func (srv *Service) negotiateClientConn(mux frames.ChannelDialer, clientConn net.Conn) {
srv.log.Printf("Dialing new muxed connection for client %v", clientConn.RemoteAddr())
muxedConn, err := mux.Dial()
if err == frames.ChannelsExhausted {
srv.log.Printf("Ran out of channels when accepting new client connection from %v", clientConn.RemoteAddr())
clientConn.Close()
} else if err != nil {
srv.log.Printf("Error with manager connection when accepting new client connection from %v: %v", clientConn.RemoteAddr(), err)
srv.badMuxConn <- mux
clientConn.Close()
} else {
// Start multiplexing the connection into mux.
// TODO: Attempt to add deadlining when sending to the client.
srv.manager.HandleNewConnection(muxedConn, clientConn)
srv.log.Printf("Artemis client %v handed to connection manager", clientConn.RemoteAddr())
}
}
func (srv *Service) muxMatcher() {
var mux frames.ChannelDialer
for {
select {
case newDialer := <-srv.newMuxConn:
if mux != nil {
srv.log.Printf("Closing old mux connection %v", mux.GetInfo())
mux.Close()
}
mux = newDialer
srv.log.Printf("Installed new mux connection %v", mux.GetInfo())
case badDialer := <-srv.badMuxConn:
if mux == badDialer {
srv.log.Printf("Closing bad mux connection %v", mux.GetInfo())
mux.Close()
mux = nil
}
case clientConn := <-srv.newClientConn:
if mux == nil {
srv.log.Printf("Disconnected new client from %v: no mux client connected", clientConn.RemoteAddr())
clientConn.Close()
continue
}
go srv.negotiateClientConn(mux, clientConn)
}
}
}