// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。 // // 本项目主要遵循 MIT 许可证和 Apache 许可证(版本 2.0)进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。 // // 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动!任何基于本项目二次开发而产生的一切法律纠纷和责任,我们不承担任何责任! using Furion.Logging.Extensions; using Microsoft.AspNetCore.DataProtection; using Newtonsoft.Json; using StackExchange.Redis; namespace Admin.NET.Core; public static class SignalRSetup { /// /// 即时消息SignalR注册 /// /// /// public static void AddSignalR(this IServiceCollection services, Action SetNewtonsoftJsonSetting) { var signalRBuilder = services.AddSignalR(options => { options.EnableDetailedErrors = true; options.ClientTimeoutInterval = TimeSpan.FromMinutes(2); options.KeepAliveInterval = TimeSpan.FromMinutes(1); options.MaximumReceiveMessageSize = 1024 * 1024 * 10; // 数据包大小10M,默认最大为32K }).AddNewtonsoftJsonProtocol(options => SetNewtonsoftJsonSetting(options.PayloadSerializerSettings)); // 若未启用Redis缓存,直接返回 var cacheOptions = App.GetConfig("Cache", true); if (cacheOptions.CacheType != CacheTypeEnum.Redis.ToString()) return; // 若已开启集群配置,则把SignalR配置为支持集群模式 var clusterOpt = App.GetConfig("Cluster", true); if (!clusterOpt.Enabled) return; var redisOptions = clusterOpt.SentinelConfig; ConnectionMultiplexer connection1; if (clusterOpt.IsSentinel) // 哨兵模式 { var redisConfig = new ConfigurationOptions { AbortOnConnectFail = false, ServiceName = redisOptions.ServiceName, AllowAdmin = true, DefaultDatabase = redisOptions.DefaultDb, Password = redisOptions.Password }; redisOptions.EndPoints.ForEach(u => redisConfig.EndPoints.Add(u)); connection1 = ConnectionMultiplexer.Connect(redisConfig); } else { connection1 = ConnectionMultiplexer.Connect(clusterOpt.SignalR.RedisConfiguration); } // 密钥存储(数据保护) services.AddDataProtection().PersistKeysToStackExchangeRedis(connection1, clusterOpt.DataProtecteKey); signalRBuilder.AddStackExchangeRedis(options => { // 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。 // 原因请参考下边链接: // https://github.com/dotnet/aspnetcore/blob/f9121bc3e976ec40a959818451d126d5126ce868/src/SignalR/server/StackExchangeRedis/src/RedisHubLifetimeManager.cs#L74 // https://github.com/dotnet/aspnetcore/blob/f9121bc3e976ec40a959818451d126d5126ce868/src/SignalR/server/StackExchangeRedis/src/Internal/RedisChannels.cs#L33 options.Configuration.ChannelPrefix = new RedisChannel(clusterOpt.SignalR.ChannelPrefix, RedisChannel.PatternMode.Auto); options.ConnectionFactory = async writer => { ConnectionMultiplexer connection; if (clusterOpt.IsSentinel) { var config = new ConfigurationOptions { AbortOnConnectFail = false, ServiceName = redisOptions.ServiceName, AllowAdmin = true, DefaultDatabase = redisOptions.DefaultDb, Password = redisOptions.Password }; redisOptions.EndPoints.ForEach(u => config.EndPoints.Add(u)); connection = await ConnectionMultiplexer.ConnectAsync(config, writer); } else { connection = await ConnectionMultiplexer.ConnectAsync(clusterOpt.SignalR.RedisConfiguration); } connection.ConnectionFailed += (_, e) => { "连接 Redis 失败".LogError(); }; if (!connection.IsConnected) { "无法连接 Redis".LogError(); } return connection; }; }); } }