//根据某一个在线用户 获取他所关注的股票codeList
public List <string> GetOnlineCodeList(string online)
{
string key = $"push{online}";
var contains = _cache.Contains(key);
if (!contains)
{
LogWrite.WriteLogError(new Exception($"redis db1在线用户{online}不存在push_online-codeList缓存"));
}
var codeList = _cache.Get <List <string> >(key);
return(codeList);
}
/// <summary>
/// 用户下线,更新在线用户,也就是再hub中断开链接调用
/// </summary>
/// <param name="onlineUser"></param>
public void DelOnlineCache(string onlineUser)
{
if (_cache.Contains(_redisOnline))
{
IList <string> onlineList = _cache.Get <List <string> >(_redisOnline);
_cache.Remove(_redisOnline);
onlineList.Remove(_redisOnline);
_cache.Set(_redisOnline, onlineList, TimeSpan.FromDays(1));
}
else
{
var exception = new ApplicationException("redis db1中不存在 在线用户缓存");
LogWrite.WriteLogError(exception);
}
}
/// <summary>
/// 重连时
/// </summary>
/// <returns></returns>
public override Task OnReconnected()
{
var signalRid = GetSignalRid();
Console.WriteLine($"session_id{signalRid}重连");
LogWrite.WriteLogInfo($"-------------------------重新链接----------------------");
LogWrite.WriteLogInfo($"----sessionId:{signalRid}与TrumguSignalR重新链接-------");
try
{
_service.AddOnlineCache(signalRid);
_service.ChangeOnline();
}
catch (Exception e)
{
Console.WriteLine(e);
LogWrite.WriteLogError(e);
}
return(base.OnReconnected());
}
/// <summary>
/// 断开连接时
/// </summary>
/// <param name="stopCalled"></param>
/// <returns></returns>
public override Task OnDisconnected(bool stopCalled)
{
var signalRid = GetSignalRid();
Console.WriteLine($"session_id{signalRid}断开连接");
LogWrite.WriteLogInfo($"-------------------------断开链接----------------------");
LogWrite.WriteLogInfo($"----sessionId:{signalRid}与TrumguSignalR断开链接-------");
try
{
_service.DelOnlineCache(signalRid);
_service.ChangeOnline();
}
catch (Exception e)
{
Console.WriteLine(e);
LogWrite.WriteLogError(e);
}
return(base.OnDisconnected(stopCalled));
}
public string GetUserIdByRedis(string sessionId)
{
LogWrite.WriteLogInfo("--------------从sessionRedis中得到userID--------");
if (_sessionCache.Contains(sessionId))
{
var sessionKey = sessionId.Contains("WX_") ? "user_info" : "UserInfo";
t_bf_sys_userObj userInfo = _sessionCache.HashGet <t_bf_sys_userObj>(sessionId, sessionKey);
if (userInfo == null)
{
LogWrite.WriteLogError(new ApplicationException($"sessionRedis没有成功解析{sessionId}的用户信息"));
return(null);
}
string userId = userInfo.id.ToString();
LogWrite.WriteLogInfo($"从sessionRedis获取到了{sessionId}的userId:{userId}");
return(userId);
}
LogWrite.WriteLogError(new ApplicationException($"sessionRedis中没有找到key为:{sessionId}的用户信息缓存"));
return(null);
}
/// <summary>
/// 构建用来推送的缓存
/// push+signal-codeList
/// </summary>
private void CreateSignalCodeListCache()
{
LogWrite.WriteLogInfo("--------------创建推送缓存 push_online-codeList缓存--------");
var onlineList = GetOnlineCache();
if (onlineList == null || onlineList.Count <= 0)
{
return;
}
foreach (var online in onlineList)
{
if (!_cache.Contains(online))
{
LogWrite.WriteLogError(new ApplicationException($"构建推送缓存时,缓存中不存在当前session:{online}为key的 online-userId缓存"));
return;
}
var userId = _cache.Get <string>(online);
if (!_cache.Contains(userId))
{
LogWrite.WriteLogError(new Exception($"构建推送缓存时,缓存中不存在用户userid{userId}为key的 user-codeList缓存"));
return;
}
var codeList = _cache.Get <List <string> >(userId);
//online的key已经存在,所以我要加个前缀
string key = $"push{online}";
var contains = _cache.Contains(key);
if (contains)
{
_cache.Remove(key);
}
if (codeList != null && codeList.Count > 0)
{
_cache.Set(key, codeList, TimeSpan.FromDays(1));
}
}
}
public static void Main(string[] args)
{
//删除rabbitMQ积压的数据
WxPopJob.DeleteQueue();
Console.WriteLine("删除rabbitMQ积压的数据");
InitService initService = new InitService();
//移除在线用户
initService.InitOnline();
//重启时,更新所有 userid-codeList的缓存
initService.CreateUserIdCodeListCache();
Console.WriteLine("更新所有 userid-codeList的缓存---完毕");
Console.WriteLine("主进程开始..");
LogWrite.WriteLogInfo("主进程开始");
var url = Config.GetValue("SignalRUrl");
LogWrite.WriteLogInfo($"服务地址{url}");
Console.WriteLine($"服务地址{url}");
using (WebApp.Start(url))
{
try
{
LogWrite.WriteLogInfo("服务端口开启成功");
Console.WriteLine("服务端口开启成功");
QuartzJob();
}
catch (Exception e)
{
Console.WriteLine(e);
LogWrite.WriteLogError(e);
}
finally
{
Console.ReadKey();
}
}
}