mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-12-25 10:39:22 -05:00
Factor per-destination stuff out of TransactionQueue
This is easier than having to have a million fields keyed on destination.
This commit is contained in:
Richard van der Hoff
parent
6accbd25bc
commit
5d89a526f1
@ -27,6 +27,7 @@ from synapse.api.errors import (
|
||||
HttpResponseException,
|
||||
RequestSendFailed,
|
||||
)
|
||||
from synapse.events import EventBase
|
||||
from synapse.handlers.presence import format_user_presence_state, get_interested_remotes
|
||||
from synapse.metrics import (
|
||||
LaterGauge,
|
||||
@ -36,6 +37,7 @@ 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 import logcontext
|
||||
from synapse.util.metrics import measure_func
|
||||
from synapse.util.retryutils import NotRetryingDestination, get_retry_limiter
|
||||
@ -80,73 +82,47 @@ class TransactionQueue(object):
|
||||
|
||||
self.store = hs.get_datastore()
|
||||
self.state = hs.get_state_handler()
|
||||
self.transaction_actions = TransactionActions(self.store)
|
||||
|
||||
self.transport_layer = hs.get_federation_transport_client()
|
||||
|
||||
self.clock = hs.get_clock()
|
||||
self.is_mine_id = hs.is_mine_id
|
||||
|
||||
# Is a mapping from destinations -> deferreds. Used to keep track
|
||||
# of which destinations have transactions in flight and when they are
|
||||
# done
|
||||
self.pending_transactions = {}
|
||||
self._transaction_sender = TransactionSender(hs)
|
||||
|
||||
# map from destination to PerDestinationQueue
|
||||
self._per_destination_queues = {} # type: dict[str, PerDestinationQueue]
|
||||
|
||||
LaterGauge(
|
||||
"synapse_federation_transaction_queue_pending_destinations",
|
||||
"",
|
||||
[],
|
||||
lambda: len(self.pending_transactions),
|
||||
lambda: sum(
|
||||
1 for d in self._per_destination_queues.values()
|
||||
if d.transmission_loop_running
|
||||
),
|
||||
)
|
||||
|
||||
# Is a mapping from destination -> list of
|
||||
# tuple(pending pdus, deferred, order)
|
||||
self.pending_pdus_by_dest = pdus = {}
|
||||
# destination -> list of tuple(edu, deferred)
|
||||
self.pending_edus_by_dest = edus = {}
|
||||
|
||||
# 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 = {}
|
||||
|
||||
# Map of destination -> user_id -> UserPresenceState of pending presence
|
||||
# to be sent to each destinations
|
||||
self.pending_presence_by_dest = presence = {}
|
||||
|
||||
# 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 destination -> (edu_type, key) -> Edu
|
||||
self.pending_edus_keyed_by_dest = edus_keyed = {}
|
||||
|
||||
LaterGauge(
|
||||
"synapse_federation_transaction_queue_pending_pdus",
|
||||
"",
|
||||
[],
|
||||
lambda: sum(map(len, pdus.values())),
|
||||
lambda: sum(
|
||||
d.pending_pdu_count() for d in self._per_destination_queues.values()
|
||||
),
|
||||
)
|
||||
LaterGauge(
|
||||
"synapse_federation_transaction_queue_pending_edus",
|
||||
"",
|
||||
[],
|
||||
lambda: (
|
||||
sum(map(len, edus.values()))
|
||||
+ sum(map(len, presence.values()))
|
||||
+ sum(map(len, edus_keyed.values()))
|
||||
lambda: sum(
|
||||
d.pending_edu_count() for d in self._per_destination_queues.values()
|
||||
),
|
||||
)
|
||||
|
||||
# destination -> stream_id of last successfully sent to-device message.
|
||||
# NB: may be a long or an int.
|
||||
self.last_device_stream_id_by_dest = {}
|
||||
|
||||
# destination -> stream_id of last successfully sent device list
|
||||
# update.
|
||||
self.last_device_list_stream_id_by_dest = {}
|
||||
|
||||
# HACK to get unique tx id
|
||||
self._next_txn_id = int(self.clock.time_msec())
|
||||
|
||||
self._order = 1
|
||||
|
||||
self._is_processing = False
|
||||
@ -154,6 +130,13 @@ class TransactionQueue(object):
|
||||
|
||||
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_sender, 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.
