mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-10-01 11:49:51 -04:00
470 lines
16 KiB
Python
470 lines
16 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 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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import logging
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import ujson as json
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from twisted.internet import defer
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from synapse.api.errors import StoreError
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from ._base import SQLBaseStore
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logger = logging.getLogger(__name__)
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class DeviceStore(SQLBaseStore):
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@defer.inlineCallbacks
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def store_device(self, user_id, device_id,
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initial_device_display_name,
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ignore_if_known=True):
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"""Ensure the given device is known; add it to the store if not
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Args:
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user_id (str): id of user associated with the device
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device_id (str): id of device
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initial_device_display_name (str): initial displayname of the
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device. Ignored if device exists.
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Returns:
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defer.Deferred: boolean whether the device was inserted or an
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existing device existed with that ID.
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"""
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try:
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inserted = yield self._simple_insert(
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"devices",
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values={
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"user_id": user_id,
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"device_id": device_id,
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"display_name": initial_device_display_name
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},
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desc="store_device",
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or_ignore=True,
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)
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defer.returnValue(inserted)
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except Exception as e:
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logger.error("store_device with device_id=%s(%r) user_id=%s(%r)"
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" display_name=%s(%r) failed: %s",
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type(device_id).__name__, device_id,
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type(user_id).__name__, user_id,
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type(initial_device_display_name).__name__,
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initial_device_display_name, e)
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raise StoreError(500, "Problem storing device.")
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def get_device(self, user_id, device_id):
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"""Retrieve a device.
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Args:
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user_id (str): The ID of the user which owns the device
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device_id (str): The ID of the device to retrieve
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Returns:
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defer.Deferred for a dict containing the device information
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Raises:
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StoreError: if the device is not found
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"""
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return self._simple_select_one(
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table="devices",
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keyvalues={"user_id": user_id, "device_id": device_id},
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retcols=("user_id", "device_id", "display_name"),
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desc="get_device",
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)
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def delete_device(self, user_id, device_id):
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"""Delete a device.
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Args:
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user_id (str): The ID of the user which owns the device
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device_id (str): The ID of the device to delete
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Returns:
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defer.Deferred
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"""
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return self._simple_delete_one(
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table="devices",
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keyvalues={"user_id": user_id, "device_id": device_id},
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desc="delete_device",
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)
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def update_device(self, user_id, device_id, new_display_name=None):
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"""Update a device.
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Args:
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user_id (str): The ID of the user which owns the device
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device_id (str): The ID of the device to update
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new_display_name (str|None): new displayname for device; None
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to leave unchanged
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Raises:
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StoreError: if the device is not found
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Returns:
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defer.Deferred
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"""
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updates = {}
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if new_display_name is not None:
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updates["display_name"] = new_display_name
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if not updates:
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return defer.succeed(None)
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return self._simple_update_one(
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table="devices",
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keyvalues={"user_id": user_id, "device_id": device_id},
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updatevalues=updates,
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desc="update_device",
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)
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@defer.inlineCallbacks
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def get_devices_by_user(self, user_id):
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"""Retrieve all of a user's registered devices.
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Args:
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user_id (str):
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Returns:
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defer.Deferred: resolves to a dict from device_id to a dict
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containing "device_id", "user_id" and "display_name" for each
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device.
