package inbound import ( "context" "v2ray.com/core/app/log" "v2ray.com/core/app/proxyman" "v2ray.com/core/app/proxyman/mux" "v2ray.com/core/common/dice" "v2ray.com/core/common/net" "v2ray.com/core/proxy" ) type AlwaysOnInboundHandler struct { proxy proxy.Inbound workers []worker mux *mux.Server } func NewAlwaysOnInboundHandler(ctx context.Context, tag string, receiverConfig *proxyman.ReceiverConfig, proxyConfig interface{}) (*AlwaysOnInboundHandler, error) { p, err := proxy.CreateInboundHandler(ctx, proxyConfig) if err != nil { return nil, err } h := &AlwaysOnInboundHandler{ proxy: p, mux: mux.NewServer(ctx), } nl := p.Network() pr := receiverConfig.PortRange address := receiverConfig.Listen.AsAddress() if address == nil { address = net.AnyIP } for port := pr.From; port <= pr.To; port++ { if nl.HasNetwork(net.Network_TCP) { log.Trace(newError("creating tcp worker on ", address, ":", port).AtDebug()) worker := &tcpWorker{ address: address, port: net.Port(port), proxy: p, stream: receiverConfig.StreamSettings, recvOrigDest: receiverConfig.ReceiveOriginalDestination, tag: tag, dispatcher: h.mux, sniffers: receiverConfig.DomainOverride, } h.workers = append(h.workers, worker) } if nl.HasNetwork(net.Network_UDP) { worker := &udpWorker{ tag: tag, proxy: p, address: address, port: net.Port(port), recvOrigDest: receiverConfig.ReceiveOriginalDestination, dispatcher: h.mux, } h.workers = append(h.workers, worker) } } return h, nil } func (h *AlwaysOnInboundHandler) Start() error { for _, worker := range h.workers { if err := worker.Start(); err != nil { return err } } return nil } func (h *AlwaysOnInboundHandler) Close() { for _, worker := range h.workers { worker.Close() } } func (h *AlwaysOnInboundHandler) GetRandomInboundProxy() (proxy.Inbound, net.Port, int) { if len(h.workers) == 0 { return nil, 0, 0 } w := h.workers[dice.Roll(len(h.workers))] return w.Proxy(), w.Port(), 9999 }