linux flutter example with bridge to rust and build system

veilid-flutter/lib/bridge_generated.dart

@@ -40,7 +40,7 @@ enum AttachmentState {
 
 class VeilidConfig {
   final String programName;
-  final String namespace;
+  final String veilidNamespace;
   final bool capabilitiesProtocolUdp;
   final bool capabilitiesProtocolConnectTcp;
   final bool capabilitiesProtocolAcceptTcp;
@@ -108,7 +108,7 @@ class VeilidConfig {
 
   VeilidConfig({
     required this.programName,
-    required this.namespace,
+    required this.veilidNamespace,
     required this.capabilitiesProtocolUdp,
     required this.capabilitiesProtocolConnectTcp,
     required this.capabilitiesProtocolAcceptTcp,
@@ -332,7 +332,7 @@ class VeilidFlutterImpl extends FlutterRustBridgeBase<VeilidFlutterWire>
   void _api_fill_to_wire_veilid_config(
       VeilidConfig apiObj, wire_VeilidConfig wireObj) {
     wireObj.program_name = _api2wire_String(apiObj.programName);
-    wireObj.namespace = _api2wire_String(apiObj.namespace);
+    wireObj.veilid_namespace = _api2wire_String(apiObj.veilidNamespace);
     wireObj.capabilities__protocol_udp =
         _api2wire_bool(apiObj.capabilitiesProtocolUdp);
     wireObj.capabilities__protocol_connect_tcp =
@@ -708,7 +708,7 @@ class wire_StringList extends ffi.Struct {
 class wire_VeilidConfig extends ffi.Struct {
   external ffi.Pointer<wire_uint_8_list> program_name;
 
-  external ffi.Pointer<wire_uint_8_list> namespace_;
+  external ffi.Pointer<wire_uint_8_list> veilid_namespace;
 
   @ffi.Uint8()
   external int capabilities__protocol_udp;

veilid-flutter/lib/bridge_generated.freezed.dart

@@ -0,0 +1,230 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target
+
+part of 'bridge_generated.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+    'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more informations: https://github.com/rrousselGit/freezed#custom-getters-and-methods');
+
+/// @nodoc
+class _$VeilidUpdateTearOff {
+  const _$VeilidUpdateTearOff();
+
+  Attachment attachment(AttachmentState field0) {
+    return Attachment(
+      field0,
+    );
+  }
+}
+
+/// @nodoc
+const $VeilidUpdate = _$VeilidUpdateTearOff();
+
+/// @nodoc
+mixin _$VeilidUpdate {
+  AttachmentState get field0 => throw _privateConstructorUsedError;
+
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(AttachmentState field0) attachment,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult Function(AttachmentState field0)? attachment,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(AttachmentState field0)? attachment,
+    required TResult orElse(),
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(Attachment value) attachment,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult Function(Attachment value)? attachment,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(Attachment value)? attachment,
+    required TResult orElse(),
+  }) =>
+      throw _privateConstructorUsedError;
+
+  @JsonKey(ignore: true)
+  $VeilidUpdateCopyWith<VeilidUpdate> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $VeilidUpdateCopyWith<$Res> {
+  factory $VeilidUpdateCopyWith(
+          VeilidUpdate value, $Res Function(VeilidUpdate) then) =
+      _$VeilidUpdateCopyWithImpl<$Res>;
+  $Res call({AttachmentState field0});
+}
+
+/// @nodoc
+class _$VeilidUpdateCopyWithImpl<$Res> implements $VeilidUpdateCopyWith<$Res> {
+  _$VeilidUpdateCopyWithImpl(this._value, this._then);
+
+  final VeilidUpdate _value;
+  // ignore: unused_field
+  final $Res Function(VeilidUpdate) _then;
+
+  @override
+  $Res call({
+    Object? field0 = freezed,
+  }) {
+    return _then(_value.copyWith(
+      field0: field0 == freezed
+          ? _value.field0
+          : field0 // ignore: cast_nullable_to_non_nullable
+              as AttachmentState,
+    ));
+  }
+}
+
+/// @nodoc
+abstract class $AttachmentCopyWith<$Res>
+    implements $VeilidUpdateCopyWith<$Res> {
+  factory $AttachmentCopyWith(
+          Attachment value, $Res Function(Attachment) then) =
+      _$AttachmentCopyWithImpl<$Res>;
+  @override
+  $Res call({AttachmentState field0});
+}
+
+/// @nodoc
+class _$AttachmentCopyWithImpl<$Res> extends _$VeilidUpdateCopyWithImpl<$Res>
+    implements $AttachmentCopyWith<$Res> {
+  _$AttachmentCopyWithImpl(Attachment _value, $Res Function(Attachment) _then)
+      : super(_value, (v) => _then(v as Attachment));
+
+  @override
+  Attachment get _value => super._value as Attachment;
+
+  @override
+  $Res call({
+    Object? field0 = freezed,
+  }) {
+    return _then(Attachment(
+      field0 == freezed
+          ? _value.field0
+          : field0 // ignore: cast_nullable_to_non_nullable
+              as AttachmentState,
+    ));
+  }
+}
+
+/// @nodoc
+
+class _$Attachment implements Attachment {
+  const _$Attachment(this.field0);
+
+  @override
+  final AttachmentState field0;
+
+  @override
+  String toString() {
+    return 'VeilidUpdate.attachment(field0: $field0)';
+  }
+
+  @override
+  bool operator ==(dynamic other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is Attachment &&
+            const DeepCollectionEquality().equals(other.field0, field0));
+  }
+
+  @override
+  int get hashCode =>
+      Object.hash(runtimeType, const DeepCollectionEquality().hash(field0));
+
+  @JsonKey(ignore: true)
+  @override
+  $AttachmentCopyWith<Attachment> get copyWith =>
+      _$AttachmentCopyWithImpl<Attachment>(this, _$identity);
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(AttachmentState field0) attachment,
+  }) {
+    return attachment(field0);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult Function(AttachmentState field0)? attachment,
+  }) {
+    return attachment?.call(field0);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(AttachmentState field0)? attachment,
+    required TResult orElse(),
+  }) {
+    if (attachment != null) {
+      return attachment(field0);
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(Attachment value) attachment,
+  }) {
+    return attachment(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult Function(Attachment value)? attachment,
+  }) {
+    return attachment?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(Attachment value)? attachment,
+    required TResult orElse(),
+  }) {
+    if (attachment != null) {
+      return attachment(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class Attachment implements VeilidUpdate {
+  const factory Attachment(AttachmentState field0) = _$Attachment;
+
+  @override
+  AttachmentState get field0;
+  @override
+  @JsonKey(ignore: true)
+  $AttachmentCopyWith<Attachment> get copyWith =>
+      throw _privateConstructorUsedError;
+}

