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Merge branch 'master' into neilalexander/keydb

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Neil Alexander 2020-05-21 10:35:47 +01:00 committed by GitHub
parent 8af52942c1 7d91ef0616
commit 45488487a2
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GPG key ID: 4AEE18F83AFDEB23
25 changed files with 301 additions and 149 deletions
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4
build-dendritejs.sh Executable file
View file

@ -0,0 +1,4 @@
#!/bin/bash -eu
export GIT_COMMIT=$(git rev-list -1 HEAD) && \
GOOS=js GOARCH=wasm go build -ldflags "-X main.GitCommit=$GIT_COMMIT" -o main.wasm ./cmd/dendritejs

4
cmd/dendritejs/main.go
View file

@ -47,8 +47,10 @@ import (
_ "github.com/matrix-org/go-sqlite3-js"
)
var GitCommit string
func init() {
fmt.Println("dendrite.js starting...")
fmt.Printf("[%s] dendrite.js starting...\n", GitCommit)
}
const keyNameEd25519 = "_go_ed25519_key"

15
federationapi/routing/backfill.go
View file

@ -70,7 +70,12 @@ func Backfill(
// Populate the request.
req := api.QueryBackfillRequest{
RoomID: roomID,
EarliestEventsIDs: eIDs,
// we don't know who the successors are for these events, which won't
// be a problem because we don't use that information when servicing /backfill requests,
// only when making them. TODO: Think of a better API shape
BackwardsExtremities: map[string][]string{
"": eIDs,
},
ServerName: request.Origin(),
}
if req.Limit, err = strconv.Atoi(limit); err != nil {
@ -97,7 +102,7 @@ func Backfill(
}
}
var eventJSONs []json.RawMessage
eventJSONs := []json.RawMessage{}
for _, e := range gomatrixserverlib.ReverseTopologicalOrdering(
evs,
gomatrixserverlib.TopologicalOrderByPrevEvents,
@ -105,6 +110,12 @@ func Backfill(
eventJSONs = append(eventJSONs, e.JSON())
}
// sytest wants these in reversed order, similar to /messages, so reverse them now.
for i := len(eventJSONs)/2 - 1; i >= 0; i-- {
opp := len(eventJSONs) - 1 - i
eventJSONs[i], eventJSONs[opp] = eventJSONs[opp], eventJSONs[i]
}
txn := gomatrixserverlib.Transaction{
Origin: cfg.Matrix.ServerName,
PDUs: eventJSONs,

15
roomserver/api/query.go
View file

@ -21,6 +21,7 @@ import (
commonHTTP "github.com/matrix-org/dendrite/common/http"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
opentracing "github.com/opentracing/opentracing-go"
)
@ -228,14 +229,24 @@ type QueryStateAndAuthChainResponse struct {
type QueryBackfillRequest struct {
// The room to backfill
RoomID string `json:"room_id"`
// Events to start paginating from.
EarliestEventsIDs []string `json:"earliest_event_ids"`
// A map of backwards extremity event ID to a list of its prev_event IDs.
BackwardsExtremities map[string][]string `json:"backwards_extremities"`
// The maximum number of events to retrieve.
Limit int `json:"limit"`
// The server interested in the events.
ServerName gomatrixserverlib.ServerName `json:"server_name"`
}
// PrevEventIDs returns the prev_event IDs of all backwards extremities, de-duplicated in a lexicographically sorted order.
func (r *QueryBackfillRequest) PrevEventIDs() []string {
var prevEventIDs []string
for _, pes := range r.BackwardsExtremities {
prevEventIDs = append(prevEventIDs, pes...)
}
prevEventIDs = util.UniqueStrings(prevEventIDs)
return prevEventIDs
}
// QueryBackfillResponse is a response to QueryBackfill.
type QueryBackfillResponse struct {
// Missing events, arbritrary order.

4
roomserver/internal/input.go
View file

@ -60,7 +60,7 @@ func (r *RoomserverInternalAPI) InputRoomEvents(
defer r.mutex.Unlock()
for i := range request.InputInviteEvents {
var loopback *api.InputRoomEvent
if loopback, err = processInviteEvent(ctx, r.DB, r, request.InputInviteEvents[i]); err != nil {
if loopback, err = r.processInviteEvent(ctx, r, request.InputInviteEvents[i]); err != nil {
return err
}
// The processInviteEvent function can optionally return a
@ -71,7 +71,7 @@ func (r *RoomserverInternalAPI) InputRoomEvents(
}
}
for i := range request.InputRoomEvents {
if response.EventID, err = processRoomEvent(ctx, r.DB, r, request.InputRoomEvents[i]); err != nil {
if response.EventID, err = r.processRoomEvent(ctx, request.InputRoomEvents[i]); err != nil {
return err
}
}

