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package hub
import (
"go.blicky.net/tanja"
)
type Manager struct {
ses *tanja.Session
node *tanja.Node
closed chan bool
hubs map[string]*hub
}
func New(node *tanja.Node) *Manager {
s := &Manager{}
s.ses = node.Session()
s.closed = make(chan bool)
s.hubs = make(map[string]*hub)
s.node = node
s.ses.Register(true, "hub", nil, "new").Callback(func(t *tanja.Message) { s.tNew(t) })
s.ses.Register(false, "hub", nil, "close").Callback(func(t *tanja.Message) { s.tClose(t) })
return s
}
func (s *Manager) tNew(m *tanja.Message) {
n := m.Tup[1].String()
if s.hubs[n] != nil {
m.Reply(0)
} else if n != "" {
s.hubs[n] = newHub(s.node, n)
m.Reply(1)
}
m.Close()
}
func (s *Manager) tClose(m *tanja.Message) {
if m.Tup[1].WC() { // Close all
for _, h := range s.hubs {
go h.close()
}
s.hubs = make(map[string]*hub)
} else { // Close one
n := m.Tup[1].String()
if h := s.hubs[n]; h != nil {
delete(s.hubs, n)
go h.close()
}
}
}
func (s *Manager) Run() {
s.ses.Run()
// Close all hubs (in parallel)
ch := make(chan bool, 10)
for _, h := range s.hubs {
go func() {
h.close()
ch <- true
}()
}
for i := len(s.hubs); i > 0; i-- {
<-ch
}
close(s.closed)
}
func (s *Manager) Close() {
s.ses.Close()
<-s.closed
}
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