed."""
|
|
LOG.debug("connection_closed (ignored)")
|
|
|
|
def sender_requested(self, connection, link_handle,
|
|
name, requested_source,
|
|
properties):
|
|
"""Peer has requested a SenderLink be created."""
|
|
# call accept_sender to accept new link,
|
|
# reject_sender to reject it.
|
|
LOG.debug("sender_requested (ignored)")
|
|
|
|
def receiver_requested(self, connection, link_handle,
|
|
name, requested_target,
|
|
properties):
|
|
"""Peer has requested a ReceiverLink be created."""
|
|
# call accept_receiver to accept new link,
|
|
# reject_receiver to reject it.
|
|
LOG.debug("receiver_requested (ignored)")
|
|
|
|
# TODO(kgiusti) cleaner sasl support, esp. server side
|
|
def sasl_step(self, connection, pn_sasl):
|
|
"""SASL exchange occurred."""
|
|
LOG.debug("sasl_step (ignored)")
|
|
|
|
def sasl_done(self, connection, pn_sasl, result):
|
|
"""SASL exchange complete."""
|
|
LOG.debug("sasl_done (ignored)")
|
|
|
|
|
|
class Connection(Endpoint):
|
|
"""A Connection to a peer."""
|
|
EOS = -1 # indicates 'I/O stream closed'
|
|
|
|
def __init__(self, container, name, event_handler=None, properties=None):
|
|
"""Create a new connection from the Container
|
|
|
|
The following AMQP connection properties are supported:
|
|
|
|
hostname: string, target host name sent in Open frame.
|
|
|
|
idle-time-out: float, time in seconds before an idle link will be
|
|
closed.
|
|
|
|
The following custom connection properties are supported:
|
|
|
|
x-trace-protocol: boolean, if true, dump sent and received frames to
|
|
stdout.
|
|
|
|
x-ssl-server: boolean, if True connection acts as a SSL server (default
|
|
False - use Client mode)
|
|
|
|
x-ssl-identity: tuple, contains identifying certificate information
|
|
which will be presented to the peer. The first item in the tuple is
|
|
the path to the certificate file (PEM format). The second item is the
|
|
path to a file containing the private key used to sign the certificate
|
|
(PEM format, optional if private key is stored in the certificate
|
|
itself). The last item is the password used to encrypt the private key
|
|
(string, not required if private key is not encrypted)
|
|
|
|
x-ssl-ca-file: string, path to a file containing the certificates of
|
|
the trusted Certificate Authorities that will be used to check the
|
|
signature of the peer's certificate.
|
|
|
|
x-ssl-verify-mode: string, configure the level of security provided by
|
|
SSL. Possible values:
|
|
"verify-peer" (default) - most secure, requires peer to supply a
|
|
certificate signed by a valid CA (see x-ssl-ca-file), and check
|
|
the CN or SAN entry in the certificate against the expected
|
|
peer hostname (see x-ssl-peer-name)
|
|
"verify-cert" (default if no x-ssl-peer-name given) - like
|
|
verify-peer, but skips the check of the peer hostname.
|
|
Vulnerable to man-in-the-middle attack.
|
|
"no-verify" - do not require the peer to provide a certificate.
|
|
Results in a weaker encryption stream, and other vulnerabilities.
|
|
|
|
x-ssl-peer-name: string, DNS name of peer. Required to authenticate
|
|
peer's certificate (see x-ssl-verify-mode).
|
|
|
|
x-ssl-allow-cleartext: boolean, Allows clients to connect without using
|
|
SSL (eg, plain TCP). Used by a server that will accept clients
|
|
requesting either trusted or untrusted connections.
