public SessionManager(Option<ICluster> cluster, SystemName system, ProcessName nodeName, VectorConflictStrategy strategy)
{
this.cluster = cluster;
this.system = system;
this.nodeName = nodeName;
Sync = new SessionSync(system, nodeName, strategy);
cluster.Iter(c =>
{
notify = c.SubscribeToChannel<SessionAction>(SessionsNotify).Subscribe(act => Sync.Incoming(act));
var now = DateTime.UtcNow;
// Look for stranded sessions that haven't been removed properly. This is done once only
// on startup because the systems should be shutting down sessions on their own. This just
// catches the situation where an app-domain died without shutting down properly.
c.QuerySessionKeys()
.Map(key =>
from ts in c.GetHashField<long>(key, LastAccessKey)
from to in c.GetHashField<int>(key, TimeoutKey)
where new DateTime(ts) < now.AddSeconds(to * 2) // Multiply by 2, just to catch genuine non-active sessions
select c.Delete(key))
.Iter(id => { });
// Remove session keys when an in-memory session ends
ended = SessionEnded.Subscribe(sid => Stop(sid));
touch = Sync.Touched.Subscribe(tup =>
{
try
{
c.HashFieldAddOrUpdate(SessionKey(tup.Item1), LastAccessKey, DateTime.UtcNow.Ticks);
c.PublishToChannel(SessionsNotify, SessionAction.Touch(tup.Item1, system, nodeName));
}
catch(Exception e)
{
logErr(e);
}
});
});
}
public SessionManager(Option <ICluster> cluster, SystemName system, ProcessName nodeName, VectorConflictStrategy strategy)
{
this.cluster = cluster;
this.system = system;
this.nodeName = nodeName;
Sync = new SessionSync(system, nodeName, strategy);
cluster.Iter(c =>
{
notify = c.SubscribeToChannel <SessionAction>(SessionsNotify).Subscribe(act => Sync.Incoming(act));
var now = DateTime.UtcNow;
// Look for stranded sessions that haven't been removed properly. This is done once only
// on startup because the systems should be shutting down sessions on their own. This just
// catches the situation where an app-domain died without shutting down properly.
c.QuerySessionKeys()
.Map(key =>
from ts in c.GetHashField <long>(key, LastAccessKey)
from to in c.GetHashField <int>(key, TimeoutKey)
where new DateTime(ts) < now.AddSeconds(to * 2) // Multiply by 2, just to catch genuine non-active sessions
select c.Delete(key))
.Iter(id => { });
// Remove session keys when an in-memory session ends
ended = SessionEnded.Subscribe(sid => Stop(sid));
touch = Sync.Touched.Subscribe(tup =>
{
try
{
c.HashFieldAddOrUpdate(SessionKey(tup.Item1), LastAccessKey, DateTime.UtcNow.Ticks);
c.PublishToChannel(SessionsNotify, SessionAction.Touch(tup.Item1, system, nodeName));
}
catch (Exception e)
{
logErr(e);
}
});
});
}
/// <summary>
/// Setup
/// </summary>
/// <param name="sessionManager">Process ID of the session manager</param>
/// <param name="checkFreq">Frequency to check</param>
public static Tuple<SessionSync, Time> Setup(SessionSync sync, Time checkFreq) =>
Tuple(sync, checkFreq);
/// <summary> /// Setup /// </summary> /// <param name="sessionManager">Process ID of the session manager</param> /// <param name="checkFreq">Frequency to check</param> public static Tuple <SessionSync, Time> Setup(SessionSync sync, Time checkFreq) => Tuple(sync, checkFreq);