diff options
Diffstat (limited to '')
| -rw-r--r-- | synapse/app/appservice.py | 209 | ||||
| -rw-r--r-- | synapse/app/media_repository.py | 212 | ||||
| -rw-r--r-- | synapse/app/pusher.py | 16 | ||||
| -rw-r--r-- | synapse/app/synchrotron.py | 54 | ||||
| -rw-r--r-- | synapse/appservice/__init__.py | 81 | ||||
| -rw-r--r-- | synapse/appservice/scheduler.py | 61 |
6 files changed, 527 insertions, 106 deletions
diff --git a/synapse/app/appservice.py b/synapse/app/appservice.py new file mode 100644 index 0000000000..57587aed25 --- /dev/null +++ b/synapse/app/appservice.py @@ -0,0 +1,209 @@ +#!/usr/bin/env python +# -*- 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 synapse + +from synapse.server import HomeServer +from synapse.config._base import ConfigError +from synapse.config.logger import setup_logging +from synapse.config.homeserver import HomeServerConfig +from synapse.http.site import SynapseSite +from synapse.metrics.resource import MetricsResource, METRICS_PREFIX +from synapse.replication.slave.storage.directory import DirectoryStore +from synapse.replication.slave.storage.events import SlavedEventStore +from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore +from synapse.replication.slave.storage.registration import SlavedRegistrationStore +from synapse.storage.engines import create_engine +from synapse.util.async import sleep +from synapse.util.httpresourcetree import create_resource_tree +from synapse.util.logcontext import LoggingContext +from synapse.util.manhole import manhole +from synapse.util.rlimit import change_resource_limit +from synapse.util.versionstring import get_version_string + +from twisted.internet import reactor, defer +from twisted.web.resource import Resource + +from daemonize import Daemonize + +import sys +import logging +import gc + +logger = logging.getLogger("synapse.app.appservice") + + +class AppserviceSlaveStore( + DirectoryStore, SlavedEventStore, SlavedApplicationServiceStore, + SlavedRegistrationStore, +): + pass + + +class AppserviceServer(HomeServer): + def get_db_conn(self, run_new_connection=True): + # Any param beginning with cp_ is a parameter for adbapi, and should + # not be passed to the database engine. + db_params = { + k: v for k, v in self.db_config.get("args", {}).items() + if not k.startswith("cp_") + } + db_conn = self.database_engine.module.connect(**db_params) + + if run_new_connection: + self.database_engine.on_new_connection(db_conn) + return db_conn + + def setup(self): + logger.info("Setting up.") + self.datastore = AppserviceSlaveStore(self.get_db_conn(), self) + logger.info("Finished setting up.") + + def _listen_http(self, listener_config): + port = listener_config["port"] + bind_address = listener_config.get("bind_address", "") + site_tag = listener_config.get("tag", port) + resources = {} + for res in listener_config["resources"]: + for name in res["names"]: + if name == "metrics": + resources[METRICS_PREFIX] = MetricsResource(self) + + root_resource = create_resource_tree(resources, Resource()) + reactor.listenTCP( + port, + SynapseSite( + "synapse.access.http.%s" % (site_tag,), + site_tag, + listener_config, + root_resource, + ), + interface=bind_address + ) + logger.info("Synapse appservice now listening on port %d", port) + + def start_listening(self, listeners): + for listener in listeners: + if listener["type"] == "http": + self._listen_http(listener) + elif listener["type"] == "manhole": + reactor.listenTCP( + listener["port"], + manhole( + username="matrix", + password="rabbithole", + globals={"hs": self}, + ), + interface=listener.get("bind_address", '127.0.0.1') + ) + else: + logger.warn("Unrecognized listener type: %s", listener["type"]) + + @defer.inlineCallbacks + def replicate(self): + http_client = self.get_simple_http_client() + store = self.get_datastore() + replication_url = self.config.worker_replication_url + appservice_handler = self.get_application_service_handler() + + @defer.inlineCallbacks + def replicate(results): + stream = results.get("events") + if stream: + max_stream_id = stream["position"] + yield appservice_handler.notify_interested_services(max_stream_id) + + while True: + try: + args = store.stream_positions() + args["timeout"] = 30000 + result = yield