internal QListener(QCallbackConnection connection)
{
_connection = connection;
Running = true;
}
// ReSharper disable UnusedMember.Global
public static object RtdOpen([ExcelArgument("Logical identifier for the connection.")] object alias,
// ReSharper restore UnusedMember.Global
[ExcelArgument(
"Hostname, fqdn or ip of the machine running q process to which connection should be established."
)] object hostname,
[ExcelArgument("Port number of the q process.")] object port,
[ExcelArgument("Username")] object username = null,
[ExcelArgument("Password")] object password = null)
{
try
{
if (alias == null || !alias.ToString().Trim().Any())
{
return "Invalid alias";
}
if (hostname == null || !hostname.ToString().Trim().Any())
{
return "Invalid hostname";
}
try
{
port = int.Parse(port.ToString());
}
catch
{
return "Invalid port";
}
var c = GetConnection(alias.ToString());
if (c != null)
{
return alias;
}
var u = username != null && username.GetType() == ExcelMissing.Value.GetType()
? null
: username as string;
var p = password != null && password.GetType() == ExcelMissing.Value.GetType()
? null
: password as string;
try
{
c = new QCallbackConnection(hostname.ToString(), (int) port, u, p);
c.Open();
c.DataReceived += OnUpdate; //assign handler function.
c.StartListener();
Connections[alias.ToString()] = c;
if (WildCardMapping.ContainsKey(alias.ToString()))
{
RtdSubscribeAllTables(alias.ToString());
}
if (Mapping.ContainsKey(alias.ToString()) && !WildCardMapping.ContainsKey(alias.ToString()))
{
RtdSubscribeAll(alias.ToString());
}
}
catch (QException e)
{
return e.Message;
}
}
catch (Exception e)
{
return e.Message;
}
return alias;
}
internal QListener(QCallbackConnection connection)
{
this.connection = connection;
Running = true;
}
