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Fix bug when running presence off master #10149

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Jun 11, 2021
Merged

Fix bug when running presence off master #10149

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b073ad6
Fix bug when running presence off master
erikjohnston Jun 9, 2021
77ad77b
Newsfile
erikjohnston Jun 9, 2021
458aef8
Use exceptions
erikjohnston Jun 10, 2021
13d7200
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erikjohnston Jun 11, 2021
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1 change: 1 addition & 0 deletions changelog.d/10149.bugfix
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Fix bug where presence updates would stop working when using a presence writer worker.
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2 changes: 1 addition & 1 deletion synapse/storage/databases/main/presence.py
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Expand Up @@ -50,7 +50,7 @@ def __init__(
instance_name=self._instance_name,
tables=[("presence_stream", "instance_name", "stream_id")],
sequence_name="presence_stream_sequence",
writers=hs.config.worker.writers.to_device,
writers=hs.config.worker.writers.presence,
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hawkward!

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inorite

)
else:
self._presence_id_gen = StreamIdGenerator(
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15 changes: 15 additions & 0 deletions synapse/storage/util/id_generators.py
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Expand Up @@ -397,6 +397,11 @@ def get_next(self):
# ... persist event ...
"""

# If we have a list of instance that are allowed to write to this
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# stream, make sure we're in it.
if self._writers and self._instance_name not in self._writers:
raise Exception("Tried to allocate stream ID on non-writer")

return _MultiWriterCtxManager(self)

def get_next_mult(self, n: int):
Expand All @@ -406,6 +411,11 @@ def get_next_mult(self, n: int):
# ... persist events ...
"""

# If we have a list of instance that are allowed to write to this
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# stream, make sure we're in it.
if self._writers and self._instance_name not in self._writers:
raise Exception("Tried to allocate stream ID on non-writer")

return _MultiWriterCtxManager(self, n)

def get_next_txn(self, txn: LoggingTransaction):
Expand All @@ -416,6 +426,11 @@ def get_next_txn(self, txn: LoggingTransaction):
# ... persist event ...
"""

# If we have a list of instance that are allowed to write to this
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# stream, make sure we're in it.
if self._writers and self._instance_name not in self._writers:
raise Exception("Tried to allocate stream ID on non-writer")

next_id = self._load_next_id_txn(txn)

with self._lock:
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