private async Task OnTransferAsync(TcpClient tcpClient, StateObject tcpState) { await Task.Yield(); using (var networkStream = tcpClient.GetStream()) { var buffer = new byte[8192]; // Receiving and deserialized the serializable object var byteCount = await networkStream.ReadAsync(buffer, 0, buffer.Length); if (byteCount > 0) { ServerSb.Append(Encoding.UTF8.GetString(buffer, 0, byteCount)); var StringMsg = ServerSb.ToString(); if (StringMsg.IndexOf("</TcpMsg>") > -1) { var xmlSerializer = new XmlSerializer(typeof(ServerClientMsg)); var ReceivedMsgObject = new ServerClientMsg(); using (var textReader = new StringReader(StringMsg)) { ReceivedMsgObject = (ServerClientMsg)xmlSerializer.Deserialize(textReader); } // Clear string builder since we are done with it ServerSb.Clear(); var MsgObjectToReturn = new ServerClientMsg(); // If this thread is for the server if (tcpState.ClientType == false) { MsgObjectToReturn = ServerCreateRly(ReceivedMsgObject); } // If this thread if for the client else { // Now that we have the serializable object, we need to switch through all the commands switch (ReceivedMsgObject.Command) { // Data request command case (int)ServerClientMsg.Commands.DataRq: byte[] file; string hash = string.Empty; //Console.WriteLine("Client Server: received data request for file: {0} segment: {1}", ReceivedMsgObject.NameOfFile,ReceivedMsgObject.SegmentOfFile); string filepath = tcpState.TempFolderPath + @"/" + Path.GetFileNameWithoutExtension(ReceivedMsgObject.NameOfFile); filepath += "_temp" + ReceivedMsgObject.SegmentOfFile + Path.GetExtension(ReceivedMsgObject.NameOfFile); //Console.WriteLine("Client Server: Retreiving file: {0}", filepath); // See if the client's server actually has the file or not if (File.Exists(filepath)) { file = File.ReadAllBytes(filepath); } else { //Console.WriteLine("Client Server could not find the file {0}", filepath); file = new byte[2]; } // Retrieveing the hash to send back with the data segment foreach (var pair in tcpState.FileDict) { if (pair.Key == ReceivedMsgObject.NameOfFile) { ObjectForFiledict obj = pair.Value; hash = obj.Hash; //Console.WriteLine("Client Server: Hash = {0}", hash); break; } } MsgObjectToReturn.DataRly(hash, ReceivedMsgObject.SegmentOfFile, file); break; default: Console.WriteLine("Invalid command to the client server"); break; } } // At this point, the serializable object should be popululated with the proper command and info StringBuilder SerializedSb = new StringBuilder(); using (var stringWriter = new StringWriter()) { xmlSerializer.Serialize(stringWriter, MsgObjectToReturn); SerializedSb.Append(stringWriter.ToString()); } var serializedString = SerializedSb.ToString(); var MsgToSend = Encoding.UTF8.GetBytes(serializedString); // Sending the serializable response back await networkStream.WriteAsync(MsgToSend, 0, MsgToSend.Length); //Console.WriteLine("[Server] Response has been given"); } } } }
private async Task OnTransferAsync(TcpClient tcpClient, StateObject tcpState) { await Task.Yield(); using (var networkStream = tcpClient.GetStream()) { var buffer = new byte[8192]; var byteCount = await networkStream.ReadAsync(buffer, 0, buffer.Length); if (byteCount > 0) { ServerSb.Append(Encoding.UTF8.GetString(buffer, 0, byteCount)); var StringMsg = ServerSb.ToString(); if (StringMsg.IndexOf("</TcpMsg>") > -1) { var xmlSerializer = new XmlSerializer(typeof(ServerClientMsg)); var ReceivedMsgObject = new ServerClientMsg(); using (var textReader = new StringReader(StringMsg)) { ReceivedMsgObject = (ServerClientMsg)xmlSerializer.Deserialize(textReader); } // Clear string builder since we are done with it ServerSb.Clear(); var MsgObjectToReturn = new ServerClientMsg(); // If this thread if for the server if (tcpState.ClientType == false) { MsgObjectToReturn = ServerCreateRly(ReceivedMsgObject); } // If this thread if for the client else { Console.WriteLine("client Server received {0} command", ReceivedMsgObject.Command); switch (ReceivedMsgObject.Command) { case (int)ServerClientMsg.Commands.DataRq: string file = string.Empty; string hash = string.Empty; Console.WriteLine("ClientServer received the data request"); foreach (var pair in tcpState.FileDict) { if (pair.Key == ReceivedMsgObject.NameOfFile) { ObjectForFiledict resultObj = pair.Value; file = resultObj.Segments[ReceivedMsgObject.SegmentOfFile]; hash = resultObj.Hash; if (!file.Any() || String.IsNullOrEmpty(hash)) { Console.WriteLine("string or hash is empty"); } } } Console.WriteLine("ClientServer is sending string: {0} \nWith a hash of: {1}", file, hash); MsgObjectToReturn.DataRly(hash, ReceivedMsgObject.SegmentOfFile, file); break; default: Console.WriteLine("Invalid command to the client server"); break; } } StringBuilder SerializedSb = new StringBuilder(); using (var stringWriter = new StringWriter()) { xmlSerializer.Serialize(stringWriter, MsgObjectToReturn); SerializedSb.Append(stringWriter.ToString()); } var serializedString = SerializedSb.ToString(); var MsgToSend = Encoding.UTF8.GetBytes(serializedString); await networkStream.WriteAsync(MsgToSend, 0, MsgToSend.Length); //Console.WriteLine("[Server] Response has been given"); } } } }
