/// <summary>
/// Creates a Spark.Stock reference for the specified security and exchange.
/// </summary>
/// <param name="exchangeId">Security exchange</param>
/// <param name="exchange">Exchange reference generated by the method</param>
/// <returns>TRUE if Spark was able to create the specified exchange reference, else FALSE</returns>
internal static bool GetSparkExchange(string exchangeId, out Spark.Exchange exchange)
{
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff") + "\t" + "Creating rreference to Spark exchange '" + exchangeId + "'...");
exchange = new Spark.Exchange();
if (!Spark.GetExchange(ref exchange, exchangeId))
{
string error = Spark.DescribeError(Spark.GetLastError());
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff") + "\t" + "Creating rreference to Spark exchange '" + exchangeId + "' failed: " + error);
return(false);
}
else
{
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff") + "\t" + "Creating rreference to Spark exchange '" + exchangeId + "' complete");
return(true);
}
}
/// <summary>
/// Creates a Spark.Stock reference for the specified security and exchange.
/// </summary>
/// <param name="symbol">Security symbol</param>
/// <param name="exchange">Security exchange</param>
/// <param name="stock">Stock reference generated by the method</param>
/// <returns>TRUE if Spark was able to create the specified stock, else FALSE</returns>
internal static bool GetSparkStock(string symbol, string exchange, out Spark.Stock stock)
{
//Get internal spark security symbol
Tuple <string, string> sparkSymbolExchange = ApiFunctions.GetSparkSymbolExchange(symbol, exchange);
//Get reference to stock
string identifier = sparkSymbolExchange.Item1 + "." + sparkSymbolExchange.Item2;
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff") + "\t" + "Initiating event feed for " + identifier);
stock = new Spark.Stock();
if (!Spark.GetStock(ref stock, sparkSymbolExchange.Item1, sparkSymbolExchange.Item2))
{
Console.WriteLine("Can't get {0}: {1}", identifier, Spark.DescribeError(Spark.GetLastError()));
return(false);
}
//Wait to allow Spark API to data access
System.Threading.Thread.Sleep(1000);
return(true);
}
/// <summary>
/// Open connection to Spark API
/// </summary>
/// <returns></returns>
internal bool Connect()
{
bool result = true;
lock (_syncLock)
{
try
{
if (ConnectionStatus == SparkConnectionStatus.Disconnected)
{
//Instance Spark object
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff") + "\t" + "Initiating Spark connection...");
Initialise();
//Connect to Spark server
ApiCredentials credentials = ApiCredentials.LoadFromFile();
if (credentials == null)
{
throw new ApplicationException("Spark API security credentials not available");
}
Spark.SetLogin(credentials.Username, credentials.Password);
if (!Spark.Connect())
{
Debug.WriteLine("Can't connect: {0}", Spark.DescribeError(Spark.GetLastError()));
result = false;
}
Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff") + "\t" + "Spark connection initiated");
//Wait to allow Spark API to data access
System.Threading.Thread.Sleep(1000);
}
}
catch (Exception ex)
{
Debug.WriteLine("ERROR: APIControl - ", ex.Message);
result = false;
}
}
return(result);
}
