mirror of https://github.com/v2ray/v2ray-core
				
				
				
			refine dispatcher
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									5dc05d6352
								
							
						
					
					
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						9471b5b066
					
				| 
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			@ -12,5 +12,5 @@ const (
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// PacketDispatcher dispatch a packet and possibly further network payload to its destination.
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type PacketDispatcher interface {
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	DispatchToOutbound(meta *proxy.InboundHandlerMeta, session *proxy.SessionInfo) ray.InboundRay
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	DispatchToOutbound(session *proxy.SessionInfo) ray.InboundRay
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}
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			@ -43,7 +43,7 @@ func (this *DefaultDispatcher) Release() {
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}
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func (this *DefaultDispatcher) DispatchToOutbound(meta *proxy.InboundHandlerMeta, session *proxy.SessionInfo) ray.InboundRay {
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func (this *DefaultDispatcher) DispatchToOutbound(session *proxy.SessionInfo) ray.InboundRay {
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	direct := ray.NewRay()
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	dispatcher := this.ohm.GetDefaultHandler()
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	destination := session.Destination
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			@ -61,7 +61,7 @@ func (this *DefaultDispatcher) DispatchToOutbound(meta *proxy.InboundHandlerMeta
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		}
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	}
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	if meta.AllowPassiveConnection {
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	if session.Inbound != nil && session.Inbound.AllowPassiveConnection {
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		go dispatcher.Dispatch(destination, alloc.NewLocalBuffer(32).Clear(), direct)
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	} else {
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		go this.FilterPacketAndDispatch(destination, direct, dispatcher)
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			@ -30,7 +30,7 @@ func NewTestPacketDispatcher(handler func(destination v2net.Destination, traffic
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	}
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}
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func (this *TestPacketDispatcher) DispatchToOutbound(meta *proxy.InboundHandlerMeta, session *proxy.SessionInfo) ray.InboundRay {
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func (this *TestPacketDispatcher) DispatchToOutbound(session *proxy.SessionInfo) ray.InboundRay {
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	traffic := ray.NewRay()
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	this.Destination <- session.Destination
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	go this.Handler(session.Destination, traffic)
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			@ -50,11 +50,9 @@ type UDPNameServer struct {
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func NewUDPNameServer(address v2net.Destination, dispatcher dispatcher.PacketDispatcher) *UDPNameServer {
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	s := &UDPNameServer{
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		address:  address,
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		requests: make(map[uint16]*PendingRequest),
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		udpServer: udp.NewUDPServer(&proxy.InboundHandlerMeta{
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			AllowPassiveConnection: false,
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		}, dispatcher),
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		address:   address,
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		requests:  make(map[uint16]*PendingRequest),
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		udpServer: udp.NewUDPServer(dispatcher),
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	}
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	return s
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}
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			@ -90,7 +90,7 @@ func (this *DokodemoDoor) Start() error {
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}
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func (this *DokodemoDoor) ListenUDP() error {
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	this.udpServer = udp.NewUDPServer(this.meta, this.packetDispatcher)
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	this.udpServer = udp.NewUDPServer(this.packetDispatcher)
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	udpHub, err := udp.ListenUDP(
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		this.meta.Address, this.meta.Port, udp.ListenOption{
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			Callback:            this.handleUDPPackets,
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			@ -114,6 +114,7 @@ func (this *DokodemoDoor) handleUDPPackets(payload *alloc.Buffer, session *proxy
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		log.Info("Dokodemo: Unknown destination, stop forwarding...")
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		return
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	}
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	session.Inbound = this.meta
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	this.udpServer.Dispatch(session, payload, this.handleUDPResponse)
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}
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			@ -160,9 +161,10 @@ func (this *DokodemoDoor) HandleTCPConnection(conn internet.Connection) {
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	}
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	log.Info("Dokodemo: Handling request to ", dest)
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	ray := this.packetDispatcher.DispatchToOutbound(this.meta, &proxy.SessionInfo{
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	ray := this.packetDispatcher.DispatchToOutbound(&proxy.SessionInfo{
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		Source:      v2net.DestinationFromAddr(conn.RemoteAddr()),
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		Destination: dest,
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		Inbound:     this.meta,
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	})
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	defer ray.InboundOutput().Release()
