/// <summary>
/// Initializes a new instance of the <see cref="file_client"/> class.
/// </summary>
/// <param name='args'>
/// The command-line arguments. First ip-adress of the server. Second the filename
/// </param>
private file_client(string[] args)
{
// TO DO Your own code
TcpClient clientSocket = new TcpClient();
Console.WriteLine(" >> Client connecting");
clientSocket.Connect(args[0], PORT);
NetworkStream serverStream = clientSocket.GetStream();
LIB.writeTextTCP(serverStream, args[1]);
long size = LIB.getFileSizeTCP(serverStream);
if (size != 0)
{
string fileName = LIB.extractFileName(args[1]);
receiveFile(fileName, serverStream, size);
}
else
{
Console.WriteLine(LIB.readTextTCP(serverStream));
}
serverStream.Flush();
clientSocket.Close();
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
IPAddress IP = IPAddress.Parse("10.0.0.1");
var Socket = new TcpListener(IP, PORT);
TcpClient ClientSocket = default(TcpClient);
Socket.Start();
Console.WriteLine("SERVER STARTED");
while (true)
{
Console.WriteLine("Waiting for Client");
ClientSocket = Socket.AcceptTcpClient();
Console.WriteLine("Client accepted");
NetworkStream networkStream = ClientSocket.GetStream();
string filepath = LIB.readTextTCP(networkStream); // modtager fil-sti
long filesize = LIB.check_File_Exists(filepath); // checker fil
if (filesize != 0)
{
Console.WriteLine("Sending file");
LIB.writeTextTCP(networkStream, filesize.ToString()); // sender filesize
sendFile(filepath, filesize, networkStream); // sender fil
Console.WriteLine("File sent!");
}
else
{
LIB.writeTextTCP(networkStream, "Kan ikke finde fil");
}
ClientSocket.Close();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
TcpListener serverSocket = null;
TcpClient clientSocket = null;
try{
//SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, 1);
//TcpListener serverSocket = new TcpListener(PORT);
serverSocket = new TcpListener(IPAddress.Any, PORT);
clientSocket = default(TcpClient);
serverSocket.Start();
while (true)
{
Console.WriteLine(" >> Server Started listening for request");
clientSocket = serverSocket.AcceptTcpClient();
Console.WriteLine($" Forbindelse til {clientSocket.ToString()}");
NetworkStream networkStream = clientSocket.GetStream();
//byte[] bytesFrom = new byte[1000];
Console.WriteLine((int)clientSocket.ReceiveBufferSize);
string dataFromClient = LIB.readTextTCP(networkStream);
dataFromClient = dataFromClient.Substring(0, dataFromClient.IndexOf("$"));
long length = LIB.check_File_Exists(dataFromClient);
Console.WriteLine(" >> Data from client - " + dataFromClient);
string serverResponse = length.ToString();
if (length < 1)
{
serverResponse = "Filen kunne ikke lokaliseres";
}
LIB.writeTextTCP(networkStream, serverResponse);
Console.WriteLine(" >> " + serverResponse);
if (length > 0)
{
sendFile(dataFromClient, length, networkStream);
}
}
}
catch (SocketException e)
{
Console.WriteLine("SocketException: {0}", e);
}
finally
{
// Stop listening for new clients.
clientSocket.Close();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
String clientData = null;
IPAddress localAddress = IPAddress.Any;
TcpListener serverSocket = new TcpListener(localAddress, PORT);
serverSocket.Start();
while (true)
{
try
{
Console.WriteLine("Waiting for connection...");
TcpClient client = serverSocket.AcceptTcpClient();
Console.WriteLine("Client connected!");
NetworkStream stream = client.GetStream();
Console.WriteLine("Stream created.");
clientData = LIB.readTextTCP(stream);
Console.WriteLine("Read data from client.");
String requestedFile = LIB.extractFileName(clientData);
Console.WriteLine("Extracted " + requestedFile + "from client.");
//til filer på vilkårlige placeringer
long FileLength = LIB.check_File_Exists(clientData);
if (FileLength > 0) //tjekker om filen findes på den givne sti
{
Console.WriteLine($"Fuld sti:{clientData}" +
$"\nstørrelse:{FileLength}");
LIB.writeTextTCP(stream, FileLength.ToString()); //sender størrelsen på filen til client
SendFile(clientData, stream);
Console.WriteLine("File sent.");
}
else
{
LIB.writeTextTCP(stream, 0.ToString()); //hvis filen ikke findes skrives der blot 0 til clienten
}
client.GetStream().Close();
Console.WriteLine("Close stream");
client.Close();
Console.WriteLine("Close client");
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
}
private file_server()
{
TcpListener server = null;
try
{
server = new TcpListener(PORT);
server.Start();
TcpClient client = null;
byte[] from = new byte[BUFSIZE];
string fileReq = null;
while (true)
{
Console.WriteLine("Waiting for connection");
client = server.AcceptTcpClient();
Console.WriteLine("Someone connected");
//resetting string for new request.
