mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-08 18:16:59 +00:00
Roomserver updater changes (#1283)
* Take input transaction when setting up updaters * Fix nil pointer exceptions * Rename room recent events updater to latest events updater * Contd rename room recent events updater to latest events updater * Remove unnecessary interfaces for latest events and membership updaters
This commit is contained in:
parent
3d58417555
commit
775b04d776
@ -24,6 +24,7 @@ import (
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/roomserver/state"
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"github.com/matrix-org/dendrite/roomserver/storage/shared"
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"github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/util"
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@ -92,7 +93,7 @@ func (r *RoomserverInternalAPI) updateLatestEvents(
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type latestEventsUpdater struct {
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ctx context.Context
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api *RoomserverInternalAPI
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updater types.RoomRecentEventsUpdater
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updater *shared.LatestEventsUpdater
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roomNID types.RoomNID
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stateAtEvent types.StateAtEvent
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event gomatrixserverlib.Event
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@ -19,6 +19,7 @@ import (
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"fmt"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/roomserver/storage/shared"
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"github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/gomatrixserverlib"
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)
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@ -29,7 +30,7 @@ import (
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// consumers about the invites added or retired by the change in current state.
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func (r *RoomserverInternalAPI) updateMemberships(
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ctx context.Context,
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updater types.RoomRecentEventsUpdater,
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updater *shared.LatestEventsUpdater,
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removed, added []types.StateEntry,
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) ([]api.OutputEvent, error) {
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changes := membershipChanges(removed, added)
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@ -77,7 +78,7 @@ func (r *RoomserverInternalAPI) updateMemberships(
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}
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func (r *RoomserverInternalAPI) updateMembership(
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updater types.RoomRecentEventsUpdater,
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updater *shared.LatestEventsUpdater,
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targetUserNID types.EventStateKeyNID,
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remove, add *gomatrixserverlib.Event,
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updates []api.OutputEvent,
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@ -141,7 +142,7 @@ func (r *RoomserverInternalAPI) isLocalTarget(event *gomatrixserverlib.Event) bo
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}
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func updateToInviteMembership(
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mu types.MembershipUpdater, add *gomatrixserverlib.Event, updates []api.OutputEvent,
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mu *shared.MembershipUpdater, add *gomatrixserverlib.Event, updates []api.OutputEvent,
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roomVersion gomatrixserverlib.RoomVersion,
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) ([]api.OutputEvent, error) {
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// We may have already sent the invite to the user, either because we are
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@ -171,7 +172,7 @@ func updateToInviteMembership(
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}
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func updateToJoinMembership(
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mu types.MembershipUpdater, add *gomatrixserverlib.Event, updates []api.OutputEvent,
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mu *shared.MembershipUpdater, add *gomatrixserverlib.Event, updates []api.OutputEvent,
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) ([]api.OutputEvent, error) {
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// If the user is already marked as being joined, we call SetToJoin to update
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// the event ID then we can return immediately. Retired is ignored as there
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@ -207,7 +208,7 @@ func updateToJoinMembership(
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}
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func updateToLeaveMembership(
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mu types.MembershipUpdater, add *gomatrixserverlib.Event,
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mu *shared.MembershipUpdater, add *gomatrixserverlib.Event,
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newMembership string, updates []api.OutputEvent,
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) ([]api.OutputEvent, error) {
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// If the user is already neither joined, nor invited to the room then we
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@ -18,6 +18,7 @@ import (
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"context"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/roomserver/storage/shared"
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"github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/gomatrixserverlib"
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)
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@ -86,7 +87,7 @@ type Database interface {
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// The RoomRecentEventsUpdater must have Commit or Rollback called on it if this doesn't return an error.
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// Returns the latest events in the room and the last eventID sent to the log along with an updater.
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// If this returns an error then no further action is required.
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GetLatestEventsForUpdate(ctx context.Context, roomNID types.RoomNID) (types.RoomRecentEventsUpdater, error)
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GetLatestEventsForUpdate(ctx context.Context, roomNID types.RoomNID) (*shared.LatestEventsUpdater, error)
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// Look up event ID by transaction's info.
