From 870c45913ef17584a65d0acf98336f1ddd6bf1c0 Mon Sep 17 00:00:00 2001 From: David Baker Date: Fri, 24 Jun 2016 11:41:11 +0100 Subject: Use similar naming we use in email notifs for push Fixes https://github.com/vector-im/vector-web/issues/1654 --- synapse/util/presentable_names.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'synapse/util') diff --git a/synapse/util/presentable_names.py b/synapse/util/presentable_names.py index a6866f6117..4c54812e6f 100644 --- a/synapse/util/presentable_names.py +++ b/synapse/util/presentable_names.py @@ -25,7 +25,8 @@ ALIAS_RE = re.compile(r"^#.*:.+$") ALL_ALONE = "Empty Room" -def calculate_room_name(room_state, user_id, fallback_to_members=True): +def calculate_room_name(room_state, user_id, fallback_to_members=True, + fallback_to_single_member=True): """ Works out a user-facing name for the given room as per Matrix spec recommendations. @@ -129,6 +130,8 @@ def calculate_room_name(room_state, user_id, fallback_to_members=True): return name_from_member_event(all_members[0]) else: return ALL_ALONE + elif len(other_members) == 1 and not fallback_to_single_member: + return None else: return descriptor_from_member_events(other_members) -- cgit 1.5.1 From 7335f0addae9ff473403eaaffd7d2b02a9f1991f Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Tue, 5 Jul 2016 14:44:25 +0100 Subject: Add ReadWriteLock --- synapse/util/async.py | 82 +++++++++++++++++++++++++++++++++++++++++++++ tests/util/test_rwlock.py | 85 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 167 insertions(+) create mode 100644 tests/util/test_rwlock.py (limited to 'synapse/util') diff --git a/synapse/util/async.py b/synapse/util/async.py index 40be7fe7e3..c84b23ff46 100644 --- a/synapse/util/async.py +++ b/synapse/util/async.py @@ -194,3 +194,85 @@ class Linearizer(object): self.key_to_defer.pop(key, None) defer.returnValue(_ctx_manager()) + + +class ReadWriteLock(object): + """A deferred style read write lock. + + Example: + + with (yield read_write_lock.read("test_key")): + # do some work + """ + + # IMPLEMENTATION NOTES + # + # We track the most recent queued reader and writer deferreds (which get + # resolved when they release the lock). + # + # Read: We know its safe to acquire a read lock when the latest writer has + # been resolved. The new reader is appeneded to the list of latest readers. + # + # Write: We know its safe to acquire the write lock when both the latest + # writers and readers have been resolved. The new writer replaces the latest + # writer. + + def __init__(self): + # Latest readers queued + self.key_to_current_readers = {} + + # Latest writer queued + self.key_to_current_writer = {} + + @defer.inlineCallbacks + def read(self, key): + new_defer = defer.Deferred() + + curr_readers = self.key_to_current_readers.setdefault(key, set()) + curr_writer = self.key_to_current_writer.get(key, None) + + curr_readers.add(new_defer) + + # We wait for the latest writer to finish writing. We can safely ignore + # any existing readers... as they're readers. + yield curr_writer + + @contextmanager + def _ctx_manager(): + try: + yield + finally: + new_defer.callback(None) + self.key_to_current_readers.get(key, set()).discard(new_defer) + + defer.returnValue(_ctx_manager()) + + @defer.inlineCallbacks + def write(self, key): + new_defer = defer.Deferred() + + curr_readers = self.key_to_current_readers.get(key, set()) + curr_writer = self.key_to_current_writer.get(key, None) + + # We wait on all latest readers and writer. + to_wait_on = list(curr_readers) + if curr_writer: + to_wait_on.append(curr_writer) + + # We can clear the list of current readers since the new writer waits + # for them to finish. + curr_readers.clear() + self.key_to_current_writer[key] = new_defer + + yield defer.gatherResults(to_wait_on) + + @contextmanager + def _ctx_manager(): + try: + yield + finally: + new_defer.callback(None) + if self.key_to_current_writer[key] == new_defer: + self.key_to_current_writer.pop(key) + + defer.returnValue(_ctx_manager()) diff --git a/tests/util/test_rwlock.py b/tests/util/test_rwlock.py new file mode 100644 index 0000000000..1d745ae1a7 --- /dev/null +++ b/tests/util/test_rwlock.py @@ -0,0 +1,85 @@ +# -*- 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. + + +from tests import unittest + +from synapse.util.async import ReadWriteLock + + +class ReadWriteLockTestCase(unittest.TestCase): + + def _assert_called_before_not_after(self, lst, first_false): + for i, d in enumerate(lst[:first_false]): + self.assertTrue(d.called, msg="%d was unexpectedly false" % i) + + for i, d in enumerate(lst[first_false:]): + self.assertFalse( + d.called, msg="%d was unexpectedly true" % (i + first_false) + ) + + def test_rwlock(self): + rwlock = ReadWriteLock() + + key = object() + + ds = [ + rwlock.read(key), # 0 + rwlock.read(key), # 1 + rwlock.write(key), # 2 + rwlock.write(key), # 3 + rwlock.read(key), # 4 + rwlock.read(key), # 5 + rwlock.write(key), # 6 + ] + + self._assert_called_before_not_after(ds, 2) + + with ds[0].result: + self._assert_called_before_not_after(ds, 2) + self._assert_called_before_not_after(ds, 2) + + with ds[1].result: + self._assert_called_before_not_after(ds, 2) + self._assert_called_before_not_after(ds, 3) + + with ds[2].result: + self._assert_called_before_not_after(ds, 3) + self._assert_called_before_not_after(ds, 4) + + with ds[3].result: + self._assert_called_before_not_after(ds, 4) + self._assert_called_before_not_after(ds, 6) + + with ds[5].result: + self._assert_called_before_not_after(ds, 6) + self._assert_called_before_not_after(ds, 6) + + with ds[4].result: + self._assert_called_before_not_after(ds, 6) + self._assert_called_before_not_after(ds, 7) + + with ds[6].result: + pass + + d = rwlock.write(key) + self.assertTrue(d.called) + with d.result: + pass + + d = rwlock.read(key) + self.assertTrue(d.called) + with d.result: + pass -- cgit 1.5.1 From 248e6770ca0faadf574cfd62f72d8e200cb5b57a Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 21 Jul 2016 10:30:12 +0100 Subject: Cache federation state responses --- synapse/federation/federation_server.py | 66 ++++++++++++++++++++++----------- synapse/handlers/federation.py | 7 +--- synapse/handlers/room.py | 4 +- synapse/handlers/sync.py | 2 +- synapse/util/caches/response_cache.py | 13 ++++++- 5 files changed, 60 insertions(+), 32 deletions(-) (limited to 'synapse/util') diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py index 85f5e752fe..d15c7e1b40 100644 --- a/synapse/federation/federation_server.py +++ b/synapse/federation/federation_server.py @@ -21,10 +21,11 @@ from .units import Transaction, Edu from synapse.util.async import Linearizer from synapse.util.logutils import log_function +from synapse.util.caches.response_cache import ResponseCache from synapse.events import FrozenEvent import synapse.metrics -from synapse.api.errors import FederationError, SynapseError +from synapse.api.errors import AuthError, FederationError, SynapseError from synapse.crypto.event_signing import compute_event_signature @@ -48,9 +49,15 @@ class FederationServer(FederationBase): def __init__(self, hs): super(FederationServer, self).