fileReq = null;
NetworkStream nStream = client.GetStream();
//File request from client
fileReq = LIB.readTextTCP(nStream);
Console.WriteLine("got: {0}", fileReq);
/*Getting filename and then
* Checking if file exist on system, els returns 0.*/
string file = LIB.extractFileName(fileReq);
long file_len = LIB.check_File_Exists(file);
sendLength(file_len, nStream);
if (file_len > 0)
{
//Delay to ensure nStream is ready.
System.Threading.Thread.Sleep(10);
sendFile(file, file_len, nStream);
}
client.Close();
}
}
catch (Exception e)
{
Console.WriteLine("Socket expection: {0}", e);
}
finally
{
server.Stop();
}
}
/// <summary>
/// Receives the file.
/// </summary>
/// <param name='fileName'>
/// File name.
/// </param>
/// <param name='io'>
/// Network stream for reading from the server
/// </param>
private void receiveFile(String fileName, NetworkStream io)
{
LIB.writeTextTCP(io, fileName + "$");
string lenghtString = LIB.readTextTCP(io);
long fileSize;
try
{
fileSize = long.Parse(lenghtString);
}
catch (System.FormatException)
{
Console.WriteLine(lenghtString);
return;
}
if (fileSize < 1)
{
Console.WriteLine("Vi er stødt på en fejl. længden er rapporteret som 0 :(");
return;
}
Console.WriteLine("length= " + lenghtString);
if (File.Exists(fileName))
{
File.Delete(fileName);
}
//https://stackoverflow.com/a/2398471
using (var fileStream = new FileStream(fileName, FileMode.Append, FileAccess.Write, FileShare.None))
using (var bw = new BinaryWriter(fileStream))
{
int i;
for (i = 0; i < fileSize - 1000; i += 1000)
{
byte[] bytearray = new byte[1000];
io.Read(bytearray, 0, 1000);
Console.WriteLine(i.ToString());
bw.Write(bytearray);
Console.WriteLine($"Wrote: {bytearray[900]}\n");
}
byte[] lastChunk = new byte[1000];
io.Read(lastChunk, 0, 1000);
Console.WriteLine(i.ToString());
bw.Write(lastChunk, 0, (int)fileSize % 1000);
Console.WriteLine($"Wrote: {lastChunk[900]}\n");
}
}
/// <summary>
/// The entry point of the program, where the program control starts and ends.
/// </summary>
/// <param name='args'>
/// The command-line arguments.
