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Add typing notifications to /sync responses - fixes #635 (#718)

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This PR adds a new consumer for typing notifications in syncapi. It also brings changes to syncserver.go and some related files so EDUs can better fit in /sync responses.

Fixes #635.
Fixes #574.
This commit is contained in:
Alex Chen 2019-07-12 22:59:53 +08:00 • committed by GitHub
parent f8463063ac
commit 29841bed6b
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19 changed files with 712 additions and 252 deletions
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20
syncapi/sync/requestpool.go
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@ -31,13 +31,13 @@ import (
// RequestPool manages HTTP long-poll connections for /sync
type RequestPool struct {
db *storage.SyncServerDatabase
db *storage.SyncServerDatasource
accountDB *accounts.Database
notifier *Notifier
}
// NewRequestPool makes a new RequestPool
func NewRequestPool(db *storage.SyncServerDatabase, n *Notifier, adb *accounts.Database) *RequestPool {
func NewRequestPool(db *storage.SyncServerDatasource, n *Notifier, adb *accounts.Database) *RequestPool {
return &RequestPool{db, adb, n}
}
@ -92,11 +92,13 @@ func (rp *RequestPool) OnIncomingSyncRequest(req *http.Request, device *authtype
// respond with, so we skip the return an go back to waiting for content to
// be sent down or the request timing out.
var hasTimedOut bool
sincePos := *syncReq.since
for {
select {
// Wait for notifier to wake us up
case <-userStreamListener.GetNotifyChannel(currPos):
currPos = userStreamListener.GetStreamPosition()
case <-userStreamListener.GetNotifyChannel(sincePos):
currPos = userStreamListener.GetSyncPosition()
sincePos = currPos
// Or for timeout to expire
case <-timer.C:
// We just need to ensure we get out of the select after reaching the
@ -128,24 +130,24 @@ func (rp *RequestPool) OnIncomingSyncRequest(req *http.Request, device *authtype
}
}
func (rp *RequestPool) currentSyncForUser(req syncRequest, currentPos types.StreamPosition) (res *types.Response, err error) {
func (rp *RequestPool) currentSyncForUser(req syncRequest, latestPos types.SyncPosition) (res *types.Response, err error) {
// TODO: handle ignored users
if req.since == nil {
res, err = rp.db.CompleteSync(req.ctx, req.device.UserID, req.limit)
} else {
res, err = rp.db.IncrementalSync(req.ctx, req.device, *req.since, currentPos, req.limit)
res, err = rp.db.IncrementalSync(req.ctx, req.device, *req.since, latestPos, req.limit)
}
if err != nil {
return
}
res, err = rp.appendAccountData(res, req.device.UserID, req, currentPos)
res, err = rp.appendAccountData(res, req.device.UserID, req, latestPos.PDUPosition)
return
}
func (rp *RequestPool) appendAccountData(
data *types.Response, userID string, req syncRequest, currentPos types.StreamPosition,
data *types.Response, userID string, req syncRequest, currentPos int64,
) (*types.Response, error) {
// TODO: Account data doesn't have a sync position of its own, meaning that
// account data might be sent multiple time to the client if multiple account
@ -179,7 +181,7 @@ func (rp *RequestPool) appendAccountData(
}
// Sync is not initial, get all account data since the latest sync
dataTypes, err := rp.db.GetAccountDataInRange(req.ctx, userID, *req.since, currentPos)
dataTypes, err := rp.db.GetAccountDataInRange(req.ctx, userID, req.since.PDUPosition, currentPos)
if err != nil {
return nil, err
}