Finish inbound E2E device lists (#1243)

* Add tests for device list updates

* Add stale_device_lists table and use db before asking remote for device keys

* Fetch remote keys if all devices are requested

* Add display_name col to store remote device names

Few other tweaks to make `Server correctly handles incoming m.device_list_update`
pass.

* Fix sqlite otk bug

* Unbuffered channel to block /send causing sytest to not race anymore

* Linting and fix bug whereby we didn't send updated dl tokens to the client causing a tightloop on /sync sometimes

* No longer assert staleness as Update blocks on workers now

* Back out tweaks

* Bugfixes
This commit is contained in:
Kegsay 2020-08-07 17:32:13 +01:00 committed by GitHub
parent 30c2325eaf
commit f371783da7
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GPG key ID: 4AEE18F83AFDEB23
15 changed files with 639 additions and 48 deletions

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@ -46,6 +46,7 @@ func DeviceOTKCounts(ctx context.Context, keyAPI keyapi.KeyInternalAPI, userID,
// DeviceListCatchup fills in the given response for the given user ID to bring it up-to-date with device lists. hasNew=true if the response
// was filled in, else false if there are no new device list changes because there is nothing to catch up on. The response MUST
// be already filled in with join/leave information.
// nolint:gocyclo
func DeviceListCatchup(
ctx context.Context, keyAPI keyapi.KeyInternalAPI, stateAPI currentstateAPI.CurrentStateInternalAPI,
userID string, res *types.Response, from, to types.StreamingToken,
@ -68,22 +69,20 @@ func DeviceListCatchup(
var partition int32
var offset int64
partition = -1
offset = sarama.OffsetOldest
// Extract partition/offset from sync token
// TODO: In a world where keyserver is sharded there will be multiple partitions and hence multiple QueryKeyChanges to make.
logOffset := from.Log(DeviceListLogName)
if logOffset != nil {
partition = logOffset.Partition
offset = logOffset.Offset
} else {
partition = -1
offset = sarama.OffsetOldest
}
var toOffset int64
toOffset = sarama.OffsetNewest
toLog := to.Log(DeviceListLogName)
if toLog != nil {
if toLog != nil && toLog.Offset > 0 {
toOffset = toLog.Offset
} else {
toOffset = sarama.OffsetNewest
}
var queryRes api.QueryKeyChangesResponse
keyAPI.QueryKeyChanges(ctx, &api.QueryKeyChangesRequest{
@ -96,6 +95,10 @@ func DeviceListCatchup(
util.GetLogger(ctx).WithError(queryRes.Error).Error("QueryKeyChanges failed")
return hasNew, nil
}
util.GetLogger(ctx).Debugf(
"QueryKeyChanges request p=%d,off=%d,to=%d response p=%d off=%d uids=%v",
partition, offset, toOffset, queryRes.Partition, queryRes.Offset, queryRes.UserIDs,
)
userSet := make(map[string]bool)
for _, userID := range res.DeviceLists.Changed {
userSet[userID] = true
@ -116,6 +119,13 @@ func DeviceListCatchup(
userSet[userID] = true
}
}
// set the new token
to.SetLog(DeviceListLogName, &types.LogPosition{
Partition: queryRes.Partition,
Offset: queryRes.Offset,
})
res.NextBatch = to.String()
return hasNew, nil
}