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-rw-r--r--synapse/app/federation_reader.py206
-rw-r--r--synapse/replication/slave/storage/directory.py23
-rw-r--r--synapse/replication/slave/storage/events.py9
-rw-r--r--synapse/replication/slave/storage/keys.py33
-rw-r--r--synapse/replication/slave/storage/room.py21
-rw-r--r--synapse/replication/slave/storage/transactions.py30
-rw-r--r--synapse/storage/keys.py38
7 files changed, 342 insertions, 18 deletions
diff --git a/synapse/app/federation_reader.py b/synapse/app/federation_reader.py
new file mode 100644
index 0000000000..58d425f9ac
--- /dev/null
+++ b/synapse/app/federation_reader.py
@@ -0,0 +1,206 @@
+#!/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.events import SlavedEventStore
+from synapse.replication.slave.storage.keys import SlavedKeyStore
+from synapse.replication.slave.storage.room import RoomStore
+from synapse.replication.slave.storage.transactions import TransactionStore
+from synapse.replication.slave.storage.directory import DirectoryStore
+from synapse.server import HomeServer
+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 synapse.api.urls import FEDERATION_PREFIX
+from synapse.federation.transport.server import TransportLayerServer
+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.federation_reader")
+
+
+class FederationReaderSlavedStore(
+    SlavedEventStore,
+    SlavedKeyStore,
+    RoomStore,
+    DirectoryStore,
+    TransactionStore,
+    BaseSlavedStore,
+):
+    pass
+
+
+class FederationReaderServer(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 = FederationReaderSlavedStore(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 == "federation":
+                    resources.update({
+                        FEDERATION_PREFIX: TransportLayerServer(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 federation reader 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 federation reader", config_options
+        )
+    except ConfigError as e:
+        sys.stderr.write("\n" + e.message + "\n")
+        sys.exit(1)
+
+    assert config.worker_app == "synapse.app.federation_reader"
+
+    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 = FederationReaderServer(
+        config.server_name,
+        db_config=config.database_config,
+        tls_server_context_factory=tls_server_context_factory,
+        config=config,
+        version_string=get_version_string("Synapse", 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-federation-reader",
+            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/replication/slave/storage/directory.py b/synapse/replication/slave/storage/directory.py
new file mode 100644
index 0000000000..5fbe3a303a
--- /dev/null
+++ b/synapse/replication/slave/storage/directory.py
@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+# Copyright 2015, 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 ._base import BaseSlavedStore
+from synapse.storage.directory import DirectoryStore
+
+
+class DirectoryStore(BaseSlavedStore):
+    get_aliases_for_room = DirectoryStore.__dict__[
+        "get_aliases_for_room"
+    ].orig
diff --git a/synapse/replication/slave/storage/events.py b/synapse/replication/slave/storage/events.py
index 6a644f1386..f4f31f2d27 100644
--- a/synapse/replication/slave/storage/events.py
+++ b/synapse/replication/slave/storage/events.py
@@ -145,6 +145,15 @@ class SlavedEventStore(BaseSlavedStore):
     _get_events_around_txn = DataStore._get_events_around_txn.__func__
     _get_some_state_from_cache = DataStore._get_some_state_from_cache.__func__
 
