/// <summary>
///
/// </summary>
/// <param name="buffer"></param>
/// <param name="offset"></param>
/// <param name="length"></param>
protected override void OnBytesRead(byte[] buffer, int offset, int length)
{
for (var i = offset; i < offset + length; i++)
{
m_messageData.WriteByte(buffer[i]);
}
do
{
if (m_messageLength == -1 && m_messageData.Count > 3)
{
m_messageLength = m_messageData.ReadInt();
}
if (m_messageLength != -1 && m_messageId == -1 && m_messageData.Count > 3)
{
m_messageId = m_messageData.ReadInt();
}
if (m_messageLength != -1 && m_messageId != -1 && m_messageData.Count >= m_messageLength)
{
var message = MessageBuilder.BuildMessage(m_messageId, m_messageData.ReadBytes(m_messageLength));
OnMessageEvent?.Invoke(message);
m_messageId = -1;
m_messageLength = -1;
}
}while ((m_messageLength == -1 || m_messageId == -1) && m_messageData.Count > 3);
}
/// <summary>
///
/// </summary>
/// <param name="buffer"></param>
/// <param name="offset"></param>
/// <param name="length"></param>
/// <returns></returns>
public IEnumerable <AbstractRcpMessage> GetMessages(byte[] buffer, int offset, int length)
{
for (int i = offset; i < offset + length; i++)
{
m_messageData.WriteByte(buffer[i]);
}
do
{
if (m_messageLength == -1 && m_messageData.Count > 3)
{
m_messageLength = m_messageData.ReadInt();
}
if (m_messageLength != -1 && m_messageId == -1 && m_messageData.Count > 3)
{
m_messageId = m_messageData.ReadInt();
}
if (m_messageLength != -1 && m_messageId != -1 && m_messageData.Count >= m_messageLength)
{
yield return(MessageBuilder.BuildMessage(m_messageId, m_messageData.ReadBytes(m_messageLength)));
m_messageId = -1;
m_messageLength = -1;
}
}while ((m_messageLength == -1 || m_messageId == -1) && m_messageData.Count > 3);
}
/// <summary>
///
/// </summary>
/// <param name="buffer"></param>
/// <param name="offset"></param>
/// <param name="count"></param>
/// <returns></returns>
public IEnumerable <string> Receive(byte[] buffer, int offset, int count)
{
for (int i = offset; i < offset + count; i++)
{
if (buffer[i] == 0x00)
{
if (Environment.TickCount - LastPacketTime < 1000)
{
CumulatedPacketInOneSecond++;
if (CumulatedPacketInOneSecond > 25)
{
Logger.Warn("Client kicked due to packet spam : " + Ip);
Disconnect();
break;
}
}
else
{
CumulatedPacketInOneSecond = 1;
LastPacketTime = Environment.TickCount;
}
if (Cypher)
{
yield return(Crypt.UnprepareData(Encoding.UTF8.GetString(m_messageQueue.ReadBytes(m_messageQueue.Count))));
}
else
{
yield return(Encoding.UTF8.GetString(m_messageQueue.ReadBytes(m_messageQueue.Count)));
}
}
else
{
if (buffer[i] != '\n')
{
m_messageQueue.WriteByte(buffer[i]);
}
}
}
}