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Add store-and-forward direct-to-device messaging

This commit is contained in:
Mark Haines 2016-08-25 17:35:37 +01:00
parent 3e86dcf1c0
commit e993925279
9 changed files with 288 additions and 4 deletions
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43
synapse/handlers/sync.py
View File

@ -35,6 +35,7 @@ SyncConfig = collections.namedtuple("SyncConfig", [
"filter_collection",
"is_guest",
"request_key",
"device_id",
])
@ -113,6 +114,7 @@ class SyncResult(collections.namedtuple("SyncResult", [
"joined", # JoinedSyncResult for each joined room.
"invited", # InvitedSyncResult for each invited room.
"archived", # ArchivedSyncResult for each archived room.
"to_device", # List of direct messages for the device.
])):
__slots__ = []
@ -126,7 +128,8 @@ class SyncResult(collections.namedtuple("SyncResult", [
self.joined or
self.invited or
self.archived or
self.account_data
self.account_data or
self.to_device
)
@ -527,15 +530,52 @@ class SyncHandler(object):
sync_result_builder, newly_joined_rooms, newly_joined_users
)
yield self._generate_sync_entry_for_to_device(sync_result_builder)
defer.returnValue(SyncResult(
presence=sync_result_builder.presence,
account_data=sync_result_builder.account_data,
joined=sync_result_builder.joined,
invited=sync_result_builder.invited,
archived=sync_result_builder.archived,
to_device=sync_result_builder.to_device,
next_batch=sync_result_builder.now_token,
))
@defer.inlineCallbacks
def _generate_sync_entry_for_to_device(self, sync_result_builder):
"""Generates the portion of the sync response. Populates
`sync_result_builder` with the result.
Args:
sync_result_builder(SyncResultBuilder)
Returns:
Deferred(dict): A dictionary containing the per room account data.
"""
user_id = sync_result_builder.sync_config.user.to_string()
device_id = sync_result_builder.sync_config.device_id
now_token = sync_result_builder.now_token
since_stream_id = 0
if sync_result_builder.since_token is not None:
since_stream_id = int(sync_result_builder.since_token.to_device_key)
if since_stream_id:
logger.debug("Deleting messages up to %d", since_stream_id)
yield self.store.delete_messages_for_device(
user_id, device_id, since_stream_id
)
logger.debug("Getting messages up to %d", now_token.to_device_key)
messages, stream_id = yield self.store.get_new_messages_for_device(
user_id, device_id, now_token.to_device_key
)
logger.debug("Got messages up to %d: %r", stream_id, messages)
sync_result_builder.now_token = now_token.copy_and_replace(
"to_device_key", stream_id
)
sync_result_builder.to_device = messages
@defer.inlineCallbacks
def _generate_sync_entry_for_account_data(self, sync_result_builder):
"""Generates the account data portion of the sync response. Populates
@ -1103,6 +1143,7 @@ class SyncResultBuilder(object):
self.joined = []
self.invited = []
self.archived = []
self.device = []
class RoomSyncResultBuilder(object):

2
synapse/rest/__init__.py
View File

@ -49,6 +49,7 @@ from synapse.rest.client.v2_alpha import (
notifications,
devices,
thirdparty,
sendtodevice,
)
from synapse.http.server import JsonResource
@ -96,3 +97,4 @@ class ClientRestResource(JsonResource):
notifications.register_servlets(hs, client_resource)
devices.register_servlets(hs, client_resource)
thirdparty.register_servlets(hs, client_resource)
sendtodevice.register_servlets(hs, client_resource)

