feat: Test writing and reading

moxxmpp_socket/.flutter-plugins-dependencies

@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"integration_test","path":"/nix/store/8gcfk0g1lg8gccd9kv3rzj910w9pz1kj-flutter-3.3.3-unwrapped/packages/integration_test/","native_build":true,"dependencies":[]}],"android":[{"name":"integration_test","path":"/nix/store/8gcfk0g1lg8gccd9kv3rzj910w9pz1kj-flutter-3.3.3-unwrapped/packages/integration_test/","native_build":true,"dependencies":[]},{"name":"moxdns_android","path":"/home/alexander/.pub-cache/hosted/git.polynom.me%47api%47packages%47Moxxy%47pub%47/moxdns_android-0.1.4/","native_build":true,"dependencies":[]}],"macos":[],"linux":[{"name":"moxdns_linux","path":"/home/alexander/.pub-cache/hosted/git.polynom.me%47api%47packages%47Moxxy%47pub%47/moxdns_linux-0.1.4/","native_build":true,"dependencies":[]}],"windows":[],"web":[]},"dependencyGraph":[{"name":"integration_test","dependencies":[]},{"name":"moxdns","dependencies":["moxdns_android","moxdns_linux"]},{"name":"moxdns_android","dependencies":["moxdns"]},{"name":"moxdns_linux","dependencies":["moxdns"]}],"date_created":"2022-11-07 22:04:34.759562","version":"3.3.3"}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"integration_test","path":"/nix/store/8gcfk0g1lg8gccd9kv3rzj910w9pz1kj-flutter-3.3.3-unwrapped/packages/integration_test/","native_build":true,"dependencies":[]}],"android":[{"name":"integration_test","path":"/nix/store/8gcfk0g1lg8gccd9kv3rzj910w9pz1kj-flutter-3.3.3-unwrapped/packages/integration_test/","native_build":true,"dependencies":[]},{"name":"moxdns_android","path":"/home/alexander/.pub-cache/hosted/git.polynom.me%47api%47packages%47Moxxy%47pub%47/moxdns_android-0.1.4/","native_build":true,"dependencies":[]}],"macos":[],"linux":[{"name":"moxdns_linux","path":"/home/alexander/.pub-cache/hosted/git.polynom.me%47api%47packages%47Moxxy%47pub%47/moxdns_linux-0.1.4/","native_build":true,"dependencies":[]}],"windows":[],"web":[]},"dependencyGraph":[{"name":"integration_test","dependencies":[]},{"name":"moxdns","dependencies":["moxdns_android","moxdns_linux"]},{"name":"moxdns_android","dependencies":["moxdns"]},{"name":"moxdns_linux","dependencies":["moxdns"]}],"date_created":"2022-11-08 12:16:15.896518","version":"3.3.3"}

moxxmpp_socket/integration_test/test_wrong_host.dart

@@ -1,21 +1,25 @@
+import 'dart:convert';
 import 'dart:io';
+import 'dart:typed_data';
 import 'package:moxxmpp_socket/src/ssl.dart';
 
 void main(List<String> argv) async {
-  if (argv.length != 2) {
+  if (argv.length < 2) {
     print('Usage: test_wrong_host.dart server-addr host-name');
     exit(1);
   }
 
   final server = argv[0];
   final hostname = argv[1];
+  final port = argv.length == 3 ? argv[2] : '5223';
+
   final ctx = MbedSockCtx('/etc/ssl/certs/');
   final sock = MbedSock(ctx);
 
-  print('Connecting...');
+  print('Connecting to $server:$port while indicating $hostname...');
   final done = sock.connectSecure(
     server,
-    '5223',
+    port,
     alpn: 'xmpp-client',
     hostname: hostname,
   );
@@ -23,6 +27,22 @@ void main(List<String> argv) async {
   print('Success? $done');
   print('Secure? ${sock.isSecure()}');
 
+  final write = sock.write(
+    "<?xml version='1.0'?><stream:stream to='$hostname' version='1.0' xml:lang='en' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams'>"
+  );
+  print('Write: $write');
+
+  Uint8List? read = Uint8List(0);
+  do {
+    read = sock.read();
+    if (read != null) {
+      final str = utf8.decode(read);
+      print('Read: $str');
+    } else {
+      print('Read: Null');
+    }
+  } while (read != null);
+  
   sock.free();
   ctx.free();
   print('OKAY');

moxxmpp_socket/lib/src/ssl.dart

@@ -1,5 +1,6 @@
-import 'dart:io';
+import 'dart:convert';
 import 'dart:ffi';
+import 'dart:io';
 import 'dart:typed_data';
 import 'package:ffi/ffi.dart';
 import 'package:path/path.dart' as path;
@@ -26,9 +27,13 @@ class MbedSockCtx {
 
 class MbedSock {
   late Pointer<libmbedsock.mbedsock> sock;
+  late Pointer<Uint8> _readBuf;
+  late Pointer<Uint8> _writeBuf;
 
   MbedSock(MbedSockCtx ctx) {
     sock = lib.mbedsock_new_ex(ctx.ctx);
+    _readBuf = malloc.call<Uint8>(2048);
+    _writeBuf = malloc.call<Uint8>(2048);
   }
 
   bool connect(String host, int port) {
@@ -76,11 +81,44 @@ class MbedSock {
     return lib.mbedsock_is_secure(sock) == 1;
   }
   
-  void write(String data) {
+  int write(String data) {
-    //lib.mbedsock_write(sock, data, data.length);
+    final rawData = utf8.encode(data);
+
+    // TODO: Buffer the write
+    assert(rawData.length <= 2048);
+
+    _writeBuf.asTypedList(2048).setAll(0, rawData);
+    return lib.mbedsock_write(
+      sock,
+      _writeBuf,
+      rawData.length,
+    );
+  }
+
+  Uint8List? read() {
+    final result = lib.mbedsock_read(
+      sock,
+      _readBuf,
+      2048,
+    );
+
+    // TODO: Buffer the read
+    assert(result <= 2048);
+    
+    if (result < 0) {
+      print('Socket error');
+      return null;
+    } else if (result == 0) {
+      print('Socket closed');
+      return null;
+    } else {
+      return _readBuf.asTypedList(result) as Uint8List;
+    }
   }
   
   void free() {
     lib.mbedsock_free_ex(sock);
+    malloc.free(_readBuf);
+    malloc.free(_writeBuf);
   }
 }