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/*
* Copyright (c) 2024 Vaughn Nugent
*
* Library: VNLib
* Package: VNLib.Plugins.Essentials.ServiceStack
* File: IServiceHost.cs
*
* IServiceHost.cs is part of VNLib.Plugins.Essentials.ServiceStack which is part of the larger
* VNLib collection of libraries and utilities.
*
* VNLib.Plugins.Essentials.ServiceStack is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 2 of the
* License, or (at your option) any later version.
*
* VNLib.Plugins.Essentials.ServiceStack 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see https://www.gnu.org/licenses/.
*/
using VNLib.Net.Http;
using VNLib.Plugins.Essentials.ServiceStack.Plugins;
namespace VNLib.Plugins.Essentials.ServiceStack
{
/// <summary>
/// Represents an HTTP service host which provides information required
/// for HttpServer routing and the <see cref="IWebRoot"/> for proccessing
/// incomming connections
/// </summary>
public interface IServiceHost
{
/// <summary>
/// The <see cref="IWebRoot"/> that handles HTTP connection
/// processing.
/// </summary>
IWebRoot Processor { get; }
/// <summary>
/// Optional user state to be set during initialization and read at a later time
/// </summary>
object? UserState { get; }
/// <summary>
/// Called when a plugin is loaded and is endpoints are extracted
/// to be placed into service.
/// </summary>
/// <param name="plugin">The loaded plugin ready to be attached</param>
/// <param name="endpoints">The dynamic endpoints of a loading plugin</param>
void OnRuntimeServiceAttach(IManagedPlugin plugin, IEndpoint[] endpoints);
/// <summary>
/// Called when a <see cref="ServiceDomain"/>'s <see cref="IHttpPluginManager"/>
/// unloads a given plugin, and its originally discovered endpoints
/// </summary>
/// <param name="plugin">The unloading plugin to detach</param>
/// <param name="endpoints">The endpoints of the unloading plugin to remove from service</param>
void OnRuntimeServiceDetach(IManagedPlugin plugin, IEndpoint[] endpoints);
}
}
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