cache

server/proxy/base.go

@@ -17,7 +17,7 @@ type Service interface {
 	Close() error
 }
 
-//Server BaseServer struct
+//BaseServer struct
 type BaseServer struct {
 	id           int
 	bridge       *bridge.Bridge
@@ -35,6 +35,7 @@ func NewBaseServer(bridge *bridge.Bridge, task *file.Tunnel) *BaseServer {
 	}
 }
 
+//add the flow
 func (s *BaseServer) FlowAdd(in, out int64) {
 	s.Lock()
 	defer s.Unlock()
@@ -42,6 +43,7 @@ func (s *BaseServer) FlowAdd(in, out int64) {
 	s.task.Flow.InletFlow += in
 }
 
+//change the flow
 func (s *BaseServer) FlowAddHost(host *file.Host, in, out int64) {
 	s.Lock()
 	defer s.Unlock()
@@ -49,12 +51,13 @@ func (s *BaseServer) FlowAddHost(host *file.Host, in, out int64) {
 	host.Flow.InletFlow += in
 }
 
+//write fail bytes to the connection
 func (s *BaseServer) writeConnFail(c net.Conn) {
 	c.Write([]byte(common.ConnectionFailBytes))
 	c.Write(s.errorContent)
 }
 
-//权限认证
+//auth check
 func (s *BaseServer) auth(r *http.Request, c *conn.Conn, u, p string) error {
 	if u != "" && p != "" && !common.CheckAuth(r, u, p) {
 		c.Write([]byte(common.UnauthorizedBytes))
@@ -64,6 +67,7 @@ func (s *BaseServer) auth(r *http.Request, c *conn.Conn, u, p string) error {
 	return nil
 }
 
+//check flow limit of the client ,and decrease the allow num of client
 func (s *BaseServer) CheckFlowAndConnNum(client *file.Client) error {
 	if client.Flow.FlowLimit > 0 && (client.Flow.FlowLimit<<20) < (client.Flow.ExportFlow+client.Flow.InletFlow) {
 		return errors.New("Traffic exceeded")
@@ -74,7 +78,7 @@ func (s *BaseServer) CheckFlowAndConnNum(client *file.Client) error {
 	return nil
 }
 
-//与客户端建立通道
+//create a new connection and start bytes copying
 func (s *BaseServer) DealClient(c *conn.Conn, client *file.Client, addr string, rb []byte, tp string, f func(), flow *file.Flow, localProxy bool) error {
 	link := conn.NewLink(tp, addr, client.Cnf.Crypt, client.Cnf.Compress, c.Conn.RemoteAddr().String(), localProxy)
 	if target, err := s.bridge.SendLinkInfo(client.Id, link, s.task); err != nil {