flush on stop & function to close group
as opposite to OpenGroup
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parent
d970af8724
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@ -71,8 +71,9 @@ type Group struct {
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// and their dependencies.
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// and their dependencies.
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}
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}
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// OpenGroup creates a new Group with head at headPath. It returns an error if
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// it fails to open head file.
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func OpenGroup(headPath string) (g *Group, err error) {
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func OpenGroup(headPath string) (g *Group, err error) {
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dir := path.Dir(headPath)
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dir := path.Dir(headPath)
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head, err := OpenAutoFile(headPath)
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head, err := OpenAutoFile(headPath)
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if err != nil {
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if err != nil {
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@ -98,16 +99,27 @@ func OpenGroup(headPath string) (g *Group, err error) {
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return
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return
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}
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}
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// OnStart implements Service by starting the goroutine that checks file and
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// group limits.
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func (g *Group) OnStart() error {
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func (g *Group) OnStart() error {
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g.BaseService.OnStart()
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go g.processTicks()
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go g.processTicks()
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return nil
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return nil
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}
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}
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// NOTE: g.Head must be closed separately
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// OnStop implements Service by stopping the goroutine described above.
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// NOTE: g.Head must be closed separately using Close.
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func (g *Group) OnStop() {
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func (g *Group) OnStop() {
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g.BaseService.OnStop()
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g.ticker.Stop()
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g.ticker.Stop()
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g.Flush() // flush any uncommitted data
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}
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// Close closes the head file. The group must be stopped by this moment.
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func (g *Group) Close() {
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g.Flush() // flush any uncommitted data
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g.mtx.Lock()
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_ = g.Head.closeFile()
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g.mtx.Unlock()
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}
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}
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// SetHeadSizeLimit allows you to overwrite default head size limit - 10MB.
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// SetHeadSizeLimit allows you to overwrite default head size limit - 10MB.
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