|
||||
@ -284,11 +267,7 @@ class TransactionQueue(object):
|
||||
sent_pdus_destination_dist_count.inc()
|
||||
|
||||
for destination in destinations:
|
||||
self.pending_pdus_by_dest.setdefault(destination, []).append(
|
||||
(pdu, order)
|
||||
)
|
||||
|
||||
self._attempt_new_transaction(destination)
|
||||
self._get_per_destination_queue(destination).send_pdu(pdu, order)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def send_read_receipt(self, receipt):
|
||||
@ -387,14 +366,7 @@ class TransactionQueue(object):
|
||||
for destination in destinations:
|
||||
if destination == self.server_name:
|
||||
continue
|
||||
|
||||
self.pending_presence_by_dest.setdefault(
|
||||
destination, {}
|
||||
).update({
|
||||
state.user_id: state for state in states
|
||||
})
|
||||
|
||||
self._attempt_new_transaction(destination)
|
||||
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
|
||||
@ -425,73 +397,136 @@ class TransactionQueue(object):
|
||||
edu (Edu): edu to send
|
||||
key (Any|None): clobbering key for this edu
|
||||
"""
|
||||
queue = self._get_per_destination_queue(edu.destination)
|
||||
if key:
|
||||
self.pending_edus_keyed_by_dest.setdefault(
|
||||
edu.destination, {}
|
||||
)[(edu.edu_type, key)] = edu
|
||||
queue.send_keyed_edu(edu, key)
|
||||
else:
|
||||
self.pending_edus_by_dest.setdefault(edu.destination, []).append(edu)
|
||||
|
||||
self._attempt_new_transaction(edu.destination)
|
||||
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._attempt_new_transaction(destination)
|
||||
self._get_per_destination_queue(destination).attempt_new_transaction()
|
||||
|
||||
def get_current_token(self):
|
||||
return 0
|
||||
|
||||
def _attempt_new_transaction(self, destination):
|
||||
|
||||
class PerDestinationQueue(object):
|
||||
"""
|
||||
Manages the per-destination transmission queues.
|
||||
"""
|
||||
def __init__(self, hs, transaction_sender, destination):
|
||||
self._server_name = hs.hostname
|
||||
self._clock = hs.get_clock()
|
||||
self._store = hs.get_datastore()
|
||||
self._transaction_sender = transaction_sender
|
||||
|
||||
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.
|
||||
|
||||
Args:
|
||||
destination (str):
|
||||
|
||||
Returns:
|
||||
None
|
||||
"""
|
||||
# list of (pending_pdu, deferred, order)
|
||||
if destination in self.pending_transactions:
|
||||
# XXX: pending_transactions can get stuck on by a never-ending
|
||||
# request at which point pending_pdus_by_dest just keeps growing.
|
||||
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",
|
||||
destination
|
||||
self._destination
|
||||
)
|
||||
return
|
||||
|
||||
logger.debug("TX [%s] Starting transaction loop", destination)
|
||||
logger.debug("TX [%s] Starting transaction loop", self._destination)
|
||||
|
||||
run_as_background_process(
|
||||
"federation_transaction_transmission_loop",
|
||||
self._transaction_transmission_loop,
|
||||
destination,
|
||||
)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _transaction_transmission_loop(self, destination):
|
||||
def _transaction_transmission_loop(self):
|
||||
pending_pdus = []
|
||||
try:
|
||||
self.pending_transactions[destination] = 1
|
||||
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(destination, self.clock, self.store)
|
||||
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(destination)
|
||||
yield self._get_new_device_messages()
|
||||
)
|
||||
|
||||
# BEGIN CRITICAL SECTION
|
||||
@ -501,39 +536,38 @@ class TransactionQueue(object):
