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");
}
public async Task Handle(UnregisterEvent p_event)
{
var sc = new StringCache(p_event.CacheKey);
var ci = Online.GetSession(p_event.UserID, p_event.SessionID);
if (ci != null)
{
await sc.Set(null, "true");
await ci.Close();
}
// 统计总数
await sc.Increment("cnt");
}
/// <summary>
/// 客户端注册在线推送
/// </summary>
/// <param name="p_deviceInfo">客户端设备信息</param>
/// <param name="p_writer"></param>
/// <returns></returns>
public async Task Register(Dict p_deviceInfo, ResponseWriter p_writer)
{
var ci = new ClientInfo(p_deviceInfo, p_writer);
// 注册新会话(同一账号支持多个会话)，并向新会话发送离线信息
await Online.Register(ci);
// 推送
while (await ci.SendMsg())
{
}
// 推送结束，删除会话
Online.RemoveSession(ci.UserID, ci.SessionID);
Log.Debug("{0} 离线", ci.UserID);
}
/// <summary>
/// 注销客户端
/// 1. 早期版本在客户端关闭时会造成多个无关的ClientInfo收到Abort，只能从服务端Abort，升级到.net 5.0后不再出现该现象！！！
/// 2. 使用客户端 response.Dispose() 主动关闭时，不同平台现象不同，服务端能同步收到uwp关闭消息，但android ios上不行，
/// 直到再次推送时才发现客户端已关闭，为了保证客户端在线状态实时更新，客户端只能调用该方法！！！
/// </summary>
/// <param name="p_userID"></param>
/// <param name="p_sessionID">会话标识，区分同一账号多个登录的情况</param>
/// <returns></returns>
public async Task <bool> Unregister(long p_userID, string p_sessionID)
{
var ci = Online.GetSession(p_userID, p_sessionID);
if (ci != null)
{
await ci.Close();
return(true);
}
// 查询所有其他副本
int cnt = await Kit.GetSvcReplicaCount();
if (cnt > 1)
{
string key = $"msg:Unregister:{p_userID}:{Guid.NewGuid().ToString().Substring(0, 6)}";
Kit.RemoteMulticast(new UnregisterEvent {
CacheKey = key, UserID = p_userID, SessionID = p_sessionID
});
// 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);
}