/// </param>
public static void Main(string[] args)
{
Console.WriteLine("Server starts...");
new file_server();
TcpListener serverSocket = new TcpListener(PORT);
serverSocket.Start();
Console.WriteLine("Server socket started");
while (true)
{
try
{
TcpClient clientSocket = serverSocket.AcceptTcpClient();
Console.WriteLine("Client acceped");
NetworkStream networkStream = clientSocket.GetStream();
Console.WriteLine("Got stream");
string path = LIB.readTextTCP(networkStream);
Console.WriteLine("Path received:" + path);
string fileName = LIB.extractFileName(path);
long fileLength = LIB.check_File_Exists(fileName);
Console.WriteLine(fileName);
if (fileLength == 0) //File not found
{
Console.WriteLine("File length: " + fileLength.ToString());
LIB.writeTextTCP(networkStream, fileLength.ToString());
clientSocket.Close();
}
else // File found
{
Console.WriteLine("File length sent: " + fileLength.ToString());
LIB.writeTextTCP(networkStream, fileLength.ToString());
Thread.Sleep(1);
sendFile(path, fileLength, networkStream);
clientSocket.Close();
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
finally
{
}
}
serverSocket.Stop();
Console.WriteLine(" >> exit");
Console.ReadLine();
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
// Create the local endpoint for the socket and the TCP/IP socket
IPEndPoint endPoint = new IPEndPoint(IPAddress.Any, PORT);
Socket server = new Socket(SocketType.Stream, ProtocolType.Tcp);
// Bind the socket to the local endpoint
try
{
server.Bind(endPoint);
// Listen for connections
server.Listen(10);
while (true)
{
Console.WriteLine("Listening...");
Socket handler = server.Accept();
// Create networkstream and connect it to socket
NetworkStream networkStream = new NetworkStream(handler);
string fileNameAndPath = LIB.readTextTCP(networkStream);
Console.WriteLine("Requested file: " + fileNameAndPath);
long fileSize = LIB.check_File_Exists(fileNameAndPath);
// If file doesnt exist, close the networkstream, shutdown the socket and close it
if (fileSize < 1)
{
Console.WriteLine("File not found!");
LIB.writeTextTCP(networkStream, "-1");
networkStream.Close();
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
else
{
sendFile(fileNameAndPath, fileSize, networkStream);
networkStream.Close();
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
TcpListener serverSocket = new TcpListener(new IPAddress(ipAddress), PORT);
try
{
serverSocket.Start();
while (true)
{
TcpClient newClient = serverSocket.AcceptTcpClient();
Console.WriteLine("Client Accepted...");
// Recieve filename from client
NetworkStream networkStream = newClient.GetStream();
String filename = LIB.readTextTCP(networkStream);
// Check to see if filename exists and notify client
long filesize = LIB.check_File_Exists(filename);
//Console.WriteLine (filesize);
string filesizeascii = filesize.ToString();
LIB.writeTextTCP(networkStream, filesizeascii);
if (filesize != 0)
{
sendFile(filename, filesize, networkStream);
}
newClient.Close();
}
}
catch (ArgumentException e)
{
Console.WriteLine("ArgumentException: " + e.Message);
}
catch (SocketException se)
{
Console.WriteLine("SocketException: " + se.Message);
}
catch (Exception e)
{
Console.WriteLine("Exception: " + e.Message);
}
finally {
serverSocket.Stop();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
// TO DO Your own code
TcpListener serverSocket = new TcpListener(localAddr, PORT);
serverSocket.Start();
while (true)
{
try
{
Console.WriteLine("Waiting for a connection...");
// Accept requests
TcpClient client = serverSocket.AcceptTcpClient();
Console.WriteLine("Connected to client!");
NetworkStream stream = client.GetStream();
string fileName = LIB.readTextTCP(stream);
Console.WriteLine($"Client asks for file: {fileName}");
Console.WriteLine("Cheking if file exists...");
long fileSize = LIB.check_File_Exists(fileName);
if (fileSize > 0)
{
Console.WriteLine($"File exists an has size: {fileSize}");
LIB.writeTextTCP(stream, fileSize.ToString());
sendFile(fileName, fileSize, stream);
}
else
{
Console.WriteLine("File does not exist");
LIB.writeTextTCP(stream, fileSize.ToString());
}
client.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// </summary>
private file_server()
{
// Starts server and accepts a client
Console.WriteLine("Starting server - waiting for client --->");
//Opretter en socket
TcpListener Server_Socket = new TcpListener(IPAddress.Any, PORT);
TcpClient Client_Socket = default(TcpClient);
//Starter serveren og connectecter til client vha Accept funktionen
Server_Socket.Start();
Client_Socket = Server_Socket.AcceptTcpClient();
Console.WriteLine("Connected to client!");
// getter client stream
NetworkStream client = Client_Socket.GetStream();
//Istantiering af filename til at læse og checke om file size eksistere
string File_Name = LIB.readTextTCP(client);
long File_Size = LIB.check_File_Exists(File_Name);
// loop - der tjekker om filen er fundet.
