private void SendRecord(byte contentType, byte[] buf, int off, int len)
{
if (mWriteVersion != null)
{
if (len > mPlaintextLimit)
{
throw new TlsFatalAlert(80);
}
if (len < 1 && contentType != 23)
{
throw new TlsFatalAlert(80);
}
int epoch = mWriteEpoch.Epoch;
long num = mWriteEpoch.AllocateSequenceNumber();
byte[] array = mWriteEpoch.Cipher.EncodePlaintext(GetMacSequenceNumber(epoch, num), contentType, buf, off, len);
byte[] array2 = new byte[array.Length + 13];
TlsUtilities.WriteUint8(contentType, array2, 0);
ProtocolVersion version = mWriteVersion;
TlsUtilities.WriteVersion(version, array2, 1);
TlsUtilities.WriteUint16(epoch, array2, 3);
TlsUtilities.WriteUint48(num, array2, 5);
TlsUtilities.WriteUint16(array.Length, array2, 11);
global::System.Array.Copy((global::System.Array)array, 0, (global::System.Array)array2, 13, array.Length);
mTransport.Send(array2, 0, array2.Length);
}
}
public virtual void Send(byte[] buf, int off, int len)
{
if (LostPacket(percentPacketLossSending))
{
Console.WriteLine("PACKET LOSS (" + len + " byte packet not sent)");
}
else
{
transport.Send(buf, off, len);
}
}
private static void SendDatagram(DatagramTransport sender, byte[] buf, int off, int len)
{
//try
//{
// sender.Send(buf, off, len);
//}
//catch (InterruptedIOException e)
//{
// e.bytesTransferred = 0;
// throw e;
//}
sender.Send(buf, off, len);
}
protected void send(Chunk[] c)
{
if ((c != null) && (c.Length > 0))
{
ByteBuffer obb = mkPkt(c);
Logger.Trace("sending SCTP packet" + Packet.getHex(obb));
lock (this) {
_transp.Send(obb.Data, obb.offset, obb.Limit);
}
}
else
{
Logger.Trace("Blocked empty packet send() - probably no response needed.");
}
}
protected void send(Chunk[] c)
{
if ((c != null) && (c.Length > 0))
{
ByteBuffer obb = mkPkt(c);
//logger.LogDebug($"SCTP packet send: {Packet.getHex(obb)}");
lock (this)
{
_transp.Send(obb.Data, obb.offset, obb.Limit);
}
}
//else
//{
// logger.LogDebug("Blocked empty packet send() - probably no response needed.");
//}
}
private void SendRecord(byte contentType, byte[] buf, int off, int len)
{
// Never send anything until a valid ClientHello has been received
if (mWriteVersion == null)
{
return;
}
if (len > this.mPlaintextLimit)
{
throw new TlsFatalAlert(AlertDescription.internal_error);
}
/*
* RFC 5246 6.2.1 Implementations MUST NOT send zero-length fragments of Handshake, Alert,
* or ChangeCipherSpec content types.
*/
if (len < 1 && contentType != ContentType.application_data)
{
throw new TlsFatalAlert(AlertDescription.internal_error);
}
int recordEpoch = mWriteEpoch.Epoch;
long recordSequenceNumber = mWriteEpoch.AllocateSequenceNumber();
BufferSegment ciphertext = mWriteEpoch.Cipher.EncodePlaintext(
GetMacSequenceNumber(recordEpoch, recordSequenceNumber), contentType, buf, off, len);
// TODO Check the ciphertext length?
byte[] record = new byte[ciphertext.Count + RECORD_HEADER_LENGTH];
TlsUtilities.WriteUint8(contentType, record, 0);
ProtocolVersion version = mWriteVersion;
TlsUtilities.WriteVersion(version, record, 1);
TlsUtilities.WriteUint16(recordEpoch, record, 3);
TlsUtilities.WriteUint48(recordSequenceNumber, record, 5);
TlsUtilities.WriteUint16(ciphertext.Count, record, 11);
Array.Copy(ciphertext.Data, ciphertext.Offset, record, RECORD_HEADER_LENGTH, ciphertext.Count);
mTransport.Send(record, 0, record.Length);
BufferPool.Release(ciphertext);
}
private void SendRecord(byte contentType, byte[] buf, int off, int len)
{
if (len > this.mPlaintextLimit)
{
throw new TlsFatalAlert(AlertDescription.internal_error);
}
/*
* RFC 5264 6.2.1 Implementations MUST NOT send zero-length fragments of Handshake, Alert,
* or ChangeCipherSpec content types.
*/
if (len < 1 && contentType != ContentType.application_data)
{
throw new TlsFatalAlert(AlertDescription.internal_error);
}
int recordEpoch = mWriteEpoch.Epoch;
long recordSequenceNumber = mWriteEpoch.AllocateSequenceNumber();
byte[] ciphertext = mWriteEpoch.Cipher.EncodePlaintext(
GetMacSequenceNumber(recordEpoch, recordSequenceNumber), contentType, buf, off, len);
// TODO Check the ciphertext length?
byte[] record = new byte[ciphertext.Length + RECORD_HEADER_LENGTH];
TlsUtilities.WriteUint8(contentType, record, 0);
ProtocolVersion version = mDiscoveredPeerVersion != null ? mDiscoveredPeerVersion : mContext.ClientVersion;
TlsUtilities.WriteVersion(version, record, 1);
TlsUtilities.WriteUint16(recordEpoch, record, 3);
TlsUtilities.WriteUint48(recordSequenceNumber, record, 5);
TlsUtilities.WriteUint16(ciphertext.Length, record, 11);
Array.Copy(ciphertext, 0, record, RECORD_HEADER_LENGTH, ciphertext.Length);
mTransport.Send(record, 0, record.Length);
}
public static Task SendAsync(this DatagramTransport transport, byte[] buf, int off, int len)
{
return(Task.Run(() => transport.Send(buf, off, len)));
}
public virtual void Send(byte[] buf, int off, int len)
{
DumpDatagram("Sending", buf, off, len);
transport.Send(buf, off, len);
}