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-rw-r--r--synapse/app/appservice.py209
-rw-r--r--synapse/config/appservice.py1
-rw-r--r--synapse/handlers/appservice.py89
-rw-r--r--synapse/replication/slave/storage/appservice.py10
-rw-r--r--synapse/replication/slave/storage/registration.py3
-rw-r--r--synapse/storage/appservice.py145
-rw-r--r--synapse/storage/registration.py33
7 files changed, 367 insertions, 123 deletions
diff --git a/synapse/app/appservice.py b/synapse/app/appservice.py
new file mode 100644
index 0000000000..57587aed25
--- /dev/null
+++ b/synapse/app/appservice.py
@@ -0,0 +1,209 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright 2016 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import synapse
+
+from synapse.server import HomeServer
+from synapse.config._base import ConfigError
+from synapse.config.logger import setup_logging
+from synapse.config.homeserver import HomeServerConfig
+from synapse.http.site import SynapseSite
+from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
+from synapse.replication.slave.storage.directory import DirectoryStore
+from synapse.replication.slave.storage.events import SlavedEventStore
+from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
+from synapse.replication.slave.storage.registration import SlavedRegistrationStore
+from synapse.storage.engines import create_engine
+from synapse.util.async import sleep
+from synapse.util.httpresourcetree import create_resource_tree
+from synapse.util.logcontext import LoggingContext
+from synapse.util.manhole import manhole
+from synapse.util.rlimit import change_resource_limit
+from synapse.util.versionstring import get_version_string
+
+from twisted.internet import reactor, defer
+from twisted.web.resource import Resource
+
+from daemonize import Daemonize
+
+import sys
+import logging
+import gc
+
+logger = logging.getLogger("synapse.app.appservice")
+
+
+class AppserviceSlaveStore(
+    DirectoryStore, SlavedEventStore, SlavedApplicationServiceStore,
+    SlavedRegistrationStore,
+):
+    pass
+
+
+class AppserviceServer(HomeServer):
+    def get_db_conn(self, run_new_connection=True):
+        # Any param beginning with cp_ is a parameter for adbapi, and should
+        # not be passed to the database engine.
+        db_params = {
+            k: v for k, v in self.db_config.get("args", {}).items()
+            if not k.startswith("cp_")
+        }
+        db_conn = self.database_engine.module.connect(**db_params)
+
+        if run_new_connection:
+            self.database_engine.on_new_connection(db_conn)
+        return db_conn
+
+    def setup(self):
+        logger.info("Setting up.")
+        self.datastore = AppserviceSlaveStore(self.get_db_conn(), self)
+        logger.info("Finished setting up.")
+
+    def _listen_http(self, listener_config):
+        port = listener_config["port"]
+        bind_address = listener_config.get("bind_address", "")
+        site_tag = listener_config.get("tag", port)
+        resources = {}
+        for res in listener_config["resources"]:
+            for name in res["names"]:
+                if name == "metrics":
+                    resources[METRICS_PREFIX] = MetricsResource(self)
+
+        root_resource = create_resource_tree(resources, Resource())
+        reactor.listenTCP(
+            port,
+            SynapseSite(
+                "synapse.access.http.%s" % (site_tag,),
+                site_tag,
+                listener_config,
+                root_resource,
+            ),
+            interface=bind_address
+        )
+        logger.info("Synapse appservice now listening on port %d", port)
+
+    def start_listening(self, listeners):
+        for listener in listeners:
+            if listener["type"] == "http":
+                self._listen_http(listener)
+            elif listener["type"] == "manhole":
+                reactor.listenTCP(
+                    listener["port"],
+                    manhole(
+                        username="matrix",
+                        password="rabbithole",
+                        globals={"hs": self},
+                    ),
+                    interface=listener.get("bind_address", '127.0.0.1')
+                )
+            else:
+                logger.warn("Unrecognized listener type: %s", listener["type"])
+
+    @defer.inlineCallbacks
+    def replicate(self):
+        http_client = self.get_simple_http_client()
+        store = self.get_datastore()
+        replication_url = self.config.worker_replication_url
+        appservice_handler = self.get_application_service_handler()
+
+        @defer.inlineCallbacks
+        def replicate(results):
+            stream = results.get("events")
+            if stream:
+                max_stream_id = stream["position"]
+                yield appservice_handler.notify_interested_services(max_stream_id)
+
+        while True:
+            try:
+                args = store.stream_positions()
+                args["timeout"] = 30000
+                result = yield http_client.get_json(replication_url, args=args)
+                yield store.process_replication(result)
+                replicate(result)
+            except:
+                logger.exception("Error replicating from %r", replication_url)
+                yield sleep(30)
+
+
+def start(config_options):
+    try:
+        config = HomeServerConfig.load_config(
+            "Synapse appservice", config_options
+        )
+    except ConfigError as e:
+        sys.stderr.write("\n" + e.message + "\n")
+        sys.exit(1)
+
+    assert config.worker_app == "synapse.app.appservice"
+
+    setup_logging(config.worker_log_config, config.worker_log_file)
+
+    database_engine = create_engine(config.database_config)
+
+    if config.notify_appservices:
+        sys.stderr.write(
+            "\nThe appservices must be disabled in the main synapse process"
+            "\nbefore they can be run in a separate worker."
+            "\nPlease add ``notify_appservices: false`` to the main config"
+            "\n"
+        )
+        sys.exit(1)
+
+    # Force the pushers to start since they will be disabled in the main config
+    config.notify_appservices = True
+
+    ps = AppserviceServer(
+        config.server_name,
+        db_config=config.database_config,
+        config=config,
+        version_string="Synapse/" + get_version_string(synapse),
+        database_engine=database_engine,
+    )
+
+    ps.setup()
+    ps.start_listening(config.worker_listeners)
+
+    def run():
+        with LoggingContext("run"):
+            logger.info("Running")
+            change_resource_limit(config.soft_file_limit)
+            if config.gc_thresholds:
+                gc.set_threshold(*config.gc_thresholds)
+            reactor.run()
+
+    def start():
+        ps.replicate()
+        ps.get_datastore().start_profiling()
+
+    reactor.callWhenRunning(start)
+
+    if config.worker_daemonize:
+        daemon = Daemonize(
+            app="synapse-appservice",
+            pid=config.worker_pid_file,
+            action=run,
+            auto_close_fds=False,
+            verbose=True,
+            logger=logger,
+        )
+        daemon.start()
+    else:
+        run()
+
+
+if __name__ == '__main__':
+    with LoggingContext("main"):
+        start(sys.argv[1:])
diff --git a/synapse/config/appservice.py b/synapse/config/appservice.py
index 3184d2084c..dfe43b0b4c 100644
--- a/synapse/config/appservice.py
+++ b/synapse/config/appservice.py
@@ -28,6 +28,7 @@ class AppServiceConfig(Config):
 
