123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136 |
- # -*- 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
|