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add request method #1

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add request method #1

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20 changes: 16 additions & 4 deletions NatsClient.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -168,15 +168,27 @@ public void Unsubscribe(int sid)
}
}

public bool Publish(string topic, string message)
public bool Publish(string topic, string message, string reply = "")
{
ThrowIfDisposed();
lock (stateLock)
{
return WhenConnected((conn) => SendPublish(conn, topic, message));
return WhenConnected((conn) => SendPublish(conn, topic, message, reply));
}
}

public int Request(string topic, string message, Action<string, string> handler)
{
ThrowIfDisposed();
string inbox = Guid.NewGuid().ToString("N");
var sid = this.Subscribe(inbox, (msg, reply) =>
{
handler(msg, reply);
});
this.Publish(topic, message, inbox);
return sid;
}

private void BuildConnectMsg(Uri natsUrl)
{
string user = null, pass = null;
Expand Down Expand Up @@ -353,9 +365,9 @@ private void SendUnsubscribe(Connection conn, long sid)
conn.Send("UNSUB " + sid + " 0");
}

private void SendPublish(Connection conn, string topic, string message)
private void SendPublish(Connection conn, string topic, string message, string reply)
{
conn.Send(new string[]{ "PUB " + topic + " " + message.Length, message });
conn.Send(new string[] { "PUB " + topic + " " + reply + " " + message.Length, message });
}

private void Processing()
Expand Down