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bugfix: E2EE device keys could sometimes not be sent to remote servers (#2466)

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* Fix flakey sytest 'Local device key changes get to remote servers'

* Debug logs

* Remove internal/test and use /test only

Remove a lot of ancient code too.

* Use FederationRoomserverAPI in more places

* Use more interfaces in federationapi; begin adding regression test

* Linting

* Add regression test

* Unbreak tests

* ALL THE LOGS

* Fix a race condition which could cause events to not be sent to servers

If a new room event which rewrites state arrives, we remove all joined hosts
then re-calculate them. This wasn't done in a transaction so for a brief period
we would have no joined hosts. During this interim, key change events which arrive
would not be sent to destination servers. This would sporadically fail on sytest.

* Unbreak new tests

* Linting
This commit is contained in:
kegsay 2022-05-17 13:23:35 +01:00 • committed by GitHub
parent cd82460513
commit 6de29c1cd2
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GPG key ID: 4AEE18F83AFDEB23
48 changed files with 566 additions and 618 deletions
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31
federationapi/queue/destinationqueue.go
View file

@ -21,6 +21,7 @@ import (
"sync"
"time"
fedapi "github.com/matrix-org/dendrite/federationapi/api"
"github.com/matrix-org/dendrite/federationapi/statistics"
"github.com/matrix-org/dendrite/federationapi/storage"
"github.com/matrix-org/dendrite/federationapi/storage/shared"
@ -49,21 +50,21 @@ type destinationQueue struct {
db storage.Database
process *process.ProcessContext
signing *SigningInfo
rsAPI api.RoomserverInternalAPI
client *gomatrixserverlib.FederationClient // federation client
origin gomatrixserverlib.ServerName // origin of requests
destination gomatrixserverlib.ServerName // destination of requests
running atomic.Bool // is the queue worker running?
backingOff atomic.Bool // true if we're backing off
overflowed atomic.Bool // the queues exceed maxPDUsInMemory/maxEDUsInMemory, so we should consult the database for more
statistics *statistics.ServerStatistics // statistics about this remote server
transactionIDMutex sync.Mutex // protects transactionID
transactionID gomatrixserverlib.TransactionID // last transaction ID if retrying, or "" if last txn was successful
notify chan struct{} // interrupts idle wait pending PDUs/EDUs
pendingPDUs []*queuedPDU // PDUs waiting to be sent
pendingEDUs []*queuedEDU // EDUs waiting to be sent
pendingMutex sync.RWMutex // protects pendingPDUs and pendingEDUs
interruptBackoff chan bool // interrupts backoff
rsAPI api.FederationRoomserverAPI
client fedapi.FederationClient // federation client
origin gomatrixserverlib.ServerName // origin of requests
destination gomatrixserverlib.ServerName // destination of requests
running atomic.Bool // is the queue worker running?
backingOff atomic.Bool // true if we're backing off
overflowed atomic.Bool // the queues exceed maxPDUsInMemory/maxEDUsInMemory, so we should consult the database for more
statistics *statistics.ServerStatistics // statistics about this remote server
transactionIDMutex sync.Mutex // protects transactionID
transactionID gomatrixserverlib.TransactionID // last transaction ID if retrying, or "" if last txn was successful
notify chan struct{} // interrupts idle wait pending PDUs/EDUs
pendingPDUs []*queuedPDU // PDUs waiting to be sent
pendingEDUs []*queuedEDU // EDUs waiting to be sent
pendingMutex sync.RWMutex // protects pendingPDUs and pendingEDUs
interruptBackoff chan bool // interrupts backoff
}
// Send event adds the event to the pending queue for the destination.

9
federationapi/queue/queue.go
View file

@ -26,6 +26,7 @@ import (
log "github.com/sirupsen/logrus"
"github.com/tidwall/gjson"
fedapi "github.com/matrix-org/dendrite/federationapi/api"
"github.com/matrix-org/dendrite/federationapi/statistics"
"github.com/matrix-org/dendrite/federationapi/storage"
"github.com/matrix-org/dendrite/federationapi/storage/shared"
@ -39,9 +40,9 @@ type OutgoingQueues struct {
db storage.Database
process *process.ProcessContext
disabled bool
rsAPI api.RoomserverInternalAPI
rsAPI api.FederationRoomserverAPI
origin gomatrixserverlib.ServerName
client *gomatrixserverlib.FederationClient
client fedapi.FederationClient
statistics *statistics.Statistics
signing *SigningInfo
queuesMutex sync.Mutex // protects the below
@ -85,8 +86,8 @@ func NewOutgoingQueues(
process *process.ProcessContext,
disabled bool,
origin gomatrixserverlib.ServerName,
client *gomatrixserverlib.FederationClient,
rsAPI api.RoomserverInternalAPI,
client fedapi.FederationClient,
rsAPI api.FederationRoomserverAPI,
statistics *statistics.Statistics,
signing *SigningInfo,
) *OutgoingQueues {