mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-12-25 10:09:22 -05:00
Split transport layer into client and server parts
This commit is contained in:
Mark Haines
parent
2bdee98269
commit
602684eac5
62
synapse/federation/transport/__init__.py
Normal file
62
synapse/federation/transport/__init__.py
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@ -0,0 +1,62 @@
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# -*- coding: utf-8 -*-
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# Copyright 2014, 2015 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""The transport layer is responsible for both sending transactions to remote
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home servers and receiving a variety of requests from other home servers.
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By default this is done over HTTPS (and all home servers are required to
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support HTTPS), however individual pairings of servers may decide to
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communicate over a different (albeit still reliable) protocol.
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"""
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from .server import TransportLayerServer
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from .client import TransportLayerClient
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class TransportLayer(TransportLayerServer, TransportLayerClient):
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"""This is a basic implementation of the transport layer that translates
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transactions and other requests to/from HTTP.
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Attributes:
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server_name (str): Local home server host
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server (synapse.http.server.HttpServer): the http server to
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register listeners on
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client (synapse.http.client.HttpClient): the http client used to
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send requests
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request_handler (TransportRequestHandler): The handler to fire when we
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receive requests for data.
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received_handler (TransportReceivedHandler): The handler to fire when
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we receive data.
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"""
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def __init__(self, homeserver, server_name, server, client):
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"""
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Args:
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server_name (str): Local home server host
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server (synapse.protocol.http.HttpServer): the http server to
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register listeners on
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client (synapse.protocol.http.HttpClient): the http client used to
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send requests
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"""
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self.keyring = homeserver.get_keyring()
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self.server_name = server_name
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self.server = server
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self.client = client
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self.request_handler = None
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self.received_handler = None
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257
synapse/federation/transport/client.py
Normal file
257
synapse/federation/transport/client.py
Normal file
@ -0,0 +1,257 @@
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# -*- coding: utf-8 -*-
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# Copyright 2014, 2015 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet import defer
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from synapse.api.urls import FEDERATION_PREFIX as PREFIX
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from synapse.util.logutils import log_function
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import logging
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import json
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logger = logging.getLogger(__name__)
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class TransportLayerClient(object):
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"""Sends federation HTTP requests to other servers"""
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@log_function
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def get_context_state(self, destination, context, event_id=None):
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""" Requests all state for a given context (i.e. room) from the
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given server.
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Args:
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destination (str): The host name of the remote home server we want
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to get the state from.
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context (str): The name of the context we want the state of
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Returns:
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Deferred: Results in a dict received from the remote homeserver.
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"""
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logger.debug("get_context_state dest=%s, context=%s",
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destination, context)
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subpath = "/state/%s/" % context
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args = {}
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if event_id:
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args["event_id"] = event_id
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return self._do_request_for_transaction(
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destination, subpath, args=args
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)
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@log_function
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def get_event(self, destination, event_id):
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""" Requests the pdu with give id and origin from the given server.
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Args:
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destination (str): The host name of the remote home server we want
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to get the state from.
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event_id (str): The id of the event being requested.
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Returns:
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Deferred: Results in a dict received from the remote homeserver.
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"""
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logger.debug("get_pdu dest=%s, event_id=%s",
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destination, event_id)
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subpath = "/event/%s/" % (event_id, )
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return self._do_request_for_transaction(destination, subpath)
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@log_function
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def backfill(self, dest, context, event_tuples, limit):
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""" Requests `limit` previous PDUs in a given context before list of
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PDUs.
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Args:
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dest (str)
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context (str)
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event_tuples (list)
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limt (int)
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Returns:
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Deferred: Results in a dict received from the remote homeserver.
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"""
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logger.debug(
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"backfill dest=%s, context=%s, event_tuples=%s, limit=%s",
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dest, context, repr(event_tuples), str(limit)
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)
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if not event_tuples:
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# TODO: raise?
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return
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subpath = "/backfill/%s/" % (context,)
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args = {
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"v": event_tuples,
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"limit": [str(limit)],
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}
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return self._do_request_for_transaction(
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dest,
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subpath,
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args=args,
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)
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@defer.inlineCallbacks
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@log_function
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def send_transaction(self, transaction, json_data_callback=None):
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""" Sends the given Transaction to its destination
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Args:
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transaction (Transaction)
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Returns:
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Deferred: Results of the deferred is a tuple in the form of
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(response_code, response_body) where the response_body is a
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python dict decoded from json
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"""
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logger.debug(
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"send_data dest=%s, txid=%s",
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transaction.destination, transaction.transaction_id
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)
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if transaction.destination == self.server_name:
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raise RuntimeError("Transport layer cannot send to itself!")
