/*
*
* Pipe con il TCP_Client
*
*/
//----------------------------------------------------------
private void polling_client_pipe()
{
namedPipe.Connect();
byte[] buffer = new byte[1024];
string buff_string;
string tmp;
string[] substrings;
int max = 0;
string maxStr = "0";
string maxStrPrec = "0";
//-----------------------------------------------------
//OK da TCP_Listener e Hello
//-----------------------------------------------------
namedPipe.Read(buffer, 0, 3);
//-------------------
Array.Clear(buffer, 0, buffer.Length);
//-------------------
buff_string = "Hello\0";
buffer = Encoding.UTF8.GetBytes(buff_string);
namedPipe.Write(buffer, 0, buffer.Length);
//-----------------------------------------------------
//-----------------------------------------------------
Array.Clear(buffer, 0, buffer.Length);
buff_string = "";
//-----------------------------------------------------
//OK da TCP_Server e ACK-OK
//-----------------------------------------------------
namedPipe.Read(buffer, 0, 3);
buff_string = System.Text.Encoding.UTF8.GetString(buffer);
if (buff_string.Contains("X"))
{
//Connessione rifiutata, far apparire il popup
try
{
pbd.BeginInvoke((Action) delegate
{
cr = new ConnectionRejected();
cr.Show();
});
}catch (InvalidOperationException e)
{
}
namedPipe.Close();
return;
}
else
{
/*pbd.BeginInvoke((Action)delegate
* {
* pbd.Show();
* });*/
}
//-------------------
Array.Clear(buffer, 0, buffer.Length);
//-------------------
buff_string = "OK\0";
buffer = Encoding.UTF8.GetBytes(buff_string);
namedPipe.Write(buffer, 0, buffer.Length);
//-----------------------------------------------------
//-----------------------------------------------------
while (true)
{
//-----------------------------------------------------
// ricezione % di trasferimento e ACK-A
//-----------------------------------------------------
byte[] dataBuffer = new byte[5];
namedPipe.Read(dataBuffer, 0, 5);
buff_string = System.Text.Encoding.UTF8.GetString(dataBuffer);
tmp = buff_string.Replace("\0", string.Empty);
substrings = tmp.Split(new string[] { "|" }, StringSplitOptions.None);
foreach (string i in substrings)
{
if (i != "")
{
int x = Int32.Parse(i);
if (x > max)
{
max = x;
maxStr = i;
}
}
}
//Scrittura sulla progress bar l'avanzamento del trasferimento
if (maxStr != maxStrPrec)
{
maxStrPrec = maxStr;
try
{
pbd.Invoke(barraDel, new object[] { maxStr });
}catch (Exception generic)
{
}
}
//-------------------
//Array.Clear(buffer, 0, buffer.Length);
//buff_string = "";
//-------------------
mtx.WaitOne();
if (pbd.is_pipe_closed)
{
buffer = Encoding.UTF8.GetBytes("X\0");
try
{
namedPipe.Write(buffer, 0, buffer.Length);
}
catch (System.IO.IOException)
{
namedPipe.Connect();
namedPipe.Write(buffer, 0, buffer.Length);
}
namedPipe.Close();
pbd.is_pipe_closed = false;
break;
}
else
{
buffer = Encoding.UTF8.GetBytes("K\0");
try
{
namedPipe.Write(buffer, 0, buffer.Length);
}
catch (System.IO.IOException)
{
namedPipe.Connect();
namedPipe.Write(buffer, 0, buffer.Length);
}
}
mtx.ReleaseMutex();
//-----------------------------------------------------
//-----------------------------------------------------
Array.Clear(buffer, 0, buffer.Length);
buff_string = "";
//-----------------------------------------------------
//ACK-B da TCP_Server e ACK-ACK-B
//-----------------------------------------------------
namedPipe.Read(buffer, 0, buffer.Length);
buff_string = System.Text.Encoding.UTF8.GetString(buffer);
if (buff_string.Contains("X"))
{