private async Task OnTransferAsync(TcpClient tcpClient, StateObject tcpState) { await Task.Yield(); using (var networkStream = tcpClient.GetStream()) { var buffer = new byte[8192]; var byteCount = await networkStream.ReadAsync(buffer, 0, buffer.Length); if (byteCount > 0) { ServerSb.Append(Encoding.UTF8.GetString(buffer, 0, byteCount)); var StringMsg = ServerSb.ToString(); if (StringMsg.IndexOf("</TcpMsg>") > -1) { var xmlSerializer = new XmlSerializer(typeof(ServerClientMsg)); var ReceivedMsgObject = new ServerClientMsg(); using (var textReader = new StringReader(StringMsg)) { ReceivedMsgObject = (ServerClientMsg)xmlSerializer.Deserialize(textReader); } // Clear string builder since we are done with it ServerSb.Clear(); var MsgObjectToReturn = new ServerClientMsg(); // If this thread if for the server if (tcpState.ClientType == false) { MsgObjectToReturn = ServerCreateRly(ReceivedMsgObject); } // If this thread if for the client else { Console.WriteLine("client Server received {0} command", ReceivedMsgObject.Command); switch (ReceivedMsgObject.Command) { case (int)ServerClientMsg.Commands.DataRq: string file = string.Empty; string hash = string.Empty; Console.WriteLine("ClientServer received the data request"); foreach (var pair in tcpState.FileDict) { if (pair.Key == ReceivedMsgObject.NameOfFile) { ObjectForFiledict resultObj = pair.Value; file = resultObj.Segments[ReceivedMsgObject.SegmentOfFile]; hash = resultObj.Hash; if (!file.Any() || String.IsNullOrEmpty(hash)) { Console.WriteLine("string or hash is empty"); } } } Console.WriteLine("ClientServer is sending string: {0} \nWith a hash of: {1}", file, hash); MsgObjectToReturn.DataRly(hash, ReceivedMsgObject.SegmentOfFile, file); break; default: Console.WriteLine("Invalid command to the client server"); break; } } StringBuilder SerializedSb = new StringBuilder(); using (var stringWriter = new StringWriter()) { xmlSerializer.Serialize(stringWriter, MsgObjectToReturn); SerializedSb.Append(stringWriter.ToString()); } var serializedString = SerializedSb.ToString(); var MsgToSend = Encoding.UTF8.GetBytes(serializedString); await networkStream.WriteAsync(MsgToSend, 0, MsgToSend.Length); //Console.WriteLine("[Server] Response has been given"); } } } }
private async Task OnTransferAsync(TcpClient tcpClient, StateObject tcpState) { await Task.Yield(); using (var networkStream = tcpClient.GetStream()) { var buffer = new byte[8192]; // Receiving and deserialized the serializable object var byteCount = await networkStream.ReadAsync(buffer, 0, buffer.Length); if (byteCount > 0) { ServerSb.Append(Encoding.UTF8.GetString(buffer, 0, byteCount)); var StringMsg = ServerSb.ToString(); if (StringMsg.IndexOf("</TcpMsg>") > -1) { var xmlSerializer = new XmlSerializer(typeof(ServerClientMsg)); var ReceivedMsgObject = new ServerClientMsg(); using (var textReader = new StringReader(StringMsg)) { ReceivedMsgObject = (ServerClientMsg)xmlSerializer.Deserialize(textReader); } // Clear string builder since we are done with it ServerSb.Clear(); var MsgObjectToReturn = new ServerClientMsg(); // If this thread is for the server if (tcpState.ClientType == false) { MsgObjectToReturn = ServerCreateRly(ReceivedMsgObject); } // If this thread if for the client else { // Now that we have the serializable object, we need to switch through all the commands switch (ReceivedMsgObject.Command) { // Data request command case (int)ServerClientMsg.Commands.DataRq: byte[] file; string hash = string.Empty; //Console.WriteLine("Client Server: received data request for file: {0} segment: {1}", ReceivedMsgObject.NameOfFile,ReceivedMsgObject.SegmentOfFile); string filepath = tcpState.TempFolderPath + @"/" + Path.GetFileNameWithoutExtension(ReceivedMsgObject.NameOfFile); filepath += "_temp" + ReceivedMsgObject.SegmentOfFile + Path.GetExtension(ReceivedMsgObject.NameOfFile); //Console.WriteLine("Client Server: Retreiving file: {0}", filepath); // See if the client's server actually has the file or not if (File.Exists(filepath)) { file = File.ReadAllBytes(filepath); } else { //Console.WriteLine("Client Server could not find the file {0}", filepath); file = new byte[2]; } // Retrieveing the hash to send back with the data segment foreach (var pair in tcpState.FileDict) { if(pair.Key == ReceivedMsgObject.NameOfFile) { ObjectForFiledict obj = pair.Value; hash = obj.Hash; //Console.WriteLine("Client Server: Hash = {0}", hash); break; } } MsgObjectToReturn.DataRly(hash, ReceivedMsgObject.SegmentOfFile, file); break; default: Console.WriteLine("Invalid command to the client server"); break; } } // At this point, the serializable object should be popululated with the proper command and info StringBuilder SerializedSb = new StringBuilder(); using (var stringWriter = new StringWriter()) { xmlSerializer.Serialize(stringWriter, MsgObjectToReturn); SerializedSb.Append(stringWriter.ToString()); } var serializedString = SerializedSb.ToString(); var MsgToSend = Encoding.UTF8.GetBytes(serializedString); // Sending the serializable response back await networkStream.WriteAsync(MsgToSend, 0, MsgToSend.Length); //Console.WriteLine("[Server] Response has been given"); } } } }