private void SendMessageThread(object obj)
{
CancellationToken ct = (CancellationToken)obj;
IList <Message> msgs;
var cntx = Cntx;
var set = new SignalRMessageSet();
var msgsvc = new SignalRMessageServiceProxy();
while (!ct.IsCancellationRequested)
{
msgs = MessageQueue.Take(ct);
if (msgs != null && !ct.IsCancellationRequested)
{
SignalRMessage entity = new SignalRMessage
{
ApplicationID = config.App.ID,
TimeStamp = DateTime.UtcNow.Ticks,
MesssageData = (new ScaleoutMessage(msgs)).ToBytes()
};
try
{
msgsvc.AddOrUpdateEntities(cntx, set, new SignalRMessage[] { entity });
lastSent = DateTime.Now;
}
catch
{
}
}
}
}
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 void Initialize()
{
Initialized = false;
var cntx = Cntx;
var msgsvc = new SignalRMessageServiceProxy();
ProcOldMessages(cntx, msgsvc);
string url = config.BackPlaneUrl;
if (string.IsNullOrEmpty(url))
{
url = msgsvc.Endpoint.Address.Uri.ToString();
url = url.Substring(0, url.IndexOf("/Services"));
}
var hubConn = new HubConnection(url);
var hubProxy = hubConn.CreateHubProxy("NotificationHub");
hubConn.Start().Wait();
hubProxy.Invoke("JoinGroup", EntitySetType.SignalRMessage.ToString()).Wait();
hubProxy.On <dynamic>("entityChanged", (dmsg) => ProcMessage(cntx, dmsg));
MessageQueue = new BlockingCollection <IList <Message> >(new ConcurrentQueue <IList <Message> >(), config.MaxQueueLength);
Task.Factory.StartNew(SendMessageThread);
Initialized = true;
}
private void SendMessageThread()
{
IList<Message> msgs;
var cntx = Cntx;
var set = new SignalRMessageSet();
var msgsvc = new SignalRMessageServiceProxy();
while (!CancelSendOperation.IsCancellationRequested)
{
msgs = MessageQueue.Take(CancelSendOperation);
if (msgs != null && !CancelSendOperation.IsCancellationRequested)
{
SignalRMessage entity = new SignalRMessage
{
ApplicationID = config.App.ID,
TimeStamp = DateTime.UtcNow.Ticks,
MesssageData = (new ScaleoutMessage(msgs)).ToBytes()
};
try
{
msgsvc.AddOrUpdateEntities(cntx, set, new SignalRMessage[] { entity });
lastSent = DateTime.Now;
}
catch
{
}
}
}
}
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;
}