|
|
"""
|
|
super(Connection, self).__init__(name)
|
|
self._container = container
|
|
self._handler = event_handler
|
|
|
|
self._pn_connection = proton.Connection()
|
|
self._pn_connection.container = container.name
|
|
self._pn_transport = proton.Transport()
|
|
self._pn_transport.bind(self._pn_connection)
|
|
self._pn_collector = proton.Collector()
|
|
self._pn_connection.collect(self._pn_collector)
|
|
|
|
if properties:
|
|
if 'hostname' in properties:
|
|
self._pn_connection.hostname = properties['hostname']
|
|
secs = properties.get("idle-time-out")
|
|
if secs:
|
|
self._pn_transport.idle_timeout = secs
|
|
if properties.get("x-trace-protocol"):
|
|
self._pn_transport.trace(proton.Transport.TRACE_FRM)
|
|
|
|
# indexed by link-name
|
|
self._sender_links = {} # SenderLink
|
|
self._receiver_links = {} # ReceiverLink
|
|
|
|
self._timers = {} # indexed by expiration date
|
|
self._timers_heap = [] # sorted by expiration date
|
|
|
|
self._read_done = False
|
|
self._write_done = False
|
|
self._error = None
|
|
self._next_deadline = 0
|
|
self._user_context = None
|
|
self._active = False
|
|
self._in_process = False
|
|
self._remote_session_id = 0
|
|
|
|
self._pn_ssl = self._configure_ssl(properties)
|
|
|
|
# TODO(kgiusti) sasl configuration and handling
|
|
self._pn_sasl = None
|
|
self._sasl_done = False
|
|
|
|
@property
|
|
def container(self):
|
|
return self._container
|
|
|
|
@property
|
|
# TODO(kgiusti) - hopefully remove
|
|
def pn_transport(self):
|
|
return self._pn_transport
|
|
|
|
@property
|
|
# TODO(kgiusti) - hopefully remove
|
|
def pn_connection(self):
|
|
return self._pn_connection
|
|
|
|
@property
|
|
def name(self):
|
|
return self._name
|
|
|
|
@property
|
|
def remote_container(self):
|
|
"""Return the name of the remote container. Should be present once the
|
|
connection is active.
|
|
"""
|
|
return self._pn_connection.remote_container
|
|
|
|
@property
|
|
def remote_hostname(self):
|
|
"""Return the hostname advertised by the remote, if present."""
|
|
if self._pn_connection:
|
|
return self._pn_connection.remote_hostname
|
|
return None
|
|
|
|
# TODO(kgiusti) - think about server side use of sasl!
|
|
@property
|
|
def pn_sasl(self):
|
|
if not self._pn_sasl:
|
|
self._pn_sasl = self._pn_transport.sasl()
|
|
return self._pn_sasl
|
|
|
|
@property
|
|
def sasl(self):
|
|
warn(DeprecationWarning("sasl deprecated, use pn_sasl instead"))
|
|
return self.pn_sasl
|
|
|
|
def pn_ssl(self):
|
|
"""Return the Proton SSL context for this Connection."""
|
|
return self._pn_ssl
|
|
|
|
def _get_user_context(self):
|
|
return self._user_context
|
|
|
|
def _set_user_context(self, ctxt):
|
|
self._user_context = ctxt
|
|
|
|
_uc_docstr = """Associate an arbitrary user object with this Connection."""
|
|
user_context = property(_get_user_context, _set_user_context,
|
|
doc=_uc_docstr)
|
|
|
|
def open(self):
|
|
self._pn_connection.open()
|
|
|
|
def close(self, pn_condition=None):
|
|
for link in self._sender_links.itervalues():
|
|
link.close(pn_condition)
|
|
for link in self._receiver_links.itervalues():
|
|
link.close(pn_condition)
|
|
if pn_condition:
|
|
self._pn_connection.condition = pn_condition
|
|
self._pn_connection.close()
|
|
|
|
@property
|
|
def active(self):
|
|
"""Return True if both ends of the Connection are open."""
|
|
return self._endpoint_state == self._ACTIVE
|
|
|
|
@property
|
|
def closed(self):
|
|
"""Return True if the Connection has finished closing."""