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# FIXME: This is only used by the tests. The actual json sent is
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# generated by the json_data_callback.
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json_data = transaction.get_dict()
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code, response = yield self.client.put_json(
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transaction.destination,
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path=PREFIX + "/send/%s/" % transaction.transaction_id,
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data=json_data,
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json_data_callback=json_data_callback,
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)
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logger.debug(
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"send_data dest=%s, txid=%s, got response: %d",
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transaction.destination, transaction.transaction_id, code
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)
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defer.returnValue((code, response))
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@defer.inlineCallbacks
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@log_function
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def make_query(self, destination, query_type, args, retry_on_dns_fail):
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path = PREFIX + "/query/%s" % query_type
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response = yield self.client.get_json(
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destination=destination,
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path=path,
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args=args,
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retry_on_dns_fail=retry_on_dns_fail,
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)
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defer.returnValue(response)
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@defer.inlineCallbacks
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@log_function
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def make_join(self, destination, context, user_id, retry_on_dns_fail=True):
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path = PREFIX + "/make_join/%s/%s" % (context, user_id,)
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response = yield self.client.get_json(
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destination=destination,
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path=path,
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retry_on_dns_fail=retry_on_dns_fail,
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)
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defer.returnValue(response)
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@defer.inlineCallbacks
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@log_function
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def send_join(self, destination, context, event_id, content):
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path = PREFIX + "/send_join/%s/%s" % (
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context,
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event_id,
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)
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code, content = yield self.client.put_json(
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destination=destination,
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path=path,
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data=content,
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)
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if not 200 <= code < 300:
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raise RuntimeError("Got %d from send_join", code)
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defer.returnValue(json.loads(content))
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@defer.inlineCallbacks
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@log_function
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def send_invite(self, destination, context, event_id, content):
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path = PREFIX + "/invite/%s/%s" % (
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context,
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event_id,
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)
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code, content = yield self.client.put_json(
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destination=destination,
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path=path,
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data=content,
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)
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if not 200 <= code < 300:
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raise RuntimeError("Got %d from send_invite", code)
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defer.returnValue(json.loads(content))
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@defer.inlineCallbacks
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@log_function
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def get_event_auth(self, destination, context, event_id):
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path = PREFIX + "/event_auth/%s/%s" % (
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context,
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event_id,
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)
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response = yield self.client.get_json(
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destination=destination,
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path=path,
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)
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defer.returnValue(response)
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@defer.inlineCallbacks
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@log_function
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def _do_request_for_transaction(self, destination, subpath, args={}):
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"""
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Args:
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destination (str)
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path (str)
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args (dict): This is parsed directly to the HttpClient.
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Returns:
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Deferred: Results in a dict.
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"""
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data = yield self.client.get_json(
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destination,
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path=PREFIX + subpath,
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args=args,
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)
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# Add certain keys to the JSON, ready for decoding as a Transaction
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data.update(
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origin=destination,
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destination=self.server_name,
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transaction_id=None
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)
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defer.returnValue(data)
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@ -13,14 +13,6 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""The transport layer is responsible for both sending transactions to remote
|
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home servers and receiving a variety of requests from other home servers.
|
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|
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Typically, this is done over HTTP (and all home servers are required to
|
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support HTTP), however individual pairings of servers may decide to communicate
|
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over a different (albeit still reliable) protocol.
|
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"""
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from twisted.internet import defer
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from synapse.api.urls import FEDERATION_PREFIX as PREFIX
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@ -35,241 +27,8 @@ import re
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logger = logging.getLogger(__name__)
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class TransportLayer(object):
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"""This is a basic implementation of the transport layer that translates
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transactions and other requests to/from HTTP.