53
roomserver/internal/input_events.go
View file

@ -31,21 +31,13 @@ import (
log "github.com/sirupsen/logrus"
)
// OutputRoomEventWriter has the APIs needed to write an event to the output logs.
type OutputRoomEventWriter interface {
// Write a list of events for a room
WriteOutputEvents(roomID string, updates []api.OutputEvent) error
}
// processRoomEvent can only be called once at a time
//
// TODO(#375): This should be rewritten to allow concurrent calls. The
// difficulty is in ensuring that we correctly annotate events with the correct
// state deltas when sending to kafka streams
func processRoomEvent(
func (r *RoomserverInternalAPI) processRoomEvent(
ctx context.Context,
db storage.Database,
ow OutputRoomEventWriter,
input api.InputRoomEvent,
) (eventID string, err error) {
// Parse and validate the event JSON
@ -54,7 +46,7 @@ func processRoomEvent(
// Check that the event passes authentication checks and work out
// the numeric IDs for the auth events.
authEventNIDs, err := checkAuthEvents(ctx, db, headered, input.AuthEventIDs)
authEventNIDs, err := checkAuthEvents(ctx, r.DB, headered, input.AuthEventIDs)
if err != nil {
logrus.WithError(err).WithField("event_id", event.EventID()).WithField("auth_event_ids", input.AuthEventIDs).Error("processRoomEvent.checkAuthEvents failed for event")
return
@ -63,7 +55,7 @@ func processRoomEvent(
// If we don't have a transaction ID then get one.
if input.TransactionID != nil {
tdID := input.TransactionID
eventID, err = db.GetTransactionEventID(
eventID, err = r.DB.GetTransactionEventID(
ctx, tdID.TransactionID, tdID.SessionID, event.Sender(),
)
// On error OR event with the transaction already processed/processesing
@ -73,7 +65,7 @@ func processRoomEvent(
}
// Store the event.
roomNID, stateAtEvent, err := db.StoreEvent(ctx, event, input.TransactionID, authEventNIDs)
roomNID, stateAtEvent, err := r.DB.StoreEvent(ctx, event, input.TransactionID, authEventNIDs)
if err != nil {
return
}
@ -93,16 +85,14 @@ func processRoomEvent(
if stateAtEvent.BeforeStateSnapshotNID == 0 {
// We haven't calculated a state for this event yet.
// Lets calculate one.
err = calculateAndSetState(ctx, db, input, roomNID, &stateAtEvent, event)
err = r.calculateAndSetState(ctx, input, roomNID, &stateAtEvent, event)
if err != nil {
return
}
}
if err = updateLatestEvents(
if err = r.updateLatestEvents(
ctx, // context
db, // roomserver database
ow, // output event writer
roomNID, // room NID to update
stateAtEvent, // state at event (below)
event, // event
@ -116,29 +106,36 @@ func processRoomEvent(
return event.EventID(), nil
}
func calculateAndSetState(
func (r *RoomserverInternalAPI) calculateAndSetState(
ctx context.Context,
db storage.Database,
input api.InputRoomEvent,
roomNID types.RoomNID,
stateAtEvent *types.StateAtEvent,
event gomatrixserverlib.Event,
) error {
var err error
roomState := state.NewStateResolution(db)
roomState := state.NewStateResolution(r.DB)
if input.HasState {
// TODO: Check here if we think we're in the room already.
// Check here if we think we're in the room already.
stateAtEvent.Overwrite = true
var joinEventNIDs []types.EventNID
// Request join memberships only for local users only.
if joinEventNIDs, err = r.DB.GetMembershipEventNIDsForRoom(ctx, roomNID, true, true); err == nil {
// If we have no local users that are joined to the room then any state about
// the room that we have is quite possibly out of date. Therefore in that case
// we should overwrite it rather than merge it.
stateAtEvent.Overwrite = len(joinEventNIDs) == 0
}
// We've been told what the state at the event is so we don't need to calculate it.
// Check that those state events are in the database and store the state.
var entries []types.StateEntry
if entries, err = db.StateEntriesForEventIDs(ctx, input.StateEventIDs); err != nil {
if entries, err = r.DB.StateEntriesForEventIDs(ctx, input.StateEventIDs); err != nil {
return err
}
if stateAtEvent.BeforeStateSnapshotNID, err = db.AddState(ctx, roomNID, nil, entries); err != nil {
if stateAtEvent.BeforeStateSnapshotNID, err = r.DB.AddState(ctx, roomNID, nil, entries); err != nil {
return err
}
} else {
@ -149,12 +146,11 @@ func calculateAndSetState(
return err
}
}
return db.SetState(ctx, stateAtEvent.EventNID, stateAtEvent.BeforeStateSnapshotNID)
return r.DB.SetState(ctx, stateAtEvent.EventNID, stateAtEvent.BeforeStateSnapshotNID)
}
func processInviteEvent(
func (r *RoomserverInternalAPI) processInviteEvent(
ctx context.Context,
db storage.Database,
ow *RoomserverInternalAPI,
input api.InputInviteEvent,
) (*api.InputRoomEvent, error) {
@ -172,7 +168,10 @@ func processInviteEvent(
"target_user_id": targetUserID,
}).Info("processing invite event")
updater, err := db.MembershipUpdater(ctx, roomID, targetUserID, input.RoomVersion)
_, domain, _ := gomatrixserverlib.SplitID('@', targetUserID)
isTargetLocalUser := domain == r.Cfg.Matrix.ServerName
updater, err := r.DB.MembershipUpdater(ctx, roomID, targetUserID, isTargetLocalUser, input.RoomVersion)
if err != nil {
return nil, err
}
@ -239,7 +238,7 @@ func processInviteEvent(
// up from local data (which is most likely to be if the event came
// from the CS API). If we know about the room then we can insert
// the invite room state, if we don't then we just fail quietly.
if irs, ierr := buildInviteStrippedState(ctx, db, input); ierr == nil {
if irs, ierr := buildInviteStrippedState(ctx, r.DB, input); ierr == nil {
if err = event.SetUnsignedField("invite_room_state", irs); err != nil {
return nil, err
}

23
roomserver/internal/input_latest_events.go
View file

@ -23,7 +23,6 @@ import (
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/state"
"github.com/matrix-org/dendrite/roomserver/storage"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
@ -46,17 +45,15 @@ import (
// 7 <----- latest
//
// Can only be called once at a time
func updateLatestEvents(
func (r *RoomserverInternalAPI) updateLatestEvents(
ctx context.Context,
db storage.Database,
ow OutputRoomEventWriter,
roomNID types.RoomNID,
stateAtEvent types.StateAtEvent,
event gomatrixserverlib.Event,
sendAsServer string,
transactionID *api.TransactionID,
) (err error) {
updater, err := db.GetLatestEventsForUpdate(ctx, roomNID)
updater, err := r.DB.GetLatestEventsForUpdate(ctx, roomNID)
if err != nil {
return
}
@ -70,9 +67,8 @@ func updateLatestEvents(
u := latestEventsUpdater{
ctx: ctx,
db: db,
api: r,
updater: updater,
ow: ow,
roomNID: roomNID,
stateAtEvent: stateAtEvent,
event: event,
@ -94,9 +90,8 @@ func updateLatestEvents(
// when there are so many variables to pass around.
type latestEventsUpdater struct {
ctx context.Context
db storage.Database
api *RoomserverInternalAPI
updater types.RoomRecentEventsUpdater
ow OutputRoomEventWriter
roomNID types.RoomNID
stateAtEvent types.StateAtEvent
event gomatrixserverlib.Event
@ -181,7 +176,7 @@ func (u *latestEventsUpdater) doUpdateLatestEvents() error {
// If we need to generate any output events then here's where we do it.
// TODO: Move this!
updates, err := updateMemberships(u.ctx, u.db, u.updater, u.removed, u.added)
updates, err := u.api.updateMemberships(u.ctx, u.updater, u.removed, u.added)
if err != nil {
return err
}
@ -200,7 +195,7 @@ func (u *latestEventsUpdater) doUpdateLatestEvents() error {
// send the event asynchronously but we would need to ensure that 1) the events are written to the log in
// the correct order, 2) that pending writes are resent across restarts. In order to avoid writing all the
// necessary bookkeeping we'll keep the event sending synchronous for now.
if err = u.ow.WriteOutputEvents(u.event.RoomID(), updates); err != nil {
if err = u.api.WriteOutputEvents(u.event.RoomID(), updates); err != nil {
return err
}
@ -213,7 +208,7 @@ func (u *latestEventsUpdater) doUpdateLatestEvents() error {
func (u *latestEventsUpdater) latestState() error {
var err error
roomState := state.NewStateResolution(u.db)
roomState := state.NewStateResolution(u.api.DB)
// Get a list of the current latest events.
latestStateAtEvents := make([]types.StateAtEvent, len(u.latest))
@ -303,7 +298,7 @@ func (u *latestEventsUpdater) makeOutputNewRoomEvent() (*api.OutputEvent, error)
latestEventIDs[i] = u.latest[i].EventID
}
roomVersion, err := u.db.GetRoomVersionForRoom(u.ctx, u.event.RoomID())
roomVersion, err := u.api.DB.GetRoomVersionForRoom(u.ctx, u.event.RoomID())
if err != nil {
return nil, err
}
@ -329,7 +324,7 @@ func (u *latestEventsUpdater) makeOutputNewRoomEvent() (*api.OutputEvent, error)
stateEventNIDs = append(stateEventNIDs, entry.EventNID)
}
stateEventNIDs = stateEventNIDs[:util.SortAndUnique(eventNIDSorter(stateEventNIDs))]
eventIDMap, err := u.db.EventIDs(u.ctx, stateEventNIDs)
eventIDMap, err := u.api.DB.EventIDs(u.ctx, stateEventNIDs)
if err != nil {
return nil, err
}