http_client.get_json(replication_url, args=args) + yield store.process_replication(result) + replicate(result) + except: + logger.exception("Error replicating from %r", replication_url) + yield sleep(30) + + +def start(config_options): + try: + config = HomeServerConfig.load_config( + "Synapse appservice", config_options + ) + except ConfigError as e: + sys.stderr.write("\n" + e.message + "\n") + sys.exit(1) + + assert config.worker_app == "synapse.app.appservice" + + setup_logging(config.worker_log_config, config.worker_log_file) + + database_engine = create_engine(config.database_config) + + if config.notify_appservices: + sys.stderr.write( + "\nThe appservices must be disabled in the main synapse process" + "\nbefore they can be run in a separate worker." + "\nPlease add ``notify_appservices: false`` to the main config" + "\n" + ) + sys.exit(1) + + # Force the pushers to start since they will be disabled in the main config + config.notify_appservices = True + + ps = AppserviceServer( + config.server_name, + db_config=config.database_config, + config=config, + version_string="Synapse/" + get_version_string(synapse), + database_engine=database_engine, + ) + + ps.setup() + ps.start_listening(config.worker_listeners) + + def run(): + with LoggingContext("run"): + logger.info("Running") + change_resource_limit(config.soft_file_limit) + if config.gc_thresholds: + gc.set_threshold(*config.gc_thresholds) + reactor.run() + + def start(): + ps.replicate() + ps.get_datastore().start_profiling() + + reactor.callWhenRunning(start) + + if config.worker_daemonize: + daemon = Daemonize( + app="synapse-appservice", + pid=config.worker_pid_file, + action=run, + auto_close_fds=False, + verbose=True, + logger=logger, + ) + daemon.start() + else: + run() + + +if __name__ == '__main__': + with LoggingContext("main"): + start(sys.argv[1:]) diff --git a/synapse/app/media_repository.py b/synapse/app/media_repository.py new file mode 100644 index 0000000000..9d4c4a0750 --- /dev/null +++ b/synapse/app/media_repository.py @@ -0,0 +1,212 @@ +#!/usr/bin/env python +# -*- 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 synapse + +from synapse.config._base import ConfigError +from synapse.config.homeserver import HomeServerConfig +from synapse.config.logger import setup_logging +from synapse.http.site import SynapseSite +from synapse.metrics.resource import MetricsResource, METRICS_PREFIX +from synapse.replication.slave.storage._base import BaseSlavedStore +from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore +from synapse.replication.slave.storage.registration import SlavedRegistrationStore +from synapse.rest.media.v0.content_repository import ContentRepoResource +from synapse.rest.media.v1.media_repository import MediaRepositoryResource +from synapse.server import HomeServer +from synapse.storage.client_ips import ClientIpStore +from synapse.storage.engines import create_engine +from synapse.storage.media_repository import MediaRepositoryStore +from synapse.util.async import sleep +from synapse.util.httpresourcetree import create_resource_tree +from synapse.util.logcontext import LoggingContext +from synapse.util.manhole import manhole +from synapse.util.rlimit import change_resource_limit +from synapse.util.versionstring import get_version_string +from synapse.api.urls import ( + CONTENT_REPO_PREFIX, LEGACY_MEDIA_PREFIX, MEDIA_PREFIX +) +from synapse.crypto import context_factory + + +from twisted.internet import reactor, defer +from twisted.web.resource import Resource + +from daemonize import Daemonize + +import sys +import logging +import gc + +logger = logging.getLogger("synapse.app.media_repository") + + +class MediaRepositorySlavedStore( + SlavedApplicationServiceStore, + SlavedRegistrationStore, + BaseSlavedStore, + MediaRepositoryStore, + ClientIpStore, +): + pass + + +class MediaRepositoryServer(HomeServer): + def get_db_conn(self, run_new_connection=True): + # Any param beginning with cp_ is a parameter for adbapi, and should + # not be passed to the database engine. + db_params = { + k: v for k, v in self.db_config.get("args", {}).items() + if not k.startswith("cp_") + } + db_conn = self.database_engine.module.connect(**db_params) + + if run_new_connection: + self.database_engine.on_new_connection(db_conn) + return db_conn + + def setup(self): + logger.info("Setting up.") + self.datastore = MediaRepositorySlavedStore(self.get_db_conn(), self) + logger.info("Finished setting up.") + + def _listen_http(self, listener_config): + port = listener_config["port"] + bind_address = listener_config.get("bind_address", "") + site_tag = listener_config.get("tag", port) + resources = {} + for res in listener_config["resources"]: + for name in res["names"]: + if name == "metrics": + resources[METRICS_PREFIX] = MetricsResource(self) + elif name == "media": + media_repo = MediaRepositoryResource(self) + resources.update({ + MEDIA_PREFIX: media_repo, + LEGACY_MEDIA_PREFIX: media_repo, + CONTENT_REPO_PREFIX: ContentRepoResource( + self, self.config.uploads_path + ), + }) + + root_resource = create_resource_tree(resources, Resource()) + reactor.listenTCP( + port, + SynapseSite( + "synapse.access.http.%s" % (site_tag,), + site_tag, + listener_config, + root_resource, + ), + interface=bind_address + ) + logger.info("Synapse media repository now listening on port %d", port) + + def start_listening(self, listeners): + for listener in listeners: + if listener["type"] == "http": + self._listen_http(listener) + elif listener["type"] == "manhole": + reactor.listenTCP( + listener["port"], + manhole( + username="matrix", + password="rabbithole", + globals={"hs": self}, + ), + interface=listener.get("bind_address", '127.0.0.1') + ) + else: + logger.warn("Unrecognized listener type: %s", listener["type"]) + + @defer.inlineCallbacks + def replicate(self): + http_client = self.get_simple_http_client() + store = self.get_datastore() + replication_url = self.config.worker_replication_url + + while True: + try: + args = store.stream_positions() + args["timeout"] = 30000 + result = yield http_client.get_json(replication_url, args=args) + yield store.process_replication(result) + except: + logger.exception("Error replicating from %r", replication_url) + yield sleep(5) + + +def start(config_options): + try: + config = HomeServerConfig.load_config( + "Synapse media repository", config_options + ) + except ConfigError as e: + sys.stderr.write("\n" + e.message + "\n") + sys.exit(1) + + assert config.worker_app == "synapse.app.media_repository" + + setup_logging(config.worker_log_config, config.worker_log_file) + + database_engine = create_engine(config.database_config) + + tls_server_context_factory = context_factory.ServerContextFactory(config) + + ss = MediaRepositoryServer( + config.server_name, + db_config=config.database_config, + tls_server_context_factory=tls_server_context_factory, + config=config, + version_string="Synapse/" + get_version_string(synapse), + database_engine=database_engine, + ) + + ss.setup() + ss.get_handlers() + ss.start_listening(config.worker_listeners) + + def run(): + with LoggingContext("run"): + logger.info("Running") + change_resource_limit(config.soft_file_limit) + if config.gc_thresholds: + gc.set_threshold(*config.gc_thresholds) + reactor.run() + + def start(): + ss.get_datastore().start_profiling() + ss.replicate() + + reactor.callWhenRunning(start) + + if config.worker_daemonize: + daemon = Daemonize( + app="synapse-media-repository", + pid=config.worker_pid_file, + action=run, + auto_close_fds=False, + verbose=True, + logger=logger, + ) + daemon.start() + else: + run() + + +if __name__ == '__main__': + with LoggingContext("main"): + start(sys.argv[1:]) diff --git a/synapse/app/pusher.py b/synapse/app/pusher.py index c8dde0fcb8..8d755a4b33 100644 --- a/synapse/app/pusher.py +++ b/synapse/app/pusher.py @@ -80,11 +80,6 @@ class PusherSlaveStore( DataStore.get_profile_displayname.__func__ ) - # XXX: This is a bit broken because we don't persist forgotten rooms - # in a way that they can be streamed. This means that we don't have a - # way to invalidate the forgotten rooms cache correctly. - # For now we expire the cache every 10 minutes. - BROKEN_CACHE_EXPIRY_MS = 60 * 60 * 1000 who_forgot_in_room = ( RoomMemberStore.