public Sending_Data fromBytes(byte[] arr)
{
Sending_Data str = new Sending_Data();
byte[] bytenum = new byte[4];
for (int i = 0; i < 4; i++)
{
bytenum[i] = arr[i];
}
str.nType = BitConverter.ToInt32(bytenum, 0);
for (int i = 0; i < 4; i++)
{
bytenum[i] = arr[i + 4];
}
str.nLen = BitConverter.ToInt32(bytenum, 0);
if (arr.Length < 8)
{
str.nLen = 0;
}
bytenum = new byte[str.nLen];
for (int i = 0; i < str.nLen; i++)
{
bytenum[i] = arr[i + 8];
}
str.bArr = bytenum;
return(str);
}
public void DoWork() // Receiving Operation
{
byte[] data = new byte[1024 * 1000];
while (true)
{
try
{
NetworkStream networkStream = clientSocket.GetStream();
int len = networkStream.Read(data, 0, clientSocket.ReceiveBufferSize);
if (len <= 0)
{
continue;
}
m_sendingData = fromBytes(data);
if (m_sendingData.nType == LOGIN_STATUS)
{
LoginStatus(m_sendingData);
}
else if (m_sendingData.nType == SCREEN_REQUEST)
{
SendScreenImage(m_sendingData, networkStream);
}
// networkStream.Flush();
}
catch (Exception ee)
{
ShowStatus(ee.Message);
return;
}
}
}
public byte[] getBytes(Sending_Data data)
{
List <byte> list = new List <byte>(data.bArr.Length + 8);
list.AddRange(BitConverter.GetBytes(data.nType));
list.AddRange(BitConverter.GetBytes(data.nLen));
list.AddRange(data.bArr);
return(list.ToArray());
}
public void LoginStatus(Sending_Data m_sendingData)
{
if (lbl_Status.InvokeRequired)
{
var d = new DelegateLoginStatus(LoginStatus);
lbl_Status.Invoke(d, new object[] { m_sendingData });
}
else
{
if (m_sendingData.nLen == LOGIN_SUCCESS) // success
{
IS_LOGIN = true;
lbl_Status.Text = "Login Successed !";
}
else
{
IS_LOGIN = false;
lbl_Status.Text = "Login Failed !";
}
}
}
public void SendScreenImage(Sending_Data m_sendingData, NetworkStream networkStream)
{
while (IS_LOGIN)
{
Bitmap bitmap = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
Graphics g = Graphics.FromImage(bitmap);
g.CopyFromScreen(0, 0, 0, 0, bitmap.Size);
MemoryStream ms = new MemoryStream();
bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
m_sendingData.nType = SCREEN_DATA;
m_sendingData.nLen = (int)ms.Length;
m_sendingData.bArr = ms.ToArray();
networkStream.Write(getBytes(m_sendingData), 0, (int)ms.Length + 8);
Thread.Sleep(100);
// ms.Flush();
// networkStream.Flush();
}
}