Merge branch 'develop' of github.com:matrix-org/synapse into release-v0.13.0

AUTHORS.rst

@@ -51,3 +51,6 @@ Steven Hammerton <steven.hammerton at openmarket.com>
 
 Mads Robin Christensen <mads at v42 dot dk>
  * CentOS 7 installation instructions.
+
+Florent Violleau <floviolleau at gmail dot com>
+ * Add Raspberry Pi installation instructions and general troubleshooting items

README.rst

@@ -125,6 +125,15 @@ Installing prerequisites on Mac OS X::
     sudo easy_install pip
     sudo pip install virtualenv
 
+Installing prerequisites on Raspbian::
+
+    sudo apt-get install build-essential python2.7-dev libffi-dev \
+                         python-pip python-setuptools sqlite3 \
+                         libssl-dev python-virtualenv libjpeg-dev
+    sudo pip install --upgrade pip
+    sudo pip install --upgrade ndg-httpsclient
+    sudo pip install --upgrade virtualenv
+
 To install the synapse homeserver run::
 
     virtualenv -p python2.7 ~/.synapse
@@ -310,6 +319,18 @@ may need to manually upgrade it::
 
     sudo pip install --upgrade pip
 
+Installing may fail with ``Could not find any downloads that satisfy the requirement pymacaroons-pynacl (from matrix-synapse==0.12.0)``.
+You can fix this by manually upgrading pip and virtualenv::
+
+    sudo pip install --upgrade virtualenv
+
+You can next rerun ``virtualenv -p python2.7 synapse`` to update the virtual env.
+
+Installing may fail during installing virtualenv with ``InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.``
+You can fix this  by manually installing ndg-httpsclient::
+
+    pip install --upgrade ndg-httpsclient
+
 Installing may fail with ``mock requires setuptools>=17.1. Aborting installation``.
 You can fix this by upgrading setuptools::
 

scripts-dev/dump_macaroon.py

@@ -0,0 +1,24 @@
+#!/usr/bin/env python2
+
+import pymacaroons
+import sys
+
+if len(sys.argv) == 1:
+    sys.stderr.write("usage: %s macaroon [key]\n" % (sys.argv[0],))
+    sys.exit(1)
+
+macaroon_string = sys.argv[1]
+key = sys.argv[2] if len(sys.argv) > 2 else None
+
+macaroon = pymacaroons.Macaroon.deserialize(macaroon_string)
+print macaroon.inspect()
+
+print ""
+
+verifier = pymacaroons.Verifier()
+verifier.satisfy_general(lambda c: True)
+try:
+    verifier.verify(macaroon, key)
+    print "Signature is correct"
+except Exception as e:
+    print e.message

scripts-dev/list_url_patterns.py

@@ -0,0 +1,62 @@
+#! /usr/bin/python
+
+import ast
+import argparse
+import os
+import sys
+import yaml
+
+PATTERNS_V1 = []
+PATTERNS_V2 = []
+
+RESULT = {
+    "v1": PATTERNS_V1,
+    "v2": PATTERNS_V2,
+}
+
+class CallVisitor(ast.NodeVisitor):
+    def visit_Call(self, node):
+        if isinstance(node.func, ast.Name):
+            name = node.func.id
+        else:
+            return
+
+
+        if name == "client_path_patterns":
+            PATTERNS_V1.append(node.args[0].s)
+        elif name == "client_v2_patterns":
+            PATTERNS_V2.append(node.args[0].s)
+
+
+def find_patterns_in_code(input_code):
+    input_ast = ast.parse(input_code)
+    visitor = CallVisitor()
+    visitor.visit(input_ast)
+
+
+def find_patterns_in_file(filepath):
+    with open(filepath) as f:
+        find_patterns_in_code(f.read())
+
+
+parser = argparse.ArgumentParser(description='Find url patterns.')
+
+parser.add_argument(
+    "directories", nargs='+', metavar="DIR",
+    help="Directories to search for definitions"
+)
+
+args = parser.parse_args()
+
+
+for directory in args.directories:
+    for root, dirs, files in os.walk(directory):
+        for filename in files:
+            if filename.endswith(".py"):
+                filepath = os.path.join(root, filename)
+                find_patterns_in_file(filepath)
+
+PATTERNS_V1.sort()
+PATTERNS_V2.sort()
+
+yaml.dump(RESULT, sys.stdout, default_flow_style=False)

setup.cfg

@@ -16,3 +16,4 @@ ignore =
 
 [flake8]
 max-line-length = 90
+ignore = W503 ; W503 requires that binary operators be at the end, not start, of lines. Erik doesn't like it.

synapse/api/auth.py

@@ -24,6 +24,7 @@ from synapse.api.constants import EventTypes, Membership, JoinRules
 from synapse.api.errors import AuthError, Codes, SynapseError, EventSizeError
 from synapse.types import Requester, RoomID, UserID, EventID
 from synapse.util.logutils import log_function
+from synapse.util.logcontext import preserve_context_over_fn
 from unpaddedbase64 import decode_base64
 
 import logging
@@ -529,7 +530,8 @@ class Auth(object):
                 default=[""]
             )[0]
             if user and access_token and ip_addr:
-                self.store.insert_client_ip(
+                preserve_context_over_fn(
+                    self.store.insert_client_ip,
                     user=user,
                     access_token=access_token,
                     ip=ip_addr,
@@ -696,6 +698,7 @@ class Auth(object):
     def _look_up_user_by_access_token(self, token):
         ret = yield self.store.get_user_by_access_token(token)
         if not ret:
+            logger.warn("Unrecognised access token - not in store: %s" % (token,))
             raise AuthError(
                 self.TOKEN_NOT_FOUND_HTTP_STATUS, "Unrecognised access token.",
                 errcode=Codes.UNKNOWN_TOKEN
@@ -713,6 +716,7 @@ class Auth(object):
             token = request.args["access_token"][0]
             service = yield self.store.get_app_service_by_token(token)
             if not service:
+                logger.warn("Unrecognised appservice access token: %s" % (token,))
                 raise AuthError(
                     self.TOKEN_NOT_FOUND_HTTP_STATUS,
                     "Unrecognised access token.",

synapse/api/urls.py

@@ -23,5 +23,6 @@ WEB_CLIENT_PREFIX = "/_matrix/client"
 CONTENT_REPO_PREFIX = "/_matrix/content"
 SERVER_KEY_PREFIX = "/_matrix/key/v1"
 SERVER_KEY_V2_PREFIX = "/_matrix/key/v2"
-MEDIA_PREFIX = "/_matrix/media/v1"
+MEDIA_PREFIX = "/_matrix/media/r0"
+LEGACY_MEDIA_PREFIX = "/_matrix/media/v1"
 APP_SERVICE_PREFIX = "/_matrix/appservice/v1"

synapse/app/__init__.py

@@ -12,3 +12,22 @@
 # 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 sys
+sys.dont_write_bytecode = True
+
+from synapse.python_dependencies import (
+    check_requirements, MissingRequirementError
+)  # NOQA
+
+try:
+    check_requirements()
+except MissingRequirementError as e:
+    message = "\n".join([
+        "Missing Requirement: %s" % (e.message,),
+        "To install run:",
+        "    pip install --upgrade --force \"%s\"" % (e.dependency,),
+        "",
+    ])
+    sys.stderr.writelines(message)
+    sys.exit(1)

synapse/app/homeserver.py

@@ -14,27 +14,23 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import sys
+import synapse
-from synapse.rest import ClientRestResource
+
+import contextlib
+import logging
+import os
+import re
+import resource
+import subprocess
+import sys
+import time
+from synapse.config._base import ConfigError
 
-sys.dont_write_bytecode = True
 from synapse.python_dependencies import (
-    check_requirements, DEPENDENCY_LINKS, MissingRequirementError
+    check_requirements, DEPENDENCY_LINKS
 )
 
-if __name__ == '__main__':
+from synapse.rest import ClientRestResource
-    try:
-        check_requirements()
-    except MissingRequirementError as e:
-        message = "\n".join([
-            "Missing Requirement: %s" % (e.message,),
-            "To install run:",
-            "    pip install --upgrade --force \"%s\"" % (e.dependency,),
-            "",
-        ])
-        sys.stderr.writelines(message)
-        sys.exit(1)
-
 from synapse.storage.engines import create_engine, IncorrectDatabaseSetup
 from synapse.storage import are_all_users_on_domain
 from synapse.storage.prepare_database import UpgradeDatabaseException
@@ -60,7 +56,7 @@ from synapse.rest.key.v1.server_key_resource import LocalKey
 from synapse.rest.key.v2 import KeyApiV2Resource
 from synapse.api.urls import (
     FEDERATION_PREFIX, WEB_CLIENT_PREFIX, CONTENT_REPO_PREFIX,
-    SERVER_KEY_PREFIX, MEDIA_PREFIX, STATIC_PREFIX,
+    SERVER_KEY_PREFIX, LEGACY_MEDIA_PREFIX, MEDIA_PREFIX, STATIC_PREFIX,
     SERVER_KEY_V2_PREFIX,
 )
 from synapse.config.homeserver import HomeServerConfig
@@ -73,17 +69,6 @@ from synapse import events
 
 from daemonize import Daemonize
 
-import synapse
-
-import contextlib
-import logging
-import os
-import re
-import resource
-import subprocess
-import time
-
-
 logger = logging.getLogger("synapse.app.homeserver")
 
 
@@ -163,8 +148,10 @@ class SynapseHomeServer(HomeServer):
                     })
 
                 if name in ["media", "federation", "client"]:
+                    media_repo = MediaRepositoryResource(self)
                     resources.update({
-                        MEDIA_PREFIX: MediaRepositoryResource(self),
+                        MEDIA_PREFIX: media_repo,
+                        LEGACY_MEDIA_PREFIX: media_repo,
                         CONTENT_REPO_PREFIX: ContentRepoResource(
                             self, self.config.uploads_path, self.auth, self.content_addr
                         ),
@@ -366,11 +353,20 @@ def setup(config_options):
     Returns:
         HomeServer
     """
+    try:
         config = HomeServerConfig.load_config(
             "Synapse Homeserver",
             config_options,
             generate_section="Homeserver"
         )
+    except ConfigError as e:
+        sys.stderr.write("\n" + e.message + "\n")
+        sys.exit(1)
+
+    if not config:
+        # If a config isn't returned, and an exception isn't raised, we're just
+        # generating config files and shouldn't try to continue.
+        sys.exit(0)
 
     config.setup_logging()
 
@@ -690,8 +686,8 @@ def run(hs):
         stats["uptime_seconds"] = uptime
         stats["total_users"] = yield hs.get_datastore().count_all_users()
 
-        all_rooms = yield hs.get_datastore().get_rooms(False)
+        room_count = yield hs.get_datastore().get_room_count()
-        stats["total_room_count"] = len(all_rooms)
+        stats["total_room_count"] = room_count
 
         stats["daily_active_users"] = yield hs.get_datastore().count_daily_users()
         daily_messages = yield hs.get_datastore().count_daily_messages()
@@ -713,6 +709,8 @@ def run(hs):
         phone_home_task.start(60 * 60 * 24, now=False)
 
     def in_thread():
+        # Uncomment to enable tracing of log context changes.
+        # sys.settrace(logcontext_tracer)
         with LoggingContext("run"):
             change_resource_limit(hs.config.soft_file_limit)
             reactor.run()

synapse/config/__main__.py

@@ -12,6 +12,7 @@
 # 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 synapse.config._base import ConfigError
 
 if __name__ == "__main__":
     import sys
@@ -21,7 +22,11 @@ if __name__ == "__main__":
 
     if action == "read":
         key = sys.argv[2]
+        try:
             config = HomeServerConfig.load_config("", sys.argv[3:])
+        except ConfigError as e:
+            sys.stderr.write("\n" + e.message + "\n")
+            sys.exit(1)
 
         print getattr(config, key)
         sys.exit(0)

synapse/config/_base.py

@@ -17,7 +17,6 @@ import argparse
 import errno
 import os
 import yaml
-import sys
 from textwrap import dedent
 
 
@@ -136,13 +135,20 @@ class Config(object):
                 results.append(getattr(cls, name)(self, *args, **kargs))
         return results
 
-    def generate_config(self, config_dir_path, server_name, report_stats=None):
+    def generate_config(
+            self,
+            config_dir_path,
+            server_name,
+            is_generating_file,
+            report_stats=None,
+    ):
         default_config = "# vim:ft=yaml\n"
 
         default_config += "\n\n".join(dedent(conf) for conf in self.invoke_all(
             "default_config",
             config_dir_path=config_dir_path,
             server_name=server_name,
+            is_generating_file=is_generating_file,
             report_stats=report_stats,
         ))
 
@@ -244,8 +250,10 @@ class Config(object):
 
                 server_name = config_args.server_name
                 if not server_name:
-                    print "Must specify a server_name to a generate config for."
+                    raise ConfigError(
-                    sys.exit(1)
+                        "Must specify a server_name to a generate config for."
+                        " Pass -H server.name."
+                    )
                 if not os.path.exists(config_dir_path):
                     os.makedirs(config_dir_path)
                 with open(config_path, "wb") as config_file:
@@ -253,6 +261,7 @@ class Config(object):
                         config_dir_path=config_dir_path,
                         server_name=server_name,
                         report_stats=(config_args.report_stats == "yes"),
+                        is_generating_file=True
                     )
                     obj.invoke_all("generate_files", config)
                     config_file.write(config_bytes)
@@ -266,7 +275,7 @@ class Config(object):
                     "If this server name is incorrect, you will need to"
                     " regenerate the SSL certificates"
                 )
-                sys.exit(0)
+                return
             else:
                 print (
                     "Config file %r already exists. Generating any missing key"
@@ -302,25 +311,25 @@ class Config(object):
             specified_config.update(yaml_config)
 
         if "server_name" not in specified_config:
-            sys.stderr.write("\n" + MISSING_SERVER_NAME + "\n")
+            raise ConfigError(MISSING_SERVER_NAME)
-            sys.exit(1)
 
         server_name = specified_config["server_name"]
         _, config = obj.generate_config(
             config_dir_path=config_dir_path,
-            server_name=server_name
+            server_name=server_name,
+            is_generating_file=False,
         )
         config.pop("log_config")
         config.update(specified_config)
         if "report_stats" not in config:
-            sys.stderr.write(
+            raise ConfigError(
-                "\n" + MISSING_REPORT_STATS_CONFIG_INSTRUCTIONS + "\n" +
+                MISSING_REPORT_STATS_CONFIG_INSTRUCTIONS + "\n" +
-                MISSING_REPORT_STATS_SPIEL + "\n")
+                MISSING_REPORT_STATS_SPIEL
-            sys.exit(1)
+            )
 
         if generate_keys:
             obj.invoke_all("generate_files", config)
-            sys.exit(0)
+            return
 
         obj.invoke_all("read_config", config)
 

synapse/config/key.py

@@ -22,8 +22,14 @@ from signedjson.key import (
     read_signing_keys, write_signing_keys, NACL_ED25519
 )
 from unpaddedbase64 import decode_base64
+from synapse.util.stringutils import random_string_with_symbols
 
 import os
+import hashlib
+import logging
+
+
+logger = logging.getLogger(__name__)
 
 
 class KeyConfig(Config):
@@ -40,9 +46,29 @@ class KeyConfig(Config):
             config["perspectives"]
         )
 
-    def default_config(self, config_dir_path, server_name, **kwargs):
+        self.macaroon_secret_key = config.get(
+            "macaroon_secret_key", self.registration_shared_secret
+        )
+
+        if not self.macaroon_secret_key:
+            # Unfortunately, there are people out there that don't have this
+            # set. Lets just be "nice" and derive one from their secret key.
+            logger.warn("Config is missing missing macaroon_secret_key")
+            seed = self.signing_key[0].seed
+            self.macaroon_secret_key = hashlib.sha256(seed)
+
+    def default_config(self, config_dir_path, server_name, is_generating_file=False,
+                       **kwargs):
         base_key_name = os.path.join(config_dir_path, server_name)
+
+        if is_generating_file:
+            macaroon_secret_key = random_string_with_symbols(50)
+        else:
+            macaroon_secret_key = None
+
         return """\
+        macaroon_secret_key: "%(macaroon_secret_key)s"
+
         ## Signing Keys ##
 
         # Path to the signing key to sign messages with

synapse/config/registration.py

@@ -23,22 +23,23 @@ from distutils.util import strtobool
 class RegistrationConfig(Config):
 
     def read_config(self, config):
-        self.disable_registration = not bool(
+        self.enable_registration = bool(
             strtobool(str(config["enable_registration"]))
         )
         if "disable_registration" in config:
-            self.disable_registration = bool(
+            self.enable_registration = not bool(
                 strtobool(str(config["disable_registration"]))
             )
 
         self.registration_shared_secret = config.get("registration_shared_secret")
-        self.macaroon_secret_key = config.get("macaroon_secret_key")
+
         self.bcrypt_rounds = config.get("bcrypt_rounds", 12)
+        self.trusted_third_party_id_servers = config["trusted_third_party_id_servers"]
         self.allow_guest_access = config.get("allow_guest_access", False)
 
     def default_config(self, **kwargs):
         registration_shared_secret = random_string_with_symbols(50)
-        macaroon_secret_key = random_string_with_symbols(50)
+
         return """\
         ## Registration ##
 
@@ -49,8 +50,6 @@ class RegistrationConfig(Config):
         # secret, even if registration is otherwise disabled.
         registration_shared_secret: "%(registration_shared_secret)s"
 
-        macaroon_secret_key: "%(macaroon_secret_key)s"
-
         # Set the number of bcrypt rounds used to generate password hash.
         # Larger numbers increase the work factor needed to generate the hash.
         # The default number of rounds is 12.
@@ -60,6 +59,12 @@ class RegistrationConfig(Config):
         # participate in rooms hosted on this server which have been made
         # accessible to anonymous users.
         allow_guest_access: False
+
+        # The list of identity servers trusted to verify third party
+        # identifiers by this server.
+        trusted_third_party_id_servers:
+            - matrix.org
+            - vector.im
         """ % locals()
 
     def add_arguments(self, parser):
@@ -71,6 +76,6 @@ class RegistrationConfig(Config):
 
     def read_arguments(self, args):
         if args.enable_registration is not None:
-            self.disable_registration = not bool(
+            self.enable_registration = bool(
                 strtobool(str(args.enable_registration))
             )

synapse/crypto/keyring.py

@@ -18,6 +18,10 @@ from synapse.api.errors import SynapseError, Codes
 from synapse.util.retryutils import get_retry_limiter
 from synapse.util import unwrapFirstError
 from synapse.util.async import ObservableDeferred
+from synapse.util.logcontext import (
+    preserve_context_over_deferred, preserve_context_over_fn, PreserveLoggingContext,
+    preserve_fn
+)
 
 from twisted.internet import defer
 
@@ -142,6 +146,8 @@ class Keyring(object):
             for server_name, _ in server_and_json
         }
 