24
roomserver/internal/input_membership.go
View file

@ -19,7 +19,6 @@ import (
"fmt"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/storage"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
)
@ -28,9 +27,8 @@ import (
// user affected by a change in the current state of the room.
// Returns a list of output events to write to the kafka log to inform the
// consumers about the invites added or retired by the change in current state.
func updateMemberships(
func (r *RoomserverInternalAPI) updateMemberships(
ctx context.Context,
db storage.Database,
updater types.RoomRecentEventsUpdater,
removed, added []types.StateEntry,
) ([]api.OutputEvent, error) {
@ -48,7 +46,7 @@ func updateMemberships(
// Load the event JSON so we can look up the "membership" key.
// TODO: Maybe add a membership key to the events table so we can load that
// key without having to load the entire event JSON?
events, err := db.Events(ctx, eventNIDs)
events, err := r.DB.Events(ctx, eventNIDs)
if err != nil {
return nil, err
}
@ -71,15 +69,16 @@ func updateMemberships(
ae = &ev.Event
}
}
if updates, err = updateMembership(updater, targetUserNID, re, ae, updates); err != nil {
if updates, err = r.updateMembership(updater, targetUserNID, re, ae, updates); err != nil {
return nil, err
}
}
return updates, nil
}
func updateMembership(
updater types.RoomRecentEventsUpdater, targetUserNID types.EventStateKeyNID,
func (r *RoomserverInternalAPI) updateMembership(
updater types.RoomRecentEventsUpdater,
targetUserNID types.EventStateKeyNID,
remove, add *gomatrixserverlib.Event,
updates []api.OutputEvent,
) ([]api.OutputEvent, error) {
@ -113,7 +112,7 @@ func updateMembership(
return updates, nil
}
mu, err := updater.MembershipUpdater(targetUserNID)
mu, err := updater.MembershipUpdater(targetUserNID, r.isLocalTarget(add))
if err != nil {
return nil, err
}
@ -132,6 +131,15 @@ func updateMembership(
}
}
func (r *RoomserverInternalAPI) isLocalTarget(event *gomatrixserverlib.Event) bool {
isTargetLocalUser := false
if statekey := event.StateKey(); statekey != nil {
_, domain, _ := gomatrixserverlib.SplitID('@', *statekey)
isTargetLocalUser = domain == r.Cfg.Matrix.ServerName
}
return isTargetLocalUser
}
func updateToInviteMembership(
mu types.MembershipUpdater, add *gomatrixserverlib.Event, updates []api.OutputEvent,
roomVersion gomatrixserverlib.RoomVersion,

23
roomserver/internal/query.go
View file

@ -267,7 +267,7 @@ func (r *RoomserverInternalAPI) QueryMembershipsForRoom(
var stateEntries []types.StateEntry
if stillInRoom {
var eventNIDs []types.EventNID
eventNIDs, err = r.DB.GetMembershipEventNIDsForRoom(ctx, roomNID, request.JoinedOnly)
eventNIDs, err = r.DB.GetMembershipEventNIDsForRoom(ctx, roomNID, request.JoinedOnly, false)
if err != nil {
return err
}
@ -495,14 +495,8 @@ func (r *RoomserverInternalAPI) QueryBackfill(
// defines the highest number of elements in the map below.
visited := make(map[string]bool, request.Limit)
// The provided event IDs have already been seen by the request's emitter,
// and will be retrieved anyway, so there's no need to care about them if
// they appear in our exploration of the event tree.
for _, id := range request.EarliestEventsIDs {
visited[id] = true
}
front = request.EarliestEventsIDs
// this will include these events which is what we want
front = request.PrevEventIDs()
// Scan the event tree for events to send back.
resultNIDs, err := r.scanEventTree(ctx, front, visited, request.Limit, request.ServerName)
@ -534,10 +528,15 @@ func (r *RoomserverInternalAPI) backfillViaFederation(ctx context.Context, req *
if err != nil {
return fmt.Errorf("backfillViaFederation: unknown room version for room %s : %w", req.RoomID, err)
}
requester := newBackfillRequester(r.DB, r.FedClient, r.ServerName)
requester := newBackfillRequester(r.DB, r.FedClient, r.ServerName, req.BackwardsExtremities)
// Request 100 items regardless of what the query asks for.
// We don't want to go much higher than this.
// We can't honour exactly the limit as some sytests rely on requesting more for tests to pass
// (so we don't need to hit /state_ids which the test has no listener for)
// Specifically the test "Outbound federation can backfill events"
events, err := gomatrixserverlib.RequestBackfill(
ctx, requester,
r.KeyRing, req.RoomID, roomVer, req.EarliestEventsIDs, req.Limit)
r.KeyRing, req.RoomID, roomVer, req.PrevEventIDs(), 100)
if err != nil {
return err
}
@ -592,7 +591,7 @@ func (r *RoomserverInternalAPI) isServerCurrentlyInRoom(ctx context.Context, ser
return false, err
}
eventNIDs, err := r.DB.GetMembershipEventNIDsForRoom(ctx, roomNID, true)
eventNIDs, err := r.DB.GetMembershipEventNIDsForRoom(ctx, roomNID, true, false)
if err != nil {
return false, err
}

