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Fix #1015 (#1026) 

Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
main
Kegsay 2020-05-13 13:02:34 +01:00 committed by GitHub
parent ee140c9d6a
commit 37b2299b71
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 23 additions and 12 deletions
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18
syncapi/storage/postgres/syncserver.go
View File

@ -584,20 +584,24 @@ func (d *SyncServerDatasource) getResponseWithPDUsForCompleteSync(
// Retrieve the backward topology position, i.e. the position of the // Retrieve the backward topology position, i.e. the position of the
// oldest event in the room's topology. // oldest event in the room's topology.
var backwardTopologyPos, backwardStreamPos types.StreamPosition var prevBatchStr string
backwardTopologyPos, backwardStreamPos, err = d.topology.selectPositionInTopology(ctx, recentStreamEvents[0].EventID()) if len(recentStreamEvents) > 0 {
if err != nil { var backwardTopologyPos, backwardStreamPos types.StreamPosition
return backwardTopologyPos, backwardStreamPos, err = d.topology.selectPositionInTopology(ctx, recentStreamEvents[0].EventID())
if err != nil {
return
}
prevBatch := types.NewTopologyToken(backwardTopologyPos, backwardStreamPos)
prevBatch.Decrement()
prevBatchStr = prevBatch.String()
} }
prevBatch := types.NewTopologyToken(backwardTopologyPos, backwardStreamPos)
prevBatch.Decrement()
// We don't include a device here as we don't need to send down // We don't include a device here as we don't need to send down
// transaction IDs for complete syncs // transaction IDs for complete syncs
recentEvents := d.StreamEventsToEvents(nil, recentStreamEvents) recentEvents := d.StreamEventsToEvents(nil, recentStreamEvents)
stateEvents = removeDuplicates(stateEvents, recentEvents) stateEvents = removeDuplicates(stateEvents, recentEvents)
jr := types.NewJoinResponse() jr := types.NewJoinResponse()
jr.Timeline.PrevBatch = prevBatch.String() jr.Timeline.PrevBatch = prevBatchStr
jr.Timeline.Events = gomatrixserverlib.HeaderedToClientEvents(recentEvents, gomatrixserverlib.FormatSync) jr.Timeline.Events = gomatrixserverlib.HeaderedToClientEvents(recentEvents, gomatrixserverlib.FormatSync)
jr.Timeline.Limited = true jr.Timeline.Limited = true
jr.State.Events = gomatrixserverlib.HeaderedToClientEvents(stateEvents, gomatrixserverlib.FormatSync) jr.State.Events = gomatrixserverlib.HeaderedToClientEvents(stateEvents, gomatrixserverlib.FormatSync)

17
syncapi/storage/sqlite3/syncserver.go
View File

@ -661,17 +661,24 @@ func (d *SyncServerDatasource) getResponseWithPDUsForCompleteSync(
// Retrieve the backward topology position, i.e. the position of the // Retrieve the backward topology position, i.e. the position of the
// oldest event in the room's topology. // oldest event in the room's topology.
var backwardTopologyPos, backwardTopologyStreamPos types.StreamPosition var prevBatchStr string
backwardTopologyPos, backwardTopologyStreamPos, err = d.topology.selectPositionInTopology(ctx, txn, recentStreamEvents[0].EventID()) if len(recentStreamEvents) > 0 {
prevBatch := types.NewTopologyToken(backwardTopologyPos, backwardTopologyStreamPos) var backwardTopologyPos, backwardStreamPos types.StreamPosition
prevBatch.Decrement() backwardTopologyPos, backwardStreamPos, err = d.topology.selectPositionInTopology(ctx, txn, recentStreamEvents[0].EventID())
if err != nil {
return
}
prevBatch := types.NewTopologyToken(backwardTopologyPos, backwardStreamPos)
prevBatch.Decrement()
prevBatchStr = prevBatch.String()
}
// We don't include a device here as we don't need to send down // We don't include a device here as we don't need to send down
// transaction IDs for complete syncs // transaction IDs for complete syncs
recentEvents := d.StreamEventsToEvents(nil, recentStreamEvents) recentEvents := d.StreamEventsToEvents(nil, recentStreamEvents)
stateEvents = removeDuplicates(stateEvents, recentEvents) stateEvents = removeDuplicates(stateEvents, recentEvents)
jr := types.NewJoinResponse() jr := types.NewJoinResponse()
jr.Timeline.PrevBatch = prevBatch.String() jr.Timeline.PrevBatch = prevBatchStr
jr.Timeline.Events = gomatrixserverlib.HeaderedToClientEvents(recentEvents, gomatrixserverlib.FormatSync) jr.Timeline.Events = gomatrixserverlib.HeaderedToClientEvents(recentEvents, gomatrixserverlib.FormatSync)
jr.Timeline.Limited = true jr.Timeline.Limited = true
jr.State.Events = gomatrixserverlib.HeaderedToClientEvents(stateEvents, gomatrixserverlib.FormatSync) jr.State.Events = gomatrixserverlib.HeaderedToClientEvents(stateEvents, gomatrixserverlib.FormatSync)