+        with PreserveLoggingContext():
+
             # We want to wait for any previous lookups to complete before
             # proceeding.
             wait_on_deferred = self.wait_for_previous_lookups(
@@ -175,7 +181,8 @@ class Keyring(object):
         # Pass those keys to handle_key_deferred so that the json object
         # signatures can be verified
         return [
-            handle_key_deferred(
+            preserve_context_over_fn(
+                handle_key_deferred,
                 group_id_to_group[g_id],
                 deferreds[g_id],
             )
@@ -198,12 +205,13 @@ class Keyring(object):
                 if server_name in self.key_downloads
             ]
             if wait_on:
+                with PreserveLoggingContext():
                     yield defer.DeferredList(wait_on)
             else:
                 break
 
         for server_name, deferred in server_to_deferred.items():
-            d = ObservableDeferred(deferred)
+            d = ObservableDeferred(preserve_context_over_deferred(deferred))
             self.key_downloads[server_name] = d
 
             def rm(r, server_name):
@@ -244,6 +252,7 @@ class Keyring(object):
                 for group in group_id_to_group.values():
                     for key_id in group.key_ids:
                         if key_id in merged_results[group.server_name]:
+                            with PreserveLoggingContext():
                                 group_id_to_deferred[group.group_id].callback((
                                     group.group_id,
                                     group.server_name,
@@ -504,7 +513,7 @@ class Keyring(object):
 
         yield defer.gatherResults(
             [
-                self.store_keys(
+                preserve_fn(self.store_keys)(
                     server_name=key_server_name,
                     from_server=server_name,
                     verify_keys=verify_keys,
@@ -573,7 +582,7 @@ class Keyring(object):
 
         yield defer.gatherResults(
             [
-                self.store.store_server_keys_json(
+                preserve_fn(self.store.store_server_keys_json)(
                     server_name=server_name,
                     key_id=key_id,
                     from_server=server_name,
@@ -675,7 +684,7 @@ class Keyring(object):
         # TODO(markjh): Store whether the keys have expired.
         yield defer.gatherResults(
             [
-                self.store.store_server_verify_key(
+                preserve_fn(self.store.store_server_verify_key)(
                     server_name, server_name, key.time_added, key
                 )
                 for key_id, key in verify_keys.items()

synapse/events/snapshot.py

@@ -20,3 +20,4 @@ class EventContext(object):
         self.current_state = current_state
         self.state_group = None
         self.rejected = False
+        self.push_actions = []

synapse/federation/federation_client.py

@@ -57,7 +57,7 @@ class FederationClient(FederationBase):
             cache_name="get_pdu_cache",
             clock=self._clock,
             max_len=1000,
-            expiry_ms=120*1000,
+            expiry_ms=120 * 1000,
             reset_expiry_on_get=False,
         )
 

synapse/federation/federation_server.py

@@ -126,10 +126,8 @@ class FederationServer(FederationBase):
         results = []
 
         for pdu in pdu_list:
-            d = self._handle_new_pdu(transaction.origin, pdu)
-
             try:
-                yield d
+                yield self._handle_new_pdu(transaction.origin, pdu)
                 results.append({})
             except FederationError as e:
                 self.send_failure(e, transaction.origin)

synapse/federation/transaction_queue.py

@@ -103,7 +103,6 @@ class TransactionQueue(object):
         else:
             return not destination.startswith("localhost")
 
-    @defer.inlineCallbacks
     def enqueue_pdu(self, pdu, destinations, order):
         # We loop through all destinations to see whether we already have
         # a transaction in progress. If we do, stick it in the pending_pdus
@@ -141,8 +140,6 @@ class TransactionQueue(object):
 
             deferreds.append(deferred)
 
-        yield defer.DeferredList(deferreds, consumeErrors=True)
-
     # NO inlineCallbacks
     def enqueue_edu(self, edu):
         destination = edu.destination

synapse/handlers/_base.py

@@ -53,25 +53,10 @@ class BaseHandler(object):
         self.event_builder_factory = hs.get_event_builder_factory()
 
     @defer.inlineCallbacks
-    def _filter_events_for_clients(self, user_tuples, events):
+    def _filter_events_for_clients(self, user_tuples, events, event_id_to_state):
         """ Returns dict of user_id -> list of events that user is allowed to
         see.
         """
-        # If there is only one user, just get the state for that one user,
-        # otherwise just get all the state.
-        if len(user_tuples) == 1:
-            types = (
-                (EventTypes.RoomHistoryVisibility, ""),
-                (EventTypes.Member, user_tuples[0][0]),
-            )
-        else:
-            types = None
-
-        event_id_to_state = yield self.store.get_state_for_events(
-            frozenset(e.event_id for e in events),
-            types=types
-        )
-
         forgotten = yield defer.gatherResults([
             self.store.who_forgot_in_room(
                 room_id,
@@ -135,7 +120,17 @@ class BaseHandler(object):
     @defer.inlineCallbacks
     def _filter_events_for_client(self, user_id, events, is_peeking=False):
         # Assumes that user has at some point joined the room if not is_guest.
-        res = yield self._filter_events_for_clients([(user_id, is_peeking)], events)
+        types = (
+            (EventTypes.RoomHistoryVisibility, ""),
+            (EventTypes.Member, user_id),
+        )
+        event_id_to_state = yield self.store.get_state_for_events(
+            frozenset(e.event_id for e in events),
+            types=types
+        )
+        res = yield self._filter_events_for_clients(
+            [(user_id, is_peeking)], events, event_id_to_state
+        )
         defer.returnValue(res.get(user_id, []))
 
     def ratelimit(self, user_id):
@@ -147,7 +142,7 @@ class BaseHandler(object):
         )
         if not allowed:
             raise LimitExceededError(
-                retry_after_ms=int(1000*(time_allowed - time_now)),
+                retry_after_ms=int(1000 * (time_allowed - time_now)),
             )
 
     @defer.inlineCallbacks
@@ -269,13 +264,13 @@ class BaseHandler(object):
                         "You don't have permission to redact events"
                     )
 
-        (event_stream_id, max_stream_id) = yield self.store.persist_event(
-            event, context=context
-        )
-
         action_generator = ActionGenerator(self.hs)
         yield action_generator.handle_push_actions_for_event(
-            event, self
+            event, context, self
+        )
+
+        (event_stream_id, max_stream_id) = yield self.store.persist_event(
+            event, context=context
         )
 
         destinations = set()
@@ -293,19 +288,11 @@ class BaseHandler(object):
 
         with PreserveLoggingContext():
             # Don't block waiting on waking up all the listeners.
-            notify_d = self.notifier.on_new_room_event(
+            self.notifier.on_new_room_event(
                 event, event_stream_id, max_stream_id,
                 extra_users=extra_users
             )
 
-        def log_failure(f):
-            logger.warn(
-                "Failed to notify about %s: %s",
-                event.event_id, f.value
-            )
-
-        notify_d.addErrback(log_failure)
-
         # If invite, remove room_state from unsigned before sending.
         event.unsigned.pop("invite_room_state", None)
 

synapse/handlers/directory.py

@@ -175,8 +175,8 @@ class DirectoryHandler(BaseHandler):
         # If this server is in the list of servers, return it first.
         if self.server_name in servers:
             servers = (
-                [self.server_name]
+                [self.server_name] +
-                + [s for s in servers if s != self.server_name]
+                [s for s in servers if s != self.server_name]
             )
         else:
             servers = list(servers)

synapse/handlers/events.py

@@ -18,6 +18,7 @@ from twisted.internet import defer
 from synapse.util.logutils import log_function
 from synapse.types import UserID
 from synapse.events.utils import serialize_event
+from synapse.util.logcontext import preserve_context_over_fn
 
 from ._base import BaseHandler
 
@@ -29,11 +30,17 @@ logger = logging.getLogger(__name__)
 
 
 def started_user_eventstream(distributor, user):
-    return distributor.fire("started_user_eventstream", user)
+    return preserve_context_over_fn(
+        distributor.fire,
+        "started_user_eventstream", user
+    )
 
 
 def stopped_user_eventstream(distributor, user):
-    return distributor.fire("stopped_user_eventstream", user)
+    return preserve_context_over_fn(
+        distributor.fire,
+        "stopped_user_eventstream", user
+    )
 
 
 class EventStreamHandler(BaseHandler):
@@ -130,7 +137,7 @@ class EventStreamHandler(BaseHandler):
 
                 # Add some randomness to this value to try and mitigate against
                 # thundering herds on restart.
-                timeout = random.randint(int(timeout*0.9), int(timeout*1.1))
+                timeout = random.randint(int(timeout * 0.9), int(timeout * 1.1))
 
             events, tokens = yield self.notifier.get_events_for(
                 auth_user, pagin_config, timeout,

synapse/handlers/federation.py

@@ -221,19 +221,11 @@ class FederationHandler(BaseHandler):
                 extra_users.append(target_user)
 
             with PreserveLoggingContext():
-                d = self.notifier.on_new_room_event(
+                self.notifier.on_new_room_event(
                     event, event_stream_id, max_stream_id,
                     extra_users=extra_users
                 )
 
-            def log_failure(f):
-                logger.warn(
-                    "Failed to notify about %s: %s",
-                    event.event_id, f.value
-                )
-
-            d.addErrback(log_failure)
-
         if event.type == EventTypes.Member:
             if event.membership == Membership.JOIN:
                 prev_state = context.current_state.get((event.type, event.state_key))
@@ -244,12 +236,6 @@ class FederationHandler(BaseHandler):
                     user = UserID.from_string(event.state_key)
                     yield user_joined_room(self.distributor, user, event.room_id)
 
-        if not backfilled and not event.internal_metadata.is_outlier():
-            action_generator = ActionGenerator(self.hs)
-            yield action_generator.handle_push_actions_for_event(
-                event, self
-            )
-
     @defer.inlineCallbacks
     def _filter_events_for_server(self, server_name, room_id, events):
         event_to_state = yield self.store.get_state_for_events(
@@ -643,19 +629,11 @@ class FederationHandler(BaseHandler):
             )
 
             with PreserveLoggingContext():
-                d = self.notifier.on_new_room_event(
+                self.notifier.on_new_room_event(
                     event, event_stream_id, max_stream_id,
                     extra_users=[joinee]
                 )
 
-            def log_failure(f):
-                logger.warn(
-                    "Failed to notify about %s: %s",
-                    event.event_id, f.value
-                )
-
-            d.addErrback(log_failure)
-
             logger.debug("Finished joining %s to %s", joinee, room_id)
         finally:
             room_queue = self.room_queues[room_id]
@@ -730,18 +708,10 @@ class FederationHandler(BaseHandler):
             extra_users.append(target_user)
 
         with PreserveLoggingContext():
-            d = self.notifier.on_new_room_event(
+            self.notifier.on_new_room_event(
                 event, event_stream_id, max_stream_id, extra_users=extra_users
             )
 
-        def log_failure(f):
-            logger.warn(
-                "Failed to notify about %s: %s",
-                event.event_id, f.value
-            )
-
-        d.addErrback(log_failure)
-
         if event.type == EventTypes.Member:
             if event.content["membership"] == Membership.JOIN:
                 user = UserID.from_string(event.state_key)
@@ -811,19 +781,11 @@ class FederationHandler(BaseHandler):
 
         target_user = UserID.from_string(event.state_key)
         with PreserveLoggingContext():
-            d = self.notifier.on_new_room_event(
+            self.notifier.on_new_room_event(
                 event, event_stream_id, max_stream_id,
                 extra_users=[target_user],
             )
 
-        def log_failure(f):
-            logger.warn(
-                "Failed to notify about %s: %s",
-                event.event_id, f.value
-            )
-
-        d.addErrback(log_failure)
-
         defer.returnValue(event)
 
     @defer.inlineCallbacks
@@ -948,18 +910,10 @@ class FederationHandler(BaseHandler):
             extra_users.append(target_user)
 
         with PreserveLoggingContext():
-            d = self.notifier.on_new_room_event(
+            self.notifier.on_new_room_event(
                 event, event_stream_id, max_stream_id, extra_users=extra_users
             )
 
-        def log_failure(f):
-            logger.warn(
-                "Failed to notify about %s: %s",
-                event.event_id, f.value
-            )
-
-        d.addErrback(log_failure)
-
         new_pdu = event
 
         destinations = set()
@@ -1113,6 +1067,12 @@ class FederationHandler(BaseHandler):
             auth_events=auth_events,
         )
 
+        if not backfilled and not event.internal_metadata.is_outlier():
+            action_generator = ActionGenerator(self.hs)
+            yield action_generator.handle_push_actions_for_event(
+                event, context, self
+            )
+
         event_stream_id, max_stream_id = yield self.store.persist_event(
             event,
             context=context,

synapse/handlers/identity.py

@@ -36,14 +36,15 @@ class IdentityHandler(BaseHandler):
 
         self.http_client = hs.get_simple_http_client()
 
+        self.trusted_id_servers = set(hs.config.trusted_third_party_id_servers)
+        self.trust_any_id_server_just_for_testing_do_not_use = (
+            hs.config.use_insecure_ssl_client_just_for_testing_do_not_use
+        )
+
     @defer.inlineCallbacks
     def threepid_from_creds(self, creds):
         yield run_on_reactor()
 
-        # XXX: make this configurable!
-        # trustedIdServers = ['matrix.org', 'localhost:8090']
-        trustedIdServers = ['matrix.org', 'vector.im']
-
         if 'id_server' in creds:
             id_server = creds['id_server']
         elif 'idServer' in creds:
@@ -58,7 +59,16 @@ class IdentityHandler(BaseHandler):
         else:
             raise SynapseError(400, "No client_secret in creds")
 
-        if id_server not in trustedIdServers:
+        if id_server not in self.trusted_id_servers:
+            if self.trust_any_id_server_just_for_testing_do_not_use:
+                logger.warn(
+                    "Trusting untrustworthy ID server %r even though it isn't"
+                    " in the trusted id list for testing because"
+                    " 'use_insecure_ssl_client_just_for_testing_do_not_use'"
+                    " is set in the config",
+                    id_server,
+                )
+            else:
                 logger.warn('%s is not a trusted ID server: rejecting 3pid ' +
                             'credentials', id_server)
                 defer.returnValue(None)

synapse/handlers/presence.py

@@ -34,7 +34,7 @@ metrics = synapse.metrics.get_metrics_for(__name__)
 
 
 # Don't bother bumping "last active" time if it differs by less than 60 seconds
-LAST_ACTIVE_GRANULARITY = 60*1000
+LAST_ACTIVE_GRANULARITY = 60 * 1000
 
 # Keep no more than this number of offline serial revisions
 MAX_OFFLINE_SERIALS = 1000
@@ -378,9 +378,9 @@ class PresenceHandler(BaseHandler):
         was_polling = target_user in self._user_cachemap
 
         if now_online and not was_polling:
-            self.start_polling_presence(target_user, state=state)
+            yield self.start_polling_presence(target_user, state=state)
         elif not now_online and was_polling:
-            self.stop_polling_presence(target_user)
+            yield self.stop_polling_presence(target_user)
 
         # TODO(paul): perform a presence push as part of start/stop poll so
         #   we don't have to do this all the time
@@ -394,6 +394,7 @@ class PresenceHandler(BaseHandler):
         if now - prev_state.state.get("last_active", 0) < LAST_ACTIVE_GRANULARITY:
             return
 
+        with PreserveLoggingContext():
             self.changed_presencelike_data(user, {"last_active": now})
 
     def get_joined_rooms_for_user(self, user):
@@ -466,6 +467,7 @@ class PresenceHandler(BaseHandler):
                 local_user, room_ids=[room_id], add_to_cache=False
             )
 
+            with PreserveLoggingContext():
                 self.push_update_to_local_and_remote(
                     observed_user=local_user,
                     users_to_push=[user],
@@ -556,7 +558,7 @@ class PresenceHandler(BaseHandler):
             observer_user.localpart, observed_user.to_string()
         )
 
-        self.start_polling_presence(
+        yield self.start_polling_presence(
             observer_user, target_user=observed_user
         )
 

synapse/handlers/register.py

@@ -21,7 +21,6 @@ from synapse.api.errors import (
     AuthError, Codes, SynapseError, RegistrationError, InvalidCaptchaError
 )
 from ._base import BaseHandler
-import synapse.util.stringutils as stringutils
 from synapse.util.async import run_on_reactor
 from synapse.http.client import CaptchaServerHttpClient
 
@@ -45,6 +44,8 @@ class RegistrationHandler(BaseHandler):
         self.distributor.declare("registered_user")
         self.captcha_client = CaptchaServerHttpClient(hs)
 
+        self._next_generated_user_id = None
+
     @defer.inlineCallbacks
     def check_username(self, localpart, guest_access_token=None):
         yield run_on_reactor()
@@ -91,7 +92,7 @@ class RegistrationHandler(BaseHandler):
 
         Args:
             localpart : The local part of the user ID to register. If None,
-              one will be randomly generated.
+              one will be generated.
             password (str) : The password to assign to this user so they can
             login again. This can be None which means they cannot login again
             via a password (e.g. the user is an application service user).
@@ -108,6 +109,18 @@ class RegistrationHandler(BaseHandler):
         if localpart:
             yield self.check_username(localpart, guest_access_token=guest_access_token)
 
+            was_guest = guest_access_token is not None
+
+            if not was_guest:
+                try:
+                    int(localpart)
+                    raise RegistrationError(
+                        400,
+                        "Numeric user IDs are reserved for guest users."
+                    )
+                except ValueError:
+                    pass
+
             user = UserID(localpart, self.hs.hostname)
             user_id = user.to_string()
 
@@ -118,38 +131,36 @@ class RegistrationHandler(BaseHandler):
                 user_id=user_id,
                 token=token,
                 password_hash=password_hash,
-                was_guest=guest_access_token is not None,
+                was_guest=was_guest,
                 make_guest=make_guest,
             )
 
             yield registered_user(self.distributor, user)
         else:
-            # autogen a random user ID
+            # autogen a sequential user ID
             attempts = 0
-            user_id = None
             token = None
-            while not user_id:
+            user = None
-                try:
+            while not user:
-                    localpart = self._generate_user_id()
+                localpart = yield self._generate_user_id(attempts > 0)
                 user = UserID(localpart, self.hs.hostname)
                 user_id = user.to_string()
                 yield self.check_user_id_is_valid(user_id)
                 if generate_token:
                     token = self.auth_handler().generate_access_token(user_id)
+                try:
                     yield self.store.register(
                         user_id=user_id,
                         token=token,
-                        password_hash=password_hash)
+                        password_hash=password_hash,
-
+                        make_guest=make_guest
-                    yield registered_user(self.distributor, user)
+                    )
                 except SynapseError:
                     # if user id is taken, just generate another
                     user_id = None
                     token = None
                     attempts += 1
-                    if attempts > 5:
+            yield registered_user(self.distributor, user)
-                        raise RegistrationError(
-                            500, "Cannot generate user ID.")
 