43
roomserver/internal/query_backfill.go
View file

@ -7,6 +7,7 @@ import (
"github.com/matrix-org/dendrite/roomserver/storage"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
"github.com/sirupsen/logrus"
)
@ -15,6 +16,7 @@ type backfillRequester struct {
db storage.Database
fedClient *gomatrixserverlib.FederationClient
thisServer gomatrixserverlib.ServerName
bwExtrems map[string][]string
// per-request state
servers []gomatrixserverlib.ServerName
@ -22,13 +24,14 @@ type backfillRequester struct {
eventIDMap map[string]gomatrixserverlib.Event
}
func newBackfillRequester(db storage.Database, fedClient *gomatrixserverlib.FederationClient, thisServer gomatrixserverlib.ServerName) *backfillRequester {
func newBackfillRequester(db storage.Database, fedClient *gomatrixserverlib.FederationClient, thisServer gomatrixserverlib.ServerName, bwExtrems map[string][]string) *backfillRequester {
return &backfillRequester{
db: db,
fedClient: fedClient,
thisServer: thisServer,
eventIDToBeforeStateIDs: make(map[string][]string),
eventIDMap: make(map[string]gomatrixserverlib.Event),
bwExtrems: bwExtrems,
}
}
@ -37,6 +40,11 @@ func (b *backfillRequester) StateIDsBeforeEvent(ctx context.Context, targetEvent
if ids, ok := b.eventIDToBeforeStateIDs[targetEvent.EventID()]; ok {
return ids, nil
}
if len(targetEvent.PrevEventIDs()) == 0 && targetEvent.Type() == "m.room.create" && targetEvent.StateKeyEquals("") {
util.GetLogger(ctx).WithField("room_id", targetEvent.RoomID()).Info("Backfilled to the beginning of the room")
b.eventIDToBeforeStateIDs[targetEvent.EventID()] = []string{}
return nil, nil
}
// if we have exactly 1 prev event and we know the state of the room at that prev event, then just roll forward the prev event.
// Else, we have to hit /state_ids because either we don't know the state at all at this event (new backwards extremity) or
// we don't know the result of state res to merge forks (2 or more prev_events)
@ -154,26 +162,44 @@ func (b *backfillRequester) StateBeforeEvent(ctx context.Context, roomVer gomatr
// It returns a list of servers which can be queried for backfill requests. These servers
// will be servers that are in the room already. The entries at the beginning are preferred servers
// and will be tried first. An empty list will fail the request.
func (b *backfillRequester) ServersAtEvent(ctx context.Context, roomID, eventID string) (servers []gomatrixserverlib.ServerName) {
func (b *backfillRequester) ServersAtEvent(ctx context.Context, roomID, eventID string) []gomatrixserverlib.ServerName {
// eventID will be a prev_event ID of a backwards extremity, meaning we will not have a database entry for it. Instead, use
// its successor, so look it up.
successor := ""
FindSuccessor:
for sucID, prevEventIDs := range b.bwExtrems {
for _, pe := range prevEventIDs {
if pe == eventID {
successor = sucID
break FindSuccessor
}
}
}
if successor == "" {
logrus.WithField("event_id", eventID).Error("ServersAtEvent: failed to find successor of this event to determine room state")
return nil
}
eventID = successor
// getMembershipsBeforeEventNID requires a NID, so retrieving the NID for
// the event is necessary.
NIDs, err := b.db.EventNIDs(ctx, []string{eventID})
if err != nil {
logrus.WithField("event_id", eventID).WithError(err).Error("ServersAtEvent: failed to get event NID for event")
return
return nil
}
stateEntries, err := stateBeforeEvent(ctx, b.db, NIDs[eventID])
if err != nil {
logrus.WithField("event_id", eventID).WithError(err).Error("ServersAtEvent: failed to load state before event")
return
return nil
}
// possibly return all joined servers depending on history visiblity
memberEventsFromVis, err := joinEventsFromHistoryVisibility(ctx, b.db, roomID, stateEntries)
if err != nil {
logrus.WithError(err).Error("ServersAtEvent: failed calculate servers from history visibility rules")
return
return nil
}
logrus.Infof("ServersAtEvent including %d current events from history visibility", len(memberEventsFromVis))
@ -183,7 +209,7 @@ func (b *backfillRequester) ServersAtEvent(ctx context.Context, roomID, eventID
memberEvents, err := getMembershipsAtState(ctx, b.db, stateEntries, true)
if err != nil {
logrus.WithField("event_id", eventID).WithError(err).Error("ServersAtEvent: failed to get memberships before event")
return
return nil
}
memberEvents = append(memberEvents, memberEventsFromVis...)
@ -192,6 +218,7 @@ func (b *backfillRequester) ServersAtEvent(ctx context.Context, roomID, eventID
for _, event := range memberEvents {
serverSet[event.Origin()] = true
}
var servers []gomatrixserverlib.ServerName
for server := range serverSet {
if server == b.thisServer {
continue
@ -199,7 +226,7 @@ func (b *backfillRequester) ServersAtEvent(ctx context.Context, roomID, eventID
servers = append(servers, server)
}
b.servers = servers
return
return servers
}
// Backfill performs a backfill request to the given server.
@ -270,7 +297,7 @@ func joinEventsFromHistoryVisibility(
if err != nil {
return nil, err
}
joinEventNIDs, err := db.GetMembershipEventNIDsForRoom(ctx, roomNID, true)
joinEventNIDs, err := db.GetMembershipEventNIDsForRoom(ctx, roomNID, true, false)
if err != nil {
return nil, err
}

4
roomserver/storage/interface.go
View file

@ -83,9 +83,9 @@ type Database interface {
GetAliasesForRoomID(ctx context.Context, roomID string) ([]string, error)
GetCreatorIDForAlias(ctx context.Context, alias string) (string, error)
RemoveRoomAlias(ctx context.Context, alias string) error
MembershipUpdater(ctx context.Context, roomID, targetUserID string, roomVersion gomatrixserverlib.RoomVersion) (types.MembershipUpdater, error)
MembershipUpdater(ctx context.Context, roomID, targetUserID string, targetLocal bool, roomVersion gomatrixserverlib.RoomVersion) (types.MembershipUpdater, error)
GetMembership(ctx context.Context, roomNID types.RoomNID, requestSenderUserID string) (membershipEventNID types.EventNID, stillInRoom bool, err error)
GetMembershipEventNIDsForRoom(ctx context.Context, roomNID types.RoomNID, joinOnly bool) ([]types.EventNID, error)
GetMembershipEventNIDsForRoom(ctx context.Context, roomNID types.RoomNID, joinOnly bool, localOnly bool) ([]types.EventNID, error)
EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error)
GetRoomVersionForRoom(ctx context.Context, roomID string) (gomatrixserverlib.RoomVersion, error)
}