     def read_config(self, config):
         self.app_service_config_files = config.get("app_service_config_files", [])
+        self.notify_appservices = config.get("notify_appservices", True)
 
     def default_config(cls, **kwargs):
         return """\
diff --git a/synapse/handlers/appservice.py b/synapse/handlers/appservice.py
index 18dca462a9..dd285452cd 100644
--- a/synapse/handlers/appservice.py
+++ b/synapse/handlers/appservice.py
@@ -44,6 +44,10 @@ class ApplicationServicesHandler(object):
         self.scheduler = hs.get_application_service_scheduler()
         self.started_scheduler = False
         self.clock = hs.get_clock()
+        self.notify_appservices = hs.config.notify_appservices
+
+        self.current_max = 0
+        self.is_processing = False
 
     @defer.inlineCallbacks
     def notify_interested_services(self, current_id):
@@ -56,47 +60,56 @@ class ApplicationServicesHandler(object):
             current_id(int): The current maximum ID.
         """
         services = yield self.store.get_app_services()
-        if not services:
+        if not services or not self.notify_appservices:
             return
 
-        with Measure(self.clock, "notify_interested_services"):
-            upper_bound = current_id
-            limit = 100
-            while True:
-                upper_bound, events = yield self.store.get_new_events_for_appservice(
-                    upper_bound, limit
-                )
-
-                logger.info("Current_id: %r, upper_bound: %r", current_id, upper_bound)
-
-                if not events:
-                    break
-
-                for event in events:
-                    # Gather interested services
-                    services = yield self._get_services_for_event(event)
-                    if len(services) == 0:
-                        continue  # no services need notifying
-
-                    # Do we know this user exists? If not, poke the user query API for
-                    # all services which match that user regex. This needs to block as
-                    # these user queries need to be made BEFORE pushing the event.
-                    yield self._check_user_exists(event.sender)
-                    if event.type == EventTypes.Member:
-                        yield self._check_user_exists(event.state_key)
-
-                    if not self.started_scheduler:
-                        self.scheduler.start().addErrback(log_failure)
-                        self.started_scheduler = True
-
-                    # Fork off pushes to these services
-                    for service in services:
-                        preserve_fn(self.scheduler.submit_event_for_as)(service, event)
-
-                yield self.store.set_appservice_last_pos(upper_bound)
+        self.current_max = max(self.current_max, current_id)
+        if self.is_processing:
+            return
 
