static void Main(string[] args) { Util.verbose = false; Server srvr = new Server(); srvr.ProcessCommandLine(args); Console.Title = "Server: " + srvr.port.ToString(); Console.Write(String.Format("\n Starting CommService server listening on port {0}", srvr.port)); Console.Write("\n ====================================================\n"); Sender sndr = new Sender(Util.makeUrl(srvr.address, srvr.port)); //Sender sndr = new Sender(); Receiver rcvr = new Receiver(srvr.port, srvr.address); // - serviceAction defines what the server does with received messages // - This serviceAction just announces incoming messages and echos them // back to the sender. // - Note that demonstrates sender routing works if you run more than // one client. if (rcvr.StartService()) { rcvr.doService(doserviceAction(sndr, rcvr, srvr)); // This serviceAction is asynchronous, } // so the call doesn't block. Util.waitForUser(); }
static void Main(string[] args) { Util.verbose = false; Server srvr = new Server(); srvr.ProcessCommandLine(args); bool log_messages = true; string srv_win = "Server - " + srvr.port; Console.Title = srv_win; Console.Write(String.Format("\n Starting CommService server listening on port {0}", srvr.port)); Console.Write("\n ====================================================\n"); //Console.WriteLine("Going to create a DB and add a single element to it:"); Sender sndr = new Sender(Util.makeUrl(srvr.address, srvr.port)); //Sender sndr = new Sender(); Receiver rcvr = new Receiver(srvr.port, srvr.address); // - serviceAction defines what the server does with received messages // - This serviceAction just announces incoming messages and echos them // back to the sender. // - Note that demonstrates sender routing works if you run more than // one client. Action serviceAction = srvr.define_server_receiveaction(rcvr, sndr, log_messages); if (rcvr.StartService()) { rcvr.doService(serviceAction); // This serviceAction is asynchronous, } // so the call doesn't block. Thread.Sleep(10000); Util.waitForUser(); }
static void Main(string[] args) { Util.verbose = false; Server srvr = new Server(); DBEngine <string, DBElement <string, List <string> > > testDict = new DBEngine <string, DBElement <string, List <string> > >(); srvr.ProcessCommandLine(args); double timeTaken = 0, totalTime = 0, insCount = 0; srvr.printMessage(srvr); Sender sndr = new Sender(Util.makeUrl(srvr.address, srvr.port)); Receiver rcvr = new Receiver(srvr.port, srvr.address); StringBuilder sb = new StringBuilder(); Action serviceAction = () => { Message msg = null; while (true) { HiResTimer hiResTimer = new HiResTimer(); hiResTimer.Start(); msg = rcvr.getMessage(); // note use of non-service method to deQ messages srvr.printMessage(msg); if (msg.content == "connection start message") { continue; // don't send back start message } if (msg.fromUrl == "http://localhost:8080/CommService") { continue; } if (msg.content == "done") { Console.Write("\n client has {0} finished\n", msg.fromUrl); continue; } if (msg.content == "closeServer") { Console.Write("received closeServer"); break; } msg.content = srvr.readOperations(testDict, msg); Util.swapUrls(ref msg); // swap urls for outgoing message #if (TEST_WPFCLIENT) Message testMsg = new Message(); testMsg.toUrl = msg.toUrl; testMsg.fromUrl = msg.fromUrl; testMsg.content = msg.content; sndr.sendMessage(testMsg); hiResTimer.Stop(); double diffTime = hiResTimer.ElapsedTimeSpan.TotalSeconds; totalTime = totalTime + diffTime; timeTaken = totalTime / (++insCount); Console.Title = "Server client handling " + (insCount) + " requests"; srvr.printServerThroughput(timeTaken); sndr.sendServerThroughput((1 / timeTaken)); #else sndr.sendMessage(msg); #endif } }; if (rcvr.StartService()) { rcvr.doService(serviceAction); // This serviceAction is asynchronous, } Util.waitForUser(); // so the call doesn't block. }
