public int recvFile(string path)
{
try
{
string fileName;
//invio +ok al server
// sockClipBoard.Send(msg);
// Console.WriteLine("Ho ricevuto F allora mando +ok mandato");
//ricevo il nome del file
sockClipBoard.Receive(clientData);
// Console.WriteLine("ClientData: " + Encoding.ASCII.GetString(clientData));
int fileNameLen = BitConverter.ToInt32(clientData, 0);
fileName = Encoding.ASCII.GetString(clientData, 4, fileNameLen);
//ricevo la dimensione
long dim = BitConverter.ToInt64(clientData, fileNameLen + 4);
// byte[] msg2 = Encoding.ASCII.GetBytes("+OK" + fileName);
//Console.WriteLine("Ho ricevuto correttamente i dati del file");
// Console.WriteLine("ClientData: " + Encoding.ASCII.GetString(clientData));
//invio +ok al server
sockClipBoard.Send(msg);
// Console.WriteLine("+ok mandato");
// Console.WriteLine("++++++++++++++ " + fileName);
BinaryWriter bWrite = new BinaryWriter(File.Open(path + fileName, FileMode.Append));
int ricevuti = 0;
bool errorefile = false;
long dimBar = dim;
Form2 form2 = new Form2();
//
Thread backgroundThread = new Thread(
new ThreadStart(() =>
{
form2.SetBar(100);
// Iterate from 0 - 99
// On each iteration, pause the thread for .05 seconds, then update the dialog's progress bar
try
{
while (dim > 0 && !errorefile)
{
if (sockClipBoard.Poll(3000000, SelectMode.SelectRead))
{
byteRead = sockClipBoard.Receive(clientData);
ricevuti = ricevuti + byteRead;
string response = Encoding.ASCII.GetString(clientData, 0, byteRead);
if (response == "-ERR\r\n")//il server mi manda -ERR quando durante un trasferimento file
// io cambio file da mettere nella clip
{
bWrite.Close();
// Close the dialog if it hasn't been already
if (form2.InvokeRequired)
{
form2.BeginInvoke(new Action(() => { form2.showdialogset(true); form2.Close(); form2.showdialogset(false); }));
}
errorefile = true;
return;
}
// Console.WriteLine(dimBar);
// Console.WriteLine((float)((100 * byteRead) /dimBar));
form2.UpdateProgress(byteRead, (int)dimBar, fileName);
bWrite.Write(clientData, 0, byteRead);
dim = dim - byteRead;
}
else
{
bWrite.Close();
// Close the dialog if it hasn't been already
if (form2.InvokeRequired)
{
form2.BeginInvoke(new Action(() => { form2.showdialogset(true); form2.Close(); form2.showdialogset(false); }));
}
errorefile = true;
return;
}
}
bWrite.Close();
if (form2.InvokeRequired)
{
form2.BeginInvoke(new Action(() => { form2.showdialogset(true); form2.Close(); form2.showdialogset(false); }));
}
}
catch (Exception ex)
{
bWrite.Close();
// Close the dialog if it hasn't been already
if (form2.InvokeRequired)
{
form2.BeginInvoke(new Action(() => { form2.showdialogset(true); form2.Close(); form2.showdialogset(false); }));
}
errorefile = true;
server.terminatecurrentsocket = true;
return;
}
// Console.WriteLine("File Ricevuto!");
// Reset the flag that indicates if a process is currently running
}
));
// Start the background process thread
backgroundThread.Start();
if (form2.ShowDialog() == DialogResult.OK)
{
formClip.getcurrentsockinvio().Send(Encoding.ASCII.GetBytes("-ERR\r\n"));
errorefile = true;
}
backgroundThread.Join();
if (errorefile == true)
{
errorefile = false;
return(-1);
}
if (path == @"C:\local\")
{
//Console.WriteLine("Sono nell if");
listFileName.Add(path + fileName);
}
sockClipBoard.Send(msg);
return(1);
}
catch (Exception ex)
{
Console.WriteLine("errore nella ricezione");
return(-1);
}
}
public int SendFile(string namefile)
{
try{
byte[] msg = new byte[1024];
byte[] buffer = new byte[1024 * 1024];
byte[] conferma = new byte[1024];
FileInfo f = new FileInfo(namefile);
// Console.WriteLine("ho trovato un file di dimensione" + f.Length);