47
roomserver/storage/postgres/membership_table.go
View file

@ -59,6 +59,10 @@ CREATE TABLE IF NOT EXISTS roomserver_membership (
-- This NID is updated if the join event gets updated (e.g. profile update),
-- or if the user leaves/joins the room.
event_nid BIGINT NOT NULL DEFAULT 0,
-- Local target is true if the target_nid refers to a local user rather than
-- a federated one. This is an optimisation for resetting state on federated
-- room joins.
target_local BOOLEAN NOT NULL DEFAULT false,
UNIQUE (room_nid, target_nid)
);
`
@ -66,8 +70,8 @@ CREATE TABLE IF NOT EXISTS roomserver_membership (
// Insert a row in to membership table so that it can be locked by the
// SELECT FOR UPDATE
const insertMembershipSQL = "" +
"INSERT INTO roomserver_membership (room_nid, target_nid)" +
" VALUES ($1, $2)" +
"INSERT INTO roomserver_membership (room_nid, target_nid, target_local)" +
" VALUES ($1, $2, $3)" +
" ON CONFLICT DO NOTHING"
const selectMembershipFromRoomAndTargetSQL = "" +
@ -78,10 +82,20 @@ const selectMembershipsFromRoomAndMembershipSQL = "" +
"SELECT event_nid FROM roomserver_membership" +
" WHERE room_nid = $1 AND membership_nid = $2"
const selectLocalMembershipsFromRoomAndMembershipSQL = "" +
"SELECT event_nid FROM roomserver_membership" +
" WHERE room_nid = $1 AND membership_nid = $2" +
" AND target_local = true"
const selectMembershipsFromRoomSQL = "" +
"SELECT event_nid FROM roomserver_membership" +
" WHERE room_nid = $1"
const selectLocalMembershipsFromRoomSQL = "" +
"SELECT event_nid FROM roomserver_membership" +
" WHERE room_nid = $1" +
" AND target_local = true"
const selectMembershipForUpdateSQL = "" +
"SELECT membership_nid FROM roomserver_membership" +
" WHERE room_nid = $1 AND target_nid = $2 FOR UPDATE"
@ -95,7 +109,9 @@ type membershipStatements struct {
selectMembershipForUpdateStmt *sql.Stmt
selectMembershipFromRoomAndTargetStmt *sql.Stmt
selectMembershipsFromRoomAndMembershipStmt *sql.Stmt
selectLocalMembershipsFromRoomAndMembershipStmt *sql.Stmt
selectMembershipsFromRoomStmt *sql.Stmt
selectLocalMembershipsFromRoomStmt *sql.Stmt
updateMembershipStmt *sql.Stmt
}
@ -110,7 +126,9 @@ func (s *membershipStatements) prepare(db *sql.DB) (err error) {
{&s.selectMembershipForUpdateStmt, selectMembershipForUpdateSQL},
{&s.selectMembershipFromRoomAndTargetStmt, selectMembershipFromRoomAndTargetSQL},
{&s.selectMembershipsFromRoomAndMembershipStmt, selectMembershipsFromRoomAndMembershipSQL},
{&s.selectLocalMembershipsFromRoomAndMembershipStmt, selectLocalMembershipsFromRoomAndMembershipSQL},
{&s.selectMembershipsFromRoomStmt, selectMembershipsFromRoomSQL},
{&s.selectLocalMembershipsFromRoomStmt, selectLocalMembershipsFromRoomSQL},
{&s.updateMembershipStmt, updateMembershipSQL},
}.prepare(db)
}
@ -118,9 +136,10 @@ func (s *membershipStatements) prepare(db *sql.DB) (err error) {
func (s *membershipStatements) insertMembership(
ctx context.Context,
txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID,
localTarget bool,
) error {
stmt := common.TxStmt(txn, s.insertMembershipStmt)
_, err := stmt.ExecContext(ctx, roomNID, targetUserNID)
_, err := stmt.ExecContext(ctx, roomNID, targetUserNID, localTarget)
return err
}
@ -145,9 +164,15 @@ func (s *membershipStatements) selectMembershipFromRoomAndTarget(
}
func (s *membershipStatements) selectMembershipsFromRoom(
ctx context.Context, roomNID types.RoomNID,
ctx context.Context, roomNID types.RoomNID, localOnly bool,
) (eventNIDs []types.EventNID, err error) {
rows, err := s.selectMembershipsFromRoomStmt.QueryContext(ctx, roomNID)
var stmt *sql.Stmt
if localOnly {
stmt = s.selectLocalMembershipsFromRoomStmt
} else {
stmt = s.selectMembershipsFromRoomStmt
}
rows, err := stmt.QueryContext(ctx, roomNID)
if err != nil {
return
}
@ -165,10 +190,16 @@ func (s *membershipStatements) selectMembershipsFromRoom(
func (s *membershipStatements) selectMembershipsFromRoomAndMembership(
ctx context.Context,
roomNID types.RoomNID, membership membershipState,
roomNID types.RoomNID, membership membershipState, localOnly bool,
) (eventNIDs []types.EventNID, err error) {
stmt := s.selectMembershipsFromRoomAndMembershipStmt
rows, err := stmt.QueryContext(ctx, roomNID, membership)
var rows *sql.Rows
var stmt *sql.Stmt
if localOnly {
stmt = s.selectLocalMembershipsFromRoomAndMembershipStmt
} else {
stmt = s.selectMembershipsFromRoomAndMembershipStmt
}
rows, err = stmt.QueryContext(ctx, roomNID, membership)
if err != nil {
return
}

17
roomserver/storage/postgres/storage.go
View file

@ -459,8 +459,8 @@ func (u *roomRecentEventsUpdater) MarkEventAsSent(eventNID types.EventNID) error
return u.d.statements.updateEventSentToOutput(u.ctx, u.txn, eventNID)
}
func (u *roomRecentEventsUpdater) MembershipUpdater(targetUserNID types.EventStateKeyNID) (types.MembershipUpdater, error) {
return u.d.membershipUpdaterTxn(u.ctx, u.txn, u.roomNID, targetUserNID)
func (u *roomRecentEventsUpdater) MembershipUpdater(targetUserNID types.EventStateKeyNID, targetLocal bool) (types.MembershipUpdater, error) {
return u.d.membershipUpdaterTxn(u.ctx, u.txn, u.roomNID, targetUserNID, targetLocal)
}
// RoomNID implements query.RoomserverQueryAPIDB
@ -558,7 +558,7 @@ func (d *Database) StateEntriesForTuples(
// MembershipUpdater implements input.RoomEventDatabase
func (d *Database) MembershipUpdater(
ctx context.Context, roomID, targetUserID string,
roomVersion gomatrixserverlib.RoomVersion,
targetLocal bool, roomVersion gomatrixserverlib.RoomVersion,
) (types.MembershipUpdater, error) {
txn, err := d.db.Begin()
if err != nil {
@ -581,7 +581,7 @@ func (d *Database) MembershipUpdater(
return nil, err
}
updater, err := d.membershipUpdaterTxn(ctx, txn, roomNID, targetUserNID)
updater, err := d.membershipUpdaterTxn(ctx, txn, roomNID, targetUserNID, targetLocal)
if err != nil {
return nil, err
}
@ -603,9 +603,10 @@ func (d *Database) membershipUpdaterTxn(
txn *sql.Tx,
roomNID types.RoomNID,
targetUserNID types.EventStateKeyNID,
targetLocal bool,
) (types.MembershipUpdater, error) {
if err := d.statements.insertMembership(ctx, txn, roomNID, targetUserNID); err != nil {
if err := d.statements.insertMembership(ctx, txn, roomNID, targetUserNID, targetLocal); err != nil {
return nil, err
}
@ -748,15 +749,15 @@ func (d *Database) GetMembership(
// GetMembershipEventNIDsForRoom implements query.RoomserverQueryAPIDB
func (d *Database) GetMembershipEventNIDsForRoom(
ctx context.Context, roomNID types.RoomNID, joinOnly bool,
ctx context.Context, roomNID types.RoomNID, joinOnly bool, localOnly bool,
) ([]types.EventNID, error) {
if joinOnly {
return d.statements.selectMembershipsFromRoomAndMembership(
ctx, roomNID, membershipStateJoin,
ctx, roomNID, membershipStateJoin, localOnly,
)
}
return d.statements.selectMembershipsFromRoom(ctx, roomNID)
return d.statements.selectMembershipsFromRoom(ctx, roomNID, localOnly)
}
// EventsFromIDs implements query.RoomserverQueryAPIEventDB

