64 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			2.1 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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| 
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| """ This module contains all the persistence actions done by the federation
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| package.
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| 
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| These actions are mostly only used by the :py:mod:`.replication` module.
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| """
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| 
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| import logging
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| 
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| from synapse.logging.utils import log_function
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| 
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| logger = logging.getLogger(__name__)
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| 
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| 
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| class TransactionActions(object):
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|     """ Defines persistence actions that relate to handling Transactions.
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|     """
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| 
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|     def __init__(self, datastore):
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|         self.store = datastore
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| 
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|     @log_function
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|     def have_responded(self, origin, transaction):
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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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| 
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|         Returns:
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|             Deferred: Results in `None` if we have not previously responded to
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|             this transaction or a 2-tuple of `(int, dict)` representing the
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|             response code and response body.
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|         """
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|         if not transaction.transaction_id:
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|             raise RuntimeError("Cannot persist a transaction with no transaction_id")
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| 
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|         return self.store.get_received_txn_response(transaction.transaction_id, origin)
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| 
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|     @log_function
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|     def set_response(self, origin, transaction, code, response):
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|         """ Persist how we responded to a transaction.
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| 
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|         Returns:
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|             Deferred
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|         """
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|         if not transaction.transaction_id:
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|             raise RuntimeError("Cannot persist a transaction with no transaction_id")
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| 
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|         return self.store.set_received_txn_response(
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|             transaction.transaction_id, origin, code, response
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|         )
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