public void new_udp_client(string ip, int port, bool force_local_port, int local_port)
{
this.Text = "UDP Send to " + ip + ":" + port.ToString();
if (force_local_port)
{
try
{
this.Text += " local port:" + local_port.ToString();
clt = new easy_socket.udp.Socket_Data(local_port, ip, port);//error are not catch
}
catch (Exception e)
{
this.textBox_telnet_add(e.Message + "\r\n");
if (e is System.Net.Sockets.SocketException)
{
System.Net.Sockets.SocketException se = (System.Net.Sockets.SocketException)e;
if (se.ErrorCode == 10048)
{
if (!this.textBox_telnet.Text.EndsWith("\r\n"))
{
this.textBox_telnet_add("\r\n");
}
this.textBox_telnet_add("Please wait few seconds before retry.\r\n");
}
}
return;
}
}
else
{
clt = new easy_socket.udp.Socket_Data(ip, port);
}
clt.event_Socket_Data_Error += new easy_socket.udp.Socket_Data_Error_EventHandler(client_error);
}
private void client_error(easy_socket.udp.Socket_Data s, easy_socket.udp.EventArgs_Exception e)
{
if (!this.textBox_telnet.Text.EndsWith("\r\n"))
{
this.textBox_telnet_add("\r\n");
}
this.textBox_telnet_add("Error: " + e.exception.Message + "\r\n");
}
public void wake_on_lan(string mac_addr, string ip, int port)
{
mac_addr = mac_addr.Replace("-", "");
mac_addr = mac_addr.Replace(".", "");
mac_addr = mac_addr.Replace(":", "");
if (mac_addr.Length < 10)
{
System.Windows.Forms.MessageBox.Show("Error bad MAC address value", "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
return;
}
easy_socket.udp.Socket_Data s = new easy_socket.udp.Socket_Data(ip, port);
s.event_Socket_Data_Error += new easy_socket.udp.Socket_Data_Error_EventHandler(Socket_Data_Error_EventHandler);
s.event_Socket_Data_Send_Completed += new easy_socket.udp.Socket_Data_Send_Completed_EventHandler(Socket_Data_Send_Completed_EventHandler);
s.allow_broadcast = true;
/*
* AMD Publication# 20213
* If the IEEE address for a particular node on the network
* was 11h 22h 33h 44h 55h 66h, then the LAN controller
* would be scanning for the data sequence (assuming an
* Ethernet Frame):
* DESTINATION SOURCE MISC FF FF FF FF FF
* FF 11 22 33 44 55 66 11 22 33 44 55 66 11 22 33 44
* 55 66 11 22 33 44 55 66 11 22 33 44 55 66 11 22 33
* 44 55 66 11 22 33 44 55 66 11 22 33 44 55 66 11 22
* 33 44 55 66 11 22 33 44 55 66 11 22 33 44 55 66 11
* 22 33 44 55 66 11 22 33 44 55 66 11 22 33 44 55 66
* 11 22 33 44 55 66 11 22 33 44 55 66 MISC CRC
*/
byte[] bytes = new byte[6 + 6 * 16];
//first 6 bytes should be 0xff
for (int cpt = 0; cpt < 6; cpt++)
{
bytes[cpt] = 0xff;
}
//now repeate MAC 16 times
for (int cpt = 0; cpt < 16; cpt++)
{
for (int cpt2 = 0; cpt2 < 6; cpt2++)
{
bytes[6 + cpt * 6 + cpt2] = byte.Parse(mac_addr.Substring(2 * cpt2, 2),//mac address is at least 10 length see if (mac_addr.Length<10)
System.Globalization.NumberStyles.HexNumber);
}
}
s.send(bytes);
// wait for multiple handles (error and send completed)
System.Threading.WaitHandle[] waithandles = new System.Threading.WaitHandle[2];
waithandles[0] = evt_success;
waithandles[1] = evt_error;
System.Threading.WaitHandle.WaitAny(waithandles, 10000, true);
}
private void Socket_Data_Send_Completed_EventHandler(easy_socket.udp.Socket_Data sender, EventArgs e)
{
System.Windows.Forms.MessageBox.Show("WOL packet successfully sent", "Information", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Information);
this.evt_success.Set();
}
private void Socket_Data_Error_EventHandler(easy_socket.udp.Socket_Data sender, easy_socket.udp.EventArgs_Exception e)
{
System.Windows.Forms.MessageBox.Show("Error sending WOL packet:\r\n" + e.exception.Message, "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
this.evt_error.Set();
}