add unix/serial dialer and connector

dialer/unix/dialer.go

@@ -0,0 +1,48 @@
+package unix
+
+import (
+	"context"
+	"net"
+
+	"github.com/go-gost/core/dialer"
+	"github.com/go-gost/core/logger"
+	md "github.com/go-gost/core/metadata"
+	"github.com/go-gost/x/registry"
+)
+
+func init() {
+	registry.DialerRegistry().Register("unix", NewDialer)
+}
+
+type unixDialer struct {
+	md     metadata
+	logger logger.Logger
+}
+
+func NewDialer(opts ...dialer.Option) dialer.Dialer {
+	options := &dialer.Options{}
+	for _, opt := range opts {
+		opt(options)
+	}
+
+	return &unixDialer{
+		logger: options.Logger,
+	}
+}
+
+func (d *unixDialer) Init(md md.Metadata) (err error) {
+	return d.parseMetadata(md)
+}
+
+func (d *unixDialer) Dial(ctx context.Context, addr string, opts ...dialer.DialOption) (net.Conn, error) {
+	var options dialer.DialOptions
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	conn, err := (&net.Dialer{}).DialContext(ctx, "unix", addr)
+	if err != nil {
+		d.logger.Error(err)
+	}
+	return conn, err
+}

dialer/unix/metadata.go

@@ -0,0 +1,12 @@
+package unix
+
+import (
+	md "github.com/go-gost/core/metadata"
+)
+
+type metadata struct {
+}
+
+func (d *unixDialer) parseMetadata(md md.Metadata) (err error) {
+	return
+}