__init__(hs) + self.auth = hs.get_auth() + self._room_pdu_linearizer = Linearizer() self._server_linearizer = Linearizer() + # We cache responses to state queries, as they take a while and often + # come in waves. + self._state_resp_cache = ResponseCache(hs, timeout_ms=30000) + def set_handler(self, handler): """Sets the handler that the replication layer will use to communicate receipt of new PDUs from other home servers. The required methods are @@ -188,28 +195,45 @@ class FederationServer(FederationBase): @defer.inlineCallbacks @log_function def on_context_state_request(self, origin, room_id, event_id): - with (yield self._server_linearizer.queue((origin, room_id))): - if event_id: - pdus = yield self.handler.get_state_for_pdu( - origin, room_id, event_id, - ) - auth_chain = yield self.store.get_auth_chain( - [pdu.event_id for pdu in pdus] + if not event_id: + raise NotImplementedError("Specify an event") + + in_room = yield self.auth.check_host_in_room(room_id, origin) + if not in_room: + raise AuthError(403, "Host not in room.") + + result = self._state_resp_cache.get((room_id, event_id)) + if not result: + with (yield self._server_linearizer.queue((origin, room_id))): + resp = yield self.response_cache.set( + (room_id, event_id), + self._on_context_state_request_compute(room_id, event_id) ) + else: + resp = yield result - for event in auth_chain: - # We sign these again because there was a bug where we - # incorrectly signed things the first time round - if self.hs.is_mine_id(event.event_id): - event.signatures.update( - compute_event_signature( - event, - self.hs.hostname, - self.hs.config.signing_key[0] - ) - ) - else: - raise NotImplementedError("Specify an event") + defer.returnValue((200, resp)) + + @defer.inlineCallbacks + def _on_context_state_request_compute(self, room_id, event_id): + pdus = yield self.handler.get_state_for_pdu( + room_id, event_id, + ) + auth_chain = yield self.store.get_auth_chain( + [pdu.event_id for pdu in pdus] + ) + + for event in auth_chain: + # We sign these again because there was a bug where we + # incorrectly signed things the first time round + if self.hs.is_mine_id(event.event_id): + event.signatures.update( + compute_event_signature( + event, + self.hs.hostname, + self.hs.config.signing_key[0] + ) + ) defer.returnValue((200, { "pdus": [pdu.get_pdu_json() for pdu in pdus], diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 3f138daf17..fcad41d7b6 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -991,14 +991,9 @@ class FederationHandler(BaseHandler): defer.returnValue(None) @defer.inlineCallbacks - def get_state_for_pdu(self, origin, room_id, event_id, do_auth=True): + def get_state_for_pdu(self, room_id, event_id): yield run_on_reactor() - if do_auth: - in_room = yield self.auth.check_host_in_room(room_id, origin) - if not in_room: - raise AuthError(403, "Host not in room.") - state_groups = yield self.store.get_state_groups( room_id, [event_id] ) diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index ae44c7a556..bf6b1c1535 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -345,8 +345,8 @@ class RoomCreationHandler(BaseHandler): class RoomListHandler(BaseHandler): def __init__(self, hs): super(RoomListHandler, self).__init__(hs) - self.response_cache = ResponseCache() - self.remote_list_request_cache = ResponseCache() + self.response_cache = ResponseCache(hs) + self.remote_list_request_cache = ResponseCache(hs) self.remote_list_cache = {} self.fetch_looping_call = hs.get_clock().looping_call( self.fetch_all_remote_lists, REMOTE_ROOM_LIST_POLL_INTERVAL diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index be26a491ff..0ee4ebe504 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -138,7 +138,7 @@ class SyncHandler(object): self.presence_handler = hs.get_presence_handler() self.event_sources = hs.get_event_sources() self.clock = hs.get_clock() - self.response_cache = ResponseCache() + self.response_cache = ResponseCache(hs) def wait_for_sync_for_user(self, sync_config, since_token=None, timeout=0, full_state=False): diff --git a/synapse/util/caches/response_cache.py b/synapse/util/caches/response_cache.py index 36686b479e..00af539880 100644 --- a/synapse/util/caches/response_cache.py +++ b/synapse/util/caches/response_cache.py @@ -24,9 +24,12 @@ class ResponseCache(object): used rather than trying to compute a new response. """ - def __init__(self): + def __init__(self, hs, timeout_ms=0): self.pending_result_cache = {} # Requests that haven't finished yet. + self.clock = hs.get_clock() + self.timeout_sec = timeout_ms / 1000. + def get(self, key): result = self.pending_result_cache.get(key) if result is not None: @@ -39,7 +42,13 @@ class ResponseCache(object): self.pending_result_cache[key] = result def remove(r): - self.pending_result_cache.pop(key, None) + if self.timeout_sec: + self.clock.call_later( + self.timeout_sec, + self.pending_result_cache.pop, key, None, + ) + else: + self.pending_result_cache.pop(key, None) return r result.addBoth(remove) -- cgit 1.5.1 From 242c52d607da68f48b3a4bce980663e0e5f103c6 Mon Sep 17 00:00:00 2001 From: Matthew Hodgson Date: Tue, 26 Jul 2016 10:09:25 +0200 Subject: typo --- synapse/util/metrics.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'synapse/util') diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py index e1f374807e..0b944d3e63 100644 --- a/synapse/util/metrics.py +++ b/synapse/util/metrics.py @@ -84,7 +84,7 @@ class Measure(object): if context != self.start_context: logger.warn( - "Context have unexpectedly changed from '%s' to '%s'. (%r)", + "Context has unexpectedly changed from '%s' to '%s'. (%r)", context, self.start_context, self.name ) return -- cgit 1.5.1 From 389c890f14c456a157d973fd29b49d64e5fa9226 Mon Sep 17 00:00:00 2001 From: David Baker Date: Thu, 28 Jul 2016 10:20:47 +0100 Subject: Don't include name of room for invites in push Avoids insane pushes like, "Bob invited you to invite from Bob" --- synapse/util/presentable_names.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'synapse/util') diff --git a/synapse/util/presentable_names.py b/synapse/util/presentable_names.py index 4c54812e6f..f68676e9e7 100644 --- a/synapse/util/presentable_names.py +++ b/synapse/util/presentable_names.py @@ -83,7 +83,10 @@ def calculate_room_name(room_state, user_id, fallback_to_members=True, ): if ("m.room.member", my_member_event.sender) in room_state: inviter_member_event = room_state[("m.room.member", my_member_event.sender)] - return "Invite from %s" % (name_from_member_event(inviter_member_event),) + if fallback_to_single_member: + return "Invite from %s" % (name_from_member_event(inviter_member_event),) + else: + return None else: return "Room Invite" -- cgit 1.5.1 From bf81e38d365b79130b5e04053de0eaff94b0d472 Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Thu, 28 Jul 2016 10:29:12 +0100 Subject: Fix retry utils to check if the exception is a subclass of CME --- synapse/util/retryutils.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'synapse/util') diff --git a/synapse/util/retryutils.py b/synapse/util/retryutils.py index 43cf11f3f6..49527f4d21 100644 --- a/synapse/util/retryutils.py +++ b/synapse/util/retryutils.py @@ -128,7 +128,7 @@ class RetryDestinationLimiter(object): ) valid_err_code = False - if exc_type is CodeMessageException: + if exc_type is not None and issubclass(exc_type, CodeMessageException): valid_err_code = 0 <= exc_val.code < 500 if exc_type is None or valid_err_code: -- cgit 1.5.1 From 24f36469bc5c634ff49c87e49e32579d6ac43d7c Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Fri, 5 Aug 2016 16:36:07 +0100 Subject: Add federation /version API --- synapse/app/federation_reader.py | 2 +- synapse/app/homeserver.py | 2 +- synapse/app/pusher.py | 2 +- synapse/app/synchrotron.py | 2 +- synapse/federation/transport/server.py | 18 +++++++++++++++++- synapse/util/versionstring.py | 8 ++++---- 6 files changed, 25 insertions(+), 9 deletions(-) (limited to 'synapse/util') diff --git a/synapse/app/federation_reader.py b/synapse/app/federation_reader.py index 58d425f9ac..7355499ae2 