|
|
return (self._write_done and self._read_done)
|
|
|
|
def destroy(self):
|
|
self._sender_links.clear()
|
|
self._receiver_links.clear()
|
|
self._container._remove_connection(self._name)
|
|
self._container = None
|
|
self._pn_collector = None
|
|
self._pn_connection = None
|
|
self._pn_transport = None
|
|
self._user_context = None
|
|
|
|
_REMOTE_REQ = (proton.Endpoint.LOCAL_UNINIT
|
|
| proton.Endpoint.REMOTE_ACTIVE)
|
|
_CLOSED = (proton.Endpoint.LOCAL_CLOSED | proton.Endpoint.REMOTE_CLOSED)
|
|
_ACTIVE = (proton.Endpoint.LOCAL_ACTIVE | proton.Endpoint.REMOTE_ACTIVE)
|
|
|
|
def process(self, now):
|
|
"""Perform connection state processing."""
|
|
if self._in_process:
|
|
raise RuntimeError("Connection.process() is not re-entrant!")
|
|
self._in_process = True
|
|
try:
|
|
# if the connection has hit an unrecoverable error,
|
|
# nag the application until connection is destroyed
|
|
if self._error:
|
|
if self._handler:
|
|
self._handler.connection_failed(self, self._error)
|
|
# nag application until connection is destroyed
|
|
self._next_deadline = now
|
|
return now
|
|
|
|
# wait until SASL has authenticated
|
|
# TODO(kgiusti) Server-side SASL
|
|
if self._pn_sasl:
|
|
if self._pn_sasl.state not in (proton.SASL.STATE_PASS,
|
|
proton.SASL.STATE_FAIL):
|
|
LOG.debug("SASL in progress. State=%s",
|
|
str(self._pn_sasl.state))
|
|
if self._handler:
|
|
self._handler.sasl_step(self, self._pn_sasl)
|
|
return self._next_deadline
|
|
|
|
if self._handler:
|
|
self._handler.sasl_done(self, self._pn_sasl,
|
|
self._pn_sasl.outcome)
|
|
self._pn_sasl = None
|
|
|
|
# process timer events:
|
|
timer_deadline = self._expire_timers(now)
|
|
transport_deadline = self._pn_transport.tick(now)
|
|
if timer_deadline and transport_deadline:
|
|
self._next_deadline = min(timer_deadline, transport_deadline)
|
|
else:
|
|
self._next_deadline = timer_deadline or transport_deadline
|
|
|
|
# process events from proton:
|
|
pn_event = self._pn_collector.peek()
|
|
while pn_event:
|
|
if pn_event.type == proton.Event.CONNECTION_REMOTE_STATE:
|
|
self.process_remote_state()
|
|
|
|
elif pn_event.type == proton.Event.CONNECTION_LOCAL_STATE:
|
|
self.process_local_state()
|
|
|
|
elif pn_event.type == proton.Event.SESSION_REMOTE_STATE:
|
|
pn_session = pn_event.session
|
|
# create a new session if requested by remote:
|
|
if (pn_session.state == self._REMOTE_REQ):
|
|
LOG.debug("Opening remotely initiated session")
|
|
name = "session-%d" % self._remote_session_id
|
|
self._remote_session_id += 1
|
|
session = _SessionProxy(name, self, pn_session)
|
|
pn_session.context.process_remote_state()
|
|
|
|
elif pn_event.type == proton.Event.SESSION_LOCAL_STATE:
|
|
pn_session = pn_event.session
|
|
pn_session.context.process_local_state()
|
|
|
|
elif pn_event.type == proton.Event.LINK_REMOTE_STATE:
|
|
pn_link = pn_event.link
|
|
# create a new link if requested by remote:
|
|
if (pn_link.state == self._REMOTE_REQ):
|
|
session = pn_link.session.context
|
|
if (pn_link.is_sender and
|
|
pn_link.name not in self._sender_links):
|
|
LOG.debug("Remotely initiated Sender needs init")
|
|
link = session.request_sender(pn_link)
|
|
self._sender_links[pn_link.name] = link
|
|
elif (pn_link.is_receiver and
|
|
pn_link.name not in self._receiver_links):
|
|
LOG.debug("Remotely initiated Receiver needs init")
|
|
link = session.request_receiver(pn_link)
|
|
self._receiver_links[pn_link.name] = link
|
|
pn_link.context.process_remote_state()
|
|
|
|
elif pn_event.type == proton.Event.LINK_LOCAL_STATE:
