/// <summary>
/// Sends a 'SEND' message
/// </summary>
public static void Send(this IStompClient client, string message, string destination)
{
var stompMsg = new StompMessage("SEND", message);
stompMsg["destination"] = destination;
client.Send(stompMsg);
}
/// <summary>
/// Sends an 'UNSUBSCRIBE' message
/// </summary>
public static void UnSubscribe(this IStompClient client, string destination)
{
var stompMsg = new StompMessage("UNSUBSCRIBE");
stompMsg["destination"] = destination;
client.Send(stompMsg);
}
/// <summary>
/// Sends an 'UNSUBSCRIBE' message
/// </summary>
public static void UnSubscribe(this IStompClient client, string destination)
{
var stompMsg = new StompMessage("UNSUBSCRIBE");
stompMsg["destination"] = destination;
client.Send(stompMsg);
}
/// <summary>
/// Handles the SEND message
/// </summary>
/// <param name="client">The client.</param>
/// <param name="message">The message.</param>
private void OnStompSend(IStompClient client, StompMessage message)
{
var destination = message["destination"];
var queue = _queues.FirstOrDefault(s => s.Address == destination) ?? AddNewQueue(destination);
queue.Publish(message.Body);
}
/// <summary>
/// Sends a 'SEND' message
/// </summary>
public static void Send(this IStompClient client, string message, string destination)
{
var stompMsg = new StompMessage("SEND", message);
stompMsg["destination"] = destination;
client.Send(stompMsg);
}
/// <summary>
/// Handles the SUBSCRIBE message
/// </summary>
/// <param name="client">The client.</param>
/// <param name="message">The message.</param>
private void OnStompSubscribe(IStompClient client, StompMessage message)
{
string destination = message["destination"];
var queue = _queues.FirstOrDefault(s => s.Address == destination) ?? AddNewQueue(destination);
queue.AddClient(client, message["id"]);
}
/// <summary>
/// Handles the CONNECT message
/// </summary>
/// <param name="client">The client.</param>
/// <param name="message">The message.</param>
private static void OnStompConnect(IStompClient client, StompMessage message)
{
var result = new StompMessage("CONNECTED");
result["session-id"] = client.SessionId.ToString();
client.Send(result);
}
private void SendMessage(IStompClient client, string body, Guid messageId, string subscriptionId)
{
Log.Info(string.Format("Sending message to {0}", client.SessionId));
Log.Debug(string.Format("message {0}", body));
var stompMessage = new StompMessage("MESSAGE", body);
stompMessage["message-id"] = messageId.ToString();
stompMessage["destination"] = Address;
if (!string.IsNullOrEmpty(subscriptionId))
{
stompMessage["subscription"] = subscriptionId;
}
client.Send(stompMessage);
}
/// <summary>
/// Handles the UNSUBSCRIBE message
/// </summary>
/// <param name="client">The client.</param>
/// <param name="message">The message.</param>
private void OnStompUnsubscribe(IStompClient client, StompMessage message)
{
string destination = message["destination"];
if (string.IsNullOrEmpty(destination))
{
return;
}
var queue = _queues.FirstOrDefault(q => q.Address == destination);
if (queue == null || queue.Clients.Contains(client) == false)
{
client.Send(new StompMessage("ERROR", "You are not subscribed to queue '" + destination + "'"));
return;
}
queue.RemoveClient(client);
}
/// <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());
}
/// <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();
}
/// <summary>
/// Excutes the action assigned to the message command
/// </summary>
/// <param name = "client"></param>
/// <param name = "message"></param>
private void OnClientMessage(IStompClient client, StompMessage message)
{
if (message == null || message.Command == null)
{
return;
}
if (client.SessionId == Guid.Empty)
{
client.SessionId = Guid.NewGuid();
}
Log.Info(string.Format("Processing command: {0} from client {1}", message.Command, client.SessionId));
if (!_actions.ContainsKey(message.Command))
{
Log.Warn(string.Format("Client {0} sended an unknown command: {1}", client.SessionId, message.Command));
return;
}
if (message.Command != "CONNECT" && client.IsConnected() == false)
{
Log.Info(string.Format("Client {0} was not connected before sending command: {1}", client.SessionId, message.Command));
client.Send(new StompMessage("ERROR", "Please connect before sending '" + message.Command + "'"));
return;
}
_actions[message.Command](client, message);
// when a receipt is request, we send a receipt frame
if (message.Command == "CONNECT" || message["receipt"] == string.Empty)
{
return;
}
var response = new StompMessage("RECEIPT");
response["receipt-id"] = message["receipt"];
client.Send(response);
}
/// <summary>
/// Sends a 'CONNECT' message
/// </summary>
public static void Connect(this IStompClient client)
{
var stompMsg = new StompMessage("CONNECT");
client.Send(stompMsg);
}
/// <summary>
/// Sends a 'CONNECT' message
/// </summary>
public static void Connect(this IStompClient client)
{
var stompMsg = new StompMessage("CONNECT");
client.Send(stompMsg);
}
/// <summary>
/// Handles the DISCONNECT message
/// </summary>
/// <param name="client">The client.</param>
/// <param name="message">The message.</param>
public void OnStompDisconnect(IStompClient client, StompMessage message)
{
var stompQueues = _queues.Where(q => q.Clients.Contains(client)).ToList();
stompQueues.ForEach(q => q.RemoveClient(client));
}
private void SendMessage(IStompClient client, string body, Guid messageId, string subscriptionId)
{
Log.Info(string.Format("Sending message to {0}", client.SessionId));
Log.Debug(string.Format("message {0}", body));
var stompMessage = new StompMessage("MESSAGE", body);
stompMessage["message-id"] = messageId.ToString();
stompMessage["destination"] = Address;
if (!string.IsNullOrEmpty(subscriptionId))
{
stompMessage["subscription"] = subscriptionId;
}
client.Send(stompMessage);
}
