67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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""" This module contains all the persistence actions done by the federation
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package.
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These actions are mostly only used by the :py:mod:`.replication` module.
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"""
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import logging
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from typing import Optional, Tuple
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from synapse.federation.units import Transaction
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from synapse.logging.utils import log_function
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from synapse.types import JsonDict
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logger = logging.getLogger(__name__)
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class TransactionActions:
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"""Defines persistence actions that relate to handling Transactions."""
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def __init__(self, datastore):
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self.store = datastore
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@log_function
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async def have_responded(
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self, origin: str, transaction: Transaction
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) -> Optional[Tuple[int, JsonDict]]:
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"""Have we already responded to a transaction with the same id and
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origin?
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Returns:
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`None` if we have not previously responded to this transaction or a
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2-tuple of `(int, dict)` representing the response code and response body.
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"""
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transaction_id = transaction.transaction_id # type: ignore
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if not transaction_id:
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raise RuntimeError("Cannot persist a transaction with no transaction_id")
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return await self.store.get_received_txn_response(transaction_id, origin)
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@log_function
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async def set_response(
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self, origin: str, transaction: Transaction, code: int, response: JsonDict
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) -> None:
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"""Persist how we responded to a transaction."""
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transaction_id = transaction.transaction_id # type: ignore
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if not transaction_id:
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raise RuntimeError("Cannot persist a transaction with no transaction_id")
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await self.store.set_received_txn_response(
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transaction_id, origin, code, response
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)
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