public void WriteToBuffer(ref ByteBuffer buffer)
{
ByteBuffer attrStart = buffer; // Make a copy that will retain the current position
STUNTypeLengthValue.WriteTypeLength(0, 0, ref buffer); // write temporal values
int length = 0;
if (null != usernameInBuffer.data)
{
length = usernameInBuffer.Length;
buffer.Put(usernameInBuffer);
}
else if (null != usernameInString)
{
length = Encoding.UTF8.GetBytes(usernameInString, 0, usernameInString.Length, buffer.data, buffer.absPosition);
}
if (length <= 512)
{
buffer.absPosition += length;
}
STUNTypeLengthValue.WriteTypeLength(TYPE, (ushort)length, ref attrStart); // Write definitive values
STUNTypeLengthValue.AddPadding(ref buffer);
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
ushort length = (ushort)(4 + (family == AddressFamily.IPv4 ? AddressLength.IPv4 : AddressLength.IPv6));
STUNTypeLengthValue.WriteTypeLength(TYPE, length, ref buffer);
ByteBuffer attr = new ByteBuffer(buffer.data, buffer.absPosition);
// 4 bytes
buffer.Put((byte)0);
buffer.Put((byte)family);
buffer.Put((ushort)port);
if (AddressFamily.IPv4 == family)
{
ipv4.Write(ref buffer);
}
else
{
ipv6.Write(ref buffer);
}
// XOR
attr[2] = (byte)(attr[2] ^ buffer[4]);
attr[3] = (byte)(attr[3] ^ buffer[5]);
for (int i = 4; i < length; i++)
{
attr[i] = (byte)(attr[i] ^ buffer[i]);
}
STUNTypeLengthValue.AddPadding(ref buffer);
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
STUNTypeLengthValue.WriteTypeLength(type, (ushort)data.Length, ref buffer);
if (data.HasData())
{
buffer.Put(data);
}
buffer.Pad4();
}
public STUNAttr(ref ByteBuffer buffer)
{
ushort attrLength;
isValid = STUNTypeLengthValue.ReadTypeLength(ref buffer, out type, out attrLength);
data = new ByteBuffer(buffer.data, buffer.absPosition, attrLength);
stunMessage = new ByteBuffer(buffer.data, buffer.absOffset, buffer.Length);
buffer.Position += attrLength;
buffer.Pad4();
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
int count = buffer.Position;
STUNTypeLengthValue.WriteTypeLength(TYPE, 4, ref buffer);
STUNMessageBuilder.UpdateHeaderAttributesLength(ref buffer, buffer.Position + 4);
crc = Crc32.CRC32.Calculate(buffer.data, buffer.absOffset, count) ^ FINGERPRINT_XOR;
buffer.Put(crc);
STUNTypeLengthValue.AddPadding(ref buffer);
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
int count = buffer.Position;
STUNTypeLengthValue.WriteTypeLength(TYPE, HMAC_LENGTH, ref buffer);
STUNMessageBuilder.UpdateHeaderAttributesLength(ref buffer, buffer.Position + HMAC_LENGTH);
hmacsha1Instance.ComputeHash(buffer.data, buffer.absOffset, count, buffer.data, buffer.absPosition);
buffer.Position += HMAC_LENGTH;
STUNTypeLengthValue.AddPadding(ref buffer);
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
int count = buffer.Position;
STUNTypeLengthValue.WriteTypeLength(TYPE, HMAC_LENGTH, ref buffer);
STUNMessageBuilder.UpdateHeaderAttributesLength(ref buffer, buffer.Position + HMAC_LENGTH);
HMAC_SHA1.ComputeHmacSha1(key, new ByteBuffer(buffer.data, buffer.absOffset, count), buffer.data, buffer.absPosition);
buffer.Position += HMAC_LENGTH;
buffer.Pad4();
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
ByteBuffer attrStart = buffer; // Make a copy that will retain the current position
STUNTypeLengthValue.WriteTypeLength(0, 0, ref buffer); // write temporal values
int length = Encoding.UTF8.GetBytes(software, 0, Math.Min(128, software.Length), buffer.data, buffer.absPosition);
buffer.absPosition += length;
STUNTypeLengthValue.WriteTypeLength(TYPE, (ushort)length, ref attrStart); // Write definitive values
STUNTypeLengthValue.AddPadding(ref buffer);
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
ushort length = (ushort)(4 + (family == AddressFamily.IPv4 ? AddressLength.IPv4 : AddressLength.IPv6));
STUNTypeLengthValue.WriteTypeLength(TYPE, length, ref buffer);
// 4 bytes
buffer.Put((byte)0);
buffer.Put((byte)family);
buffer.Put((ushort)port);
ip.Write(ref buffer);
buffer.Pad4();
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
ushort length = (ushort)(4 + (family == AddressFamily.IPv4 ? AddressLength.IPv4 : AddressLength.IPv6));
STUNTypeLengthValue.WriteTypeLength(TYPE, length, ref buffer);
// 4 bytes
buffer.Put((byte)0);
buffer.Put((byte)family);
buffer.Put((ushort)port);
if (AddressFamily.IPv4 == family)
{
ipv4.Write(ref buffer);
}
else
{
ipv6.Write(ref buffer);
}
STUNTypeLengthValue.AddPadding(ref buffer);
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
ByteBuffer attrStart = buffer; // Make a copy that will retain the current position
STUNTypeLengthValue.WriteTypeLength(0, 0, ref buffer); // write temporal values
int errorClass = code / 100;
int errorNumber = code % 100;
// 4 bytes
buffer.Put((byte)0);
buffer.Put((byte)0);
buffer.Put((byte)(errorClass & 0x7));
buffer.Put((byte)errorNumber);
int length = Encoding.UTF8.GetBytes(reason, 0, Math.Min(reason.Length, 128), buffer.data, buffer.absPosition);
buffer.Position += length;
STUNTypeLengthValue.WriteTypeLength(TYPE, (ushort)(4 + length), ref attrStart); // Write definitive values
buffer.Pad4();
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
STUNTypeLengthValue.WriteTypeLength(TYPE, 4, ref buffer);
buffer.Put(priority);
buffer.Pad4();
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
STUNTypeLengthValue.WriteTypeLength(TYPE, 0, ref buffer);
STUNTypeLengthValue.AddPadding(ref buffer);
}
public void WriteToBuffer(ref ByteBuffer buffer)
{
STUNTypeLengthValue.WriteTypeLength(TYPE, 8, ref buffer);
buffer.Put(tieBreaker);
buffer.Pad4();
}
