private static void cnt_elem_refr(GlobalTypes.HostInfo host_inf,
GlobalTypes.SysMessageStruct msg,
GlobalTypes.ClientInfo item,
bool flag)
{
if ((Encoding.UTF8.GetString(msg.Msg) == "SYN") && (msg.Flag == 2))
{
if (!flag)
{
item = new GlobalTypes.ClientInfo(host_inf);
lock (MainWindow.Client_Catalog)
{
MainWindow.Client_Catalog.Add(item);
}
RCScreenClient.paint_thmb_scr(item);
}
else
{
lock (MainWindow.Client_Catalog)
{
item.HostInfo = host_inf;
item.LastConnection = DateTime.Now;
}
}
lock (XPorter.Bus.Main_Handle.TreeUngroup)
{
XPorter.Bus.Main_Handle.TreeUngroup.Dispatcher.BeginInvoke(new MethodInvoker(delegate()
{
System.Windows.Controls.ContextMenu item_menu = ReinCorpDesign.sources.UserContextMenu.get_contx_menu(item);
if (XPorter.Bus.Main_Handle.TreeUngroup.IsExpanded == false)
{
XPorter.Bus.Main_Handle.TreeUngroup.IsExpanded = true;
}
TreeViewItem tr_item = new TreeViewItem();
tr_item.ContextMenu = item_menu;
tr_item.Header = item.HostInfo.Addr.ToString();
tr_item.Tag = "3";
XPorter.Bus.Main_Handle.TreeUngroup.Items.Add(tr_item);
}));
}
Thread thr_tmp = new Thread(RCScreenClient.get_query);
Object[] args = new Object[2];
args[0] = item;
args[1] = new GlobalTypes.ServiceMessageStruct("GET", 0);
thr_tmp.Name = "get_query";
thr_tmp.SetApartmentState(ApartmentState.STA);
//thr_tmp.Start(args);
}
}
//function which send msg by TCP protocol to all users
public static void send_to_all_sys_msg(GlobalTypes.SysMessageStruct msg)
{
if (!Threads_Already_Started) //if user push multiconnect a couple of time
{
MainWindow.thr_killer(RCScreenClient.thr_Get_Img_From_UDP);
foreach (var item in MainWindow.Client_Catalog)
{
TcpClient client = get_tcp(item.HostInfo.Addr, GlobalTypes.Settings.TCPPort);
if (client != null)
{
send_to <GlobalTypes.SysMessageStruct>(client.GetStream(), msg); //analyze msg for further actions
client.Close();
}
}
}
}
//create connection between two point
public static TcpClient cnt_estblsh(TcpClient tcp_client)
{
tcp_client.Client.ReceiveTimeout = 5000;
tcp_client.Client.SendTimeout = 5000;
try
{
GlobalTypes.SysMessageStruct msg = new GlobalTypes.SysMessageStruct();
NetworkStream net_stream = tcp_client.GetStream();
send_to <GlobalTypes.SysMessageStruct>(net_stream, new GlobalTypes.SysMessageStruct("CNT", 0));
msg = receive_from <GlobalTypes.SysMessageStruct>(net_stream);
if ((Encoding.UTF8.GetString(msg.Msg) == "PAS") && (msg.Flag == 0))
{
send_to <GlobalTypes.SysMessageStruct>(net_stream, new GlobalTypes.SysMessageStruct("PAS", 1, GlobalTypes.Settings.Password));
msg = receive_from <GlobalTypes.SysMessageStruct>(net_stream);
if ((Encoding.UTF8.GetString(msg.Msg) == "SYN"))
{
switch (msg.Flag)
{
case 1:
return(tcp_client);
break;
case 100:
MessageBox.Show(DateTime.Now.ToString() + " IPAddress:" +
((IPEndPoint)tcp_client.Client.RemoteEndPoint).Address.ToString() + " - Wrong Password"
);
return(null);
//Сюда создать логи
break;
default:
return(null);
break;
}
}
}
}
catch (SocketException ex) { /*MessageBox.Show(ex.ToString()); */ }
catch (Exception ex) { /*MessageBox.Show(ex.ToString());*/ }
return(null);
}
//analyze msg for futher action
public static void sys_msg_analyzer(TcpClient tcp_client, GlobalTypes.ClientInfo item, GlobalTypes.SysMessageStruct main_msg)
{
try {
NetworkStream net_stream = tcp_client.GetStream();
send_to <GlobalTypes.SysMessageStruct>(net_stream, main_msg);
switch (Encoding.UTF8.GetString(main_msg.Msg))
{
#region Screen
case "SCR": {
switch (main_msg.Flag)
{
case 0: {
tcp_client.Client.ReceiveTimeout = 5000;
GlobalTypes.SysMessageStruct host_inf = receive_from <GlobalTypes.SysMessageStruct>(net_stream);
GlobalTypes.SysMessageStruct msg = receive_from <GlobalTypes.SysMessageStruct>(net_stream);
if ((host_inf != null) && (msg != null))
{
cnt_elem_refr(new GlobalTypes.HostInfo(
((IPEndPoint)tcp_client.Client.RemoteEndPoint).Address,
host_inf.Info), msg, item, item != null);
}
else
{
MessageBox.Show("Не удалось установить соединение"); //Дописать в лог
}
} break;
case 11: {
}
break;
default: {
if ((main_msg.Flag > 0) && (main_msg.Flag < 11))
{
}
} break;
}
} break;
#endregion
}
}
catch (Exception ex) { MessageBox.Show("Lost Connection"); }
}
public static int port_dealer(IPAddress address, GlobalTypes.SysMessageStruct msg, int start_port)
{
List <int> busy_ports = get_busy_port();
byte counter = 0;
int port = 0;
while (counter < 10)
{
try
{
TcpClient connection = get_tcp(address, GlobalTypes.Settings.TCPPort);
NetworkStream ns = connection.GetStream();
while ((busy_ports.IndexOf(start_port + counter) > -1) || (Opened_Ports.IndexOf(start_port + counter)) > -1)
{
start_port++;
}
msg.Info = Encoding.UTF8.GetBytes((start_port + counter).ToString());
send_to <GlobalTypes.SysMessageStruct>(ns, msg);
GlobalTypes.SysMessageStruct referer = receive_from <GlobalTypes.SysMessageStruct>(ns);
if ((Encoding.UTF8.GetString(referer.Msg).Equals("SYN")) && (referer.Flag == 3))
{
port = start_port + counter;
return(port);
}
if ((Encoding.UTF8.GetString(referer.Msg).Equals("ERR")) && (referer.Flag == 102))
{
counter++;
}
else
{
counter++;
}
connection.Client.Shutdown(SocketShutdown.Both);
connection.Close();
}
catch (SocketException ex) { counter++; break; }
catch (Exception ex) { counter++; break; }
}
return(port);
}
