private void SaveFile(Entities.FileMessage msg)
{
SaveFileDialog dlg = new SaveFileDialog();
if (msg.FileMessageType == FileMessageType.Responese)
{
if (msg.FileStatus == FileStatus.NotStarted)
{
if (dlg.ShowDialog() == DialogResult.OK)
{
FileNameToSave = dlg.FileName + ".pdf";
FileManager mgr = new FileManager(FileNameToSave, msg);
mgr.Save();
//msg.Index++;
msg.IpAddress = com.GetMyIPAddress();
msg.FileStatus = FileStatus.Started;
msg.FileMessageType = FileMessageType.Request;
msg.IPLength = msg.IpAddress.Length;
com.Send(msg, new System.Net.IPEndPoint(IPAddress.Parse(msg.IpAddress), 8000));
}
}
else
{
FileManager mgr = new FileManager(FileNameToSave, msg);
mgr.Save();
msg.Index++;
msg.IpAddress = com.GetMyIPAddress();
msg.FileMessageType = FileMessageType.Request;
msg.IPLength = msg.IpAddress.Length;
if (msg.FileStatus == FileStatus.Started)
{
com.Send(msg, new System.Net.IPEndPoint(IPAddress.Parse(msg.IpAddress), 8000));
}
}
}
else if (msg.FileMessageType == FileMessageType.Request)
{
FileManager mgr = new FileManager(msg);
//byte[] data = mgr.GetBytes(msg.Index);
//msg.Data = new byte[data.Length];
//Array.Copy(data, 0, msg.Data, 0, data.Length);
//msg.IpAddress = com.GetMyIPAddress();
//msg.IPLength = msg.IpAddress.Length;
FileMessage fileMessage = mgr.GetMessage();
fileMessage.FileMessageType = FileMessageType.Responese;
fileMessage.IpAddress = com.GetMyIPAddress();
fileMessage.DataLength = fileMessage.Data.Length;
fileMessage.IPLength = fileMessage.IpAddress.Length;
fileMessage.FileName = msg.FileName;
fileMessage.FileNameLength = msg.FileNameLength;
fileMessage.FileStatus = msg.FileStatus;
fileMessage.Index = msg.Index;
fileMessage.Preamble = msg.Preamble;
com.Send(fileMessage, new System.Net.IPEndPoint(IPAddress.Parse(msg.IpAddress), 8000));
}
}
public static byte[] EncodeMessage(FileMessage msg)
{
byte[] preamble = Encoding.Default.GetBytes("BB");
byte[] index = BitConverter.GetBytes(msg.Index);
byte[] ipLength = BitConverter.GetBytes(msg.IPLength);
byte[] fileNameLength = BitConverter.GetBytes(msg.FileNameLength);
byte[] ipAddress = Encoding.Default.GetBytes(msg.IpAddress);
byte[] fileName = Encoding.Default.GetBytes(msg.FileName);
List <byte> frame = new List <byte>();
foreach (byte b in preamble)
{
frame.Add(b);
}
foreach (byte b in index)
{
frame.Add(b);
}
if (msg.FileMessageType == FileMessageType.Request)
{
frame.Add(0);
}
else
{
frame.Add(1);
}
frame.Add((byte)msg.FileStatus);
foreach (byte b in ipLength)
{
frame.Add(b);
}
foreach (byte b in fileNameLength)
{
frame.Add(b);
}
foreach (byte b in ipAddress)
{
frame.Add(b);
}
foreach (byte b in fileName)
{
frame.Add(b);
}
foreach (byte b in msg.Data)
{
frame.Add(b);
}
int length = msg.Data.Length;
byte[] frameLength = BitConverter.GetBytes(length);
for (int i = 0; i < frameLength.Length; i++)
{
frame.Insert(i + 2, frameLength[i]);
}
return(frame.ToArray());
}
public FileManager(string _fileName, FileMessage _msg)
{
msg = _msg;
fileName = _fileName;
}
public FileManager(FileMessage _msg)
{
msg = _msg;
fileName = _msg.FileName;
}