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			@ -124,6 +124,7 @@ func (this *Server) handleConnection(conn internet.Connection) {
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	session := &proxy.SessionInfo{
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		Source:      v2net.DestinationFromAddr(conn.RemoteAddr()),
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		Destination: dest,
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		Inbound:     this.meta,
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	}
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	if strings.ToUpper(request.Method) == "CONNECT" {
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		this.handleConnect(request, session, reader, conn)
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			@ -146,7 +147,7 @@ func (this *Server) handleConnect(request *http.Request, session *proxy.SessionI
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	}
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	response.Write(writer)
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	ray := this.packetDispatcher.DispatchToOutbound(this.meta, session)
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	ray := this.packetDispatcher.DispatchToOutbound(session)
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	this.transport(reader, writer, ray)
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}
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			@ -226,7 +227,7 @@ func (this *Server) handlePlainHTTP(request *http.Request, session *proxy.Sessio
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	request.Host = request.URL.Host
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	StripHopByHopHeaders(request)
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	ray := this.packetDispatcher.DispatchToOutbound(this.meta, session)
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	ray := this.packetDispatcher.DispatchToOutbound(session)
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	defer ray.InboundInput().Close()
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	defer ray.InboundOutput().Release()
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			@ -20,6 +20,7 @@ type SessionInfo struct {
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	Source      v2net.Destination
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	Destination v2net.Destination
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	User        *protocol.User
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	Inbound     *InboundHandlerMeta
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}
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type InboundHandlerMeta struct {
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			@ -90,7 +90,7 @@ func (this *Server) Start() error {
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	this.tcpHub = tcpHub
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	if this.config.UdpEnabled {
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		this.udpServer = udp.NewUDPServer(this.meta, this.packetDispatcher)
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		this.udpServer = udp.NewUDPServer(this.packetDispatcher)
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		udpHub, err := udp.ListenUDP(this.meta.Address, this.meta.Port, udp.ListenOption{Callback: this.handlerUDPPayload})
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		if err != nil {
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			log.Error("Shadowsocks: Failed to listen UDP on ", this.meta.Address, ":", this.meta.Port, ": ", err)
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			@ -130,7 +130,7 @@ func (this *Server) handlerUDPPayload(payload *alloc.Buffer, session *proxy.Sess
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	log.Access(source, dest, log.AccessAccepted, "")
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	log.Info("Shadowsocks|Server: Tunnelling request to ", dest)
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	this.udpServer.Dispatch(&proxy.SessionInfo{Source: source, Destination: dest, User: request.User}, data, func(destination v2net.Destination, payload *alloc.Buffer) {
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	this.udpServer.Dispatch(&proxy.SessionInfo{Source: source, Destination: dest, User: request.User, Inbound: this.meta}, data, func(destination v2net.Destination, payload *alloc.Buffer) {
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		defer payload.Release()
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		data, err := EncodeUDPPacket(request, payload)
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			@ -171,10 +171,11 @@ func (this *Server) handleConnection(conn internet.Connection) {
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	log.Access(conn.RemoteAddr(), dest, log.AccessAccepted, "")
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	log.Info("Shadowsocks|Server: Tunnelling request to ", dest)
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	ray := this.packetDispatcher.DispatchToOutbound(this.meta, &proxy.SessionInfo{
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	ray := this.packetDispatcher.DispatchToOutbound(&proxy.SessionInfo{
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		Source:      v2net.DestinationFromAddr(conn.RemoteAddr()),
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		Destination: dest,
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		User:        request.User,
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		Inbound:     this.meta,
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	})
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	defer ray.InboundOutput().Release()
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			@ -285,6 +285,7 @@ func (this *Server) handleSocks4(clientAddr v2net.Destination, reader *v2io.Buff
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	session := &proxy.SessionInfo{
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		Source:      clientAddr,
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		Destination: dest,
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		Inbound:     this.meta,
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	}
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	log.Access(clientAddr, dest, log.AccessAccepted, "")
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	this.transport(reader, writer, session)
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			@ -292,7 +293,7 @@ func (this *Server) handleSocks4(clientAddr v2net.Destination, reader *v2io.Buff
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}
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func (this *Server) transport(reader io.Reader, writer io.Writer, session *proxy.SessionInfo) {
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	ray := this.packetDispatcher.DispatchToOutbound(this.meta, session)
