private async Task ProcessBacklog()
{
while (true)
{
if (_disposed)
{
return;
}
try
{
if (!IsConnected)
{
await TryConnectAsync(CancellationToken.None).ConfigureAwait(false);
}
var backlogItems = _backlog.DequeueAll();
// Items cancelled will be taken care of by the CancellationToken.Register in the SendOrQueue method
var validItems = backlogItems.Where(item => !item.CancellationToken.IsCancellationRequested)
.ToList();
var pipelinedCommand = validItems
.Select(backlogItem => backlogItem.RedisCommand).ToList()
.ToPipelinedCommand();
try
{
await Write(pipelinedCommand);
foreach (var backlogItem in validItems)
{
await backlogItem.SetResult();
}
}
catch (Exception e)
{
foreach (var validItem in validItems)
{
validItem.SetException(e);
}
DisposeNetwork();
}
}
catch
{
DisposeNetwork();
}
}
}
protected IEnumerator <object> SendTask()
{
var sleep = new Sleep(SendInterval);
Dictionary <string, object> prefs = new Dictionary <string, object>();
yield return(Preferences.GetAll().Bind(() => prefs));
List <string> allItems = new List <string>();
var oldQueue = Queue;
Queue = new BlockingQueue <string>();
if (oldQueue != null)
{
Queue.EnqueueMultiple(oldQueue.DequeueAll());
}
while (true)
{
var nextItem = Queue.Dequeue();
using (nextItem)
yield return(nextItem);
yield return(sleep);
allItems.Clear();
allItems.Add(nextItem.Result);
allItems.AddRange(Queue.DequeueAll());
yield return(new Start(
Send(prefs, allItems.ToArray()), TaskExecutionPolicy.RunAsBackgroundTask
));
}
}
protected IEnumerator<object> SendTask()
{
var sleep = new Sleep(SendInterval);
Dictionary<string, object> prefs = new Dictionary<string, object>();
yield return Preferences.GetAll().Bind(() => prefs);
List<string> allItems = new List<string>();
var oldQueue = Queue;
Queue = new BlockingQueue<string>();
if (oldQueue != null)
Queue.EnqueueMultiple(oldQueue.DequeueAll());
while (true) {
var nextItem = Queue.Dequeue();
using (nextItem)
yield return nextItem;
yield return sleep;
allItems.Clear();
allItems.Add(nextItem.Result);
allItems.AddRange(Queue.DequeueAll());
yield return new Start(
Send(prefs, allItems.ToArray()), TaskExecutionPolicy.RunAsBackgroundTask
);
}
}