private static void Main(string[] args)
{
var q = new QCallbackConnection((args.Length >= 1) ? args[0] : "localhost",
(args.Length >= 2) ? int.Parse(args[1]) : 5000);
try
{
q.DataReceived += OnData;
q.ErrorOccured += OnError;
q.Open();
Console.WriteLine("conn: " + q + " protocol: " + q.ProtocolVersion);
Console.WriteLine("Press <ENTER> to close application");
q.Sync("sub:{[x] .sub.h: .z.w }");
q.Sync(".z.ts:{ (neg .sub.h) .z.p}");
q.Sync("value \"\\\\t 100\"");
q.StartListener();
q.Async("sub", 0);
Console.ReadLine();
q.Sync("value \"\\\\t 0\"");
q.StopListener();
}
catch (Exception e)
{
Console.Error.WriteLine("Error occured: " + e);
Console.ReadLine();
}
finally
{
q.Close();
}
}
private void subscribeBtn_Click(object sender, EventArgs e)
{
if (q == null)
{
var conn = qhostTB.Text.Split(':');
q = new QCallbackConnection(conn.Length >= 1 ? conn[0] : "localhost",
conn.Length >= 2 ? int.Parse(conn[1]) : 5010);
try
{
q.Open();
var model = (QTable)((object[])q.Sync(".u.sub", qtableTB.Text, ""))[1];
data.Columns.Clear();
foreach (var column in model.Columns)
{
data.Columns.Add(column);
}
q.DataReceived += OnData;
}
catch (Exception e1)
{
Console.Error.WriteLine(e1);
Console.ReadLine();
q.Close();
}
}
q.StartListener();
}
static void Main(string[] args)
{
QCallbackConnection q = new QCallbackConnection(host: (args.Length >= 1) ? args[0] : "localhost",
port: (args.Length >= 2) ? Int32.Parse(args[1]) : 17010);
try
{
q.DataReceived += OnData;
q.ErrorOccured += OnError;
q.Open();
Console.WriteLine("conn: " + q + " protocol: " + q.ProtocolVersion);
Console.WriteLine("Press <ENTER> to close application");
Object response = q.Sync(".u.sub", "trade", ""); // subscribe to tick
QTable model = (QTable)((Object[])response)[1]; // get table model
q.StartListener();
Console.ReadLine();
q.StopListener();
}
catch (Exception e)
{
Console.Error.WriteLine("Error occured: " + e);
Console.ReadLine();
}
finally
{
q.Close();
}
}
private static void Main(string[] args)
{
var q = new QCallbackConnection((args.Length >= 1) ? args[0] : "localhost",
(args.Length >= 2) ? int.Parse(args[1]) : 17010);
try
{
q.DataReceived += OnData;
q.ErrorOccured += OnError;
q.Open();
Console.WriteLine("conn: " + q + " protocol: " + q.ProtocolVersion);
Console.WriteLine("Press <ENTER> to close application");
var response = q.Sync(".u.sub", "trade", ""); // subscribe to tick
var model = (QTable)((object[])response)[1]; // get table model
q.StartListener();
Console.ReadLine();
q.StopListener();
}
catch (Exception e)
{
Console.Error.WriteLine("Error occured: " + e);
Console.ReadLine();
}
finally
{
q.Close();
}
}
static void Main(string[] args)
{
QCallbackConnection q = new QCallbackConnection(host: (args.Length >= 1) ? args[0] : "localhost",
port: (args.Length >= 2) ? Int32.Parse(args[1]) : 5000);
try
{
q.DataReceived += OnData;
q.ErrorOccured += OnError;
q.Open();
Console.WriteLine("conn: " + q + " protocol: " + q.ProtocolVersion);
Console.WriteLine("Press <ENTER> to close application");
q.Sync("sub:{[x] .sub.h: .z.w }");
q.Sync(".z.ts:{ (neg .sub.h) .z.p}");
q.Sync("value \"\\\\t 100\"");
q.StartListener();
q.Async("sub", 0);
Console.ReadLine();
q.Sync("value \"\\\\t 0\"");
q.StopListener();
}
catch (Exception e)
{
Console.Error.WriteLine("Error occured: " + e);
Console.ReadLine();
}
finally
{
q.Close();
}
}
private static void Main(string[] args)
{
var q = new QCallbackConnection((args.Length >= 1) ? args[0] : "localhost",
(args.Length >= 2) ? int.Parse(args[1]) : 5000);
try
{
q.DataReceived += OnData;
q.Open();
Console.WriteLine("conn: " + q + " protocol: " + q.ProtocolVersion);
Console.WriteLine("Press <ENTER> to close application");
// definition of asynchronous multiply function
// queryid - unique identifier of function call - used to identify
// the result
// a, b - actual parameters to the query
q.Sync("asynchMult:{[queryid;a;b] res:a*b; (neg .z.w)(`queryid`result!(queryid;res)) }");
q.StartListener();
var gen = new Random();
// send asynchronous queries
for (var i = 0; i < 10; i++)
{
int a = gen.Next(20), b = gen.Next(20);
Console.WriteLine("Asynchronous call with queryid=" + i + " with arguments= " + a + ", " + b);
q.Async("asynchMult", i, a, b);
}
Thread.Sleep(2000);
Console.ReadLine();
q.Sync("value \"\\\\t 0\"");
q.StopListener();
}
catch (Exception e)
{
Console.Error.WriteLine(e);
Console.ReadLine();
}
finally
{
q.Close();
}
}
static void Main(string[] args)
{
QCallbackConnection q = new QCallbackConnection(host: (args.Length >= 1) ? args[0] : "localhost",
port: (args.Length >= 2) ? Int32.Parse(args[1]) : 5000);
try
{
q.DataReceived += OnData;
q.Open();
Console.WriteLine("conn: " + q + " protocol: " + q.ProtocolVersion);
Console.WriteLine("Press <ENTER> to close application");
// definition of asynchronous multiply function
// queryid - unique identifier of function call - used to identify
// the result
// a, b - actual parameters to the query
q.Sync("asynchMult:{[queryid;a;b] res:a*b; (neg .z.w)(`queryid`result!(queryid;res)) }");
q.StartListener();
Random gen = new Random();
// send asynchronous queries
for (int i = 0; i < 10; i++)
{
int a = gen.Next(20), b = gen.Next(20);
Console.WriteLine("Asynchronous call with queryid=" + i + " with arguments= " + a + ", " + b);
q.Async("asynchMult", i, a, b);
}
Thread.Sleep(2000);
Console.ReadLine();
q.Sync("value \"\\\\t 0\"");
q.StopListener();
}
catch (Exception e)
{
Console.Error.WriteLine(e);
Console.ReadLine();
}
finally
{
q.Close();
}
}
private void subscribeBtn_Click(object sender, EventArgs e)
{
if (q == null)
{
var conn = qhostTB.Text.Split(':');
q = new QCallbackConnection(conn.Length >= 1 ? conn[0] : "localhost",
conn.Length >= 2 ? int.Parse(conn[1]) : 5010);
try
{
q.Open();
var model = (QTable) ((object[]) q.Sync(".u.sub", qtableTB.Text, ""))[1];
data.Columns.Clear();
foreach (var column in model.Columns)
{
data.Columns.Add(column);
}
q.DataReceived += OnData;
}
catch (Exception e1)
{
Console.Error.WriteLine(e1);
Console.ReadLine();
q.Close();
}
}
q.StartListener();
}
// 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 = Int32.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);
}