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Reuse the existing lazyload cache on /context and /messages (#2367)

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Till 2022-04-22 11:38:29 +02:00 committed by GitHub
parent 0eb5bd1e13
commit c07f347f00
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4 changed files with 31 additions and 8 deletions
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23
syncapi/routing/context.go
View file

@ -22,6 +22,7 @@ import (
"strconv"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/internal/caching"
roomserver "github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/syncapi/storage"
userapi "github.com/matrix-org/dendrite/userapi/api"
@ -44,6 +45,7 @@ func Context(
rsAPI roomserver.RoomserverInternalAPI,
syncDB storage.Database,
roomID, eventID string,
lazyLoadCache *caching.LazyLoadCache,
) util.JSONResponse {
filter, err := parseRoomEventFilter(req)
if err != nil {
@ -129,7 +131,7 @@ func Context(
eventsBeforeClient := gomatrixserverlib.HeaderedToClientEvents(eventsBefore, gomatrixserverlib.FormatAll)
eventsAfterClient := gomatrixserverlib.HeaderedToClientEvents(eventsAfter, gomatrixserverlib.FormatAll)
newState := applyLazyLoadMembers(filter, eventsAfterClient, eventsBeforeClient, state)
newState := applyLazyLoadMembers(device, filter, eventsAfterClient, eventsBeforeClient, state, lazyLoadCache)
response := ContextRespsonse{
Event: gomatrixserverlib.HeaderedToClientEvent(&requestedEvent, gomatrixserverlib.FormatAll),
@ -148,15 +150,25 @@ func Context(
}
}
func applyLazyLoadMembers(filter *gomatrixserverlib.RoomEventFilter, eventsAfter, eventsBefore []gomatrixserverlib.ClientEvent, state []*gomatrixserverlib.HeaderedEvent) []*gomatrixserverlib.HeaderedEvent {
func applyLazyLoadMembers(
device *userapi.Device,
filter *gomatrixserverlib.RoomEventFilter,
eventsAfter, eventsBefore []gomatrixserverlib.ClientEvent,
state []*gomatrixserverlib.HeaderedEvent,
lazyLoadCache *caching.LazyLoadCache,
) []*gomatrixserverlib.HeaderedEvent {
if filter == nil || !filter.LazyLoadMembers {
return state
}
allEvents := append(eventsBefore, eventsAfter...)
x := make(map[string]bool)
x := make(map[string]struct{})
// get members who actually send an event
for _, e := range allEvents {
x[e.Sender] = true
// Don't add membership events the client should already know about
if _, cached := lazyLoadCache.IsLazyLoadedUserCached(device, e.RoomID, e.Sender); cached {
continue
}
x[e.Sender] = struct{}{}
}
newState := []*gomatrixserverlib.HeaderedEvent{}
@ -166,8 +178,9 @@ func applyLazyLoadMembers(filter *gomatrixserverlib.RoomEventFilter, eventsAfter
newState = append(newState, event)
} else {
// did the user send an event?
if x[event.Sender()] {
if _, ok := x[event.Sender()]; ok {
membershipEvents = append(membershipEvents, event)
lazyLoadCache.StoreLazyLoadedUser(device, event.RoomID(), event.Sender(), event.EventID())
}
}
}

9
syncapi/routing/messages.go
View file

@ -21,6 +21,7 @@ import (
"sort"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/internal/caching"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/syncapi/storage"
@ -64,6 +65,7 @@ func OnIncomingMessagesRequest(
rsAPI api.RoomserverInternalAPI,
cfg *config.SyncAPI,
srp *sync.RequestPool,
lazyLoadCache *caching.LazyLoadCache,
) util.JSONResponse {
var err error
@ -200,6 +202,10 @@ func OnIncomingMessagesRequest(
if filter.LazyLoadMembers {
membershipToUser := make(map[string]*gomatrixserverlib.HeaderedEvent)
for _, evt := range clientEvents {
// Don't add membership events the client should already know about
if _, cached := lazyLoadCache.IsLazyLoadedUserCached(device, roomID, evt.Sender); cached {
continue
}
membership, err := db.GetStateEvent(req.Context(), roomID, gomatrixserverlib.MRoomMember, evt.Sender)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("failed to get membership event for user")
@ -207,10 +213,11 @@ func OnIncomingMessagesRequest(
}
if membership != nil {
membershipToUser[evt.Sender] = membership
lazyLoadCache.StoreLazyLoadedUser(device, roomID, evt.Sender, membership.EventID())
}
}
for _, evt := range membershipToUser {
state = append(state, gomatrixserverlib.HeaderedToClientEvent(evt, gomatrixserverlib.FormatAll))
state = append(state, gomatrixserverlib.HeaderedToClientEvent(evt, gomatrixserverlib.FormatSync))
}
}

5
syncapi/routing/routing.go
View file

@ -18,6 +18,7 @@ import (
"net/http"
"github.com/gorilla/mux"
"github.com/matrix-org/dendrite/internal/caching"
"github.com/matrix-org/dendrite/internal/httputil"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/setup/config"
@ -38,6 +39,7 @@ func Setup(
userAPI userapi.UserInternalAPI, federation *gomatrixserverlib.FederationClient,
rsAPI api.RoomserverInternalAPI,
cfg *config.SyncAPI,
lazyLoadCache *caching.LazyLoadCache,
) {
v3mux := csMux.PathPrefix("/{apiversion:(?:r0|v3)}/").Subrouter()
@ -51,7 +53,7 @@ func Setup(
if err != nil {
return util.ErrorResponse(err)
}
return OnIncomingMessagesRequest(req, syncDB, vars["roomID"], device, federation, rsAPI, cfg, srp)
return OnIncomingMessagesRequest(req, syncDB, vars["roomID"], device, federation, rsAPI, cfg, srp, lazyLoadCache)
})).Methods(http.MethodGet, http.MethodOptions)
v3mux.Handle("/user/{userId}/filter",
@ -89,6 +91,7 @@ func Setup(
req, device,
rsAPI, syncDB,
vars["roomId"], vars["eventId"],
lazyLoadCache,
)
}),
).Methods(http.MethodGet, http.MethodOptions)

2
syncapi/syncapi.go
View file

@ -148,5 +148,5 @@ func AddPublicRoutes(
logrus.WithError(err).Panicf("failed to start presence consumer")
}
routing.Setup(router, requestPool, syncDB, userAPI, federation, rsAPI, cfg)
routing.Setup(router, requestPool, syncDB, userAPI, federation, rsAPI, cfg, lazyLoadCache)
}