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- // 麻省理工学院许可证
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- // 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。
- using Furion.Logging.Extensions;
- using Microsoft.AspNetCore.DataProtection;
- using Newtonsoft.Json;
- using StackExchange.Redis;
- namespace Admin.NET.Core;
- public static class SignalRSetup
- {
- /// <summary>
- /// 即时消息SignalR注册
- /// </summary>
- /// <param name="services"></param>
- /// <param name="SetNewtonsoftJsonSetting"></param>
- public static void AddSignalR(this IServiceCollection services, Action<JsonSerializerSettings> 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<CacheOptions>("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<ClusterOptions>("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;
- };
- });
- }
- }
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