41
roomserver/storage/sqlite3/membership_table.go
View file

@ -38,6 +38,7 @@ const membershipSchema = `
sender_nid INTEGER NOT NULL DEFAULT 0,
membership_nid INTEGER NOT NULL DEFAULT 1,
event_nid INTEGER NOT NULL DEFAULT 0,
target_local BOOLEAN NOT NULL DEFAULT false,
UNIQUE (room_nid, target_nid)
);
`
@ -45,8 +46,8 @@ const membershipSchema = `
// Insert a row in to membership table so that it can be locked by the
// SELECT FOR UPDATE
const insertMembershipSQL = "" +
"INSERT INTO roomserver_membership (room_nid, target_nid)" +
" VALUES ($1, $2)" +
"INSERT INTO roomserver_membership (room_nid, target_nid, target_local)" +
" VALUES ($1, $2, $3)" +
" ON CONFLICT DO NOTHING"
const selectMembershipFromRoomAndTargetSQL = "" +
@ -57,10 +58,20 @@ const selectMembershipsFromRoomAndMembershipSQL = "" +
"SELECT event_nid FROM roomserver_membership" +
" WHERE room_nid = $1 AND membership_nid = $2"
const selectLocalMembershipsFromRoomAndMembershipSQL = "" +
"SELECT event_nid FROM roomserver_membership" +
" WHERE room_nid = $1 AND membership_nid = $2" +
" AND target_local = true"
const selectMembershipsFromRoomSQL = "" +
"SELECT event_nid FROM roomserver_membership" +
" WHERE room_nid = $1"
const selectLocalMembershipsFromRoomSQL = "" +
"SELECT event_nid FROM roomserver_membership" +
" WHERE room_nid = $1" +
" AND target_local = true"
const selectMembershipForUpdateSQL = "" +
"SELECT membership_nid FROM roomserver_membership" +
" WHERE room_nid = $1 AND target_nid = $2"
@ -74,7 +85,9 @@ type membershipStatements struct {
selectMembershipForUpdateStmt *sql.Stmt
selectMembershipFromRoomAndTargetStmt *sql.Stmt
selectMembershipsFromRoomAndMembershipStmt *sql.Stmt
selectLocalMembershipsFromRoomAndMembershipStmt *sql.Stmt
selectMembershipsFromRoomStmt *sql.Stmt
selectLocalMembershipsFromRoomStmt *sql.Stmt
updateMembershipStmt *sql.Stmt
}
@ -89,7 +102,9 @@ func (s *membershipStatements) prepare(db *sql.DB) (err error) {
{&s.selectMembershipForUpdateStmt, selectMembershipForUpdateSQL},
{&s.selectMembershipFromRoomAndTargetStmt, selectMembershipFromRoomAndTargetSQL},
{&s.selectMembershipsFromRoomAndMembershipStmt, selectMembershipsFromRoomAndMembershipSQL},
{&s.selectLocalMembershipsFromRoomAndMembershipStmt, selectLocalMembershipsFromRoomAndMembershipSQL},
{&s.selectMembershipsFromRoomStmt, selectMembershipsFromRoomSQL},
{&s.selectLocalMembershipsFromRoomStmt, selectLocalMembershipsFromRoomSQL},
{&s.updateMembershipStmt, updateMembershipSQL},
}.prepare(db)
}
@ -97,9 +112,10 @@ func (s *membershipStatements) prepare(db *sql.DB) (err error) {
func (s *membershipStatements) insertMembership(
ctx context.Context, txn *sql.Tx,
roomNID types.RoomNID, targetUserNID types.EventStateKeyNID,
localTarget bool,
) error {
stmt := common.TxStmt(txn, s.insertMembershipStmt)
_, err := stmt.ExecContext(ctx, roomNID, targetUserNID)
_, err := stmt.ExecContext(ctx, roomNID, targetUserNID, localTarget)
return err
}
@ -127,9 +143,14 @@ func (s *membershipStatements) selectMembershipFromRoomAndTarget(
func (s *membershipStatements) selectMembershipsFromRoom(
ctx context.Context, txn *sql.Tx,
roomNID types.RoomNID,
roomNID types.RoomNID, localOnly bool,
) (eventNIDs []types.EventNID, err error) {
selectStmt := common.TxStmt(txn, s.selectMembershipsFromRoomStmt)
var selectStmt *sql.Stmt
if localOnly {
selectStmt = common.TxStmt(txn, s.selectLocalMembershipsFromRoomStmt)
} else {
selectStmt = common.TxStmt(txn, s.selectMembershipsFromRoomStmt)
}
rows, err := selectStmt.QueryContext(ctx, roomNID)
if err != nil {
return nil, err
@ -145,11 +166,17 @@ func (s *membershipStatements) selectMembershipsFromRoom(
}
return
}
func (s *membershipStatements) selectMembershipsFromRoomAndMembership(
ctx context.Context, txn *sql.Tx,
roomNID types.RoomNID, membership membershipState,
roomNID types.RoomNID, membership membershipState, localOnly bool,
) (eventNIDs []types.EventNID, err error) {
stmt := common.TxStmt(txn, s.selectMembershipsFromRoomAndMembershipStmt)
var stmt *sql.Stmt
if localOnly {
stmt = common.TxStmt(txn, s.selectLocalMembershipsFromRoomAndMembershipStmt)
} else {
stmt = common.TxStmt(txn, s.selectMembershipsFromRoomAndMembershipStmt)
}
rows, err := stmt.QueryContext(ctx, roomNID, membership)
if err != nil {
return