|
|
pn_link = pn_event.link
|
|
pn_link.context.process_local_state()
|
|
|
|
elif pn_event.type == proton.Event.DELIVERY:
|
|
link = pn_event.link.context
|
|
pn_delivery = pn_event.delivery
|
|
link._process_delivery(pn_delivery)
|
|
|
|
elif pn_event.type == proton.Event.LINK_FLOW:
|
|
link = pn_event.link.context
|
|
link._process_credit()
|
|
|
|
self._pn_collector.pop()
|
|
pn_event = self._pn_collector.peek()
|
|
|
|
# invoked closed callback after endpoint has fully closed and all
|
|
# pending I/O has completed:
|
|
if (self._active and
|
|
self._endpoint_state == self._CLOSED and
|
|
self._read_done and self._write_done):
|
|
self._active = False
|
|
if self._handler:
|
|
self._handler.connection_closed(self)
|
|
|
|
return self._next_deadline
|
|
|
|
finally:
|
|
self._in_process = False
|
|
|
|
@property
|
|
def next_tick(self):
|
|
warn(DeprecationWarning("next_tick deprecated, use deadline instead"))
|
|
return self.deadline
|
|
|
|
@property
|
|
def deadline(self):
|
|
"""Must invoke process() on or before this timestamp."""
|
|
return self._next_deadline
|
|
|
|
@property
|
|
def needs_input(self):
|
|
if self._read_done:
|
|
return self.EOS
|
|
try:
|
|
# TODO(grs): can this actually throw?
|
|
capacity = self._pn_transport.capacity()
|
|
except Exception as e:
|
|
return self._connection_failed(str(e))
|
|
if capacity >= 0:
|
|
return capacity
|
|
self._read_done = True
|
|
return self.EOS
|
|
|
|
def process_input(self, in_data):
|
|
c = min(self.needs_input, len(in_data))
|
|
if c <= 0:
|
|
return c
|
|
try:
|
|
rc = self._pn_transport.push(in_data[:c])
|
|
except Exception as e:
|
|
return self._connection_failed(str(e))
|
|
if rc: # error?
|
|
self._read_done = True
|
|
return self.EOS
|
|
# hack: check if this was the last input needed by the connection.
|
|
# If so, this will set the _read_done flag and the 'connection closed'
|
|
# callback can be issued on the next call to process()
|
|
self.needs_input
|
|
return c
|
|
|
|
def close_input(self, reason=None):
|
|
if not self._read_done:
|
|
try:
|
|
self._pn_transport.close_tail()
|
|
except Exception as e:
|
|
self._connection_failed(str(e))
|
|
self._read_done = True
|
|
|
|
@property
|
|
def has_output(self):
|
|
if self._write_done:
|
|
return self.EOS
|
|
try:
|
|
pending = self._pn_transport.pending()
|
|
except Exception as e:
|
|
return self._connection_failed(str(e))
|
|
if pending >= 0:
|
|
return pending
|
|
self._write_done = True
|
|
return self.EOS
|
|
|
|
def output_data(self):
|
|
"""Get a buffer of data that needs to be written to the network.
|
|
"""
|
|
c = self.has_output
|
|
if c <= 0:
|
|
return None
|
|
try:
|
|
buf = self._pn_transport.peek(c)
|
|
except Exception as e:
|
|
self._connection_failed(str(e))
|
|
return None
|
|
return buf
|
|
|
|
def output_written(self, count):
|
|
try:
|
|
self._pn_transport.pop(count)
|
|
except Exception as e:
|
|
return self._connection_failed(str(e))
|
|
# hack: check if this was the last output from the connection. If so,
|
|
# this will set the _write_done flag and the 'connection closed'
|
|
# callback can be issued on the next call to process()
|
|
self.has_output
|
|
|
|
def close_output(self, reason=None):
|
|
if not self._write_done:
|
|
try:
|
|
self._pn_transport.close_head()
|
|
except Exception as e:
|
|
self._connection_failed(str(e))
|
|
self._write_done = True
|
|
|
|
def create_sender(self, source_address, target_address=None,
|
|
event_handler=None, name=None, properties=None):
|
|
"""Factory method for Sender links."""
