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authorPatrick Cloke <clokep@users.noreply.github.com>2020-07-30 07:27:39 -0400
committerGitHub <noreply@github.com>2020-07-30 07:27:39 -0400
commit4cce8ef74ec233d8e49361bee705f2e38de2e11e (patch)
tree350a0b76a92808ad123e2276ed40a8c79d161e4c /synapse/appservice
parentConvert some of the data store to async. (#7976) (diff)
downloadsynapse-4cce8ef74ec233d8e49361bee705f2e38de2e11e.tar.xz
Convert appservice to async. (#7973)
Diffstat (limited to 'synapse/appservice')
-rw-r--r--synapse/appservice/__init__.py31
-rw-r--r--synapse/appservice/api.py21
-rw-r--r--synapse/appservice/scheduler.py49
3 files changed, 41 insertions, 60 deletions
diff --git a/synapse/appservice/__init__.py b/synapse/appservice/__init__.py
index 0323256472..1ffdc1ed95 100644
--- a/synapse/appservice/__init__.py
+++ b/synapse/appservice/__init__.py
@@ -15,11 +15,9 @@
 import logging
 import re
 
-from twisted.internet import defer
-
 from synapse.api.constants import EventTypes
 from synapse.types import GroupID, get_domain_from_id
-from synapse.util.caches.descriptors import cachedInlineCallbacks
+from synapse.util.caches.descriptors import cached
 
 logger = logging.getLogger(__name__)
 
@@ -43,7 +41,7 @@ class AppServiceTransaction(object):
         Args:
             as_api(ApplicationServiceApi): The API to use to send.
         Returns:
-            A Deferred which resolves to True if the transaction was sent.
+            An Awaitable which resolves to True if the transaction was sent.
         """
         return as_api.push_bulk(
             service=self.service, events=self.events, txn_id=self.id
@@ -172,8 +170,7 @@ class ApplicationService(object):
             return regex_obj["exclusive"]
         return False
 
-    @defer.inlineCallbacks
-    def _matches_user(self, event, store):
+    async def _matches_user(self, event, store):
         if not event:
             return False
 
@@ -188,12 +185,12 @@ class ApplicationService(object):
         if not store:
             return False
 
-        does_match = yield self._matches_user_in_member_list(event.room_id, store)
+        does_match = await self._matches_user_in_member_list(event.room_id, store)
         return does_match
 
-    @cachedInlineCallbacks(num_args=1, cache_context=True)
-    def _matches_user_in_member_list(self, room_id, store, cache_context):
-        member_list = yield store.get_users_in_room(
+    @cached(num_args=1, cache_context=True)
+    async def _matches_user_in_member_list(self, room_id, store, cache_context):
+        member_list = await store.get_users_in_room(
             room_id, on_invalidate=cache_context.invalidate
         )
 
@@ -208,35 +205,33 @@ class ApplicationService(object):
             return self.is_interested_in_room(event.room_id)
         return False
 
-    @defer.inlineCallbacks
-    def _matches_aliases(self, event, store):
+    async def _matches_aliases(self, event, store):
         if not store or not event:
             return False
 
-        alias_list = yield store.get_aliases_for_room(event.room_id)
+        alias_list = await store.get_aliases_for_room(event.room_id)
         for alias in alias_list:
             if self.is_interested_in_alias(alias):
                 return True
         return False
 
-    @defer.inlineCallbacks
-    def is_interested(self, event, store=None):
+    async def is_interested(self, event, store=None) -> bool:
         """Check if this service is interested in this event.
 