         # We used to generate default identicons here, but nowadays
         # we want clients to generate their own as part of their branding
@@ -175,7 +186,7 @@ class RegistrationHandler(BaseHandler):
             token=token,
             password_hash=""
         )
-        registered_user(self.distributor, user)
+        yield registered_user(self.distributor, user)
         defer.returnValue((user_id, token))
 
     @defer.inlineCallbacks
@@ -281,8 +292,16 @@ class RegistrationHandler(BaseHandler):
                     errcode=Codes.EXCLUSIVE
                 )
 
-    def _generate_user_id(self):
+    @defer.inlineCallbacks
-        return "-" + stringutils.random_string(18)
+    def _generate_user_id(self, reseed=False):
+        if reseed or self._next_generated_user_id is None:
+            self._next_generated_user_id = (
+                yield self.store.find_next_generated_user_id_localpart()
+            )
+
+        id = self._next_generated_user_id
+        self._next_generated_user_id += 1
+        defer.returnValue(str(id))
 
     @defer.inlineCallbacks
     def _validate_captcha(self, ip_addr, private_key, challenge, response):

synapse/handlers/room.py

@@ -18,13 +18,14 @@ from twisted.internet import defer
 
 from ._base import BaseHandler
 
-from synapse.types import UserID, RoomAlias, RoomID
+from synapse.types import UserID, RoomAlias, RoomID, RoomStreamToken
 from synapse.api.constants import (
     EventTypes, Membership, JoinRules, RoomCreationPreset,
 )
 from synapse.api.errors import AuthError, StoreError, SynapseError, Codes
 from synapse.util import stringutils, unwrapFirstError
 from synapse.util.async import run_on_reactor
+from synapse.util.logcontext import preserve_context_over_fn
 
 from signedjson.sign import verify_signed_json
 from signedjson.key import decode_verify_key_bytes
@@ -46,11 +47,17 @@ def collect_presencelike_data(distributor, user, content):
 
 
 def user_left_room(distributor, user, room_id):
-    return distributor.fire("user_left_room", user=user, room_id=room_id)
+    return preserve_context_over_fn(
+        distributor.fire,
+        "user_left_room", user=user, room_id=room_id
+    )
 
 
 def user_joined_room(distributor, user, room_id):
-    return distributor.fire("user_joined_room", user=user, room_id=room_id)
+    return preserve_context_over_fn(
+        distributor.fire,
+        "user_joined_room", user=user, room_id=room_id
+    )
 
 
 class RoomCreationHandler(BaseHandler):
@@ -876,39 +883,71 @@ class RoomListHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def get_public_room_list(self):
-        chunk = yield self.store.get_rooms(is_public=True)
+        room_ids = yield self.store.get_public_room_ids()
-
-        room_members = yield defer.gatherResults(
-            [
-                self.store.get_users_in_room(room["room_id"])
-                for room in chunk
-            ],
-            consumeErrors=True,
-        ).addErrback(unwrapFirstError)
-
-        avatar_urls = yield defer.gatherResults(
-            [
-                self.get_room_avatar_url(room["room_id"])
-                for room in chunk
-            ],
-            consumeErrors=True,
-        ).addErrback(unwrapFirstError)
-
-        for i, room in enumerate(chunk):
-            room["num_joined_members"] = len(room_members[i])
-            if avatar_urls[i]:
-                room["avatar_url"] = avatar_urls[i]
-
-        # FIXME (erikj): START is no longer a valid value
-        defer.returnValue({"start": "START", "end": "END", "chunk": chunk})
 
         @defer.inlineCallbacks
-    def get_room_avatar_url(self, room_id):
+        def handle_room(room_id):
-        event = yield self.hs.get_state_handler().get_current_state(
+            aliases = yield self.store.get_aliases_for_room(room_id)
-            room_id, "m.room.avatar"
+            if not aliases:
+                defer.returnValue(None)
+
+            state = yield self.state_handler.get_current_state(room_id)
+
+            result = {"aliases": aliases, "room_id": room_id}
+
+            name_event = state.get((EventTypes.Name, ""), None)
+            if name_event:
+                name = name_event.content.get("name", None)
+                if name:
+                    result["name"] = name
+
+            topic_event = state.get((EventTypes.Topic, ""), None)
+            if topic_event:
+                topic = topic_event.content.get("topic", None)
+                if topic:
+                    result["topic"] = topic
+
+            canonical_event = state.get((EventTypes.CanonicalAlias, ""), None)
+            if canonical_event:
+                canonical_alias = canonical_event.content.get("alias", None)
+                if canonical_alias:
+                    result["canonical_alias"] = canonical_alias
+
+            visibility_event = state.get((EventTypes.RoomHistoryVisibility, ""), None)
+            visibility = None
+            if visibility_event:
+                visibility = visibility_event.content.get("history_visibility", None)
+            result["world_readable"] = visibility == "world_readable"
+
+            guest_event = state.get((EventTypes.GuestAccess, ""), None)
+            guest = None
+            if guest_event:
+                guest = guest_event.content.get("guest_access", None)
+            result["guest_can_join"] = guest == "can_join"
+
+            avatar_event = state.get(("m.room.avatar", ""), None)
+            if avatar_event:
+                avatar_url = avatar_event.content.get("url", None)
+                if avatar_url:
+                    result["avatar_url"] = avatar_url
+
+            result["num_joined_members"] = sum(
+                1 for (event_type, _), ev in state.items()
+                if event_type == EventTypes.Member and ev.membership == Membership.JOIN
             )
-        if event and "url" in event.content:
+
-            defer.returnValue(event.content["url"])
+            defer.returnValue(result)
+
+        result = []
+        for chunk in (room_ids[i:i + 10] for i in xrange(0, len(room_ids), 10)):
+            chunk_result = yield defer.gatherResults([
+                handle_room(room_id)
+                for room_id in chunk
+            ], consumeErrors=True).addErrback(unwrapFirstError)
+            result.extend(v for v in chunk_result if v)
+
+        # FIXME (erikj): START is no longer a valid value
+        defer.returnValue({"start": "START", "end": "END", "chunk": result})
 
 
 class RoomContextHandler(BaseHandler):
@@ -927,7 +966,7 @@ class RoomContextHandler(BaseHandler):
         Returns:
             dict, or None if the event isn't found
         """
-        before_limit = math.floor(limit/2.)
+        before_limit = math.floor(limit / 2.)
         after_limit = limit - before_limit
 
         now_token = yield self.hs.get_event_sources().get_current_token()
@@ -997,6 +1036,11 @@ class RoomEventSource(object):
 
         to_key = yield self.get_current_key()
 
+        from_token = RoomStreamToken.parse(from_key)
+        if from_token.topological:
+            logger.warn("Stream has topological part!!!! %r", from_key)
+            from_key = "s%s" % (from_token.stream,)
+
         app_service = yield self.store.get_app_service_by_user_id(
             user.to_string()
         )
@@ -1008,15 +1052,30 @@ class RoomEventSource(object):
                 limit=limit,
             )
         else:
-            events, end_key = yield self.store.get_room_events_stream(
+            room_events = yield self.store.get_membership_changes_for_user(
-                user_id=user.to_string(),
+                user.to_string(), from_key, to_key
+            )
+
+            room_to_events = yield self.store.get_room_events_stream_for_rooms(
+                room_ids=room_ids,
                 from_key=from_key,
                 to_key=to_key,
-                limit=limit,
+                limit=limit or 10,
-                room_ids=room_ids,
-                is_guest=is_guest,
             )
 
+            events = list(room_events)
+            events.extend(e for evs, _ in room_to_events.values() for e in evs)
+
+            events.sort(key=lambda e: e.internal_metadata.order)
+
+            if limit:
+                events[:] = events[:limit]
+
+            if events:
+                end_key = events[-1].internal_metadata.after
+            else:
+                end_key = to_key
+
         defer.returnValue((events, end_key))
 
     def get_current_key(self, direction='f'):

synapse/handlers/sync.py

@@ -18,11 +18,14 @@ from ._base import BaseHandler
 from synapse.streams.config import PaginationConfig
 from synapse.api.constants import Membership, EventTypes
 from synapse.util import unwrapFirstError
+from synapse.util.logcontext import LoggingContext, preserve_fn
+from synapse.util.metrics import Measure
 
 from twisted.internet import defer
 
 import collections
 import logging
+import itertools
 
 logger = logging.getLogger(__name__)
 
@@ -139,6 +142,15 @@ class SyncHandler(BaseHandler):
             A Deferred SyncResult.
         """
 
+        context = LoggingContext.current_context()
+        if context:
+            if since_token is None:
+                context.tag = "initial_sync"
+            elif full_state:
+                context.tag = "full_state_sync"
+            else:
+                context.tag = "incremental_sync"
+
         if timeout == 0 or since_token is None or full_state:
             # we are going to return immediately, so don't bother calling
             # notifier.wait_for_events.
@@ -167,18 +179,6 @@ class SyncHandler(BaseHandler):
         else:
             return self.incremental_sync_with_gap(sync_config, since_token)
 
-    def last_read_event_id_for_room_and_user(self, room_id, user_id, ephemeral_by_room):
-        if room_id not in ephemeral_by_room:
-            return None
-        for e in ephemeral_by_room[room_id]:
-            if e['type'] != 'm.receipt':
-                continue
-            for receipt_event_id, val in e['content'].items():
-                if 'm.read' in val:
-                    if user_id in val['m.read']:
-                        return receipt_event_id
-        return None
-
     @defer.inlineCallbacks
     def full_state_sync(self, sync_config, timeline_since_token):
         """Get a sync for a client which is starting without any state.
@@ -228,9 +228,14 @@ class SyncHandler(BaseHandler):
         invited = []
         archived = []
         deferreds = []
-        for event in room_list:
+
+        room_list_chunks = [room_list[i:i + 10] for i in xrange(0, len(room_list), 10)]
+        for room_list_chunk in room_list_chunks:
+            for event in room_list_chunk:
                 if event.membership == Membership.JOIN:
-                room_sync_deferred = self.full_state_sync_for_joined_room(
+                    room_sync_deferred = preserve_fn(
+                        self.full_state_sync_for_joined_room
+                    )(
                         room_id=event.room_id,
                         sync_config=sync_config,
                         now_token=now_token,
@@ -251,7 +256,9 @@ class SyncHandler(BaseHandler):
                     leave_token = now_token.copy_and_replace(
                         "room_key", "s%d" % (event.stream_ordering,)
                     )
-                room_sync_deferred = self.full_state_sync_for_archived_room(
+                    room_sync_deferred = preserve_fn(
+                        self.full_state_sync_for_archived_room
+                    )(
                         sync_config=sync_config,
                         room_id=event.room_id,
                         leave_event_id=event.event_id,
@@ -305,7 +312,6 @@ class SyncHandler(BaseHandler):
             ephemeral_by_room=ephemeral_by_room,
             tags_by_room=tags_by_room,
             account_data_by_room=account_data_by_room,
-            all_ephemeral_by_room=ephemeral_by_room,
             batch=batch,
             full_state=True,
         )
@@ -355,6 +361,7 @@ class SyncHandler(BaseHandler):
             typing events for that room.
         """
 
+        with Measure(self.clock, "ephemeral_by_room"):
             typing_key = since_token.typing_key if since_token else "0"
 
             rooms = yield self.store.get_rooms_for_user(sync_config.user.to_string())
@@ -438,13 +445,6 @@ class SyncHandler(BaseHandler):
         )
         now_token = now_token.copy_and_replace("presence_key", presence_key)
 
-        # We now fetch all ephemeral events for this room in order to get
-        # this users current read receipt. This could almost certainly be
-        # optimised.
-        _, all_ephemeral_by_room = yield self.ephemeral_by_room(
-            sync_config, now_token
-        )
-
         now_token, ephemeral_by_room = yield self.ephemeral_by_room(
             sync_config, now_token, since_token
         )
@@ -478,7 +478,7 @@ class SyncHandler(BaseHandler):
         )
 
         # Get a list of membership change events that have happened.
-        rooms_changed = yield self.store.get_room_changes_for_user(
+        rooms_changed = yield self.store.get_membership_changes_for_user(
             user_id, since_token.room_key, now_token.room_key
         )
 
@@ -576,7 +576,6 @@ class SyncHandler(BaseHandler):
                 ephemeral_by_room=ephemeral_by_room,
                 tags_by_room=tags_by_room,
                 account_data_by_room=account_data_by_room,
-                all_ephemeral_by_room=all_ephemeral_by_room,
                 batch=batch,
                 full_state=full_state,
             )
@@ -606,6 +605,7 @@ class SyncHandler(BaseHandler):
         """
         :returns a Deferred TimelineBatch
         """
+        with Measure(self.clock, "load_filtered_recents"):
             filtering_factor = 2
             timeline_limit = sync_config.filter_collection.timeline_limit()
             load_limit = max(timeline_limit * filtering_factor, 10)
@@ -613,7 +613,10 @@ class SyncHandler(BaseHandler):
             room_key = now_token.room_key
             end_key = room_key
 
-        limited = recents is None or newly_joined_room or timeline_limit < len(recents)
+            if recents is None or newly_joined_room or timeline_limit < len(recents):
+                limited = True
+            else:
+                limited = False
 
             if recents is not None:
                 recents = sync_config.filter_collection.filter_room_timeline(recents)
@@ -636,7 +639,9 @@ class SyncHandler(BaseHandler):
                     from_key=since_key,
                     to_key=end_key,
                 )
-            loaded_recents = sync_config.filter_collection.filter_room_timeline(events)
+                loaded_recents = sync_config.filter_collection.filter_room_timeline(
+                    events
+                )
                 loaded_recents = yield self._filter_events_for_client(
                     sync_config.user.to_string(),
                     loaded_recents,
@@ -670,37 +675,11 @@ class SyncHandler(BaseHandler):
                                            since_token, now_token,
                                            ephemeral_by_room, tags_by_room,
                                            account_data_by_room,
-                                           all_ephemeral_by_room,
                                            batch, full_state=False):
-        if full_state:
-            state = yield self.get_state_at(room_id, now_token)
-
-        elif batch.limited:
-            current_state = yield self.get_state_at(room_id, now_token)
-
-            state_at_previous_sync = yield self.get_state_at(
-                room_id, stream_position=since_token
-            )
-
         state = yield self.compute_state_delta(
-                since_token=since_token,
+            room_id, batch, sync_config, since_token, now_token,
-                previous_state=state_at_previous_sync,
+            full_state=full_state
-                current_state=current_state,
         )
-        else:
-            state = {
-                (event.type, event.state_key): event
-                for event in batch.events if event.is_state()
-            }
-
-        just_joined = yield self.check_joined_room(sync_config, state)
-        if just_joined:
-            state = yield self.get_state_at(room_id, now_token)
-
-        state = {
-            (e.type, e.state_key): e
-            for e in sync_config.filter_collection.filter_room_state(state.values())
-        }
 
         account_data = self.account_data_for_room(
             room_id, tags_by_room, account_data_by_room
@@ -726,14 +705,12 @@ class SyncHandler(BaseHandler):
 
         if room_sync:
             notifs = yield self.unread_notifs_for_room_id(
-                room_id, sync_config, all_ephemeral_by_room
+                room_id, sync_config
             )
 
             if notifs is not None:
-                unread_notifications["notification_count"] = len(notifs)
+                unread_notifications["notification_count"] = notifs["notify_count"]
-                unread_notifications["highlight_count"] = len([
+                unread_notifications["highlight_count"] = notifs["highlight_count"]
-                    1 for notif in notifs if _action_has_highlight(notif["actions"])
-                ])
 
         logger.debug("Room sync: %r", room_sync)
 
@@ -766,29 +743,10 @@ class SyncHandler(BaseHandler):
 
         logger.debug("Recents %r", batch)
 
-        state_events_at_leave = yield self.store.get_state_for_event(
-            leave_event_id
-        )
-
-        if not full_state:
-            state_at_previous_sync = yield self.get_state_at(
-                room_id, stream_position=since_token
-            )
-
         state_events_delta = yield self.compute_state_delta(
-                since_token=since_token,
+            room_id, batch, sync_config, since_token, leave_token,
-                previous_state=state_at_previous_sync,
+            full_state=full_state
-                current_state=state_events_at_leave,
         )
-        else:
-            state_events_delta = state_events_at_leave
-
-        state_events_delta = {
-            (e.type, e.state_key): e
-            for e in sync_config.filter_collection.filter_room_state(
-                state_events_delta.values()
-            )
-        }
 
         account_data = self.account_data_for_room(
             room_id, tags_by_room, account_data_by_room
@@ -843,15 +801,19 @@ class SyncHandler(BaseHandler):
             state = {}
         defer.returnValue(state)
 
-    def compute_state_delta(self, since_token, previous_state, current_state):
+    @defer.inlineCallbacks
-        """ Works out the differnce in state between the current state and the
+    def compute_state_delta(self, room_id, batch, sync_config, since_token, now_token,
-        state the client got when it last performed a sync.
+                            full_state):
+        """ Works out the differnce in state between the start of the timeline
+        and the previous sync.
 
-        :param str since_token: the point we are comparing against
+        :param str room_id
-        :param dict[(str,str), synapse.events.FrozenEvent] previous_state: the
+        :param TimelineBatch batch: The timeline batch for the room that will
-            state to compare to
+            be sent to the user.
-        :param dict[(str,str), synapse.events.FrozenEvent] current_state: the
+        :param sync_config
-            new state
+        :param str since_token: Token of the end of the previous batch. May be None.
+        :param str now_token: Token of the end of the current batch.
+        :param bool full_state: Whether to force returning the full state.
 
         :returns A new event dictionary
         """
@@ -860,12 +822,53 @@ class SyncHandler(BaseHandler):
         # updates even if they occured logically before the previous event.
         # TODO(mjark) Check for new redactions in the state events.
 