17
roomserver/storage/sqlite3/storage.go
View file

@ -569,9 +569,9 @@ func (u *roomRecentEventsUpdater) MarkEventAsSent(eventNID types.EventNID) error
return err
}
func (u *roomRecentEventsUpdater) MembershipUpdater(targetUserNID types.EventStateKeyNID) (mu types.MembershipUpdater, err error) {
func (u *roomRecentEventsUpdater) MembershipUpdater(targetUserNID types.EventStateKeyNID, targetLocal bool) (mu types.MembershipUpdater, err error) {
err = common.WithTransaction(u.d.db, func(txn *sql.Tx) error {
mu, err = u.d.membershipUpdaterTxn(u.ctx, txn, u.roomNID, targetUserNID)
mu, err = u.d.membershipUpdaterTxn(u.ctx, txn, u.roomNID, targetUserNID, targetLocal)
return err
})
return
@ -680,7 +680,7 @@ func (d *Database) StateEntriesForTuples(
// MembershipUpdater implements input.RoomEventDatabase
func (d *Database) MembershipUpdater(
ctx context.Context, roomID, targetUserID string,
roomVersion gomatrixserverlib.RoomVersion,
targetLocal bool, roomVersion gomatrixserverlib.RoomVersion,
) (updater types.MembershipUpdater, err error) {
var txn *sql.Tx
txn, err = d.db.Begin()
@ -716,7 +716,7 @@ func (d *Database) MembershipUpdater(
return nil, err
}
updater, err = d.membershipUpdaterTxn(ctx, txn, roomNID, targetUserNID)
updater, err = d.membershipUpdaterTxn(ctx, txn, roomNID, targetUserNID, targetLocal)
if err != nil {
return nil, err
}
@ -738,9 +738,10 @@ func (d *Database) membershipUpdaterTxn(
txn *sql.Tx,
roomNID types.RoomNID,
targetUserNID types.EventStateKeyNID,
targetLocal bool,
) (types.MembershipUpdater, error) {
if err := d.statements.insertMembership(ctx, txn, roomNID, targetUserNID); err != nil {
if err := d.statements.insertMembership(ctx, txn, roomNID, targetUserNID, targetLocal); err != nil {
return nil, err
}
@ -896,17 +897,17 @@ func (d *Database) GetMembership(
// GetMembershipEventNIDsForRoom implements query.RoomserverQueryAPIDB
func (d *Database) GetMembershipEventNIDsForRoom(
ctx context.Context, roomNID types.RoomNID, joinOnly bool,
ctx context.Context, roomNID types.RoomNID, joinOnly bool, localOnly bool,
) (eventNIDs []types.EventNID, err error) {
err = common.WithTransaction(d.db, func(txn *sql.Tx) error {
if joinOnly {
eventNIDs, err = d.statements.selectMembershipsFromRoomAndMembership(
ctx, txn, roomNID, membershipStateJoin,
ctx, txn, roomNID, membershipStateJoin, localOnly,
)
return nil
}
eventNIDs, err = d.statements.selectMembershipsFromRoom(ctx, txn, roomNID)
eventNIDs, err = d.statements.selectMembershipsFromRoom(ctx, txn, roomNID, localOnly)
return nil
})
return

2
roomserver/types/types.go
View file

@ -172,7 +172,7 @@ type RoomRecentEventsUpdater interface {
MarkEventAsSent(eventNID EventNID) error
// Build a membership updater for the target user in this room.
// It will share the same transaction as this updater.
MembershipUpdater(targetUserNID EventStateKeyNID) (MembershipUpdater, error)
MembershipUpdater(targetUserNID EventStateKeyNID, isTargetLocalUser bool) (MembershipUpdater, error)
// Implements Transaction so it can be committed or rolledback
common.Transaction
}

14
syncapi/routing/messages.go
View file

@ -205,6 +205,7 @@ func (r *messagesReq) retrieveEvents() (
}
var events []gomatrixserverlib.HeaderedEvent
util.GetLogger(r.ctx).WithField("start", start).WithField("end", end).Infof("Fetched %d events locally", len(streamEvents))
// There can be two reasons for streamEvents to be empty: either we've
// reached the oldest event in the room (or the most recent one, depending
@ -373,11 +374,11 @@ func (e eventsByDepth) Less(i, j int) bool {
// event, or if there is no remote homeserver to contact.
// Returns an error if there was an issue with retrieving the list of servers in
// the room or sending the request.
func (r *messagesReq) backfill(roomID string, fromEventIDs []string, limit int) ([]gomatrixserverlib.HeaderedEvent, error) {
func (r *messagesReq) backfill(roomID string, backwardsExtremities map[string][]string, limit int) ([]gomatrixserverlib.HeaderedEvent, error) {
var res api.QueryBackfillResponse
err := r.rsAPI.QueryBackfill(context.Background(), &api.QueryBackfillRequest{
RoomID: roomID,
EarliestEventsIDs: fromEventIDs,
BackwardsExtremities: backwardsExtremities,
Limit: limit,
ServerName: r.cfg.Matrix.ServerName,
}, &res)
@ -412,7 +413,14 @@ func (r *messagesReq) backfill(roomID string, fromEventIDs []string, limit int)
}
}
return res.Events, nil
// we may have got more than the requested limit so resize now
events := res.Events
if len(events) > limit {
// last `limit` events
events = events[len(events)-limit:]
}
return events, nil
}
// setToDefault returns the default value for the "to" query parameter of a

5
syncapi/storage/interface.go
View file

@ -94,9 +94,8 @@ type Database interface {
GetEventsInTopologicalRange(ctx context.Context, from, to *types.TopologyToken, roomID string, limit int, backwardOrdering bool) (events []types.StreamEvent, err error)
// EventPositionInTopology returns the depth and stream position of the given event.
EventPositionInTopology(ctx context.Context, eventID string) (types.TopologyToken, error)
// BackwardExtremitiesForRoom returns the event IDs of all of the backward
// extremities we know of for a given room.
BackwardExtremitiesForRoom(ctx context.Context, roomID string) (backwardExtremities []string, err error)
// BackwardExtremitiesForRoom returns a map of backwards extremity event ID to a list of its prev_events.
BackwardExtremitiesForRoom(ctx context.Context, roomID string) (backwardExtremities map[string][]string, err error)
// MaxTopologicalPosition returns the highest topological position for a given room.
MaxTopologicalPosition(ctx context.Context, roomID string) (types.TopologyToken, error)
// StreamEventsToEvents converts streamEvent to Event. If device is non-nil and

