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authorErik Johnston <erikj@jki.re>2016-08-18 16:49:43 +0100
committerGitHub <noreply@github.com>2016-08-18 16:49:43 +0100
commitbe088b32d8e1f28199aa089f6d59fe4d94da510f (patch)
tree5c6ee37d31a792fd87deec3d54c030dc9a1f6a78 /synapse/storage/appservice.py
parentJenkins: tox install setuptools (diff)
parentRemove log lines (diff)
downloadsynapse-be088b32d8e1f28199aa089f6d59fe4d94da510f.tar.xz
Merge pull request #1027 from matrix-org/erikj/appservice_stream
Add appservice worker
Diffstat (limited to 'synapse/storage/appservice.py')
-rw-r--r--synapse/storage/appservice.py145
1 files changed, 71 insertions, 74 deletions
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=?",