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//******************************************************************************************************//  Program.cs - Gbtc////  Copyright © 2020, Grid Protection Alliance.  All Rights Reserved.////  Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See//  the NOTICE file distributed with this work for additional information regarding copyright ownership.//  The GPA licenses this file to you under the MIT License (MIT), the "License"; you may//  not use this file except in compliance with the License. You may obtain a copy of the License at:////      http://www.opensource.org/licenses/MIT////  Unless agreed to in writing, the subject software distributed under the License is distributed on an//  "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the//  License for the specific language governing permissions and limitations.////  Code Modification History://  ----------------------------------------------------------------------------------------------------//  05/13/2020 - C. Lackner//       Generated original version of source code.////****************************************************************************************************** using System;using System.Collections.Generic;using System.Data;using System.Text;using System.Timers;using GSF;using GSF.Configuration;using GSF.IO;using GSF.TimeSeries;using GSF.TimeSeries.Transport;using Random = GSF.Security.Cryptography.Random; namespace GEPLoadTest{    class Program    {        // Define subscription modes for testing                static readonly UnsynchronizedSubscriptionInfo unsynchronizedInfo = new UnsynchronizedSubscriptionInfo(false);         static readonly DataSubscriber subscriber = new DataSubscriber();        static long dataCount;        static readonly object displayLock = new object();         static int nSubscribed = 0;         static void Main(string[] args)        {            // Attach to subscriber events            subscriber.StatusMessage += subscriber_StatusMessage;            subscriber.ProcessException += subscriber_ProcessException;            subscriber.ConnectionEstablished += subscriber_ConnectionEstablished;            subscriber.ConnectionTerminated += subscriber_ConnectionTerminated;            subscriber.NewMeasurements += subscriber_NewMeasurements;            subscriber.MetaDataReceived += subscriber_MetaDataReceived;             nSubscribed = 0;              // Initialize subscriber            //subscriber.ConnectionString = "server=tcp://127.0.0.1:9898; useZeroMQChannel=true";             // Access needed settings from specified categories in configuration file            CategorizedSettingsElementCollection reportSettings = ConfigurationFile.Current.Settings["systemSettings"];            reportSettings.Add("server", "localhost:6165", "Server and Port to Load Test");            string server = reportSettings["server"].ValueAs("PPA");             subscriber.ConnectionString = $"server={server}";            subscriber.OperationalModes |= OperationalModes.UseCommonSerializationFormat | OperationalModes.CompressMetadata | OperationalModes.CompressSignalIndexCache | OperationalModes.CompressPayloadData;            //subscriber.CompressionModes = CompressionModes.TSSC | CompressionModes.GZip;            subscriber.Initialize();             // Start subscriber connection cycle            subscriber.Start();             Console.ReadLine();             subscriber.Unsubscribe();             subscriber.StatusMessage -= subscriber_StatusMessage;            subscriber.ProcessException -= subscriber_ProcessException;            subscriber.ConnectionEstablished -= subscriber_ConnectionEstablished;            subscriber.ConnectionTerminated -= subscriber_ConnectionTerminated;            subscriber.NewMeasurements -= subscriber_NewMeasurements;          }         static void subscriber_MetaDataReceived(object sender, EventArgs<System.Data.DataSet> e)        {            DataSet dataSet = e.Argument;            dataSet.WriteXml(FilePath.GetAbsolutePath("Metadata.xml"), XmlWriteMode.WriteSchema);            Console.WriteLine("Data set serialized with {0} tables...", dataSet.Tables.Count);            DataTable measurementTbl = e.Argument.Tables["MeasurementDetail"];            int nMeas = measurementTbl.Rows.Count;             if (nMeas != nSubscribed)            {                StringBuilder connectionString = new StringBuilder();                 // Define connection string                foreach (DataRow row in measurementTbl.Rows)                {                    connectionString.AppendFormat("{0};", row["ID"]);                }                                 Console.WriteLine("Attempt to Subscribe to {0} Points", nMeas);                unsynchronizedInfo.FilterExpression = connectionString.ToString();                subscriber.UnsynchronizedSubscribe(unsynchronizedInfo);                nSubscribed = nMeas;            }                       }         static void subscriber_NewMeasurements(object sender, EventArgs<ICollection<IMeasurement>> e)        {            // Check to see if total number of added points will exceed process interval used to show periodic            // messages of how many points have been archived so far...            int interval = 30*nSubscribed;             bool showMessage = dataCount + e.Argument.Count >= (dataCount / interval + 1) * interval;             dataCount += e.Argument.Count;             if (showMessage)            {                lock (displayLock)                {                    Console.WriteLine(string.Format("{0:N0} measurements have been processed so far...", dataCount));                }                           }        }         static void subscriber_ConnectionEstablished(object sender, EventArgs e)        {             subscriber.SendServerCommand(ServerCommand.MetaDataRefresh);         }         static void subscriber_ConnectionTerminated(object sender, EventArgs e)        {            subscriber.Start();             lock (displayLock)            {                Console.WriteLine("Connection to publisher was terminated, restarting connection cycle...");            }        }         static void subscriber_ProcessException(object sender, EventArgs<Exception> e)        {            lock (displayLock)            {                Console.ForegroundColor = ConsoleColor.Red;                Console.WriteLine("EXCEPTION: " + e.Argument.Message);                Console.ResetColor();            }        }         static void subscriber_StatusMessage(object sender, EventArgs<string> e)        {            lock (displayLock)            {                Console.WriteLine(e.Argument);            }        }    }}

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