-        state_delta = {}
+        with Measure(self.clock, "compute_state_delta"):
-        for key, event in current_state.iteritems():
+            if full_state:
-            if (key not in previous_state or
+                if batch:
-                    previous_state[key].event_id != event.event_id):
+                    state = yield self.store.get_state_for_event(
-                state_delta[key] = event
+                        batch.events[0].event_id
-        return state_delta
+                    )
+                else:
+                    state = yield self.get_state_at(
+                        room_id, stream_position=now_token
+                    )
+
+                timeline_state = {
+                    (event.type, event.state_key): event
+                    for event in batch.events if event.is_state()
+                }
+
+                state = _calculate_state(
+                    timeline_contains=timeline_state,
+                    timeline_start=state,
+                    previous={},
+                )
+            elif batch.limited:
+                state_at_previous_sync = yield self.get_state_at(
+                    room_id, stream_position=since_token
+                )
+
+                state_at_timeline_start = yield self.store.get_state_for_event(
+                    batch.events[0].event_id
+                )
+
+                timeline_state = {
+                    (event.type, event.state_key): event
+                    for event in batch.events if event.is_state()
+                }
+
+                state = _calculate_state(
+                    timeline_contains=timeline_state,
+                    timeline_start=state_at_timeline_start,
+                    previous=state_at_previous_sync,
+                )
+            else:
+                state = {}
+
+            defer.returnValue({
+                (e.type, e.state_key): e
+                for e in sync_config.filter_collection.filter_room_state(state.values())
+            })
 
     def check_joined_room(self, sync_config, state_delta):
         """
@@ -886,9 +889,12 @@ class SyncHandler(BaseHandler):
         return False
 
     @defer.inlineCallbacks
-    def unread_notifs_for_room_id(self, room_id, sync_config, ephemeral_by_room):
+    def unread_notifs_for_room_id(self, room_id, sync_config):
-        last_unread_event_id = self.last_read_event_id_for_room_and_user(
+        with Measure(self.clock, "unread_notifs_for_room_id"):
-            room_id, sync_config.user.to_string(), ephemeral_by_room
+            last_unread_event_id = yield self.store.get_last_receipt_event_id_for_user(
+                user_id=sync_config.user.to_string(),
+                room_id=room_id,
+                receipt_type="m.read"
             )
 
             notifs = []
@@ -912,3 +918,37 @@ def _action_has_highlight(actions):
             pass
 
     return False
+
+
+def _calculate_state(timeline_contains, timeline_start, previous):
+    """Works out what state to include in a sync response.
+
+    Args:
+        timeline_contains (dict): state in the timeline
+        timeline_start (dict): state at the start of the timeline
+        previous (dict): state at the end of the previous sync (or empty dict
+            if this is an initial sync)
+
+    Returns:
+        dict
+    """
+    event_id_to_state = {
+        e.event_id: e
+        for e in itertools.chain(
+            timeline_contains.values(),
+            previous.values(),
+            timeline_start.values(),
+        )
+    }
+
+    tc_ids = set(e.event_id for e in timeline_contains.values())
+    p_ids = set(e.event_id for e in previous.values())
+    ts_ids = set(e.event_id for e in timeline_start.values())
+
+    state_ids = (ts_ids - p_ids) - tc_ids
+
+    evs = (event_id_to_state[e] for e in state_ids)
+    return {
+        (e.type, e.state_key): e
+        for e in evs
+    }

synapse/handlers/typing.py

@@ -19,6 +19,7 @@ from ._base import BaseHandler
 
 from synapse.api.errors import SynapseError, AuthError
 from synapse.util.logcontext import PreserveLoggingContext
+from synapse.util.metrics import Measure
 from synapse.types import UserID
 
 import logging
@@ -222,6 +223,7 @@ class TypingNotificationHandler(BaseHandler):
 class TypingNotificationEventSource(object):
     def __init__(self, hs):
         self.hs = hs
+        self.clock = hs.get_clock()
         self._handler = None
         self._room_member_handler = None
 
@@ -247,6 +249,7 @@ class TypingNotificationEventSource(object):
         }
 
     def get_new_events(self, from_key, room_ids, **kwargs):
+        with Measure(self.clock, "typing.get_new_events"):
             from_key = int(from_key)
             handler = self.handler()
 

synapse/http/matrixfederationclient.py

@@ -152,7 +152,7 @@ class MatrixFederationHttpClient(object):
 
                         return self.clock.time_bound_deferred(
                             request_deferred,
-                            time_out=timeout/1000. if timeout else 60,
+                            time_out=timeout / 1000. if timeout else 60,
                         )
 
                     response = yield preserve_context_over_fn(

synapse/http/server.py

@@ -41,7 +41,7 @@ metrics = synapse.metrics.get_metrics_for(__name__)
 
 incoming_requests_counter = metrics.register_counter(
     "requests",
-    labels=["method", "servlet"],
+    labels=["method", "servlet", "tag"],
 )
 outgoing_responses_counter = metrics.register_counter(
     "responses",
@@ -50,23 +50,23 @@ outgoing_responses_counter = metrics.register_counter(
 
 response_timer = metrics.register_distribution(
     "response_time",
-    labels=["method", "servlet"]
+    labels=["method", "servlet", "tag"]
 )
 
 response_ru_utime = metrics.register_distribution(
-    "response_ru_utime", labels=["method", "servlet"]
+    "response_ru_utime", labels=["method", "servlet", "tag"]
 )
 
 response_ru_stime = metrics.register_distribution(
-    "response_ru_stime", labels=["method", "servlet"]
+    "response_ru_stime", labels=["method", "servlet", "tag"]
 )
 
 response_db_txn_count = metrics.register_distribution(
-    "response_db_txn_count", labels=["method", "servlet"]
+    "response_db_txn_count", labels=["method", "servlet", "tag"]
 )
 
 response_db_txn_duration = metrics.register_distribution(
-    "response_db_txn_duration", labels=["method", "servlet"]
+    "response_db_txn_duration", labels=["method", "servlet", "tag"]
 )
 
 
@@ -99,9 +99,8 @@ def request_handler(request_handler):
             request_context.request = request_id
             with request.processing():
                 try:
-                    d = request_handler(self, request)
+                    with PreserveLoggingContext(request_context):
-                    with PreserveLoggingContext():
+                        yield request_handler(self, request)
-                        yield d
                 except CodeMessageException as e:
                     code = e.code
                     if isinstance(e, SynapseError):
@@ -208,6 +207,9 @@ class JsonResource(HttpServer, resource.Resource):
         if request.method == "OPTIONS":
             self._send_response(request, 200, {})
             return
+
+        start_context = LoggingContext.current_context()
+
         # Loop through all the registered callbacks to check if the method
         # and path regex match
         for path_entry in self.path_regexs.get(request.method, []):
@@ -226,7 +228,6 @@ class JsonResource(HttpServer, resource.Resource):
                 servlet_classname = servlet_instance.__class__.__name__
             else:
                 servlet_classname = "%r" % callback
-            incoming_requests_counter.inc(request.method, servlet_classname)
 
             args = [
                 urllib.unquote(u).decode("UTF-8") if u else u for u in m.groups()
@@ -237,21 +238,40 @@ class JsonResource(HttpServer, resource.Resource):
                 code, response = callback_return
                 self._send_response(request, code, response)
 
-            response_timer.inc_by(
-                self.clock.time_msec() - start, request.method, servlet_classname
-            )
-
             try:
                 context = LoggingContext.current_context()
+
+                tag = ""
+                if context:
+                    tag = context.tag
+
+                    if context != start_context:
+                        logger.warn(
+                            "Context have unexpectedly changed %r, %r",
+                            context, self.start_context
+                        )
+                        return
+
+                incoming_requests_counter.inc(request.method, servlet_classname, tag)
+
+                response_timer.inc_by(
+                    self.clock.time_msec() - start, request.method,
+                    servlet_classname, tag
+                )
+
                 ru_utime, ru_stime = context.get_resource_usage()
 
-                response_ru_utime.inc_by(ru_utime, request.method, servlet_classname)
+                response_ru_utime.inc_by(
-                response_ru_stime.inc_by(ru_stime, request.method, servlet_classname)
+                    ru_utime, request.method, servlet_classname, tag
+                )
+                response_ru_stime.inc_by(
+                    ru_stime, request.method, servlet_classname, tag
+                )
                 response_db_txn_count.inc_by(
-                    context.db_txn_count, request.method, servlet_classname
+                    context.db_txn_count, request.method, servlet_classname, tag
                 )
                 response_db_txn_duration.inc_by(
-                    context.db_txn_duration, request.method, servlet_classname
+                    context.db_txn_duration, request.method, servlet_classname, tag
                 )
             except:
                 pass

synapse/notifier.py

@@ -18,10 +18,13 @@ from synapse.api.constants import EventTypes
 from synapse.api.errors import AuthError
 
 from synapse.util.logutils import log_function
-from synapse.util.async import run_on_reactor, ObservableDeferred
+from synapse.util.async import ObservableDeferred
+from synapse.util.logcontext import PreserveLoggingContext
 from synapse.types import StreamToken
 import synapse.metrics
 
+from collections import namedtuple
+
 import logging
 
 
@@ -71,6 +74,7 @@ class _NotifierUserStream(object):
         self.current_token = current_token
         self.last_notified_ms = time_now_ms
 
+        with PreserveLoggingContext():
             self.notify_deferred = ObservableDeferred(defer.Deferred())
 
     def notify(self, stream_key, stream_id, time_now_ms):
@@ -86,6 +90,8 @@ class _NotifierUserStream(object):
         )
         self.last_notified_ms = time_now_ms
         noify_deferred = self.notify_deferred
+
+        with PreserveLoggingContext():
             self.notify_deferred = ObservableDeferred(defer.Deferred())
             noify_deferred.callback(self.current_token)
 
@@ -118,6 +124,11 @@ class _NotifierUserStream(object):
             return _NotificationListener(self.notify_deferred.observe())
 
 
+class EventStreamResult(namedtuple("EventStreamResult", ("events", "tokens"))):
+    def __nonzero__(self):
+        return bool(self.events)
+
+
 class Notifier(object):
     """ This class is responsible for notifying any listeners when there are
     new events available for it.
@@ -177,8 +188,6 @@ class Notifier(object):
             lambda: count(bool, self.appservice_to_user_streams.values()),
         )
 
-    @log_function
-    @defer.inlineCallbacks
     def on_new_room_event(self, event, room_stream_id, max_room_stream_id,
                           extra_users=[]):
         """ Used by handlers to inform the notifier something has happened
@@ -192,8 +201,7 @@ class Notifier(object):
         until all previous events have been persisted before notifying
         the client streams.
         """
-        yield run_on_reactor()
+        with PreserveLoggingContext():
-
             self.pending_new_room_events.append((
                 room_stream_id, event, extra_users
             ))
@@ -244,15 +252,13 @@ class Notifier(object):
             extra_streams=app_streams,
         )
 
-    @defer.inlineCallbacks
-    @log_function
     def on_new_event(self, stream_key, new_token, users=[], rooms=[],
                      extra_streams=set()):
         """ Used to inform listeners that something has happend event wise.
 
         Will wake up all listeners for the given users and rooms.
         """
-        yield run_on_reactor()
+        with PreserveLoggingContext():
             user_streams = set()
 
             for user in users:
@@ -301,7 +307,7 @@ class Notifier(object):
             def timed_out():
                 if listener:
                     listener.deferred.cancel()
-            timer = self.clock.call_later(timeout/1000., timed_out)
+            timer = self.clock.call_later(timeout / 1000., timed_out)
 
             prev_token = from_token
             while not result:
@@ -318,6 +324,7 @@ class Notifier(object):
                     # that we don't miss any current_token updates.
                     prev_token = current_token
                     listener = user_stream.new_listener(prev_token)
+                    with PreserveLoggingContext():
                         yield listener.deferred
                 except defer.CancelledError:
                     break
@@ -356,7 +363,7 @@ class Notifier(object):
         @defer.inlineCallbacks
         def check_for_updates(before_token, after_token):
             if not after_token.is_after(before_token):
-                defer.returnValue(None)
+                defer.returnValue(EventStreamResult([], (from_token, from_token)))
 
             events = []
             end_token = from_token
@@ -369,6 +376,7 @@ class Notifier(object):
                     continue
                 if only_keys and name not in only_keys:
                     continue
+
                 new_events, new_key = yield source.get_new_events(
                     user=user,
                     from_key=getattr(from_token, keyname),
@@ -388,10 +396,7 @@ class Notifier(object):
                 events.extend(new_events)
                 end_token = end_token.copy_and_replace(keyname, new_key)
 
-            if events:
+            defer.returnValue(EventStreamResult(events, (from_token, end_token)))
-                defer.returnValue((events, (from_token, end_token)))
-            else:
-                defer.returnValue(None)
 
         user_id_for_stream = user.to_string()
         if is_peeking:
@@ -415,9 +420,6 @@ class Notifier(object):
             from_token=from_token,
         )
 
-        if result is None:
-            result = ([], (from_token, from_token))
-
         defer.returnValue(result)
 
     @defer.inlineCallbacks

synapse/push/__init__.py

@@ -17,6 +17,8 @@ from twisted.internet import defer
 
 from synapse.streams.config import PaginationConfig
 from synapse.types import StreamToken
+from synapse.util.logcontext import LoggingContext
+from synapse.util.metrics import Measure
 
 import synapse.util.async
 import push_rule_evaluator as push_rule_evaluator
@@ -27,6 +29,16 @@ import random
 logger = logging.getLogger(__name__)
 
 
+_NEXT_ID = 1
+
+
+def _get_next_id():
+    global _NEXT_ID
+    _id = _NEXT_ID
+    _NEXT_ID += 1
+    return _id
+
+
 # Pushers could now be moved to pull out of the event_push_actions table instead
 # of listening on the event stream: this would avoid them having to run the
 # rules again.
@@ -57,6 +69,8 @@ class Pusher(object):
         self.alive = True
         self.badge = None
 
+        self.name = "Pusher-%d" % (_get_next_id(),)
+
         # The last value of last_active_time that we saw
         self.last_last_active_time = 0
         self.has_unread = True
@@ -86,6 +100,7 @@ class Pusher(object):
 
     @defer.inlineCallbacks
     def start(self):
+        with LoggingContext(self.name):
             if not self.last_token:
                 # First-time setup: get a token to start from (we can't
                 # just start from no token, ie. 'now'
@@ -96,17 +111,24 @@ class Pusher(object):
                     self.user_id, config, timeout=0, affect_presence=False
                 )
                 self.last_token = chunk['end']
-            self.store.update_pusher_last_token(
+                yield self.store.update_pusher_last_token(
                     self.app_id, self.pushkey, self.user_id, self.last_token
                 )
-            logger.info("Pusher %s for user %s starting from token %s",
+                logger.info("New pusher %s for user %s starting from token %s",
                             self.pushkey, self.user_id, self.last_token)
 
+            else:
+                logger.info(
+                    "Old pusher %s for user %s starting",
+                    self.pushkey, self.user_id,
+                )
+
             wait = 0
             while self.alive:
                 try:
                     if wait > 0:
                         yield synapse.util.async.sleep(wait)
+                    with Measure(self.clock, "push"):
                         yield self.get_and_dispatch()
                     wait = 0
                 except:
@@ -316,7 +338,7 @@ class Pusher(object):
                         r.room_id, self.user_id, last_unread_event_id
                     )
                 )
-                badge += len(notifs)
+                badge += notifs["notify_count"]
         defer.returnValue(badge)
 
 

synapse/push/action_generator.py

@@ -19,8 +19,6 @@ import bulk_push_rule_evaluator
 
 import logging
 
-from synapse.api.constants import EventTypes
-
 logger = logging.getLogger(__name__)
 
 
@@ -36,21 +34,15 @@ class ActionGenerator:
         # tag (ie. we just need all the users).
 
     @defer.inlineCallbacks
-    def handle_push_actions_for_event(self, event, handler):
+    def handle_push_actions_for_event(self, event, context, handler):
-        if event.type == EventTypes.Redaction and event.redacts is not None:
-            yield self.store.remove_push_actions_for_event_id(
-                event.room_id, event.redacts
-            )
-
         bulk_evaluator = yield bulk_push_rule_evaluator.evaluator_for_room_id(
             event.room_id, self.hs, self.store
         )
 
-        actions_by_user = yield bulk_evaluator.action_for_event_by_user(event, handler)
+        actions_by_user = yield bulk_evaluator.action_for_event_by_user(
+            event, handler, context.current_state
+        )
 
-        yield self.store.set_push_actions_for_event_and_users(
+        context.push_actions = [
-            event,
-            [
             (uid, None, actions) for uid, actions in actions_by_user.items()
         ]
-        )

synapse/push/bulk_push_rule_evaluator.py

@@ -98,25 +98,21 @@ class BulkPushRuleEvaluator:
         self.store = store
 
     @defer.inlineCallbacks
-    def action_for_event_by_user(self, event, handler):
+    def action_for_event_by_user(self, event, handler, current_state):
         actions_by_user = {}
 
         users_dict = yield self.store.are_guests(self.rules_by_user.keys())
 
         filtered_by_user = yield handler._filter_events_for_clients(
-            users_dict.items(), [event]
+            users_dict.items(), [event], {event.event_id: current_state}
         )
 
         evaluator = PushRuleEvaluatorForEvent(event, len(self.users_in_room))
 
         condition_cache = {}
 
-        member_state = yield self.store.get_state_for_event(
-            event.event_id,
-        )
-
         display_names = {}
-        for ev in member_state.values():
+        for ev in current_state.values():
             nm = ev.content.get("displayname", None)
             if nm and ev.type == EventTypes.Member:
                 display_names[ev.state_key] = nm

synapse/push/push_rule_evaluator.py

@@ -304,7 +304,7 @@ def _flatten_dict(d, prefix=[], result={}):
         if isinstance(value, basestring):
             result[".".join(prefix + [key])] = value.lower()
         elif hasattr(value, "items"):
-            _flatten_dict(value, prefix=(prefix+[key]), result=result)
+            _flatten_dict(value, prefix=(prefix + [key]), result=result)
 
     return result
 

synapse/push/pusherpool.py

@@ -18,6 +18,7 @@ from twisted.internet import defer
 
 from httppusher import HttpPusher
 from synapse.push import PusherConfigException
+from synapse.util.logcontext import preserve_fn
 
 import logging
 
@@ -76,7 +77,7 @@ class PusherPool:
                     "Removing pusher for app id %s, pushkey %s, user %s",
                     app_id, pushkey, p['user_name']
                 )
-                self.remove_pusher(p['app_id'], p['pushkey'], p['user_name'])
+                yield self.remove_pusher(p['app_id'], p['pushkey'], p['user_name'])
 
     @defer.inlineCallbacks
     def remove_pushers_by_user(self, user_id):
@@ -91,7 +92,7 @@ class PusherPool:
                     "Removing pusher for app id %s, pushkey %s, user %s",
                     p['app_id'], p['pushkey'], p['user_name']
                 )
-                self.remove_pusher(p['app_id'], p['pushkey'], p['user_name'])
+                yield self.remove_pusher(p['app_id'], p['pushkey'], p['user_name'])
 
     @defer.inlineCallbacks
     def _add_pusher_to_store(self, user_id, access_token, profile_tag, kind,
@@ -110,7 +111,7 @@ class PusherPool:
             lang=lang,
             data=data,
         )
-        self._refresh_pusher(app_id, pushkey, user_id)
+        yield self._refresh_pusher(app_id, pushkey, user_id)
 
     def _create_pusher(self, pusherdict):
         if pusherdict['kind'] == 'http':
@@ -166,7 +167,7 @@ class PusherPool:
                 if fullid in self.pushers:
                     self.pushers[fullid].stop()
                 self.pushers[fullid] = p
-                p.start()
+                preserve_fn(p.start)()
 
         logger.info("Started pushers")
 

synapse/rest/client/v1/login.py

@@ -89,7 +89,7 @@ class LoginRestServlet(ClientV1RestServlet):
                                          LoginRestServlet.SAML2_TYPE):
                 relay_state = ""
                 if "relay_state" in login_submission:
-                    relay_state = "&RelayState="+urllib.quote(
+                    relay_state = "&RelayState=" + urllib.quote(
                                   login_submission["relay_state"])
                 result = {
                     "uri": "%s%s" % (self.idp_redirect_url, relay_state)

synapse/rest/client/v1/profile.py

@@ -33,7 +33,11 @@ class ProfileDisplaynameRestServlet(ClientV1RestServlet):
             user,
         )
 