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// This is used to determine if the room event is processed/processing already.
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// Returns an empty string if no such event exists.
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@ -123,7 +124,7 @@ type Database interface {
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// Returns an error if there was a problem talking to the database.
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RemoveRoomAlias(ctx context.Context, alias string) error
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// Build a membership updater for the target user in a room.
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MembershipUpdater(ctx context.Context, roomID, targetUserID string, targetLocal bool, roomVersion gomatrixserverlib.RoomVersion) (types.MembershipUpdater, error)
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MembershipUpdater(ctx context.Context, roomID, targetUserID string, targetLocal bool, roomVersion gomatrixserverlib.RoomVersion) (*shared.MembershipUpdater, error)
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// Lookup the membership of a given user in a given room.
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// Returns the numeric ID of the latest membership event sent from this user
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// in this room, along a boolean set to true if the user is still in this room,
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@ -8,7 +8,7 @@ import (
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"github.com/matrix-org/gomatrixserverlib"
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)
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type roomRecentEventsUpdater struct {
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type LatestEventsUpdater struct {
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transaction
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d *Database
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roomNID types.RoomNID
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@ -17,11 +17,7 @@ type roomRecentEventsUpdater struct {
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currentStateSnapshotNID types.StateSnapshotNID
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}
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func NewRoomRecentEventsUpdater(d *Database, ctx context.Context, roomNID types.RoomNID, useTxns bool) (types.RoomRecentEventsUpdater, error) {
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txn, err := d.DB.Begin()
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if err != nil {
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return nil, err
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}
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func NewLatestEventsUpdater(ctx context.Context, d *Database, txn *sql.Tx, roomNID types.RoomNID) (*LatestEventsUpdater, error) {
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eventNIDs, lastEventNIDSent, currentStateSnapshotNID, err :=
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d.RoomsTable.SelectLatestEventsNIDsForUpdate(ctx, txn, roomNID)
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if err != nil {
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@ -41,38 +37,34 @@ func NewRoomRecentEventsUpdater(d *Database, ctx context.Context, roomNID types.
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return nil, err
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}
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}
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if !useTxns {
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txn.Commit() // nolint: errcheck
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txn = nil
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}
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return &roomRecentEventsUpdater{
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return &LatestEventsUpdater{
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transaction{ctx, txn}, d, roomNID, stateAndRefs, lastEventIDSent, currentStateSnapshotNID,
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}, nil
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}
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// RoomVersion implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) RoomVersion() (version gomatrixserverlib.RoomVersion) {
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func (u *LatestEventsUpdater) RoomVersion() (version gomatrixserverlib.RoomVersion) {
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version, _ = u.d.GetRoomVersionForRoomNID(u.ctx, u.roomNID)
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return
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}
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// LatestEvents implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) LatestEvents() []types.StateAtEventAndReference {
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func (u *LatestEventsUpdater) LatestEvents() []types.StateAtEventAndReference {
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return u.latestEvents
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}
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// LastEventIDSent implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) LastEventIDSent() string {
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func (u *LatestEventsUpdater) LastEventIDSent() string {
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return u.lastEventIDSent
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}
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// CurrentStateSnapshotNID implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) CurrentStateSnapshotNID() types.StateSnapshotNID {
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func (u *LatestEventsUpdater) CurrentStateSnapshotNID() types.StateSnapshotNID {
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return u.currentStateSnapshotNID
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}
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// StorePreviousEvents implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) StorePreviousEvents(eventNID types.EventNID, previousEventReferences []gomatrixserverlib.EventReference) error {
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func (u *LatestEventsUpdater) StorePreviousEvents(eventNID types.EventNID, previousEventReferences []gomatrixserverlib.EventReference) error {
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for _, ref := range previousEventReferences {
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if err := u.d.PrevEventsTable.InsertPreviousEvent(u.ctx, u.txn, ref.EventID, ref.EventSHA256, eventNID); err != nil {
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return err
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@ -82,7 +74,7 @@ func (u *roomRecentEventsUpdater) StorePreviousEvents(eventNID types.EventNID, p
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}
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// IsReferenced implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) IsReferenced(eventReference gomatrixserverlib.EventReference) (bool, error) {
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func (u *LatestEventsUpdater) IsReferenced(eventReference gomatrixserverlib.EventReference) (bool, error) {
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err := u.d.PrevEventsTable.SelectPreviousEventExists(u.ctx, u.txn, eventReference.EventID, eventReference.EventSHA256)
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if err == nil {
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return true, nil
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@ -94,7 +86,7 @@ func (u *roomRecentEventsUpdater) IsReferenced(eventReference gomatrixserverlib.
