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| author | Richard van der Hoff <richard@matrix.org> | 2015-11-10 18:27:23 +0000 |
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| committer | Richard van der Hoff <richard@matrix.org> | 2015-11-13 10:39:09 +0000 |
| commit | fddedd51d9ca44f385d412e8c2e3e8d99325ba67 (patch) | |
| tree | 76ca546f99c26540cc8a50122a149ab64c0c0228 /synapse/storage/presence.py | |
| parent | Make handlers.sync return a state dictionary, instead of an event list. (diff) | |
| download | synapse-fddedd51d9ca44f385d412e8c2e3e8d99325ba67.tar.xz | |
Fix a few race conditions in the state calculation
Be a bit more careful about how we calculate the state to be returned by /sync. In a few places, it was possible for /sync to return slightly later state than that represented by the next_batch token and the timeline. In particular, the following cases were susceptible: * On a full state sync, for an active room * During a per-room incremental sync with a timeline gap * When the user has just joined a room. (Refactor check_joined_room to make it less magical) Also, use store.get_state_for_events() (and thus the existing stategroups) to calculate the state corresponding to a particular sync position, rather than state_handler.compute_event_context(), which recalculates from first principles (and tends to miss some state). Merged from PR https://github.com/matrix-org/synapse/pull/372
Diffstat (limited to 'synapse/storage/presence.py')
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