13
syncapi/storage/postgres/backwards_extremities_table.go
View file

@ -41,7 +41,7 @@ const insertBackwardExtremitySQL = "" +
" ON CONFLICT DO NOTHING"
const selectBackwardExtremitiesForRoomSQL = "" +
"SELECT DISTINCT event_id FROM syncapi_backward_extremities WHERE room_id = $1"
"SELECT event_id, prev_event_id FROM syncapi_backward_extremities WHERE room_id = $1"
const deleteBackwardExtremitySQL = "" +
"DELETE FROM syncapi_backward_extremities WHERE room_id = $1 AND prev_event_id = $2"
@ -79,23 +79,24 @@ func (s *backwardExtremitiesStatements) InsertsBackwardExtremity(
func (s *backwardExtremitiesStatements) SelectBackwardExtremitiesForRoom(
ctx context.Context, roomID string,
) (eventIDs []string, err error) {
) (bwExtrems map[string][]string, err error) {
rows, err := s.selectBackwardExtremitiesForRoomStmt.QueryContext(ctx, roomID)
if err != nil {
return
}
defer common.CloseAndLogIfError(ctx, rows, "selectBackwardExtremitiesForRoom: rows.close() failed")
bwExtrems = make(map[string][]string)
for rows.Next() {
var eID string
if err = rows.Scan(&eID); err != nil {
var prevEventID string
if err = rows.Scan(&eID, &prevEventID); err != nil {
return
}
eventIDs = append(eventIDs, eID)
bwExtrems[eID] = append(bwExtrems[eID], prevEventID)
}
return eventIDs, rows.Err()
return bwExtrems, rows.Err()
}
func (s *backwardExtremitiesStatements) DeleteBackwardExtremity(

3
syncapi/storage/shared/syncserver.go
View file

@ -310,6 +310,7 @@ func (d *Database) updateRoomState(
}
membership = &value
}
if err := d.CurrentRoomState.UpsertRoomState(ctx, txn, event, membership, pduPosition); err != nil {
return err
}
@ -367,7 +368,7 @@ func (d *Database) SyncPosition(ctx context.Context) (tok types.StreamingToken,
func (d *Database) BackwardExtremitiesForRoom(
ctx context.Context, roomID string,
) (backwardExtremities []string, err error) {
) (backwardExtremities map[string][]string, err error) {
return d.BackwardExtremities.SelectBackwardExtremitiesForRoom(ctx, roomID)
}

13
syncapi/storage/sqlite3/backwards_extremities_table.go
View file

@ -41,7 +41,7 @@ const insertBackwardExtremitySQL = "" +
" ON CONFLICT (room_id, event_id, prev_event_id) DO NOTHING"
const selectBackwardExtremitiesForRoomSQL = "" +
"SELECT DISTINCT event_id FROM syncapi_backward_extremities WHERE room_id = $1"
"SELECT event_id, prev_event_id FROM syncapi_backward_extremities WHERE room_id = $1"
const deleteBackwardExtremitySQL = "" +
"DELETE FROM syncapi_backward_extremities WHERE room_id = $1 AND prev_event_id = $2"
@ -79,23 +79,24 @@ func (s *backwardExtremitiesStatements) InsertsBackwardExtremity(
func (s *backwardExtremitiesStatements) SelectBackwardExtremitiesForRoom(
ctx context.Context, roomID string,
) (eventIDs []string, err error) {
) (bwExtrems map[string][]string, err error) {
rows, err := s.selectBackwardExtremitiesForRoomStmt.QueryContext(ctx, roomID)
if err != nil {
return
}
defer common.CloseAndLogIfError(ctx, rows, "selectBackwardExtremitiesForRoom: rows.close() failed")
bwExtrems = make(map[string][]string)
for rows.Next() {
var eID string
if err = rows.Scan(&eID); err != nil {
var prevEventID string
if err = rows.Scan(&eID, &prevEventID); err != nil {
return
}
eventIDs = append(eventIDs, eID)
bwExtrems[eID] = append(bwExtrems[eID], prevEventID)
}
return eventIDs, rows.Err()
return bwExtrems, rows.Err()
}
func (s *backwardExtremitiesStatements) DeleteBackwardExtremity(

4
syncapi/storage/tables/interface.go
View file

@ -89,8 +89,8 @@ type CurrentRoomState interface {
type BackwardsExtremities interface {
// InsertsBackwardExtremity inserts a new backwards extremity.
InsertsBackwardExtremity(ctx context.Context, txn *sql.Tx, roomID, eventID string, prevEventID string) (err error)
// SelectBackwardExtremitiesForRoom retrieves all backwards extremities for the room.
SelectBackwardExtremitiesForRoom(ctx context.Context, roomID string) (eventIDs []string, err error)
// SelectBackwardExtremitiesForRoom retrieves all backwards extremities for the room, as a map of event_id to list of prev_event_ids.
SelectBackwardExtremitiesForRoom(ctx context.Context, roomID string) (bwExtrems map[string][]string, err error)
// DeleteBackwardExtremity removes a backwards extremity for a room, if one existed.
DeleteBackwardExtremity(ctx context.Context, txn *sql.Tx, roomID, knownEventID string) (err error)
}

22
syncapi/sync/request.go
View file

@ -16,6 +16,7 @@ package sync
import (
"context"
"encoding/json"
"net/http"
"strconv"
"time"
@ -30,6 +31,14 @@ import (
const defaultSyncTimeout = time.Duration(0)
const defaultTimelineLimit = 20
type filter struct {
Room struct {
Timeline struct {
Limit *int `json:"limit"`
} `json:"timeline"`
} `json:"room"`
}
// syncRequest represents a /sync request, with sensible defaults/sanity checks applied.
type syncRequest struct {
ctx context.Context
@ -54,6 +63,17 @@ func newSyncRequest(req *http.Request, device authtypes.Device) (*syncRequest, e
}
since = &tok
}
timelineLimit := defaultTimelineLimit
// TODO: read from stored filters too
filterQuery := req.URL.Query().Get("filter")
if filterQuery != "" && filterQuery[0] == '{' {
// attempt to parse the timeline limit at least
var f filter
err := json.Unmarshal([]byte(filterQuery), &f)
if err == nil && f.Room.Timeline.Limit != nil {
timelineLimit = *f.Room.Timeline.Limit
}
}
// TODO: Additional query params: set_presence, filter
return &syncRequest{
ctx: req.Context(),
@ -61,7 +81,7 @@ func newSyncRequest(req *http.Request, device authtypes.Device) (*syncRequest, e
timeout: timeout,
since: since,
wantFullState: wantFullState,
limit: defaultTimelineLimit, // TODO: read from filter
limit: timelineLimit,
log: util.GetLogger(req.Context()),
}, nil
}

1
syncapi/sync/requestpool.go
View file

@ -59,6 +59,7 @@ func (rp *RequestPool) OnIncomingSyncRequest(req *http.Request, device *authtype
"userID": userID,
"since": syncReq.since,
"timeout": syncReq.timeout,
"limit": syncReq.limit,
})
currPos := rp.notifier.CurrentPosition()

5
sytest-whitelist
View file

@ -279,3 +279,8 @@ Inbound federation can return missing events for invite visibility
Inbound federation can get public room list
An event which redacts itself should be ignored
A pair of events which redact each other should be ignored
Outbound federation can backfill events
Inbound federation can backfill events
Backfill checks the events requested belong to the room
Backfilled events whose prev_events are in a different room do not allow cross-room back-pagination
Outbound federation can request missing events