func NewCimServer(host, simInst string, root *CimNode, data interface{}) (*CimServer, error) {
cs := new(CimServer)
if host == "" {
host = "127.0.0.1"
}
cs.host = host
cs.simInst = simInst
cs.root = root
cs.data = data
var ccfg *qcfg.CfgBlock = qcfg.NewCfg(simInst, cfgFile, false)
var port = ccfg.Str("ports-lst", "ports", simInst, "")
if port == "" {
return nil, errors.New("Invalid sim : " + simInst)
}
cs.port = port
return cs, nil
}
func NewCimConnection(host, simInst, connId string) (*CimConnection, error) {
cc := new(CimConnection)
if host == "" {
host = "127.0.0.1"
}
cc.host = host
cc.simInst = simInst
var ccfg *qcfg.CfgBlock = qcfg.NewCfg(connId, cfgFile, false)
var port = ccfg.Str("ports-lst", "ports", simInst, "")
if port == "" {
return nil, errors.New("Invalid sim : " + simInst)
}
cc.port = port
err := errors.New("")
cc.tcpAddr, err = net.ResolveTCPAddr("tcp4", cc.host+":"+cc.port)
if err != nil {
return nil, err
}
cc.tcpConn, err = net.DialTCP("tcp4", nil, cc.tcpAddr)
if err != nil {
return nil, err
}
err1 := cc.tcpConn.SetKeepAlive(true)
err2 := cc.tcpConn.SetNoDelay(true)
if err1 != nil || err2 != nil {
cc.tcpConn.Close()
return nil, errors.New("Cannot set KeepAlive or NoDelay")
}
_, err = cc.tcpConn.Write(gen_login_msg())
if err != nil {
cc.tcpConn.Close()
return nil, errors.New("Cannot send login message to sim")
}
buf := make([]byte, 1024)
_, err = cc.tcpConn.Read(buf)
if err != nil {
cc.tcpConn.Close()
return nil, errors.New("Cannot read login msg response from sim")
}
//fmt.Println("Login response :", buf[:n])
cc.resp = make([]byte, responseMaxLength)
return cc, nil
}