public async Task Handle(UserSessionsEvent p_event)
{
var ls = Online.GetSessions(p_event.UserID);
if (ls != null && ls.Count > 0)
{
var result = new List <Dict>();
foreach (var ci in ls)
{
result.Add(new Dict
{
{ "userid", ci.UserID },
{ "svcid", Kit.SvcID },
{ "starttime", ci.StartTime.ToString() },
{ "platform", ci.Platform },
{ "version", ci.Version },
{ "devicename", ci.DeviceName },
{ "devicemodel", ci.DeviceModel },
});
}
var msg = Kit.Serialize(result);
await Kit.HashSetField(p_event.CacheKey, null, p_event.UserID.ToString(), msg);
}
// 统计总数
await Kit.StringIncrement(p_event.CacheKey, "cnt");
}
public async Task Handle(IsOnlineEvent p_event)
{
var sc = new StringCache(p_event.CacheKey);
var ls = Online.GetSessions(p_event.UserID);
if (ls != null && ls.Count > 0)
{
await sc.Set(null, "true");
}
// 统计总数+1
await sc.Increment("cnt");
}
/// <summary>
/// 判断用户是否在线，查询所有副本
/// </summary>
/// <param name="p_userID"></param>
/// <returns>false 不在线</returns>
public async Task <bool> IsOnline(long p_userID)
{
var ls = Online.GetSessions(p_userID);
if (ls != null && ls.Count > 0)
{
return(true);
}
// 查询所有其他副本
int cnt = await Kit.GetSvcReplicaCount();
if (cnt > 1)
{
string key = $"msg:IsOnline:{p_userID}:{Guid.NewGuid().ToString().Substring(0, 6)}";
Kit.RemoteMulticast(new IsOnlineEvent {
CacheKey = key, UserID = p_userID
});
// 等待收集
int total, retry = 0;
var sc = new StringCache(key);
do
{
await Task.Delay(_delayMilli);
total = await sc.Get <int>("cnt");
retry++;
}while (total < cnt && retry < _maxRetry);
// 删除统计总数
await sc.Delete("cnt");
// 存在键值表示在线
if (await sc.Delete(null))
{
return(true);
}
}
return(false);
}
/// <summary>
/// 查询所有副本，获取某账号的所有会话信息
/// </summary>
/// <param name="p_userID"></param>
/// <returns>会话信息列表</returns>
public async Task <List <Dict> > GetAllSessions(long p_userID)
{
List <Dict> result = new List <Dict>();
int cnt = await Kit.GetSvcReplicaCount();
if (cnt > 1)
{
// 查询所有副本
string key = $"msg:Sessions:{p_userID}:{Guid.NewGuid().ToString().Substring(0, 6)}";
Kit.RemoteMulticast(new UserSessionsEvent {
CacheKey = key, UserID = p_userID
});
// 等待收集
int total, retry = 0;
var sc = new StringCache(key);
do
{
await Task.Delay(_delayMilli);
total = await sc.Get <int>("cnt");
retry++;
}while (total < cnt && retry < _maxRetry);
// 删除统计总数
await sc.Delete("cnt");
var hc = new HashCache(key);
var hash = await hc.GetAll(null);
if (hash != null && hash.Length > 0)
{
await hc.Delete(null);
var dt = hash.ToDict();
foreach (var item in dt)
{
var ss = Kit.Deserialize <List <Dict> >((string)item.Value);
if (ss != null && ss.Count > 0)
{
result.AddRange(ss);
}
}
}
}
else
{
// 当前单副本
var ls = Online.GetSessions(p_userID);
if (ls != null && ls.Count > 0)
{
foreach (var ci in ls)
{
result.Add(new Dict
{
{ "userid", ci.UserID },
{ "svcid", Kit.SvcID },
{ "starttime", ci.StartTime.ToString() },
{ "platform", ci.Platform },
{ "version", ci.Version },
{ "devicename", ci.DeviceName },
{ "devicemodel", ci.DeviceModel },
});
}
}
}
return(result);
}