-        defer.returnValue((200, {"displayname": displayname}))
+        ret = {}
+        if displayname is not None:
+            ret["displayname"] = displayname
+
+        defer.returnValue((200, ret))
 
     @defer.inlineCallbacks
     def on_PUT(self, request, user_id):
@@ -66,7 +70,11 @@ class ProfileAvatarURLRestServlet(ClientV1RestServlet):
             user,
         )
 
-        defer.returnValue((200, {"avatar_url": avatar_url}))
+        ret = {}
+        if avatar_url is not None:
+            ret["avatar_url"] = avatar_url
+
+        defer.returnValue((200, ret))
 
     @defer.inlineCallbacks
     def on_PUT(self, request, user_id):
@@ -102,10 +110,13 @@ class ProfileRestServlet(ClientV1RestServlet):
             user,
         )
 
-        defer.returnValue((200, {
+        ret = {}
-            "displayname": displayname,
+        if displayname is not None:
-            "avatar_url": avatar_url
+            ret["displayname"] = displayname
-        }))
+        if avatar_url is not None:
+            ret["avatar_url"] = avatar_url
+
+        defer.returnValue((200, ret))
 
 
 def register_servlets(hs, http_server):

synapse/rest/client/v1/pusher.py

@@ -52,7 +52,7 @@ class PusherRestServlet(ClientV1RestServlet):
             if i not in content:
                 missing.append(i)
         if len(missing):
-            raise SynapseError(400, "Missing parameters: "+','.join(missing),
+            raise SynapseError(400, "Missing parameters: " + ','.join(missing),
                                errcode=Codes.MISSING_PARAM)
 
         logger.debug("set pushkey %s to kind %s", content['pushkey'], content['kind'])
@@ -83,7 +83,7 @@ class PusherRestServlet(ClientV1RestServlet):
                 data=content['data']
             )
         except PusherConfigException as pce:
-            raise SynapseError(400, "Config Error: "+pce.message,
+            raise SynapseError(400, "Config Error: " + pce.message,
                                errcode=Codes.MISSING_PARAM)
 
         defer.returnValue((200, {}))

synapse/rest/client/v1/register.py

@@ -38,7 +38,8 @@ logger = logging.getLogger(__name__)
 if hasattr(hmac, "compare_digest"):
     compare_digest = hmac.compare_digest
 else:
-    compare_digest = lambda a, b: a == b
+    def compare_digest(a, b):
+        return a == b
 
 
 class RegisterRestServlet(ClientV1RestServlet):
@@ -58,7 +59,7 @@ class RegisterRestServlet(ClientV1RestServlet):
         # }
         # TODO: persistent storage
         self.sessions = {}
-        self.disable_registration = hs.config.disable_registration
+        self.enable_registration = hs.config.enable_registration
 
     def on_GET(self, request):
         if self.hs.config.enable_registration_captcha:
@@ -112,7 +113,7 @@ class RegisterRestServlet(ClientV1RestServlet):
             is_using_shared_secret = login_type == LoginType.SHARED_SECRET
 
             can_register = (
-                not self.disable_registration
+                self.enable_registration
                 or is_application_server
                 or is_using_shared_secret
             )

synapse/rest/client/v1/room.py

@@ -429,8 +429,6 @@ class RoomEventContext(ClientV1RestServlet):
             serialize_event(event, time_now) for event in results["state"]
         ]
 
-        logger.info("Responding with %r", results)
-
         defer.returnValue((200, results))
 
 

synapse/rest/client/v2_alpha/account.py

@@ -116,9 +116,10 @@ class ThreepidRestServlet(RestServlet):
 
         body = parse_json_dict_from_request(request)
 
-        if 'threePidCreds' not in body:
+        threePidCreds = body.get('threePidCreds')
+        threePidCreds = body.get('three_pid_creds', threePidCreds)
+        if threePidCreds is None:
             raise SynapseError(400, "Missing param", Codes.MISSING_PARAM)
-        threePidCreds = body['threePidCreds']
 
         requester = yield self.auth.get_user_by_req(request)
         user_id = requester.user.to_string()

synapse/rest/client/v2_alpha/account_data.py

@@ -57,7 +57,7 @@ class AccountDataServlet(RestServlet):
             user_id, account_data_type, body
         )
 
-        yield self.notifier.on_new_event(
+        self.notifier.on_new_event(
             "account_data_key", max_id, users=[user_id]
         )
 
@@ -99,7 +99,7 @@ class RoomAccountDataServlet(RestServlet):
             user_id, room_id, account_data_type, body
         )
 
-        yield self.notifier.on_new_event(
+        self.notifier.on_new_event(
             "account_data_key", max_id, users=[user_id]
         )
 

synapse/rest/client/v2_alpha/register.py

@@ -34,7 +34,8 @@ from synapse.util.async import run_on_reactor
 if hasattr(hmac, "compare_digest"):
     compare_digest = hmac.compare_digest
 else:
-    compare_digest = lambda a, b: a == b
+    def compare_digest(a, b):
+        return a == b
 
 
 logger = logging.getLogger(__name__)
@@ -116,7 +117,7 @@ class RegisterRestServlet(RestServlet):
             return
 
         # == Normal User Registration == (everyone else)
-        if self.hs.config.disable_registration:
+        if not self.hs.config.enable_registration:
             raise SynapseError(403, "Registration has been disabled")
 
         guest_access_token = body.get("guest_access_token", None)
@@ -152,6 +153,7 @@ class RegisterRestServlet(RestServlet):
 
         desired_username = params.get("username", None)
         new_password = params.get("password", None)
+        guest_access_token = params.get("guest_access_token", None)
 
         (user_id, token) = yield self.registration_handler.register(
             localpart=desired_username,

synapse/rest/client/v2_alpha/sync.py

@@ -20,7 +20,6 @@ from synapse.http.servlet import (
 )
 from synapse.handlers.sync import SyncConfig
 from synapse.types import StreamToken
-from synapse.events import FrozenEvent
 from synapse.events.utils import (
     serialize_event, format_event_for_client_v2_without_room_id,
 )
@@ -287,9 +286,6 @@ class SyncRestServlet(RestServlet):
         state_dict = room.state
         timeline_events = room.timeline.events
 
-        state_dict = SyncRestServlet._rollback_state_for_timeline(
-            state_dict, timeline_events)
-
         state_events = state_dict.values()
 
         serialized_state = [serialize(e) for e in state_events]
@@ -314,77 +310,6 @@ class SyncRestServlet(RestServlet):
 
         return result
 
-    @staticmethod
-    def _rollback_state_for_timeline(state, timeline):
-        """
-        Wind the state dictionary backwards, so that it represents the
-        state at the start of the timeline, rather than at the end.
-
-        :param dict[(str, str), synapse.events.EventBase] state: the
-            state dictionary. Will be updated to the state before the timeline.
-        :param list[synapse.events.EventBase] timeline: the event timeline
-        :return: updated state dictionary
-        """
-
-        result = state.copy()
-
-        for timeline_event in reversed(timeline):
-            if not timeline_event.is_state():
-                continue
-
-            event_key = (timeline_event.type, timeline_event.state_key)
-
-            logger.debug("Considering %s for removal", event_key)
-
-            state_event = result.get(event_key)
-            if (state_event is None or
-                    state_event.event_id != timeline_event.event_id):
-                # the event in the timeline isn't present in the state
-                # dictionary.
-                #
-                # the most likely cause for this is that there was a fork in
-                # the event graph, and the state is no longer valid. Really,
-                # the event shouldn't be in the timeline. We're going to ignore
-                # it for now, however.
-                logger.debug("Found state event %r in timeline which doesn't "
-                             "match state dictionary", timeline_event)
-                continue
-
-            prev_event_id = timeline_event.unsigned.get("replaces_state", None)
-
-            prev_content = timeline_event.unsigned.get('prev_content')
-            prev_sender = timeline_event.unsigned.get('prev_sender')
-            # Empircally it seems possible for the event to have a
-            # "replaces_state" key but not a prev_content or prev_sender
-            # markjh conjectures that it could be due to the server not
-            # having a copy of that event.
-            # If this is the case the we ignore the previous event. This will
-            # cause the displayname calculations on the client to be incorrect
-            if prev_event_id is None or not prev_content or not prev_sender:
-                logger.debug(
-                    "Removing %r from the state dict, as it is missing"
-                    " prev_content (prev_event_id=%r)",
-                    timeline_event.event_id, prev_event_id
-                )
-                del result[event_key]
-            else:
-                logger.debug(
-                    "Replacing %r with %r in state dict",
-                    timeline_event.event_id, prev_event_id
-                )
-                result[event_key] = FrozenEvent({
-                    "type": timeline_event.type,
-                    "state_key": timeline_event.state_key,
-                    "content": prev_content,
-                    "sender": prev_sender,
-                    "event_id": prev_event_id,
-                    "room_id": timeline_event.room_id,
-                })
-
-            logger.debug("New value: %r", result.get(event_key))
-
-        return result
-
 
 def register_servlets(hs, http_server):
     SyncRestServlet(hs).register(http_server)

synapse/rest/client/v2_alpha/tags.py

@@ -80,7 +80,7 @@ class TagServlet(RestServlet):
 
         max_id = yield self.store.add_tag_to_room(user_id, room_id, tag, body)
 
-        yield self.notifier.on_new_event(
+        self.notifier.on_new_event(
             "account_data_key", max_id, users=[user_id]
         )
 
@@ -94,7 +94,7 @@ class TagServlet(RestServlet):
 
         max_id = yield self.store.remove_tag_from_room(user_id, room_id, tag)
 
-        yield self.notifier.on_new_event(
+        self.notifier.on_new_event(
             "account_data_key", max_id, users=[user_id]
         )
 

synapse/rest/client/versions.py

@@ -26,9 +26,7 @@ class VersionsRestServlet(RestServlet):
 
     def on_GET(self, request):
         return (200, {
-            "versions": [
+            "versions": ["r0.0.1"]
-                "r0.0.1",
-            ]
         })
 
 

synapse/rest/media/v1/base_resource.py

@@ -28,6 +28,7 @@ from twisted.protocols.basic import FileSender
 
 from synapse.util.async import ObservableDeferred
 from synapse.util.stringutils import is_ascii
+from synapse.util.logcontext import preserve_context_over_fn
 
 import os
 
@@ -276,7 +277,8 @@ class BaseMediaResource(Resource):
         )
         self._makedirs(t_path)
 
-        t_len = yield threads.deferToThread(
+        t_len = yield preserve_context_over_fn(
+            threads.deferToThread,
             self._generate_thumbnail,
             input_path, t_path, t_width, t_height, t_method, t_type
         )
@@ -298,7 +300,8 @@ class BaseMediaResource(Resource):
         )
         self._makedirs(t_path)
 
-        t_len = yield threads.deferToThread(
+        t_len = yield preserve_context_over_fn(
+            threads.deferToThread,
             self._generate_thumbnail,
             input_path, t_path, t_width, t_height, t_method, t_type
         )
@@ -372,7 +375,7 @@ class BaseMediaResource(Resource):
                     media_id, t_width, t_height, t_type, t_method, t_len
                 ))
 
-        yield threads.deferToThread(generate_thumbnails)
+        yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails)
 
         for l in local_thumbnails:
             yield self.store.store_local_thumbnail(*l)
@@ -445,7 +448,7 @@ class BaseMediaResource(Resource):
                     t_width, t_height, t_type, t_method, t_len
                 ])
 
-        yield threads.deferToThread(generate_thumbnails)
+        yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails)
 
         for r in remote_thumbnails:
             yield self.store.store_remote_media_thumbnail(*r)

synapse/state.py

@@ -63,7 +63,7 @@ class StateHandler(object):
             cache_name="state_cache",
             clock=self.clock,
             max_len=SIZE_OF_CACHE,
-            expiry_ms=EVICTION_TIMEOUT_SECONDS*1000,
+            expiry_ms=EVICTION_TIMEOUT_SECONDS * 1000,
             reset_expiry_on_get=True,
         )
 

synapse/storage/__init__.py

@@ -45,9 +45,10 @@ from .search import SearchStore
 from .tags import TagsStore
 from .account_data import AccountDataStore
 
-
 from util.id_generators import IdGenerator, StreamIdGenerator
 
+from synapse.util.caches.stream_change_cache import StreamChangeCache
+
 
 import logging
 
@@ -58,7 +59,7 @@ logger = logging.getLogger(__name__)
 # Number of msec of granularity to store the user IP 'last seen' time. Smaller
 # times give more inserts into the database even for readonly API hits
 # 120 seconds == 2 minutes
-LAST_SEEN_GRANULARITY = 120*1000
+LAST_SEEN_GRANULARITY = 120 * 1000
 
 
 class DataStore(RoomMemberStore, RoomStore,
@@ -84,6 +85,7 @@ class DataStore(RoomMemberStore, RoomStore,
 
     def __init__(self, db_conn, hs):
         self.hs = hs
+        self.database_engine = hs.database_engine
 
         cur = db_conn.cursor()
         try:
@@ -117,8 +119,61 @@ class DataStore(RoomMemberStore, RoomStore,
         self._push_rule_id_gen = IdGenerator("push_rules", "id", self)
         self._push_rules_enable_id_gen = IdGenerator("push_rules_enable", "id", self)
 
+        events_max = self._stream_id_gen.get_max_token(None)
+        event_cache_prefill, min_event_val = self._get_cache_dict(
+            db_conn, "events",
+            entity_column="room_id",
+            stream_column="stream_ordering",
+            max_value=events_max,
+        )
+        self._events_stream_cache = StreamChangeCache(
+            "EventsRoomStreamChangeCache", min_event_val,
+            prefilled_cache=event_cache_prefill,
+        )
+
+        self._membership_stream_cache = StreamChangeCache(
+            "MembershipStreamChangeCache", events_max,
+        )
+
+        account_max = self._account_data_id_gen.get_max_token(None)
+        self._account_data_stream_cache = StreamChangeCache(
+            "AccountDataAndTagsChangeCache", account_max,
+        )
+
         super(DataStore, self).__init__(hs)
 
+    def _get_cache_dict(self, db_conn, table, entity_column, stream_column, max_value):
+        # Fetch a mapping of room_id -> max stream position for "recent" rooms.
+        # It doesn't really matter how many we get, the StreamChangeCache will
+        # do the right thing to ensure it respects the max size of cache.
+        sql = (
+            "SELECT %(entity)s, MAX(%(stream)s) FROM %(table)s"
+            " WHERE %(stream)s > ? - 100000"
+            " GROUP BY %(entity)s"
+        ) % {
+            "table": table,
+            "entity": entity_column,
+            "stream": stream_column,
+        }
+
+        sql = self.database_engine.convert_param_style(sql)
+
+        txn = db_conn.cursor()
+        txn.execute(sql, (int(max_value),))
+        rows = txn.fetchall()
+
+        cache = {
+            row[0]: int(row[1])
+            for row in rows
+        }
+
+        if cache:
+            min_val = min(cache.values())
+        else:
+            min_val = max_value
+
+        return cache, min_val
+
     @defer.inlineCallbacks
     def insert_client_ip(self, user, access_token, ip, user_agent):
         now = int(self._clock.time_msec())

synapse/storage/_base.py

@@ -15,7 +15,7 @@
 import logging
 
 from synapse.api.errors import StoreError
-from synapse.util.logcontext import preserve_context_over_fn, LoggingContext
+from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
 from synapse.util.caches.dictionary_cache import DictionaryCache
 from synapse.util.caches.descriptors import Cache
 import synapse.metrics
@@ -185,7 +185,7 @@ class SQLBaseStore(object):
             time_then = self._previous_loop_ts
             self._previous_loop_ts = time_now
 
-            ratio = (curr - prev)/(time_now - time_then)
+            ratio = (curr - prev) / (time_now - time_then)
 
             top_three_counters = self._txn_perf_counters.interval(
                 time_now - time_then, limit=3
@@ -298,8 +298,8 @@ class SQLBaseStore(object):
                     func, *args, **kwargs
                 )
 
-        result = yield preserve_context_over_fn(
+        with PreserveLoggingContext():
-            self._db_pool.runWithConnection,
+            result = yield self._db_pool.runWithConnection(
                 inner_func, *args, **kwargs
             )
 
@@ -326,8 +326,8 @@ class SQLBaseStore(object):
 
                 return func(conn, *args, **kwargs)
 
-        result = yield preserve_context_over_fn(
+        with PreserveLoggingContext():
-            self._db_pool.runWithConnection,
+            result = yield self._db_pool.runWithConnection(
                 inner_func, *args, **kwargs
             )
 
@@ -643,7 +643,10 @@ class SQLBaseStore(object):
         if not iterable:
             defer.returnValue(results)
 
-        chunks = [iterable[i:i+batch_size] for i in xrange(0, len(iterable), batch_size)]
+        chunks = [
+            iterable[i:i + batch_size]
+            for i in xrange(0, len(iterable), batch_size)
+        ]
         for chunk in chunks:
             rows = yield self.runInteraction(
                 desc,

synapse/storage/account_data.py

@@ -14,7 +14,6 @@
 # limitations under the License.
 