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"""
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devices = yield self._simple_select_list(
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table="devices",
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keyvalues={"user_id": user_id},
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retcols=("user_id", "device_id", "display_name"),
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desc="get_devices_by_user"
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)
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defer.returnValue({d["device_id"]: d for d in devices})
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def get_device_list_remote_extremity(self, user_id):
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return self._simple_select_one_onecol(
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table="device_lists_remote_extremeties",
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keyvalues={"user_id": user_id},
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retcol="stream_id",
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desc="get_device_list_remote_extremity",
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allow_none=True,
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)
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def update_remote_device_list_cache_entry(self, user_id, device_id, content,
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stream_id):
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return self.runInteraction(
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"update_remote_device_list_cache_entry",
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self._update_remote_device_list_cache_entry_txn,
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user_id, device_id, content, stream_id,
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)
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def _update_remote_device_list_cache_entry_txn(self, txn, user_id, device_id,
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content, stream_id):
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self._simple_upsert_txn(
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txn,
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table="device_lists_remote_cache",
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keyvalues={
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"user_id": user_id,
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"device_id": device_id,
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},
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values={
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"content": json.dumps(content),
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}
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)
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self._simple_upsert_txn(
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txn,
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table="device_lists_remote_extremeties",
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keyvalues={
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"user_id": user_id,
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},
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values={
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"stream_id": stream_id,
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}
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)
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def update_remote_device_list_cache(self, user_id, devices, stream_id):
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return self.runInteraction(
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"update_remote_device_list_cache",
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self._update_remote_device_list_cache_txn,
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user_id, devices, stream_id,
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)
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def _update_remote_device_list_cache_txn(self, txn, user_id, devices,
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stream_id):
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self._simple_delete_txn(
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txn,
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table="device_lists_remote_cache",
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keyvalues={
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"user_id": user_id,
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},
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)
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self._simple_insert_many_txn(
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txn,
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table="device_lists_remote_cache",
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values=[
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{
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"user_id": user_id,
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"device_id": content["device_id"],
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"content": json.dumps(content),
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}
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for content in devices
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]
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)
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self._simple_upsert_txn(
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txn,
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table="device_lists_remote_extremeties",
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keyvalues={
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"user_id": user_id,
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},
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values={
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"stream_id": stream_id,
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}
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)
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def get_devices_by_remote(self, destination, from_stream_id):
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now_stream_id = self._device_list_id_gen.get_current_token()
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has_changed = self._device_list_federation_stream_cache.has_entity_changed(
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destination, int(from_stream_id)
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)
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if not has_changed:
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return (now_stream_id, [])
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return self.runInteraction(
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"get_devices_by_remote", self._get_devices_by_remote_txn,
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destination, from_stream_id, now_stream_id,
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)
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def _get_devices_by_remote_txn(self, txn, destination, from_stream_id,
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now_stream_id):
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sql = """
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SELECT user_id, device_id, max(stream_id) FROM device_lists_outbound_pokes
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WHERE destination = ? AND stream_id > ? AND stream_id <= ? AND sent = ?
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GROUP BY user_id, device_id
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"""
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txn.execute(
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sql, (destination, from_stream_id, now_stream_id, False)
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)
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rows = txn.fetchall()
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if not rows:
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return (now_stream_id, [])
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# maps (user_id, device_id) -> stream_id
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query_map = {(r[0], r[1]): r[2] for r in rows}
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devices = self._get_e2e_device_keys_txn(
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txn, query_map.keys(), include_all_devices=True
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)
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prev_sent_id_sql = """
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SELECT coalesce(max(stream_id), 0) as stream_id
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FROM device_lists_outbound_pokes
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WHERE destination = ? AND user_id = ? AND sent = ?
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"""
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results = []
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for user_id, user_devices in devices.iteritems():
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txn.execute(prev_sent_id_sql, (destination, user_id, True))
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rows = txn.fetchall()
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prev_id = rows[0][0]
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for device_id, device in user_devices.iteritems():
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stream_id = query_map[(user_id, device_id)]
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result = {
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"user_id": user_id,
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"device_id": device_id,
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"prev_id": [prev_id] if prev_id else [],
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"stream_id": stream_id,
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}
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prev_id = stream_id
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key_json = device.get("key_json", None)
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if key_json:
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result["keys"] = json.loads(key_json)
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device_display_name = device.get("device_display_name", None)
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if device_display_name:
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result["device_display_name"] = device_display_name
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results.append(result)
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return (now_stream_id, results)
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def get_user_devices_from_cache(self, query_list):
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return self.runInteraction(
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"get_user_devices_from_cache", self._get_user_devices_from_cache_txn,
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query_list,
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)
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def _get_user_devices_from_cache_txn(self, txn, query_list):
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user_ids = {user_id for user_id, _ in query_list}
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user_ids_in_cache = set()
