/// <summary>
/// Attempts to read a whole message from fromstream
/// </summary>
/// <param name="fromstream"></param>
/// <returns></returns>
public static void ReadStreamToMessageStream(MemoryBuffer fromstream, out ChatMessage message)
{
message = null;
//check that we have at least 4 bytes in the buffer, it contains the length of the message
if (fromstream.Length > 4)
{
byte[] lenbuf = new byte[4];
var peeklen = fromstream.Peek(lenbuf, 0, lenbuf.Length);
if (peeklen == 4)
{
//check that we have the whole message in the buffer
var messagelength = BitConverter.ToInt32(lenbuf, 0);
if (fromstream.Length >= messagelength + 4)
{
var messagebuffer = new byte[messagelength];
//clear the length from the buffer
fromstream.Read(lenbuf, 0, lenbuf.Length);
//read the message from the buffer
fromstream.Read(messagebuffer, 0, messagelength);
var messagestream = new MemoryStream(messagebuffer, 0, messagelength);
message = DecodeMessage(messagestream);
}
}
}
}
/// <summary>
/// Attempt to send a message to the client if its still connected.
/// </summary>
public static void SendChatMessage(TcpClient client, Stream clientStream, string message)
{
ChatMessage chatmessage = new ChatMessage { Message = message };
var messagestream = Common.GetStreamFromMessage(chatmessage);
if (client.Connected)
{
var clientstream = clientStream;
byte[] messagebuffer = messagestream.ToArray();
clientstream.Write(messagebuffer, 0, messagebuffer.Length);
}
}
