#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using HeuristicLab.Common;
using System;
using System.Threading;
using System.Threading.Tasks;

namespace HeuristicLab.Core.Networks {
  public interface IMessagePort : IParameterizedPort {
    IMessagePort ConnectedPort { get; set; }
    bool PortConnectionValid { get; }
    bool LogMessages { get; set; }
    MessageCollection Messages { get; }

    bool CanConnectToPort(IPort port);

    event EventHandler ConnectedPortChanged;
    event EventHandler PortConnectionValidChanged;
    event EventHandler LogMessagesChanged;

    IMessage PrepareMessage();
    void SendMessage(IMessage message);
    void SendMessage(IMessage message, CancellationToken token);
    Task SendMessageAsync(IMessage message);
    Task SendMessageAsync(IMessage message, CancellationToken token);
    void ReceiveMessage(IMessage message, CancellationToken token);

    event EventHandler<EventArgs<IMessage, CancellationToken>> MessageSent;
    event EventHandler<EventArgs<IMessage, CancellationToken>> MessageReceived;
  }
}