func StartClient(server string, port int) {
fmt.Println("Launching Brain Client...")
conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", server, port))
utils.ProcError(err)
chReceive := make(chan string)
chSend := make(chan string)
errCh := make(chan error)
// shellInvite := ">"
// read data goroutine
go utils.ReadData(bufio.NewReader(conn), chReceive, errCh)
go utils.ReadData(bufio.NewReader(os.Stdin), chSend, errCh)
ticker := time.Tick(time.Second)
for {
select {
case data := <-chReceive:
fmt.Println(data)
case data := <-chSend:
// make sure plain '\n' can be sent
fmt.Fprintf(conn, data)
case err := <-errCh:
utils.ProcError(err)
case <-ticker:
}
}
}
func NewServer(host string, port int, stateCh chan string) *Server {
ln, err := net.Listen("tcp", fmt.Sprintf("%s:%d", host, port))
utils.ProcError(err)
// use stoppable listener further on
sl, err := listener.New(ln)
utils.ProcError(err)
s := &Server{make([]*Game, 0), sl, stateCh, &sync.WaitGroup{}}
return s
}
func (s *Server) Start() {
game := s.addGame()
game.SystemMsg("Launching Brain Server...", true)
for {
conn, err := s.listener.Accept()
if err == listener.StoppedError {
game.SystemMsg("Server shutdown", true)
return
} else {
utils.ProcError(err)
}
game.joins <- conn
}
s.Stop()
}
func (client *Client) Read() {
game := client.Game
for {
line, err := client.reader.ReadString(settings.EOL)
oe, ok := err.(*net.OpError)
if err == io.EOF || ok && oe.Err == syscall.ECONNRESET {
game.SystemMsg(
fmt.Sprintf("Client %s disconnected", client.conn.RemoteAddr()), true)
client.Exit()
return
} else if err != nil && client.disconnected {
// XXX FIXME this read should not occur at all!!!
game.SystemMsg("WARN: reading from a disconnected client", false)
return
}
utils.ProcError(err)
client.incoming <- line
}
}
func connect() (net.Conn, string) {
conn, err := net.Dial("tcp", "127.0.0.1:9999")
utils.ProcError(err)
return conn, waitForData("(broadcast)")
}