diff options
Diffstat (limited to 'synapse/federation')
| -rw-r--r-- | synapse/federation/__init__.py | 8 | ||||
| -rw-r--r-- | synapse/federation/federation_base.py | 6 | ||||
| -rw-r--r-- | synapse/federation/federation_client.py | 1 | ||||
| -rw-r--r-- | synapse/federation/federation_server.py | 129 | ||||
| -rw-r--r-- | synapse/federation/replication.py | 73 | ||||
| -rw-r--r-- | synapse/federation/transport/server.py | 2 |
6 files changed, 82 insertions, 137 deletions
diff --git a/synapse/federation/__init__.py b/synapse/federation/__init__.py index 2e32d245ba..f5f0bdfca3 100644 --- a/synapse/federation/__init__.py +++ b/synapse/federation/__init__.py @@ -15,11 +15,3 @@ """ This package includes all the federation specific logic. """ - -from .replication import ReplicationLayer - - -def initialize_http_replication(hs): - transport = hs.get_federation_transport_client() - - return ReplicationLayer(hs, transport) diff --git a/synapse/federation/federation_base.py b/synapse/federation/federation_base.py index 7918d3e442..79eaa31031 100644 --- a/synapse/federation/federation_base.py +++ b/synapse/federation/federation_base.py @@ -27,7 +27,13 @@ logger = logging.getLogger(__name__) class FederationBase(object): def __init__(self, hs): + self.hs = hs + + self.server_name = hs.hostname + self.keyring = hs.get_keyring() self.spam_checker = hs.get_spam_checker() + self.store = hs.get_datastore() + self._clock = hs.get_clock() @defer.inlineCallbacks def _check_sigs_and_hash_and_fetch(self, origin, pdus, outlier=False, diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index 813907f7f2..38440da5b5 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -58,6 +58,7 @@ class FederationClient(FederationBase): self._clear_tried_cache, 60 * 1000, ) self.state = hs.get_state_handler() + self.transport_layer = hs.get_federation_transport_client() def _clear_tried_cache(self): """Clear pdu_destination_tried cache""" diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py index 9849953c9b..bea7fd0b71 100644 --- a/synapse/federation/federation_server.py +++ b/synapse/federation/federation_server.py @@ -17,12 +17,14 @@ import logging import simplejson as json from twisted.internet import defer -from synapse.api.errors import AuthError, FederationError, SynapseError +from synapse.api.errors import AuthError, FederationError, SynapseError, NotFoundError from synapse.crypto.event_signing import compute_event_signature from synapse.federation.federation_base import ( FederationBase, event_from_pdu_json, ) + +from synapse.federation.persistence import TransactionActions from synapse.federation.units import Edu, Transaction import synapse.metrics from synapse.types import get_domain_from_id @@ -52,50 +54,19 @@ class FederationServer(FederationBase): super(FederationServer, self).__init__(hs) self.auth = hs.get_auth() + self.handler = hs.get_handlers().federation_handler self._server_linearizer = async.Linearizer("fed_server") self._transaction_linearizer = async.Linearizer("fed_txn_handler") + self.transaction_actions = TransactionActions(self.store) + + self.registry = hs.get_federation_registry() + # 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 - documented on :py:class:`.ReplicationHandler`. - """ - self.handler = handler - - def register_edu_handler(self, edu_type, handler): - if edu_type in self.edu_handlers: - raise KeyError("Already have an EDU handler for %s" % (edu_type,)) - - self.edu_handlers[edu_type] = handler - - def register_query_handler(self, query_type, handler): - """Sets the handler callable that will be used to handle an incoming - federation Query of the given type. - - Args: - query_type (str): Category name of the query, which should match - the string used by make_query. - handler (callable): Invoked to handle incoming queries of this type - - handler is invoked as: - result = handler(args) - - where 'args' is a dict mapping strings to strings of the query - arguments. It should return a Deferred that will eventually yield an - object to encode as JSON. - """ - if query_type in self.query_handlers: - raise KeyError( - "Already have a Query handler for %s" % (query_type,) - ) - - self.query_handlers[query_type] = handler - @defer.inlineCallbacks @log_function def on_backfill_request(self, origin, room_id, versions, limit): @@ -229,16 +200,7 @@ class FederationServer(FederationBase): @defer.inlineCallbacks def received_edu(self, origin, edu_type, content): received_edus_counter.inc() - - if edu_type in self.edu_handlers: - try: - yield self.edu_handlers[edu_type](origin, content) - except SynapseError as e: - logger.info("Failed to handle edu %r: %r", edu_type, e) - except Exception as e: - logger.exception("Failed to handle edu %r", edu_type) - else: - logger.warn("Received EDU of type %s with no handler", edu_type) + yield self.registry.on_edu(edu_type, origin, content) @defer.inlineCallbacks @log_function @@ -328,14 +290,8 @@ class FederationServer(FederationBase): @defer.inlineCallbacks def on_query_request(self, query_type, args): received_queries_counter.inc(query_type) - - if