/// <summary> /// Mains the specified arguments. /// </summary> /// <param name="args">The arguments.</param> static void Main(string[] args) { DatabaseController dbController = new DatabaseController(); Util.verbose = false; Server srvr = new Server(); srvr.ProcessCommandLine(args); double totalTime = 0; int count = 0; Console.Title = "Server"; Console.Write(String.Format("\n Starting CommService server listening on port {0}", srvr.port)); Console.Write("\n ====================================================\n"); Sender sndr = new Sender(Util.makeUrl(srvr.address, srvr.port)); Receiver rcvr = new Receiver(srvr.port, srvr.address); Action serviceAction = () => { Message msg = null; while (true) { HiResTimer timer = new HiResTimer(); timer.Start(); msg = rcvr.getMessage(); // note use of non-service method to deQ messages srvr.displayReceivedMsg(msg); if (msg.content == "connection start message") { continue; // don't send back start message } if (msg.content == "done") { Console.Write("\n client {0} has finished\n", msg.fromUrl); continue; } if (msg.content == "closeServer") { Console.Write("received closeServer"); break; } if (msg.fromUrl == "http://localhost:8080/CommService") { continue; } var result = dbController.QueryDatabase(msg.content); msg.content = "received " + msg.content + " from " + msg.fromUrl; Util.swapUrls(ref msg); Message testMsg = new Message { content = result, fromUrl = msg.fromUrl, toUrl = msg.toUrl }; srvr.displaySentMsg(msg, result); sndr.sendMessage(testMsg); timer.Stop(); sndr.SendServerThroughput(srvr.calculateThroughput(timer, ref totalTime, ++count)); } }; if (rcvr.StartService()) { rcvr.doService(serviceAction); // so the call doesn't block. } Util.waitForUser(); }
static void Main(string[] args) { Util.verbose = false; Server srvr = new Server(); DBEngine<string, DBElement<string, List<string>>> testDict = new DBEngine<string, DBElement<string, List<string>>>(); srvr.ProcessCommandLine(args); double timeTaken = 0, totalTime = 0, insCount = 0; srvr.printMessage(srvr); Sender sndr = new Sender(Util.makeUrl(srvr.address, srvr.port)); Receiver rcvr = new Receiver(srvr.port, srvr.address); StringBuilder sb = new StringBuilder(); Action serviceAction = () => { Message msg = null; while (true) { HiResTimer hiResTimer = new HiResTimer(); hiResTimer.Start(); msg = rcvr.getMessage(); // note use of non-service method to deQ messages srvr.printMessage(msg); if (msg.content == "connection start message") continue; // don't send back start message if (msg.fromUrl == "http://localhost:8080/CommService") continue; if (msg.content == "done") { Console.Write("\n client has {0} finished\n",msg.fromUrl); continue; } if (msg.content == "closeServer") { Console.Write("received closeServer"); break; } msg.content = srvr.readOperations(testDict, msg); Util.swapUrls(ref msg); // swap urls for outgoing message #if (TEST_WPFCLIENT) Message testMsg = new Message(); testMsg.toUrl = msg.toUrl; testMsg.fromUrl = msg.fromUrl; testMsg.content = msg.content; sndr.sendMessage(testMsg); hiResTimer.Stop(); double diffTime = hiResTimer.ElapsedTimeSpan.TotalSeconds; totalTime = totalTime + diffTime; timeTaken = totalTime / (++insCount); Console.Title = "Server client handling " + (insCount) + " requests"; srvr.printServerThroughput(timeTaken); sndr.sendServerThroughput((1 / timeTaken)); #else sndr.sendMessage(msg); #endif } }; if (rcvr.StartService()) rcvr.doService(serviceAction); // This serviceAction is asynchronous, Util.waitForUser(); // so the call doesn't block. }