-                if len(events) < limit:
-                    break
+        with Measure(self.clock, "notify_interested_services"):
+            self.is_processing = True
+            try:
+                upper_bound = self.current_max
+                limit = 100
+                while True:
+                    upper_bound, events = yield self.store.get_new_events_for_appservice(
+                        upper_bound, limit
+                    )
+
+                    if not events:
+                        break
+
+                    for event in events:
+                        # Gather interested services
+                        services = yield self._get_services_for_event(event)
+                        if len(services) == 0:
+                            continue  # no services need notifying
+
+                        # Do we know this user exists? If not, poke the user
+                        # query API for all services which match that user regex.
+                        # This needs to block as these user queries need to be
+                        # made BEFORE pushing the event.
+                        yield self._check_user_exists(event.sender)
+                        if event.type == EventTypes.Member:
+                            yield self._check_user_exists(event.state_key)
+
+                        if not self.started_scheduler:
+                            self.scheduler.start().addErrback(log_failure)
+                            self.started_scheduler = True
+
+                        # Fork off pushes to these services
+                        for service in services:
+                            preserve_fn(self.scheduler.submit_event_for_as)(
+                                service, event
+                            )
+
+                    yield self.store.set_appservice_last_pos(upper_bound)
+
+                    if len(events) < limit:
+                        break
+            finally:
+                self.is_processing = False
 
     @defer.inlineCallbacks
     def query_user_exists(self, user_id):
diff --git a/synapse/replication/slave/storage/appservice.py b/synapse/replication/slave/storage/appservice.py
index 25792d9429..a374f2f1a2 100644
--- a/synapse/replication/slave/storage/appservice.py
+++ b/synapse/replication/slave/storage/appservice.py
@@ -28,3 +28,13 @@ class SlavedApplicationServiceStore(BaseSlavedStore):
 
     get_app_service_by_token = DataStore.get_app_service_by_token.__func__
     get_app_service_by_user_id = DataStore.get_app_service_by_user_id.__func__
+    get_app_services = DataStore.get_app_services.__func__
+    get_new_events_for_appservice = DataStore.get_new_events_for_appservice.__func__
+    create_appservice_txn = DataStore.create_appservice_txn.__func__
+    get_appservices_by_state = DataStore.get_appservices_by_state.__func__
+    get_oldest_unsent_txn = DataStore.get_oldest_unsent_txn.__func__
+    _get_last_txn = DataStore._get_last_txn.__func__
+    complete_appservice_txn = DataStore.complete_appservice_txn.__func__
+    get_appservice_state = DataStore.get_appservice_state.__func__
+    set_appservice_last_pos = DataStore.set_appservice_last_pos.__func__
+    set_appservice_state = DataStore.set_appservice_state.__func__
diff --git a/synapse/replication/slave/storage/registration.py b/synapse/replication/slave/storage/registration.py
index 38b78b97fc..e27c7332d2 100644
--- a/synapse/replication/slave/storage/registration.py
+++ b/synapse/replication/slave/storage/registration.py
@@ -28,3 +28,6 @@ class SlavedRegistrationStore(BaseSlavedStore):
     ]
 
     _query_for_auth = DataStore._query_for_auth.__func__
+    get_user_by_id = RegistrationStore.__dict__[
+        "get_user_by_id"
+    ]
diff --git a/synapse/storage/appservice.py b/synapse/storage/appservice.py
index f0c88e05cd..b496b918b7 100644
--- a/synapse/storage/appservice.py
+++ b/synapse/storage/appservice.py
@@ -218,38 +218,37 @@ class ApplicationServiceTransactionStore(SQLBaseStore):
         Returns:
             AppServiceTransaction: A new transaction.
         """
-        return self.runInteraction(
-            "create_appservice_txn",
-            self._create_appservice_txn,
-            service, events
-        )
+        def _create_appservice_txn(txn):
+            # work out new txn id (highest txn id for this service += 1)
+            # The highest id may be the last one sent (in which case it is last_txn)
+            # or it may be the highest in the txns list (which are waiting to be/are
+            # being sent)
+            last_txn_id = self._get_last_txn(txn, service.id)
 
