private void connect_Click(object sender, EventArgs e)
{
TreelistView.Node node = hosts.SelectedNode;
if (node == null)
{
return;
}
if (node.Tag is RemoteConnect)
{
ConnectToApp(node);
}
else if (node.Tag is RemoteHost)
{
RemoteHost host = node.Tag as RemoteHost;
if (host.ServerRunning)
{
DialogResult res = MessageBox.Show(String.Format("Are you sure you wish to shut down running remote server on {0}?", host.Hostname),
"Remote server shutdown", MessageBoxButtons.YesNoCancel);
if (res == DialogResult.Cancel || res == DialogResult.No)
{
return;
}
// shut down
try
{
RemoteServer server = StaticExports.CreateRemoteServer(host.Hostname, 0);
server.ShutdownServerAndConnection();
hosts.BeginUpdate();
SetRemoteServerLive(node, false, false);
hosts.EndUpdate();
}
catch (Exception)
{
MessageBox.Show("Error shutting down remote server", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
updateConnectButton();
}
else
{
// try to run
refreshOne.Enabled = refreshAll.Enabled = false;
Thread th = Helpers.NewThread(new ParameterizedThreadStart(RunRemoteServer));
th.Start(node);
UpdateLookupsStatus();
}
}
}
public void ConnectToRemoteServer(RemoteHost host)
{
InitException = null;
try
{
m_Remote = StaticExports.CreateRemoteServer(host.Hostname, 0);
m_RemoteHost = host;
m_RemoteHost.Connected = true;
}
catch (ReplayCreateException ex)
{
InitException = ex;
}
}
public void CheckStatus()
{
// special case - this is the local context
if (Hostname == "localhost")
{
ServerRunning = false;
VersionMismatch = Busy = false;
return;
}
try
{
RemoteServer server = StaticExports.CreateRemoteServer(Hostname, 0);
ServerRunning = true;
VersionMismatch = Busy = false;
server.ShutdownConnection();
// since we can only have one active client at once on a remote server, we need
// to avoid DDOS'ing by doing multiple CheckStatus() one after the other so fast
// that the active client can't be properly shut down. Sleeping here for a short
// time gives that breathing room.
// Not the most elegant solution, but it is simple
Thread.Sleep(15);
}
catch (ReplayCreateException ex)
{
if (ex.Status == ReplayCreateStatus.NetworkRemoteBusy)
{
ServerRunning = true;
Busy = true;
}
else if (ex.Status == ReplayCreateStatus.NetworkVersionMismatch)
{
ServerRunning = true;
Busy = true;
VersionMismatch = true;
}
else
{
ServerRunning = false;
Busy = false;
}
}
}
