public void Disconnect()
{
var disconnect = new StompMessage(StompFrame.DISCONNECT);
_socket.Send(_serializer.Serialize(disconnect));
_socket.Close();
}
public void SendMessage(string destination, string json, Action <bool> completed = null)
{
var broad = new StompMessage("SEND", json);
broad["content-type"] = "application/json";
broad["destination"] = destination;
broad.Headers.Add("Authorization", _properties.AuthToken);
_socket.SendAsync(_serializer.Serialize(broad), completed);
}
public void UnSubscribe(string id)
{
var unsub = new StompMessage(StompFrame.UNSUBSCRIBE);
unsub["id"] = id;
_socket.SendAsync(_serializer.Serialize(unsub), completed =>
{
if (!completed)
{
Dispatcher.CurrentDispatcher
.Invoke(() => MessageBox.Show($"Failed to unsubscribe! Id: {id}"));
}
});
}
public void Subscribe(string id, string destination, Action <StompMessage> messageHandler)
{
var sub = new StompMessage(StompFrame.SUBSCRIBE);
sub["id"] = id;
sub["destination"] = $"/topic/{destination}";
_socket.SendAsync(_serializer.Serialize(sub), completed =>
{
if (completed)
{
_messageHandlers.Remove(id);
_messageHandlers.Add(id, messageHandler);
}
else
{
Dispatcher.CurrentDispatcher
.Invoke(() => MessageBox.Show($"Socket subscription failed! id: {id}"));
}
});
}
/// <summary>
/// Serializes the specified message.
/// </summary>
/// <param name = "message">The message.</param>
/// <returns>A serialized version of the given <see cref="StompMessage"/></returns>
public string Serialize(StompMessage message)
{
var buffer = new StringBuilder();
buffer.Append(message.Command + "\n");
if (message.Headers != null)
{
foreach (var header in message.Headers)
{
buffer.Append(header.Key + ":" + header.Value + "\n");
}
}
buffer.Append("\n");
buffer.Append(message.Body);
buffer.Append('\0');
return(buffer.ToString());
}
private void InitializeWebSocket()
{
_socket = new WebSocket(_properties.WebSocketEndpointUrl);
_socket.OnMessage += (sender, args) =>
{
var msg = _serializer.Deserialize(args.Data);
if (msg.Command == StompFrame.MESSAGE)
{
var id = msg.Headers["subscription"];
_messageHandlers[id]?.Invoke(msg);
}
};
_socket.OnError += (sender, args) =>
{
Dispatcher.CurrentDispatcher.Invoke(() => { MessageBox.Show(args.Message); });
};
_socket.Connect();
var connect = new StompMessage(StompFrame.CONNECT);
connect["accept-version"] = "1.2";
connect["host"] = "";
// connect.Headers.Add("Authorization", _properties.AuthToken);
_socket.Send(_serializer.Serialize(connect));
}
