diff --git a/synapse/federation/sender/__init__.py b/synapse/federation/sender/__init__.py
new file mode 100644
index 0000000000..1bcc353d18
--- /dev/null
+++ b/synapse/federation/sender/__init__.py
@@ -0,0 +1,388 @@
+# -*- coding: utf-8 -*-
+# Copyright 2019 New Vector Ltd
+#
+# 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.
+
+import logging
+
+from six import itervalues
+
+from prometheus_client import Counter
+
+from twisted.internet import defer
+
+import synapse.metrics
+from synapse.federation.sender.per_destination_queue import PerDestinationQueue
+from synapse.federation.sender.transaction_manager import TransactionManager
+from synapse.federation.units import Edu
+from synapse.handlers.presence import get_interested_remotes
+from synapse.metrics import (
+ LaterGauge,
+ event_processing_loop_counter,
+ event_processing_loop_room_count,
+ events_processed_counter,
+)
+from synapse.metrics.background_process_metrics import run_as_background_process
+from synapse.util import logcontext
+from synapse.util.metrics import measure_func
+
+logger = logging.getLogger(__name__)
+
+sent_pdus_destination_dist_count = Counter(
+ "synapse_federation_client_sent_pdu_destinations:count",
+ "Number of PDUs queued for sending to one or more destinations",
+)
+
+sent_pdus_destination_dist_total = Counter(
+ "synapse_federation_client_sent_pdu_destinations:total", ""
+ "Total number of PDUs queued for sending across all destinations",
+)
+
+
+class FederationSender(object):
+ def __init__(self, hs):
+ self.hs = hs
+ self.server_name = hs.hostname
+
+ self.store = hs.get_datastore()
+ self.state = hs.get_state_handler()
+
+ self.clock = hs.get_clock()
+ self.is_mine_id = hs.is_mine_id
+
+ self._transaction_manager = TransactionManager(hs)
+
+ # map from destination to PerDestinationQueue
+ self._per_destination_queues = {} # type: dict[str, PerDestinationQueue]
+
+ LaterGauge(
+ "synapse_federation_transaction_queue_pending_destinations",
+ "",
+ [],
+ lambda: sum(
+ 1 for d in self._per_destination_queues.values()
+ if d.transmission_loop_running
+ ),
+ )
+
+ # Map of user_id -> UserPresenceState for all the pending presence
+ # to be sent out by user_id. Entries here get processed and put in
+ # pending_presence_by_dest
+ self.pending_presence = {}
+
+ LaterGauge(
+ "synapse_federation_transaction_queue_pending_pdus",
+ "",
+ [],
+ lambda: sum(
+ d.pending_pdu_count() for d in self._per_destination_queues.values()
+ ),
+ )
+ LaterGauge(
+ "synapse_federation_transaction_queue_pending_edus",
+ "",
+ [],
+ lambda: sum(
+ d.pending_edu_count() for d in self._per_destination_queues.values()
+ ),
+ )
+
+ self._order = 1
+
+ self._is_processing = False
+ self._last_poked_id = -1
+
+ self._processing_pending_presence = False
+
+ def _get_per_destination_queue(self, destination):
+ queue = self._per_destination_queues.get(destination)
+ if not queue:
+ queue = PerDestinationQueue(self.hs, self._transaction_manager, destination)
+ self._per_destination_queues[destination] = queue
+ return queue
+
+ def notify_new_events(self, current_id):
+ """This gets called when we have some new events we might want to
+ send out to other servers.
+ """
+ self._last_poked_id = max(current_id, self._last_poked_id)
+
+ if self._is_processing:
+ return
+
+ # fire off a processing loop in the background
+ run_as_background_process(
+ "process_event_queue_for_federation",
+ self._process_event_queue_loop,
+ )
+
+ @defer.inlineCallbacks
+ def _process_event_queue_loop(self):
+ try:
+ self._is_processing = True
+ while True:
+ last_token = yield self.store.get_federation_out_pos("events")
+ next_token, events = yield self.store.get_all_new_events_stream(
+ last_token, self._last_poked_id, limit=100,
+ )
+
+ logger.debug("Handling %s -> %s", last_token, next_token)
+
+ if not events and next_token >= self._last_poked_id:
+ break
+
+ @defer.inlineCallbacks
+ def handle_event(event):
+ # Only send events for this server.