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	ray := this.packetDispatcher.DispatchToOutbound(session)
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	input := ray.InboundInput()
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	output := ray.InboundOutput()
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			@ -10,7 +10,7 @@ import (
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)
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func (this *Server) listenUDP() error {
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	this.udpServer = udp.NewUDPServer(this.meta, this.packetDispatcher)
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	this.udpServer = udp.NewUDPServer(this.packetDispatcher)
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	udpHub, err := udp.ListenUDP(this.meta.Address, this.meta.Port, udp.ListenOption{Callback: this.handleUDPPayload})
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	if err != nil {
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		log.Error("Socks: Failed to listen on udp ", this.meta.Address, ":", this.meta.Port)
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			@ -46,7 +46,7 @@ func (this *Server) handleUDPPayload(payload *alloc.Buffer, session *proxy.Sessi
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	log.Info("Socks: Send packet to ", request.Destination(), " with ", request.Data.Len(), " bytes")
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	log.Access(source, request.Destination, log.AccessAccepted, "")
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	this.udpServer.Dispatch(&proxy.SessionInfo{Source: source, Destination: request.Destination()}, request.Data, func(destination v2net.Destination, payload *alloc.Buffer) {
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	this.udpServer.Dispatch(&proxy.SessionInfo{Source: source, Destination: request.Destination(), Inbound: this.meta}, request.Data, func(destination v2net.Destination, payload *alloc.Buffer) {
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		response := &protocol.Socks5UDPRequest{
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			Fragment: 0,
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			Address:  request.Destination().Address,
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			@ -31,11 +31,12 @@ func (this *InboundConnectionHandler) Close() {
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}
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func (this *InboundConnectionHandler) Communicate(destination v2net.Destination) error {
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	ray := this.PacketDispatcher.DispatchToOutbound(&proxy.InboundHandlerMeta{
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		AllowPassiveConnection: false,
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	}, &proxy.SessionInfo{
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	ray := this.PacketDispatcher.DispatchToOutbound(&proxy.SessionInfo{
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		Source:      v2net.TCPDestination(v2net.LocalHostIP, v2net.Port(0)),
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		Destination: destination,
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		Inbound: &proxy.InboundHandlerMeta{
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			AllowPassiveConnection: false,
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		},
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	})
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	input := ray.InboundInput()
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			@ -166,10 +166,11 @@ func (this *VMessInboundHandler) HandleConnection(connection internet.Connection
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	connection.SetReusable(request.Option.Has(protocol.RequestOptionConnectionReuse))
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	ray := this.packetDispatcher.DispatchToOutbound(this.meta, &proxy.SessionInfo{
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	ray := this.packetDispatcher.DispatchToOutbound(&proxy.SessionInfo{
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		Source:      v2net.DestinationFromAddr(connection.RemoteAddr()),
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		Destination: request.Destination(),
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		User:        request.User,
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		Inbound:     this.meta,
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	})
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	input := ray.InboundInput()
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	output := ray.InboundOutput()
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			@ -96,14 +96,12 @@ type UDPServer struct {
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	sync.RWMutex
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	conns            map[string]*TimedInboundRay
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	packetDispatcher dispatcher.PacketDispatcher
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	meta             *proxy.InboundHandlerMeta
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}
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func NewUDPServer(meta *proxy.InboundHandlerMeta, packetDispatcher dispatcher.PacketDispatcher) *UDPServer {
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func NewUDPServer(packetDispatcher dispatcher.PacketDispatcher) *UDPServer {
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	return &UDPServer{
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		conns:            make(map[string]*TimedInboundRay),
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		packetDispatcher: packetDispatcher,
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		meta:             meta,
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	}
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}
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			@ -144,7 +142,7 @@ func (this *UDPServer) Dispatch(session *proxy.SessionInfo, payload *alloc.Buffe
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	}
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	log.Info("UDP Server: establishing new connection for ", destString)
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	inboundRay := this.packetDispatcher.DispatchToOutbound(this.meta, session)
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	inboundRay := this.packetDispatcher.DispatchToOutbound(session)
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	timedInboundRay := NewTimedInboundRay(destString, inboundRay, this)
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	outputStream := timedInboundRay.InboundInput()
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	if outputStream != nil {
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