fis_lib_jsonrpc/lib/notifications/core/interface/connection.dart

import 'package:fis_common/event/event_type.dart';

enum ConnectionStatus {
  connecting,
  connected,
  connectFailed,
  connectedClosed,
}

abstract class IConnection {
  /// 连接状态
  ConnectionStatus get status;

  /// 是否已连接
  bool get isConnected;

  /// 是否保活
  bool get isKeepAlive;

  /// 接收消息事件
  late FEventHandler<dynamic> messageReceived;

  /// 发送异常事件
  FEventHandler<Exception>? exceptionOccurred;

  /// 状态变更事件
  FEventHandler<ConnectionStatus>? statusChanged;

  /// 连接
  Future<bool> connect();

  /// 关闭连接
  Future<bool> close();
}