+ send_on_behalf_of = event.internal_metadata.get_send_on_behalf_of()
+ is_mine = self.is_mine_id(event.sender)
+ if not is_mine and send_on_behalf_of is None:
+ return
+
+ try:
+ # Get the state from before the event.
+ # We need to make sure that this is the state from before
+ # the event and not from after it.
+ # Otherwise if the last member on a server in a room is
+ # banned then it won't receive the event because it won't
+ # be in the room after the ban.
+ destinations = yield self.state.get_current_hosts_in_room(
+ event.room_id, latest_event_ids=event.prev_event_ids(),
+ )
+ except Exception:
+ logger.exception(
+ "Failed to calculate hosts in room for event: %s",
+ event.event_id,
+ )
+ return
+
+ destinations = set(destinations)
+
+ if send_on_behalf_of is not None:
+ # If we are sending the event on behalf of another server
+ # then it already has the event and there is no reason to
+ # send the event to it.
+ destinations.discard(send_on_behalf_of)
+
+ logger.debug("Sending %s to %r", event, destinations)
+
+ self._send_pdu(event, destinations)
+
+ @defer.inlineCallbacks
+ def handle_room_events(events):
+ for event in events:
+ yield handle_event(event)
+
+ events_by_room = {}
+ for event in events:
+ events_by_room.setdefault(event.room_id, []).append(event)
+
+ yield logcontext.make_deferred_yieldable(defer.gatherResults(
+ [
+ logcontext.run_in_background(handle_room_events, evs)
+ for evs in itervalues(events_by_room)
+ ],
+ consumeErrors=True
+ ))
+
+ yield self.store.update_federation_out_pos(
+ "events", next_token
+ )
+
+ if events:
+ now = self.clock.time_msec()
+ ts = yield self.store.get_received_ts(events[-1].event_id)
+
+ synapse.metrics.event_processing_lag.labels(
+ "federation_sender").set(now - ts)
+ synapse.metrics.event_processing_last_ts.labels(
+ "federation_sender").set(ts)
+
+ events_processed_counter.inc(len(events))
+
+ event_processing_loop_room_count.labels(
+ "federation_sender"
+ ).inc(len(events_by_room))
+
+ event_processing_loop_counter.labels("federation_sender").inc()
+
+ synapse.metrics.event_processing_positions.labels(
+ "federation_sender").set(next_token)
+
+ finally:
+ self._is_processing = False
+
+ def _send_pdu(self, pdu, destinations):
+ # We loop through all destinations to see whether we already have
+ # a transaction in progress. If we do, stick it in the pending_pdus
+ # table and we'll get back to it later.
+
+ order = self._order
+ self._order += 1
+
+ destinations = set(destinations)
+ destinations.discard(self.server_name)
+ logger.debug("Sending to: %s", str(destinations))
+
+ if not destinations:
+ return
+
+ sent_pdus_destination_dist_total.inc(len(destinations))
+ sent_pdus_destination_dist_count.inc()
+
+ for destination in destinations:
+ self._get_per_destination_queue(destination).send_pdu(pdu, order)
+
+ @defer.inlineCallbacks
+ def send_read_receipt(self, receipt):
+ """Send a RR to any other servers in the room
+
+ Args:
+ receipt (synapse.types.ReadReceipt): receipt to be sent
+ """
+ # Work out which remote servers should be poked and poke them.
+ domains = yield self.state.get_current_hosts_in_room(receipt.room_id)
+ domains = [d for d in domains if d != self.server_name]
+ if not domains:
+ return
+
+ logger.debug("Sending receipt to: %r", domains)
+
+ content = {
+ receipt.room_id: {
+ receipt.receipt_type: {
+ receipt.user_id: {
+ "event_ids": receipt.event_ids,
+ "data": receipt.data,
+ },
+ },
+ },
+ }
+ key = (receipt.room_id, receipt.receipt_type, receipt.user_id)
+
+ for domain in domains:
+ self.build_and_send_edu(
+ destination=domain,
+ edu_type="m.receipt",
+ content=content,
+ key=key,
+ )
+
+ @logcontext.preserve_fn # the caller should not yield on this
+ @defer.inlineCallbacks
+ def send_presence(self, states):
+ """Send the new presence states to the appropriate destinations.
+
+ This actually queues up the presence states ready for sending and
+ triggers a background task to process them and send out the transactions.
