First Commmit

transport/sip003/plugin.go

@@ -0,0 +1,38 @@
+package sip003
+
+import (
+	"context"
+	"net"
+
+	"github.com/sagernet/sing-box/adapter"
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+)
+
+type PluginConstructor func(ctx context.Context, pluginArgs Args, router adapter.Router, dialer N.Dialer, serverAddr M.Socksaddr) (Plugin, error)
+
+type Plugin interface {
+	DialContext(ctx context.Context) (net.Conn, error)
+}
+
+var plugins map[string]PluginConstructor
+
+func RegisterPlugin(name string, constructor PluginConstructor) {
+	if plugins == nil {
+		plugins = make(map[string]PluginConstructor)
+	}
+	plugins[name] = constructor
+}
+
+func CreatePlugin(ctx context.Context, name string, pluginArgs string, router adapter.Router, dialer N.Dialer, serverAddr M.Socksaddr) (Plugin, error) {
+	pluginOptions, err := ParsePluginOptions(pluginArgs)
+	if err != nil {
+		return nil, E.Cause(err, "parse plugin_opts")
+	}
+	constructor, loaded := plugins[name]
+	if !loaded {
+		return nil, E.New("plugin not found: ", name)
+	}
+	return constructor(ctx, pluginOptions, router, dialer, serverAddr)
+}