__dict__["who_forgot_in_room"] ) @@ -168,7 +163,6 @@ class PusherServer(HomeServer): store = self.get_datastore() replication_url = self.config.worker_replication_url pusher_pool = self.get_pusherpool() - clock = self.get_clock() def stop_pusher(user_id, app_id, pushkey): key = "%s:%s" % (app_id, pushkey) @@ -220,21 +214,11 @@ class PusherServer(HomeServer): min_stream_id, max_stream_id, affected_room_ids ) - def expire_broken_caches(): - store.who_forgot_in_room.invalidate_all() - - next_expire_broken_caches_ms = 0 while True: try: args = store.stream_positions() args["timeout"] = 30000 result = yield http_client.get_json(replication_url, args=args) - now_ms = clock.time_msec() - if now_ms > next_expire_broken_caches_ms: - expire_broken_caches() - next_expire_broken_caches_ms = ( - now_ms + store.BROKEN_CACHE_EXPIRY_MS - ) yield store.process_replication(result) poke_pushers(result) except: diff --git a/synapse/app/synchrotron.py b/synapse/app/synchrotron.py index 215ccfd522..e3173533e2 100644 --- a/synapse/app/synchrotron.py +++ b/synapse/app/synchrotron.py @@ -26,6 +26,7 @@ from synapse.http.site import SynapseSite from synapse.http.server import JsonResource from synapse.metrics.resource import MetricsResource, METRICS_PREFIX from synapse.rest.client.v2_alpha import sync +from synapse.rest.client.v1 import events from synapse.replication.slave.storage._base import BaseSlavedStore from synapse.replication.slave.storage.events import SlavedEventStore from synapse.replication.slave.storage.receipts import SlavedReceiptsStore @@ -74,11 +75,6 @@ class SynchrotronSlavedStore( BaseSlavedStore, ClientIpStore, # After BaseSlavedStore because the constructor is different ): - # XXX: This is a bit broken because we don't persist forgotten rooms - # in a way that they can be streamed. This means that we don't have a - # way to invalidate the forgotten rooms cache correctly. - # For now we expire the cache every 10 minutes. - BROKEN_CACHE_EXPIRY_MS = 60 * 60 * 1000 who_forgot_in_room = ( RoomMemberStore.__dict__["who_forgot_in_room"] ) @@ -89,17 +85,23 @@ class SynchrotronSlavedStore( get_presence_list_accepted = PresenceStore.__dict__[ "get_presence_list_accepted" ] + get_presence_list_observers_accepted = PresenceStore.__dict__[ + "get_presence_list_observers_accepted" + ] + UPDATE_SYNCING_USERS_MS = 10 * 1000 class SynchrotronPresence(object): def __init__(self, hs): + self.is_mine_id = hs.is_mine_id self.http_client = hs.get_simple_http_client() self.store = hs.get_datastore() self.user_to_num_current_syncs = {} self.syncing_users_url = hs.config.worker_replication_url + "/syncing_users" self.clock = hs.get_clock() + self.notifier = hs.get_notifier() active_presence = self.store.take_presence_startup_info() self.user_to_current_state = { @@ -119,11 +121,13 @@ class SynchrotronPresence(object): reactor.addSystemEventTrigger("before", "shutdown", self._on_shutdown) - def set_state(self, user, state): + def set_state(self, user, state, ignore_status_msg=False): # TODO Hows this supposed to work? pass get_states = PresenceHandler.get_states.__func__ + get_state = PresenceHandler.get_state.__func__ + _get_interested_parties = PresenceHandler._get_interested_parties.__func__ current_state_for_users = PresenceHandler.current_state_for_users.__func__ @defer.inlineCallbacks @@ -194,19 +198,39 @@ class SynchrotronPresence(object): self._need_to_send_sync = False yield self._send_syncing_users_now() + @defer.inlineCallbacks + def notify_from_replication(self, states, stream_id): + parties = yield self._get_interested_parties( + states, calculate_remote_hosts=False + ) + room_ids_to_states, users_to_states, _ = parties + + self.notifier.on_new_event( + "presence_key", stream_id, rooms=room_ids_to_states.keys(), + users=users_to_states.keys() + ) + + @defer.inlineCallbacks def process_replication(self, result): stream = result.get("presence", {"rows": []}) + states = [] for row in stream["rows"]: ( position, user_id, state, last_active_ts, last_federation_update_ts, last_user_sync_ts, status_msg, currently_active ) = row - self.user_to_current_state[user_id] = UserPresenceState( + state = UserPresenceState( user_id, state, last_active_ts, last_federation_update_ts, last_user_sync_ts, status_msg, currently_active ) + self.user_to_current_state[user_id] = state + states.append(state) + + if states and "position" in stream: + stream_id = int(stream["position"]) + yield