/// <summary>
/// Show new message on the scene
/// </summary>
/// <param name="message">Message data</param>
public void Show(MessageData message)
{
if (message is null)
{
throw new ArgumentNullException("message");
}
OnMessagePushed?.Invoke(message);
}
public void PushMesage(string message, string topicName = "")
{
var ea = new MessagePushingEventArgs(message, topicName);
OnMessagePushing?.Invoke(this, ea);
if (ea.Cancel)
{
return;
}
List <string> itemsToRemove = new List <string>();
if (string.IsNullOrWhiteSpace(topicName))
{
foreach (var session in _sessions)
{
try
{
if (session.Key != session.Value.Connection.Id)
{
Debugger.Break();
}
session.Value.Response.WriteAsync($"data: {message}\n\n");
session.Value.Response.Body.Flush();
}
catch (ObjectDisposedException)
{
itemsToRemove.Add(session.Key);
}
}
}
else
{
if (_topics.TryGetValue(topicName, out ConcurrentDictionary <string, HttpContext> followers))
{
List <string> itemsToRemovex = new List <string>();
foreach (var follower in followers)
{
try
{
follower.Value.Response.WriteAsync($"data: {message}\n\n");
follower.Value.Response.Body.Flush();
}
catch (ObjectDisposedException)
{
itemsToRemove.Add(follower.Value.Connection.Id);
itemsToRemovex.Add(follower.Key);
}
}
itemsToRemove.ForEach(ids =>
{
followers.Remove(ids, out HttpContext context);
});
}
}
itemsToRemove.ForEach(ids =>
{
_sessions.Remove(ids, out HttpContext context);
if (context != null)
{
context.Abort();
}
});
OnMessagePushed?.Invoke(this, new MessagePushedEventArgs(message, topicName));
}