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}
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// SetLatestEvents implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) SetLatestEvents(
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func (u *LatestEventsUpdater) SetLatestEvents(
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roomNID types.RoomNID, latest []types.StateAtEventAndReference, lastEventNIDSent types.EventNID,
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currentStateSnapshotNID types.StateSnapshotNID,
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) error {
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@ -106,15 +98,15 @@ func (u *roomRecentEventsUpdater) SetLatestEvents(
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}
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// HasEventBeenSent implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) HasEventBeenSent(eventNID types.EventNID) (bool, error) {
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func (u *LatestEventsUpdater) HasEventBeenSent(eventNID types.EventNID) (bool, error) {
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return u.d.EventsTable.SelectEventSentToOutput(u.ctx, u.txn, eventNID)
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}
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// MarkEventAsSent implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) MarkEventAsSent(eventNID types.EventNID) error {
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func (u *LatestEventsUpdater) MarkEventAsSent(eventNID types.EventNID) error {
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return u.d.EventsTable.UpdateEventSentToOutput(u.ctx, u.txn, eventNID)
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}
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func (u *roomRecentEventsUpdater) MembershipUpdater(targetUserNID types.EventStateKeyNID, targetLocal bool) (types.MembershipUpdater, error) {
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func (u *LatestEventsUpdater) MembershipUpdater(targetUserNID types.EventStateKeyNID, targetLocal bool) (*MembershipUpdater, error) {
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return u.d.membershipUpdaterTxn(u.ctx, u.txn, u.roomNID, targetUserNID, targetLocal)
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}
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@ -9,7 +9,7 @@ import (
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"github.com/matrix-org/gomatrixserverlib"
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)
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type membershipUpdater struct {
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type MembershipUpdater struct {
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transaction
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d *Database
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roomNID types.RoomNID
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@ -18,21 +18,9 @@ type membershipUpdater struct {
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}
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func NewMembershipUpdater(
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ctx context.Context, d *Database, roomID, targetUserID string,
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ctx context.Context, d *Database, txn *sql.Tx, roomID, targetUserID string,
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targetLocal bool, roomVersion gomatrixserverlib.RoomVersion,
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useTxns bool,
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) (types.MembershipUpdater, error) {
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txn, err := d.DB.Begin()
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if err != nil {
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return nil, err
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}
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succeeded := false
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defer func() {
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if !succeeded {
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txn.Rollback() // nolint: errcheck
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}
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}()
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) (*MembershipUpdater, error) {
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roomNID, err := d.assignRoomNID(ctx, txn, roomID, roomVersion)
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if err != nil {
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return nil, err
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@ -43,17 +31,7 @@ func NewMembershipUpdater(
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return nil, err
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}
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updater, err := d.membershipUpdaterTxn(ctx, txn, roomNID, targetUserNID, targetLocal)
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if err != nil {
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return nil, err
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}
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succeeded = true
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if !useTxns {
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txn.Commit() // nolint: errcheck
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updater.transaction.txn = nil
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}
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return updater, nil
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return d.membershipUpdaterTxn(ctx, txn, roomNID, targetUserNID, targetLocal)
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}
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func (d *Database) membershipUpdaterTxn(
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@ -62,7 +40,7 @@ func (d *Database) membershipUpdaterTxn(
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roomNID types.RoomNID,
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targetUserNID types.EventStateKeyNID,
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targetLocal bool,
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) (*membershipUpdater, error) {
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) (*MembershipUpdater, error) {
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if err := d.MembershipTable.InsertMembership(ctx, txn, roomNID, targetUserNID, targetLocal); err != nil {
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return nil, err
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@ -73,28 +51,28 @@ func (d *Database) membershipUpdaterTxn(
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return nil, err
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}
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return &membershipUpdater{