 from ._base import SQLBaseStore
-from synapse.util.caches.stream_change_cache import StreamChangeCache
 from twisted.internet import defer
 
 import ujson as json
@@ -24,14 +23,6 @@ logger = logging.getLogger(__name__)
 
 
 class AccountDataStore(SQLBaseStore):
-    def __init__(self, hs):
-        super(AccountDataStore, self).__init__(hs)
-
-        self._account_data_stream_cache = StreamChangeCache(
-            "AccountDataAndTagsChangeCache",
-            self._account_data_id_gen.get_max_token(None),
-            max_size=10000,
-        )
 
     def get_account_data_for_user(self, user_id):
         """Get all the client account_data for a user.
@@ -166,6 +157,10 @@ class AccountDataStore(SQLBaseStore):
                     "content": content_json,
                 }
             )
+            txn.call_after(
+                self._account_data_stream_cache.entity_has_changed,
+                user_id, next_id,
+            )
             self._update_max_stream_id(txn, next_id)
 
         with (yield self._account_data_id_gen.get_next(self)) as next_id:

synapse/storage/appservice.py

@@ -276,7 +276,8 @@ class ApplicationServiceTransactionStore(SQLBaseStore):
             "application_services_state",
             dict(as_id=service.id),
             ["state"],
-            allow_none=True
+            allow_none=True,
+            desc="get_appservice_state",
         )
         if result:
             defer.returnValue(result.get("state"))

synapse/storage/engines/sqlite3.py

@@ -54,7 +54,7 @@ class Sqlite3Engine(object):
 
 def _parse_match_info(buf):
     bufsize = len(buf)
-    return [struct.unpack('@I', buf[i:i+4])[0] for i in range(0, bufsize, 4)]
+    return [struct.unpack('@I', buf[i:i + 4])[0] for i in range(0, bufsize, 4)]
 
 
 def _rank(raw_match_info):

synapse/storage/event_federation.py

@@ -58,7 +58,7 @@ class EventFederationStore(SQLBaseStore):
             new_front = set()
             front_list = list(front)
             chunks = [
-                front_list[x:x+100]
+                front_list[x:x + 100]
                 for x in xrange(0, len(front), 100)
             ]
             for chunk in chunks:

synapse/storage/event_push_actions.py

@@ -24,8 +24,7 @@ logger = logging.getLogger(__name__)
 
 
 class EventPushActionsStore(SQLBaseStore):
-    @defer.inlineCallbacks
+    def _set_push_actions_for_event_and_users_txn(self, txn, event, tuples):
-    def set_push_actions_for_event_and_users(self, event, tuples):
         """
         :param event: the event set actions for
         :param tuples: list of tuples of (user_id, profile_tag, actions)
@@ -37,21 +36,19 @@ class EventPushActionsStore(SQLBaseStore):
                 'event_id': event.event_id,
                 'user_id': uid,
                 'profile_tag': profile_tag,
-                'actions': json.dumps(actions)
+                'actions': json.dumps(actions),
+                'stream_ordering': event.internal_metadata.stream_ordering,
+                'topological_ordering': event.depth,
+                'notif': 1,
+                'highlight': 1 if _action_has_highlight(actions) else 0,
             })
 
-        def f(txn):
         for uid, _, __ in tuples:
             txn.call_after(
                 self.get_unread_event_push_actions_by_room_for_user.invalidate_many,
                 (event.room_id, uid)
             )
-            return self._simple_insert_many_txn(txn, "event_push_actions", values)
+        self._simple_insert_many_txn(txn, "event_push_actions", values)
-
-        yield self.runInteraction(
-            "set_actions_for_event_and_users",
-            f,
-        )
 
     @cachedInlineCallbacks(num_args=3, lru=True, tree=True)
     def get_unread_event_push_actions_by_room_for_user(
@@ -68,32 +65,34 @@ class EventPushActionsStore(SQLBaseStore):
             )
             results = txn.fetchall()
             if len(results) == 0:
-                return []
+                return {"notify_count": 0, "highlight_count": 0}
 
             stream_ordering = results[0][0]
             topological_ordering = results[0][1]
 
             sql = (
-                "SELECT ea.event_id, ea.actions"
+                "SELECT sum(notif), sum(highlight)"
-                " FROM event_push_actions ea, events e"
+                " FROM event_push_actions ea"
-                " WHERE ea.room_id = e.room_id"
+                " WHERE"
-                " AND ea.event_id = e.event_id"
+                " user_id = ?"
-                " AND ea.user_id = ?"
+                " AND room_id = ?"
-                " AND ea.room_id = ?"
                 " AND ("
-                "       e.topological_ordering > ?"
+                "       topological_ordering > ?"
-                "       OR (e.topological_ordering = ? AND e.stream_ordering > ?)"
+                "       OR (topological_ordering = ? AND stream_ordering > ?)"
                 ")"
             )
             txn.execute(sql, (
                 user_id, room_id,
                 topological_ordering, topological_ordering, stream_ordering
-            )
+            ))
-            )
+            row = txn.fetchone()
-            return [
+            if row:
-                {"event_id": row[0], "actions": json.loads(row[1])}
+                return {
-                for row in txn.fetchall()
+                    "notify_count": row[0] or 0,
-            ]
+                    "highlight_count": row[1] or 0,
+                }
+            else:
+                return {"notify_count": 0, "highlight_count": 0}
 
         ret = yield self.runInteraction(
             "get_unread_event_push_actions_by_room",
@@ -101,9 +100,7 @@ class EventPushActionsStore(SQLBaseStore):
         )
         defer.returnValue(ret)
 
-    @defer.inlineCallbacks
+    def _remove_push_actions_for_event_id_txn(self, txn, room_id, event_id):
-    def remove_push_actions_for_event_id(self, room_id, event_id):
-        def f(txn):
         # Sad that we have to blow away the cache for the whole room here
         txn.call_after(
             self.get_unread_event_push_actions_by_room_for_user.invalidate_many,
@@ -113,7 +110,14 @@ class EventPushActionsStore(SQLBaseStore):
             "DELETE FROM event_push_actions WHERE room_id = ? AND event_id = ?",
             (room_id, event_id)
         )
-        yield self.runInteraction(
+
-            "remove_push_actions_for_event_id",
+
-            f
+def _action_has_highlight(actions):
-        )
+    for action in actions:
+        try:
+            if action.get("set_tweak", None) == "highlight":
+                return action.get("value", True)
+        except AttributeError:
+            pass
+
+    return False

synapse/storage/events.py

@@ -19,7 +19,7 @@ from twisted.internet import defer, reactor
 from synapse.events import FrozenEvent, USE_FROZEN_DICTS
 from synapse.events.utils import prune_event
 
-from synapse.util.logcontext import preserve_context_over_deferred
+from synapse.util.logcontext import preserve_fn, PreserveLoggingContext
 from synapse.util.logutils import log_function
 from synapse.api.constants import EventTypes
 
@@ -84,7 +84,7 @@ class EventsStore(SQLBaseStore):
                 event.internal_metadata.stream_ordering = stream
 
             chunks = [
-                events_and_contexts[x:x+100]
+                events_and_contexts[x:x + 100]
                 for x in xrange(0, len(events_and_contexts), 100)
             ]
 
@@ -205,25 +205,31 @@ class EventsStore(SQLBaseStore):
     @log_function
     def _persist_events_txn(self, txn, events_and_contexts, backfilled,
                             is_new_state=True):
-
+        depth_updates = {}
+        for event, context in events_and_contexts:
             # Remove the any existing cache entries for the event_ids
-        for event, _ in events_and_contexts:
             txn.call_after(self._invalidate_get_event_cache, event.event_id)
-
             if not backfilled:
                 txn.call_after(
                     self._events_stream_cache.entity_has_changed,
                     event.room_id, event.internal_metadata.stream_ordering,
                 )
 
-        depth_updates = {}
+            if not event.internal_metadata.is_outlier():
-        for event, _ in events_and_contexts:
-            if event.internal_metadata.is_outlier():
-                continue
                 depth_updates[event.room_id] = max(
                     event.depth, depth_updates.get(event.room_id, event.depth)
                 )
 
+            if context.push_actions:
+                self._set_push_actions_for_event_and_users_txn(
+                    txn, event, context.push_actions
+                )
+
+        if event.type == EventTypes.Redaction and event.redacts is not None:
+            self._remove_push_actions_for_event_id_txn(
+                txn, event.room_id, event.redacts
+            )
+
         for room_id, depth in depth_updates.items():
             self._update_min_depth_for_room_txn(txn, room_id, depth)
 
@@ -664,6 +670,7 @@ class EventsStore(SQLBaseStore):
                     for ids, d in lst:
                         if not d.called:
                             try:
+                                with PreserveLoggingContext():
                                     d.callback([
                                         res[i]
                                         for i in ids
@@ -671,6 +678,7 @@ class EventsStore(SQLBaseStore):
                                     ])
                             except:
                                 logger.exception("Failed to callback")
+                with PreserveLoggingContext():
                     reactor.callFromThread(fire, event_list, row_dict)
             except Exception as e:
                 logger.exception("do_fetch")
@@ -679,9 +687,11 @@ class EventsStore(SQLBaseStore):
                 def fire(evs):
                     for _, d in evs:
                         if not d.called:
+                            with PreserveLoggingContext():
                                 d.errback(e)
 
                 if event_list:
+                    with PreserveLoggingContext():
                         reactor.callFromThread(fire, event_list)
 
     @defer.inlineCallbacks
@@ -709,18 +719,20 @@ class EventsStore(SQLBaseStore):
                 should_start = False
 
         if should_start:
+            with PreserveLoggingContext():
                 self.runWithConnection(
                     self._do_fetch
                 )
 
-        rows = yield preserve_context_over_deferred(events_d)
+        with PreserveLoggingContext():
+            rows = yield events_d
 
         if not allow_rejected:
             rows[:] = [r for r in rows if not r["rejects"]]
 
         res = yield defer.gatherResults(
             [
-                self._get_event_from_row(
+                preserve_fn(self._get_event_from_row)(
                     row["internal_metadata"], row["json"], row["redacts"],
                     check_redacted=check_redacted,
                     get_prev_content=get_prev_content,
@@ -740,7 +752,7 @@ class EventsStore(SQLBaseStore):
         rows = []
         N = 200
         for i in range(1 + len(events) / N):
-            evs = events[i*N:(i + 1)*N]
+            evs = events[i * N:(i + 1) * N]
             if not evs:
                 break
 
@@ -755,7 +767,7 @@ class EventsStore(SQLBaseStore):
                 " LEFT JOIN rejections as rej USING (event_id)"
                 " LEFT JOIN redactions as r ON e.event_id = r.redacts"
                 " WHERE e.event_id IN (%s)"
-            ) % (",".join(["?"]*len(evs)),)
+            ) % (",".join(["?"] * len(evs)),)
 
             txn.execute(sql, evs)
             rows.extend(self.cursor_to_dict(txn))

synapse/storage/keys.py

@@ -39,6 +39,7 @@ class KeyStore(SQLBaseStore):
             table="server_tls_certificates",
             keyvalues={"server_name": server_name},
             retcols=("tls_certificate",),
+            desc="get_server_certificate",
         )
         tls_certificate = OpenSSL.crypto.load_certificate(
             OpenSSL.crypto.FILETYPE_ASN1, tls_certificate_bytes,

synapse/storage/prepare_database.py

@@ -25,7 +25,7 @@ logger = logging.getLogger(__name__)
 
 # Remember to update this number every time a change is made to database
 # schema files, so the users will be informed on server restarts.
-SCHEMA_VERSION = 28
+SCHEMA_VERSION = 29
 
 dir_path = os.path.abspath(os.path.dirname(__file__))
 
@@ -211,7 +211,7 @@ def _upgrade_existing_database(cur, current_version, applied_delta_files,
     logger.debug("applied_delta_files: %s", applied_delta_files)
 
     for v in range(start_ver, SCHEMA_VERSION + 1):
-        logger.debug("Upgrading schema to v%d", v)
+        logger.info("Upgrading schema to v%d", v)
 
         delta_dir = os.path.join(dir_path, "schema", "delta", str(v))
 

synapse/storage/presence.py

@@ -68,8 +68,9 @@ class PresenceStore(SQLBaseStore):
             for row in rows
         })
 
+    @defer.inlineCallbacks
     def set_presence_state(self, user_localpart, new_state):
-        res = self._simple_update_one(
+        res = yield self._simple_update_one(
             table="presence",
             keyvalues={"user_id": user_localpart},
             updatevalues={"state": new_state["state"],
@@ -79,7 +80,7 @@ class PresenceStore(SQLBaseStore):
         )
 
         self.get_presence_state.invalidate((user_localpart,))
-        return res
+        defer.returnValue(res)
 
     def allow_presence_visible(self, observed_localpart, observer_userid):
         return self._simple_insert(

synapse/storage/receipts.py

@@ -46,6 +46,20 @@ class ReceiptsStore(SQLBaseStore):
             desc="get_receipts_for_room",
         )
 
+    @cached(num_args=3)
+    def get_last_receipt_event_id_for_user(self, user_id, room_id, receipt_type):
+        return self._simple_select_one_onecol(
+            table="receipts_linearized",
+            keyvalues={
+                "room_id": room_id,
+                "receipt_type": receipt_type,
+                "user_id": user_id
+            },
+            retcol="event_id",
+            desc="get_own_receipt_for_user",
+            allow_none=True,
+        )
+
     @cachedInlineCallbacks(num_args=2)
     def get_receipts_for_user(self, user_id, receipt_type):
         def f(txn):
@@ -226,6 +240,11 @@ class ReceiptsStore(SQLBaseStore):
             room_id, stream_id
         )
 
+        txn.call_after(
+            self.get_last_receipt_event_id_for_user.invalidate,
+            (user_id, room_id, receipt_type)
+        )
+
         # We don't want to clobber receipts for more recent events, so we
         # have to compare orderings of existing receipts
         sql = (

synapse/storage/registration.py

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import re
+
 from twisted.internet import defer
 
 from synapse.api.errors import StoreError, Codes
@@ -134,6 +136,7 @@ class RegistrationStore(SQLBaseStore):
             },
             retcols=["name", "password_hash", "is_guest"],
             allow_none=True,
+            desc="get_user_by_id",
         )
 
     def get_users_by_id_case_insensitive(self, user_id):
@@ -350,3 +353,37 @@ class RegistrationStore(SQLBaseStore):
 
         ret = yield self.runInteraction("count_users", _count_users)
         defer.returnValue(ret)
+
+    @defer.inlineCallbacks
+    def find_next_generated_user_id_localpart(self):
+        """
+        Gets the localpart of the next generated user ID.
+
+        Generated user IDs are integers, and we aim for them to be as small as
+        we can. Unfortunately, it's possible some of them are already taken by
+        existing users, and there may be gaps in the already taken range. This
+        function returns the start of the first allocatable gap. This is to
+        avoid the case of ID 10000000 being pre-allocated, so us wasting the
+        first (and shortest) many generated user IDs.
+        """
+        def _find_next_generated_user_id(txn):
+            txn.execute("SELECT name FROM users")
+            rows = self.cursor_to_dict(txn)
+
+            regex = re.compile("^@(\d+):")
+
+            found = set()
+
+            for r in rows:
+                user_id = r["name"]
+                match = regex.search(user_id)
+                if match:
+                    found.add(int(match.group(1)))
+            for i in xrange(len(found) + 1):
+                if i not in found:
+                    return i
+
+        defer.returnValue((yield self.runInteraction(
+            "find_next_generated_user_id",
+            _find_next_generated_user_id
+        )))

synapse/storage/room.py

@@ -87,90 +87,20 @@ class RoomStore(SQLBaseStore):
             desc="get_public_room_ids",
         )
 
-    @defer.inlineCallbacks
+    def get_room_count(self):
-    def get_rooms(self, is_public):
+        """Retrieve a list of all rooms
-        """Retrieve a list of all public rooms.
-
-        Args:
-            is_public (bool): True if the rooms returned should be public.
-        Returns:
-            A list of room dicts containing at least a "room_id" key, a
-            "topic" key if one is set, and a "name" key if one is set
         """
 
         def f(txn):
-            def subquery(table_name, column_name=None):
+            sql = "SELECT count(*)  FROM rooms"
-                column_name = column_name or table_name
+            txn.execute(sql)
-                return (
+            row = txn.fetchone()
-                    "SELECT %(table_name)s.event_id as event_id, "
+            return row[0] or 0
-                    "%(table_name)s.room_id as room_id, %(column_name)s "
-                    "FROM %(table_name)s "
-                    "INNER JOIN current_state_events as c "
-                    "ON c.event_id = %(table_name)s.event_id " % {
-                        "column_name": column_name,
-                        "table_name": table_name,
-                    }
-                )
 
-            sql = (
+        return self.runInteraction(
-                "SELECT"
-                "    r.room_id,"
-                "    max(n.name),"
-                "    max(t.topic),"
-                "    max(v.history_visibility),"
-                "    max(g.guest_access)"
-                " FROM rooms AS r"
-                " LEFT JOIN (%(topic)s) AS t ON t.room_id = r.room_id"
-                " LEFT JOIN (%(name)s) AS n ON n.room_id = r.room_id"
-                " LEFT JOIN (%(history_visibility)s) AS v ON v.room_id = r.room_id"
-                " LEFT JOIN (%(guest_access)s) AS g ON g.room_id = r.room_id"
-                " WHERE r.is_public = ?"
-                " GROUP BY r.room_id" % {
-                    "topic": subquery("topics", "topic"),
-                    "name": subquery("room_names", "name"),
-                    "history_visibility": subquery("history_visibility"),
-                    "guest_access": subquery("guest_access"),
-                }
-            )
-
-            txn.execute(sql, (is_public,))
-
-            rows = txn.fetchall()
-
-            for i, row in enumerate(rows):
-                room_id = row[0]
-                aliases = self._simple_select_onecol_txn(
-                    txn,
-                    table="room_aliases",
-                    keyvalues={
-                        "room_id": room_id
-                    },
-                    retcol="room_alias",
-                )
-
-                rows[i] = list(row) + [aliases]
-
-            return rows
-
-        rows = yield self.runInteraction(
             "get_rooms", f
         )
 
-        ret = [
-            {
-                "room_id": r[0],
-                "name": r[1],
-                "topic": r[2],
-                "world_readable": r[3] == "world_readable",
-                "guest_can_join": r[4] == "can_join",
-                "aliases": r[5],
-            }
-            for r in rows
-            if r[5]  # We only return rooms that have at least one alias.
-        ]
-
-        defer.returnValue(ret)
-
     def _store_room_topic_txn(self, txn, event):
         if hasattr(event, "content") and "topic" in event.content:
             self._simple_insert_txn(

synapse/storage/roommember.py

@@ -58,6 +58,10 @@ class RoomMemberStore(SQLBaseStore):
             txn.call_after(self.get_rooms_for_user.invalidate, (event.state_key,))
             txn.call_after(self.get_joined_hosts_for_room.invalidate, (event.room_id,))
             txn.call_after(self.get_users_in_room.invalidate, (event.room_id,))
+            txn.call_after(
+                self._membership_stream_cache.entity_has_changed,
+                event.state_key, event.internal_metadata.stream_ordering
+            )
 
     def get_room_member(self, user_id, room_id):
         """Retrieve the current state of a room member.

synapse/storage/schema/delta/28/public_roms_index.sql

@@ -0,0 +1,16 @@
+/* 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.
+*/
+
+CREATE INDEX public_room_index on rooms(is_public);

synapse/storage/schema/delta/29/push_actions.sql

@@ -0,0 +1,31 @@
+/* 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.
+ */
+
+ALTER TABLE event_push_actions ADD COLUMN topological_ordering BIGINT;
+ALTER TABLE event_push_actions ADD COLUMN stream_ordering BIGINT;
+ALTER TABLE event_push_actions ADD COLUMN notif SMALLINT;
+ALTER TABLE event_push_actions ADD COLUMN highlight SMALLINT;
+
+UPDATE event_push_actions SET stream_ordering = (
+    SELECT stream_ordering FROM events WHERE event_id = event_push_actions.event_id
+), topological_ordering = (
+    SELECT topological_ordering FROM events WHERE event_id = event_push_actions.event_id
+);
+
+UPDATE event_push_actions SET notif = 1, highlight = 0;
+
+CREATE INDEX event_push_actions_rm_tokens on event_push_actions(
+    user_id, room_id, topological_ordering, stream_ordering
+);

synapse/storage/state.py

@@ -171,15 +171,10 @@ class StateStore(SQLBaseStore):
         events = yield self._get_events(event_ids, get_prev_content=False)
         defer.returnValue(events)
 