+
+ Args:
+ states (list(UserPresenceState))
+ """
+ if not self.hs.config.use_presence:
+ # No-op if presence is disabled.
+ return
+
+ # First we queue up the new presence by user ID, so multiple presence
+ # updates in quick successtion are correctly handled
+ # We only want to send presence for our own users, so lets always just
+ # filter here just in case.
+ self.pending_presence.update({
+ state.user_id: state for state in states
+ if self.is_mine_id(state.user_id)
+ })
+
+ # We then handle the new pending presence in batches, first figuring
+ # out the destinations we need to send each state to and then poking it
+ # to attempt a new transaction. We linearize this so that we don't
+ # accidentally mess up the ordering and send multiple presence updates
+ # in the wrong order
+ if self._processing_pending_presence:
+ return
+
+ self._processing_pending_presence = True
+ try:
+ while True:
+ states_map = self.pending_presence
+ self.pending_presence = {}
+
+ if not states_map:
+ break
+
+ yield self._process_presence_inner(list(states_map.values()))
+ except Exception:
+ logger.exception("Error sending presence states to servers")
+ finally:
+ self._processing_pending_presence = False
+
+ @measure_func("txnqueue._process_presence")
+ @defer.inlineCallbacks
+ def _process_presence_inner(self, states):
+ """Given a list of states populate self.pending_presence_by_dest and
+ poke to send a new transaction to each destination
+
+ Args:
+ states (list(UserPresenceState))
+ """
+ hosts_and_states = yield get_interested_remotes(self.store, states, self.state)
+
+ for destinations, states in hosts_and_states:
+ for destination in destinations:
+ if destination == self.server_name:
+ continue
+ self._get_per_destination_queue(destination).send_presence(states)
+
+ def build_and_send_edu(self, destination, edu_type, content, key=None):
+ """Construct an Edu object, and queue it for sending
+
+ Args:
+ destination (str): name of server to send to
+ edu_type (str): type of EDU to send
+ content (dict): content of EDU
+ key (Any|None): clobbering key for this edu
+ """
+ if destination == self.server_name:
+ logger.info("Not sending EDU to ourselves")
+ return
+
+ edu = Edu(
+ origin=self.server_name,
+ destination=destination,
+ edu_type=edu_type,
+ content=content,
+ )
+
+ self.send_edu(edu, key)
+
+ def send_edu(self, edu, key):
+ """Queue an EDU for sending
+
+ Args:
+ edu (Edu): edu to send
+ key (Any|None): clobbering key for this edu
+ """
+ queue = self._get_per_destination_queue(edu.destination)
+ if key:
+ queue.send_keyed_edu(edu, key)
+ else:
+ queue.send_edu(edu)
+
+ def send_device_messages(self, destination):
+ if destination == self.server_name:
+ logger.info("Not sending device update to ourselves")
+ return
+
+ self._get_per_destination_queue(destination).attempt_new_transaction()
+
+ def get_current_token(self):
+ return 0
diff --git a/synapse/federation/sender/per_destination_queue.py b/synapse/federation/sender/per_destination_queue.py
new file mode 100644
index 0000000000..385039add4
--- /dev/null
+++ b/synapse/federation/sender/per_destination_queue.py
@@ -0,0 +1,318 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014-2016 OpenMarket Ltd
+# Copyright 2019 New Vector Ltd
+#
+# 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.
+import datetime
+import logging
+
+from prometheus_client import Counter
+
+from twisted.internet import defer
+
+from synapse.api.errors import (
+ FederationDeniedError,
+ HttpResponseException,
+ RequestSendFailed,
+)
+from synapse.events import EventBase
+from synapse.federation.units import Edu
+from synapse.handlers.presence import format_user_presence_state
+from synapse.metrics import sent_transactions_counter
+from synapse.metrics.background_process_metrics import run_as_background_process
+from synapse.storage import UserPresenceState
+from synapse.util.retryutils import NotRetryingDestination, get_retry_limiter
+
+logger = logging.getLogger(__name__)
+
+
+sent_edus_counter = Counter(
+ "synapse_federation_client_sent_edus",
+ "Total number of EDUs successfully sent",
+)
+
+sent_edus_by_type = Counter(
+ "synapse_federation_client_sent_edus_by_type",
+ "Number of sent EDUs successfully sent, by event type",
+ ["type"],
+)
+
+
+class PerDestinationQueue(object):
+ """
+ Manages the per-destination transmission queues.
