private bool AcessFileSafe(file_desc file)
{
int result = 0;
DialogResult dialogResult = DialogResult.None;
if (InvokeRequired)
{
this.BeginInvoke(new Action <file_desc>((s) =>
{
dialogResult = MessageBox.Show("Хотите принять файл " +
s.file_name + ", размером " + s.file_size.ToString() + " байт ?", "Проверка", MessageBoxButtons.YesNo);
}), file);
}
while (dialogResult == System.Windows.Forms.DialogResult.None)
{
}
if (dialogResult == DialogResult.Yes)
{
return(true);
}
else if (dialogResult == DialogResult.No)
{
return(false);
}
return(false);
}
// Приём файла
private void recieveThread_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
TcpListener Listener = new TcpListener(5678);
string filename;
Listener.Start();
Socket ReceiveSocket;
int progress = 0;
while (send_allow)
{
try
{
ReceiveSocket = Listener.AcceptSocket();
System.Windows.Forms.SaveFileDialog savedial = new SaveFileDialog();
//if (System.Windows.Forms.DialogResult.OK == savedial.ShowDialog())
// {
filename = "C:/test.txt";//savedial.FileName;
//}
Byte[] Receive = new Byte[256];
//using (MemoryStream MessageR = new MemoryStream())
{
//Количество считанных байт
Int32 ReceivedBytes;
Int32 Firest256Bytes = 0;
String FilePath = "";
Int64 filesize = 0;
Int64 all_size = -1;
FileStream fl = null;
String resFilePath = "";
Stopwatch stopWatch = new Stopwatch();
Stopwatch stopWatch2 = new Stopwatch();
string speed = "0";
int speed_last = 0;
int count = 0;
do
{//Собственно читаем
if (count == 0)
{
stopWatch.Restart();
}
ReceivedBytes = ReceiveSocket.Receive(Receive, Receive.Length, 0);
all_size += ReceivedBytes;
//Разбираем первые 256 байт
if (Firest256Bytes < 256)
{
Firest256Bytes += ReceivedBytes;
Byte[] ToStr = Receive;
all_size -= 256;
//Накапливаем имя файла
FilePath += Encoding.Default.GetString(ToStr);
resFilePath = FilePath.Substring(0, FilePath.IndexOf('\0'));
fl = new FileStream(resFilePath, FileMode.Create);
}
else
if (Firest256Bytes < 512)
{
all_size -= 256;
Firest256Bytes += ReceivedBytes;
Byte[] ToStr = Receive;
string str_size = "";
str_size += Encoding.Default.GetString(ToStr);
String res_size = str_size.Substring(0, str_size.IndexOf('\0'));
filesize = Convert.ToInt64(res_size);
all_size = 0;
file_desc f = new file_desc(resFilePath, filesize);
byte[] mess = new byte[1];
if (!AcessFileSafe(f))
{
toLogSafe(login + " | Приём файла " + resFilePath + " | Передача отклонена");
mess[0] = 0;
ReceiveSocket.Send(mess);
return;
}
else
{
mess[0] = 1;
ReceiveSocket.Send(mess);
stopWatch.Start();
stopWatch2.Start();
}
}
else
{
count++;
if (count == 100)
{
TimeSpan ts = stopWatch.Elapsed;
int progres = (int)(all_size / (filesize / 100));
int speed_cur = Convert.ToInt32((25600 * 1000 / 1024) / ts.TotalMilliseconds);
TimeSpan ts2 = stopWatch2.Elapsed;
if (ts2.Seconds > 1)
{
stopWatch2.Restart();
speed = Convert.ToString(speed_cur);
speed_last = speed_cur;
}
recieveThread.ReportProgress(progres, speed);
count = 0;
}
//и записываем в поток
fl.Write(Receive, 0, ReceivedBytes);
}
//Читаем до тех пор, пока в очереди не останется данных
} while (all_size != filesize && !sendThread.CancellationPending);
if (recieveThread.CancellationPending)
{
ReceiveSocket.Close();
recieveThread.ReportProgress(0, "0");
toLogSafe(login + " | Приём файла " + resFilePath + " | Передача отменена");
}
else
{
ReceiveSocket.Close();
toLogSafe(login + " | Приём файла " + resFilePath + " | завершен от " + another_login);
}
}
}
catch (System.Exception er)
{
toLogSafe("Ошибка : " + er.Message);
}
}
}
