mirror of https://github.com/v2ray/v2ray-core
				
				
				
			
		
			
				
	
	
		
			62 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
package tcp
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import (
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	"fmt"
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	"net"
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	v2io "github.com/v2ray/v2ray-core/common/io"
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	v2net "github.com/v2ray/v2ray-core/common/net"
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)
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type Server struct {
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	Port         v2net.Port
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	MsgProcessor func(msg []byte) []byte
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	accepting    bool
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	listener     *net.TCPListener
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}
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func (server *Server) Start() (v2net.Destination, error) {
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	listener, err := net.ListenTCP("tcp", &net.TCPAddr{
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		IP:   []byte{127, 0, 0, 1},
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		Port: int(server.Port),
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		Zone: "",
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	})
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	if err != nil {
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		return nil, err
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	}
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	server.listener = listener
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	go server.acceptConnections(listener)
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	localAddr := listener.Addr().(*net.TCPAddr)
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	return v2net.TCPDestination(v2net.IPAddress(localAddr.IP), v2net.Port(localAddr.Port)), nil
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}
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func (server *Server) acceptConnections(listener *net.TCPListener) {
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	server.accepting = true
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	for server.accepting {
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		conn, err := listener.Accept()
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		if err != nil {
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			fmt.Printf("Failed accept TCP connection: %v", err)
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			continue
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		}
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		go server.handleConnection(conn)
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	}
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}
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func (server *Server) handleConnection(conn net.Conn) {
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	for true {
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		request, err := v2io.ReadFrom(conn, nil)
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		if err != nil {
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			break
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		}
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		response := server.MsgProcessor(request.Value)
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		conn.Write(response)
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	}
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	conn.Close()
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}
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func (this *Server) Close() {
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	this.accepting = false
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	this.listener.Close()
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}
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