//visual messaggio di comm killata
pbd.BeginInvoke((Action) delegate
{
cr = new ConnectionRejected();
cr.Show();
});
break;
}
//-------------------
buff_string = "OK\0";
buffer = Encoding.UTF8.GetBytes(buff_string);
namedPipe.Write(buffer, 0, buffer.Length);
//-----------------------------------------------------
//-----------------------------------------------------
//Condizione di terminazione di trasferimento del file
if (maxStr == "100")
{
break;
}
}
namedPipe.Close();
return;
}
/*
*
* Pipe con il TCP_Server
*
*/
//----------------------------------------------------------
private void polling_server_pipe()
{
namedPipe.Connect();
byte[] buffer = new byte[1024];
string buff_string;
string tmp;
string[] substrings;
int max = 0;
string maxStr = "0";
string maxStrPrec = "0";
int ind = 0;
//-----------------------------------------------------
//HELLO Da TCP_Server e OK
//-----------------------------------------------------
namedPipe.Read(buffer, 0, 6);
//-------------------
if (accepted)
{
buff_string = "OK\0";
buffer = Encoding.UTF8.GetBytes(buff_string);
namedPipe.Write(buffer, 0, buffer.Length);
}
else
{
buff_string = "X\0";
buffer = Encoding.UTF8.GetBytes(buff_string);
namedPipe.Write(buffer, 0, buffer.Length);
pbdr.Close();
namedPipe.Close();
return;
}
//-----------------------------------------------------
//-----------------------------------------------------
while (true)
{
ind = 0;
//-----------------------------------------------------
// ricezione % di trasferimento e ACK-%
//-----------------------------------------------------
bool found = false;
byte[] dataBuffer = new byte[5];
while (!found)
{
namedPipe.Read(dataBuffer, 0, 5);
buff_string = System.Text.Encoding.UTF8.GetString(dataBuffer);
if (buff_string.Contains("|"))
{
found = true;
}
ind++;
}
tmp = buff_string.Replace("\0", string.Empty);
substrings = tmp.Split(new string[] { "|" }, StringSplitOptions.None);
foreach (string i in substrings)
{
if (i != "")
{
int x = Int32.Parse(i);
if (x > max)
{
max = x;
maxStr = i;
}
}
}
//Scrittura sulla progress bar l'avanzamento del trasferimento
if (maxStr != maxStrPrec)
{
maxStrPrec = maxStr;
pbdr.Invoke(barraDelRic, new object[] { maxStr });
}
if (maxStr == "100")
{
break;
}
buff_string = "OK\0";
buffer = Encoding.UTF8.GetBytes(buff_string);
namedPipe.Write(buffer, 0, buffer.Length);
//-----------------------------------------------------
//-----------------------------------------------------
//-----------------------------------------------------
//ACK-A da TCP_Client e ACK-B a TCP_client
//-----------------------------------------------------
byte[] ackABuffer = new byte[2];
namedPipe.Read(ackABuffer, 0, 2);
buff_string = System.Text.Encoding.UTF8.GetString(ackABuffer);
if (buff_string.Contains("X"))
{
//Visual messaggio di comm killata
pbdr.BeginInvoke((Action) delegate
{
cr = new ConnectionRejected();
cr.Show();
});
break;
}
//-------------------
//-------------------
mtx.WaitOne();
if (pbdr.is_pipe_closed)
{
buffer = Encoding.UTF8.GetBytes("X\0");
try
{
namedPipe.Write(buffer, 0, buffer.Length);
}
catch (System.IO.IOException)
{
namedPipe.Connect();
namedPipe.Write(buffer, 0, buffer.Length);
}
namedPipe.Close();
pbdr.is_pipe_closed = false;
break;
}
else
{
buffer = Encoding.UTF8.GetBytes("K\0");
try
{
namedPipe.Write(buffer, 0, buffer.Length);
}
catch (System.IO.IOException)
{
namedPipe.Connect();
namedPipe.Write(buffer, 0, buffer.Length);
}
}
mtx.ReleaseMutex();
}
namedPipe.Close();
return;
}