veilid-flutter/lib/veilid.dart

@@ -1,13 +1,38 @@
-
 import 'dart:async';
+import 'dart:ffi';
+import 'dart:io';
+import 'dart:typed_data';
+
 import 'package:flutter/services.dart';
+import 'package:flutter/material.dart';
 import 'package:veilid/bridge_generated.dart';
 
-class Veilid {
-  static const MethodChannel _channel = MethodChannel('veilid');
+const base = 'veilid_flutter';
+final path = Platform.isWindows
+    ? '$base.dll'
+    : Platform.isMacOS
+        ? 'lib$base.dylib'
+        : 'lib$base.so';
+late final dylib = Platform.isIOS ? DynamicLibrary.process() : DynamicLibrary.open(path);
+late final veilidApi = VeilidFlutterImpl(dylib);
 
-  static Future<String?> get platformVersion async {
-    final String? version = await _channel.invokeMethod('getPlatformVersion');
-    return version;
+class Veilid {
+
+  static VeilidFlutterImpl get api {
+    if (veilidApi == null) {
+      throw PlatformException(
+        code: 'Library missing',
+        details: 'veilid_core library could not be loaded dynamically',
+      );
+    }
+    return veilidApi;
   }
+
+  // static const MethodChannel _channel = MethodChannel('veilid');
+
+  // static Future<String?> get platformVersion async {
+  //   final String? version = await _channel.invokeMethod('getPlatformVersion');
+  //   return version;
+  // }
+
 }

veilid-flutter/lib/veilid_web.dart

@@ -8,37 +8,34 @@ import 'dart:html' as html show window;
 import 'package:flutter/services.dart';
 import 'package:flutter_web_plugins/flutter_web_plugins.dart';
 
+// xxx link in WASM version of veilid-flutter
+
 /// A web implementation of the Veilid plugin.
 class VeilidWeb {
   static void registerWith(Registrar registrar) {
-    final MethodChannel channel = MethodChannel(
-      'veilid',
-      const StandardMethodCodec(),
-      registrar,
-    );
+    // final MethodChannel channel = MethodChannel(
+    //   'veilid',
+    //   const StandardMethodCodec(),
+    //   registrar,
+    // );
 
-    final pluginInstance = VeilidWeb();
-    channel.setMethodCallHandler(pluginInstance.handleMethodCall);
+    // final pluginInstance = VeilidWeb();
+    // channel.setMethodCallHandler(pluginInstance.handleMethodCall);
   }
 
   /// Handles method calls over the MethodChannel of this plugin.
   /// Note: Check the "federated" architecture for a new way of doing this:
   /// https://flutter.dev/go/federated-plugins
   Future<dynamic> handleMethodCall(MethodCall call) async {
-    switch (call.method) {
-      case 'getPlatformVersion':
-        return getPlatformVersion();
-      default:
+    // switch (call.method) {
+    //   case 'getPlatformVersion':
+    //     return getPlatformVersion();
+    //   default:
         throw PlatformException(
           code: 'Unimplemented',
           details: 'veilid for web doesn\'t implement \'${call.method}\'',
         );
-    }
+    // }
   }
 
-  /// Returns a [String] containing the version of the platform.
-  Future<String> getPlatformVersion() {
-    final version = html.window.navigator.userAgent;
-    return Future.value(version);
-  }
 }