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return &MembershipUpdater{
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transaction{ctx, txn}, d, roomNID, targetUserNID, membership,
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}, nil
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}
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// IsInvite implements types.MembershipUpdater
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func (u *membershipUpdater) IsInvite() bool {
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func (u *MembershipUpdater) IsInvite() bool {
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return u.membership == tables.MembershipStateInvite
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}
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// IsJoin implements types.MembershipUpdater
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func (u *membershipUpdater) IsJoin() bool {
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func (u *MembershipUpdater) IsJoin() bool {
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return u.membership == tables.MembershipStateJoin
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}
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// IsLeave implements types.MembershipUpdater
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func (u *membershipUpdater) IsLeave() bool {
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func (u *MembershipUpdater) IsLeave() bool {
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return u.membership == tables.MembershipStateLeaveOrBan
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}
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// SetToInvite implements types.MembershipUpdater
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func (u *membershipUpdater) SetToInvite(event gomatrixserverlib.Event) (bool, error) {
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func (u *MembershipUpdater) SetToInvite(event gomatrixserverlib.Event) (bool, error) {
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senderUserNID, err := u.d.assignStateKeyNID(u.ctx, u.txn, event.Sender())
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if err != nil {
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return false, err
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@ -116,7 +94,7 @@ func (u *membershipUpdater) SetToInvite(event gomatrixserverlib.Event) (bool, er
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}
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// SetToJoin implements types.MembershipUpdater
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func (u *membershipUpdater) SetToJoin(senderUserID string, eventID string, isUpdate bool) ([]string, error) {
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func (u *MembershipUpdater) SetToJoin(senderUserID string, eventID string, isUpdate bool) ([]string, error) {
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var inviteEventIDs []string
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senderUserNID, err := u.d.assignStateKeyNID(u.ctx, u.txn, senderUserID)
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@ -153,7 +131,7 @@ func (u *membershipUpdater) SetToJoin(senderUserID string, eventID string, isUpd
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}
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// SetToLeave implements types.MembershipUpdater
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func (u *membershipUpdater) SetToLeave(senderUserID string, eventID string) ([]string, error) {
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func (u *MembershipUpdater) SetToLeave(senderUserID string, eventID string) ([]string, error) {
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senderUserNID, err := u.d.assignStateKeyNID(u.ctx, u.txn, senderUserID)
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if err != nil {
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return nil, err
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@ -332,14 +332,22 @@ func (d *Database) GetTransactionEventID(
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func (d *Database) MembershipUpdater(
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ctx context.Context, roomID, targetUserID string,
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targetLocal bool, roomVersion gomatrixserverlib.RoomVersion,
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) (types.MembershipUpdater, error) {
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return NewMembershipUpdater(ctx, d, roomID, targetUserID, targetLocal, roomVersion, true)
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) (*MembershipUpdater, error) {
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txn, err := d.DB.Begin()
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if err != nil {
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return nil, err
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}
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return NewMembershipUpdater(ctx, d, txn, roomID, targetUserID, targetLocal, roomVersion)
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}
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func (d *Database) GetLatestEventsForUpdate(
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ctx context.Context, roomNID types.RoomNID,
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) (types.RoomRecentEventsUpdater, error) {
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return NewRoomRecentEventsUpdater(d, ctx, roomNID, true)
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) (*LatestEventsUpdater, error) {
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txn, err := d.DB.Begin()
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if err != nil {
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return nil, err
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}
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return NewLatestEventsUpdater(ctx, d, txn, roomNID)
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}
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func (d *Database) StoreEvent(
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@ -326,9 +326,13 @@ func (s *eventStatements) BulkSelectStateAtEventAndReference(
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iEventNIDs[k] = v
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}
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selectOrig := strings.Replace(bulkSelectStateAtEventAndReferenceSQL, "($1)", sqlutil.QueryVariadic(len(iEventNIDs)), 1)
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selectPrep, err := s.db.Prepare(selectOrig)
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if err != nil {
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return nil, err
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}
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//////////////
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rows, err := txn.QueryContext(ctx, selectOrig, iEventNIDs...)
