// Handles the receiving + wrapping of messages, per conn.
// Consider using reflect.Select with one goroutine instead of n.
func (s *Swarm) fanInSingle(c conn.Conn) {
// cleanup all data associated with this child Connection.
defer func() {
// remove it from the map.
s.connsLock.Lock()
delete(s.conns, c.RemotePeer().Key())
s.connsLock.Unlock()
s.Children().Done()
c.Children().Done() // child of Conn as well.
}()
i := 0
for {
select {
case <-s.Closing(): // Swarm closing
return
case <-c.Closing(): // Conn closing
return
case data, ok := <-c.In():
if !ok {
log.Infof("%s in channel closed", c)
return // channel closed.
}
i++
log.Debugf("%s received message from %s (%d)", s.local, c.RemotePeer(), i)
s.Incoming <- msg.New(c.RemotePeer(), data)
}
}
}