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Attributes:
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server_name (str): Local home server host
|
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|
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server (synapse.http.server.HttpServer): the http server to
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register listeners on
|
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|
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client (synapse.http.client.HttpClient): the http client used to
|
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send requests
|
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|
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request_handler (TransportRequestHandler): The handler to fire when we
|
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receive requests for data.
|
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|
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received_handler (TransportReceivedHandler): The handler to fire when
|
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we receive data.
|
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"""
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def __init__(self, homeserver, server_name, server, client):
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"""
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Args:
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server_name (str): Local home server host
|
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server (synapse.protocol.http.HttpServer): the http server to
|
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register listeners on
|
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client (synapse.protocol.http.HttpClient): the http client used to
|
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send requests
|
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"""
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self.keyring = homeserver.get_keyring()
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self.server_name = server_name
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self.server = server
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self.client = client
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self.request_handler = None
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self.received_handler = None
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@log_function
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def get_context_state(self, destination, context, event_id=None):
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""" Requests all state for a given context (i.e. room) from the
|
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given server.
|
||||
|
||||
Args:
|
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destination (str): The host name of the remote home server we want
|
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to get the state from.
|
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context (str): The name of the context we want the state of
|
||||
|
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Returns:
|
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Deferred: Results in a dict received from the remote homeserver.
|
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"""
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logger.debug("get_context_state dest=%s, context=%s",
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destination, context)
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subpath = "/state/%s/" % context
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args = {}
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if event_id:
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args["event_id"] = event_id
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return self._do_request_for_transaction(
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destination, subpath, args=args
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)
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@log_function
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def get_event(self, destination, event_id):
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""" Requests the pdu with give id and origin from the given server.
|
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|
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Args:
|
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destination (str): The host name of the remote home server we want
|
||||
to get the state from.
|
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event_id (str): The id of the event being requested.
|
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|
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Returns:
|
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Deferred: Results in a dict received from the remote homeserver.
|
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"""
|
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logger.debug("get_pdu dest=%s, event_id=%s",
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destination, event_id)
|
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subpath = "/event/%s/" % (event_id, )
|
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return self._do_request_for_transaction(destination, subpath)
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|
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@log_function
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def backfill(self, dest, context, event_tuples, limit):
|
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""" Requests `limit` previous PDUs in a given context before list of
|
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PDUs.
|
||||
|
||||
Args:
|
||||
dest (str)
|
||||
context (str)
|
||||
event_tuples (list)
|
||||
limt (int)
|
||||
|
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Returns:
|
||||
Deferred: Results in a dict received from the remote homeserver.
|
||||
"""
|
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logger.debug(
|
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"backfill dest=%s, context=%s, event_tuples=%s, limit=%s",
|
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dest, context, repr(event_tuples), str(limit)
|
||||
)
|
||||
|
||||
if not event_tuples:
|
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# TODO: raise?
|
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return
|
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|
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subpath = "/backfill/%s/" % (context,)
|
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|
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args = {
|
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"v": event_tuples,
|
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"limit": [str(limit)],
|
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}
|
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|
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return self._do_request_for_transaction(
|
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dest,
|
||||
subpath,
|
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args=args,
|
||||
)
|
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|
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@defer.inlineCallbacks
|
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@log_function
|
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def send_transaction(self, transaction, json_data_callback=None):
|
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""" Sends the given Transaction to its destination
|
||||
|
||||
Args:
|
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transaction (Transaction)
|
||||
|
||||
Returns:
|
||||
Deferred: Results of the deferred is a tuple in the form of
|
||||
(response_code, response_body) where the response_body is a
|
||||
python dict decoded from json
|
||||
"""
|
||||
logger.debug(
|
||||
"send_data dest=%s, txid=%s",
|
||||
transaction.destination, transaction.transaction_id
|
||||
)
|
||||
|
||||
if transaction.destination == self.server_name:
|
||||
raise RuntimeError("Transport layer cannot send to itself!")