self.notify_from_replication(states, stream_id) class SynchrotronTyping(object): @@ -266,10 +290,12 @@ class SynchrotronServer(HomeServer): elif name == "client": resource = JsonResource(self, canonical_json=False) sync.register_servlets(self, resource) + events.register_servlets(self, resource) resources.update({ "/_matrix/client/r0": resource, "/_matrix/client/unstable": resource, "/_matrix/client/v2_alpha": resource, + "/_matrix/client/api/v1": resource, }) root_resource = create_resource_tree(resources, Resource()) @@ -307,15 +333,10 @@ class SynchrotronServer(HomeServer): http_client = self.get_simple_http_client() store = self.get_datastore() replication_url = self.config.worker_replication_url - clock = self.get_clock() notifier = self.get_notifier() presence_handler = self.get_presence_handler() typing_handler = self.get_typing_handler() - def expire_broken_caches(): - store.who_forgot_in_room.invalidate_all() - store.get_presence_list_accepted.invalidate_all() - def notify_from_stream( result, stream_name, stream_key, room=None, user=None ): @@ -377,22 +398,15 @@ class SynchrotronServer(HomeServer): result, "typing", "typing_key", room="room_id" ) - next_expire_broken_caches_ms = 0 while True: try: args = store.stream_positions() args.update(typing_handler.stream_positions()) args["timeout"] = 30000 result = yield http_client.get_json(replication_url, args=args) - now_ms = clock.time_msec() - if now_ms > next_expire_broken_caches_ms: - expire_broken_caches() - next_expire_broken_caches_ms = ( - now_ms + store.BROKEN_CACHE_EXPIRY_MS - ) yield store.process_replication(result) typing_handler.process_replication(result) - presence_handler.process_replication(result) + yield presence_handler.process_replication(result) notify(result) except: logger.exception("Error replicating from %r", replication_url) diff --git a/synapse/appservice/__init__.py b/synapse/appservice/__init__.py index f7178ea0d3..b1b91d0a55 100644 --- a/synapse/appservice/__init__.py +++ b/synapse/appservice/__init__.py @@ -14,6 +14,8 @@ # limitations under the License. from synapse.api.constants import EventTypes +from twisted.internet import defer + import logging import re @@ -138,65 +140,66 @@ class ApplicationService(object): return regex_obj["exclusive"] return False - def _matches_user(self, event, member_list): - if (hasattr(event, "sender") and - self.is_interested_in_user(event.sender)): - return True + @defer.inlineCallbacks + def _matches_user(self, event, store): + if not event: + defer.returnValue(False) + + if self.is_interested_in_user(event.sender): + defer.returnValue(True) # also check m.room.member state key - if (hasattr(event, "type") and event.type == EventTypes.Member - and hasattr(event, "state_key") - and self.is_interested_in_user(event.state_key)): - return True + if (event.type == EventTypes.Member and + self.is_interested_in_user(event.state_key)): + defer.returnValue(True) + + if not store: + defer.returnValue(False) + + member_list = yield store.get_users_in_room(event.room_id) + # check joined member events for user_id in member_list: if self.is_interested_in_user(user_id): - return True - return False + defer.returnValue(True) + defer.returnValue(False) def _matches_room_id(self, event): if hasattr(event, "room_id"): return self.is_interested_in_room(event.room_id) return False - def _matches_aliases(self, event, alias_list): + @defer.inlineCallbacks + def _matches_aliases(self, event, store): + if not store or not event: + defer.returnValue(False) + + alias_list = yield store.get_aliases_for_room(event.room_id) for alias in alias_list: if self.is_interested_in_alias(alias): - return True - return False + defer.returnValue(True) + defer.returnValue(False) - def is_interested(self, event, restrict_to=None, aliases_for_event=None, - member_list=None): + @defer.inlineCallbacks + def is_interested(self, event, store=None): """Check if this service is interested in this event. Args: event(Event): The event to check. - restrict_to(str): The namespace to restrict regex tests to. - aliases_for_event(list): A list of all the known room aliases for - this event. - member_list(list): A list of all joined user_ids in this room. + store(DataStore) Returns: bool: True if this service would like to