func iNewLspServer(port int, params *LspParams) (*LspServer, error) {
srv := new(LspServer)
srv.nextId = 1
if params == nil {
// Insert default parameters
params = &LspParams{5, 2000}
}
srv.params = params
hostport := fmt.Sprintf(":%v", port)
addr, err := lspnet.ResolveUDPAddr("udp", hostport)
if lsplog.CheckReport(1, err) {
return nil, err
}
srv.udpConn, err = lspnet.ListenUDP("udp", addr)
if lsplog.CheckReport(1, err) {
return nil, err
}
srv.readBuf = NewBuf()
// Need enough room to recycle close messages
srv.appReadChan = make(LspMessageChan, 1)
srv.appWriteChan = make(LspMessageChan)
srv.netInChan = make(networkChan)
srv.epochChan = make(chan int)
srv.connById = make(map[uint16]*lspConn)
srv.connByAddr = make(map[string]*lspConn)
srv.closeReplyChan = make(chan error, 1)
srv.closeAllReplyChan = make(chan error, 1)
srv.writeReplyChan = make(chan error, 1)
go srv.serverLoop()
go srv.udpReader()
go epochTrigger(srv.params.EpochMilliseconds, srv.epochChan, &srv.stopGlobalNetworkFlag)
return srv, nil
}
func (srv *LspServer) lspListen() error {
lsplog.Vlogf(1, "[Server] Attempting to listen to port to %d", srv.udpAddr.Port)
conn, e := lspnet.ListenUDP(NET, srv.udpAddr)
if e != nil {
lsplog.CheckFatal(e)
return e
}
lsplog.Vlogf(1, "[Server] Listening to port %d", srv.udpAddr.Port)
srv.udpConn = conn
return nil
}