+
+ Args:
+ hs (synapse.HomeServer):
+ transaction_sender (TransactionManager):
+ destination (str): the server_name of the destination that we are managing
+ transmission for.
+ """
+ def __init__(self, hs, transaction_manager, destination):
+ self._server_name = hs.hostname
+ self._clock = hs.get_clock()
+ self._store = hs.get_datastore()
+ self._transaction_manager = transaction_manager
+
+ self._destination = destination
+ self.transmission_loop_running = False
+
+ # a list of tuples of (pending pdu, order)
+ self._pending_pdus = [] # type: list[tuple[EventBase, int]]
+ self._pending_edus = [] # type: list[Edu]
+
+ # Pending EDUs by their "key". Keyed EDUs are EDUs that get clobbered
+ # based on their key (e.g. typing events by room_id)
+ # Map of (edu_type, key) -> Edu
+ self._pending_edus_keyed = {} # type: dict[tuple[str, str], Edu]
+
+ # Map of user_id -> UserPresenceState of pending presence to be sent to this
+ # destination
+ self._pending_presence = {} # type: dict[str, UserPresenceState]
+
+ # stream_id of last successfully sent to-device message.
+ # NB: may be a long or an int.
+ self._last_device_stream_id = 0
+
+ # stream_id of last successfully sent device list update.
+ self._last_device_list_stream_id = 0
+
+ def pending_pdu_count(self):
+ return len(self._pending_pdus)
+
+ def pending_edu_count(self):
+ return (
+ len(self._pending_edus)
+ + len(self._pending_presence)
+ + len(self._pending_edus_keyed)
+ )
+
+ def send_pdu(self, pdu, order):
+ """Add a PDU to the queue, and start the transmission loop if neccessary
+
+ Args:
+ pdu (EventBase): pdu to send
+ order (int):
+ """
+ self._pending_pdus.append((pdu, order))
+ self.attempt_new_transaction()
+
+ def send_presence(self, states):
+ """Add presence updates to the queue. Start the transmission loop if neccessary.
+
+ Args:
+ states (iterable[UserPresenceState]): presence to send
+ """
+ self._pending_presence.update({
+ state.user_id: state for state in states
+ })
+ self.attempt_new_transaction()
+
+ def send_keyed_edu(self, edu, key):
+ self._pending_edus_keyed[(edu.edu_type, key)] = edu
+ self.attempt_new_transaction()
+
+ def send_edu(self, edu):
+ self._pending_edus.append(edu)
+ self.attempt_new_transaction()
+
+ def attempt_new_transaction(self):
+ """Try to start a new transaction to this destination
+
+ If there is already a transaction in progress to this destination,
+ returns immediately. Otherwise kicks off the process of sending a
+ transaction in the background.
+ """
+ # list of (pending_pdu, deferred, order)
+ if self.transmission_loop_running:
+ # XXX: this can get stuck on by a never-ending
+ # request at which point pending_pdus just keeps growing.
+ # we need application-layer timeouts of some flavour of these
+ # requests
+ logger.debug(
+ "TX [%s] Transaction already in progress",
+ self._destination
+ )
+ return
+
+ logger.debug("TX [%s] Starting transaction loop", self._destination)
+
+ run_as_background_process(
+ "federation_transaction_transmission_loop",
+ self._transaction_transmission_loop,
+ )
+
+ @defer.inlineCallbacks
+ def _transaction_transmission_loop(self):
+ pending_pdus = []
+ try:
+ self.transmission_loop_running = True
+
+ # This will throw if we wouldn't retry. We do this here so we fail
+ # quickly, but we will later check this again in the http client,
+ # hence why we throw the result away.
+ yield get_retry_limiter(self._destination, self._clock, self._store)
+
+ pending_pdus = []
+ while True:
+ device_message_edus, device_stream_id, dev_list_id = (
+ yield self._get_new_device_messages()
+ )
+
+ # BEGIN CRITICAL SECTION
+ #
+ # In order to avoid a race condition, we need to make sure that
+ # the following code (from popping the queues up to the point
+ # where we decide if we actually have any pending messages) is
+ # atomic - otherwise new PDUs or EDUs might arrive in the
+ # meantime, but not get sent because we hold the
+ # transmission_loop_running flag.