-    def _create_appservice_txn(self, txn, service, events):
-        # work out new txn id (highest txn id for this service += 1)
-        # The highest id may be the last one sent (in which case it is last_txn)
-        # or it may be the highest in the txns list (which are waiting to be/are
-        # being sent)
-        last_txn_id = self._get_last_txn(txn, service.id)
+            txn.execute(
+                "SELECT MAX(txn_id) FROM application_services_txns WHERE as_id=?",
+                (service.id,)
+            )
+            highest_txn_id = txn.fetchone()[0]
+            if highest_txn_id is None:
+                highest_txn_id = 0
 
-        txn.execute(
-            "SELECT MAX(txn_id) FROM application_services_txns WHERE as_id=?",
-            (service.id,)
-        )
-        highest_txn_id = txn.fetchone()[0]
-        if highest_txn_id is None:
-            highest_txn_id = 0
+            new_txn_id = max(highest_txn_id, last_txn_id) + 1
 
-        new_txn_id = max(highest_txn_id, last_txn_id) + 1
+            # Insert new txn into txn table
+            event_ids = json.dumps([e.event_id for e in events])
+            txn.execute(
+                "INSERT INTO application_services_txns(as_id, txn_id, event_ids) "
+                "VALUES(?,?,?)",
+                (service.id, new_txn_id, event_ids)
+            )
+            return AppServiceTransaction(
+                service=service, id=new_txn_id, events=events
+            )
 
-        # Insert new txn into txn table
-        event_ids = json.dumps([e.event_id for e in events])
-        txn.execute(
-            "INSERT INTO application_services_txns(as_id, txn_id, event_ids) "
-            "VALUES(?,?,?)",
-            (service.id, new_txn_id, event_ids)
-        )
-        return AppServiceTransaction(
-            service=service, id=new_txn_id, events=events
+        return self.runInteraction(
+            "create_appservice_txn",
+            _create_appservice_txn,
         )
 
     def complete_appservice_txn(self, txn_id, service):
@@ -263,39 +262,38 @@ class ApplicationServiceTransactionStore(SQLBaseStore):
             A Deferred which resolves if this transaction was stored
             successfully.
         """
-        return self.runInteraction(
-            "complete_appservice_txn",
-            self._complete_appservice_txn,
-            txn_id, service
-        )
-
-    def _complete_appservice_txn(self, txn, txn_id, service):
         txn_id = int(txn_id)
 
-        # Debugging query: Make sure the txn being completed is EXACTLY +1 from
-        # what was there before. If it isn't, we've got problems (e.g. the AS
-        # has probably missed some events), so whine loudly but still continue,
-        # since it shouldn't fail completion of the transaction.
-        last_txn_id = self._get_last_txn(txn, service.id)
-        if (last_txn_id + 1) != txn_id:
-            logger.error(
-                "appservice: Completing a transaction which has an ID > 1 from "
-                "the last ID sent to this AS. We've either dropped events or "
-                "sent it to the AS out of order. FIX ME. last_txn=%s "
-                "completing_txn=%s service_id=%s", last_txn_id, txn_id,
-                service.id
+        def _complete_appservice_txn(txn):
+            # Debugging query: Make sure the txn being completed is EXACTLY +1 from
+            # what was there before. If it isn't, we've got problems (e.g. the AS
+            # has probably missed some events), so whine loudly but still continue,
+            # since it shouldn't fail completion of the transaction.
+            last_txn_id = self._get_last_txn(txn, service.id)
+            if (last_txn_id + 1) != txn_id:
+                logger.error(
+                    "appservice: Completing a transaction which has an ID > 1 from "
+                    "the last ID sent to this AS. We've either dropped events or "
+                    "sent it to the AS out of order. FIX ME. last_txn=%s "
+                    "completing_txn=%s service_id=%s", last_txn_id, txn_id,
+                    service.id
+                )
+
+            # Set current txn_id for AS to 'txn_id'
+            self._simple_upsert_txn(
+                txn, "application_services_state", dict(as_id=service.id),
+                dict(last_txn=txn_id)
             )
 
-        # Set current txn_id for AS to 'txn_id'
-        self._simple_upsert_txn(
-            txn, "application_services_state", dict(as_id=service.id),
-            dict(last_txn=txn_id)
-        )
+            # Delete txn
+            self._simple_delete_txn(
+                txn, "application_services_txns",
+                dict(txn_id=txn_id, as_id=service.id)
+            )
 