//----< Main method. >----- static void Main(string[] args) { Util.verbose = false; Util.verboseApp = true; Server srvr = new Server(); srvr.ProcessCommandLine(args); srvr.preLoadData(); Console.Title = "Server"; Console.Write(String.Format("\n Starting CommService server listening on port {0}", srvr.port)); Console.Write("\n ====================================================\n"); Sender sndr = new Sender(Util.makeUrl(srvr.address, srvr.port)); //Sender sndr = new Sender(); Receiver rcvr = new Receiver(srvr.port, srvr.address); // - serviceAction defines what the server does with received messages // - This serviceAction just announces incoming messages and echos them // back to the sender. // - Note that demonstrates sender routing works if you run more than // one client. Action serviceAction = () => { Message msg = null; HiResTimer hrt = new HiResTimer(); while (true) { msg = rcvr.getMessage(); // note use of non-service method to deQ messages if (Util.verbose) { Console.Write("\n Received message:"); Console.Write("\n sender is {0}", msg.fromUrl); Console.Write("\n content is {0}\n", msg.content); } if (msg.content == "connection start message") { continue; // don't send back start message } if (msg.content == "done") { continue; } if (msg.content == "closeServer") { Console.Write("received closeServer"); break; } try { XDocument xdoc = XDocument.Parse(msg.content); string operationCalled = identifyOperation(xdoc); // swap urls for outgoing message if (operationCalled == "add") { if (Util.verboseApp) { Console.WriteLine("add Operation Called"); } hrt.Start(); msg.content = srvr.processAddMessage(xdoc); hrt.Stop(); Server.numMessages++; Server.totalTime += hrt.ElapsedMicroseconds; Server.avgTime = srvr.getAvgTime(Server.totalTime, Server.numMessages); Util.swapUrls(ref msg); sndr.sendMessage(msg); } else if (operationCalled == "delete") { if (Util.verboseApp) { Console.WriteLine("delete Operation Called"); } hrt.Start(); msg.content = srvr.processDeleteMessage(xdoc); hrt.Stop(); Server.numMessages++; Server.totalTime += hrt.ElapsedMicroseconds; Server.avgTime = srvr.getAvgTime(Server.totalTime, Server.numMessages); Util.swapUrls(ref msg); sndr.sendMessage(msg); } else if (operationCalled == "edit") { if (Util.verboseApp) { Console.WriteLine("Edit Operation Called"); } hrt.Start(); msg.content = srvr.processEditMessage(xdoc); hrt.Stop(); Server.numMessages++; Server.totalTime += hrt.ElapsedMicroseconds; Server.avgTime = srvr.getAvgTime(Server.totalTime, Server.numMessages); Util.swapUrls(ref msg); sndr.sendMessage(msg); } else if (operationCalled == "query1") { if (Util.verboseApp) { Console.WriteLine("query1 Operation Called"); } hrt.Start(); msg.content = srvr.processQuery1Message(xdoc); hrt.Stop(); Server.numMessages++; Server.totalTime += hrt.ElapsedMicroseconds; Server.avgTime = srvr.getAvgTime(Server.totalTime, Server.numMessages); Util.swapUrls(ref msg); sndr.sendMessage(msg); } else if (operationCalled == "query2") { if (Util.verboseApp) { Console.WriteLine("query2 Operation Called"); } hrt.Start(); msg.content = srvr.processQuery2Message(xdoc); hrt.Stop(); Server.numMessages++; Server.totalTime += hrt.ElapsedMicroseconds; Server.avgTime = srvr.getAvgTime(Server.totalTime, Server.numMessages); Util.swapUrls(ref msg); sndr.sendMessage(msg); } else if (operationCalled == "query3") { if (Util.verboseApp) { Console.WriteLine("query3 Operation Called"); } hrt.Start(); msg.content = srvr.processQuery3Message(xdoc); hrt.Stop(); Server.numMessages++; Server.totalTime += hrt.ElapsedMicroseconds; Server.avgTime = srvr.getAvgTime(Server.totalTime, Server.numMessages); Util.swapUrls(ref msg); sndr.sendMessage(msg); } else if (operationCalled == "query4") { if (Util.verboseApp) { Console.WriteLine("query4 Operation Called"); } hrt.Start(); msg.content = srvr.processQuery4Message(xdoc); hrt.Stop(); Server.numMessages++; Server.totalTime += hrt.ElapsedMicroseconds; Server.avgTime = srvr.getAvgTime(Server.totalTime, Server.numMessages); Util.swapUrls(ref msg); sndr.sendMessage(msg); } else if (operationCalled == "query5") { if (Util.verboseApp) { Console.WriteLine("query5 Operation Called"); } hrt.Start(); msg.content = srvr.processQuery5Message(xdoc); hrt.Stop(); Server.numMessages++; Server.totalTime += hrt.ElapsedMicroseconds; Server.avgTime = srvr.getAvgTime(Server.totalTime, Server.numMessages); Util.swapUrls(ref msg); sndr.sendMessage(msg); } else if (operationCalled == "persist") { if (Util.verboseApp) { Console.WriteLine("persist Operation Called"); } hrt.Start(); srvr.persistDatatToFile(); hrt.Stop(); Server.numMessages++; Server.totalTime += hrt.ElapsedMicroseconds; Server.avgTime = srvr.getAvgTime(Server.totalTime, Server.numMessages); Util.swapUrls(ref msg); msg.content = "Persist operation performed."; sndr.sendMessage(msg); } else if (operationCalled == "restore") { if (Util.verboseApp) { Console.WriteLine("Restore Operation Called"); } hrt.Start(); msg.content = srvr.processDataRestoreMessageRequest(); hrt.Stop(); Server.numMessages++; Server.totalTime += hrt.ElapsedMicroseconds; Server.avgTime = srvr.getAvgTime(Server.totalTime, Server.numMessages); Util.swapUrls(ref msg); sndr.sendMessage(msg); continue; } else if (operationCalled == "performance") { if (Util.verboseApp) { Console.WriteLine("performance Operation Called"); } Message msgToWpf1 = new Message(); msgToWpf1.fromUrl = Util.makeUrl(srvr.address, srvr.port); msgToWpf1.toUrl = "http://localhost:8089/CommService"; msgToWpf1.content = srvr.createPerformanceMessageForWPF(xdoc, avgTime.ToString()); sndr.sendMessage(msgToWpf1); continue; } } catch (Exception e) { Console.WriteLine("Catch " + e.StackTrace + "\n"); } #if (TEST_WPFCLIENT) ///////////////////////////////////////////////// // The statements below support testing the // WpfClient as it receives a stream of messages // - for each message received the Server // sends back 1000 messages // int count = 0; for (int i = 0; i < 2; ++i) { Message testMsg = new Message(); testMsg.toUrl = msg.toUrl; testMsg.fromUrl = msg.fromUrl; testMsg.content = String.Format("test message #{0}", ++count); Console.Write("\n sending testMsg: {0}", testMsg.content); sndr.sendMessage(testMsg); } #else ///////////////////////////////////////////////// // Use the statement below for normal operation // sndr.sendMessage(msg); #endif } }; if (rcvr.StartService()) { rcvr.doService(serviceAction); // This serviceAction is asynchronous, } // so the call doesn't block. Util.waitForUser(); }
static void Main(string[] args) { Util.verbose = false; Server srvr = new Server(); srvr.ProcessCommandLine(args); Console.Title = "Server"; Console.Write(String.Format("\n Starting CommService server listening on port {0}", srvr.port)); Console.Write("\n ====================================================\n"); Sender sndr = new Sender(Util.makeUrl(srvr.address, srvr.port)); //Sender sndr = new Sender(); Receiver rcvr = new Receiver(srvr.port, srvr.address); // - serviceAction defines what the server does with received messages // - This serviceAction just announces incoming messages and echos them // back to the sender. // - Note that demonstrates sender routing works if you run more than // one client. Action serviceAction = () => { Message msg = null; while (true) { msg = rcvr.getMessage(); // note use of non-service method to deQ messages Console.Write("\n Received message:"); Console.Write("\n sender is {0}", msg.fromUrl); Console.Write("\n content is {0}\n", msg.content); if (msg.content == "connection start message") { continue; // don't send back start message } if (msg.content == "done") { Console.Write("\n client has finished\n"); continue; } if (msg.content == "closeServer") { Console.Write("received closeServer"); break; } msg.content = "received " + msg.content + " from " + msg.fromUrl; // swap urls for outgoing message Util.swapUrls(ref msg); #if (TEST_WPFCLIENT) ///////////////////////////////////////////////// // The statements below support testing the // WpfClient as it receives a stream of messages // - for each message received the Server // sends back 1000 messages // int count = 0; for (int i = 0; i < 1000; ++i) { Message testMsg = new Message(); testMsg.toUrl = msg.toUrl; testMsg.fromUrl = msg.fromUrl; testMsg.content = String.Format("test message #{0}", ++count); Console.Write("\n sending testMsg: {0}", testMsg.content); sndr.sendMessage(testMsg); } #else ///////////////////////////////////////////////// // Use the statement below for normal operation sndr.sendMessage(msg); #endif } }; if (rcvr.StartService()) { rcvr.doService(serviceAction); // This serviceAction is asynchronous, } // so the call doesn't block. Util.waitForUser(); }
