Archived
1
0
This repository has been archived on 2023-08-12. You can view files and clone it, but cannot push or open issues or pull requests.
nntpchan/contrib/backends/srndv2/src/srnd/frontend_multi.go
2017-04-04 07:48:45 -04:00

61 lines
1.2 KiB
Go

//
// frontend_multi.go
// frontend multiplexer
//
package srnd
// muxed frontend for holding many frontends
type multiFrontend struct {
muxedpostchan chan frontendPost
frontends []Frontend
}
func (self multiFrontend) AllowNewsgroup(newsgroup string) bool {
return true
}
func (self multiFrontend) Regen(msg ArticleEntry) {
for _, front := range self.frontends {
front.Regen(msg)
}
}
func (self multiFrontend) Mainloop() {
for idx := range self.frontends {
go self.frontends[idx].Mainloop()
}
// poll for incoming
chnl := self.PostsChan()
for {
select {
case nntp := <-chnl:
for _, frontend := range self.frontends {
if frontend.AllowNewsgroup(nntp.Newsgroup()) {
ch := frontend.PostsChan()
ch <- nntp
}
}
break
}
}
}
func (self multiFrontend) PostsChan() chan frontendPost {
return self.muxedpostchan
}
func (self multiFrontend) RegenOnModEvent(newsgroup, msgid, root string, page int) {
for idx := range self.frontends {
self.frontends[idx].RegenOnModEvent(newsgroup, msgid, root, page)
}
}
func MuxFrontends(fronts ...Frontend) Frontend {
var front multiFrontend
front.muxedpostchan = make(chan frontendPost, 64)
front.frontends = fronts
return front
}