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-rw-r--r--synapse/storage/transactions.py154
1 files changed, 4 insertions, 150 deletions
diff --git a/synapse/storage/transactions.py b/synapse/storage/transactions.py
index 5055c04b24..adab520c78 100644
--- a/synapse/storage/transactions.py
+++ b/synapse/storage/transactions.py
@@ -16,13 +16,12 @@
 from ._base import SQLBaseStore
 from synapse.util.caches.descriptors import cached
 
-from twisted.internet import defer, reactor
+from twisted.internet import defer
 
 from canonicaljson import encode_canonical_json
 
 from collections import namedtuple
 
-import itertools
 import logging
 import ujson as json
 
@@ -50,20 +49,6 @@ class TransactionStore(SQLBaseStore):
     def __init__(self, hs):
         super(TransactionStore, self).__init__(hs)
 
-        # New transactions that are currently in flights
-        self.inflight_transactions = {}
-
-        # Newly delievered transactions that *weren't* persisted while in flight
-        self.new_delivered_transactions = {}
-
-        # Newly delivered transactions that *were* persisted while in flight
-        self.update_delivered_transactions = {}
-
-        self.last_transaction = {}
-
-        reactor.addSystemEventTrigger("before", "shutdown", self._persist_in_mem_txns)
-        self._clock.looping_call(self._persist_in_mem_txns, 1000)
-
         self._clock.looping_call(self._cleanup_transactions, 30 * 60 * 1000)
 
     def get_received_txn_response(self, transaction_id, origin):
@@ -148,46 +133,7 @@ class TransactionStore(SQLBaseStore):
         Returns:
             list: A list of previous transaction ids.
         """
-
-        auto_id = self._transaction_id_gen.get_next()
-
-        txn_row = _TransactionRow(
-            id=auto_id,
-            transaction_id=transaction_id,
-            destination=destination,
-            ts=origin_server_ts,
-            response_code=0,
-            response_json=None,
-        )
-
-        self.inflight_transactions.setdefault(destination, {})[transaction_id] = txn_row
-
-        prev_txn = self.last_transaction.get(destination)
-        if prev_txn:
-            return defer.succeed(prev_txn)
-        else:
-            return self.runInteraction(
-                "_get_prevs_txn",
-                self._get_prevs_txn,
-                destination,
-            )
-
-    def _get_prevs_txn(self, txn, destination):
-        # First we find out what the prev_txns should be.
-        # Since we know that we are only sending one transaction at a time,
-        # we can simply take the last one.
-        query = (
-            "SELECT * FROM sent_transactions"
-            " WHERE destination = ?"
-            " ORDER BY id DESC LIMIT 1"
-        )
-
-        txn.execute(query, (destination,))
-        results = self.cursor_to_dict(txn)
-
-        prev_txns = [r["transaction_id"] for r in results]
-
-        return prev_txns
+        return defer.succeed([])
 
     def delivered_txn(self, transaction_id, destination, code, response_dict):
         """Persists the response for an outgoing transaction.
@@ -198,52 +144,7 @@ class TransactionStore(SQLBaseStore):
             code (int)
             response_json (str)
         """
-
-        txn_row = self.inflight_transactions.get(
-            destination, {}
-        ).pop(transaction_id, None)
-
-        self.last_transaction[destination] = transaction_id
-
-        if txn_row:
-            d = self.new_delivered_transactions.setdefault(destination, {})
-            d[transaction_id] = txn_row._replace(
-                response_code=code,
-                response_json=None,  # For now, don't persist response
-            )
-        else:
-            d = self.update_delivered_transactions.setdefault(destination, {})
-            # For now, don't persist response
-            d[transaction_id] = _UpdateTransactionRow(code, None)
-
-    def get_transactions_after(self, transaction_id, destination):
-        """Get all transactions after a given local transaction_id.
-
-        Args:
-            transaction_id (str)
-            destination (str)
-
-        Returns:
-            list: A list of dicts
-        """
-        return self.runInteraction(
-            "get_transactions_after",
-            self._get_transactions_after, transaction_id, destination
-        )
-
-    def _get_transactions_after(self, txn, transaction_id, destination):
-        query = (
-            "SELECT * FROM sent_transactions"
-            " WHERE destination = ? AND id >"
-            " ("
-            " SELECT id FROM sent_transactions"
-            " WHERE transaction_id = ? AND destination = ?"
-            " )"
-        )
-
-        txn.execute(query, (destination, transaction_id, destination))
-
-        return self.cursor_to_dict(txn)
+        pass
 
     @cached(max_entries=10000)
     def get_destination_retry_timings(self, destination):
@@ -339,58 +240,11 @@ class TransactionStore(SQLBaseStore):
         txn.execute(query, (self._clock.time_msec(),))
         return self.cursor_to_dict(txn)
 
-    @defer.inlineCallbacks
-    def _persist_in_mem_txns(self):
-        try:
-            inflight = self.inflight_transactions
-            new_delivered = self.new_delivered_transactions
-            update_delivered = self.update_delivered_transactions
-
-            self.inflight_transactions = {}
-            self.new_delivered_transactions = {}
-            self.update_delivered_transactions = {}
-
-            full_rows = [
-                row._asdict()
-                for txn_map in itertools.chain(inflight.values(), new_delivered.values())
-                for row in txn_map.values()
-            ]
-
-            def f(txn):
-                if full_rows:
-                    self._simple_insert_many_txn(
-                        txn=txn,
-                        table="sent_transactions",
-                        values=full_rows
-                    )
-
-                for dest, txn_map in update_delivered.items():
-                    for txn_id, update_row in txn_map.items():
-                        self._simple_update_one_txn(
-                            txn,
-                            table="sent_transactions",
-                            keyvalues={
-                                "transaction_id": txn_id,
-                                "destination": dest,
-                            },
-                            updatevalues={
-                                "response_code": update_row.response_code,
-                                "response_json": None,  # For now, don't persist response
-                            }
-                        )
-
-            if full_rows or update_delivered:
-                yield self.runInteraction("_persist_in_mem_txns", f)
-        except:
-            logger.exception("Failed to persist transactions!")
-
     def _cleanup_transactions(self):
         now = self._clock.time_msec()
         month_ago = now - 30 * 24 * 60 * 60 * 1000
-        six_hours_ago = now - 6 * 60 * 60 * 1000
 
         def _cleanup_transactions_txn(txn):
             txn.execute("DELETE FROM received_transactions WHERE ts < ?", (month_ago,))
-            txn.execute("DELETE FROM sent_transactions WHERE ts < ?", (six_hours_ago,))
 
-        return self.runInteraction("_persist_in_mem_txns", _cleanup_transactions_txn)
+        return self.runInteraction("_cleanup_transactions", _cleanup_transactions_txn)