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Send-to-device support (#1072)
* Groundwork for send-to-device messaging * Update sample config * Add unstable routing for now * Send to device consumer in sync API * Start the send-to-device consumer * fix indentation in dendrite-config.yaml * Create send-to-device database tables, other tweaks * Add some logic for send-to-device messages, add them into sync stream * Handle incoming send-to-device messages, count them with EDU stream pos * Undo changes to test * pq.Array * Fix sync * Logging * Fix a couple of transaction things, fix client API * Add send-to-device test, hopefully fix bugs * Comments * Refactor a bit * Fix schema * Fix queries * Debug logging * Fix storing and retrieving of send-to-device messages * Try to avoid database locks * Update sync position * Use latest sync position * Jiggle about sync a bit * Fix tests * Break out the retrieval from the update/delete behaviour * Comments * nolint on getResponseWithPDUsForCompleteSync * Try to line up sync tokens again * Implement wildcard * Add all send-to-device tests to whitelist, what could possibly go wrong? * Only care about wildcard when targeted locally * Deduplicate transactions * Handle tokens properly, return immediately if waiting send-to-device messages * Fix sync * Update sytest-whitelist * Fix copyright notice (need to do more of this) * Comments, copyrights * Return errors from Do, fix dendritejs * Review comments * Comments * Constructor for TransactionWriter * defletions * Update gomatrixserverlib, sytest-blacklist
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39 changed files with 1302 additions and 60 deletions
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@ -1,3 +1,17 @@
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// Copyright 2020 The Matrix.org Foundation C.I.C.
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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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package tables
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import (
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@ -94,3 +108,28 @@ type BackwardsExtremities interface {
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// DeleteBackwardExtremity removes a backwards extremity for a room, if one existed.
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DeleteBackwardExtremity(ctx context.Context, txn *sql.Tx, roomID, knownEventID string) (err error)
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}
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// SendToDevice tracks send-to-device messages which are sent to individual
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// clients. Each message gets inserted into this table at the point that we
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// receive it from the EDU server.
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//
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// We're supposed to try and do our best to deliver send-to-device messages
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// once, but the only way that we can really guarantee that they have been
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// delivered is if the client successfully requests the next sync as given
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// in the next_batch. Each time the device syncs, we will request all of the
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// updates that either haven't been sent yet, along with all updates that we
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// *have* sent but we haven't confirmed to have been received yet. If it's the
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// first time we're sending a given update then we update the table to say
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// what the "since" parameter was when we tried to send it.
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//
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// When the client syncs again, if their "since" parameter is *later* than
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// the recorded one, we drop the entry from the DB as it's "sent". If the
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// sync parameter isn't later then we will keep including the updates in the
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// sync response, as the client is seemingly trying to repeat the same /sync.
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type SendToDevice interface {
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InsertSendToDeviceMessage(ctx context.Context, txn *sql.Tx, userID, deviceID, content string) (err error)
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SelectSendToDeviceMessages(ctx context.Context, txn *sql.Tx, userID, deviceID string) (events []types.SendToDeviceEvent, err error)
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UpdateSentSendToDeviceMessages(ctx context.Context, txn *sql.Tx, token string, nids []types.SendToDeviceNID) (err error)
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DeleteSendToDeviceMessages(ctx context.Context, txn *sql.Tx, nids []types.SendToDeviceNID) (err error)
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CountSendToDeviceMessages(ctx context.Context, txn *sql.Tx, userID, deviceID string) (count int, err error)
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}
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