+
+ pending_pdus = self._pending_pdus
+
+ # We can only include at most 50 PDUs per transactions
+ pending_pdus, self._pending_pdus = pending_pdus[:50], pending_pdus[50:]
+
+ pending_edus = self._pending_edus
+
+ # We can only include at most 100 EDUs per transactions
+ pending_edus, self._pending_edus = pending_edus[:100], pending_edus[100:]
+
+ pending_edus.extend(
+ self._pending_edus_keyed.values()
+ )
+
+ self._pending_edus_keyed = {}
+
+ pending_edus.extend(device_message_edus)
+
+ pending_presence = self._pending_presence
+ self._pending_presence = {}
+ if pending_presence:
+ pending_edus.append(
+ Edu(
+ origin=self._server_name,
+ destination=self._destination,
+ edu_type="m.presence",
+ content={
+ "push": [
+ format_user_presence_state(
+ presence, self._clock.time_msec()
+ )
+ for presence in pending_presence.values()
+ ]
+ },
+ )
+ )
+
+ if pending_pdus:
+ logger.debug("TX [%s] len(pending_pdus_by_dest[dest]) = %d",
+ self._destination, len(pending_pdus))
+
+ if not pending_pdus and not pending_edus:
+ logger.debug("TX [%s] Nothing to send", self._destination)
+ self._last_device_stream_id = device_stream_id
+ return
+
+ # END CRITICAL SECTION
+
+ success = yield self._transaction_manager.send_new_transaction(
+ self._destination, pending_pdus, pending_edus
+ )
+ if success:
+ sent_transactions_counter.inc()
+ sent_edus_counter.inc(len(pending_edus))
+ for edu in pending_edus:
+ sent_edus_by_type.labels(edu.edu_type).inc()
+ # Remove the acknowledged device messages from the database
+ # Only bother if we actually sent some device messages
+ if device_message_edus:
+ yield self._store.delete_device_msgs_for_remote(
+ self._destination, device_stream_id
+ )
+ logger.info(
+ "Marking as sent %r %r", self._destination, dev_list_id
+ )
+ yield self._store.mark_as_sent_devices_by_remote(
+ self._destination, dev_list_id
+ )
+
+ self._last_device_stream_id = device_stream_id
+ self._last_device_list_stream_id = dev_list_id
+ else:
+ break
+ except NotRetryingDestination as e:
+ logger.debug(
+ "TX [%s] not ready for retry yet (next retry at %s) - "
+ "dropping transaction for now",
+ self._destination,
+ datetime.datetime.fromtimestamp(
+ (e.retry_last_ts + e.retry_interval) / 1000.0
+ ),
+ )
+ except FederationDeniedError as e:
+ logger.info(e)
+ except HttpResponseException as e:
+ logger.warning(
+ "TX [%s] Received %d response to transaction: %s",
+ self._destination, e.code, e,
+ )
+ except RequestSendFailed as e:
+ logger.warning("TX [%s] Failed to send transaction: %s", self._destination, e)
+
+ for p, _ in pending_pdus:
+ logger.info("Failed to send event %s to %s", p.event_id,
+ self._destination)
+ except Exception:
+ logger.exception(
+ "TX [%s] Failed to send transaction",
+ self._destination,
+ )
+ for p, _ in pending_pdus:
+ logger.info("Failed to send event %s to %s", p.event_id,
+ self._destination)
+ finally:
+ # We want to be *very* sure we clear this after we stop processing
+ self.transmission_loop_running = False
+
+ @defer.inlineCallbacks
+ def _get_new_device_messages(self):
+ last_device_stream_id = self._last_device_stream_id
+ to_device_stream_id = self._store.get_to_device_stream_token()
+ contents, stream_id = yield self._store.get_new_device_msgs_for_remote(
+ self._destination, last_device_stream_id, to_device_stream_id
+ )
+ edus = [
+ Edu(
+ origin=self._server_name,
+ destination=self._destination,
+ edu_type="m.direct_to_device",
+ content=content,
+ )
+ for content in contents
+ ]
+
+ last_device_list = self._last_device_list_stream_id
+ now_stream_id, results = yield self._store.get_devices_by_remote(
+ self._destination, last_device_list
+ )
+ edus.extend(
+ Edu(
+ origin=self._server_name,
+ destination=self._destination,
+ edu_type="m.device_list_update",
+ content=content,
+ )
+ for content in results
+ )
+ defer.returnValue((edus, stream_id, now_stream_id))
diff --git a/synapse/federation/sender/transaction_manager.py b/synapse/federation/sender/transaction_manager.py
new file mode 100644
index 0000000000..35e6b8ff5b
--- /dev/null
+++ b/synapse/federation/sender/transaction_manager.py
@@ -0,0 +1,147 @@
+# -*- coding: utf-8 -*-
+# Copyright 2019 New Vector Ltd
+#
+# 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.
