func read_cfg(cfg_file string) error {
c, err := goconfig.ReadConfigFile(cfg_file)
if err != nil {
log.Infof("read_cfg | read_cfg | err:", err)
return err
}
saddr, _ := c.GetString("server", "addr")
z_addr, _ := c.GetString("zookeeper", "addr")
z_path, _ := c.GetString("zookeeper", "path")
m_addr, _ := c.GetString("mongodb", "addr")
d_xpush, _ := c.GetString("mongodb", "db_xpush")
c_xpush, _ := c.GetString("mongodb", "collection_xpush")
if saddr != "" {
server_addr = &saddr
}
if z_addr != "" {
zk_addr = &z_addr
}
if z_path != "" {
zk_path = &z_path
}
if m_addr != "" {
mgo_addr = &m_addr
}
if d_xpush != "" {
db_xpush = &d_xpush
}
if c_xpush != "" {
collection_xpush = &c_xpush
}
return nil
}
func main() {
var faddr, baddr, cryptoMethod, secret, logTo, conf string
var clientMode, daemon bool
flag.StringVar(&logTo, "logto", "stdout", "stdout or syslog")
flag.StringVar(&faddr, "listen", ":9001", "host:port qtunnel listen on")
flag.StringVar(&baddr, "backend", "127.0.0.1:6400", "host:port of the backend")
flag.StringVar(&cryptoMethod, "crypto", "rc4", "encryption method")
flag.StringVar(&secret, "secret", "secret", "password used to encrypt the data")
flag.StringVar(&conf, "conf", "", "read connection setup from config file")
flag.BoolVar(&clientMode, "clientmode", false, "if running at client mode")
flag.BoolVar(&daemon, "daemon", false, "running in daemon mode")
flag.Parse()
log.SetOutput(os.Stdout)
if logTo == "syslog" {
w, err := syslog.New(syslog.LOG_INFO, "qtunnel")
if err != nil {
log.Fatal(err)
}
log.SetOutput(w)
}
CurDir, _ := os.Getwd()
if daemon == true {
godaemon.MakeDaemon(&godaemon.DaemonAttr{})
}
// start from config file for multi-front-port
if len(conf) > 0 {
if match, _ := regexp.MatchString("^[^/]", conf); match {
conf = CurDir + "/" + conf
}
c, err := goconfig.ReadConfigFile(conf)
if err != nil {
log.Printf("read error from %s file", conf)
os.Exit(1)
}
sections := c.GetSections()
for _, s := range sections {
if s == "default" {
continue
}
fdr, _ := c.GetString(s, "faddr")
bdr, _ := c.GetString(s, "baddr")
cld, _ := c.GetBool(s, "clientmode")
crt, _ := c.GetString(s, "cryptoMethod")
set, _ := c.GetString(s, "secret")
go func() {
t := tunnel.NewTunnel(fdr, bdr, cld, crt, set, 4096)
log.Printf("qtunnel start from %s to %s.", fdr, bdr)
t.Start()
}()
}
} else {
t := tunnel.NewTunnel(faddr, baddr, clientMode, cryptoMethod, secret, 4096)
log.Println("qtunnel started.")
go t.Start()
}
waitSignal()
}