MqttControllerService.cs
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using HHECS.DAQServer.Dto.Equipment;
using HHECS.DAQShared.Dto;
using MQTTnet.Server;
using System.Text;
using System.Text.Json;
namespace HHECS.DAQServer.Services
{
public class MqttControllerService
{
private readonly EquipmentService _equipmentService;
private readonly ILogger<MqttControllerService> _logger;
public MqttControllerService(EquipmentService equipmentService, ILogger<MqttControllerService> logger)
{
_equipmentService = equipmentService;
_logger = logger;
}
public Task OnClientConnected(ClientConnectedEventArgs eventArgs)
{
_logger.LogInformation("Client '{ClientId}' connected.", eventArgs.ClientId);
return Task.CompletedTask;
}
public Task ValidateConnection(ValidatingConnectionEventArgs eventArgs)
{
_logger.LogInformation("Client '{ClientId}' wants to connect. Accepting!", eventArgs.ClientId);
return Task.CompletedTask;
}
public async Task InterceptingPublish(InterceptingPublishEventArgs args)
{
try
{
var topic = args.ApplicationMessage.Topic;
var payload = args.ApplicationMessage.Payload;
var payloadString = Encoding.Default.GetString(payload);
//这里建议topic与api接口路径保持一致，方法共用
const string equipmentApi = "api/equipment/";
if (topic == $"{equipmentApi}SendEquipmentData")
{
var data = JsonSerializer.Deserialize<List<EquipmentDataDto>>(payloadString);
await _equipmentService.SendEquipmentData(data);
}
if (topic == $"{equipmentApi}SendEquipmentDataV2")
{
var data = JsonSerializer.Deserialize<List<EquipmentDataV2Dto>>(payloadString);
await _equipmentService.SendEquipmentDataV2(data);
}
if (topic == $"{equipmentApi}UpdateClientStatus")
{
var data = JsonSerializer.Deserialize<ClientStatusDto>(payloadString);
await _equipmentService.UpdateClientStatus(data.ClientId);
}
}
catch (Exception ex)
{
_logger.LogError(ex, "[{ServiceName}]的“{MethodName}”方法异常：{ErrorMessage}", nameof(MqttControllerService), nameof(InterceptingPublish), ex.Message);
}
}
}
}