public static byte[] GetPacketBuffer(BaseSocketConnection connection, byte[] buffer, ref int bufferSize)
{
byte[] result = null;
buffer = CryptUtils.EncryptData(connection, buffer);
switch (connection.DelimiterType)
{
case DelimiterType.dtNone:
//----- No Delimiter!
bufferSize = buffer.Length;
result = connection.BaseHost.BufferManager.TakeBuffer(bufferSize);
Buffer.BlockCopy(buffer, 0, result, 0, buffer.Length);
break;
case DelimiterType.dtMessageTailExcludeOnReceive:
case DelimiterType.dtMessageTailIncludeOnReceive:
if (connection.Delimiter?.Length > 0)
{
//----- Need delimiter!
bufferSize = buffer.Length + connection.Delimiter.Length;
result = connection.BaseHost.BufferManager.TakeBuffer(bufferSize);
Buffer.BlockCopy(buffer, 0, result, 0, buffer.Length);
Buffer.BlockCopy(connection.Delimiter, 0, result, buffer.Length, connection.Delimiter.Length);
}
else
{
bufferSize = buffer.Length;
result = connection.BaseHost.BufferManager.TakeBuffer(bufferSize);
Buffer.BlockCopy(buffer, 0, result, 0, buffer.Length);
}
break;
}
return(result);
}
/// <summary>
/// Gets a packet message!
/// </summary>
/// <param name="connection">
/// Socket connection.
/// </param>
/// <param name="buffer">
/// Data.
/// </param>
public static MessageBuffer GetPacketMessage(BaseSocketConnection connection, byte[] buffer)
{
byte[] workBuffer = null;
MessageBuffer messageBuffer = null;
workBuffer = CryptUtils.EncryptData(connection, buffer);
switch (connection.DelimiterType)
{
case DelimiterType.dtNone:
//----- No Delimiter!
messageBuffer = new MessageBuffer(buffer, workBuffer);
break;
case DelimiterType.dtPacketHeader:
if (connection.Delimiter != null && connection.Delimiter.Length >= 0)
{
//----- Need delimiter!
int delimiterSize = connection.Delimiter.Length + 3;
byte[] result = new byte[workBuffer.Length + delimiterSize];
int messageLength = result.Length;
//----- Delimiter!
for (int i = 0; i < connection.Delimiter.Length; i++)
{
result[i] = connection.Delimiter[i];
}
//----- Length!
result[connection.Delimiter.Length] = Convert.ToByte((messageLength & 0xFF0000) >> 16);
result[connection.Delimiter.Length + 1] = Convert.ToByte((messageLength & 0xFF00) >> 8);
result[connection.Delimiter.Length + 2] = Convert.ToByte(messageLength & 0xFF);
Buffer.BlockCopy(workBuffer, 0, result, delimiterSize, workBuffer.Length);
messageBuffer = new MessageBuffer(buffer, result);
}
break;
case DelimiterType.dtMessageTailExcludeOnReceive:
case DelimiterType.dtMessageTailIncludeOnReceive:
if (connection.Delimiter != null && connection.Delimiter.Length >= 0)
{
//----- Need delimiter!
byte[] result = new byte[workBuffer.Length + connection.Delimiter.Length];
Buffer.BlockCopy(workBuffer, 0, result, 0, workBuffer.Length);
Buffer.BlockCopy(connection.Delimiter, 0, result, workBuffer.Length, connection.Delimiter.Length);
messageBuffer = new MessageBuffer(buffer, result);
}
break;
}
return(messageBuffer);
}