-    def _get_state_groups_from_groups(self, groups_and_types):
+    def _get_state_groups_from_groups(self, groups, types):
         """Returns dictionary state_group -> state event ids
-
-        Args:
-            groups_and_types (list): list of 2-tuple (`group`, `types`)
         """
-        def f(txn):
+        def f(txn, groups):
-            results = {}
-            for group, types in groups_and_types:
             if types is not None:
                 where_clause = "AND (%s)" % (
                     " OR ".join(["(type = ? AND state_key = ?)"] * len(types)),
@@ -188,23 +183,30 @@ class StateStore(SQLBaseStore):
                 where_clause = ""
 
             sql = (
-                    "SELECT event_id FROM state_groups_state WHERE"
+                "SELECT state_group, event_id FROM state_groups_state WHERE"
-                    " state_group = ? %s"
+                " state_group IN (%s) %s" % (
-                ) % (where_clause,)
+                    ",".join("?" for _ in groups),
+                    where_clause,
+                )
+            )
 
-                args = [group]
+            args = list(groups)
             if types is not None:
                 args.extend([i for typ in types for i in typ])
 
             txn.execute(sql, args)
+            rows = self.cursor_to_dict(txn)
 
-                results[group] = [r[0] for r in txn.fetchall()]
+            results = {}
-
+            for row in rows:
+                results.setdefault(row["state_group"], []).append(row["event_id"])
             return results
 
+        chunks = [groups[i:i + 100] for i in xrange(0, len(groups), 100)]
+        for chunk in chunks:
             return self.runInteraction(
                 "_get_state_groups_from_groups",
-            f,
+                f, chunk
             )
 
     @defer.inlineCallbacks
@@ -264,26 +266,20 @@ class StateStore(SQLBaseStore):
         )
 
     @cachedList(cache=_get_state_group_for_event.cache, list_name="event_ids",
-                num_args=1)
+                num_args=1, inlineCallbacks=True)
     def _get_state_group_for_events(self, event_ids):
         """Returns mapping event_id -> state_group
         """
-        def f(txn):
+        rows = yield self._simple_select_many_batch(
-            results = {}
-            for event_id in event_ids:
-                results[event_id] = self._simple_select_one_onecol_txn(
-                    txn,
             table="event_to_state_groups",
-                    keyvalues={
+            column="event_id",
-                        "event_id": event_id,
+            iterable=event_ids,
-                    },
+            keyvalues={},
-                    retcol="state_group",
+            retcols=("event_id", "state_group",),
-                    allow_none=True,
+            desc="_get_state_group_for_events",
         )
 
-            return results
+        defer.returnValue({row["event_id"]: row["state_group"] for row in rows})
-
-        return self.runInteraction("_get_state_group_for_events", f)
 
     def _get_some_state_from_cache(self, group, types):
         """Checks if group is in cache. See `_get_state_for_groups`
@@ -355,7 +351,7 @@ class StateStore(SQLBaseStore):
         all events are returned.
         """
         results = {}
-        missing_groups_and_types = []
+        missing_groups = []
         if types is not None:
             for group in set(groups):
                 state_dict, missing_types, got_all = self._get_some_state_from_cache(
@@ -364,7 +360,7 @@ class StateStore(SQLBaseStore):
                 results[group] = state_dict
 
                 if not got_all:
-                    missing_groups_and_types.append((group, missing_types))
+                    missing_groups.append(group)
         else:
             for group in set(groups):
                 state_dict, got_all = self._get_all_state_from_cache(
@@ -373,9 +369,9 @@ class StateStore(SQLBaseStore):
                 results[group] = state_dict
 
                 if not got_all:
-                    missing_groups_and_types.append((group, None))
+                    missing_groups.append(group)
 
-        if not missing_groups_and_types:
+        if not missing_groups:
             defer.returnValue({
                 group: {
                     type_tuple: event
@@ -389,7 +385,7 @@ class StateStore(SQLBaseStore):
         cache_seq_num = self._state_group_cache.sequence
 
         group_state_dict = yield self._get_state_groups_from_groups(
-            missing_groups_and_types
+            missing_groups, types
         )
 
         state_events = yield self._get_events(

synapse/storage/stream.py

@@ -37,10 +37,9 @@ from twisted.internet import defer
 
 from ._base import SQLBaseStore
 from synapse.util.caches.descriptors import cachedInlineCallbacks
-from synapse.util.caches.stream_change_cache import StreamChangeCache
 from synapse.api.constants import EventTypes
 from synapse.types import RoomStreamToken
-from synapse.util.logutils import log_function
+from synapse.util.logcontext import preserve_fn
 
 import logging
 
@@ -78,13 +77,6 @@ def upper_bound(token):
 
 
 class StreamStore(SQLBaseStore):
-    def __init__(self, hs):
-        super(StreamStore, self).__init__(hs)
-
-        self._events_stream_cache = StreamChangeCache(
-            "EventsRoomStreamChangeCache", self._stream_id_gen.get_max_token(None)
-        )
-
     @defer.inlineCallbacks
     def get_appservice_room_stream(self, service, from_key, to_key, limit=0):
         # NB this lives here instead of appservice.py so we can reuse the
@@ -177,14 +169,14 @@ class StreamStore(SQLBaseStore):
 
         results = {}
         room_ids = list(room_ids)
-        for rm_ids in (room_ids[i:i+20] for i in xrange(0, len(room_ids), 20)):
+        for rm_ids in (room_ids[i:i + 20] for i in xrange(0, len(room_ids), 20)):
             res = yield defer.gatherResults([
-                self.get_room_events_stream_for_room(
+                preserve_fn(self.get_room_events_stream_for_room)(
-                    room_id, from_key, to_key, limit
+                    room_id, from_key, to_key, limit,
-                ).addCallback(lambda r, rm: (rm, r), room_id)
+                )
                 for room_id in room_ids
             ])
-            results.update(dict(res))
+            results.update(dict(zip(rm_ids, res)))
 
         defer.returnValue(results)
 
@@ -229,8 +221,11 @@ class StreamStore(SQLBaseStore):
 
             rows = self.cursor_to_dict(txn)
 
-            ret = self._get_events_txn(
+            return rows
-                txn,
+
+        rows = yield self.runInteraction("get_room_events_stream_for_room", f)
+
+        ret = yield self._get_events(
             [r["event_id"] for r in rows],
             get_prev_content=True
         )
@@ -246,11 +241,10 @@ class StreamStore(SQLBaseStore):
             # get.
             key = from_key
 
-            return ret, key
+        defer.returnValue((ret, key))
-        res = yield self.runInteraction("get_room_events_stream_for_room", f)
-        defer.returnValue(res)
 
-    def get_room_changes_for_user(self, user_id, from_key, to_key):
+    @defer.inlineCallbacks
+    def get_membership_changes_for_user(self, user_id, from_key, to_key):
         if from_key is not None:
             from_id = RoomStreamToken.parse_stream_token(from_key).stream
         else:
@@ -258,7 +252,14 @@ class StreamStore(SQLBaseStore):
         to_id = RoomStreamToken.parse_stream_token(to_key).stream
 
         if from_key == to_key:
-            return defer.succeed([])
+            defer.returnValue([])
+
+        if from_id:
+            has_changed = self._membership_stream_cache.has_entity_changed(
+                user_id, int(from_id)
+            )
+            if not has_changed:
+                defer.returnValue([])
 
         def f(txn):
             if from_id is not None:
@@ -283,17 +284,19 @@ class StreamStore(SQLBaseStore):
                 txn.execute(sql, (user_id, to_id,))
             rows = self.cursor_to_dict(txn)
 
-            ret = self._get_events_txn(
+            return rows
-                txn,
+
+        rows = yield self.runInteraction("get_membership_changes_for_user", f)
+
+        ret = yield self._get_events(
             [r["event_id"] for r in rows],
             get_prev_content=True
         )
 
-            return ret
+        self._set_before_and_after(ret, rows, topo_order=False)
 
-        return self.runInteraction("get_room_changes_for_user", f)
+        defer.returnValue(ret)
 
-    @log_function
     def get_room_events_stream(
         self,
         user_id,
@@ -324,11 +327,6 @@ class StreamStore(SQLBaseStore):
                 " WHERE m.user_id = ? AND m.membership = 'join'"
             )
             current_room_membership_args = [user_id]
-            if room_ids:
-                current_room_membership_sql += " AND m.room_id in (%s)" % (
-                    ",".join(map(lambda _: "?", room_ids))
-                )
-                current_room_membership_args = [user_id] + room_ids
 
         # We also want to get any membership events about that user, e.g.
         # invites or leave notifications.
@@ -567,6 +565,7 @@ class StreamStore(SQLBaseStore):
             table="events",
             keyvalues={"event_id": event_id},
             retcols=("stream_ordering", "topological_ordering"),
+            desc="get_topological_token_for_event",
         ).addCallback(lambda row: "t%d-%d" % (
             row["topological_ordering"], row["stream_ordering"],)
         )
@@ -604,6 +603,10 @@ class StreamStore(SQLBaseStore):
             internal = event.internal_metadata
             internal.before = str(RoomStreamToken(topo, stream - 1))
             internal.after = str(RoomStreamToken(topo, stream))
+            internal.order = (
+                int(topo) if topo else 0,
+                int(stream),
+            )
 
     @defer.inlineCallbacks
     def get_events_around(self, room_id, event_id, before_limit, after_limit):

synapse/util/__init__.py

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
+from synapse.util.logcontext import PreserveLoggingContext
 
 from twisted.internet import defer, reactor, task
 
@@ -46,7 +46,7 @@ class Clock(object):
 
     def looping_call(self, f, msec):
         l = task.LoopingCall(f)
-        l.start(msec/1000.0, now=False)
+        l.start(msec / 1000.0, now=False)
         return l
 
     def stop_looping_call(self, loop):
@@ -61,10 +61,8 @@ class Clock(object):
             *args: Postional arguments to pass to function.
             **kwargs: Key arguments to pass to function.
         """
-        current_context = LoggingContext.current_context()
-
         def wrapped_callback(*args, **kwargs):
-            with PreserveLoggingContext(current_context):
+            with PreserveLoggingContext():
                 callback(*args, **kwargs)
 
         with PreserveLoggingContext():

synapse/util/async.py

@@ -16,13 +16,16 @@
 
 from twisted.internet import defer, reactor
 
-from .logcontext import preserve_context_over_deferred
+from .logcontext import PreserveLoggingContext
 
 
+@defer.inlineCallbacks
 def sleep(seconds):
     d = defer.Deferred()
+    with PreserveLoggingContext():
         reactor.callLater(seconds, d.callback, seconds)
-    return preserve_context_over_deferred(d)
+        res = yield d
+    defer.returnValue(res)
 
 
 def run_on_reactor():
@@ -54,6 +57,7 @@ class ObservableDeferred(object):
             object.__setattr__(self, "_result", (True, r))
             while self._observers:
                 try:
+                    # TODO: Handle errors here.
                     self._observers.pop().callback(r)
                 except:
                     pass
@@ -63,6 +67,7 @@ class ObservableDeferred(object):
             object.__setattr__(self, "_result", (False, f))
             while self._observers:
                 try:
+                    # TODO: Handle errors here.
                     self._observers.pop().errback(f)
                 except:
                     pass

synapse/util/caches/descriptors.py

@@ -18,6 +18,9 @@ from synapse.util.async import ObservableDeferred
 from synapse.util import unwrapFirstError
 from synapse.util.caches.lrucache import LruCache
 from synapse.util.caches.treecache import TreeCache
+from synapse.util.logcontext import (
+    PreserveLoggingContext, preserve_context_over_deferred, preserve_context_over_fn
+)
 
 from . import caches_by_name, DEBUG_CACHES, cache_counter
 
@@ -149,7 +152,7 @@ class CacheDescriptor(object):
         self.lru = lru
         self.tree = tree
 
-        self.arg_names = inspect.getargspec(orig).args[1:num_args+1]
+        self.arg_names = inspect.getargspec(orig).args[1:num_args + 1]
 
         if len(self.arg_names) < self.num_args:
             raise Exception(
@@ -190,7 +193,7 @@ class CacheDescriptor(object):
                         defer.returnValue(cached_result)
                     observer.addCallback(check_result)
 
-                return observer
+                return preserve_context_over_deferred(observer)
             except KeyError:
                 # Get the sequence number of the cache before reading from the
                 # database so that we can tell if the cache is invalidated
@@ -198,6 +201,7 @@ class CacheDescriptor(object):
                 sequence = self.cache.sequence
 
                 ret = defer.maybeDeferred(
+                    preserve_context_over_fn,
                     self.function_to_call,
                     obj, *args, **kwargs
                 )
@@ -211,7 +215,7 @@ class CacheDescriptor(object):
                 ret = ObservableDeferred(ret, consumeErrors=True)
                 self.cache.update(sequence, cache_key, ret)
 
-                return ret.observe()
+                return preserve_context_over_deferred(ret.observe())
 
         wrapped.invalidate = self.cache.invalidate
         wrapped.invalidate_all = self.cache.invalidate_all
@@ -250,7 +254,7 @@ class CacheListDescriptor(object):
         self.num_args = num_args
         self.list_name = list_name
 
-        self.arg_names = inspect.getargspec(orig).args[1:num_args+1]
+        self.arg_names = inspect.getargspec(orig).args[1:num_args + 1]
         self.list_pos = self.arg_names.index(self.list_name)
 
         self.cache = cache
@@ -299,6 +303,7 @@ class CacheListDescriptor(object):
                 args_to_call[self.list_name] = missing
 
                 ret_d = defer.maybeDeferred(
+                    preserve_context_over_fn,
                     self.function_to_call,
                     **args_to_call
                 )
@@ -308,6 +313,7 @@ class CacheListDescriptor(object):
                 # We need to create deferreds for each arg in the list so that
                 # we can insert the new deferred into the cache.
                 for arg in missing:
+                    with PreserveLoggingContext():
                         observer = ret_d.observe()
                     observer.addCallback(lambda r, arg: r.get(arg, None), arg)
 
@@ -327,10 +333,10 @@ class CacheListDescriptor(object):
 
                     cached[arg] = res
 
-            return defer.gatherResults(
+            return preserve_context_over_deferred(defer.gatherResults(
                 cached.values(),
                 consumeErrors=True,
-            ).addErrback(unwrapFirstError).addCallback(lambda res: dict(res))
+            ).addErrback(unwrapFirstError).addCallback(lambda res: dict(res)))
 
         obj.__dict__[self.orig.__name__] = wrapped
 

synapse/util/caches/expiringcache.py

@@ -55,7 +55,7 @@ class ExpiringCache(object):
         def f():
             self._prune_cache()
 
-        self._clock.looping_call(f, self._expiry_ms/2)
+        self._clock.looping_call(f, self._expiry_ms / 2)
 
     def __setitem__(self, key, value):
         now = self._clock.time_msec()

synapse/util/caches/snapshot_cache.py

@@ -87,7 +87,8 @@ class SnapshotCache(object):
             # expire from the rotation of that cache.
             self.next_result_cache[key] = result
             self.pending_result_cache.pop(key, None)
+            return r
 
-        result.observe().addBoth(shuffle_along)
+        result.addBoth(shuffle_along)
 
         return result.observe()

synapse/util/caches/stream_change_cache.py

@@ -32,7 +32,7 @@ class StreamChangeCache(object):
     entities that may have changed since that position. If position key is too
     old then the cache will simply return all given entities.
     """
-    def __init__(self, name, current_stream_pos, max_size=10000):
+    def __init__(self, name, current_stream_pos, max_size=10000, prefilled_cache={}):
         self._max_size = max_size
         self._entity_to_key = {}
         self._cache = sorteddict()
@@ -40,6 +40,9 @@ class StreamChangeCache(object):
         self.name = name
         caches_by_name[self.name] = self._cache
 
+        for entity, stream_pos in prefilled_cache.items():
+            self.entity_has_changed(entity, stream_pos)
+
     def has_entity_changed(self, entity, stream_pos):
         """Returns True if the entity may have been updated since stream_pos
         """
@@ -49,15 +52,10 @@ class StreamChangeCache(object):
             cache_counter.inc_misses(self.name)
             return True
 
-        if stream_pos == self._earliest_known_stream_pos:
-            # If the same as the earliest key, assume nothing has changed.
-            cache_counter.inc_hits(self.name)
-            return False
-
         latest_entity_change_pos = self._entity_to_key.get(entity, None)
         if latest_entity_change_pos is None:
-            cache_counter.inc_misses(self.name)
+            cache_counter.inc_hits(self.name)
-            return True
+            return False
 
         if stream_pos < latest_entity_change_pos:
             cache_counter.inc_misses(self.name)
@@ -95,7 +93,7 @@ class StreamChangeCache(object):
 
         if stream_pos > self._earliest_known_stream_pos:
             old_pos = self._entity_to_key.get(entity, None)
-            if old_pos:
+            if old_pos is not None:
                 stream_pos = max(stream_pos, old_pos)
                 self._cache.pop(old_pos, None)
             self._cache[stream_pos] = entity

synapse/util/caches/treecache.py

@@ -58,7 +58,7 @@ class TreeCache(object):
 
             if n:
                 break
-            node_and_keys[i+1][0].pop(k)
+            node_and_keys[i + 1][0].pop(k)
 
         popped, cnt = _strip_and_count_entires(popped)
         self.size -= cnt

synapse/util/distributor.py

@@ -15,9 +15,7 @@
 
 from twisted.internet import defer
 
-from synapse.util.logcontext import (
+from synapse.util.logcontext import PreserveLoggingContext
-    PreserveLoggingContext, preserve_context_over_deferred,
-)
 
 from synapse.util import unwrapFirstError
 
@@ -97,6 +95,7 @@ class Signal(object):
         Each observer callable may return a Deferred."""
         self.observers.append(observer)
 
+    @defer.inlineCallbacks
     def fire(self, *args, **kwargs):
         """Invokes every callable in the observer list, passing in the args and
         kwargs. Exceptions thrown by observers are logged but ignored. It is
@@ -116,6 +115,7 @@ class Signal(object):
                         failure.getTracebackObject()))
                 if not self.suppress_failures:
                     return failure
+
             return defer.maybeDeferred(observer, *args, **kwargs).addErrback(eb)
 
         with PreserveLoggingContext():
@@ -124,8 +124,11 @@ class Signal(object):
                 for observer in self.observers
             ]
 
