feat: init commit

bin/config.dart

@@ -0,0 +1,25 @@
+import 'dart:convert';
+
+class HostAndPort {
+  String host;
+  int port;
+}
+
+class ManageConfig {
+  String listen;
+}
+
+class ProxyItemConfig {
+  String listen;
+  String backend;
+  List<String> allowIps;
+}
+
+class ProxyConfig {
+  ManageConfig managementConfig;
+  List<ProxyItemConfig> tcpListens;
+}
+
+ProxyConfig parseProxyConfig(String config) {
+  final jsonConfig = json.decode(config);
+}

bin/simple_dart_tcp_proxy.dart

@@ -0,0 +1,22 @@
+import 'dart:convert';
+import 'dart:io';
+import 'config.dart';
+
+void main(List<String> arguments) {
+  final listenAddress = "127.0.0.1";
+  final listenPort = 8801;
+  final targetHost = "";
+  final targetPort = 443;
+
+  // TODO ...
+  print('Hello world!');
+}
+
+void startListen(HostAndPort listen, HostAndPort target) {
+  ServerSocket.bind(listen.host, listen.port).then((serverSocket) {
+    Socket.connect(target.host, target.port).then((clientSocket) {
+      // TODO ...
+    });
+    // serverSocket.listen((event) { })
+  });
+}