/// <summary>
/// Constructor</summary>
/// <param name="target">The target.</param>
/// <param name="defaultPortNumber">Default port number</param>
/// <param name="canEditPortNumber">True iff can edit port number</param>
/// <param name="protocols">List of supported protocols</param>
public TargetEditDialog( Target target, int defaultPortNumber, bool canEditPortNumber, string[] protocols )
{
InitializeComponent();
if (protocols != null && protocols.Length > 0)
cmbProtocol.DataSource = protocols;
else
cmbProtocol.Enabled = false;
if (target != null)
{
Text = "Edit Target".Localize();
txtName.Text = target.Name;
txtHost.Text = target.Host;
txtPort.Text = target.Port.ToString();
txtPort.ReadOnly = !canEditPortNumber;
if(cmbProtocol.Enabled)
cmbProtocol.SelectedItem = target.Protocol;
m_target = target;
}
else
{
Text = "Add Target".Localize();
if (defaultPortNumber > 0)
{
txtPort.Text = defaultPortNumber.ToString();
txtPort.ReadOnly = !canEditPortNumber;
}
if (cmbProtocol.Enabled)
cmbProtocol.SelectedIndex = 0;
}
}
/// <summary>
/// Creates a client TCP socket using an already connected socket with a default
/// maximum message size</summary>
/// <param name="s">An already connected socket</param>
public TargetTcpSocket(Socket s)
: this(5000)
{
if (s == null)
throw new ArgumentNullException();
m_theSocket = s;
if (!IsConnected)
throw new Exception("only accept connected socket");
IPEndPoint endpt = (IPEndPoint)s.RemoteEndPoint;
m_curTarget = new Target("client", endpt.Address.ToString(), endpt.Port);
m_curTarget.IsConnected = true;
}
/// <summary>
/// Adds a new target. If the target already exists, an exception is thrown.</summary>
/// <param name="name">Name of the target machine</param>
/// <param name="host">Host name or IP address</param>
/// <param name="port">Port number</param>
public void AddTarget(string name, string host, int port)
{
if (StringUtil.IsNullOrEmptyOrWhitespace(name) || StringUtil.IsNullOrEmptyOrWhitespace(host))
throw new ArgumentNullException();
if (port < IPEndPoint.MinPort || port > IPEndPoint.MaxPort)
throw new ArgumentOutOfRangeException();
if (m_targets.ContainsKey(name))
throw new Exception(name + " already exist");
Target t = new Target(name.Trim(), host.Trim(), port);
m_targets.Add(t.Name, t);
}
/// <summary>
/// Creates a new object that is a copy of the current instance</summary>
/// <returns>New object that is a copy of the current instance</returns>
public object Clone()
{
Target t = new Target(m_name, m_host,m_port);
t.m_connected = m_connected;
t.m_selected = m_selected;
t.m_tag = m_tag;
t.m_protocol = m_protocol;
return t;
}
private bool ValidateAndFillInData()
{
string strName = txtName.Text.Trim();
string strHost = txtHost.Text.Trim();
string strPort = txtPort.Text;
int port = 0;
if (StringUtil.IsNullOrEmptyOrWhitespace(strName))
{
MessageBox.Show(this, "Fill target name".Localize());
txtName.Focus();
return false;
}
if (StringUtil.IsNullOrEmptyOrWhitespace(strHost))
{
MessageBox.Show(this, "Fill host name".Localize());
txtHost.Focus();
return false;
}
// validate port number
try
{
port = int.Parse(strPort);
if (port < IPEndPoint.MinPort || port > IPEndPoint.MaxPort)
throw new Exception();
}
catch
{
MessageBox.Show(this,
string.Format("Invalid port number".Localize(),
IPEndPoint.MinPort, IPEndPoint.MaxPort));
return false;
}
if (m_target == null)
{
m_target = new Target(strName, strHost, port);
m_changed = true;
}
else
{
if (m_target.Name != strName
|| m_target.Host != strHost
|| m_target.Port != port)
{
m_target.Set(strName, strHost, port);
m_changed = true;
}
}
if (cmbProtocol.Enabled)
{
m_target.Protocol = (string)cmbProtocol.SelectedItem;
m_changed = true;
}
return true;
}
private void m_btnCancel_Click(object sender, EventArgs e)
{
m_target = null;
}
private void OnConnect(Target trg)
{
ConnectHandler handler = Connected;
m_curTarget = trg;
m_curTarget.IsConnected = true;
if (handler != null)
{
m_cctx.Send(delegate
{
handler(this, trg);
}, null);
}
}
/// <summary>
/// Connects using IPEndPoint</summary>
/// <param name="target">Target</param>
public void Connect(Target target)
{
lock (m_syncSocket)
{
if (m_ConnectionInProgress)
return;
}
if (IsConnected)
return;
lock (m_syncSocket)
{
if (m_theSocket != null)
{
m_theSocket.Close();
m_theSocket = null;
m_curTarget = null;
}
}
// try to connect;
try
{
lock (m_syncSocket)
{
IPAddress ipaddr = target.IPAddress;
m_theSocket = new Socket(ipaddr.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
m_theSocket.Blocking = true;
m_theSocket.SendTimeout = 5000;
//m_theSocket.ExclusiveAddressUse = true;
m_theSocket.BeginConnect(ipaddr,target.Port, m_connectClb,target);
m_ConnectionInProgress = true;
}
}
catch (Exception ex)
{
lock (m_syncSocket)
{
if (m_theSocket != null)
{
m_theSocket.Close();
m_theSocket = null;
m_curTarget = null;
}
}
OnUnHandledException(ex);
}
}
private ListViewItem CreateListViewItem(Target target)
{
ListViewItem item = new ListViewItem(target.ToString());
item.Name = target.Name;
item.Tag = target;
item.Checked = target.Selected;
return item;
}
