SignalRSetup.cs 4.8 KB

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  1. // 麻省理工学院许可证
  2. //
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  6. //
  7. // 软件按“原样”提供,不提供任何形式的明示或暗示的保证,包括但不限于对适销性、适用性和非侵权的保证。
  8. // 在任何情况下,作者或版权持有人均不对任何索赔、损害或其他责任负责,无论是因合同、侵权或其他方式引起的,与软件或其使用或其他交易有关。
  9. using Furion.Logging.Extensions;
  10. using Microsoft.AspNetCore.DataProtection;
  11. using StackExchange.Redis;
  12. namespace Admin.NET.Core;
  13. public static class SignalRSetup
  14. {
  15. /// <summary>
  16. /// 即时消息SignalR注册
  17. /// </summary>
  18. /// <param name="services"></param>
  19. /// <param name="SetNewtonsoftJsonSetting"></param>
  20. public static void AddSignalR(this IServiceCollection services, Action<JsonSerializerSettings> SetNewtonsoftJsonSetting)
  21. {
  22. var signalRBuilder = services.AddSignalR(options =>
  23. {
  24. options.EnableDetailedErrors = true;
  25. options.ClientTimeoutInterval = TimeSpan.FromMinutes(2);
  26. options.KeepAliveInterval = TimeSpan.FromMinutes(1);
  27. }).AddNewtonsoftJsonProtocol(options => SetNewtonsoftJsonSetting(options.PayloadSerializerSettings));
  28. // 若未启用Redis缓存,直接返回
  29. var cacheOptions = App.GetOptions<CacheOptions>();
  30. if (cacheOptions.CacheType != CacheTypeEnum.Redis.ToString())
  31. return;
  32. // 若已开启集群配置,则把SignalR配置为支持集群模式
  33. var clusterOpt = App.GetOptions<ClusterOptions>();
  34. if (!clusterOpt.Enabled)
  35. return;
  36. var redisOptions = clusterOpt.SentinelConfig;
  37. ConnectionMultiplexer connection1;
  38. if (clusterOpt.IsSentinel) // 哨兵模式
  39. {
  40. var redisConfig = new ConfigurationOptions
  41. {
  42. AbortOnConnectFail = false,
  43. ServiceName = redisOptions.ServiceName,
  44. AllowAdmin = true,
  45. DefaultDatabase = redisOptions.DefaultDb,
  46. Password = redisOptions.Password
  47. };
  48. redisOptions.EndPoints.ForEach(u => redisConfig.EndPoints.Add(u));
  49. connection1 = ConnectionMultiplexer.Connect(redisConfig);
  50. }
  51. else
  52. {
  53. connection1 = ConnectionMultiplexer.Connect(clusterOpt.SignalR.RedisConfiguration);
  54. }
  55. // 密钥存储(数据保护)
  56. services.AddDataProtection().PersistKeysToStackExchangeRedis(connection1, clusterOpt.DataProtecteKey);
  57. signalRBuilder.AddStackExchangeRedis(options =>
  58. {
  59. // 此处设置的ChannelPrefix并不会生效,如果两个不同的项目,且[程序集名+类名]一样,使用同一个redis服务,请注意修改 Hub/OnlineUserHub 的类名。
  60. // 原因请参考下边链接:
  61. // https://github.com/dotnet/aspnetcore/blob/f9121bc3e976ec40a959818451d126d5126ce868/src/SignalR/server/StackExchangeRedis/src/RedisHubLifetimeManager.cs#L74
  62. // https://github.com/dotnet/aspnetcore/blob/f9121bc3e976ec40a959818451d126d5126ce868/src/SignalR/server/StackExchangeRedis/src/Internal/RedisChannels.cs#L33
  63. options.Configuration.ChannelPrefix = clusterOpt.SignalR.ChannelPrefix;
  64. options.ConnectionFactory = async writer =>
  65. {
  66. ConnectionMultiplexer connection;
  67. if (clusterOpt.IsSentinel)
  68. {
  69. var config = new ConfigurationOptions
  70. {
  71. AbortOnConnectFail = false,
  72. ServiceName = redisOptions.ServiceName,
  73. AllowAdmin = true,
  74. DefaultDatabase = redisOptions.DefaultDb,
  75. Password = redisOptions.Password
  76. };
  77. redisOptions.EndPoints.ForEach(u => config.EndPoints.Add(u));
  78. connection = await ConnectionMultiplexer.ConnectAsync(config, writer);
  79. }
  80. else
  81. {
  82. connection = await ConnectionMultiplexer.ConnectAsync(clusterOpt.SignalR.RedisConfiguration);
  83. }
  84. connection.ConnectionFailed += (_, e) =>
  85. {
  86. "连接 Redis 失败".LogError();
  87. };
  88. if (!connection.IsConnected)
  89. {
  90. "无法连接 Redis".LogError();
  91. }
  92. return connection;
  93. };
  94. });
  95. }
  96. }