mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-09-28 06:46:14 -04:00
support early terminition in Freedom
This commit is contained in:
Darien Raymond
parent
38c61acf10
commit
3d0b2e4c79
@ -54,9 +54,10 @@ func (m *DestinationOverride) GetServer() *v2ray_core_common_protocol1.ServerEnd
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}
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type Config struct {
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DomainStrategy Config_DomainStrategy `protobuf:"varint,1,opt,name=domain_strategy,json=domainStrategy,enum=v2ray.core.proxy.freedom.Config_DomainStrategy" json:"domain_strategy,omitempty"`
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Timeout uint32 `protobuf:"varint,2,opt,name=timeout" json:"timeout,omitempty"`
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DestinationOverride *DestinationOverride `protobuf:"bytes,3,opt,name=destination_override,json=destinationOverride" json:"destination_override,omitempty"`
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DomainStrategy Config_DomainStrategy `protobuf:"varint,1,opt,name=domain_strategy,json=domainStrategy,enum=v2ray.core.proxy.freedom.Config_DomainStrategy" json:"domain_strategy,omitempty"`
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Timeout uint32 `protobuf:"varint,2,opt,name=timeout" json:"timeout,omitempty"`
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DestinationOverride *DestinationOverride `protobuf:"bytes,3,opt,name=destination_override,json=destinationOverride" json:"destination_override,omitempty"`
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KeepAliveOnResponseClose bool `protobuf:"varint,4,opt,name=keep_alive_on_response_close,json=keepAliveOnResponseClose" json:"keep_alive_on_response_close,omitempty"`
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}
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func (m *Config) Reset() { *m = Config{} }
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@ -85,6 +86,13 @@ func (m *Config) GetDestinationOverride() *DestinationOverride {
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return nil
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}
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func (m *Config) GetKeepAliveOnResponseClose() bool {
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if m != nil {
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return m.KeepAliveOnResponseClose
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}
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return false
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}
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func init() {
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proto.RegisterType((*DestinationOverride)(nil), "v2ray.core.proxy.freedom.DestinationOverride")
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proto.RegisterType((*Config)(nil), "v2ray.core.proxy.freedom.Config")
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@ -94,25 +102,28 @@ func init() {
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func init() { proto.RegisterFile("v2ray.com/core/proxy/freedom/config.proto", fileDescriptor0) }
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var fileDescriptor0 = []byte{
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// 318 bytes of a gzipped FileDescriptorProto
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// 361 bytes of a gzipped FileDescriptorProto
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}
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@ -20,4 +20,5 @@ message Config {
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DomainStrategy domain_strategy = 1;
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uint32 timeout = 2;
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DestinationOverride destination_override = 3;
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bool keep_alive_on_response_close = 4;
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}
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@ -22,10 +22,11 @@ import (
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)
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type Handler struct {
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domainStrategy Config_DomainStrategy
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timeout uint32
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dns dns.Server
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destOverride *DestinationOverride
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domainStrategy Config_DomainStrategy
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timeout uint32
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dns dns.Server
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destOverride *DestinationOverride
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keepAliveOnResponseClose bool
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}
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func New(ctx context.Context, config *Config) (*Handler, error) {
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@ -34,9 +35,10 @@ func New(ctx context.Context, config *Config) (*Handler, error) {
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return nil, newError("no space in context")
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}
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f := &Handler{
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domainStrategy: config.DomainStrategy,
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timeout: config.Timeout,
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destOverride: config.DestinationOverride,
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domainStrategy: config.DomainStrategy,
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timeout: config.Timeout,
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destOverride: config.DestinationOverride,
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keepAliveOnResponseClose: config.KeepAliveOnResponseClose,
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}
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space.OnInitialize(func() error {
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if config.DomainStrategy == Config_USE_IP {
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@ -50,12 +52,12 @@ func New(ctx context.Context, config *Config) (*Handler, error) {
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return f, nil
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}
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func (v *Handler) ResolveIP(destination net.Destination) net.Destination {
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func (h *Handler) ResolveIP(destination net.Destination) net.Destination {
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if !destination.Address.Family().IsDomain() {
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return destination
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}
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ips := v.dns.Get(destination.Address.Domain())
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ips := h.dns.Get(destination.Address.Domain())
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if len(ips) == 0 {
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log.Trace(newError("DNS returns nil answer. Keep domain as is."))
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return destination
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@ -71,10 +73,10 @@ func (v *Handler) ResolveIP(destination net.Destination) net.Destination {
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return newDest
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}
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func (v *Handler) Process(ctx context.Context, outboundRay ray.OutboundRay, dialer proxy.Dialer) error {
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func (h *Handler) Process(ctx context.Context, outboundRay ray.OutboundRay, dialer proxy.Dialer) error {
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destination, _ := proxy.TargetFromContext(ctx)
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if v.destOverride != nil {
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server := v.destOverride.Server
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if h.destOverride != nil {
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server := h.destOverride.Server
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destination = net.Destination{
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Network: destination.Network,
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Address: server.Address.AsAddress(),
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@ -87,8 +89,8 @@ func (v *Handler) Process(ctx context.Context, outboundRay ray.OutboundRay, dial
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output := outboundRay.OutboundOutput()
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var conn internet.Connection
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if v.domainStrategy == Config_USE_IP && destination.Address.Family().IsDomain() {
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destination = v.ResolveIP(destination)
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if h.domainStrategy == Config_USE_IP && destination.Address.Family().IsDomain() {
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destination = h.ResolveIP(destination)
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}
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err := retry.ExponentialBackoff(5, 100).On(func() error {
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@ -104,7 +106,7 @@ func (v *Handler) Process(ctx context.Context, outboundRay ray.OutboundRay, dial
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}
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defer conn.Close()
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timeout := time.Second * time.Duration(v.timeout)
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timeout := time.Second * time.Duration(h.timeout)
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if timeout == 0 {
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timeout = time.Minute * 5
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}
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@ -124,7 +126,13 @@ func (v *Handler) Process(ctx context.Context, outboundRay ray.OutboundRay, dial
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})
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responseDone := signal.ExecuteAsync(func() error {
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defer output.Close()
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defer func() {
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if h.keepAliveOnResponseClose {
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output.Close()
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} else {
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output.CloseError()
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}
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}()
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v2reader := buf.NewReader(conn)
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if err := buf.Copy(v2reader, output, buf.UpdateActivity(timer)); err != nil {
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