Merge pull request #1058 from matrix-org/markjh/direct_to_device_synchrotron

Add a replication stream for direct to device messages
This commit is contained in:
Mark Haines 2016-08-31 11:08:18 +01:00 committed by GitHub
commit 761f9fccff
4 changed files with 81 additions and 4 deletions

View File

@ -42,6 +42,7 @@ STREAM_NAMES = (
("pushers",),
("state",),
("caches",),
("to_device",),
)
@ -144,6 +145,7 @@ class ReplicationResource(Resource):
pushers_token,
state_token,
caches_token,
int(stream_token.to_device_key),
))
@request_handler()
@ -193,6 +195,7 @@ class ReplicationResource(Resource):
yield self.pushers(writer, current_token, limit, request_streams)
yield self.state(writer, current_token, limit, request_streams)
yield self.caches(writer, current_token, limit, request_streams)
yield self.to_device(writer, current_token, limit, request_streams)
self.streams(writer, current_token, request_streams)
logger.info("Replicated %d rows", writer.total)
@ -398,6 +401,20 @@ class ReplicationResource(Resource):
"position", "cache_func", "keys", "invalidation_ts"
))
@defer.inlineCallbacks
def to_device(self, writer, current_token, limit, request_streams):
current_position = current_token.to_device
to_device = request_streams.get("to_device")
if to_device is not None:
to_device_rows = yield self.store.get_all_new_device_messages(
to_device, current_position, limit
)
writer.write_header_and_rows("to_device", to_device_rows, (
"position", "user_id", "device_id", "message_json"
))
class _Writer(object):
"""Writes the streams as a JSON object as the response to the request"""
@ -426,7 +443,7 @@ class _Writer(object):
class _ReplicationToken(collections.namedtuple("_ReplicationToken", (
"events", "presence", "typing", "receipts", "account_data", "backfill",
"push_rules", "pushers", "state", "caches",
"push_rules", "pushers", "state", "caches", "to_device",
))):
__slots__ = []

View File

@ -28,3 +28,15 @@ class SlavedDeviceInboxStore(BaseSlavedStore):
get_to_device_stream_token = DataStore.get_to_device_stream_token.__func__
get_new_messages_for_device = DataStore.get_new_messages_for_device.__func__
delete_messages_for_device = DataStore.delete_messages_for_device.__func__
def stream_positions(self):
result = super(SlavedDeviceInboxStore, self).stream_positions()
result["to_device"] = self._device_inbox_id_gen.get_current_token()
return result
def process_replication(self, result):
stream = result.get("to_device")
if stream:
self._device_inbox_id_gen.advance(int(stream["position"]))
return super(SlavedDeviceInboxStore, self).process_replication(result)

View File

@ -40,6 +40,7 @@ class SendToDeviceRestServlet(servlet.RestServlet):
self.hs = hs
self.auth = hs.get_auth()
self.store = hs.get_datastore()
self.notifier = hs.get_notifier()
self.is_mine_id = hs.is_mine_id
self.txns = HttpTransactionStore()
@ -71,9 +72,14 @@ class SendToDeviceRestServlet(servlet.RestServlet):
}
for device_id, message_content in by_device.items()
}
if messages_by_device:
local_messages[user_id] = messages_by_device
yield self.store.add_messages_to_device_inbox(local_messages)
stream_id = yield self.store.add_messages_to_device_inbox(local_messages)
self.notifier.on_new_event(
"to_device", stream_id, users=local_messages.keys()
)
response = (200, {})
self.txns.store_client_transaction(request, txn_id, response)

View File

@ -33,7 +33,8 @@ class DeviceInboxStore(SQLBaseStore):
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.
A deferred stream_id that resolves when the messages have been
inserted.
"""
def select_devices_txn(txn, user_id, devices):
@ -81,6 +82,8 @@ class DeviceInboxStore(SQLBaseStore):
stream_id
)
defer.returnValue(self._device_inbox_id_gen.get_current_token())
def get_new_messages_for_device(
self, user_id, device_id, current_stream_id, limit=100
):
@ -136,5 +139,44 @@ class DeviceInboxStore(SQLBaseStore):
"delete_messages_for_device", delete_messages_for_device_txn
)
def get_all_new_device_messages(self, last_pos, current_pos, limit):
"""
Args:
last_pos(int):
current_pos(int):
limit(int):
Returns:
A deferred list of rows from the device inbox
"""
if last_pos == current_pos:
return defer.succeed([])
def get_all_new_device_messages_txn(txn):
sql = (
"SELECT stream_id FROM device_inbox"
" WHERE ? < stream_id AND stream_id <= ?"
" GROUP BY stream_id"
" ORDER BY stream_id ASC"
" LIMIT ?"
)
txn.execute(sql, (last_pos, current_pos, limit))
stream_ids = txn.fetchall()
if not stream_ids:
return []
max_stream_id_in_limit = stream_ids[-1]
sql = (
"SELECT stream_id, user_id, device_id, message_json"
" FROM device_inbox"
" WHERE ? < stream_id AND stream_id <= ?"
" ORDER BY stream_id ASC"
)
txn.execute(sql, (last_pos, max_stream_id_in_limit))
return txn.fetchall()
return self.runInteraction(
"get_all_new_device_messages", get_all_new_device_messages_txn
)
def get_to_device_stream_token(self):
return self._device_inbox_id_gen.get_current_token()