100644 --- a/synapse/app/federation_reader.py +++ b/synapse/app/federation_reader.py @@ -165,7 +165,7 @@ def start(config_options): db_config=config.database_config, tls_server_context_factory=tls_server_context_factory, config=config, - version_string=get_version_string("Synapse", synapse), + version_string="Synapse/" + get_version_string(synapse), database_engine=database_engine, ) diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py index fe68ceb07c..40e6f65236 100755 --- a/synapse/app/homeserver.py +++ b/synapse/app/homeserver.py @@ -285,7 +285,7 @@ def setup(config_options): # check any extra requirements we have now we have a config check_requirements(config) - version_string = get_version_string("Synapse", synapse) + version_string = "Synapse/" + get_version_string(synapse) logger.info("Server hostname: %s", config.server_name) logger.info("Server version: %s", version_string) diff --git a/synapse/app/pusher.py b/synapse/app/pusher.py index 4f1d18ab5f..c8dde0fcb8 100644 --- a/synapse/app/pusher.py +++ b/synapse/app/pusher.py @@ -273,7 +273,7 @@ def start(config_options): config.server_name, db_config=config.database_config, config=config, - version_string=get_version_string("Synapse", synapse), + version_string="Synapse/" + get_version_string(synapse), database_engine=database_engine, ) diff --git a/synapse/app/synchrotron.py b/synapse/app/synchrotron.py index 8cf5bbbb6d..215ccfd522 100644 --- a/synapse/app/synchrotron.py +++ b/synapse/app/synchrotron.py @@ -424,7 +424,7 @@ def start(config_options): config.server_name, db_config=config.database_config, config=config, - version_string=get_version_string("Synapse", synapse), + version_string="Synapse/" + get_version_string(synapse), database_engine=database_engine, application_service_handler=SynchrotronApplicationService(), ) diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py index ee8f94e340..37c0d4fbc4 100644 --- a/synapse/federation/transport/server.py +++ b/synapse/federation/transport/server.py @@ -20,11 +20,12 @@ from synapse.api.errors import Codes, SynapseError from synapse.http.server import JsonResource from synapse.http.servlet import parse_json_object_from_request from synapse.util.ratelimitutils import FederationRateLimiter +from synapse.util.versionstring import get_version_string import functools import logging -import simplejson as json import re +import synapse logger = logging.getLogger(__name__) @@ -557,6 +558,20 @@ class PublicRoomList(BaseFederationServlet): defer.returnValue((200, data)) +class FederationVersionServlet(BaseFederationServlet): + PATH = "/version" + + REQUIRE_AUTH = False + + def on_GET(self, origin, content, query): + return defer.succeed((200, { + "server": { + "name": "Synapse", + "version": get_version_string(synapse) + }, + })) + + SERVLET_CLASSES = ( FederationSendServlet, FederationPullServlet, @@ -580,6 +595,7 @@ SERVLET_CLASSES = ( On3pidBindServlet, OpenIdUserInfo, PublicRoomList, + FederationVersionServlet, ) diff --git a/synapse/util/versionstring.py b/synapse/util/versionstring.py index a4f156cb3b..52086df465 100644 --- a/synapse/util/versionstring.py +++ b/synapse/util/versionstring.py @@ -21,7 +21,7 @@ import logging logger = logging.getLogger(__name__) -def get_version_string(name, module): +def get_version_string(module): try: null = open(os.devnull, 'w') cwd = os.path.dirname(os.path.abspath(module.__file__)) @@ -74,11 +74,11 @@ def get_version_string(name, module): ) return ( - "%s/%s (%s)" % ( - name, module.__version__, git_version, + "%s (%s)" % ( + module.__version__, git_version, ) ).encode("ascii") except Exception as e: logger.info("Failed to check for git repository: %s", e) - return ("%s/%s" % (name, module.__version__,)).encode("ascii") + return module.__version__.encode("ascii") -- cgit 1.5.1