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package internal
import (
"context"
"sync"
"github.com/Shopify/sarama"
fsAPI "github.com/matrix-org/dendrite/federationsender/api"
"github.com/matrix-org/dendrite/internal/caching"
"github.com/matrix-org/dendrite/internal/config"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/internal/perform"
"github.com/matrix-org/dendrite/roomserver/storage"
"github.com/matrix-org/gomatrixserverlib"
)
// RoomserverInternalAPI is an implementation of api.RoomserverInternalAPI
type RoomserverInternalAPI struct {
DB storage.Database
Cfg *config.RoomServer
Producer sarama.SyncProducer
Cache caching.RoomServerCaches
ServerName gomatrixserverlib.ServerName
KeyRing gomatrixserverlib.JSONVerifier
fsAPI fsAPI.FederationSenderInternalAPI
OutputRoomEventTopic string // Kafka topic for new output room events
Inviter *perform.Inviter
Joiner *perform.Joiner
Leaver *perform.Leaver
Publisher *perform.Publisher
Backfiller *perform.Backfiller
mutexes sync.Map // room ID -> *sync.Mutex, protects calls to processRoomEvent
}
func NewRoomserverAPI(
cfg *config.RoomServer, roomserverDB storage.Database, producer sarama.SyncProducer,
outputRoomEventTopic string, caches caching.RoomServerCaches,
keyRing gomatrixserverlib.JSONVerifier,
) *RoomserverInternalAPI {
a := &RoomserverInternalAPI{
DB: roomserverDB,
Cfg: cfg,
Producer: producer,
Cache: caches,
ServerName: cfg.Matrix.ServerName,
KeyRing: keyRing,
OutputRoomEventTopic: outputRoomEventTopic,
// perform-er structs get initialised when we have a federation sender to use
}
return a
}
// SetFederationSenderInputAPI passes in a federation sender input API reference
// so that we can avoid the chicken-and-egg problem of both the roomserver input API
// and the federation sender input API being interdependent.
func (r *RoomserverInternalAPI) SetFederationSenderAPI(fsAPI fsAPI.FederationSenderInternalAPI) {
r.fsAPI = fsAPI
r.Inviter = &perform.Inviter{
DB: r.DB,
Cfg: r.Cfg,
FSAPI: r.fsAPI,
RSAPI: r,
}
r.Joiner = &perform.Joiner{
ServerName: r.Cfg.Matrix.ServerName,
Cfg: r.Cfg,
DB: r.DB,
FSAPI: r.fsAPI,
RSAPI: r,
}
r.Leaver = &perform.Leaver{
Cfg: r.Cfg,
DB: r.DB,
FSAPI: r.fsAPI,
RSAPI: r,
}
r.Publisher = &perform.Publisher{
DB: r.DB,
}
r.Backfiller = &perform.Backfiller{
ServerName: r.ServerName,
DB: r.DB,
FSAPI: r.fsAPI,
KeyRing: r.KeyRing,
}
}
func (r *RoomserverInternalAPI) PerformInvite(
ctx context.Context,
req *api.PerformInviteRequest,
res *api.PerformInviteResponse,
) error {
outputEvents, err := r.Inviter.PerformInvite(ctx, req, res)
if err != nil {
return err
}
if len(outputEvents) == 0 {
return nil
}
return r.WriteOutputEvents(req.Event.RoomID(), outputEvents)
}
func (r *RoomserverInternalAPI) PerformJoin(
ctx context.Context,
req *api.PerformJoinRequest,
res *api.PerformJoinResponse,
) {
r.Joiner.PerformJoin(ctx, req, res)
}
func (r *RoomserverInternalAPI) PerformLeave(
ctx context.Context,
req *api.PerformLeaveRequest,
res *api.PerformLeaveResponse,
) error {
outputEvents, err := r.Leaver.PerformLeave(ctx, req, res)
if err != nil {
return err
}
if len(outputEvents) == 0 {
return nil
}
return r.WriteOutputEvents(req.RoomID, outputEvents)
}
func (r *RoomserverInternalAPI) PerformPublish(
ctx context.Context,
req *api.PerformPublishRequest,
res *api.PerformPublishResponse,
) {
r.Publisher.PerformPublish(ctx, req, res)
}
// Query a given amount (or less) of events prior to a given set of events.
func (r *RoomserverInternalAPI) PerformBackfill(
ctx context.Context,
request *api.PerformBackfillRequest,
response *api.PerformBackfillResponse,
) error {
return r.Backfiller.PerformBackfill(ctx, request, response)
}
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