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fix(GODT-2327): Properly cancel event stream when handling refresh

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This commit is contained in:
James Houlahan
2023-02-06 15:27:29 +01:00
committed by Jakub
parent ab1c1c474a
commit ca1996a670
2 changed files with 39 additions and 24 deletions
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5
internal/user/events.go
View File

@ -85,8 +85,11 @@ func (user *User) handleRefreshEvent(ctx context.Context, refresh proton.Refresh
l.WithError(err).Error("Failed to report refresh to sentry")
}
// Cancel the event stream once this refresh is done.
defer user.pollAbort.Abort()
// Cancel and restart ongoing syncs.
user.abortable.Abort()
user.syncAbort.Abort()
defer user.goSync()
return safe.LockRet(func() error {

32
internal/user/user.go
View File

@ -78,7 +78,8 @@ type User struct {
updateChLock safe.RWMutex
tasks *async.Group
abortable async.Abortable
syncAbort async.Abortable
pollAbort async.Abortable
goSync func()
pollAPIEventsCh chan chan struct{}
@ -182,12 +183,17 @@ func New(
}
}
// When triggered, attempt to sync the user.
// When triggered, sync the user and then begin streaming API events.
user.goSync = user.tasks.Trigger(func(ctx context.Context) {
user.log.Debug("Sync triggered")
user.abortable.Do(ctx, func(ctx context.Context) {
if !user.vault.SyncStatus().IsComplete() {
// Sync the user.
user.syncAbort.Do(ctx, func(ctx context.Context) {
if user.vault.SyncStatus().IsComplete() {
user.log.Debug("Sync already complete, skipping")
return
}
if err := user.doSync(ctx); err != nil {
user.log.WithError(err).Error("Failed to sync, will retry later")
@ -200,11 +206,15 @@ func New(
}
}()
}
}
})
// Once we know the sync has completed, we can start polling for API events.
if user.vault.SyncStatus().IsComplete() {
user.pollAbort.Do(ctx, func(ctx context.Context) {
user.startEvents(ctx)
})
}
})
return user, nil
@ -270,7 +280,8 @@ func (user *User) GetAddressMode() vault.AddressMode {
func (user *User) SetAddressMode(_ context.Context, mode vault.AddressMode) error {
user.log.WithField("mode", mode).Info("Setting address mode")
user.abortable.Abort()
user.syncAbort.Abort()
user.pollAbort.Abort()
defer user.goSync()
return safe.LockRet(func() error {
@ -461,7 +472,8 @@ func (user *User) OnStatusUp(context.Context) {
func (user *User) OnStatusDown(context.Context) {
user.log.Info("Connection is down")
user.abortable.Abort()
user.syncAbort.Abort()
user.pollAbort.Abort()
}
// GetSyncStatus returns the sync status of the user.
@ -471,6 +483,7 @@ func (user *User) GetSyncStatus() vault.SyncStatus {
// ClearSyncStatus clears the sync status of the user.
// This also drops any updates in the update channel(s).
// Warning: the gluon user must be removed and re-added if this happens!
func (user *User) ClearSyncStatus() error {
user.log.Info("Clearing sync status")
@ -481,6 +494,7 @@ func (user *User) ClearSyncStatus() error {
// clearSyncStatus clears the sync status of the user.
// This also drops any updates in the update channel(s).
// Warning: the gluon user must be removed and re-added if this happens!
// It is assumed that the eventLock, apiAddrsLock and updateChLock are already locked.
func (user *User) clearSyncStatus() error {
user.log.Info("Clearing sync status")
@ -593,9 +607,7 @@ func (user *User) startEvents(ctx context.Context) {
user.log.Debug("Event poll triggered")
if !user.vault.SyncStatus().IsComplete() {
user.log.Debug("Sync is incomplete, skipping event poll")
} else if err := user.doEventPoll(ctx); err != nil {
if err := user.doEventPoll(ctx); err != nil {
user.log.WithError(err).Error("Failed to poll events")
}