/// <summary>
/// Process an individual request.
/// </summary>
/// <param name="context">The context.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
public async Task Invoke(HttpContext context)
{
if (context.Request.Headers[Constants.ACCEPT_HTTP_HEADER] == Constants.SSE_CONTENT_TYPE)
{
DisableResponseBuffering(context);
HandleContentEncoding(context);
await context.Response.AcceptSse();
ServerSentEventsClient client = new ServerSentEventsClient(Guid.NewGuid(), context.User, context.Response);
if (_serverSentEventsService.ReconnectInterval.HasValue)
{
await client.ChangeReconnectIntervalAsync(_serverSentEventsService.ReconnectInterval.Value);
}
string lastEventId = context.Request.Headers[Constants.LAST_EVENT_ID_HTTP_HEADER];
if (!String.IsNullOrWhiteSpace(lastEventId))
{
await _serverSentEventsService.OnReconnectAsync(client, lastEventId);
}
_serverSentEventsService.AddClient(client);
await context.RequestAborted.WaitAsync();
_serverSentEventsService.RemoveClient(client);
}
else
{
await _next(context);
}
}