         Args:
             event(Event): The event to check.
             store(DataStore)
         Returns:
-            bool: True if this service would like to know about this event.
+            True if this service would like to know about this event.
         """
         # Do cheap checks first
         if self._matches_room_id(event):
             return True
 
-        if (yield self._matches_aliases(event, store)):
+        if await self._matches_aliases(event, store):
             return True
 
-        if (yield self._matches_user(event, store)):
+        if await self._matches_user(event, store):
             return True
 
         return False
diff --git a/synapse/appservice/api.py b/synapse/appservice/api.py
index 1e0e4d497d..db578bda79 100644
--- a/synapse/appservice/api.py
+++ b/synapse/appservice/api.py
@@ -93,13 +93,12 @@ class ApplicationServiceApi(SimpleHttpClient):
             hs, "as_protocol_meta", timeout_ms=HOUR_IN_MS
         )
 
-    @defer.inlineCallbacks
-    def query_user(self, service, user_id):
+    async def query_user(self, service, user_id):
         if service.url is None:
             return False
         uri = service.url + ("/users/%s" % urllib.parse.quote(user_id))
         try:
-            response = yield self.get_json(uri, {"access_token": service.hs_token})
+            response = await self.get_json(uri, {"access_token": service.hs_token})
             if response is not None:  # just an empty json object
                 return True
         except CodeMessageException as e:
@@ -110,14 +109,12 @@ class ApplicationServiceApi(SimpleHttpClient):
             logger.warning("query_user to %s threw exception %s", uri, ex)
         return False
 
-    @defer.inlineCallbacks
-    def query_alias(self, service, alias):
+    async def query_alias(self, service, alias):
         if service.url is None:
             return False
         uri = service.url + ("/rooms/%s" % urllib.parse.quote(alias))
-        response = None
         try:
-            response = yield self.get_json(uri, {"access_token": service.hs_token})
+            response = await self.get_json(uri, {"access_token": service.hs_token})
             if response is not None:  # just an empty json object
                 return True
         except CodeMessageException as e:
@@ -128,8 +125,7 @@ class ApplicationServiceApi(SimpleHttpClient):
             logger.warning("query_alias to %s threw exception %s", uri, ex)
         return False
 
-    @defer.inlineCallbacks
-    def query_3pe(self, service, kind, protocol, fields):
+    async def query_3pe(self, service, kind, protocol, fields):
         if kind == ThirdPartyEntityKind.USER:
             required_field = "userid"
         elif kind == ThirdPartyEntityKind.LOCATION:
@@ -146,7 +142,7 @@ class ApplicationServiceApi(SimpleHttpClient):
             urllib.parse.quote(protocol),
         )
         try:
-            response = yield self.get_json(uri, fields)
+            response = await self.get_json(uri, fields)
             if not isinstance(response, list):
                 logger.warning(
                     "query_3pe to %s returned an invalid response %r", uri, response
@@ -202,8 +198,7 @@ class ApplicationServiceApi(SimpleHttpClient):
         key = (service.id, protocol)
         return self.protocol_meta_cache.wrap(key, _get)
 
-    @defer.inlineCallbacks
-    def push_bulk(self, service, events, txn_id=None):
+    async def push_bulk(self, service, events, txn_id=None):
         if service.url is None:
             return True
 
@@ -218,7 +213,7 @@ class ApplicationServiceApi(SimpleHttpClient):
 
         uri = service.url + ("/transactions/%s" % urllib.parse.quote(txn_id))
         try:
-            yield self.put_json(
+            await self.put_json(
                 uri=uri,
                 json_body={"events": events},
                 args={"access_token": service.hs_token},
diff --git a/synapse/appservice/scheduler.py b/synapse/appservice/scheduler.py
index 9998f822f1..d5204b1314 100644
--- a/synapse/appservice/scheduler.py
+++ b/synapse/appservice/scheduler.py
@@ -50,8 +50,6 @@ components.
 """
 import logging
 
-from twisted.internet import defer
-
 from synapse.appservice import ApplicationServiceState
 from synapse.logging.context import run_in_background
 from synapse.metrics.background_process_metrics import run_as_background_process
@@ -73,12 +71,11 @@ class ApplicationServiceScheduler(object):
         self.txn_ctrl = _TransactionController(self.clock, self.store, self.as_api)
         self.queuer = _ServiceQueuer(self.txn_ctrl, self.clock)
 
-    @defer.inlineCallbacks
-    def start(self):
+    async def start(self):
         logger.info("Starting appservice scheduler")
 
