public async Task ReceivePackets(Socket conn, byte[] buffer)
{
Array.Clear(buffer, 0, buffer.Length);
string data = null;
await conn.ReceiveAsync(buffer, SocketFlags.None);
Regex findfilestart = new Regex(@"<(.*?)>");
data = Encoding.ASCII.GetString(buffer).Replace("\0", "");
var totallength = 0;
string filetype = null;
string filename = null;
string encoding = null;
long filesize = 0;
Encoding newencoding = null;
if (data.StartsWith("type<"))
{
MatchCollection fileinfo = findfilestart.Matches(data);
totallength += fileinfo[0].Groups[1].Value.Length;
totallength += fileinfo[1].Groups[1].Value.Length;
totallength += fileinfo[2].Groups[1].Value.Length;
totallength += fileinfo[3].Groups[1].Value.Length;
filetype = fileinfo[0].Groups[1].Value;
filename = fileinfo[1].Groups[1].Value;
encoding = fileinfo[2].Groups[1].Value;
long.TryParse(fileinfo[3].Groups[1].Value, out filesize);
if (encoding == "UTF7")
{
newencoding = Encoding.UTF7;
}
else if (encoding == "UTF8")
{
newencoding = Encoding.UTF8;
}
else if (encoding == "UTF32")
{
newencoding = Encoding.UTF32;
}
else if (encoding == "Unicode")
{
newencoding = Encoding.Unicode;
}
else if (encoding == "BigEndianUnicode")
{
newencoding = Encoding.BigEndianUnicode;
}
else if (encoding == "UTF32BE")
{
newencoding = new UTF32Encoding(true, true);
}
else
{
newencoding = Encoding.ASCII;
}
// Console.WriteLine(filesize);
/*
* Console.WriteLine("\nFILETYPE : " + filetype);
* Console.WriteLine("FILENAME : " + filename);
* Console.WriteLine("FILESIZE : " + filesize);
*/
}
if (data == "command not recognized!")
{
color.colored_print("\n" + data + "\n", "Red", "Black", true, false);
}
else
{
if (filesize > 0)
{
Array.Clear(buffer, 0, totallength);
FileStream newfile = File.Create(filename);
BinaryWriter newStreamWriter = new BinaryWriter(newfile);
Console.WriteLine(buffer[0]);
long bytesRead = 0;
data = newencoding.GetString(buffer);
newStreamWriter.Write(data);
bytesRead += buffer.Length;
data = "";
while (bytesRead < filesize)
{
await conn.ReceiveAsync(buffer, SocketFlags.None);
data = newencoding.GetString(buffer);
// Console.Write(data);
newStreamWriter.Write(data);
Console.WriteLine("BEFORE :: " + bytesRead);
bytesRead += data.Length;
Console.WriteLine("AFTER :: " + bytesRead);
Array.Clear(buffer, 0, buffer.Length);
}
newStreamWriter.Close();
newfile.Close();
}
else
{
Array.Clear(buffer, 0, buffer.Length);
while (true)
{
while (conn.Available > 0)
{
await conn.ReceiveAsync(buffer, SocketFlags.None);
data += Encoding.ASCII.GetString(buffer).Replace("\0", "");
Array.Clear(buffer, 0, buffer.Length);
}
break;
}
color.colored_print("\n" + data + "\n", "Green", "Black", true, false);
}
//color.colored_print("\n" + $"LENGTH : {data.Length} -- " + data + "\n\n", "Green", "Black", true);
}
Array.Clear(buffer, 0, buffer.Length);
}