private async Task <bool> SendDataOrHeartbeatToWebSocket(Task <WebSocketReceiveResult> receive, WebSocket webSocket, LiveIndexingPerformanceCollector collector, MemoryStream ms, int timeToWait)
{
if (receive.IsCompleted || webSocket.State != WebSocketState.Open)
{
return(false);
}
var tuple = await collector.Stats.TryDequeueAsync(TimeSpan.FromMilliseconds(timeToWait));
if (tuple.Item1 == false)
{
await webSocket.SendAsync(WebSocketHelper.Heartbeat, WebSocketMessageType.Text, true, Database.DatabaseShutdown);
return(true);
}
ms.SetLength(0);
using (ContextPool.AllocateOperationContext(out JsonOperationContext context))
using (var writer = new BlittableJsonTextWriter(context, ms))
{
writer.WritePerformanceStats(context, tuple.Item2);
}
ms.TryGetBuffer(out ArraySegment <byte> bytes);
await webSocket.SendAsync(bytes, WebSocketMessageType.Text, true, Database.DatabaseShutdown);
return(true);
}
public Task Performance()
{
var stats = GetIndexesToReportOn()
.Select(x => new IndexPerformanceStats
{
Name = x.Name,
Performance = x.GetIndexingPerformance()
})
.ToArray();
using (Database.DocumentsStorage.ContextPool.AllocateOperationContext(out JsonOperationContext context))
using (var writer = new BlittableJsonTextWriter(context, ResponseBodyStream()))
{
writer.WritePerformanceStats(context, stats);
}
return(Task.CompletedTask);
}