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rows, err := sqlutil.TxStmt(txn, selectPrep).QueryContext(ctx, iEventNIDs...)
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if err != nil {
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return nil, err
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}
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@ -372,7 +376,7 @@ func (s *eventStatements) BulkSelectEventReference(
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iEventNIDs[k] = v
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}
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selectOrig := strings.Replace(bulkSelectEventReferenceSQL, "($1)", sqlutil.QueryVariadic(len(iEventNIDs)), 1)
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selectPrep, err := txn.Prepare(selectOrig)
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selectPrep, err := s.db.Prepare(selectOrig)
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if err != nil {
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return nil, err
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}
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@ -471,7 +475,11 @@ func (s *eventStatements) SelectMaxEventDepth(ctx context.Context, txn *sql.Tx,
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iEventIDs[i] = v
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}
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sqlStr := strings.Replace(selectMaxEventDepthSQL, "($1)", sqlutil.QueryVariadic(len(iEventIDs)), 1)
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err := txn.QueryRowContext(ctx, sqlStr, iEventIDs...).Scan(&result)
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sqlPrep, err := s.db.Prepare(sqlStr)
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if err != nil {
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return 0, err
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}
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err = sqlutil.TxStmt(txn, sqlPrep).QueryRowContext(ctx, iEventIDs...).Scan(&result)
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if err != nil {
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return 0, err
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}
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@ -139,25 +139,25 @@ func Open(dbProperties *config.DatabaseOptions) (*Database, error) {
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func (d *Database) GetLatestEventsForUpdate(
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ctx context.Context, roomNID types.RoomNID,
|
||||
) (types.RoomRecentEventsUpdater, error) {
|
||||
) (*shared.LatestEventsUpdater, error) {
|
||||
// TODO: Do not use transactions. We should be holding open this transaction but we cannot have
|
||||
// multiple write transactions on sqlite. The code will perform additional
|
||||
// write transactions independent of this one which will consistently cause
|
||||
// 'database is locked' errors. As sqlite doesn't support multi-process on the
|
||||
// same DB anyway, and we only execute updates sequentially, the only worries
|
||||
// are for rolling back when things go wrong. (atomicity)
|
||||
return shared.NewRoomRecentEventsUpdater(&d.Database, ctx, roomNID, false)
|
||||
return shared.NewLatestEventsUpdater(ctx, &d.Database, nil, roomNID)
|
||||
}
|
||||
|
||||
func (d *Database) MembershipUpdater(
|
||||
ctx context.Context, roomID, targetUserID string,
|
||||
targetLocal bool, roomVersion gomatrixserverlib.RoomVersion,
|
||||
) (updater types.MembershipUpdater, err error) {
|
||||
) (*shared.MembershipUpdater, error) {
|
||||
// TODO: Do not use transactions. We should be holding open this transaction but we cannot have
|
||||
// multiple write transactions on sqlite. The code will perform additional
|
||||
// write transactions independent of this one which will consistently cause
|
||||
// 'database is locked' errors. As sqlite doesn't support multi-process on the
|
||||
// same DB anyway, and we only execute updates sequentially, the only worries
|
||||
// are for rolling back when things go wrong. (atomicity)
|
||||
return shared.NewMembershipUpdater(ctx, &d.Database, roomID, targetUserID, targetLocal, roomVersion, false)
|
||||
return shared.NewMembershipUpdater(ctx, &d.Database, nil, roomID, targetUserID, targetLocal, roomVersion)
|
||||
}
|
||||
|
@ -16,7 +16,6 @@
|
||||
package types
|
||||
|
||||
import (
|
||||
"github.com/matrix-org/dendrite/internal/sqlutil"
|
||||
"github.com/matrix-org/gomatrixserverlib"
|
||||
)
|
||||
|
||||
@ -140,68 +139,6 @@ type StateEntryList struct {
|
||||
StateEntries []StateEntry
|
||||
}
|
||||
|
||||
// A RoomRecentEventsUpdater is used to update the recent events in a room.
