func startCommunicate(request *protocol.VMessRequest, dest *v2net.Destination, ray core.OutboundRay) error {
input := ray.OutboundInput()
output := ray.OutboundOutput()
conn, err := net.DialTCP(dest.Network(), nil, &net.TCPAddr{dest.Address().IP(), int(dest.Address().Port()), ""})
if err != nil {
log.Error("Failed to open tcp (%s): %v", dest.String(), err)
close(output)
return err
}
log.Info("VMessOut: Tunneling request for %s", request.Address.String())
defer conn.Close()
requestFinish := make(chan bool)
responseFinish := make(chan bool)
go handleRequest(conn, request, input, requestFinish)
go handleResponse(conn, request, output, responseFinish)
<-requestFinish
conn.CloseWrite()
<-responseFinish
return nil
}
func startCommunicate(request *protocol.VMessRequest, dest v2net.Destination, ray core.OutboundRay, firstPacket v2net.Packet) error {
conn, err := net.Dial(dest.Network(), dest.Address().String())
if err != nil {
log.Error("Failed to open %s: %v", dest.String(), err)
if ray != nil {
close(ray.OutboundOutput())
}
return err
}
log.Info("VMessOut: Tunneling request to %s via %s", request.Address.String(), dest.String())
defer conn.Close()
input := ray.OutboundInput()
output := ray.OutboundOutput()
var requestFinish, responseFinish sync.Mutex
requestFinish.Lock()
responseFinish.Lock()
go handleRequest(conn, request, firstPacket, input, &requestFinish)
go handleResponse(conn, request, output, &responseFinish, dest.IsUDP())
requestFinish.Lock()
if tcpConn, ok := conn.(*net.TCPConn); ok {
tcpConn.CloseWrite()
}
responseFinish.Lock()
return nil
}
func (this *Router) TakeDetour(dest v2net.Destination) (string, error) {
destStr := dest.String()
found, tag, err := this.cache.Get(destStr)
if !found {
tag, err := this.takeDetourWithoutCache(dest)
this.cache.Set(destStr, tag, err)
return tag, err
}
return tag, err
}
func (this *UDPServer) Dispatch(source v2net.Destination, packet v2net.Packet, callback UDPResponseCallback) {
destString := source.String() + "-" + packet.Destination().String()
if this.locateExistingAndDispatch(destString, packet) {
return
}
this.Lock()
inboundRay := this.packetDispatcher.DispatchToOutbound(v2net.NewPacket(packet.Destination(), packet.Chunk(), true))
this.conns[destString] = &connEntry{
inboundRay: inboundRay,
callback: callback,
}
this.Unlock()
go this.handleConnection(destString, inboundRay, source, callback)
}
func (this *UDPServer) Dispatch(source v2net.Destination, destination v2net.Destination, payload *alloc.Buffer, callback UDPResponseCallback) {
destString := source.String() + "-" + destination.String()
log.Debug("UDP Server: Dispatch request: ", destString)
if this.locateExistingAndDispatch(destString, payload) {
return
}
log.Info("UDP Server: establishing new connection for ", destString)
inboundRay := this.packetDispatcher.DispatchToOutbound(destination)
timedInboundRay := NewTimedInboundRay(destString, inboundRay, this)
outputStream := timedInboundRay.InboundInput()
if outputStream != nil {
outputStream.Write(payload)
}
this.Lock()
this.conns[destString] = timedInboundRay
this.Unlock()
go this.handleConnection(timedInboundRay, source, callback)
}
func startCommunicate(request *protocol.VMessRequest, dest v2net.Destination, ray ray.OutboundRay, firstPacket v2net.Packet) error {
var destIp net.IP
if dest.Address().IsIPv4() || dest.Address().IsIPv6() {
destIp = dest.Address().IP()
} else {
ips, err := net.LookupIP(dest.Address().Domain())
if err != nil {
return err
}
destIp = ips[0]
}
conn, err := net.DialTCP("tcp", nil, &net.TCPAddr{
IP: destIp,
Port: int(dest.Port()),
})
if err != nil {
log.Error("Failed to open %s: %v", dest.String(), err)
if ray != nil {
close(ray.OutboundOutput())
}
return err
}
log.Info("VMessOut: Tunneling request to %s via %s", request.Address.String(), dest.String())
defer conn.Close()
input := ray.OutboundInput()
output := ray.OutboundOutput()
var requestFinish, responseFinish sync.Mutex
requestFinish.Lock()
responseFinish.Lock()
go handleRequest(conn, request, firstPacket, input, &requestFinish)
go handleResponse(conn, request, output, &responseFinish, (request.Command == protocol.CmdUDP))
requestFinish.Lock()
conn.CloseWrite()
responseFinish.Lock()
return nil
}
func startCommunicate(request *protocol.VMessRequest, dest v2net.Destination, ray core.OutboundRay, firstPacket v2net.Packet) error {
conn, err := net.DialTCP(dest.Network(), nil, &net.TCPAddr{dest.Address().IP(), int(dest.Address().Port()), ""})
if err != nil {
log.Error("Failed to open tcp (%s): %v", dest.String(), err)
if ray != nil {
close(ray.OutboundOutput())
}
return err
}
log.Info("VMessOut: Tunneling request for %s", request.Address.String())
defer conn.Close()
if chunk := firstPacket.Chunk(); chunk != nil {
conn.Write(chunk)
}
if !firstPacket.MoreChunks() {
if ray != nil {
close(ray.OutboundOutput())
}
return nil
}
input := ray.OutboundInput()
output := ray.OutboundOutput()
var requestFinish, responseFinish sync.Mutex
requestFinish.Lock()
responseFinish.Lock()
go handleRequest(conn, request, input, &requestFinish)
go handleResponse(conn, request, output, &responseFinish)
requestFinish.Lock()
conn.CloseWrite()
responseFinish.Lock()
return nil
}