private bool PollMessages(CallContext cntx, ulong lastId)
{
var msgsvc = new SignalRMessageServiceProxy();
DateTime dt = DateTime.UtcNow.AddHours(-config.TimeWindowInHours);
QueryExpresion qexpr = new QueryExpresion();
qexpr.OrderTks = new List <QToken>(new QToken[] {
new QToken {
TkName = "ID"
},
new QToken {
TkName = "desc"
}
});
qexpr.FilterTks = new List <QToken>(new QToken[] {
new QToken {
TkName = "ApplicationID == \"" + config.App.ID + "\" && ID > " + lastId + " && TimeStamp > " + dt.Ticks
}
});
var msgs = msgsvc.QueryDatabaseLimited(cntx, new SignalRMessageSet(), qexpr, config.MaxBacklogMessages).ToArray();
if (msgs.Length > 0)
{
LastMessageId = (ulong)msgs[0].ID;
IsLastMessageIdChanged = true;
foreach (var e in from d in msgs orderby d.ID ascending select d)
{
var smsg = ScaleoutMessage.FromBytes(e.MesssageData);
forwardMessage((ulong)e.ID, smsg);
}
}
return(msgs.Length > 0);
}
private void ProcOldMessages(CallContext cntx, SignalRMessageServiceProxy msgsvc)
{
var hsvc = new SignalRHostStateServiceProxy();
var host = hsvc.LoadEntityByNature(cntx, config.HostName, config.App.ID).SingleOrDefault();
if (host == null)
{
host = new SignalRHostState
{
HostName = config.HostName,
ApplicationID = config.App.ID,
LastMsgId = 0
};
var x = hsvc.AddOrUpdateEntities(cntx, new SignalRHostStateSet(), new SignalRHostState[] { host });
host = x.ChangedEntities[0].UpdatedItem;
}
DateTime dt = DateTime.UtcNow.AddHours(-config.TimeWindowInHours);
QueryExpresion qexpr = new QueryExpresion();
qexpr.OrderTks = new List <QToken>(new QToken[] {
new QToken {
TkName = "ID"
},
new QToken {
TkName = "desc"
}
});
qexpr.FilterTks = new List <QToken>(new QToken[] {
new QToken {
TkName = "ApplicationID == \"" + config.App.ID + "\" && ID > " + host.LastMsgId + " && TimeStamp > " + dt.Ticks
}
});
var msgs = msgsvc.QueryDatabaseLimited(cntx, new SignalRMessageSet(), qexpr, config.MaxBacklogMessages).ToArray();
if (msgs.Length > 0)
{
host.LastMsgId = msgs[0].ID;
LastMessageId = (ulong)host.LastMsgId;
IsLastMessageIdChanged = true;
foreach (var e in from d in msgs orderby d.ID ascending select d)
{
OnReceived(0, (ulong)e.ID, ScaleoutMessage.FromBytes(e.MesssageData));
}
}
}
private bool PollMessages(CallContext cntx, ulong lastId)
{
var msgsvc = new SignalRMessageServiceProxy();
DateTime dt = DateTime.UtcNow.AddHours(-config.TimeWindowInHours);
QueryExpresion qexpr = new QueryExpresion();
qexpr.OrderTks = new List<QToken>(new QToken[] {
new QToken { TkName = "ID" },
new QToken { TkName = "desc" }
});
qexpr.FilterTks = new List<QToken>(new QToken[] {
new QToken { TkName = "ApplicationID == \"" + config.App.ID + "\" && ID > " + lastId + " && TimeStamp > " + dt.Ticks }
});
var msgs = msgsvc.QueryDatabaseLimited(cntx, new SignalRMessageSet(), qexpr, config.MaxBacklogMessages).ToArray();
if (msgs.Length > 0)
{
LastMessageId = (ulong)msgs[0].ID;
IsLastMessageIdChanged = true;
foreach (var e in from d in msgs orderby d.ID ascending select d)
{
var smsg = ScaleoutMessage.FromBytes(e.MesssageData);
forwardMessage((ulong)e.ID, smsg);
}
}
return msgs.Length > 0;
}