static void Main(string[] args) { Util.verbose = false; Server srvr = new Server(); srvr.ProcessCommandLine(args); Console.Title = "Server"; Console.Write(String.Format("\n Starting CommService server listening on port {0}", srvr.port)); Console.Write("\n ====================================================\n"); Sender sndr = new Sender(Util.makeUrl(srvr.address, srvr.port)); Receiver rcvr = new Receiver(srvr.port, srvr.address); // - serviceAction defines what the server does with received messages // - This serviceAction just announces incoming messages and echos them // back to the sender. // - Note that demonstrates sender routing works if you run more than // one client. Action serviceAction = () => { Message msg = null; while (true) { msg = rcvr.getMessage(); // note use of non-service method to deQ messages Console.Write("\n Received message:"); Console.Write("\n sender is {0}", msg.fromUrl); //Console.Write("\n content is {0}\n", msg.content); if (msg.content == "connection start message") { continue; // don't send back start message } if (msg.content == "done") { Console.Write("\n client has finished\n"); continue; } if (msg.content == "closeServer") { Console.Write("received closeServer"); break; } if (msg.content.Contains("Writer")) { int avg = srvr.Ttime.Sum() / srvr.Ttime.Count(); string lat = string.Join(null, System.Text.RegularExpressions.Regex.Split(msg.content, "[^\\d]")); Message msgToWpf = new Message(); msgToWpf.fromUrl = Util.makeUrl(srvr.address, srvr.port); msgToWpf.toUrl = Util.makeUrl("localhost", "8089"); msgToWpf.content = msg.content + " microseconds for Client: " + msg.fromUrl.ToString(); sndr.sendMessage(msgToWpf); Message msgToWpf1 = new Message(); msgToWpf1.fromUrl = Util.makeUrl(srvr.address, srvr.port); msgToWpf1.toUrl = Util.makeUrl("localhost", "8089"); msgToWpf1.content = "Server ThroughPut(Avg Time) for " + srvr.Ttime.Count().ToString() + " Write Operations = " + avg.ToString() + " microseconds"; sndr.sendMessage(msgToWpf1); continue; } if (msg.content.Contains("Reader")) { int avg1 = srvr.Ttime1.Sum() / srvr.Ttime1.Count(); string lat = string.Join(null, System.Text.RegularExpressions.Regex.Split(msg.content, "[^\\d]")); Message msgToWpf = new Message(); msgToWpf.fromUrl = Util.makeUrl(srvr.address, srvr.port); msgToWpf.toUrl = Util.makeUrl("localhost", "8089"); msgToWpf.content = msg.content + " microseconds for Client: " + msg.fromUrl.ToString(); sndr.sendMessage(msgToWpf); Message msgToWpf1 = new Message(); msgToWpf1.fromUrl = Util.makeUrl(srvr.address, srvr.port); msgToWpf1.toUrl = Util.makeUrl("localhost", "8089"); msgToWpf1.content = "Server ThroughPut(Avg Time) for " + srvr.Ttime1.Count().ToString() + " Read Operations = " + avg1.ToString() + " microseconds"; sndr.sendMessage(msgToWpf1); continue; } try { XDocument xdoc = XDocument.Parse(msg.content); string operationCalled = getOperationType(xdoc); if (operationCalled == "add") { Console.WriteLine("\nAdd Operation Called"); HiResTimer hrt = new HiResTimer(); hrt.Start(); srvr.processAddMsg(xdoc, sndr, msg); hrt.Stop(); srvr.Ttime.Add(Convert.ToInt32(hrt.ElapsedMicroseconds)); } else if (operationCalled == "delete") { Console.WriteLine("\nDelete Operation Called"); HiResTimer hrt = new HiResTimer(); hrt.Start(); srvr.processDelMsg(xdoc, sndr, msg); hrt.Stop(); srvr.Ttime.Add(Convert.ToInt32(hrt.ElapsedMicroseconds)); } else if (operationCalled == "edit") { Console.WriteLine("\nEdit Operation Called"); HiResTimer hrt = new HiResTimer(); hrt.Start(); srvr.processEditMsg(xdoc, sndr, msg); hrt.Stop(); srvr.Ttime.Add(Convert.ToInt32(hrt.ElapsedMicroseconds)); } else if (operationCalled == "query1") { Console.WriteLine("\nQuery1 Operation Called\n"); HiResTimer hrt = new HiResTimer(); hrt.Start(); srvr.processQuery1(xdoc, sndr, msg); hrt.Stop(); srvr.Ttime1.Add(Convert.ToInt32(hrt.ElapsedMicroseconds)); } else if (operationCalled == "query2") { Console.WriteLine("\nQuery2 Operation Called\n"); HiResTimer hrt = new HiResTimer(); hrt.Start(); srvr.processQuery2(xdoc, sndr, msg); hrt.Stop(); srvr.Ttime1.Add(Convert.ToInt32(hrt.ElapsedMicroseconds)); Util.swapUrls(ref msg); msg.content = "-----Query2 operation performed-----"; sndr.sendMessage(msg); } else if (operationCalled == "query3") { Console.WriteLine("\nQuery3 Operation Called\n"); HiResTimer hrt = new HiResTimer(); hrt.Start(); srvr.processQuery3(xdoc, sndr, msg); hrt.Stop(); srvr.Ttime1.Add(Convert.ToInt32(hrt.ElapsedMicroseconds)); Util.swapUrls(ref msg); msg.content = "-----Query3 operation performed-----"; sndr.sendMessage(msg); } else if (operationCalled == "query4") { Console.WriteLine("\nQuery4 Operation Called\n"); HiResTimer hrt = new HiResTimer(); hrt.Start(); srvr.processQuery4(xdoc, sndr, msg); hrt.Stop(); srvr.Ttime1.Add(Convert.ToInt32(hrt.ElapsedMicroseconds)); } else if (operationCalled == "query5") { Console.WriteLine("\nQuery5 Operation Called\n"); HiResTimer hrt = new HiResTimer(); hrt.Start(); srvr.processQuery5(xdoc, sndr, msg); hrt.Stop(); srvr.Ttime1.Add(Convert.ToInt32(hrt.ElapsedMicroseconds)); Util.swapUrls(ref msg); msg.content = "-----Query5 operation performed-----"; sndr.sendMessage(msg); } else if (operationCalled == "persist") { Console.WriteLine("\nPersist Operation Called"); HiResTimer hrt = new HiResTimer(); hrt.Start(); srvr.processPersistMsg(xdoc, sndr, msg); hrt.Stop(); srvr.Ttime.Add(Convert.ToInt32(hrt.ElapsedMicroseconds)); } else if (operationCalled == "augment") { Console.WriteLine("\nAugment Operation Called\n"); HiResTimer hrt = new HiResTimer(); hrt.Start(); srvr.processAugmentedMsg(xdoc, sndr, msg, srvr); hrt.Stop(); srvr.Ttime.Add(Convert.ToInt32(hrt.ElapsedMicroseconds)); } } catch { } #if (TEST_WPFCLIENT) ///////////////////////////////////////////////// // The statements below support testing the // WpfClient as it receives a stream of messages // - for each message received the Server // sends back 1000 messages // int count = 0; for (int i = 0; i < 2; ++i) { Message testMsg = new Message(); testMsg.toUrl = msg.toUrl; testMsg.fromUrl = msg.fromUrl; testMsg.content = String.Format("test message #{0}", ++count); Console.Write("\n sending testMsg: {0}", testMsg.content); sndr.sendMessage(testMsg); } #else ///////////////////////////////////////////////// // Use the statement below for normal operation #endif } }; if (rcvr.StartService()) { rcvr.doService(serviceAction); // This serviceAction is asynchronous, } // so the call doesn't block. Util.waitForUser(); }
static void Main(string[] args) { try { Util.verbose = false; Server srvr = new Server(); srvr.ProcessCommandLine(args); Console.Title = "Server"; Console.Write(String.Format("\nStarting CommService server listening on port {0}", srvr.port)); Console.WriteLine("\nServer Address is {0}", Util.makeUrl(srvr.address, srvr.port)); Console.Write("\n ====================================================\n"); Sender sndr = new Sender(Util.makeUrl(srvr.address, srvr.port)); Receiver rcvr = new Receiver(srvr.port, srvr.address); Action serviceAction = DefineServiceAction(srvr, sndr, rcvr); if (rcvr.StartService()) { rcvr.doService(serviceAction); // This serviceAction is asynchronous, // so the call doesn't block. } Util.waitForUser(); } catch (CustomException ex) { Console.WriteLine("Error occured in Server.cs{0}", ex); } }