while (File_Size == 0)
{
string msg = "File '" + File_Name + "' not found";
Console.WriteLine(msg);
LIB.writeTextTCP(client, File_Size.ToString());
File_Name = LIB.readTextTCP(client);
File_Size = LIB.check_File_Exists(File_Name);
}
//Udskriver filnavn og størrelsen som er initialiseret
Console.WriteLine("Filename: " + File_Name);
Console.WriteLine("Size: " + File_Size);
//Skriver texten til client stream
LIB.writeTextTCP(client, File_Size.ToString());
sendFile(File_Name, client);
//Lukker programmet
Client_Socket.Close();
Server_Socket.Stop();
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
TcpListener serverSocket = new TcpListener(IPAddress.Any, PORT);
TcpClient clientSocket = default(TcpClient);
serverSocket.Start();
byte[] bytes = new byte[BUFSIZE];
string data;
while (true)
{
clientSocket = serverSocket.AcceptTcpClient();
Console.WriteLine("Accept conn from client");
NetworkStream network = clientSocket.GetStream();
try
{
data = LIB.readTextTCP(network);
Console.WriteLine("{0}", data);
long fileLength = LIB.check_File_Exists(data);
string fileName = LIB.extractFileName(data);
Console.WriteLine("File name: {0}", fileName);
Console.WriteLine("File length: {0}", fileLength);
LIB.writeTextTCP(network, fileLength.ToString());
sendFile(data, fileLength, network);
Console.WriteLine("Closing connection to client...");
Console.WriteLine("Returning to idle.");
clientSocket.GetStream().Close();
clientSocket.Close();
}
catch (FileNotFoundException ex)
{
Console.WriteLine("File not found..!");
throw ex;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
// TO DO Your own code
IPAddress ipAddress = IPAddress.Parse("10.0.0.1");
TcpListener serverSocket = new TcpListener(ipAddress, PORT);
TcpClient clientSocket = default(TcpClient);
serverSocket.Start();
Console.WriteLine(" >> Server Started");
while (true)
{
try
{
clientSocket = serverSocket.AcceptTcpClient();
Console.WriteLine(" >> Accept connection from client");
NetworkStream networkStream = clientSocket.GetStream();
Console.WriteLine(" >> Filename requested from client!");
string fileName = LIB.readTextTCP(networkStream);
Console.WriteLine($" >> Filename from client: {fileName}");
Console.WriteLine(" >> Filesize requested from client!");
long fileSize = LIB.check_File_Exists(fileName);
Console.WriteLine($" >> Filesize from server: {fileSize}");
LIB.writeTextTCP(networkStream, fileSize.ToString());
if (fileSize != 0)
{
Console.WriteLine(" >> Sending file...");
sendFile(fileName, fileSize, networkStream);
Console.WriteLine(" >> File sent!");
}
else
{
LIB.writeTextTCP(networkStream, "File not found");
Console.WriteLine(" >> Oops, file not found");
}
networkStream.Flush();
clientSocket.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{ //initialiser variabler
string filePath = string.Empty;
long fileSizeLong = 0;
string fileSizeStr = string.Empty;
TcpListener ServerSocket = new TcpListener(PORT);
TcpClient ClientSocket = default(TcpClient);
ServerSocket.Start();
Console.WriteLine("Server started");
ClientSocket = ServerSocket.AcceptTcpClient();
Console.WriteLine("Accepted connection");
NetworkStream networkStream = ClientSocket.GetStream();
filePath = LIB.readTextTCP(networkStream);
Console.WriteLine("The client wants " + filePath);
//Gets file size, and checks whether it exists
fileSizeLong = LIB.check_File_Exists(filePath);
fileSizeStr = fileSizeLong.ToString(); //converts it to string
LIB.writeTextTCP(networkStream, fileSizeStr); // sending the size of the file to client
while (fileSizeLong == 0)
{
Console.WriteLine("Error, file does not exist");
filePath = LIB.readTextTCP(networkStream);
Console.WriteLine(filePath);
//Gets file size, and checks whether it exists
fileSizeLong = LIB.check_File_Exists(filePath);
fileSizeStr = fileSizeLong.ToString();
LIB.writeTextTCP(networkStream, fileSizeStr);
}
Console.WriteLine("The size of the file is {0} bytes", fileSizeLong);
sendFile(filePath, fileSizeLong, networkStream); //kalder sendFile funktionen
ClientSocket.Close();
ServerSocket.Stop();
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
// TO DO Your own code
TcpListener serverSocket = new TcpListener(IPAddress.Any, PORT);
serverSocket.Start();
Console.WriteLine("Server started");
while (true)
{
try
{
TcpClient clientSocket = serverSocket.AcceptTcpClient();
Console.WriteLine("Accept connection from client");
NetworkStream networkStream = clientSocket.GetStream();
string fileName = LIB.readTextTCP(networkStream);
long fileSize = LIB.check_File_Exists(fileName);
if (fileSize == 0)
{
Console.WriteLine("File does not exist");
}
else
{
LIB.writeTextTCP(networkStream, fileSize.ToString());
sendFile(fileName, fileSize, networkStream);
Console.WriteLine("File send");
}
clientSocket.Close();
networkStream.Close();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
TcpListener serverSocket = new TcpListener(PORT);
TcpClient clientSocket = default(TcpClient);
serverSocket.Start();
while (running)
{
requestCount++;
string returnText = LIB.readTextTCP(clientSocket.GetStream());
long fileSize = LIB.check_File_Exists(returnText);
if (fileSize != 0)
{
LIB.writeTextTCP(clientSocket.GetStream(), fileSize.ToString());
}
}
serverSocket.Stop();
clientSocket.Close();
}
/// <summary>
/// Initializes a new instance of the <see cref="file_client"/> class.