know about this event. """ - if aliases_for_event is None: - aliases_for_event = [] - if member_list is None: - member_list = [] - - if restrict_to and restrict_to not in ApplicationService.NS_LIST: - # this is a programming error, so fail early and raise a general - # exception - raise Exception("Unexpected restrict_to value: %s". restrict_to) - - if not restrict_to: - return (self._matches_user(event, member_list) - or self._matches_aliases(event, aliases_for_event) - or self._matches_room_id(event)) - elif restrict_to == ApplicationService.NS_ALIASES: - return self._matches_aliases(event, aliases_for_event) - elif restrict_to == ApplicationService.NS_ROOMS: - return self._matches_room_id(event) - elif restrict_to == ApplicationService.NS_USERS: - return self._matches_user(event, member_list) + # Do cheap checks first + if self._matches_room_id(event): + defer.returnValue(True) + + if (yield self._matches_aliases(event, store)): + defer.returnValue(True) + + if (yield self._matches_user(event, store)): + defer.returnValue(True) + + defer.returnValue(False) def is_interested_in_user(self, user_id): return ( diff --git a/synapse/appservice/scheduler.py b/synapse/appservice/scheduler.py index 9afc8fd754..6450a12890 100644 --- a/synapse/appservice/scheduler.py +++ b/synapse/appservice/scheduler.py @@ -48,9 +48,12 @@ UP & quit +---------- YES SUCCESS This is all tied together by the AppServiceScheduler which DIs the required components. """ +from twisted.internet import defer from synapse.appservice import ApplicationServiceState -from twisted.internet import defer +from synapse.util.logcontext import preserve_fn +from synapse.util.metrics import Measure + import logging logger = logging.getLogger(__name__) @@ -73,7 +76,7 @@ class ApplicationServiceScheduler(object): self.txn_ctrl = _TransactionController( self.clock, self.store, self.as_api, create_recoverer ) - self.queuer = _ServiceQueuer(self.txn_ctrl) + self.queuer = _ServiceQueuer(self.txn_ctrl, self.clock) @defer.inlineCallbacks def start(self): @@ -94,38 +97,36 @@ class _ServiceQueuer(object): this schedules any other events in the queue to run. """ - def __init__(self, txn_ctrl): + def __init__(self, txn_ctrl, clock): self.queued_events = {} # dict of {service_id: [events]} - self.pending_requests = {} # dict of {service_id: Deferred} + self.requests_in_flight = set() self.txn_ctrl = txn_ctrl + self.clock = clock def enqueue(self, service, event): # if this service isn't being sent something - if not self.pending_requests.get(service.id): - self._send_request(service, [event]) - else: - # add to queue for this service - if service.id not in self.queued_events: - self.queued_events[service.id] = [] - self.queued_events[service.id].append(event) - - def _send_request(self, service, events): - # send request and add callbacks - d = self.txn_ctrl.send(service, events) - d.addBoth(self._on_request_finish) - d.addErrback(self._on_request_fail) - self.pending_requests[service.id] = d - - def _on_request_finish(self, service): - self.pending_requests[service.id] = None - # if there are queued events, then send them. - if (service.id in self.queued_events - and len(self.queued_events[service.id]) > 0): - self._send_request(service, self.queued_events[service.id]) - self.queued_events[service.id] = [] - - def _on_request_fail(self, err): - logger.error("AS request failed: %s", err) + self.queued_events.setdefault(service.id, []).append(event) + preserve_fn(self._send_request)(service) + + @defer.inlineCallbacks + def _send_request(self, service): + if service.id in self.requests_in_flight: + return + + self.requests_in_flight.add(service.id) + try: + while True: + events = self.queued_events.pop(service.id, []) + if not events: + return + + with Measure(self.clock, "servicequeuer.send"): + try: + yield self.txn_ctrl.send(service, events) + except: + logger.exception("AS request failed") + finally: + self.requests_in_flight.discard(service.id) class _TransactionController(object): @@ -155,8 +156,6 @@ class _TransactionController(object): except Exception as e: logger.exception(e) self._start_recoverer(service) - # request has finished - defer.returnValue(service) @defer.inlineCallbacks def on_recovered(self, recoverer): |