|
|
ident = name or str(source_address)
|
|
if ident in self._sender_links:
|
|
raise KeyError("Sender %s already exists!" % ident)
|
|
|
|
session = _SessionProxy(ident, self)
|
|
session.open()
|
|
sl = session.new_sender(ident)
|
|
sl.configure(target_address, source_address, event_handler, properties)
|
|
self._sender_links[ident] = sl
|
|
return sl
|
|
|
|
def accept_sender(self, link_handle, source_override=None,
|
|
event_handler=None, properties=None):
|
|
link = self._sender_links.get(link_handle)
|
|
if not link:
|
|
raise Exception("Invalid link_handle: %s" % link_handle)
|
|
pn_link = link._pn_link
|
|
if pn_link.remote_source.dynamic and not source_override:
|
|
raise Exception("A source address must be supplied!")
|
|
source_addr = source_override or pn_link.remote_source.address
|
|
link.configure(pn_link.remote_target.address,
|
|
source_addr,
|
|
event_handler, properties)
|
|
return link
|
|
|
|
def reject_sender(self, link_handle, reason):
|
|
"""Rejects the SenderLink, and destroys the handle."""
|
|
link = self._sender_links.get(link_handle)
|
|
if not link:
|
|
raise Exception("Invalid link_handle: %s" % link_handle)
|
|
link.reject(reason)
|
|
link.destroy()
|
|
|
|
def create_receiver(self, target_address, source_address=None,
|
|
event_handler=None, name=None, properties=None):
|
|
"""Factory method for creating Receive links."""
|
|
ident = name or str(target_address)
|
|
if ident in self._receiver_links:
|
|
raise KeyError("Receiver %s already exists!" % ident)
|
|
|
|
session = _SessionProxy(ident, self)
|
|
session.open()
|
|
rl = session.new_receiver(ident)
|
|
rl.configure(target_address, source_address, event_handler, properties)
|
|
self._receiver_links[ident] = rl
|
|
return rl
|
|
|
|
def accept_receiver(self, link_handle, target_override=None,
|
|
event_handler=None, properties=None):
|
|
link = self._receiver_links.get(link_handle)
|
|
if not link:
|
|
raise Exception("Invalid link_handle: %s" % link_handle)
|
|
pn_link = link._pn_link
|
|
if pn_link.remote_target.dynamic and not target_override:
|
|
raise Exception("A target address must be supplied!")
|
|
target_addr = target_override or pn_link.remote_target.address
|
|
link.configure(target_addr,
|
|
pn_link.remote_source.address,
|
|
event_handler, properties)
|
|
return link
|
|
|
|
def reject_receiver(self, link_handle, pn_condition=None):
|
|
link = self._receiver_links.get(link_handle)
|
|
if not link:
|
|
raise Exception("Invalid link_handle: %s" % link_handle)
|
|
link.reject(pn_condition)
|
|
link.destroy()
|
|
|
|
@property
|
|
def _endpoint_state(self):
|
|
return self._pn_connection.state
|
|
|
|
def _remove_sender(self, name):
|
|
if name in self._sender_links:
|
|
del self._sender_links[name]
|
|
|
|
def _remove_receiver(self, name):
|
|
if name in self._receiver_links:
|
|
del self._receiver_links[name]
|
|
|
|
def _connection_failed(self, error):
|
|
"""Clean up after connection failure detected."""