|
||||
// (On postgresql this wraps a database transaction that holds a "FOR UPDATE"
|
||||
// lock on the row in the rooms table holding the latest events for the room.)
|
||||
type RoomRecentEventsUpdater interface {
|
||||
// The room version of the room.
|
||||
RoomVersion() gomatrixserverlib.RoomVersion
|
||||
// The latest event IDs and state in the room.
|
||||
LatestEvents() []StateAtEventAndReference
|
||||
// The event ID of the latest event written to the output log in the room.
|
||||
LastEventIDSent() string
|
||||
// The current state of the room.
|
||||
CurrentStateSnapshotNID() StateSnapshotNID
|
||||
// Store the previous events referenced by an event.
|
||||
// This adds the event NID to an entry in the database for each of the previous events.
|
||||
// If there isn't an entry for one of previous events then an entry is created.
|
||||
// If the entry already lists the event NID as a referrer then the entry unmodified.
|
||||
// (i.e. the operation is idempotent)
|
||||
StorePreviousEvents(eventNID EventNID, previousEventReferences []gomatrixserverlib.EventReference) error
|
||||
// Check whether the eventReference is already referenced by another matrix event.
|
||||
IsReferenced(eventReference gomatrixserverlib.EventReference) (bool, error)
|
||||
// Set the list of latest events for the room.
|
||||
// This replaces the current list stored in the database with the given list
|
||||
SetLatestEvents(
|
||||
roomNID RoomNID, latest []StateAtEventAndReference, lastEventNIDSent EventNID,
|
||||
currentStateSnapshotNID StateSnapshotNID,
|
||||
) error
|
||||
// Check if the event has already be written to the output logs.
|
||||
HasEventBeenSent(eventNID EventNID) (bool, error)
|
||||
// Mark the event as having been sent to the output logs.
|
||||
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, isTargetLocalUser bool) (MembershipUpdater, error)
|
||||
// Implements Transaction so it can be committed or rolledback
|
||||
sqlutil.Transaction
|
||||
}
|
||||
|
||||
// A MembershipUpdater is used to update the membership of a user in a room.
|
||||
// (On postgresql this wraps a database transaction that holds a "FOR UPDATE"
|
||||
// lock on the row in the membership table for this user in the room)
|
||||
// The caller should call one of SetToInvite, SetToJoin or SetToLeave once to
|
||||
// make the update, or none of them if no update is required.
|
||||
type MembershipUpdater interface {
|
||||
// True if the target user is invited to the room before updating.
|
||||
IsInvite() bool
|
||||
// True if the target user is joined to the room before updating.
|
||||
IsJoin() bool
|
||||
// True if the target user is not invited or joined to the room before updating.
|
||||
IsLeave() bool
|
||||
// Set the state to invite.
|
||||
// Returns whether this invite needs to be sent
|
||||
SetToInvite(event gomatrixserverlib.Event) (needsSending bool, err error)
|
||||
// Set the state to join or updates the event ID in the database.
|
||||
// Returns a list of invite event IDs that this state change retired.
|
||||
SetToJoin(senderUserID string, eventID string, isUpdate bool) (inviteEventIDs []string, err error)
|
||||
// Set the state to leave.
|
||||
// Returns a list of invite event IDs that this state change retired.
|
||||
SetToLeave(senderUserID string, eventID string) (inviteEventIDs []string, err error)
|
||||
// Implements Transaction so it can be committed or rolledback.
|
||||
sqlutil.Transaction
|
||||
}
|
||||
|
||||
// A MissingEventError is an error that happened because the roomserver was
|
||||
// missing requested events from its database.
|
||||
type MissingEventError string
|
||||
|
Loading…
Reference in New Issue
Block a user