|
||||
|
||||
# FIXME: This is only used by the tests. The actual json sent is
|
||||
# generated by the json_data_callback.
|
||||
json_data = transaction.get_dict()
|
||||
|
||||
code, response = yield self.client.put_json(
|
||||
transaction.destination,
|
||||
path=PREFIX + "/send/%s/" % transaction.transaction_id,
|
||||
data=json_data,
|
||||
json_data_callback=json_data_callback,
|
||||
)
|
||||
|
||||
logger.debug(
|
||||
"send_data dest=%s, txid=%s, got response: %d",
|
||||
transaction.destination, transaction.transaction_id, code
|
||||
)
|
||||
|
||||
defer.returnValue((code, response))
|
||||
|
||||
@defer.inlineCallbacks
|
||||
@log_function
|
||||
def make_query(self, destination, query_type, args, retry_on_dns_fail):
|
||||
path = PREFIX + "/query/%s" % query_type
|
||||
|
||||
response = yield self.client.get_json(
|
||||
destination=destination,
|
||||
path=path,
|
||||
args=args,
|
||||
retry_on_dns_fail=retry_on_dns_fail,
|
||||
)
|
||||
|
||||
defer.returnValue(response)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
@log_function
|
||||
def make_join(self, destination, context, user_id, retry_on_dns_fail=True):
|
||||
path = PREFIX + "/make_join/%s/%s" % (context, user_id,)
|
||||
|
||||
response = yield self.client.get_json(
|
||||
destination=destination,
|
||||
path=path,
|
||||
retry_on_dns_fail=retry_on_dns_fail,
|
||||
)
|
||||
|
||||
defer.returnValue(response)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
@log_function
|
||||
def send_join(self, destination, context, event_id, content):
|
||||
path = PREFIX + "/send_join/%s/%s" % (
|
||||
context,
|
||||
event_id,
|
||||
)
|
||||
|
||||
code, content = yield self.client.put_json(
|
||||
destination=destination,
|
||||
path=path,
|
||||
data=content,
|
||||
)
|
||||
|
||||
if not 200 <= code < 300:
|
||||
raise RuntimeError("Got %d from send_join", code)
|
||||
|
||||
defer.returnValue(json.loads(content))
|
||||
|
||||
@defer.inlineCallbacks
|
||||
@log_function
|
||||
def send_invite(self, destination, context, event_id, content):
|
||||
path = PREFIX + "/invite/%s/%s" % (
|
||||
context,
|
||||
event_id,
|
||||
)
|
||||
|
||||
code, content = yield self.client.put_json(
|
||||
destination=destination,
|
||||
path=path,
|
||||
data=content,
|
||||
)
|
||||
|
||||
if not 200 <= code < 300:
|
||||
raise RuntimeError("Got %d from send_invite", code)
|
||||
|
||||
defer.returnValue(json.loads(content))
|
||||
|
||||
@defer.inlineCallbacks
|
||||
@log_function
|
||||
def get_event_auth(self, destination, context, event_id):
|
||||
path = PREFIX + "/event_auth/%s/%s" % (
|
||||
context,
|
||||
event_id,
|
||||
)
|
||||
|
||||
response = yield self.client.get_json(
|
||||
destination=destination,
|
||||
path=path,
|
||||
)
|
||||
|
||||
defer.returnValue(response)
|
||||
class TransportLayerServer(object):
|
||||
"""Handles incoming federation HTTP requests"""
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _authenticate_request(self, request):
|
||||
@ -373,8 +132,6 @@ class TransportLayer(object):
|
||||
"""
|
||||
self.request_handler = handler
|
||||
|
||||
# TODO(markjh): Namespace the federation URI paths
|
||||
|
||||
# This is for when someone asks us for everything since version X
|
||||
self.server.register_path(
|
||||
"GET",
|
||||
@ -528,33 +285,6 @@ class TransportLayer(object):
|
||||
|
||||
defer.returnValue((code, response))
|
||||
|
||||
@defer.inlineCallbacks
|
||||
@log_function
|
||||
def _do_request_for_transaction(self, destination, subpath, args={}):
|
||||
"""
|
||||
Args:
|
||||
destination (str)
|
||||
path (str)
|
||||
args (dict): This is parsed directly to the HttpClient.
|
||||
|
||||
Returns:
|
||||
Deferred: Results in a dict.
|
||||
"""
|
||||
|
||||
data = yield self.client.get_json(
|
||||
destination,
|
||||
path=PREFIX + subpath,
|
||||
args=args,
|
||||
)
|
||||
|
||||
# Add certain keys to the JSON, ready for decoding as a Transaction
|
||||
data.update(
|
||||
origin=destination,
|
||||
destination=self.server_name,
|
||||
transaction_id=None
|
||||
)
|
||||
|
||||
defer.returnValue(data)
|
||||
|
||||
@log_function
|
||||
def _on_backfill_request(self, origin, context, v_list, limits):
|
||||
Loading…
Reference in New Issue
Block a user