/// <summary>
/// Send a sequence of byte to server.
/// </summary>
/// <param name="buffer"> byte array to send. </param>
/// <returns> boolean to check if success. </returns>
public bool SendPacket(byte[] buffer)
{
if (mSocket == null || !mSocket.Connected)
{
Debug.Log("Must be connected to Send a message");
return(false);
}
if (buffer == null)
{
return(false);
}
byte[] encryptedBuffer = (byte[])JCS_CodecFactory.GetInstance().GetEncoder().Encode(buffer);
try
{
mSocket.BeginSend(
encryptedBuffer,
0,
encryptedBuffer.Length,
0,
new AsyncCallback(OnSendData),
mSocket);
}
catch (Exception ex)
{
Debug.Log("Send Message Failed!: " + ex.Message);
return(false);
}
return(true);
}
public static JCS_CodecFactory GetInstance()
{
// singleton.
if (instance == null)
{
instance = new JCS_CodecFactory();
}
return(instance);
}
/// <summary>
/// Get the new data and send it out to all other connections.
/// Note: If not data was recieved the connection has probably
/// died.
/// </summary>
/// <param name="ar"></param>
public void OnReceiveData(IAsyncResult ar)
{
// Socket was the passed in object
Socket sock = (Socket)ar.AsyncState;
// Check if we got any data
try
{
int nBytesRec = sock.EndReceive(ar);
if (nBytesRec > 0)
{
// Set decode Charset!
byte[] buffer = GetBytesFromInputBuffer(0, nBytesRec);
// send buffer to decoder and get the decrypted packet
byte[] decryptedBuffer = (byte[])JCS_CodecFactory.GetInstance().GetDecoder().Decode(buffer);
// invoke data to handler.
if (mClientHandler != null)
{
mClientHandler.MessageReceived(decryptedBuffer);
}
// WARNING : The following line is NOT thread safe. Invoke is
//m_lbRecievedData.Items.Add( sRecieved );
//Invoke(m_AddMessage, new string[] { sRecieved });
// If the connection is still usable restablish the callback
SetupRecieveCallback(sock);
}
else
{
// If no data was recieved then the connection is probably dead
Console.WriteLine("Client {0}, disconnected", sock.RemoteEndPoint);
sock.Shutdown(SocketShutdown.Both);
sock.Close();
}
}
catch (Exception ex)
{
Debug.LogError("Unusual error druing Recieve!: " + ex.Message);
if (!SocketConnected(mSocket))
{
mSocket.Close();
JCS_NetworkManager.SERVER_CLOSE = true;
}
}
}
/// <summary>
/// Callback when the data has sent.
/// </summary>
/// <param name="ar"></param>
public void OnSendData(IAsyncResult ar)
{
// Socket was the passed in object
Socket sock = (Socket)ar.AsyncState;
try
{
// Complete sending the data to the remote device.
int bytesSent = sock.EndSend(ar);
if (bytesSent > 0)
{
// Set decode Charset!
byte[] buffer = GetBytesFromOutputBuffer(0, bytesSent);
// send buffer to decoder and get the decrypted packet
byte[] encryptedBuffer = (byte[])JCS_CodecFactory.GetInstance().GetEncoder().Encode(buffer);
// invoke data to handler.
if (mClientHandler != null)
{
mClientHandler.MessageSent(encryptedBuffer);
}
}
else
{
// If no data was recieved then the connection is probably dead
Console.WriteLine("Client {0}, disconnected", sock.RemoteEndPoint);
sock.Shutdown(SocketShutdown.Both);
sock.Close();
}
}
catch (Exception ex)
{
Debug.LogError("Unusual error druing Send!: " + ex.Message);
if (!SocketConnected(mSocket))
{
mSocket.Close();
JCS_NetworkManager.SERVER_CLOSE = true;
}
}
}
/// <summary>
/// When receive the data.
/// </summary>
/// <param name="ar"></param>
private void OnReceiveData(IAsyncResult ar)
{
// Socket was the passed in object
Socket sock = (Socket)ar.AsyncState;
try
{
// Read data from the remote device.
int bytesRead = sock.EndReceive(ar);
if (bytesRead > 0)
{
byte[] buffer = GetBytesFromInputBuffer(0, bytesRead);
// send buffer to decoder and get the decrypted packet
byte[] decryptedBuffer = (byte[])JCS_CodecFactory.GetInstance().GetDecoder().Decode(buffer);
// invoke data to handler.
if (mClientHandler != null)
{
mClientHandler.MessageReceived(decryptedBuffer);
}
}
else
{
// ..
Debug.Log("Receive buffer that length is lower than 0.");
}
}
catch (Exception ex)
{
// If no data was recieved then the connection is probably dead
Debug.LogError("Server OnReceive failed: " + ex.Message);
Close();
}
SetupRecieveCallback(sock);
}
