137 lines
4.3 KiB
Python
137 lines
4.3 KiB
Python
# -*- 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),
|
|
)
|
|
|
|
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
|
|
|
|
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)
|
|
|
|
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
|
|
|
|
return success
|