|
|
if not self._error:
|
|
LOG.error("Connection failed: %s", str(error))
|
|
self._read_done = True
|
|
self._write_done = True
|
|
self._error = error
|
|
# report error during the next call to process()
|
|
self._next_deadline = time.time()
|
|
return self.EOS
|
|
|
|
def _configure_ssl(self, properties):
|
|
if not properties:
|
|
return None
|
|
verify_modes = {'verify-peer': proton.SSLDomain.VERIFY_PEER_NAME,
|
|
'verify-cert': proton.SSLDomain.VERIFY_PEER,
|
|
'no-verify': proton.SSLDomain.ANONYMOUS_PEER}
|
|
|
|
mode = proton.SSLDomain.MODE_CLIENT
|
|
if properties.get('x-ssl-server'):
|
|
mode = proton.SSLDomain.MODE_SERVER
|
|
|
|
identity = properties.get('x-ssl-identity')
|
|
ca_file = properties.get('x-ssl-ca-file')
|
|
|
|
if not identity and not ca_file:
|
|
return None # SSL not configured
|
|
|
|
hostname = None
|
|
# This will throw proton.SSLUnavailable if SSL support is not installed
|
|
domain = proton.SSLDomain(mode)
|
|
if identity:
|
|
# our identity:
|
|
domain.set_credentials(identity[0], identity[1], identity[2])
|
|
if ca_file:
|
|
# how we verify peers:
|
|
domain.set_trusted_ca_db(ca_file)
|
|
hostname = properties.get('x-ssl-peer-name')
|
|
vdefault = 'verify-peer' if hostname else 'verify-cert'
|
|
vmode = verify_modes.get(properties.get('x-ssl-verify-mode',
|
|
vdefault))
|
|
# check for configuration error
|
|
if not vmode:
|
|
raise proton.SSLException("bad value for x-ssl-verify-mode")
|
|
if vmode == proton.SSLDomain.VERIFY_PEER_NAME and not hostname:
|
|
raise proton.SSLException("verify-peer needs x-ssl-peer-name")
|
|
domain.set_peer_authentication(vmode, ca_file)
|
|
if mode == proton.SSLDomain.MODE_SERVER:
|
|
if properties.get('x-ssl-allow-cleartext'):
|
|
domain.allow_unsecured_client()
|
|
pn_ssl = proton.SSL(self._pn_transport, domain)
|
|
if hostname:
|
|
pn_ssl.peer_hostname = hostname
|
|
LOG.debug("SSL configured for connection %s", self._name)
|
|
return pn_ssl
|
|
|
|
def _add_timer(self, deadline, callback):
|
|
callbacks = self._timers.get(deadline)
|
|
if callbacks:
|
|
callbacks.add(callback)
|
|
else:
|
|
callbacks = set()
|
|
callbacks.add(callback)
|
|
self._timers[deadline] = callbacks
|
|
heapq.heappush(self._timers_heap, deadline)
|
|
if deadline < self._next_deadline:
|
|
self._next_deadline = deadline
|
|
|
|
def _cancel_timer(self, deadline, callback):
|
|
callbacks = self._timers.get(deadline)
|
|
if callbacks:
|
|
callbacks.discard(callback)
|
|
# next expire will discard empty deadlines
|
|
|
|
def _expire_timers(self, now):
|
|
while (self._timers_heap and
|
|
self._timers_heap[0] <= now):
|
|
deadline = heapq.heappop(self._timers_heap)
|
|
callbacks = self._timers.get(deadline)
|
|
if callbacks:
|
|
del self._timers[deadline]
|
|
for cb in callbacks:
|
|
cb()
|
|
return self._timers_heap[0] if self._timers_heap else 0
|
|
|
|
# endpoint state machine actions:
|
|
|
|
def _ep_active(self):
|
|
"""Both ends of the Endpoint have become active."""
|
|
LOG.debug("Connection is up")
|
|
if not self._active:
|
|
self._active = True
|
|
if self._handler:
|
|
self._handler.connection_active(self)
|
|
|
|
def _ep_need_close(self):
|
|
"""The remote has closed its end of the endpoint."""
|
|
LOG.debug("Connection remotely closed")
|
|
if self._handler:
|
|
cond = self._pn_connection.remote_condition
|
|
self._handler.connection_remote_closed(self, cond)
|