private byte[] ReadMessageWithMessageTail(byte[] connectionDelimiter, CallbackData callbackData, ref bool socketWasRead)
{
string stringDelimiter = Encoding.GetEncoding(1252).GetString(connectionDelimiter);
byte[] rawBuffer = null;
BaseSocketConnection connection = callbackData.Connection;
MessageBuffer readMessage = callbackData.Buffer;
//----- Message with delimiter!
int delimiterSize = connectionDelimiter.Length;
bool readPacket = false;
bool readSocket = false;
do
{
rawBuffer = null;
if (readMessage.PacketOffSet > delimiterSize)
{
int index = Encoding.GetEncoding(1252).GetString(readMessage.PacketBuffer).IndexOf(stringDelimiter);
if (index >= 0)
{
rawBuffer = readMessage.GetRawBufferWithTail(connection, index, delimiterSize);
//----- Decrypt!
rawBuffer = CryptUtils.DecryptData(connection, rawBuffer, FMessageBufferSize);
if (readMessage.PacketOffSet == 0)
{
readPacket = false;
readSocket = false;
}
else
{
readPacket = true;
readSocket = false;
FireOnReceived(connection, rawBuffer, false);
}
}
else
{
readPacket = false;
readSocket = true;
}
}
else
{
readPacket = false;
readSocket = (readMessage.PacketOffSet > 0);
}
} while (readPacket);
//----- Adjust room for more!
readMessage.Resize(FMessageBufferSize);
if (readSocket)
{
if (connection.Active)
{
//----- Read More!
if (connection.Stream != null)
{
//----- Ssl!
connection.Stream.BeginRead(readMessage.PacketBuffer, readMessage.PacketOffSet, readMessage.PacketRemaining, new AsyncCallback(BeginReadCallback), callbackData);
}
else
{
//----- Socket!
connection.Socket.BeginReceive(readMessage.PacketBuffer, readMessage.PacketOffSet, readMessage.PacketRemaining, SocketFlags.None, new AsyncCallback(BeginReadCallback), callbackData);
}
}
}
socketWasRead = readSocket;
return(rawBuffer);
}
private byte[] ReadMessageWithPacketHeader(byte[] connectionDelimiter, CallbackData callbackData, ref bool socketWasRead)
{
byte[] rawBuffer = null;
BaseSocketConnection connection = callbackData.Connection;
MessageBuffer readMessage = callbackData.Buffer;
//----- Message with delimiter!
int delimiterSize = connectionDelimiter.Length + 3;
bool readPacket = false;
bool readSocket = false;
do
{
rawBuffer = null;
if (readMessage.PacketOffSet > delimiterSize)
{
//----- Has Delimiter!
for (int i = 0; i < connectionDelimiter.Length; i++)
{
if (connectionDelimiter[i] != readMessage.PacketBuffer[i])
{
//----- Bad Delimiter!
throw new BadDelimiterException("Message delimiter is different from Host delimiter.");
}
}
//----- Get Length!
int messageLength = (readMessage.PacketBuffer[connectionDelimiter.Length] << 16)
+ (readMessage.PacketBuffer[connectionDelimiter.Length + 1] << 8)
+ (readMessage.PacketBuffer[connectionDelimiter.Length + 2]);
if (messageLength > FMessageBufferSize)
{
throw new MessageLengthException("Message length is greater than Host maximum message length.");
}
//----- Check Length!
if (messageLength == readMessage.PacketOffSet)
{
//----- Equal -> Get rawBuffer!
rawBuffer = readMessage.GetRawBuffer(messageLength, delimiterSize);
//----- Decrypt!
rawBuffer = CryptUtils.DecryptData(connection, rawBuffer, FMessageBufferSize);
readPacket = false;
readSocket = false;
}
else
{
if (messageLength < readMessage.PacketOffSet)
{
//----- Less -> Get rawBuffer and fire event!
rawBuffer = readMessage.GetRawBuffer(messageLength, delimiterSize);
//----- Decrypt!
rawBuffer = CryptUtils.DecryptData(connection, rawBuffer, FMessageBufferSize);
readPacket = true;
readSocket = false;
FireOnReceived(connection, rawBuffer, false);
}
else
{
if (messageLength > readMessage.PacketOffSet)
{
//----- Greater -> Read Socket!
if (messageLength > readMessage.PacketLength)
{
readMessage.Resize(messageLength);
}
readPacket = false;
readSocket = true;
}
}
}
}
else
{
if (readMessage.PacketRemaining < delimiterSize)
{
//----- Adjust room for more!
readMessage.Resize(readMessage.PacketLength + delimiterSize);
}
readPacket = false;
readSocket = true;
}
} while (readPacket);
if (readSocket)
{
if (connection.Active)
{
//----- Read More!
if (connection.Stream != null)
{
//----- Ssl!
connection.Stream.BeginRead(readMessage.PacketBuffer, readMessage.PacketOffSet, readMessage.PacketRemaining, new AsyncCallback(BeginReadCallback), callbackData);
}
else
{
//----- Socket!
connection.Socket.BeginReceive(readMessage.PacketBuffer, readMessage.PacketOffSet, readMessage.PacketRemaining, SocketFlags.None, new AsyncCallback(BeginReadCallback), callbackData);
}
}
}
socketWasRead = readSocket;
return(rawBuffer);
}