/// </summary>
/// <param name='args'>
/// The command-line arguments. First ip-adress of the server. Second the filename
/// </param>
private file_client(string[] args)
{
ClientSocket.Connect(args[0], PORT);
NetworkStream io = ClientSocket.GetStream();
LIB.writeTextTCP(io, args[1]); // Sender fil-sti
filesize = LIB.readTextTCP(io); // Modtager filesize
if (filesize == "Kan ikke finde fil")
{
Console.WriteLine("File not Found ");
}
else
{
Console.WriteLine("Receiving file");
receiveFile(LIB.extractFileName(args[1]), io);
Console.WriteLine("File received");
Console.WriteLine($"Filessize is: {filesize}");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
TcpListener serverSocket = new TcpListener(new IPEndPoint(IPAddress.Any, PORT));
TcpClient clientSocket = default(TcpClient);
serverSocket.Start();
Console.WriteLine(" >> Server Started");
while (true)
{
try
{
clientSocket = serverSocket.AcceptTcpClient();
NetworkStream networkStream = clientSocket.GetStream();
string dataFromClient = LIB.readTextTCP(networkStream);
Console.WriteLine(" >> Data from client - " + dataFromClient);
if (LIB.check_File_Exists(dataFromClient) != 0)
{
FileInfo fileInfo = new FileInfo(dataFromClient);
long fileSize = fileInfo.Length;
LIB.writeTextTCP(networkStream, fileSize.ToString());
sendFile(dataFromClient, fileSize, networkStream);
}
else
{
LIB.writeTextTCP(networkStream, "" + 0);
}
networkStream.Flush();
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
clientSocket.Close();
serverSocket.Stop();
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet
/// </summary>
private file_server()
{
// Starts server and accepts a client
Console.WriteLine("Listening for client ..");
TcpListener serverSocket = new TcpListener(IPAddress.Any, PORT);
TcpClient clientSocket = default(TcpClient);
serverSocket.Start();
clientSocket = serverSocket.AcceptTcpClient();
Console.WriteLine("Accepted connection from client");
// Get the network file stream
NetworkStream clientStream = clientSocket.GetStream();
string filename = LIB.readTextTCP(clientStream);
long fileSize = LIB.check_File_Exists(filename);
while (fileSize == 0)
{
string errorMsg = "File '" + filename + "' not found";
Console.WriteLine(errorMsg);
LIB.writeTextTCP(clientStream, fileSize.ToString());
filename = LIB.readTextTCP(clientStream);
fileSize = LIB.check_File_Exists(filename);
}
Console.WriteLine("Filename: " + filename);
Console.WriteLine("Size: " + fileSize);
LIB.writeTextTCP(clientStream, fileSize.ToString());
sendFile(filename, clientStream);
clientSocket.Close();
serverSocket.Stop();
}
private file_server()
{
Socket ourSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
ourSocket.Bind(new IPEndPoint(IPAddress.Any, PORT));
while (true)
{
ourSocket.Listen(0);
Socket acceptSocket = ourSocket.Accept();
Console.WriteLine("Someone connected!");
NetworkStream myNetworkStream = new NetworkStream(acceptSocket);
string ReceivedFilePath = LIB.readTextTCP(myNetworkStream);
long fileSize = LIB.check_File_Exists(ReceivedFilePath);
Console.WriteLine($"Received file path: {ReceivedFilePath}");
Console.WriteLine($"Filesize: {fileSize} bytes");
if (fileSize == 0)
{
Console.WriteLine("Could not find file.");
LIB.writeTextTCP(myNetworkStream, "Error: Could not find file.");
}
else
{
sendFile(ReceivedFilePath, fileSize, myNetworkStream);
}
acceptSocket.Close();
}
//ourSocket.Close();
}
/// <summary>
/// Initializes a new instance of the <see cref="file_server"/> class.
