initial commit

dialer/ftcp/conn.go

@@ -0,0 +1,21 @@
+package ftcp
+
+import "net"
+
+type fakeTCPConn struct {
+	raddr net.Addr
+	net.PacketConn
+}
+
+func (c *fakeTCPConn) Read(b []byte) (n int, err error) {
+	n, _, err = c.ReadFrom(b)
+	return
+}
+
+func (c *fakeTCPConn) Write(b []byte) (n int, err error) {
+	return c.WriteTo(b, c.raddr)
+}
+
+func (c *fakeTCPConn) RemoteAddr() net.Addr {
+	return c.raddr
+}

dialer/ftcp/dialer.go

@@ -0,0 +1,51 @@
+package ftcp
+
+import (
+	"context"
+	"net"
+
+	"github.com/go-gost/gost/v3/pkg/dialer"
+	"github.com/go-gost/gost/v3/pkg/logger"
+	md "github.com/go-gost/gost/v3/pkg/metadata"
+	"github.com/go-gost/gost/v3/pkg/registry"
+	"github.com/xtaci/tcpraw"
+)
+
+func init() {
+	registry.DialerRegistry().Register("ftcp", NewDialer)
+}
+
+type ftcpDialer struct {
+	md     metadata
+	logger logger.Logger
+}
+
+func NewDialer(opts ...dialer.Option) dialer.Dialer {
+	options := &dialer.Options{}
+	for _, opt := range opts {
+		opt(options)
+	}
+
+	return &ftcpDialer{
+		logger: options.Logger,
+	}
+}
+
+func (d *ftcpDialer) Init(md md.Metadata) (err error) {
+	return d.parseMetadata(md)
+}
+
+func (d *ftcpDialer) Dial(ctx context.Context, addr string, opts ...dialer.DialOption) (conn net.Conn, err error) {
+	raddr, er := net.ResolveTCPAddr("tcp", addr)
+	if er != nil {
+		return nil, er
+	}
+	c, err := tcpraw.Dial("tcp", addr)
+	if err != nil {
+		return
+	}
+	return &fakeTCPConn{
+		raddr:      raddr,
+		PacketConn: c,
+	}, nil
+}

dialer/ftcp/metadata.go

@@ -0,0 +1,23 @@
+package ftcp
+
+import (
+	"time"
+
+	md "github.com/go-gost/gost/v3/pkg/metadata"
+)
+
+const (
+	dialTimeout = "dialTimeout"
+)
+
+const (
+	defaultDialTimeout = 5 * time.Second
+)
+
+type metadata struct {
+	dialTimeout time.Duration
+}
+
+func (d *ftcpDialer) parseMetadata(md md.Metadata) (err error) {
+	return
+}