public IEnumerable<Connection> GetConnections(XDocument settingsDocument)
{
var xmlConnections = settingsDocument.Descendants("Connection").Where(c => c.Element("Name") != null);
var connections = new List<Connection>();
foreach (var connectionElement in xmlConnections)
{
var connection = new Connection
{
Name = GetSafeElementValue(connectionElement, "Name"),
UserName = GetSafeElementValue(connectionElement, "UserName"),
Password = GetSafeElementValue(connectionElement, "Password"),
Domain = GetSafeElementValue(connectionElement, "Domain")
};
var xmlRoutes = connectionElement.Element("Routes");
if (xmlRoutes != null)
{
connection.Routes =
xmlRoutes.Elements("Route").Select(
e => new Route
{
NetAddress = GetSafeElementValue(e, "NetAddress"),
Mask = GetSafeElementValue(e, "Mask")
});
}
connections.Add(connection);
}
return connections;
}
public bool Connect(Connection connection)
{
try
{
if (!CheckConnection(connection))
{
var arguments = new StringBuilder();
arguments.AppendFormat("{0} {1} {2}", connection.Name, connection.UserName,
connection.Password);
if (!string.IsNullOrWhiteSpace(connection.Domain))
{
arguments.AppendFormat(" /DOMAIN:{0}", connection.Domain);
}
ExecuteProcessSync("rasdial.exe", arguments.ToString());
}
var netif = NetworkInterface.GetAllNetworkInterfaces().SingleOrDefault(n => n.Name == connection.Name);
if (netif != null)
{
IPInterfaceProperties properties = netif.GetIPProperties();
var ipAddress = properties.UnicastAddresses.First().Address;
foreach (var route in connection.Routes)
{
string routeArgs = string.Format("add {0} mask {1} {2}", route.NetAddress, route.Mask, ipAddress);
ExecuteProcessSync("route.exe", routeArgs);
}
ExecuteProcessSync("net.exe", "stop dnscache");
ExecuteProcessSync("net.exe", "start dnscache");
}
else
{
Logger.Error(string.Format("Connection '{0}' failed to connect", connection.Name));
return false;
}
}
catch (Exception ex)
{
Logger.ErrorException(string.Format("Connection '{0}' failed to connect", connection.Name), ex);
return false;
}
Logger.Info(string.Format("Connection '{0}' connected successfully", connection.Name));
return true;
}
public bool Disconnect(Connection connection)
{
try
{
var arguments = string.Format("{0} /DISCONNECT", connection.Name);
ExecuteProcessSync("rasdial.exe", arguments);
Logger.Info(string.Format("Connection '{0}' disconnected successfully", connection.Name));
return true;
}
catch (Exception ex)
{
Logger.ErrorException(string.Format("Connection '{0}' failed to disconnect successfully", connection.Name), ex);
return false;
}
}
private MenuItem GetMenuItemForConnection(Connection connection)
{
var menuItem = new MenuItem
{
Name = connection.Name,
Text = connection.Name
};
menuItem.Popup += MenuItemPopup;
var connectMenuItem = new MenuItem(MenuItems.Connect) { Name = ConnectItemName };
connectMenuItem.Click += ConnectMenuItemClick;
var disconnectMenuItem = new MenuItem(MenuItems.Disconnect) { Name = DisconnectItemName };
disconnectMenuItem.Click += DisconnectMenuItemClick;
menuItem.MenuItems.Add(connectMenuItem);
menuItem.MenuItems.Add(disconnectMenuItem);
return menuItem;
}
public bool CheckConnection(Connection connection)
{
if (connection == null)
{
throw new ArgumentNullException();
}
var connectedNetIf = NetworkInterface.GetAllNetworkInterfaces().SingleOrDefault(n => n.Name == connection.Name);
return connectedNetIf != null;
}