/// Opretter en socket.
/// Venter på en connect fra en klient.
/// Modtager filnavn
/// Finder filstørrelsen
/// Kalder metoden sendFile
/// Lukker socketen og programmet... IKKE
/// </summary>
private file_server()
{
String dataDir = "/root/ServerData/";
var serverSocket = new TcpListener(IPAddress.Any, PORT); //Listens on PORT
var clientSocket = default(TcpClient);
serverSocket.Start();
Console.WriteLine("Server started");
clientSocket = serverSocket.AcceptTcpClient();
Console.WriteLine("Accept connection from client");
var networkStream = clientSocket.GetStream(); //Open a stream
String fileName;
long fileSize;
do
{
Console.WriteLine("Reading filename");
fileName = LIB.readTextTCP(networkStream);
Console.WriteLine("Filename: " + fileName);
fileSize = LIB.check_File_Exists(dataDir + fileName);
Console.WriteLine("Filepath: " + dataDir + fileName);
Console.WriteLine("Filesize: " + fileSize);
LIB.writeTextTCP(networkStream, fileSize.ToString("0"));
} while (fileSize == 0);
sendFile(dataDir + fileName, fileSize, networkStream);
//Cleaning
clientSocket.Close();
serverSocket.Stop();
Console.WriteLine("Exit");
}
private file_server()
{
var localAddress = IPAddress.Parse("0.0.0.0");
Console.WriteLine("CHOOSE IP ADDRESS FOR THE SERVER...");
Console.WriteLine("1. Default Local Host IP (127.0.0.1)");
Console.WriteLine("2. Default Remote Host IP (10.0.0.1)");
Console.WriteLine("3. Enter Custom IP Address.\n");
Console.Write("Your choice: ");
var choice = int.Parse(Console.ReadLine());
switch (choice)
{
case 1:
localAddress = IPAddress.Parse("127.0.0.1");
Console.WriteLine("Server IP address is now: 127.0.0.1\n");
break;
case 2:
localAddress = IPAddress.Parse("10.0.0.1");
Console.WriteLine("Server IP address is now: 10.0.0.1\n");
break;
case 3:
Console.Write("Type custom IP address here: ");
while (!IPAddress.TryParse(Console.ReadLine(), out localAddress))
{
Console.WriteLine("Invalid IP address, please try again.\n");
Console.Write("Type custom IP address here: ");
}
Console.WriteLine("Server IP Address is now: " + localAddress);
break;
}
try
{
var server = new TcpListener(localAddress, PORT);
while (true)
{
server.Start();
Console.WriteLine("Server: Started!");
Console.WriteLine("Server: Waiting for new connection...");
var client = server.AcceptTcpClient();
Console.WriteLine("Server: Client connected!");
// Modtager besked fra Client:
var stream = client.GetStream();
// Reads data from the client and prints it to console:
var fileName = LIB.readTextTCP(stream);
Console.WriteLine($"Stream received: {fileName}");
// Checks to see if file exists and returns its size:
var fileSize = LIB.check_File_Exists(fileName);
LIB.writeTextTCP(stream, fileSize.ToString());
if (fileSize != 0)
{
SendFile(fileName, fileSize, stream);
}
else
{
Console.WriteLine("File doesn't exist!");
}
client.Close();
server.Stop();
}
}
catch (SocketException e)
{
Console.WriteLine($"Socket exception: {e}");
Console.ReadKey();
// Does server.Stop() run? Or does this potentially create memory leak???
}
}