query_type in self.query_handlers: - response = yield self.query_handlers[query_type](args) - defer.returnValue((200, response)) - else: - defer.returnValue( - (404, "No handler for Query type '%s'" % (query_type,)) - ) + resp = yield self.registry.on_query(query_type, args) + defer.returnValue((200, resp)) @defer.inlineCallbacks def on_make_join_request(self, room_id, user_id): @@ -607,3 +563,66 @@ class FederationServer(FederationBase): origin, room_id, event_dict ) defer.returnValue(ret) + + +class FederationHandlerRegistry(object): + """Allows classes to register themselves as handlers for a given EDU or + query type for incoming federation traffic. + """ + def __init__(self): + self.edu_handlers = {} + self.query_handlers = {} + + def register_edu_handler(self, edu_type, handler): + """Sets the handler callable that will be used to handle an incoming + federation EDU of the given type. + + Args: + edu_type (str): The type of the incoming EDU to register handler for + handler (Callable[[str, dict]]): A callable invoked on incoming EDU + of the given type. The arguments are the origin server name and + the EDU contents. + """ + if edu_type in self.edu_handlers: + raise KeyError("Already have an EDU handler for %s" % (edu_type,)) + + self.edu_handlers[edu_type] = handler + + def register_query_handler(self, query_type, handler): + """Sets the handler callable that will be used to handle an incoming + federation query of the given type. + + Args: + query_type (str): Category name of the query, which should match + the string used by make_query. + handler (Callable[[dict], Deferred[dict]]): Invoked to handle + incoming queries of this type. The return will be yielded + on and the result used as the response to the query request. + """ + if query_type in self.query_handlers: + raise KeyError( + "Already have a Query handler for %s" % (query_type,) + ) + + self.query_handlers[query_type] = handler + + @defer.inlineCallbacks + def on_edu(self, edu_type, origin, content): + handler = self.edu_handlers.get(edu_type) + if not handler: + logger.warn("No handler registered for EDU type %s", edu_type) + + try: + yield handler(origin, content) + except SynapseError as e: + logger.info("Failed to handle edu %r: %r", edu_type, e) + except Exception as e: + logger.exception("Failed to handle edu %r", edu_type) + + def on_query(self, query_type, args): + handler = self.query_handlers.get(query_type) + if not handler: + logger.warn("No handler registered for query type %s", query_type) + raise NotFoundError("No handler for Query type '%s'" % (query_type,)) + + return handler(args) diff --git a/synapse/federation/replication.py b/synapse/federation/replication.py deleted file mode 100644 index 62d865ec4b..0000000000 --- a/synapse/federation/replication.py +++ /dev/null @@ -1,73 +0,0 @@ -# -*- coding: utf-8 -*- -# Copyright 2014-2016 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. - -"""This layer is responsible for replicating with remote home servers using -a given transport. -""" - -from .federation_client import FederationClient -from .federation_server import FederationServer - -from .persistence import TransactionActions - -import logging - - -logger = logging.getLogger(__name__) - - -class ReplicationLayer(FederationClient, FederationServer): - """This layer is responsible for replicating with remote home servers over - the given transport. I.e., does the sending and receiving of PDUs to - remote home servers. - - The layer communicates with the rest of the server via a registered - ReplicationHandler. - - In more detail, the layer: - * Receives incoming data and processes it into transactions and pdus. - * Fetches any PDUs it thinks it might have missed. - * Keeps the current state for contexts up to date by applying the - suitable conflict resolution. - * Sends outgoing pdus wrapped in transactions. - * Fills out the references to previous pdus/transactions appropriately - for outgoing data. - """ - - def __init__(self, hs, transport_layer): - self.server_name = hs.hostname - - self.keyring = hs.get_keyring() - - self.transport_layer = transport_layer - - self.federation_client = self - - self.store = hs.get_datastore() - - self.handler = None - self.edu_handlers = {} - self.query_handlers = {} - - self._clock = hs.get_clock() - - self.transaction_actions = TransactionActions(self.store) - - self.hs = hs - - super(ReplicationLayer, self).__init__(hs) - - def __str__(self): - return "<ReplicationLayer(%s)>" % self.server_name diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py index 06c16ba4fa..a66a6b0692 100644 --- a/synapse/federation/transport/server.py +++ b/synapse/federation/transport/server.py @@ -1190,7 +1190,7 @@ GROUP_ATTESTATION_SERVLET_CLASSES = ( def register_servlets(hs, resource, authenticator, ratelimiter): for servletclass in FEDERATION_SERVLET_CLASSES: servletclass( - handler=hs.get_replication_layer(), + handler=hs.get_federation_server(), authenticator=authenticator, ratelimiter=ratelimiter, server_name=hs.hostname, |