public void SetChecksum(ref byte[] packet)
{
RPH rph = RPH.Deserialize(packet);
var md5 = MD5.Create();
rph._checksum = BitConverter.ToInt32(md5.ComputeHash(packet), 0);
byte[] newHead = rph.Serialize();
Array.Copy(newHead, packet, newHead.Length);
}
public bool IsCorrupt(RPH rph)
{
int checksum = rph._checksum;
rph._checksum = 0;
byte[] packet = rph.Serialize();
var md5 = MD5.Create();
int calcChecksum = BitConverter.ToInt32(md5.ComputeHash(packet), 0);
return(checksum != calcChecksum);
}
public void SendSyn(int filelength, string fileEnding)
{
// Establish the connection
RPH syn = RPH.CreateSynPacket(filelength, fileEnding);
byte[] dgram = syn.Serialize();
SetChecksum(ref dgram);
try
{
_sendingSocket?.SendTo(dgram, _endPoint);
}
catch (SocketException e)
{
Console.WriteLine(e.ToString());
_tries++;
if (_tries > MaxConTries)
{
return;
}
SendSyn(filelength, fileEnding);
_tries = 0;
}
}
public bool IsCorrupt(RPH rph)
{
int checksum = rph._checksum;
rph._checksum = 0;
byte[] packet = rph.Serialize();
var md5 = MD5.Create();
int calcChecksum = BitConverter.ToInt32(md5.ComputeHash(packet), 0);
return checksum != calcChecksum;
}