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for user_id in user_ids:
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stream_ids = self._simple_select_onecol_txn(
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txn,
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table="device_lists_remote_extremeties",
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keyvalues={
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"user_id": user_id,
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},
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retcol="stream_id",
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)
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if stream_ids:
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user_ids_in_cache.add(user_id)
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user_ids_not_in_cache = user_ids - user_ids_in_cache
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results = {}
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for user_id, device_id in query_list:
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if user_id not in user_ids_in_cache:
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continue
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if device_id:
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content = self._simple_select_one_onecol_txn(
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txn,
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table="device_lists_remote_cache",
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keyvalues={
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"user_id": user_id,
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"device_id": device_id,
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},
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retcol="content",
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)
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results.setdefault(user_id, {})[device_id] = json.loads(content)
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else:
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devices = self._simple_select_list_txn(
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txn,
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table="device_lists_remote_cache",
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keyvalues={
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"user_id": user_id,
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},
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retcols=("device_id", "content"),
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)
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results[user_id] = {
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device["device_id"]: json.loads(device["content"])
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for device in devices
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}
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user_ids_in_cache.discard(user_id)
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return user_ids_not_in_cache, results
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def get_devices_with_keys_by_user(self, user_id):
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return self.runInteraction(
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"get_devices_with_keys_by_user",
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self._get_devices_with_keys_by_user_txn, user_id,
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)
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def _get_devices_with_keys_by_user_txn(self, txn, user_id):
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now_stream_id = self._device_list_id_gen.get_current_token()
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devices = self._get_e2e_device_keys_txn(
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txn, [(user_id, None)], include_all_devices=True
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)
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for user_id, user_devices in devices.iteritems():
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results = []
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for device_id, device in user_devices.iteritems():
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result = {
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"device_id": device_id,
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}
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key_json = device.get("key_json", None)
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if key_json:
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result["keys"] = json.loads(key_json)
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device_display_name = device.get("device_display_name", None)
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if device_display_name:
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result["device_display_name"] = device_display_name
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results.append(result)
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return now_stream_id, results
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return now_stream_id, []
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def mark_as_sent_devices_by_remote(self, destination, stream_id):
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return self.runInteraction(
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"mark_as_sent_devices_by_remote", self._mark_as_sent_devices_by_remote_txn,
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destination, stream_id,
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)
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def _mark_as_sent_devices_by_remote_txn(self, txn, destination, stream_id):
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sql = """
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DELETE FROM device_lists_outbound_pokes
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WHERE destination = ? AND stream_id < (
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SELECT coalesce(max(stream_id), 0) FROM device_lists_outbound_pokes
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WHERE destination = ? AND stream_id <= ?
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)
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"""
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txn.execute(sql, (destination, destination, stream_id,))
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sql = """
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UPDATE device_lists_outbound_pokes SET sent = ?
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WHERE destination = ? AND stream_id <= ?
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"""
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txn.execute(sql, (True, destination, stream_id,))
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@defer.inlineCallbacks
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def get_user_whose_devices_changed(self, from_key):
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from_key = int(from_key)
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changed = self._device_list_stream_cache.get_all_entities_changed(from_key)
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if changed is not None:
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defer.returnValue(set(changed))
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sql = """
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SELECT user_id FROM device_lists_stream WHERE stream_id > ?
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"""
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rows = yield self._execute("get_user_whose_devices_changed", None, sql, from_key)
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defer.returnValue(set(row["user_id"] for row in rows))
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@defer.inlineCallbacks
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def add_device_change_to_streams(self, user_id, device_ids, hosts):
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# device_lists_stream
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# device_lists_outbound_pokes
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with self._device_list_id_gen.get_next() as stream_id:
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yield self.runInteraction(
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"add_device_change_to_streams", self._add_device_change_txn,
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user_id, device_ids, hosts, stream_id,
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)
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defer.returnValue(stream_id)
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def _add_device_change_txn(self, txn, user_id, device_ids, hosts, stream_id):
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txn.call_after(
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self._device_list_stream_cache.entity_has_changed,
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user_id, stream_id,
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)
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for host in hosts:
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txn.call_after(
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self._device_list_federation_stream_cache.entity_has_changed,
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host, stream_id,
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)
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self._simple_insert_many_txn(
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txn,
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table="device_lists_stream",
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values=[
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{
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"stream_id": stream_id,
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"user_id": user_id,
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"device_id": device_id,
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}
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for device_id in device_ids
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]
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)
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self._simple_insert_many_txn(
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txn,
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table="device_lists_outbound_pokes",
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values=[
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{
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"destination": destination,
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"stream_id": stream_id,
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"user_id": user_id,
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"device_id": device_id,
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"sent": False,
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}
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for destination in hosts
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for device_id in device_ids
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]
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)
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def get_device_stream_token(self):
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return self._device_list_id_gen.get_current_token()
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