|
||||
# 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
|
||||
# pending_transactions flag.
|
||||
# transmission_loop_running flag.
|
||||
|
||||
pending_pdus = self.pending_pdus_by_dest.pop(destination, [])
|
||||
pending_pdus = self._pending_pdus
|
||||
|
||||
# We can only include at most 50 PDUs per transactions
|
||||
pending_pdus, leftover_pdus = pending_pdus[:50], pending_pdus[50:]
|
||||
if leftover_pdus:
|
||||
self.pending_pdus_by_dest[destination] = leftover_pdus
|
||||
pending_pdus, self._pending_pdus = pending_pdus[:50], pending_pdus[50:]
|
||||
|
||||
pending_edus = self.pending_edus_by_dest.pop(destination, [])
|
||||
pending_edus = self._pending_edus
|
||||
|
||||
# We can only include at most 100 EDUs per transactions
|
||||
pending_edus, leftover_edus = pending_edus[:100], pending_edus[100:]
|
||||
if leftover_edus:
|
||||
self.pending_edus_by_dest[destination] = leftover_edus
|
||||
|
||||
pending_presence = self.pending_presence_by_dest.pop(destination, {})
|
||||
pending_edus, self._pending_edus = pending_edus[:100], pending_edus[100:]
|
||||
|
||||
pending_edus.extend(
|
||||
self.pending_edus_keyed_by_dest.pop(destination, {}).values()
|
||||
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=destination,
|
||||
origin=self._server_name,
|
||||
destination=self._destination,
|
||||
edu_type="m.presence",
|
||||
content={
|
||||
"push": [
|
||||
format_user_presence_state(
|
||||
presence, self.clock.time_msec()
|
||||
presence, self._clock.time_msec()
|
||||
)
|
||||
for presence in pending_presence.values()
|
||||
]
|
||||
@ -543,19 +577,17 @@ class TransactionQueue(object):
|
||||
|
||||
if pending_pdus:
|
||||
logger.debug("TX [%s] len(pending_pdus_by_dest[dest]) = %d",
|
||||
destination, len(pending_pdus))
|
||||
self._destination, len(pending_pdus))
|
||||
|
||||
if not pending_pdus and not pending_edus:
|
||||
logger.debug("TX [%s] Nothing to send", destination)
|
||||
self.last_device_stream_id_by_dest[destination] = (
|
||||
device_stream_id
|
||||
)
|
||||
logger.debug("TX [%s] Nothing to send", self._destination)
|
||||
self._last_device_stream_id = device_stream_id
|
||||
return
|
||||
|
||||
# END CRITICAL SECTION
|
||||
|
||||
success = yield self._send_new_transaction(
|
||||
destination, pending_pdus, pending_edus,
|
||||
success = yield self._transaction_sender.send_new_transaction(
|
||||
self._destination, pending_pdus, pending_edus
|
||||
)
|
||||
if success:
|
||||
sent_transactions_counter.inc()
|
||||
@ -565,23 +597,25 @@ class TransactionQueue(object):
|
||||
# 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(
|
||||
destination, device_stream_id
|
||||
yield self._store.delete_device_msgs_for_remote(
|
||||
self._destination, device_stream_id
|
||||
)
|
||||
logger.info("Marking as sent %r %r", destination, dev_list_id)
|
||||
yield self.store.mark_as_sent_devices_by_remote(
|
||||
destination, dev_list_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_by_dest[destination] = device_stream_id
|
||||
self.last_device_list_stream_id_by_dest[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",
|
||||
destination,
|
||||
self._destination,
|
||||
datetime.datetime.fromtimestamp(
|
||||
(e.retry_last_ts + e.retry_interval) / 1000.0
|
||||
),
|
||||
@ -591,51 +625,51 @@ class TransactionQueue(object):
|
||||
except HttpResponseException as e:
|
||||
logger.warning(
|
||||
"TX [%s] Received %d response to transaction: %s",
|
||||
destination, e.code, e,
|
||||
self._destination, e.code, e,
|
||||
)
|
||||
except RequestSendFailed as e:
|
||||