+import logging
+
+from twisted.internet import defer
+
+from synapse.api.errors import HttpResponseException
+from synapse.federation.persistence import TransactionActions
+from synapse.federation.units import Transaction
+from synapse.util.metrics import measure_func
+
+logger = logging.getLogger(__name__)
+
+
+class TransactionManager(object):
+ """Helper class which handles building and sending transactions
+
+ shared between PerDestinationQueue objects
+ """
+ def __init__(self, hs):
+ self._server_name = hs.hostname
+ self.clock = hs.get_clock() # nb must be called this for @measure_func
+ self._store = hs.get_datastore()
+ self._transaction_actions = TransactionActions(self._store)
+ self._transport_layer = hs.get_federation_transport_client()
+
+ # HACK to get unique tx id
+ self._next_txn_id = int(self.clock.time_msec())
+
+ @measure_func("_send_new_transaction")
+ @defer.inlineCallbacks
+ def send_new_transaction(self, destination, pending_pdus, pending_edus):
+
+ # Sort based on the order field
+ pending_pdus.sort(key=lambda t: t[1])
+ pdus = [x[0] for x in pending_pdus]
+ edus = pending_edus
+
+ success = True
+
+ logger.debug("TX [%s] _attempt_new_transaction", destination)
+
+ txn_id = str(self._next_txn_id)
+
+ logger.debug(
+ "TX [%s] {%s} Attempting new transaction"
+ " (pdus: %d, edus: %d)",
+ destination, txn_id,
+ len(pdus),
+ len(edus),
+ )
+
+ logger.debug("TX [%s] Persisting transaction...", destination)
+
+ transaction = Transaction.create_new(
+ origin_server_ts=int(self.clock.time_msec()),
+ transaction_id=txn_id,
+ origin=self._server_name,
+ destination=destination,
+ pdus=pdus,
+ edus=edus,
+ )
+
+ self._next_txn_id += 1
+
+ yield self._transaction_actions.prepare_to_send(transaction)
+
+ logger.debug("TX [%s] Persisted transaction", destination)
+ logger.info(
+ "TX [%s] {%s} Sending transaction [%s],"
+ " (PDUs: %d, EDUs: %d)",
+ destination, txn_id,
+ transaction.transaction_id,
+ len(pdus),
+ len(edus),
+ )
+
+ # Actually send the transaction
+
+ # FIXME (erikj): This is a bit of a hack to make the Pdu age
+ # keys work
+ def json_data_cb():
+ data = transaction.get_dict()
+ now = int(self.clock.time_msec())
+ if "pdus" in data:
+ for p in data["pdus"]:
+ if "age_ts" in p:
+ unsigned = p.setdefault("unsigned", {})
+ unsigned["age"] = now - int(p["age_ts"])
+ del p["age_ts"]
+ return data
+
+ try:
+ response = yield self._transport_layer.send_transaction(
+ transaction, json_data_cb
+ )
+ code = 200
+ except HttpResponseException as e:
+ code = e.code
+ response = e.response
+
+ if e.code in (401, 404, 429) or 500 <= e.code:
+ logger.info(
+ "TX [%s] {%s} got %d response",
+ destination, txn_id, code
+ )
+ raise e
+
+ logger.info(
+ "TX [%s] {%s} got %d response",
+ destination, txn_id, code
+ )
+
+ yield self._transaction_actions.delivered(
+ transaction, code, response
+ )
+
+ logger.debug("TX [%s] {%s} Marked as delivered", destination, txn_id)
+
+ if code == 200:
+ for e_id, r in response.get("pdus", {}).items():
+ if "error" in r:
+ logger.warn(
+ "TX [%s] {%s} Remote returned error for %s: %s",
+ destination, txn_id, e_id, r,
+ )
+ else:
+ for p in pdus:
+ logger.warn(
+ "TX [%s] {%s} Failed to send event %s",
+ destination, txn_id, p.event_id,
+ )
+ success = False
+
+ defer.returnValue(success)
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