support xtcp for making nat hole

models/config/proxy.go

@@ -36,6 +36,7 @@ func init() {
 	proxyConfTypeMap[consts.HttpProxy] = reflect.TypeOf(HttpProxyConf{})
 	proxyConfTypeMap[consts.HttpsProxy] = reflect.TypeOf(HttpsProxyConf{})
 	proxyConfTypeMap[consts.StcpProxy] = reflect.TypeOf(StcpProxyConf{})
+	proxyConfTypeMap[consts.XtcpProxy] = reflect.TypeOf(XtcpProxyConf{})
 }
 
 // NewConfByType creates a empty ProxyConf object by proxyType.
@@ -672,6 +673,95 @@ func (cfg *StcpProxyConf) Check() (err error) {
 	return
 }
 
+// XTCP
+type XtcpProxyConf struct {
+	BaseProxyConf
+
+	Role string `json:"role"`
+	Sk   string `json:"sk"`
+
+	// used in role server
+	LocalSvrConf
+	PluginConf
+
+	// used in role vistor
+	ServerName string `json:"server_name"`
+	BindAddr   string `json:"bind_addr"`
+	BindPort   int    `json:"bind_port"`
+}
+
+func (cfg *XtcpProxyConf) Compare(cmp ProxyConf) bool {
+	cmpConf, ok := cmp.(*XtcpProxyConf)
+	if !ok {
+		return false
+	}
+
+	if !cfg.BaseProxyConf.compare(&cmpConf.BaseProxyConf) ||
+		!cfg.LocalSvrConf.compare(&cmpConf.LocalSvrConf) ||
+		!cfg.PluginConf.compare(&cmpConf.PluginConf) ||
+		cfg.Role != cmpConf.Role ||
+		cfg.Sk != cmpConf.Sk ||
+		cfg.ServerName != cmpConf.ServerName ||
+		cfg.BindAddr != cmpConf.BindAddr ||
+		cfg.BindPort != cmpConf.BindPort {
+		return false
+	}
+	return true
+}
+
+// Only for role server.
+func (cfg *XtcpProxyConf) LoadFromMsg(pMsg *msg.NewProxy) {
+	cfg.BaseProxyConf.LoadFromMsg(pMsg)
+	cfg.Sk = pMsg.Sk
+}
+
+func (cfg *XtcpProxyConf) LoadFromFile(name string, section ini.Section) (err error) {
+	if err = cfg.BaseProxyConf.LoadFromFile(name, section); err != nil {
+		return
+	}
+
+	tmpStr := section["role"]
+	if tmpStr == "server" || tmpStr == "vistor" {
+		cfg.Role = tmpStr
+	} else {
+		cfg.Role = "server"
+	}
+
+	cfg.Sk = section["sk"]
+
+	if tmpStr == "vistor" {
+		prefix := section["prefix"]
+		cfg.ServerName = prefix + section["server_name"]
+		if cfg.BindAddr = section["bind_addr"]; cfg.BindAddr == "" {
+			cfg.BindAddr = "127.0.0.1"
+		}
+
+		if tmpStr, ok := section["bind_port"]; ok {
+			if cfg.BindPort, err = strconv.Atoi(tmpStr); err != nil {
+				return fmt.Errorf("Parse conf error: proxy [%s] bind_port error", name)
+			}
+		} else {
+			return fmt.Errorf("Parse conf error: proxy [%s] bind_port not found", name)
+		}
+	} else {
+		if err = cfg.PluginConf.LoadFromFile(name, section); err != nil {
+			if err = cfg.LocalSvrConf.LoadFromFile(name, section); err != nil {
+				return
+			}
+		}
+	}
+	return
+}
+
+func (cfg *XtcpProxyConf) UnMarshalToMsg(pMsg *msg.NewProxy) {
+	cfg.BaseProxyConf.UnMarshalToMsg(pMsg)
+	pMsg.Sk = cfg.Sk
+}
+
+func (cfg *XtcpProxyConf) Check() (err error) {
+	return
+}
+
 // if len(startProxy) is 0, start all
 // otherwise just start proxies in startProxy map
 func LoadProxyConfFromFile(prefix string, conf ini.File, startProxy map[string]struct{}) (