-            d = defer.gatherResults(deferreds, consumeErrors=True)
+            res = yield defer.gatherResults(
+                deferreds, consumeErrors=True
+            ).addErrback(unwrapFirstError)
 
-        d.addErrback(unwrapFirstError)
+        defer.returnValue(res)
 
-        return preserve_context_over_deferred(d)
+    def __repr__(self):
+        return "<Signal name=%r>" % (self.name,)

synapse/util/logcontext.py

@@ -41,13 +41,14 @@ except:
 
 class LoggingContext(object):
     """Additional context for log formatting. Contexts are scoped within a
-    "with" block. Contexts inherit the state of their parent contexts.
+    "with" block.
     Args:
         name (str): Name for the context for debugging.
     """
 
     __slots__ = [
-        "parent_context", "name", "usage_start", "usage_end", "main_thread", "__dict__"
+        "previous_context", "name", "usage_start", "usage_end", "main_thread",
+        "__dict__", "tag", "alive",
     ]
 
     thread_local = threading.local()
@@ -72,10 +73,13 @@ class LoggingContext(object):
         def add_database_transaction(self, duration_ms):
             pass
 
+        def __nonzero__(self):
+            return False
+
     sentinel = Sentinel()
 
     def __init__(self, name=None):
-        self.parent_context = None
+        self.previous_context = LoggingContext.current_context()
         self.name = name
         self.ru_stime = 0.
         self.ru_utime = 0.
@@ -83,6 +87,8 @@ class LoggingContext(object):
         self.db_txn_duration = 0.
         self.usage_start = None
         self.main_thread = threading.current_thread()
+        self.tag = ""
+        self.alive = True
 
     def __str__(self):
         return "%s@%x" % (self.name, id(self))
@@ -101,6 +107,7 @@ class LoggingContext(object):
             The context that was previously active
         """
         current = cls.current_context()
+
         if current is not context:
             current.stop()
             cls.thread_local.current_context = context
@@ -109,9 +116,13 @@ class LoggingContext(object):
 
     def __enter__(self):
         """Enters this logging context into thread local storage"""
-        if self.parent_context is not None:
+        old_context = self.set_current_context(self)
-            raise Exception("Attempt to enter logging context multiple times")
+        if self.previous_context != old_context:
-        self.parent_context = self.set_current_context(self)
+            logger.warn(
+                "Expected previous context %r, found %r",
+                self.previous_context, old_context
+            )
+        self.alive = True
         return self
 
     def __exit__(self, type, value, traceback):
@@ -120,7 +131,7 @@ class LoggingContext(object):
         Returns:
             None to avoid suppressing any exeptions that were thrown.
         """
-        current = self.set_current_context(self.parent_context)
+        current = self.set_current_context(self.previous_context)
         if current is not self:
             if current is self.sentinel:
                 logger.debug("Expected logging context %s has been lost", self)
@@ -130,16 +141,11 @@ class LoggingContext(object):
                     current,
                     self
                 )
-        self.parent_context = None
+        self.previous_context = None
-
+        self.alive = False
-    def __getattr__(self, name):
-        """Delegate member lookup to parent context"""
-        return getattr(self.parent_context, name)
 
     def copy_to(self, record):
-        """Copy fields from this context and its parents to the record"""
+        """Copy fields from this context to the record"""
-        if self.parent_context is not None:
-            self.parent_context.copy_to(record)
         for key, value in self.__dict__.items():
             setattr(record, key, value)
 
@@ -208,7 +214,7 @@ class PreserveLoggingContext(object):
     exited. Used to restore the context after a function using
     @defer.inlineCallbacks is resumed by a callback from the reactor."""
 
-    __slots__ = ["current_context", "new_context"]
+    __slots__ = ["current_context", "new_context", "has_parent"]
 
     def __init__(self, new_context=LoggingContext.sentinel):
         self.new_context = new_context
@@ -219,12 +225,27 @@ class PreserveLoggingContext(object):
             self.new_context
         )
 
+        if self.current_context:
+            self.has_parent = self.current_context.previous_context is not None
+            if not self.current_context.alive:
+                logger.debug(
+                    "Entering dead context: %s",
+                    self.current_context,
+                )
+
     def __exit__(self, type, value, traceback):
         """Restores the current logging context"""
-        LoggingContext.set_current_context(self.current_context)
+        context = LoggingContext.set_current_context(self.current_context)
+
+        if context != self.new_context:
+            logger.debug(
+                "Unexpected logging context: %s is not %s",
+                context, self.new_context,
+            )
+
         if self.current_context is not LoggingContext.sentinel:
-            if self.current_context.parent_context is None:
+            if not self.current_context.alive:
-                logger.warn(
+                logger.debug(
                     "Restoring dead context: %s",
                     self.current_context,
                 )
@@ -284,3 +305,74 @@ def preserve_context_over_deferred(deferred):
     d = _PreservingContextDeferred(current_context)
     deferred.chainDeferred(d)
     return d
+
+
+def preserve_fn(f):
+    """Ensures that function is called with correct context and that context is
+    restored after return. Useful for wrapping functions that return a deferred
+    which you don't yield on.
+    """
+    current = LoggingContext.current_context()
+
+    def g(*args, **kwargs):
+        with PreserveLoggingContext(current):
+            return f(*args, **kwargs)
+
+    return g
+
+
+# modules to ignore in `logcontext_tracer`
+_to_ignore = [
+    "synapse.util.logcontext",
+    "synapse.http.server",
+    "synapse.storage._base",
+    "synapse.util.async",
+]
+
+
+def logcontext_tracer(frame, event, arg):
+    """A tracer that logs whenever a logcontext "unexpectedly" changes within
+    a function. Probably inaccurate.
+
+    Use by calling `sys.settrace(logcontext_tracer)` in the main thread.
+    """
+    if event == 'call':
+        name = frame.f_globals["__name__"]
+        if name.startswith("synapse"):
+            if name == "synapse.util.logcontext":
+                if frame.f_code.co_name in ["__enter__", "__exit__"]:
+                    tracer = frame.f_back.f_trace
+                    if tracer:
+                        tracer.just_changed = True
+
+            tracer = frame.f_trace
+            if tracer:
+                return tracer
+
+            if not any(name.startswith(ig) for ig in _to_ignore):
+                return LineTracer()
+
+
+class LineTracer(object):
+    __slots__ = ["context", "just_changed"]
+
+    def __init__(self):
+        self.context = LoggingContext.current_context()
+        self.just_changed = False
+
+    def __call__(self, frame, event, arg):
+        if event in 'line':
+            if self.just_changed:
+                self.context = LoggingContext.current_context()
+                self.just_changed = False
+            else:
+                c = LoggingContext.current_context()
+                if c != self.context:
+                    logger.info(
+                        "Context changed! %s -> %s, %s, %s",
+                        self.context, c,
+                        frame.f_code.co_filename, frame.f_lineno
+                    )
+                    self.context = c
+
+        return self

synapse/util/logutils.py

@@ -111,7 +111,7 @@ def time_function(f):
             _log_debug_as_f(
                 f,
                 "[FUNC END] {%s-%d} %f",
-                (func_name, id, end-start,),
+                (func_name, id, end - start,),
             )
 
         return r
@@ -168,3 +168,38 @@ def trace_function(f):
 
     wrapped.__name__ = func_name
     return wrapped
+
+
+def get_previous_frames():
+    s = inspect.currentframe().f_back.f_back
+    to_return = []
+    while s:
+        if s.f_globals["__name__"].startswith("synapse"):
+            filename, lineno, function, _, _ = inspect.getframeinfo(s)
+            args_string = inspect.formatargvalues(*inspect.getargvalues(s))
+
+            to_return.append("{{  %s:%d %s - Args: %s }}" % (
+                filename, lineno, function, args_string
+            ))
+
+        s = s.f_back
+
+    return ", ". join(to_return)
+
+
+def get_previous_frame(ignore=[]):
+    s = inspect.currentframe().f_back.f_back
+
+    while s:
+        if s.f_globals["__name__"].startswith("synapse"):
+            if not any(s.f_globals["__name__"].startswith(ig) for ig in ignore):
+                filename, lineno, function, _, _ = inspect.getframeinfo(s)
+                args_string = inspect.formatargvalues(*inspect.getargvalues(s))
+
+                return "{{  %s:%d %s - Args: %s }}" % (
+                    filename, lineno, function, args_string
+                )
+
+        s = s.f_back
+
+    return None

synapse/util/metrics.py

@@ -0,0 +1,97 @@
+# -*- 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 synapse.util.logcontext import LoggingContext
+import synapse.metrics
+
+import logging
+
+
+logger = logging.getLogger(__name__)
+
+
+metrics = synapse.metrics.get_metrics_for(__name__)
+
+block_timer = metrics.register_distribution(
+    "block_timer",
+    labels=["block_name"]
+)
+
+block_ru_utime = metrics.register_distribution(
+    "block_ru_utime", labels=["block_name"]
+)
+
+block_ru_stime = metrics.register_distribution(
+    "block_ru_stime", labels=["block_name"]
+)
+
+block_db_txn_count = metrics.register_distribution(
+    "block_db_txn_count", labels=["block_name"]
+)
+
+block_db_txn_duration = metrics.register_distribution(
+    "block_db_txn_duration", labels=["block_name"]
+)
+
+
+class Measure(object):
+    __slots__ = [
+        "clock", "name", "start_context", "start", "new_context", "ru_utime",
+        "ru_stime", "db_txn_count", "db_txn_duration"
+    ]
+
+    def __init__(self, clock, name):
+        self.clock = clock
+        self.name = name
+        self.start_context = None
+        self.start = None
+
+    def __enter__(self):
+        self.start = self.clock.time_msec()
+        self.start_context = LoggingContext.current_context()
+        if self.start_context:
+            self.ru_utime, self.ru_stime = self.start_context.get_resource_usage()
+            self.db_txn_count = self.start_context.db_txn_count
+            self.db_txn_duration = self.start_context.db_txn_duration
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        if exc_type is not None or not self.start_context:
+            return
+
+        duration = self.clock.time_msec() - self.start
+        block_timer.inc_by(duration, self.name)
+
+        context = LoggingContext.current_context()
+
+        if context != self.start_context:
+            logger.warn(
+                "Context have unexpectedly changed from '%s' to '%s'. (%r)",
+                context, self.start_context, self.name
+            )
+            return
+
+        if not context:
+            logger.warn("Expected context. (%r)", self.name)
+            return
+
+        ru_utime, ru_stime = context.get_resource_usage()
+
+        block_ru_utime.inc_by(ru_utime - self.ru_utime, self.name)
+        block_ru_stime.inc_by(ru_stime - self.ru_stime, self.name)
+        block_db_txn_count.inc_by(context.db_txn_count - self.db_txn_count, self.name)
+        block_db_txn_duration.inc_by(
+            context.db_txn_duration - self.db_txn_duration, self.name
+        )

synapse/util/ratelimitutils.py

@@ -18,6 +18,7 @@ from twisted.internet import defer
 from synapse.api.errors import LimitExceededError
 
 from synapse.util.async import sleep
+from synapse.util.logcontext import preserve_fn
 
 import collections
 import contextlib
@@ -163,7 +164,7 @@ class _PerHostRatelimiter(object):
                 "Ratelimit [%s]: sleeping req",
                 id(request_id),
             )
-            ret_defer = sleep(self.sleep_msec/1000.0)
+            ret_defer = preserve_fn(sleep)(self.sleep_msec / 1000.0)
 
             self.sleeping_requests.add(request_id)
 

tests/config/__init__.py

@@ -0,0 +1,14 @@
+# -*- 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.

tests/config/test_generate.py

@@ -0,0 +1,50 @@
+# -*- 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 os.path
+import shutil
+import tempfile
+from synapse.config.homeserver import HomeServerConfig
+from tests import unittest
+
+
+class ConfigGenerationTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.dir = tempfile.mkdtemp()
+        print self.dir
+        self.file = os.path.join(self.dir, "homeserver.yaml")
+
+    def tearDown(self):
+        shutil.rmtree(self.dir)
+
+    def test_generate_config_generates_files(self):
+        HomeServerConfig.load_config("", [
+            "--generate-config",
+            "-c", self.file,
+            "--report-stats=yes",
+            "-H", "lemurs.win"
+        ])
+
+        self.assertSetEqual(
+            set([
+                "homeserver.yaml",
+                "lemurs.win.log.config",
+                "lemurs.win.signing.key",
+                "lemurs.win.tls.crt",
+                "lemurs.win.tls.dh",
+                "lemurs.win.tls.key",
+            ]),
+            set(os.listdir(self.dir))
+        )

tests/config/test_load.py

@@ -0,0 +1,78 @@
+# -*- 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 os.path
+import shutil
+import tempfile
+import yaml
+from synapse.config.homeserver import HomeServerConfig
+from tests import unittest
+
+
+class ConfigLoadingTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.dir = tempfile.mkdtemp()
+        print self.dir
+        self.file = os.path.join(self.dir, "homeserver.yaml")
+
+    def tearDown(self):
+        shutil.rmtree(self.dir)
+
+    def test_load_fails_if_server_name_missing(self):
+        self.generate_config_and_remove_lines_containing("server_name")
+        with self.assertRaises(Exception):
+            HomeServerConfig.load_config("", ["-c", self.file])
+
+    def test_generates_and_loads_macaroon_secret_key(self):
+        self.generate_config()
+
+        with open(self.file,
+                  "r") as f:
+            raw = yaml.load(f)
+        self.assertIn("macaroon_secret_key", raw)
+
+        config = HomeServerConfig.load_config("", ["-c", self.file])
+        self.assertTrue(
+            hasattr(config, "macaroon_secret_key"),
+            "Want config to have attr macaroon_secret_key"
+        )
+        if len(config.macaroon_secret_key) < 5:
+            self.fail(
+                "Want macaroon secret key to be string of at least length 5,"
+                "was: %r" % (config.macaroon_secret_key,)
+            )
+
+    def test_load_succeeds_if_macaroon_secret_key_missing(self):
+        self.generate_config_and_remove_lines_containing("macaroon")
+        config1 = HomeServerConfig.load_config("", ["-c", self.file])
+        config2 = HomeServerConfig.load_config("", ["-c", self.file])
+        self.assertEqual(config1.macaroon_secret_key, config2.macaroon_secret_key)
+
+    def generate_config(self):
+        HomeServerConfig.load_config("", [
+            "--generate-config",
+            "-c", self.file,
+            "--report-stats=yes",
+            "-H", "lemurs.win"
+        ])
+
+    def generate_config_and_remove_lines_containing(self, needle):
+        self.generate_config()
+
+        with open(self.file, "r") as f:
+            contents = f.readlines()
+        contents = [l for l in contents if needle not in l]
+        with open(self.file, "w") as f:
+            f.write("".join(contents))

tests/rest/client/v1/test_events.py

@@ -122,7 +122,7 @@ class EventStreamPermissionsTestCase(RestTestCase):
         self.ratelimiter = hs.get_ratelimiter()
         self.ratelimiter.send_message.return_value = (True, 0)
         hs.config.enable_registration_captcha = False
-        hs.config.disable_registration = False
+        hs.config.enable_registration = True
 
         hs.get_handlers().federation_handler = Mock()
 

tests/rest/client/v2_alpha/test_register.py

@@ -41,7 +41,7 @@ class RegisterRestServletTestCase(unittest.TestCase):
         self.hs.hostname = "superbig~testing~thing.com"
         self.hs.get_auth = Mock(return_value=self.auth)
         self.hs.get_handlers = Mock(return_value=self.handlers)
-        self.hs.config.disable_registration = False
+        self.hs.config.enable_registration = True
 
         # init the thing we're testing
         self.servlet = RegisterRestServlet(self.hs)
@@ -120,7 +120,7 @@ class RegisterRestServletTestCase(unittest.TestCase):
         }))
 
     def test_POST_disabled_registration(self):
-        self.hs.config.disable_registration = True
+        self.hs.config.enable_registration = False
         self.request_data = json.dumps({
             "username": "kermit",
             "password": "monkey"

tests/storage/test_room.py

@@ -51,32 +51,6 @@ class RoomStoreTestCase(unittest.TestCase):
             (yield self.store.get_room(self.room.to_string()))
         )
 
-    @defer.inlineCallbacks
-    def test_get_rooms(self):
-        # get_rooms does an INNER JOIN on the room_aliases table :(
-
-        rooms = yield self.store.get_rooms(is_public=True)
-        # Should be empty before we add the alias
-        self.assertEquals([], rooms)
-
-        yield self.store.create_room_alias_association(
-            room_alias=self.alias,
-            room_id=self.room.to_string(),
-            servers=["test"]
-        )
-
-        rooms = yield self.store.get_rooms(is_public=True)
-
-        self.assertEquals(1, len(rooms))
-        self.assertEquals({
-            "name": None,
-            "room_id": self.room.to_string(),
-            "topic": None,
-            "aliases": [self.alias.to_string()],
-            "world_readable": False,
-            "guest_can_join": False,
-        }, rooms[0])
-
 
 class RoomEventsStoreTestCase(unittest.TestCase):
 

tests/util/test_log_context.py

@@ -5,6 +5,7 @@ from .. import unittest
 from synapse.util.async import sleep
 from synapse.util.logcontext import LoggingContext
 
+
 class LoggingContextTestCase(unittest.TestCase):
 
     def _check_test_key(self, value):
@@ -17,15 +18,6 @@ class LoggingContextTestCase(unittest.TestCase):
             context_one.test_key = "test"
             self._check_test_key("test")
 
-    def test_chaining(self):
-        with LoggingContext() as context_one:
-            context_one.test_key = "one"
-            with LoggingContext() as context_two:
-                self._check_test_key("one")
-                context_two.test_key = "two"
-                self._check_test_key("two")
-            self._check_test_key("one")
-
     @defer.inlineCallbacks
     def test_sleep(self):
         @defer.inlineCallbacks

tests/utils.py

@@ -46,9 +46,10 @@ def setup_test_homeserver(name="test", datastore=None, config=None, **kargs):
         config = Mock()
         config.signing_key = [MockKey()]
         config.event_cache_size = 1
-        config.disable_registration = False
+        config.enable_registration = True
         config.macaroon_secret_key = "not even a little secret"
         config.server_name = "server.under.test"
+        config.trusted_third_party_id_servers = []
 
     if "clock" not in kargs:
         kargs["clock"] = MockClock()

tox.ini

@@ -11,7 +11,7 @@ deps =
 setenv =
     PYTHONDONTWRITEBYTECODE = no_byte_code
 commands =
-    /bin/bash -c "coverage run {env:COVERAGE_OPTS:} --source={toxinidir}/synapse \
+    /bin/bash -c "find {toxinidir} -name '*.pyc' -delete ; coverage run {env:COVERAGE_OPTS:} --source={toxinidir}/synapse \
         {envbindir}/trial {env:TRIAL_FLAGS:} {posargs:tests} {env:TOXSUFFIX:}"
     {env:DUMP_COVERAGE_COMMAND:coverage report -m}