-        # Delete txn
-        self._simple_delete_txn(
-            txn, "application_services_txns",
-            dict(txn_id=txn_id, as_id=service.id)
+        return self.runInteraction(
+            "complete_appservice_txn",
+            _complete_appservice_txn,
         )
 
     @defer.inlineCallbacks
@@ -309,10 +307,25 @@ class ApplicationServiceTransactionStore(SQLBaseStore):
             A Deferred which resolves to an AppServiceTransaction or
             None.
         """
+        def _get_oldest_unsent_txn(txn):
+            # Monotonically increasing txn ids, so just select the smallest
+            # one in the txns table (we delete them when they are sent)
+            txn.execute(
+                "SELECT * FROM application_services_txns WHERE as_id=?"
+                " ORDER BY txn_id ASC LIMIT 1",
+                (service.id,)
+            )
+            rows = self.cursor_to_dict(txn)
+            if not rows:
+                return None
+
+            entry = rows[0]
+
+            return entry
+
         entry = yield self.runInteraction(
             "get_oldest_unsent_appservice_txn",
-            self._get_oldest_unsent_txn,
-            service
+            _get_oldest_unsent_txn,
         )
 
         if not entry:
@@ -326,22 +339,6 @@ class ApplicationServiceTransactionStore(SQLBaseStore):
             service=service, id=entry["txn_id"], events=events
         ))
 
-    def _get_oldest_unsent_txn(self, txn, service):
-        # Monotonically increasing txn ids, so just select the smallest
-        # one in the txns table (we delete them when they are sent)
-        txn.execute(
-            "SELECT * FROM application_services_txns WHERE as_id=?"
-            " ORDER BY txn_id ASC LIMIT 1",
-            (service.id,)
-        )
-        rows = self.cursor_to_dict(txn)
-        if not rows:
-            return None
-
-        entry = rows[0]
-
-        return entry
-
     def _get_last_txn(self, txn, service_id):
         txn.execute(
             "SELECT last_txn FROM application_services_state WHERE as_id=?",
diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index 19cb3b31c6..e404fa72de 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -93,7 +93,6 @@ class RegistrationStore(background_updates.BackgroundUpdateStore):
             desc="add_refresh_token_to_user",
         )
 
-    @defer.inlineCallbacks
     def register(self, user_id, token=None, password_hash=None,
                  was_guest=False, make_guest=False, appservice_id=None,
                  create_profile_with_localpart=None, admin=False):
@@ -115,7 +114,7 @@ class RegistrationStore(background_updates.BackgroundUpdateStore):
         Raises:
             StoreError if the user_id could not be registered.
         """
-        yield self.runInteraction(
+        return self.runInteraction(
             "register",
             self._register,
             user_id,
@@ -127,8 +126,6 @@ class RegistrationStore(background_updates.BackgroundUpdateStore):
             create_profile_with_localpart,
             admin
         )
-        self.get_user_by_id.invalidate((user_id,))
-        self.is_guest.invalidate((user_id,))
 
     def _register(
         self,
@@ -210,6 +207,11 @@ class RegistrationStore(background_updates.BackgroundUpdateStore):
                 (create_profile_with_localpart,)
             )
 
+        self._invalidate_cache_and_stream(
+            txn, self.get_user_by_id, (user_id,)
+        )
+        txn.call_after(self.is_guest.invalidate, (user_id,))
+
     @cached()
     def get_user_by_id(self, user_id):
         return self._simple_select_one(
@@ -236,19 +238,28 @@ class RegistrationStore(background_updates.BackgroundUpdateStore):
 
         return self.runInteraction("get_users_by_id_case_insensitive", f)
 
-    @defer.inlineCallbacks
     def user_set_password_hash(self, user_id, password_hash):
         """
         NB. This does *not* evict any cache because the one use for this
             removes most of the entries subsequently anyway so it would be
             pointless. Use flush_user separately.
         """
-        yield self._simple_update_one('users', {
-            'name': user_id
-        }, {
-            'password_hash': password_hash
-        })
-        self.get_user_by_id.invalidate((user_id,))
+        def user_set_password_hash_txn(txn):
+            self._simple_update_one_txn(
+                txn,
+                'users', {
+                    'name': user_id
+                },
+                {
+                    'password_hash': password_hash
+                }
+            )
+            self._invalidate_cache_and_stream(
+                txn, self.get_user_by_id, (user_id,)
+            )
+        return self.runInteraction(
+            "user_set_password_hash", user_set_password_hash_txn
+        )
 
     @defer.inlineCallbacks
     def user_delete_access_tokens(self, user_id, except_token_id=None,