113 lines
3.4 KiB
C#
113 lines
3.4 KiB
C#
using AutoMapper;
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using DMS.Application.DTOs;
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using DMS.Application.DTOs.Events;
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using DMS.Core.Models;
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using DMS.Application.Interfaces;
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using DMS.Core.Interfaces;
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using DMS.Core.Enums;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using System;
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namespace DMS.Application.Services;
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/// <summary>
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/// MQTT管理服务，负责MQTT相关的业务逻辑。
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/// </summary>
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public class MqttManagementService
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{
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private readonly IMqttAppService _mqttAppService;
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private readonly ConcurrentDictionary<int, MqttServerDto> _mqttServers;
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/// <summary>
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/// 当MQTT服务器数据发生变化时触发
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/// </summary>
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public event EventHandler<MqttServerChangedEventArgs> MqttServerChanged;
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public MqttManagementService(IMqttAppService mqttAppService,
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ConcurrentDictionary<int, MqttServerDto> mqttServers)
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{
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_mqttAppService = mqttAppService;
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_mqttServers = mqttServers;
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}
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/// <summary>
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/// 异步根据ID获取MQTT服务器DTO。
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/// </summary>
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public async Task<MqttServerDto> GetMqttServerByIdAsync(int id)
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{
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return await _mqttAppService.GetMqttServerByIdAsync(id);
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}
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/// <summary>
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/// 异步获取所有MQTT服务器DTO列表。
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/// </summary>
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public async Task<List<MqttServerDto>> GetAllMqttServersAsync()
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{
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return await _mqttAppService.GetAllMqttServersAsync();
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}
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/// <summary>
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/// 异步创建一个新的MQTT服务器。
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/// </summary>
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public async Task<int> CreateMqttServerAsync(MqttServerDto mqttServerDto)
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{
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return await _mqttAppService.CreateMqttServerAsync(mqttServerDto);
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}
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/// <summary>
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/// 异步更新一个已存在的MQTT服务器。
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/// </summary>
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public async Task UpdateMqttServerAsync(MqttServerDto mqttServerDto)
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{
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await _mqttAppService.UpdateMqttServerAsync(mqttServerDto);
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}
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/// <summary>
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/// 异步删除一个MQTT服务器。
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/// </summary>
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public async Task DeleteMqttServerAsync(int id)
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{
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await _mqttAppService.DeleteMqttServerAsync(id);
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}
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/// <summary>
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/// 在内存中添加MQTT服务器
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/// </summary>
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public void AddMqttServerToMemory(MqttServerDto mqttServerDto)
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{
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if (_mqttServers.TryAdd(mqttServerDto.Id, mqttServerDto))
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{
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OnMqttServerChanged(new MqttServerChangedEventArgs(DataChangeType.Added, mqttServerDto));
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}
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}
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/// <summary>
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/// 在内存中更新MQTT服务器
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/// </summary>
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public void UpdateMqttServerInMemory(MqttServerDto mqttServerDto)
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{
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_mqttServers.AddOrUpdate(mqttServerDto.Id, mqttServerDto, (key, oldValue) => mqttServerDto);
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OnMqttServerChanged(new MqttServerChangedEventArgs(DataChangeType.Updated, mqttServerDto));
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}
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/// <summary>
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/// 在内存中删除MQTT服务器
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/// </summary>
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public void RemoveMqttServerFromMemory(int mqttServerId)
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{
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if (_mqttServers.TryRemove(mqttServerId, out var mqttServerDto))
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{
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OnMqttServerChanged(new MqttServerChangedEventArgs(DataChangeType.Deleted, mqttServerDto));
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}
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}
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/// <summary>
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/// 触发MQTT服务器变更事件
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/// </summary>
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protected virtual void OnMqttServerChanged(MqttServerChangedEventArgs e)
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{
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MqttServerChanged?.Invoke(this, e);
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}
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} |