69
synapse/rest/client/v2_alpha/sendtodevice.py Normal file
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@ -0,0 +1,69 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
from twisted.internet import defer
from synapse.http.servlet import parse_json_object_from_request
from synapse.http import servlet
from ._base import client_v2_patterns
logger = logging.getLogger(__name__)
class SendToDeviceRestServlet(servlet.RestServlet):
PATTERNS = client_v2_patterns(
"/sendToDevice/(?P<message_type>[^/]*)/(?P<txn_id>[^/]*)$",
releases=[], v2_alpha=False
)
def __init__(self, hs):
"""
Args:
hs (synapse.server.HomeServer): server
"""
super(SendToDeviceRestServlet, self).__init__()
self.hs = hs
self.auth = hs.get_auth()
self.store = hs.get_datastore()
self.is_mine_id = hs.is_mine_id
@defer.inlineCallbacks
def on_PUT(self, request, message_type, txn_id):
requester = yield self.auth.get_user_by_req(request)
content = parse_json_object_from_request(request)
local_messages = {}
for user_id, by_device in content["messages"].items():
if self.is_mine_id(user_id):
messages_by_device = {
device_id: {
"content": message_content,
"type": message_type,
"sender": requester.user.to_string(),
}
for device_id, message_content in by_device.items()
}
local_messages[user_id] = messages_by_device
yield self.store.add_messages_to_device_inbox(local_messages)
defer.returnValue((200, {}))
def register_servlets(hs, http_server):
SendToDeviceRestServlet(hs).register(http_server)

9
synapse/rest/client/v2_alpha/sync.py
View File

@ -97,6 +97,7 @@ class SyncRestServlet(RestServlet):
request, allow_guest=True
)
user = requester.user
device_id = requester.device_id
timeout = parse_integer(request, "timeout", default=0)
since = parse_string(request, "since")
@ -109,12 +110,12 @@ class SyncRestServlet(RestServlet):
logger.info(
"/sync: user=%r, timeout=%r, since=%r,"
" set_presence=%r, filter_id=%r" % (
user, timeout, since, set_presence, filter_id
" set_presence=%r, filter_id=%r, device_id=%r" % (
user, timeout, since, set_presence, filter_id, device_id
)
)
request_key = (user, timeout, since, filter_id, full_state)
request_key = (user, timeout, since, filter_id, full_state, device_id)
if filter_id:
if filter_id.startswith('{'):
@ -136,6 +137,7 @@ class SyncRestServlet(RestServlet):
filter_collection=filter,
is_guest=requester.is_guest,
request_key=request_key,
device_id=device_id,
)
if since is not None:
@ -173,6 +175,7 @@ class SyncRestServlet(RestServlet):
response_content = {
"account_data": {"events": sync_result.account_data},
"to_device": {"events": sync_result.to_device},
"presence": self.encode_presence(
sync_result.presence, time_now
),

5
synapse/storage/__init__.py
View File

@ -36,6 +36,7 @@ from .push_rule import PushRuleStore
from .media_repository import MediaRepositoryStore
from .rejections import RejectionsStore
from .event_push_actions import EventPushActionsStore
from .deviceinbox import DeviceInboxStore
from .state import StateStore
from .signatures import SignatureStore
@ -84,6 +85,7 @@ class DataStore(RoomMemberStore, RoomStore,
OpenIdStore,
ClientIpStore,
DeviceStore,
DeviceInboxStore,
):
def __init__(self, db_conn, hs):
@ -108,6 +110,9 @@ class DataStore(RoomMemberStore, RoomStore,
self._presence_id_gen = StreamIdGenerator(
db_conn, "presence_stream", "stream_id"
)
self._device_inbox_id_gen = StreamIdGenerator(
db_conn, "device_inbox", "stream_id"
)
self._transaction_id_gen = IdGenerator(db_conn, "sent_transactions", "id")
self._state_groups_id_gen = StreamIdGenerator(db_conn, "state_groups", "id")