logger.warning("TX [%s] Failed to send transaction: %s", destination, 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,
|
||||
destination)
|
||||
self._destination)
|
||||
except Exception:
|
||||
logger.exception(
|
||||
"TX [%s] Failed to send transaction",
|
||||
destination,
|
||||
self._destination,
|
||||
)
|
||||
for p, _ in pending_pdus:
|
||||
logger.info("Failed to send event %s to %s", p.event_id,
|
||||
destination)
|
||||
self._destination)
|
||||
finally:
|
||||
# We want to be *very* sure we delete this after we stop processing
|
||||
self.pending_transactions.pop(destination, None)
|
||||
# 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, destination):
|
||||
last_device_stream_id = self.last_device_stream_id_by_dest.get(destination, 0)
|
||||
to_device_stream_id = self.store.get_to_device_stream_token()
|
||||
contents, stream_id = yield self.store.get_new_device_msgs_for_remote(
|
||||
destination, last_device_stream_id, to_device_stream_id
|
||||
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=destination,
|
||||
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_by_dest.get(destination, 0)
|
||||
now_stream_id, results = yield self.store.get_devices_by_remote(
|
||||
destination, last_device_list
|
||||
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=destination,
|
||||
origin=self._server_name,
|
||||
destination=self._destination,
|
||||
edu_type="m.device_list_update",
|
||||
content=content,
|
||||
)
|
||||
@ -643,9 +677,25 @@ class TransactionQueue(object):
|
||||
)
|
||||
defer.returnValue((edus, stream_id, now_stream_id))
|
||||
|
||||
|
||||
class TransactionSender(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()
|
||||
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):
|
||||
def send_new_transaction(self, destination, pending_pdus, pending_edus):
|
||||
|
||||
# Sort based on the order field
|
||||
pending_pdus.sort(key=lambda t: t[1])
|
||||
@ -669,9 +719,9 @@ class TransactionQueue(object):
|
||||
logger.debug("TX [%s] Persisting transaction...", destination)
|
||||
|
||||
transaction = Transaction.create_new(
|
||||
origin_server_ts=int(self.clock.time_msec()),
|
||||
origin_server_ts=int(self._clock.time_msec()),
|
||||
transaction_id=txn_id,
|
||||
origin=self.server_name,
|
||||
origin=self._server_name,
|
||||
destination=destination,
|
||||
pdus=pdus,
|
||||
edus=edus,
|
||||
@ -679,7 +729,7 @@ class TransactionQueue(object):
|
||||
|
||||
self._next_txn_id += 1
|
||||
|
||||
yield self.transaction_actions.prepare_to_send(transaction)
|
||||
yield self._transaction_actions.prepare_to_send(transaction)
|
||||
|
||||
logger.debug("TX [%s] Persisted transaction", destination)
|
||||
logger.info(
|
||||
@ -697,7 +747,7 @@ class TransactionQueue(object):
|
||||
# keys work
|
||||
def json_data_cb():
|
||||
data = transaction.get_dict()
|
||||
now = int(self.clock.time_msec())
|
||||
now = int(self._clock.time_msec())
|
||||
if "pdus" in data:
|
||||
for p in data["pdus"]:
|
||||
if "age_ts" in p:
|
||||
@ -707,7 +757,7 @@ class TransactionQueue(object):
|
||||
return data
|
||||
|
||||
try:
|
||||
response = yield self.transport_layer.send_transaction(
|
||||
response = yield self._transport_layer.send_transaction(
|
||||
transaction, json_data_cb
|
||||
)
|
||||
code = 200
|
||||
@ -727,7 +777,7 @@ class TransactionQueue(object):
|
||||
destination, txn_id, code
|
||||
)
|
||||
|
||||
yield self.transaction_actions.delivered(
|
||||
yield self._transaction_actions.delivered(
|
||||
transaction, code, response
|
||||
)
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user