         # check for any DOWN ASes and start recoverers for them.
-        services = yield self.store.get_appservices_by_state(
+        services = await self.store.get_appservices_by_state(
             ApplicationServiceState.DOWN
         )
 
@@ -117,8 +114,7 @@ class _ServiceQueuer(object):
             "as-sender-%s" % (service.id,), self._send_request, service
         )
 
-    @defer.inlineCallbacks
-    def _send_request(self, service):
+    async def _send_request(self, service):
         # sanity-check: we shouldn't get here if this service already has a sender
         # running.
         assert service.id not in self.requests_in_flight
@@ -130,7 +126,7 @@ class _ServiceQueuer(object):
                 if not events:
                     return
                 try:
-                    yield self.txn_ctrl.send(service, events)
+                    await self.txn_ctrl.send(service, events)
                 except Exception:
                     logger.exception("AS request failed")
         finally:
@@ -162,36 +158,33 @@ class _TransactionController(object):
         # for UTs
         self.RECOVERER_CLASS = _Recoverer
 
-    @defer.inlineCallbacks
-    def send(self, service, events):
+    async def send(self, service, events):
         try:
-            txn = yield self.store.create_appservice_txn(service=service, events=events)
-            service_is_up = yield self._is_service_up(service)
+            txn = await self.store.create_appservice_txn(service=service, events=events)
+            service_is_up = await self._is_service_up(service)
             if service_is_up:
-                sent = yield txn.send(self.as_api)
+                sent = await txn.send(self.as_api)
                 if sent:
-                    yield txn.complete(self.store)
+                    await txn.complete(self.store)
                 else:
                     run_in_background(self._on_txn_fail, service)
         except Exception:
             logger.exception("Error creating appservice transaction")
             run_in_background(self._on_txn_fail, service)
 
-    @defer.inlineCallbacks
-    def on_recovered(self, recoverer):
+    async def on_recovered(self, recoverer):
         logger.info(
             "Successfully recovered application service AS ID %s", recoverer.service.id
         )
         self.recoverers.pop(recoverer.service.id)
         logger.info("Remaining active recoverers: %s", len(self.recoverers))
-        yield self.store.set_appservice_state(
+        await self.store.set_appservice_state(
             recoverer.service, ApplicationServiceState.UP
         )
 
-    @defer.inlineCallbacks
-    def _on_txn_fail(self, service):
+    async def _on_txn_fail(self, service):
         try:
-            yield self.store.set_appservice_state(service, ApplicationServiceState.DOWN)
+            await self.store.set_appservice_state(service, ApplicationServiceState.DOWN)
             self.start_recoverer(service)
         except Exception:
             logger.exception("Error starting AS recoverer")
@@ -211,9 +204,8 @@ class _TransactionController(object):
         recoverer.recover()
         logger.info("Now %i active recoverers", len(self.recoverers))
 
-    @defer.inlineCallbacks
-    def _is_service_up(self, service):
-        state = yield self.store.get_appservice_state(service)
+    async def _is_service_up(self, service):
+        state = await self.store.get_appservice_state(service)
         return state == ApplicationServiceState.UP or state is None
 
 
@@ -254,25 +246,24 @@ class _Recoverer(object):
             self.backoff_counter += 1
         self.recover()
 
-    @defer.inlineCallbacks
-    def retry(self):
+    async def retry(self):
         logger.info("Starting retries on %s", self.service.id)
         try:
             while True:
-                txn = yield self.store.get_oldest_unsent_txn(self.service)
+                txn = await self.store.get_oldest_unsent_txn(self.service)
                 if not txn:
                     # nothing left: we're done!
-                    self.callback(self)
+                    await self.callback(self)
                     return
 
                 logger.info(
                     "Retrying transaction %s for AS ID %s", txn.id, txn.service.id
                 )
-                sent = yield txn.send(self.as_api)
+                sent = await txn.send(self.as_api)
                 if not sent:
                     break
 
-                yield txn.complete(self.store)
+                await txn.complete(self.store)
 
                 # reset the backoff counter and then process the next transaction
                 self.backoff_counter = 1