public static void Truncate()
{
try {
var ExpiredRows = DateTime.Now.Date.AddDays(-1 * RetentionMaxDays);
var DeleteCount = MessageQueueDB.DeleteWhere(m => m.Created < ExpiredRows && m.Processed != null);
if (DeleteCount > 0)
{
SessionLog.RecordTraceValue("Truncating Message Queue Rows", DeleteCount.ToString());
}
} catch (Exception ex) {
ReportQueueException(ex);
}
}
public static void Push(object Message)
{
try {
SessionLog.StartPerformance("Push");
Truncate();
var msg = new MessageQueueRow();
msg.MessageType = Message.GetType().Name;
msg.IsClientIncomming = false;
msg.Created = DateTime.Now;
msg.Message = Serialize(Message);
MessageQueueDB.Insert(msg);
StartPump();
} catch (Exception ex) {
ReportQueueException(ex);
}
}
private static void Pump(Platform.NetworkConnectionType connectionType)
{
try {
if (connectionType == Platform.NetworkConnectionType.None)
{
return;
}
if (InHere)
{
PumpAgain = true;
SessionLog.RecordTrace("Attempting to pump while already pumping");
return;
}
InHere = true;
PumpAgain = false;
var messages = new List <Message> ();
var infomessages = new List <String> ();
int totallength = 0;
foreach (var item in MessageQueueDB.SelectWhere(m => m.Processed == null))
{
var msg = new Message()
{
Key = item.Id.ToString(),
MessageType = item.MessageType,
Body = item.Message
};
if (totallength + msg.Body.Length > TotalMessageSizeLimit)
{
if (messages.Count == 0)
{
messages.Add(msg);
infomessages.Add("Msg " + msg.Key + " truncated from " + msg.Body.Length.ToString());
msg.Body = msg.Body.Substring(0, TotalMessageSizeLimit);
}
PumpAgain = true;
break;
}
else
{
messages.Add(msg);
totallength += msg.Body.Length;
#if ANDROID
try {
// 3/25/15: no more retry for large messages
// trying this for Android first, if successfull we may as well apply to WinPhone
if (msg.Body.Length > LargeMessage)
{
item.Processed = DateTime.Now;
MessageQueueDB.Update(item);
}
} catch (Exception ex) {
ReportQueueException(ex);
}
#endif
}
}
if (messages.Count > 0)
{
foreach (var info in infomessages)
{
messages.Add(new Message()
{
Key = "0", MessageType = "Info", Body = info
});
}
var svc = Services.NewServiceClient();
svc.PushCompleted += (x, y) => {
InHere = false;
// mark committed messages as processed in the database
if (y.Error != null)
{
ReportQueueException(y.Error);
}
else
{
if (y.Result != null)
{
try {
foreach (var result in y.Result)
{
int i;
if (result.Key.Length > 8)
{
ParseLongResult(result.Key);
}
else if (int.TryParse(result.Key, out i) && i > 0)
{
foreach (var m in MessageQueueDB.SelectWhere(m => m.Id == i))
{
m.Processed = DateTime.Now;
MessageQueueDB.Update(m);
}
}
}
} catch (Exception ex) {
LittleWatson.ReportException(ex);
}
}
}
InHere = false;
if (PumpAgain)
{
StartPump();
}
else
{
SessionLog.EndPerformance("Push");
}
};
var upd = AppStats.Current.CultureSettingsLastUpdated.ToString("yyyy/MM/dd");
svc.PushAsync(AppStats.Current.AppInstance, AppStats.Current.Culture, AppStats.Current.Version + "?" + upd, messages);
return;
}
} catch (Exception ex) {
ReportQueueException(ex);
}
InHere = false;
return;
}