nomefile = f.Name;
dim = f.Length;
if (dim > (100 * 1024 * 1024))
{
DialogResult result = MessageBox.Show("You try to copy or cut a big file bigger than 100 MB , are you sure? the operation may take a long time", "Warning",
MessageBoxButtons.OKCancel, MessageBoxIcon.Asterisk);
if (result == DialogResult.Cancel)
{
return(-2);
}
}
msg = Encoding.ASCII.GetBytes("F");
clipsocket.Send(msg);
byte[] fileNameByte = Encoding.ASCII.GetBytes(this.nomefile);
byte[] fileNameLen = BitConverter.GetBytes(fileNameByte.Length);
byte[] filedim = BitConverter.GetBytes(this.dim);
// Console.WriteLine("sto creando le informazioni da mandare al client");
byte[] clientData = new byte[4 + fileNameByte.Length + filedim.Length];
fileNameLen.CopyTo(clientData, 0);
fileNameByte.CopyTo(clientData, 4);
filedim.CopyTo(clientData, 4 + fileNameByte.Length);
clipsocket.Send(clientData);
clipsocket.Receive(conferma);
string confermastringa = Encoding.ASCII.GetString(conferma);
if (confermastringa.IndexOf("+OK") > -1)
{
// Console.WriteLine(" inizio lo stream del file");
FileStream fileStream = new FileStream(namefile, FileMode.Open, FileAccess.Read);
int length = (int)fileStream.Length; // get file length
// create buffer
int count;
double d; // actual number of bytes read
long sum = dim; // total number of bytes read
// Thread.Sleep(100);
// io questo coso non è che lo abbia tanto capito.
if (dim > (1024 * 1024))
{
d = (((double)dim) / (double)(1024 * 1024));
}
else
{
d = 1;
}
/************************************ ISTANZIO LA FORM PER LA SEND DEL FILE *****************/
// questa inzialmente era fatta allocando un altro thread che si occupava di aggiornare la
// barra. Da rivedere è l'utilizzo della percentuale. Da mettere Lato client. Ma al ricevitore?
Form2 form2 = new Form2();
//
err = false;
erroreTrasferimento = false;
backgroundThread = new Thread(
new ThreadStart(() =>
{
try
{
while (((count = fileStream.Read(buffer, 0, 1024 * 1024)) > 0) && !err)
{
// form2.SetBar((int)sum);
clipsocket.Send(buffer, count, SocketFlags.None);
dim = dim - count;
// Console.WriteLine(dim);
long count2 = count;
form2.UpdateProgress(count, (int)sum, nomefile);
/*** aggiorno la progress bar***/
}
fileStream.Close();
// Close the dialog if it hasn't been already
if (form2.InvokeRequired)
{
form2.BeginInvoke(new Action(() => { form2.showdialogset(true); form2.Close(); form2.showdialogset(false); }));
}
Console.WriteLine("sto ammazzando il thread().");
//clipsocket.Send(Encoding.ASCII.GetBytes("-ERR\r\n"));
// Reset the flag that indicates if a process is currently running
}
catch (SocketException ex)
{
erroreTrasferimento = true;
// fileStream.Close();
if (form2.InvokeRequired)
{
form2.BeginInvoke(new Action(() => { form2.showdialogset(true); form2.Close(); form2.showdialogset(false); }));
}
if (clipsocket != null)
{
clipsocket.Close();
}
Console.WriteLine("sto ammazzando il thread().");
fileStream.Close();
return;
}
catch (Exception ex)
{
erroreTrasferimento = true;
// fileStream.Close();
if (form2.InvokeRequired)
{
form2.BeginInvoke(new Action(() => { form2.Close(); }));
}
Console.WriteLine("errore");
Console.WriteLine(ex.ToString() + ex.Message);
}
}
));
// Start the background process thread
backgroundThread.Start();
// form2.ShowDialog();
// qui sto curando il caso in cui chiudo la finestra del trasferimento.
// backgroundThread.Join();
if (form2.ShowDialog() == DialogResult.OK)
{
err = true;
return(-1);
}
backgroundThread.Join();
if (erroreTrasferimento)
{
err = true;
return(-1);
}
}
return(1);
}catch (IOException ex) {
MessageBox.Show("Devi selezionare prima un file");
return(-1);
}
}