136
synapse/storage/deviceinbox.py Normal file
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@ -0,0 +1,136 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
import ujson
from twisted.internet import defer
from ._base import SQLBaseStore
logger = logging.getLogger(__name__)
class DeviceInboxStore(SQLBaseStore):
@defer.inlineCallbacks
def add_messages_to_device_inbox(self, messages_by_user_then_device):
"""
Args:
messages_by_user_and_device(dict):
Dictionary of user_id to device_id to message.
Returns:
A deferred that resolves when the messages have been inserted.
"""
def select_devices_txn(txn, user_id, devices):
if not devices:
return []
sql = (
"SELECT user_id, device_id FROM devices"
" WHERE user_id = ? AND device_id IN ("
+ ",".join("?" * len(devices))
+ ")"
)
# TODO: Maybe this needs to be done in batches if there are
# too many local devices for a given user.
args = [user_id] + devices
txn.execute(sql, args)
return [tuple(row) for row in txn.fetchall()]
def add_messages_to_device_inbox_txn(txn, stream_id):
local_users_and_devices = set()
for user_id, messages_by_device in messages_by_user_then_device.items():
local_users_and_devices.update(
select_devices_txn(txn, user_id, messages_by_device.keys())
)
sql = (
"INSERT INTO device_inbox"
" (user_id, device_id, stream_id, message_json)"
" VALUES (?,?,?,?)"
)
rows = []
for user_id, messages_by_device in messages_by_user_then_device.items():
for device_id, message in messages_by_device.items():
message_json = ujson.dumps(message)
# Only insert into the local inbox if the device exists on
# this server
if (user_id, device_id) in local_users_and_devices:
rows.append((user_id, device_id, stream_id, message_json))
txn.executemany(sql, rows)
with self._device_inbox_id_gen.get_next() as stream_id:
yield self.runInteraction(
"add_messages_to_device_inbox",
add_messages_to_device_inbox_txn,
stream_id
)
def get_new_messages_for_device(
self, user_id, device_id, current_stream_id, limit=100
):
"""
Args:
user_id(str): The recipient user_id.
device_id(str): The recipient device_id.
current_stream_id(int): The current position of the to device
message stream.
Returns:
Deferred ([dict], int): List of messages for the device and where
in the stream the messages got to.
"""
def get_new_messages_for_device_txn(txn):
sql = (
"SELECT stream_id, message_json FROM device_inbox"
" WHERE user_id = ? AND device_id = ?"
" AND stream_id <= ?"
" ORDER BY stream_id ASC"
" LIMIT ?"
)
txn.execute(sql, (user_id, device_id, current_stream_id, limit))
messages = []
for row in txn.fetchall():
stream_pos = row[0]
messages.append(ujson.loads(row[1]))
if len(messages) < limit:
stream_pos = current_stream_id
return (messages, stream_pos)
return self.runInteraction(
"get_new_messages_for_device", get_new_messages_for_device_txn,
)
def delete_messages_for_device(self, user_id, device_id, up_to_stream_id):
"""
Args:
user_id(str): The recipient user_id.
device_id(str): The recipient device_id.
up_to_stream_id(int): Where to delete messages up to.
Returns:
A deferred that resolves when the messages have been deleted.
"""
def delete_messages_for_device_txn(txn):
sql = (
"DELETE FROM device_inbox"
" WHERE user_id = ? AND device_id = ?"
" AND stream_id <= ?"
)
txn.execute(sql, (user_id, device_id, up_to_stream_id))
def get_to_device_stream_token(self):
return self._device_inbox_id_gen.get_current_token()

24
synapse/storage/schema/delta/34/device_inbox.sql Normal file
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@ -0,0 +1,24 @@
/* Copyright 2016 OpenMarket Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
CREATE TABLE device_inbox (
user_id TEXT NOT NULL,
device_id TEXT NOT NULL,
stream_id BIGINT NOT NULL,
message_json TEXT NOT NULL -- {"type":, "sender":, "content",}
);
CREATE INDEX device_inbox_user_stream_id ON device_inbox(user_id, device_id, stream_id);
CREATE INDEX device_inbox_stream_id ON device_inbox(stream_id);

2
synapse/streams/events.py
View File

@ -43,6 +43,7 @@ class EventSources(object):
@defer.inlineCallbacks
def get_current_token(self, direction='f'):
push_rules_key, _ = self.store.get_push_rules_stream_token()
to_device_key = self.store.get_to_device_stream_token()
token = StreamToken(
room_key=(
@ -61,5 +62,6 @@ class EventSources(object):
yield self.sources["account_data"].get_current_key()
),
push_rules_key=push_rules_key,
to_device_key=to_device_key,
)
defer.returnValue(token)

2
synapse/types.py
View File

@ -154,6 +154,7 @@ class StreamToken(
"receipt_key",
"account_data_key",
"push_rules_key",
"to_device_key",
))
):
_SEPARATOR = "_"
@ -190,6 +191,7 @@ class StreamToken(
or (int(other.receipt_key) < int(self.receipt_key))
or (int(other.account_data_key) < int(self.account_data_key))
or (int(other.push_rules_key) < int(self.push_rules_key))
or (int(other.to_device_key) < int(self.to_device_key))
)
def copy_and_advance(self, key, new_value):