+    get_backfill_events = DataStore.get_backfill_events.__func__
+    _get_backfill_events = DataStore._get_backfill_events.__func__
+    get_missing_events = DataStore.get_missing_events.__func__
+    _get_missing_events = DataStore._get_missing_events.__func__
+
+    get_auth_chain = DataStore.get_auth_chain.__func__
+    get_auth_chain_ids = DataStore.get_auth_chain_ids.__func__
+    _get_auth_chain_ids_txn = DataStore._get_auth_chain_ids_txn.__func__
+
     def stream_positions(self):
         result = super(SlavedEventStore, self).stream_positions()
         result["events"] = self._stream_id_gen.get_current_token()
diff --git a/synapse/replication/slave/storage/keys.py b/synapse/replication/slave/storage/keys.py
new file mode 100644
index 0000000000..dd2ae49e48
--- /dev/null
+++ b/synapse/replication/slave/storage/keys.py
@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+# Copyright 2015, 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 ._base import BaseSlavedStore
+from synapse.storage import DataStore
+from synapse.storage.keys import KeyStore
+
+
+class SlavedKeyStore(BaseSlavedStore):
+    _get_server_verify_key = KeyStore.__dict__[
+        "_get_server_verify_key"
+    ]
+
+    get_server_verify_keys = DataStore.get_server_verify_keys.__func__
+    store_server_verify_key = DataStore.store_server_verify_key.__func__
+
+    get_server_certificate = DataStore.get_server_certificate.__func__
+    store_server_certificate = DataStore.store_server_certificate.__func__
+
+    get_server_keys_json = DataStore.get_server_keys_json.__func__
+    store_server_keys_json = DataStore.store_server_keys_json.__func__
diff --git a/synapse/replication/slave/storage/room.py b/synapse/replication/slave/storage/room.py
new file mode 100644
index 0000000000..d5bb0f98ea
--- /dev/null
+++ b/synapse/replication/slave/storage/room.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Copyright 2015, 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 ._base import BaseSlavedStore
+from synapse.storage import DataStore
+
+
+class RoomStore(BaseSlavedStore):
+    get_public_room_ids = DataStore.get_public_room_ids.__func__
diff --git a/synapse/replication/slave/storage/transactions.py b/synapse/replication/slave/storage/transactions.py
new file mode 100644
index 0000000000..6f2ba98af5
--- /dev/null
+++ b/synapse/replication/slave/storage/transactions.py
@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Copyright 2015, 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 twisted.internet import defer
+from ._base import BaseSlavedStore
+from synapse.storage import DataStore
+from synapse.storage.transactions import TransactionStore
+
+
+class TransactionStore(BaseSlavedStore):
+    get_destination_retry_timings = TransactionStore.__dict__[
+        "get_destination_retry_timings"
+    ].orig
+    _get_destination_retry_timings = DataStore._get_destination_retry_timings.__func__
+
+    # For now, don't record the destination rety timings
+    def set_destination_retry_timings(*args, **kwargs):
+        return defer.succeed(None)
diff --git a/synapse/storage/keys.py b/synapse/storage/keys.py
index a495a8a7d9..86b37b9ddd 100644
--- a/synapse/storage/keys.py
+++ b/synapse/storage/keys.py
@@ -22,6 +22,10 @@ import OpenSSL
 from signedjson.key import decode_verify_key_bytes
 import hashlib
 
+import logging
+
+logger = logging.getLogger(__name__)
+
 
 class KeyStore(SQLBaseStore):
     """Persistence for signature verification keys and tls X.509 certificates
@@ -74,22 +78,22 @@ class KeyStore(SQLBaseStore):
         )
 
     @cachedInlineCallbacks()
-    def get_all_server_verify_keys(self, server_name):
-        rows = yield self._simple_select_list(
+    def _get_server_verify_key(self, server_name, key_id):
+        verify_key_bytes = yield self._simple_select_one_onecol(
             table="server_signature_keys",
             keyvalues={
                 "server_name": server_name,
+                "key_id": key_id,
             },
-            retcols=["key_id", "verify_key"],
-            desc="get_all_server_verify_keys",
+            retcol="verify_key",
+            desc="_get_server_verify_key",
+            allow_none=True,
         )
 
-        defer.returnValue({
-            row["key_id"]: decode_verify_key_bytes(
-                row["key_id"], str(row["verify_key"])
-            )
-            for row in rows
-        })
+        if verify_key_bytes:
+            defer.returnValue(decode_verify_key_bytes(
+                key_id, str(verify_key_bytes)
+            ))
 
     @defer.inlineCallbacks
     def get_server_verify_keys(self, server_name, key_ids):
@@ -101,12 +105,12 @@ class KeyStore(SQLBaseStore):
         Returns:
             (list of VerifyKey): The verification keys.
         """
-        keys = yield self.get_all_server_verify_keys(server_name)
-        defer.returnValue({
-            k: keys[k]
-            for k in key_ids
-            if k in keys and keys[k]
-        })
+        keys = {}
+        for key_id in key_ids:
+            key = yield self._get_server_verify_key(server_name, key_id)
+            if key:
+                keys[key_id] = key
+        defer.returnValue(keys)
 
     @defer.inlineCallbacks
     def store_server_verify_key(self, server_name, from_server, time_now_ms,
@@ -133,8 +137,6 @@ class KeyStore(SQLBaseStore):
             desc="store_server_verify_key",
         )
 
-        self.get_all_server_verify_keys.invalidate((server_name,))
-
     def store_server_keys_json(self, server_name, key_id, from_server,
                                ts_now_ms, ts_expires_ms, key_json_bytes):
         """Stores the JSON bytes for a set of keys from a server