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Add multiplexer

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This commit is contained in:
世界
2022-07-30 00:29:22 +08:00
parent 8e8b1b974e
commit 10531c9f9a
47 changed files with 1244 additions and 174 deletions
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98
outbound/shadowsocks.go
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@@ -6,12 +6,15 @@ import (
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/dialer"
"github.com/sagernet/sing-box/common/mux"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing-shadowsocks"
"github.com/sagernet/sing-shadowsocks/shadowimpl"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/bufio"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
@@ -20,64 +23,39 @@ var _ adapter.Outbound = (*Shadowsocks)(nil)
type Shadowsocks struct {
myOutboundAdapter
dialer N.Dialer
method shadowsocks.Method
serverAddr M.Socksaddr
dialer N.Dialer
method shadowsocks.Method
serverAddr M.Socksaddr
multiplexDialer N.Dialer
}
func NewShadowsocks(router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowsocksOutboundOptions) (*Shadowsocks, error) {
func NewShadowsocks(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowsocksOutboundOptions) (*Shadowsocks, error) {
method, err := shadowimpl.FetchMethod(options.Method, options.Password)
if err != nil {
return nil, err
}
return &Shadowsocks{
myOutboundAdapter{
outbound := &Shadowsocks{
myOutboundAdapter: myOutboundAdapter{
protocol: C.TypeShadowsocks,
network: options.Network.Build(),
router: router,
logger: logger,
tag: tag,
},
dialer.NewOutbound(router, options.OutboundDialerOptions),
method,
options.ServerOptions.Build(),
}, nil
dialer: dialer.NewOutbound(router, options.OutboundDialerOptions),
method: method,
serverAddr: options.ServerOptions.Build(),
}
outbound.multiplexDialer = mux.NewClientWithOptions(ctx, (*shadowsocksDialer)(outbound), common.PtrValueOrDefault(options.Multiplex))
return outbound, nil
}
func (h *Shadowsocks) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
switch network {
case C.NetworkTCP:
h.logger.InfoContext(ctx, "outbound connection to ", destination)
outConn, err := h.dialer.DialContext(ctx, C.NetworkTCP, h.serverAddr)
if err != nil {
return nil, err
}
return h.method.DialEarlyConn(outConn, destination), nil
case C.NetworkUDP:
h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
outConn, err := h.dialer.DialContext(ctx, C.NetworkUDP, h.serverAddr)
if err != nil {
return nil, err
}
return &bufio.BindPacketConn{PacketConn: h.method.DialPacketConn(outConn), Addr: destination}, nil
default:
panic("unknown network " + network)
}
return h.multiplexDialer.DialContext(ctx, network, destination)
}
func (h *Shadowsocks) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
outConn, err := h.dialer.DialContext(ctx, "udp", h.serverAddr)
if err != nil {
return nil, err
}
return h.method.DialPacketConn(outConn), nil
return h.multiplexDialer.ListenPacket(ctx, destination)
}
func (h *Shadowsocks) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
@@ -87,3 +65,43 @@ func (h *Shadowsocks) NewConnection(ctx context.Context, conn net.Conn, metadata
func (h *Shadowsocks) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
return NewPacketConnection(ctx, h, conn, metadata)
}
var _ N.Dialer = (*shadowsocksDialer)(nil)
type shadowsocksDialer Shadowsocks
func (h *shadowsocksDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
switch N.NetworkName(network) {
case N.NetworkTCP:
h.logger.InfoContext(ctx, "outbound connection to ", destination)
outConn, err := h.dialer.DialContext(ctx, N.NetworkTCP, h.serverAddr)
if err != nil {
return nil, err
}
return h.method.DialEarlyConn(outConn, destination), nil
case N.NetworkUDP:
h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
outConn, err := h.dialer.DialContext(ctx, N.NetworkUDP, h.serverAddr)
if err != nil {
return nil, err
}
return &bufio.BindPacketConn{PacketConn: h.method.DialPacketConn(outConn), Addr: destination}, nil
default:
return nil, E.Extend(N.ErrUnknownNetwork, network)
}
}
func (h *shadowsocksDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
h.logger.InfoContext(ctx, "outbound packet connection to ", destination)
outConn, err := h.dialer.DialContext(ctx, N.NetworkUDP, h.serverAddr)
if err != nil {
return nil, err
}
return h.method.DialPacketConn(outConn), nil
}